1 2001-06-12 Richard Henderson <rth@redhat.com>
3 * dwarf2asm.c (size_of_encoded_value): New function.
4 * dwarf2asm.h: Declare it.
5 * except.c (output_function_exception_table): Align the TType
6 array only as wide as the encoding.
8 2001-05-12 Zack Weinberg <zackw@stanford.edu>
10 * extend.texi: Document #pragma GCC java_exceptions.
12 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
14 * c-parse.in (bison parser, init_reswords): Remove uses of
16 * c-tree.h (doing_objc_thang): Remove.
18 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
20 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
21 about files not ending in newlines.
23 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
25 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
27 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
29 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
30 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
32 2001-05-11 Richard Henderson <rth@redhat.com>
34 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
35 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
36 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
37 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
38 (dw2_output_indirect_constants): Prototype.
39 * dwarf2out.c (dwarf2out_begin_prologue): Generate
40 current_function_func_begin_label if we'll need it for EH. Exit
41 early for IA64_UNWIND_INFO.
42 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
43 (eh_data_format_name): Update for indirect references.
44 (output_function_exception_table): Care for IA64_UNWIND_INFO.
45 Handle ASM_PREFERRED_EH_DATA_FORMAT.
46 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
47 define HAVE_eh_return etc.
48 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
49 (final_end_function): Don't call output_function_exception_table.
50 * toplev.c (compile_file): Call dw2_output_indirect_constants.
51 (rest_of_compilation): Invoke output_function_exception_table
52 for ia64 before assemble_end_function.
53 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
54 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
56 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
57 * unwind.h: Declare them.
58 * libgcc-std.ver: Export them.
59 * unwind-pe.h: New file.
61 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
63 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
65 (find_fde_for_dso): Extract DT_PLTGOT.
66 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
67 the segment and gp as well.
68 * config/ia64/frame-ia64.c: Remove file.
69 * config/ia64/frame-ia64.h: Remove file.
70 * config/ia64/unwind-ia64.c: New file.
71 * config/ia64/unwind-ia64.h: New file.
72 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
73 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
74 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
75 (ASM_PREFERRED_EH_DATA_FORMAT): New.
76 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
77 (IA64_UNWIND_INFO): Re-enable.
78 (HANDLER_SECTION): Remove.
79 (EH_RETURN_DATA_REGNO): New.
80 * config/ia64/ia64.md (exception_receiver): Remove.
81 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
82 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
84 2001-05-11 Richard Henderson <rth@redhat.com>
86 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
87 calls and jumps to be bundled together.
88 (ia64_reorg): Emit a break after a noreturn call that ends
90 * config/ia64/ia64.md (break_f): New.
92 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
94 * c-lex.c (lex_charconst): Convert into a simple wrapper
95 around cpp_interpret_charconst, to which most of the code
97 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
98 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
99 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
100 (lex): Use cpp_interpret_charconst.
101 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
102 hex_digit_value): New functions.
103 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
104 * cpplib.h (cpp_interpret_charconst): New prototype.
105 * Makefile.in: Update.
107 2001-05-12 Dean Wakerley <dean@wakerley.com>
109 * doc/install.texi: New file. Converted to texinfo from the HTML
110 documentation in wwwdocs/htdocs/install.
112 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
114 * gcse.c (insert_insn_end_bb): Do not search for assignments to
115 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
117 * toplev.c (compile_file): Move comment for opening output
118 file to just before the code that opens the output file.
120 2001-05-11 Jakub Jelinek <jakub@redhat.com>
122 * regmove.c (regmove_optimize): Suppress the optimization for
123 unchanging destination register. Add comment above function.
125 2001-05-11 Zack Weinberg <zackw@stanford.edu>
127 * Makefile.in: Exterminate all references to assert.h.
128 * cross-make: Likewise.
130 * configure.in: Correct commentary.
131 * configure: Regenerate.
133 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
136 * config/t-freebsd, config/t-linux, config/t-linux-aout,
137 config/t-netbsd, config/t-rtems, config/x-linux,
138 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
139 No need to override INSTALL_ASSERT_H.
141 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
142 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
143 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
145 2001-05-11 Graham Stott <grahams@redhat.com>
147 * combine.c (simplify_comparison): Fix typo.
149 2001-05-11 Mark Mitchell <mark@codesourcery.com>
151 * loop.h (struct movables): Remove `num'.
152 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
153 Adjust call to strength_reduce.
154 (num_unmoved_movables): New function.
155 (move_movables): Don't set movables->num.
156 (strength_reduce): Compute the number of instructions in the loop
157 here, rather than in the caller.
158 (check_dbra_loop): Always clear reversible_mem_store if there
160 (loop_regs_scan): Don't count instructions here.
161 (count_insn_in_loop): New function.
163 2001-05-11 Mark Mitchell <mark@codesourcery.com>
165 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
167 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
169 * c-common.c (finish_label_expr): New function, lifted from
171 * c-common.h (finish_label_expr, lookup_label): New prototypes.
172 * c-parse.in: Move 3 blocks of parser code into new functions.
173 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
174 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
175 (lookup_label): Remove.
177 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
179 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
180 FLOAT_BIT_ORDER_MISMATCH.
182 2001-05-10 David Edelsohn <edelsohn@gnu.org>
184 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
185 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
187 2001-05-10 David Edelsohn <edelsohn@gnu.org>
189 * expr.c (emit_group_load): extract_bit_field requires a REG or
192 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
194 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
195 a computed jump into an unconditional jump.
196 In second hunk of code for collapsing computed and conditional jumps
197 into unconditional jumps, reemit the jump in additional cases.
199 * jump.c (jump_optimize_1): Do not wrap the new jump target
200 inside a LABEL_REF; gen_jump will do that automatically.
202 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
204 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
205 contents for a SYMBOL_REF in case of floating point constants.
207 2001-05-10 DJ Delorie <dj@redhat.com>
209 * c-common.c (combine_strings): Widen strings in a
210 host-endian-independent way.
212 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
214 * c-parse.in: Remove many shift/reduce conflicts. Update
216 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
217 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
218 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
219 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
220 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
221 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
222 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
223 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
224 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
225 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
226 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
227 typespec_reserved_nonattr, typespec_reserved_attr,
228 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
229 structsp_nonattr, components_notype, component_notype_declarator,
230 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
231 firstparm, setspecs_fp): New
232 (typed_declspecs, reserved_declspecs, typed_typespecs,
233 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
234 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
235 declmods_no_prefix_attr, nonempty_type_quals, structsp,
236 type_quals): Remove. Users updated.
237 (initdecls, notype_initdecls, after_type_declarator,
238 parm_declarator, notype_declarator, absdcl1, components, ivars):
239 Don't allow attributes at the start of a declarator; include them
240 in the production containing the declarator instead. Always
241 require type specifiers before trying to redeclare a typedef name.
242 (typename): Allow for attributes but warn that they are ignored.
243 (parmlist, firstparm, setspecs_fp): Include attributes in
244 parmlist; suck them off the parser stack in firstparm using
247 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
249 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
250 to determine if a block has an unconditional jump at its end.
252 * jump.c (jump_optimize_1): When converting a conditional jump
253 to an unconditional jump, build the jump using gen_jump instead
254 of just modify operands in-place.
256 2001-05-09 Zack Weinberg <zackw@stanford.edu>
258 * cppinit.c (cpp_post_options): Shut off macro expansion if
260 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
261 IN_I directives only if the # is in column 1 and the directive
262 name begins in column 2.
263 * cppmain.c (scan_buffer): Insert a space between # and an
264 identifier, when that identifier is a directive name.
266 * tradcpp.c (struct file_buf): Add a pointer to the next entry
267 in the header search path.
268 (enum node_type): Add T_INCLUDE_NEXT.
269 (directive_table): Add entry for include_next.
270 (do_include_next): New function.
271 (process_include): New routine, broken out of do_include.
272 (finclude): Insert 'nhd' argument, to be copied into
273 next_header_dir of the new buffer.
274 (main): Adjust to match.
275 * gsyslimits.h, limity.h: Un-indent #include_next.
277 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
279 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
280 inclusion as a chapter of the GCC manual.
281 * gcc.texi: Include objc.texi.
282 * fdl.texi: Use @unnumberedsec for the addendum.
283 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
285 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
287 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
289 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
291 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
292 handling of two-address insns.
294 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
296 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
297 ../binutils/nm-new instead of ../binutils/nm.
299 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
301 * i386.md (movdi splitter): Fix the splitting condition
302 (float_extenddftf splitter): Fix mode.
304 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
306 * genrecog.c (write_switch): Avoid outputting of switch for
307 types wider than int.
309 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
311 * reload1.c (copy_eh_notes): New function.
312 (emit_input_reload_insns): Call it.
313 (emit_output_reload_insns): Call it.
315 2001-05-07 Zack Weinberg <zackw@stanford.edu>
317 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
319 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
320 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
322 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
324 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
326 * pa.md (interspace_jump): Revise comment.
327 (builtin_longjmp): Block initial setup insns from delay slot of
329 (builtin_setjmp_receiver): New expander to save and restore PIC
332 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
334 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
336 * toplev.c (compile_file): Set up the output file before we call
337 the various initializers for the compiler.
339 * except.c (sjlj_mark_call_sites): Do not search for assignments to
340 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
342 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
343 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
345 2001-05-06 Zack Weinberg <zackw@stanford.edu>
347 * Makefile.in (tradcpp0): Correct typo in dependency list.
349 2001-05-06 Geoff Keating <geoffk@redhat.com>
351 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
352 the link register if we're not going to use it.
354 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
355 (output_function_profiler): Likewise.
357 2001-05-07 Alan Modra <amodra@one.net.au>
359 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
361 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
363 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
364 zero-extend it. Make abs_inc unsigned.
366 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
367 widest mode in narrowing and widening operations.
369 * config/mips/mips.md: Sign extend CONST_INTs.
371 2001-05-06 Andreas Jaeger <aj@suse.de>
373 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
374 (i386 Options): Document -momit-leaf-frame-pointer.
376 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
378 * c-typeck.c (internal_build_compound_expr): Check for
379 array to pointer conversion just once.
381 2001-05-05 Richard Henderson <rth@redhat.com>
383 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
385 2001-05-05 Richard Henderson <rth@redhat.com>
387 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
388 to the parent of the fixup region.
390 2001-05-05 Jakub Jelinek <jakub@redhat.com>
392 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
394 * cpp.texi (__NO_INLINE): Document it.
396 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
398 * cppfiles.c (struct include_file): New member err_no.
399 (find_or_create_entry): Set it.
400 (open_file): Don't set fds to -2. Instead, use err_no to
401 remember previous errors, if any.
403 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
405 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
406 between X and Y by using sequences of xgdx and xgdy.
408 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
410 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
411 of '!' for the 'D' alternative ('!' is too strong).
412 ("*logicalsi3_silshl16"): Likewise.
413 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
414 ("movstrictsi"): Remove spurious '+'.
415 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
416 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
417 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
420 2001-05-04 David Edelsohn <edelsohn@gnu.org>
422 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
424 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
426 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
429 2000-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
431 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
434 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
436 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
437 soft register, use ror instead of rol.
439 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
441 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
442 into account pre/post increment decrement for 68HC12.
443 Fix other problems in replacement and fix call to reg_mentioned_p.
445 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
447 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
448 Put the soft registers in bss for 68HC12.
449 (L_regs_d3_4): New for _.d3 and _.d4.
450 (L_regs_d5_6): Likewise.
451 (L_regs_d1_2): Likewise.
452 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
454 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
456 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
457 to the pre-processor when -fshort-double is specified.
458 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
460 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
462 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
463 (__mulsi3): Rewrite for 68HC12.
464 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
465 Mark 'x' constraint with earlyclobber to prevent a
466 RELOAD_FOR_OTHER_ADDRESS to go in it.
467 (mulhi3_m68hc12): New pattern.
468 (mulhi3_m68hc11): Rename of mulhi3.
469 (mulhi3): New expand for 68HC12 optimisation.
470 (umulhisi3, mulhisi3): New patterns for 68HC12.
472 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
474 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
475 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
476 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
478 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
480 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
481 constants cheap after reload.
482 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
484 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
485 so that gcc prefers a shift by 16.
486 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
488 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
490 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
492 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
494 * alpha.h: NULL_PTR -> NULL.
504 * m68hc11.h: Likewise.
505 * rs6000.h: Likewise.
516 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
518 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
519 `bool' parameter to `int'.
521 * hash.c (hash_lookup): Likewise.
523 * hash.h (hash_lookup): Likewise.
525 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
527 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
529 * i386.c (x86_initialize_trampoline): Fix mode of constant.
531 2001-05-03 Geoff Keating <geoffk@redhat.com>
533 * invoke.texi (i386 Options): Delete references to -malign-jumps,
534 -malign-loops, -malign-functions.
535 * i386.c (ix86_align_funcs): Delete.
536 (ix86_align_loops): Delete.
537 (ix86_align_jumps): Delete.
538 (override_options): Mark -malign-* as obsolete. Emulate their
539 behaviour with the -falign-* options. Default -falign-* from
541 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
542 patch of Wed May 2 13:09:36 2001.
543 (LOOP_ALIGN): Delete.
544 (LOOP_ALIGN_MAX_SKIP): Delete.
545 (LABEL_ALIGN_AFTER_BARRIER): Delete.
546 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
548 2001-05-04 Andreas Jaeger <aj@suse.de>
550 * except.h: Add prototype declaration for
551 expand_builtin_init_dwarf_reg_sizes.
553 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
555 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
557 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
559 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
561 ("bitcmpqi2"): New pattern for bit-extract and test.
562 ("bitcmphi"): New pattern for bitb/bita instructions.
564 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
566 * gccbug.in: Use a temporary directory when the mktemp command is
569 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
571 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
573 (INITIALIZE_TRAMPOLINE): Call it.
574 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
575 (TRAMPOLINE_TEMPLATE): Remove.
576 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
577 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
580 2001-05-03 David O'Brien <obrien@FreeBSD.org>
582 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
583 and crtendS.o with PIC.
585 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
587 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
589 (___subdi3, ___adddi3): Use x instead of y as index register.
590 (__init_bss_section, __map_data_section): Optimize for 68HC12.
591 (__memset, __memcpy): Likewise.
592 (regs): Put the soft registers in bss for 68HC12.
593 (abort): Use trap to abort for 68hc12.
594 (__mulhi3, __mulhi32): Use emul for 68hc12.
595 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
597 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
599 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
600 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
601 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
602 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
603 Set 68HC12 min offset to -65536.
604 (print_operand): Put parenthesis arround the operand if it refers
605 to a symbol having the same name as a register.
606 (m68hc11_z_replacement): When z register is replaced by its
607 equivalent soft register, force the insn to be re-recognized.
608 (m68hc11_check_z_replacement): Fix the test when destination is
609 the index register and z dies in the insn.
610 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
612 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
614 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
615 costs according to processor variant.
616 (m68hc11_shift_cost): New function to compute shift costs.
617 (m68hc11_rtx_costs): Define costs according to processor variant.
618 (m6811_cost): Costs for 68HC11.
619 (m6812_cost): Costs for 68HC12.
620 (COSTS_N_INSNS): Remove.
622 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
623 (DEFAULT_RTX_COSTS): Remove.
624 (CONST_COSTS): Define costs according to OUTER_CODE.
625 (processor_costs): New struct to define costs.
626 (m68hc11_cost): Pointer to current costs.
628 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
630 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
631 and use m68hc11_notice_keep_cc when using leax/leay.
632 (addhi3 split): Reject split if the insn is handled by
634 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
635 push must be handled in a special way if the source operand uses
636 sp as index register.
637 (m68hc11_notice_keep_cc): New function.
638 (m68hc11_gen_movhi): Use it when an insn changes a register but
640 (m68hc11_gen_movqi): Fix move for 68HC12.
641 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
643 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
645 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
646 and don't pass operands[0] to emit_library_call_value.
648 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
650 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
651 (zero_extendsi split): Simplify and use (zero_extendhi).
652 (*addhi3): Remove 'w' constraint since stack pointer is handled
654 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
655 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
656 (*ashrhi3_const): Fix shift by 7.
657 (*lshrsi3_const16): Fix template.
658 (call, call_value): Fix constraint and predicate.
660 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
662 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
663 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
664 (CC_REGNUM): Likewise.
665 (*unnamed splits): Use above constants instead of hard coded numbers.
666 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
667 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
668 (*return_16bit, *unnamed peepholes): Likewise.
670 2001-05-03 David O'Brien <obrien@FreeBSD.org>
672 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
673 rs6000/rs6000.h twice.
675 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
677 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
678 (CPP_SPEC): Conditionally define MSDOS and GO32.
679 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
680 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
682 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
684 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
686 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
688 2001-05-03 Mark Mitchell <mark@codesourcery.com>
690 * integrate.h (struct inline_remap): Add leaf_reg_map table.
691 * integrate.c (expand_inline_function): Use xcalloc to allocate
693 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
696 2001-05-03 Mark Mitchell <mark@codesourcery.com>
698 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
701 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
703 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
704 linker if -mrelax is given.
705 (TARGET_SWITCHES): Document -mrelax.
707 Re-installed 2001-01-09's patch:
708 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
709 if it's wider than long and the target's long is wider than the
712 2001-05-02 David O'Brien <obrien@FreeBSD.org>
714 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
715 directly include rs6000/rs6000.h. Instead do it in tm.h.
717 2001-05-02 Stan Shebs <shebs@apple.com>
719 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
720 NSConstantString for NeXT-style runtimes.
721 (STRING_OBJECT_GLOBAL_NAME): New macro.
722 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
723 OCTI_STRING_CLASS_DECL.
724 (constant_string_global_id): New macro.
725 (string_class_decl): Ditto.
726 (setup_string_decl): New function.
727 (build_objc_string_object): Use it to build a NeXT runtime
728 compatible string initializer.
730 2001-05-02 Jakub Jelinek <jakub@redhat.com>
732 * tradcpp.c (do_define): Make sure we don't walk past limit.
734 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
736 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
737 offsets if not REG_OK_STRICT.
739 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
740 (INT_REG_OK_FOR_INDEX_P): Likewise.
741 (INT_REG_OK_FOR_BASE_P): Likewise.
742 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
743 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
744 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
745 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
746 REG_OK_FOR_BASE_P. Take an additional parameter.
747 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
748 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
749 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
750 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
751 rs6000_legitimate_address() and use it.
752 * config/rs6000/rs6000.c: Update all callers.
753 (rs6000_legitimate_address): New function.
755 2001-05-02 David Edelsohn <edelsohn@gnu.org>
757 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
758 special_constant conditional blocks together.
760 2001-05-02 Dale Johannesen <dalej@apple.com>
762 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
764 (STRICT_ARGUMENT_NAMING): Define.
765 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
766 function_arg_partial_nregs, setup_incoming_varargs): Remove
767 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
770 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
772 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
774 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
777 * expr.c (store_field): Do nothing except elaborate side-effects if
780 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
782 * c-lex.c: NULL_PTR -> NULL.
784 * emit-rtl.c: Likewise.
786 * genpeep.c: Likewise.
788 * mips-tdump.c: Likewise.
789 * reload1.c: Likewise.
790 * rtlanal.c: Likewise.
792 * stor-layout.c: Likewise.
793 * toplev.c: Likewise.
795 2001-05-01 Per Bothner <per@bothner.com>
797 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
798 call do_pending_stack_adjust before emiting label.
800 2001-05-01 Mark Mitchell <mark@codesourcery.com>
802 * extend.texi: Fix typo.
804 2001-05-01 Stan Shebs <shebs@apple.com>
806 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
807 of UOBJC_MODULES_decl.
808 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
809 (generate_descriptor_table): Ditto.
810 (generate_protocols): Ditto.
811 (generate_protocol_list): Ditto.
812 (generate_classref_translation_entry): Ditto.
814 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
816 * invoke.texi (Optimize Options): Add documentation for `--param
817 max-delay-slot-insn-search' and `--param
818 max-delay-slot-live-search' and reorder --param section.
819 * params.def: Modify initial comment.
820 * params.h (param_info): Add `help' member.
821 * toplev.c (lang_independent_params): Include `help' description.
822 (display_help): Print --param parameters.
824 2001-05-01 Zack Weinberg <zackw@stanford.edu>
826 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
827 Remove references to deleted files.
828 (*-*-openbsd): No need to override xmake_file.
829 (*-*-sysv4): Treat like *-*-sysv.
831 * configure.in: Probe for ldopen in various places, and set up
832 collect2 to be linked with them if found.
833 Don't dink with Windows registry stuff unless $host_os is a
834 Win32 os name. Check to see if we need -ladvapi32.
835 * configure: Regenerate.
837 * Makefile: Get rid of CLIB and HOST_CLIB.
838 Substitute in COLLECT2_LIBS and link collect2 against its contents.
839 * build-make: Get rid of HOST_CLIB.
841 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
842 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
843 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
844 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
845 config/rs6000/x-rs6000: Delete.
847 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
850 24 x-host fragments remain, 0 x-cpu, 3 top level.
852 2001-05-01 Zack Weinberg <zackw@stanford.edu>
854 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
855 * configure: Regenerate.
857 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
859 * Makefile.in (install-headers): Remove redundant dependency.
861 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
863 * c-tree.texi (USING_STMT): Document.
865 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
867 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
868 * c-common.c: Likewise.
869 * c-decl.c: Likewise.
870 * combine.c: Likewise.
871 * rs6000.c: Likewise.
872 * except.c: Likewise.
873 * explow.c: Likewise.
875 * fold-const.c: Likewise.
876 * function.c: Likewise.
879 * integrate.c: Likewise.
881 * objc/objc-act.c: Likewise.
883 * reg-stack.c: Likewise.
884 * reload.c: Likewise.
885 * reload1.c: Likewise.
886 * simplify-rtx.c: Likewise.
888 * varasm.c: Likewise.
890 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
892 * diagnostic.def: New file.
893 * diagnostic.h (diagnostic_t): New enum.
894 * Makefile.in (diagnostic.o): Depend on diagnostic.def
896 2001-04-30 Zack Weinberg <zackw@stanford.edu>
898 * tsystem.h: Test only POSIX for availability of string.h
900 * config.gcc (all systems): If USG appeared in xm_defines,
901 change it to POSIX. If both USG and POSIX appeared, just
902 delete USG. Remove unnecessary quotes around xm_defines
904 (m68k-crds-unos*): Don't #define unos - tested nowhere.
905 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
906 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
907 powerpc-*-linux*): No need to set xm_defines - handled by
908 global settings for *-*-linux*.
910 2001-04-30 Zack Weinberg <zackw@stanford.edu>
912 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
913 Always include gstab.h, not system stab.h. Don't provide
914 default definitions of N_CATCH or N_OPT. Always use the
915 gstab.h variant of STAB_CODE_TYPE.
916 * final.c: Don't include stab.h/gstab.h at all, or provide
917 defaults for N_SLINE and N_SOL.
919 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
920 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
922 * sdbout.c: Always include gsyms.h instead of system syms.h.
924 * configure.in: No need to check for stab.h.
925 * configure, config.in: Regenerate.
926 * Makefile.in (final.o): Don't depend on gstab.h.
928 2001-04-30 Mark Mitchell <mark@codesourcery.com>
929 Richard Henderson <rth@redhat.com>
931 * extend.texi: Improve documentation of volatile asms.
933 2001-04-30 Mark Mitchell <mark@codesourcery.com>
935 * c-tree.texi: Fix thinko.
936 * gcc.texi: Likewise.
938 2001-04-30 Richard Henderson <rth@redhat.com>
940 * c-common.c (c_promoting_integer_type_p): New function, from the
941 corpse of old macro. Properly promote too-small enumerations and
942 booleans. Adjust all callers.
943 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
944 (c_promoting_integer_type_p): Declare.
945 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
946 * c-typeck.c: Likewise.
947 (default_conversion): Remove now redundant boolean check.
949 2001-04-30 Jan Hubicka <jh@suse.cz>
950 Richard Henderson <rth@redhat.com>
952 * regmove.c (try_apply_stack_adjustment): Remove now redundant
954 (combine_stack_adjustments_for_block): Don't combine stack
955 allocation followed by deallocations. Handle grow-up stacks.
957 2001-04-30 Mark Mitchell <mark@codesourcery.com>
959 * fdl.texi: New file.
960 * c-tree.texi: Use the GFDL.
961 * gcc.texi: Likewise.
963 2001-04-30 Stan Shebs <shebs@apple.com>
965 * invoke.texi: Add a section documenting Objective-C options.
967 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
969 * emit-rtl.c (try_split): Copy EH notes to sequence.
971 2001-04-30 Mark Mitchell <mark@codesourcery.com>
973 * regmove.c (record_stack_memrefs): Catch all references to the
976 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
978 * Makefile.in(stmp-fixinc): quote shell assignment values
980 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
982 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
986 * prefix.c: Likewise.
988 2001-04-28 Stan Shebs <shebs@apple.com>
990 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
991 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
992 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
993 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
995 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
996 (NEXT_OBJC_RUNTIME): Define.
998 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1000 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
1001 * simplify-rtx.c (simplify_gen_relational): Likewise.
1003 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
1005 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
1006 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
1008 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
1009 registers in SSE case; fix handling of the immediates.
1010 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
1011 operands to be in regsiters before reload.
1012 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
1013 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
1014 (abstf,absxf,negtf,negxf splitters): Compute
1015 properly the regnum for x86_64.
1016 (avsdf2_if_rex64): New.
1018 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
1020 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
1021 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
1022 into the constant pool.
1023 * jump.c (jump_optimize_1): Remove barrier successors after all
1024 the LABEL_NUSES counds have been computed.
1025 (delete_barrier_successors): When deleting a tablejump insn, also
1026 delete the jump table it uses.
1027 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
1030 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
1032 * pa.c (FRP): Remove erroneous white space in macro definition.
1034 2001-04-28 Andreas Jaeger <aj@suse.de>
1036 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
1038 * extend.texi: Likewise.
1039 * tm.texi: Likewise.
1041 2001-04-28 Andreas Jaeger <aj@suse.de>
1043 * md.texi: Use XX-bit instead of XXbit or XX bit where
1046 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
1048 * gcc.c (process_command): Allow -l lib in addition to -llib
1049 for POSIX compliance. This fixes PR c/2347.
1051 * invoke.texi: Update section on Link Options accordingly.
1053 2001-04-27 Zack Weinberg <zackw@stanford.edu>
1055 * function.c (purge_addressof_1): Remove the duplicate
1056 if (code == SET) block. Fold the two if (code == ADDRESSOF)
1059 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
1061 * except.c (expand_eh_region_start): Don't start a new block.
1062 (expand_eh_region_end): Don't end a block.
1063 * stmt.c (expand_end_bindings): Don't end EH blocks.
1064 (expand_decl_cleanup): Starting an EH region won't change the block.
1065 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
1066 (is_eh_region): Lose.
1069 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
1071 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
1073 * collect2.c (main): Add `-L' case to remove duplicate entries.
1074 (is_in_args): New function to check for a duplicate argument.
1075 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
1076 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
1077 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
1078 Define to be nonzero.
1080 2001-04-27 Andreas Jaeger <aj@suse.de>
1081 Richard Henderson <rth@redhat.com>
1083 * md.texi (Machine Constraints): Document additional i386
1084 constraints and fix description of "A".
1086 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
1088 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
1090 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
1092 * except.c (get_exception_filter): word_mode, not Pmode.
1094 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
1096 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
1097 common to other movsf patterns. Move up so that in future
1098 people who change the other patterns will change it too.
1099 (movsf_lo_sum): Allow even for soft-float; add appropriate
1101 (movsf_high): Likewise.
1102 (movsf_high+1): Allow even for soft-float.
1104 * function.c (expand_function_end): Always clobber the
1105 return registers, even if there is no return label.
1107 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1109 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
1111 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
1113 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
1114 (pushqi2_rex64, pushhi2_rex64): Add.
1116 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
1118 * except.c (expand_eh_region_end_cleanup): Force pending stack
1119 adjust before emitting label that branches around cleanup code.
1121 2001-04-26 H.J. Lu (hjl@gnu.org)
1123 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
1125 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
1127 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
1128 (ASM_OUTPUT_SECTION_NAME): Likewise.
1129 (ASM_WEAKEN_LABEL): Likewise.
1130 (UNIQUE_SECTION): Likewise.
1131 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1132 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1133 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
1134 (ASM_OUTPUT_SECTION_NAME): Likewise.
1135 (ASM_WEAKEN_LABEL): Likewise.
1136 (UNIQUE_SECTION): Likewise.
1137 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1138 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1139 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
1140 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
1141 (ASM_FILE_START): Likewise.
1142 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1143 (ASM_DECLARE_OBJECT_NAME): Likewise.
1144 (ASM_FILE_END): Likewise.
1145 (ASM_DECLARE_FUNCTION_NAME): Likewise.
1146 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
1147 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1148 (ASM_OUTPUT_CASE_LABEL): Likewise.
1149 (ASM_OUTPUT_SKIP): Likewise.
1150 (ASM_OUTPUT_ASCII): Likewise.
1151 (ASM_OUTPUT_IDENT): Likewise.
1152 (READONLY_DATA_SECTION): Likewise.
1153 (EXTRA_SECTIONS): Likewise.
1154 (EXTRA_SECTION_FUNCTIONS): Likewise.
1155 (SELECT_RTX_SECTION): Likewise.
1156 (SELECT_SECTION): Likewise.
1158 * config/mips/linux.h (INVOKE__main): Undefine.
1159 (CTOR_LIST_BEGIN): Likewise.
1160 (CTOR_LIST_END): Likewise.
1161 (DTOR_LIST_BEGIN): Likewise.
1162 (DTOR_LIST_END): Likewise.
1163 (SET_ASM_OP): Defined it to ".dummy".
1164 (ASM_OUTPUT_DEF): Defined.
1165 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
1167 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
1169 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
1170 assembler supports .p2align.
1172 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
1174 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
1176 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1178 * integrate.c (expand_inline_function): Check for error_mark_node
1181 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1183 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
1186 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
1188 * configure.in (configargs.h): Define thread_model.
1189 * configure: Rebuilt.
1190 * gcc.c (main): Print it with -v.
1192 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
1194 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
1195 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
1196 * gcc.1: Regenerate.
1198 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1200 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1201 is_redundant_typedef): Use static inline instead of inline static.
1203 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1205 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1206 this directory is always searched.
1208 2001-04-25 Richard Henderson <rth@redhat.com>
1210 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
1211 of registers to restore along non eh_return path.
1213 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1215 * c-format.c (check_format_info_recurse): Handle
1216 PLUS_EXPR for format string.
1218 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1220 * config/ia64/ia64.h (CC1_SPEC): Define.
1221 * config/ia64/linux.h (CC1_SPEC): Define.
1223 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
1225 * emit-rtl.c (constant_subword): Also do sign extension in
1226 BITS_PER_WORD == 16 case.
1228 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
1230 * loop.c (try_swap_copy_prop): Go back to checking insn.
1232 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1234 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
1235 if check_mode is non-zero.
1237 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1239 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1240 out and comparison sequence has been detected, put result into
1241 proper temporary pseudo.
1243 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1245 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1246 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1247 * libgcc2.c: Remove __dummy and __builtin_saveregs.
1248 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
1249 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1250 for future reference.
1252 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
1254 * except.c (reachable_handlers): Step out one level from a RESX.
1256 * except.c (struct eh_region): Rename 'last' to 'resume'.
1257 (mark_eh_region, duplicate_eh_region_1): Adjust.
1258 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
1259 (build_post_landing_pads): Likewise.
1260 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
1261 (expand_eh_region_end_must_not_throw): Likewise.
1262 (connect_post_landing_pads): Thread (only) regions with non-deleted
1265 * except.c (expand_eh_region_end_cleanup): Save the EH return data
1266 registers around the cleanup.
1267 (get_exception_filter): New fn.
1268 (finish_eh_generation): Use it.
1270 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
1272 * c-semantics.c (add_scope_stmt): Don't call
1273 current_scope_stmt_stack multiple times.
1275 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1276 Nathan Sidwell <nathan@codesourcery.com>
1278 Lazy __FUNCTION__ generation.
1279 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
1280 RID_C99_FUNCTION_NAME): New _RIDs.
1281 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
1282 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
1283 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
1285 (function_id_node, pretty_function_id_node, func_id_node): Remove.
1286 (c99_function_name_decl_node, function_name_decl_node,
1287 pretty_function_name_decl_node, saved_function_name_decls):
1289 (struct language_function): Remove x_function_name_declared_p.
1290 (make_fname_decl): Remove a parameter.
1291 (declare_function_names): Remove prototype.
1292 (start_fname_decls, finish_fname_decls): Prototype.
1293 (fname_as_string): Likewise.
1294 (fname_string, fname_decl): Likewise.
1295 * c-common.c (make_fname_decl): Adjust.
1296 (struct fname_var_t): New struct.
1297 (fname_vars): New static array.
1298 (declare_function_name): Remove.
1299 (start_fname_decls, finish_fname_decls): New functions.
1300 (fname_as_string): New function from remnants of
1301 declare_function_name.
1302 (fname_string, fname_decl): New functions.
1304 * c-decl.c (c_function_name_declared_p): Remove.
1305 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
1306 don't call declare_function_name. Call start_fname_decls.
1307 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
1308 clobber the line number. Call finish_decl.
1309 (start_function): Call start_fname_decls.
1310 (finish_function): Call finish_fname_decls.
1311 Remove c_function_name_declared_p.
1312 (push_c_function_context): Don't push c_function_name_declared_p.
1313 (pop_c_function_context): Don't pop c_function_name_declared_p.
1314 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
1315 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
1316 (program): Call finish_fname_decls for C.
1317 (primary): Add VAR_FUNC_NAME.
1318 (reswords): Add slots for __FUNCTION__ et al.
1319 (rid_to_yy): Add mappings for __FUNCTION__ et al.
1320 (yylexname): If it's a STRING_FUNC_NAME generate the function name
1321 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
1322 * c-semantics.c (prune_unused_decls): Remove.
1323 (finish_stmt_tree): Don't call prune_unused_decls.
1324 (genrtl_decl_stmt): Don't prune unused decls here.
1326 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
1328 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
1329 constant pool, use the pool's SYMBOL_REF instead.
1331 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
1334 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1336 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1337 passing nested NOP_EXPRs to fold.
1339 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1341 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
1344 2001-04-22 Mark Mitchell <mark@codesourcery.com>
1346 * loop.c (loop_delete_insns): Add prototype.
1348 2001-04-23 Phil Edwards <pme@sources.redhat.com>
1350 * configure.in: Remove ENABLE_STD_NAMESPACE.
1351 * config.in: Regenerated.
1352 * configure: Regenerated.
1354 2001-04-22 Stan Shebs <shebs@apple.com>
1356 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
1358 * config/rs6000/xm-darwin.h: Remove file.
1360 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1362 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
1363 (write_c_file_stat): Likewise.
1365 * dbxout.c (dbxout_init): Likewise.
1367 * profile.c (output_func_start_profiler): Likewise.
1369 2001-04-22 Philipp Thomas <pthomas@suse.de>
1371 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
1372 require it instead of the CVS version.
1373 * cpperror.c (v_message): Put a blank before the macro
1374 body to not confuse exgettext.
1376 2001-04-21 Mark Mitchell <mark@codesourcery.com>
1378 * flow.c (proagate_one_insn): Remove useless assignment.
1379 * jump.c (delete_insn): Tidy.
1380 * loop.c (try_copy_prop): When deleting an instruction with a
1381 REG_RETVAL note, delete the entire libcall sequence.
1382 (loop_delete_insns): New function.
1383 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1384 we're not substituting into them yet.
1386 2001-04-21 Kazu Hirata <kazu@hxi.com>
1388 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
1390 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
1392 * config/i960/i960.c (signed_arith_operand): Likewise.
1394 * calls.c (expand_call): Fix a comment typo.
1396 2001-04-20 Zack Weinberg <zackw@stanford.edu>
1398 * configure.in: Probe for times, clock, struct tms, and clock_t.
1399 * configure, config.in: Regenerate.
1400 * timevar.c: Replace ifdef forest in get_time with (relatively)
1401 straightforward series of checks based on autoconf's probes.
1403 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
1405 * config/pa/som.h (NM_FLAGS): Define.
1407 2001-04-20 Bernd Schmidt <bernds@redhat.com>
1409 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
1411 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
1412 * ia64.c (nop_cycles_until): New function.
1413 (prev_cycle, prev_first, last_issued): New static variables.
1414 (ia64_sched_reorder): Additional arg for clock.
1415 On final scheduling pass, emit extra NOPs as needed.
1416 Set prev_first and prev_cycle.
1417 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
1418 (ia64_variable_issue): Set last_issued.
1420 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
1422 * config/i386/i386.c (ix86_expand_int_movcc,
1423 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
1425 2001-04-20 Geoff Keating <geoffk@redhat.com>
1427 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
1428 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
1429 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
1430 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
1431 ctrdi_internal6): In the short-branch case, this insn is only 4
1432 bytes long. Reported by Reza Yazdani <reza@apple.com>.
1434 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1436 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
1437 "=u" is used together with "st" resp. "st(1)" clobber.
1439 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1441 * gcse.c (gcse_main): Fix comment typo.
1442 (delete_null_pointer_check): Likewise.
1443 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
1444 * cse.c (cse_insn): Likewise.
1445 * function.c (fixup_var_refs_insns_with_hash): The sequence is
1448 2001-04-19 Zack Weinberg <zackw@stanford.edu>
1450 * toplev.c: Excise all code for the undocumented -dm option.
1451 (float_signal): Call signal just once, unconditionally.
1453 2001-04-19 Geoff Keating <geoffk@redhat.com>
1455 * fold-const.c (fold): Use first_rtl_op rather than
1456 TREE_CODE_LENGTH when looping over parameters of a tree.
1457 Correct strange grouping in test for evaluated SAVE_EXPR.
1459 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
1461 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
1462 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
1464 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
1465 name at 32 total characters.
1466 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
1467 functions in named sections -- data items can still go into unique
1468 sections, but they have normal names (ie $LIT$ and $DATA$).
1470 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
1473 2001-04-19 DJ Delorie <dj@redhat.com>
1475 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1476 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
1477 * config/i386/cygwin.h: Likewise.
1478 * config/i386/mingw32.h: Likewise.
1479 * config/vax/vms.h: Likewise.
1480 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
1482 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1483 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
1484 * config/i386/xm-cygwin.h: Likewise.
1485 * config/i386/xm-djgpp.h: Likewise.
1486 * config/i386/xm-mingw32.h: Likewise.
1487 * config/vax/xm-vms.h: Likewise.
1489 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
1490 instead of OBJECT_SUFFIX.
1491 * collect2.c (find_a_file): Look for files matching the extension
1492 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
1493 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
1494 TARGET_EXECUTABLE_SUFFIX.
1495 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
1496 (make_relative_prefix): Likewise.
1497 (convert_filename): Use TARGET_ suffixes throughout. Remove
1499 (process_command): Likewise.
1500 (do_spec_1): Likewise.
1501 * java/lang.c (init_parse): Likewise.
1503 * gcc.texi : Document four new options matching the pattern
1504 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
1505 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
1506 documentation for NO_AUTO_EXE_SUFFIX.
1508 2001-04-19 Mark Mitchell <mark@codesourcery.com>
1510 * toplev.h (struct lang_hooks): Allow decode_option to indicate
1511 that language-independent processing should not be done.
1512 * toplev.c (main): Adjust accordingly.
1514 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
1515 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
1517 * mips.md (reload_outputdi): Require that operand0 be a
1520 2001-04-19 Jakub Jelinek <jakub@redhat.com>
1522 * invoke.texi (-Wshadow): Clarify.
1524 2001-04-18 Mark Mitchell <mark@codesourcery.com>
1526 * loop.c (load_mems): Examine all the instructions in the loop
1527 before concluding that all jumps branch to the first instruction
1530 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
1532 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
1534 2001-04-18 Jakub Jelinek <jakub@redhat.com>
1536 * cpp.texi (-Wwhite-space): Remove.
1537 (-Wall): -Wall does not imply -Wwhite-space.
1539 2001-04-17 Zack Weinberg <zackw@stanford.edu>
1541 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
1542 use it instead of blindly generating a .stabs.
1543 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
1545 * xcoffout.c: Don't bother defining default for N_CATCH.
1546 (UNKNOWN_STAB): Use internal_error.
1547 (stab_to_sclass): Remove now-unnecessary aborts.
1548 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
1550 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
1552 * jump.c (mark_all_labels): Canonicalize the tail recursion
1553 label attached to CALL_PLACEHOLDER insns.
1555 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1557 * output.h (dump_flow_info, free_basic_block_vars,
1558 which_alternative): Delete redundant prototypes.
1560 * rtl.h (bss_section): Likewise.
1562 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
1564 * dbxout.c (N_OPT): Define if not available from <stab.h>
1566 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1568 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
1569 libraries and native K&R compilers.
1571 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1573 * c-typeck.c (convert_arguments): Don't check for width changes
1576 * invoke.texi (-Wtraditional): Update documentation.
1578 2001-04-16 Zack Weinberg <zackw@stanford.edu>
1580 * toplev.c (output_lang_identify): Delete.
1581 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
1582 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
1583 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
1584 after calling ASM_FILE_END.
1586 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1587 Instead, unconditionally emit an N_OPT stab with string equal
1588 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1590 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1592 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1593 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1594 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1595 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1596 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1597 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1598 config/i370/i370.h, config/i386/beos-elf.h,
1599 config/i386/osf1elf.h, config/i386/osfrose.h,
1600 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1601 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1602 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1603 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1604 config/mips/iris6.h, config/mips/osfrose.h,
1605 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1606 config/sparc/sp64-elf.h:
1607 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1608 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1610 * config/elfos.h, config/freebsd.h, config/linux.h,
1611 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1612 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1613 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1614 of ASM_FILE_START which merely emit a .version directive. Delete
1615 definitions of ASM_FILE_END which merely emit an .ident directive.
1617 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1618 ASM_IDENTIFY_GCC and move part of its logic into
1621 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1622 config/sparc/linux-aout.h: Don't emit .version directive in
1625 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1626 (output_file_start): Correct comment.
1628 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1629 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1631 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1632 * config/rs6000/aix.h: Correct comment.
1634 * config/i386/i386afe.h: Delete.
1635 * config.gcc: Remove references to i386afe.h.
1637 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1638 other macros deleted by this patch were undocumented.
1640 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
1642 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1644 * pa.c (secondary_reload_class): SAR<->FP copies require a
1647 * install.texi (mips-mips-bsd): Update list of functions
1648 required to include memmove.
1649 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1650 used functions to include memmove.
1652 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
1654 * i386.md (sqrtdf2): SFmode should be DFmode.
1656 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
1658 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
1659 (find_moveable_store): Likewise.
1661 2001-04-15 Jim Wilson <wilson@redhat.com>
1663 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1665 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1667 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
1668 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
1670 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
1672 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
1675 2001-04-14 Alan Modra <amodra@one.net.au>
1677 * pa.c (force_mode): New function.
1678 (emit_move_sequence): Use it instead of generating new rtx_REGs.
1680 2001-04-13 Jim Wilson <wilson@redhat.com>
1682 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
1683 (first_instruction): New static variable.
1684 (rtx_needs_barrier): Return 1 for alloc.
1685 (init_insn_group_barriers): Set first_instruction.
1686 (rws_sum): Delete duplicate definition.
1687 (group_barrier_needed_p): Return 0 when first_instruction true.
1688 (safe_group_barrier_needed_p): Save and restore first_instruction
1689 around group_barrier_needed_p call.
1691 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
1693 * expr.h (enum libfunc_index): Add LTI_memmove.
1694 (memmove_libfunc): Define macro.
1695 * optabs.c (init_optabs): Initialize memmove_libfunc.
1696 * expr.c (expand_assignment): Use memmove_libfunc instead of
1699 2001-04-13 Alan Modra <alan@linuxcare.com.au>
1701 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1704 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1706 * Makefile.in (reg-stack.o): Depend on reload.h.
1707 (insn-attrtab.o): Depend on flags.h.
1709 * genattrtab (main): Include flags.h in insn-attrtab.c.
1711 * reg-stack.c: Include reload.h.
1713 * sparc.h (flag_pic): Delete redundant declaration.
1715 * output.h (flag_pic): Likewise.
1717 * tree.h (pedantic): Likewise.
1719 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1721 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
1723 * jump.c, regmove.c, toplev.c: Include reload.h.
1725 * reload.h (reload_cse_regs): Declare.
1727 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
1728 reload_cse_regs, init_reload, mark_home_live, reload,
1729 init_caller_save): Delete redundant prototypes.
1731 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1733 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
1735 * regclass.c, ssa.c: Include expr.h.
1737 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
1738 gen_move_insn): Delete redundant declarations.
1740 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1742 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1743 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1744 MAKEINFO and MAKEINFOFLAGS too.
1745 (stage4_build): Correctly order -B flags.
1747 2001-04-13 Alan Modra <amodra@one.net.au>
1749 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
1750 PIC_OFFSET_TABLE_SAVE_RTX.
1751 (zdepi_cint_p): Describe zdepi insn.
1752 Formatting and white space fixes throughout file.
1754 * pa.c (uint32_operand): Don't use long constant >= 2^32.
1755 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
1756 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
1757 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
1758 (output_64bit_and): Use plain `int's for shift counts.
1759 (output_64bit_ior): Likewise.
1760 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
1761 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
1764 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
1765 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
1766 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
1767 NEW_HP_ASSEMBLER into one. Kill warnings.
1769 * pa-gas.h: Delete file.
1770 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
1771 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
1772 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
1773 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
1775 * config/pa/mill32.S: New file.
1776 * config/pa/mill64.S: New file.
1777 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
1778 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
1779 * config/pa/t-linux64: New file.
1780 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
1781 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
1782 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
1784 * elfos.h (SELECT_SECTION): Undef before defining.
1785 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
1786 (LIB_SPEC): Remove -lmilli.
1787 (DBX_REGISTER_NUMBER): Remove.
1788 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
1789 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
1790 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
1791 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
1792 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
1793 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
1794 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
1795 TARGET_GAS): Define.
1796 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
1797 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
1798 regs if we don't have a prototype.
1799 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
1800 * pa.h (TARGET_ELF32): Default to 0 if undefined.
1801 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
1802 EH_RETURN_HANDLER_RTX): Define.
1803 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
1804 (DWARF_FRAME_REGNUM): Define.
1805 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
1806 * pa32-linux.h: New file.
1807 * pa64-linux.h: New file.
1809 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1810 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
1811 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
1812 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
1813 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
1814 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
1815 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
1816 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1817 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
1818 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
1819 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1820 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
1821 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
1822 * pa64-hpux.h: New file.
1823 (ASM_FILE_START): Correct typo.
1824 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
1825 * config.gcc: Modify for above.
1827 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
1829 * jump.c (jump_optimize_1): Don't delete dead stores here.
1830 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
1831 prior to running jump optimize before cse2.
1833 2001-04-12 Richard Henderson <rth@redhat.com>
1835 * Makefile.in (regmove.o): Depend on except.h.
1836 * regmove.c: Include it.
1838 2001-04-12 Stan Shebs <shebs@apple.com>
1840 * objc/objc-act.c: Remove all code ifdefed with the never-used
1841 macro OBJC_INT_SELECTORS.
1842 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
1843 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
1845 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
1847 * config/pa/quadlib.c: Add prototypes.
1849 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1851 * bitmap.h (debug_bitmap): Delete redundant prototype.
1853 * rtl.h (get_frame_size): Likewise.
1855 2001-04-12 Jim Wilson <wilson@redhat.com>
1857 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1858 to just emit an fnorm.
1860 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1862 * c-common.h (truthvalue_conversion, type_for_mode,
1863 type_for_size): Delete redundant declarations.
1865 * c-lex.h (is_class_name): Likewise.
1867 * c-tree.h (pedantic, convert, getdecls, gettags,
1868 global_bindings_p, init_decl_processing, insert_block,
1869 maybe_build_cleanup, poplevel, print_lang_decl,
1870 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
1871 set_block, incomplete_type_error, build_function_call,
1872 lvalue_or_else, mark_addressable): Likewise.
1874 * expr.h (expand_tree_builtin): Likewise.
1876 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1878 * invoke.texi: Document --param max-gcse-memory.
1880 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1882 * configure.in (errno): Check for declaration.
1883 * configure, config.in: Regenerated.
1885 * system.h (errno): Only declare if not already done.
1887 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1889 * recog.c (general_operand, immediate_operand,
1890 nonmemory_operand): Require CONST_INTs to be sign-extended
1891 values for their modes.
1893 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1895 * expmed.c (store_bit_field): Truncate CONST_INTs.
1896 (expand_mult_highpart, expand_divmod): Likewise.
1897 * expr.c (convert_modes, store_field): Likewise.
1898 * integrate.c (expand_inline_function): Use promote_mode() to
1899 determine whether to convert_modes() an argument as signed
1901 * optabs.c (expand_binop): Get CONST_INT operands
1902 sign-extended for their appropriate modes.
1903 * stmt.c (emit_case_nodes): Convert node values to the
1905 (expand_end_case): Convert minval and range to the appropriate
1907 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
1908 the iteration variable.
1909 * varasm.c (immed_double_const): Don't require words to be
1910 narrower than host wide ints to properly sign-extend
1913 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1915 * sh.md (builtin_setjmp_receiver): New expander.
1917 2001-04-12 David Edelsohn <dje@watson.ibm.com>
1919 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
1920 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
1921 for generating CONST_INT and CONST_DOUBLE.
1923 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1925 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1926 already sign-extended.
1927 (rs6000_emit_prologue): Make register iterator signed.
1928 (rs6000_emit_epilogue): Likewise.
1929 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
1931 (movsf split, movdf split): Sign-extend CONST_INTs.
1932 (movdi splits): Likewise.
1934 2001-04-12 Kelley Cook <kelley.cook@home.com>
1936 * config-lang.in (lang_dirs): Add in zlib.
1938 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
1940 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
1941 operands that make it to RTL.
1943 2001-04-11 Stan Shebs <shebs@apple.com>
1945 Add Darwin (Mac OS X kernel) native support.
1946 * config.gcc (powerpc-*-darwin*): Add native bits.
1947 * config/darwin.c: New file, generic Darwin support functions.
1948 * config/darwin.h: New file, generic Darwin definitions.
1949 * config/darwin-protos.h: New file, generic Darwin prototypes.
1950 * rs6000/darwin.h: New file, Darwin for PowerPC.
1951 * rs6000/t-darwin: New file, Darwin makefile fragment.
1952 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
1953 (TARGET_MACHO): Ditto.
1954 (rs6000_abi): Add ABI_DARWIN.
1955 (RS6000_REG_SAVE): Add ABI_DARWIN case.
1956 (RS6000_SAVE_AREA): Ditto.
1957 (FP_ARG_MAX_REG): Ditto.
1958 (RETURN_ADDRESS_OFFSET): Ditto.
1959 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
1961 (rs6000_emit_move): Add ABI_DARWIN cases.
1962 (print_operand): Ditto.
1963 (first_reg_to_save): Ditto.
1964 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
1965 (debug_stack_info): Ditto.
1966 (rs6000_emit_prologue): Ditto.
1967 (rs6000_emit_epilogue): Ditto.
1968 (output_profiler_hook): Ditto.
1969 (output_function_profiler): Ditto.
1970 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
1971 (output_mi_thunk): Add TARGET_MACHO case.
1972 (add_compiler_stub): Ditto.
1973 (output_compiler_stub): Ditto.
1974 (no_previous_def): Ditto.
1975 (output_call): Ditto.
1976 (machopic_output_stub): Ditto.
1977 (rs6000_machopic_legitimize_pic_address): Ditto.
1978 (toc_section): Ditto.
1979 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
1980 (macho_high): Ditto.
1983 (load_macho_picbase): Ditto.
1984 (call): Add TARGET_MACHO case to modify function.
1985 (call_value): Ditto.
1986 (call_nonlocal_sysv): Add ABI_DARWIN case.
1987 (call_value_nonlocal_sysv): Ditto.
1988 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
1990 (machopic_output_stub): Ditto.
1991 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
1993 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1995 * dwarf2out.c (modified_type_die): Don't create new types here.
1996 * tree.h (get_qualified_type): New function.
1997 (build_qualified_type): Adjust comment.
1998 * tree.c (get_qualified_type): New function.
1999 (build_qualified_type): Use it.
2001 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2003 * cpp.texi (-Wtraditional): Update description.
2005 * invoke.texi (-Wtraditional): Likewise.
2007 2001-04-11 Jim Wilson <wilson@redhat.com>
2009 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
2010 requires more than 64 bits of alignment.
2012 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
2014 * cpplib.c (do_line): Sanity check iff enable checking.
2016 2001-04-11 Richard Henderson <rth@redhat.com>
2018 * Makefile.in (insn-recog.o): Depend on toplev.h.
2019 (insn-emit.o, doloop.o): Likewise.
2020 * genrecog.c, genemit.c: Include toplev.h in generated file.
2021 * doloop.c: Include toplev.h.
2023 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2025 * Makefile.in (gcse.o): Depend on params.h.
2026 * gcse.c: Include params.h.
2027 (gcse_main): Don't do GCSE if doing so will take inordinate
2029 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
2030 * params.h (MAX_GCSE_MEMORY): New macro.
2032 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2034 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
2036 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
2038 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2040 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
2042 * real.h (ereal_atof, real_value_truncate, target_isnan,
2043 target_isinf, target_negative, assemble_real, debug_real): Delete
2044 redundant prototypes.
2046 * Makefile.in (ifcvt.o): Depend on toplev.h.
2048 * c-semantics.c: Include expr.h.
2050 * ifcvt.c: Include toplev.h.
2052 * expr.h (rtx_equal_p): Delete prototype.
2054 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
2055 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
2056 eliminate_constant_term, expand_complex_abs, find_single_use,
2057 make_tree, init_expr_once, init_optabs, supports_one_only):
2060 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
2061 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
2062 expand_assignment, store_expr, emit_line_note_after,
2063 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
2065 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
2067 * sparc-protos.h: Delete redundant prototypes.
2069 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
2071 * reload.c (push_reload): Add condition missed in SUBREG byte
2074 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2076 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
2078 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2080 * i386.md (floatsisf_sse): Fix output template
2081 * i386.c (ix86_expand_fp_movcc)
2083 * reg-stack.c (emit_pop_insn): Handle complex modes.
2084 (move_for_stack_reg): Emit proper move mode.
2085 (subst_stack_regs_pat): Handle complex modes.
2087 2001-04-11 Jakub Jelinek <jakub@redhat.com>
2089 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
2091 2001-04-10 Richard Henderson <rth@redhat.com>
2093 * libgcc2.h (__terminate_func_ptr): Remove typedef.
2094 (__pure_virtual, __terminate, __terminate_set_func,
2095 __default_terminate, __throw_type_match, __empty,
2096 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
2097 __eh_rtime_match, __unwinding_cleanup, __rethrow,
2098 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
2099 Remove prototypes of deleted functions.
2101 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2103 * c-typeck.c (convert_arguments): -Wtraditional now activates
2104 -Wconversion warnings, except for changes in signed-ness.
2105 Detect complex<->int & int<->complex conversions as well.
2107 * invoke.texi (-Wtraditional): Document it.
2109 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2111 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
2112 * flow.c (set_block_for_new_insns): Remove needless cast and
2113 properly check for unset block number.
2115 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
2117 * function.c (purge_single_hard_subreg_set): Only check REGNO if
2118 the subreg was a hard register. Pseudos are left as subregs.
2120 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2122 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
2123 (LIB2ADD_ST): New macro, pass it to mklibgcc.
2124 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
2125 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
2126 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
2128 2001-04-09 Bo Thorsen <bo@suse.co.uk>
2130 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
2132 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2134 * output.h (set_block_num): Missed it earlier, remove deprecated
2137 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2139 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
2140 (load_killed_in_block_p): Change bb parameter from int to basic_block.
2141 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
2142 (handle_rd_kill_set): Change bb parameter from int to basic_block.
2143 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
2144 (expr_killed_p): Change bb parameter from int to basic_block, pass
2145 basic_blocks instead of ints as parameters.
2146 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
2147 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
2148 from int to basic_block, pass basic_blocks instead of ints as parms.
2149 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
2150 parameter from int to basic_block, pass basic_blocks instead of ints.
2151 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
2152 (insert_insn_end_bb): Change bb parameter from int to basic_block,
2153 pass basic_blocks instead of ints.
2154 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
2155 basic_blocks instead of ints as parameters.
2156 (pre_delete): Pass basic_blocks instead of ints as parameters.
2157 (hoist_expr_reaches_here_p): Change bb parameter from int to
2158 basic_block, pass basic_blocks instead of ints.
2159 (hoist_code): Pass basic_blocks instead of ints as parameters.
2160 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
2161 Change bb parameter from int to basic_block.
2162 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
2163 (insert_insn_start_bb): Change bb parameter from int to basic_block,
2164 pass basic_blocks instead of ints.
2165 (insert_store): Pass basic_blocks instead of ints as parameters.
2166 (replace_store_insn, delete_store): Change bb parameter from int to
2167 basic_block, pass basic_blocks instead of ints.
2168 (store_motion): Pass basic_blocks instead of ints as parameters.
2170 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2172 * basic-block.h (set_new_block_for_insns): New Prototype.
2173 (set_block_num): Delete prototype.
2174 * flow.c (set_block_num): Remove obsolete function.
2175 (set_block_for_new_insns): Set BB for single or multiple insns.
2176 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
2177 (process_insn_end_bb): Use set_block_for_new_insns or
2178 set_block_for_insn instead of set_block_num.
2179 (pre_insert_copy_insn): Use set_block_for_new_insns.
2180 (update_ld_motion_stores): Use set_block_for_new_insns.
2181 (insert_insn_start_bb): Use set_block_for_new_insns.
2182 (replace_store_insn): Use set_block_for_new_insns.
2184 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2185 Jeff Law <law@redhat.com>
2187 * alias.c (get_addr): Externalize.
2188 (canon_true_dependence): New function. Behaves like true_dependance
2189 except it already assumes a MEM has been canonicalized.
2190 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
2191 * gcse.c (struct ls_expr): Add load/store expressions structure.
2192 (modify_mem_list, canon_modify_mem_list): New variable.
2193 (gcse_main): Initialize & finalize alias analysis. Use enhanced
2194 load motion and store motion if requested.
2195 (alloc_gcse_mem): Allocate space for modify_mem_list array.
2196 (free_gcse_mem): Free the modify_mem_list array.
2197 (oprs_unchanged_p): Use load_killed_in_block_p.
2198 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
2199 (mems_conflict_for_gcse_p): New function. Don't kill loads
2200 with stores to themselves if its in the load/store expression list.
2201 (load_killed_in_block_p): New function.
2202 (canon_list_insert): New Function.
2203 (record_last_mem_set_info): Keep a list of all instructions which
2204 can modify memory for each basic block.
2205 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
2206 (oprs_not_set_p): Use load_killed_in_block_p.
2207 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
2208 (expr_killed_p): Use load_killed_in_block_p.
2209 (compute_transp): Do not pessimize memory references.
2210 (pre_edge_insert): Update stores for a load motion expression.
2211 (one_pre_gcse_pass): Check loads/stores for extra load motion.
2212 (ldst_entry): Find or create a ldst_expr structure.
2213 (free_ldst_entry): Free memory for an individual item.
2214 (free_ldst_mems): Free entire load/store expression list.
2215 (print_ldst_list): Print debug info.
2216 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
2217 (enumerate_ldsts): Assign integer values to each entry in list.
2218 (first_ls_expr): First expression in the list.
2219 (next_ls_expr): Next expression in the list.
2220 (simple_mem): Check if expression qualifies for ld/st expression list.
2221 (invalidate_any_buried_refs): Remove from expression list if its
2222 used in some other way we dont understand.
2223 (compute_ld_motion_mems): Find all potential enhanced load motion
2225 (trim_ld_motion_mems): Remove any expressions which are invalid.
2226 (update_ld_motion_stores): Copy store values to registers for loads
2227 which have been moved.
2228 (regvec, st_antloc, num_store): New global statics.
2229 (reg_set_info): Marks registers as set.
2230 (store_ops_ok): Verfies registers expressions are valid in a block.
2231 (find_moveable_store): Look for moveable stores in a pattern.
2232 (compute_store_table): Find stores in a function worth moving, maybe.
2233 (load_kills_store): Check dependance of a load and store.
2234 (find_loads): Find any loads in a pattern.
2235 (store_killed_in_insn): Check if a store is killed in an insn.
2236 (store_killed_after): Check is store killed after an insn in a block.
2237 (store_killed_before): Check is store killed before an insn in a block.
2238 (build_store_vectors): Generate the antic and avail vectors.
2239 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
2240 (insert_store): Add a store to an edge.
2241 (replace_store_insn): Replace a store with a SET insn.
2242 (delete_store): Delete a store insn.
2243 (free_store_memory): Free memory.
2244 (store_motion): Perform store motion.
2245 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
2246 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
2247 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
2248 (f_options): Add gcse-lm and gcse-sm.
2250 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2252 * i386.c (expand_fp_movcc): Fix condition reversal code.
2254 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
2255 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
2256 (CLASS_MAX_NREGS): Use it.
2258 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
2259 handle properly complex values.
2260 (CLASS_MAX_NREGS): Likewise; update comment.
2262 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2264 * ia64.c (ia64_flag_schedule_insns2): New variable.
2265 (ia64_override_options): Initialize it. Clear
2266 flag_schedule_insns_after_reload.
2267 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
2269 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2271 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
2272 Do not require source to match destination anymore;
2273 Add abort to the nontrivial cases that should be handled by split.
2274 (fix_trunc?fdi): Add SSE case for x86_64.
2275 (floatdi?f): Likewise.
2276 (floatdi?f_sse): New.
2277 (fix_trunc?fdi_sse): New.
2279 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
2281 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
2282 (DEBUG_ARANGES_END_LABEL): Ditto.
2283 (dwarfout_init): Generate length and version fields at the start
2284 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
2285 after the length field.
2286 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
2287 the .debug_aranges info.
2289 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2291 * i386.c (call, call_value): Make sure that resulting call_insn
2292 does have proper second operand.
2294 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
2296 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
2297 function. Remove include of sys/cygwin.h.
2299 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
2301 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
2302 (CPP_SPEC): Always search */include/w32api for header files.
2303 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
2304 (LINK_SPEC): Add "cyg" to the library search prefixes.
2306 2001-04-08 Philip Blundell <philb@gnu.org>
2308 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
2310 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
2312 * cpperror.c (print_location): Don't special case <stdin>.
2313 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
2314 WARNING, but we don't check if we're in system headers.
2315 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
2316 * cpplib.c (do_warning): Warn in system headers.
2318 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
2320 * mbchar.c: Include config.h first.
2322 2001-04-07 Zack Weinberg <zackw@stanford.edu>
2324 * config.gcc: Set default for xmake_file at top, not bottom.
2325 Change places that set xmake_file to "none" to set to the
2326 empty string instead, or remove them entirely if there is no
2327 default xmake_file for this cpu_type. Remove references to
2330 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
2331 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
2332 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
2333 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
2334 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
2335 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
2336 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
2337 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
2338 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
2339 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
2342 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
2343 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2344 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2345 config/mips/x-sysv, config/rs6000/x-aix31:
2346 Just set CLIB to -lld or -lmld, as appropriate.
2348 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
2349 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
2350 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
2351 config/mips/x-iris, config/pa/x-pa:
2352 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
2353 OTHER_FIXINCLUDES_DIRS.
2355 * config/i386/x-djgpp: Don't set LN or LN_S.
2356 * config/m88k/x-dolph: Don't define __m88k__.
2357 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
2358 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
2359 * config/i860/fx2800.h: No need to #undef SVR4.
2361 38 x-host fragments remain, 2 x-cpu.
2363 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2365 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
2367 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2369 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
2371 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2373 * configure.in: Add check for lstat.
2374 * configure, config.in: Regenerate.
2375 * cppinit.c (append_include_chain): Make empty path ".".
2376 * cpplib.c (do_line): Don't simplify #line paths.
2377 * cppfiles.c (remove_component_p): New function.
2378 (find_or_create_entry): Acknowledge stat () errors during
2379 path simplification.
2380 (handle_missing_header): Don't simplify paths.
2381 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
2382 the empty path untouched. Don't leave a trailing '/'.
2384 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
2386 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2387 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2389 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2391 * cppfiles.c (open_file): Fail directories silently, but
2392 with an errno of NOENT set.
2393 (read_include_file): Move the common exit code to the sole
2394 caller. Return an int indicating success or failure. Let
2395 open_file handle directories.
2396 (stack_include_file): If read_include_file fails,
2397 push a "null" buffer.
2399 2001-04-05 DJ Delorie <dj@redhat.com>
2401 * function.h (virtuals_instantiated): Declare.
2402 * function.c: (virtuals_instantiated): Make global.
2403 * calls.c (emit_library_call_value_1): Use
2404 virtual_outgoing_args_rtx only if it hasn't been instantiated.
2405 Otherwise, use the stack pointer directly.
2407 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2409 * i386.c (x86_initialize_trampoline): New global function.
2410 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
2411 (INITIALIZE_TRAMPOLINE): Move offline.
2412 * i386-protos.h (x86_initialize_trampoline): Declare.
2414 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2416 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
2417 (lea_0): Rename to lea_1.
2418 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
2419 (lea_general_?): Allow SImodes on TARGET_64BIT
2420 (lea_general_?_zext): New patterns.
2421 (call_1, call_1_rex64): Fix.
2423 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2425 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
2427 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2429 * i386.c (function_arg): Return constm1_rtx for last argument.
2430 (ix86_expand_prologue): Update gen_call calls.
2431 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
2432 * i386.md (call_pop): Likewise.
2433 (call): Second operand is VOIDmode.
2434 (call_0): Likewise; Support 64bits.
2435 (call_exp): New expander.
2436 (call_1): Get to the sync.
2437 (call_1_exp): New pattern.
2438 (call_value): Support 64bit.
2439 (call_value_exp): New pattern.
2440 (untyped_call): Update gen_call call.
2441 (call_value_pop): Disable for 64bit.
2442 (call_value_0_rex64): New pattern.
2443 (call_value_1_rex64): Likewise.
2445 2001-04-05 Bo Thorsen <bo@suse.de>
2447 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
2449 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
2451 * i386.md (*andsi_1+3): If used after reload, make sure the operand
2452 satisfies ANY_QI_REG_P.
2454 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2456 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
2459 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
2462 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2464 * config.gcc: Remove default for xm_file. Clean up local
2465 machine type handling. Remove settings of xm_file to
2466 something that doesn't exist. In the big switch, set xm_file,
2467 don't append to it (the value before the big switch is always
2468 null). Don't force build_xm_file or host_xm_file to have a value.
2469 * configure.in: Remove default for xm_file. Do not special
2470 case $cpu/xm-$cpu.h not existing.
2471 * configure: Regenerate.
2473 2001-04-04 Diego Novillo <dnovillo@redhat.com>
2475 * simplify-rtx.c (simplify_binary_operation): Check for overflow
2476 when folding integer division and modulo operations.
2478 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
2480 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
2481 instead of DWARF2_ADDR_SIZE for EH addresses.
2482 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
2485 2001-04-04 Richard Henderson <rth@redhat.com>
2487 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
2488 * config/ia64/t-glibc (LIB2ADDEH): Disable.
2489 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
2491 2001-04-04 Richard Henderson <rth@redhat.com>
2493 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
2494 * configure: Rebuilt.
2496 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2498 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
2499 push insns to delete to it instead of deleting them.
2500 (delete_null_pointer_checks): Delete insns from delete_list after
2501 all delete_null_pointer_checks_1 passes are done.
2503 2001-04-04 Richard Henderson <rth@redhat.com>
2505 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
2506 * configure: Rebuilt.
2508 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2510 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
2511 * config/romp/xm-romp.h: Delete.
2513 2001-04-04 Bernd Schmidt <bernds@redhat.com>
2515 * sched-deps.c (sched_analyze_insn): Partially revert March 27
2518 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2520 * emit-rtl.c (mark_label_nuses) Increment the label uses for
2521 all labels present in rtx.
2522 (try_split) Call new function for all split insns.
2524 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2526 * recog.c (validate_replace_rtx_1): Instead of aborting just make
2527 sure the change won't be validated.
2529 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
2531 * rtl.h (set_noop_p): Declare.
2532 * flow.c (set_noop_p): Move from here ...
2533 * rtlanal.c (set_noop_p): ... to here and enhance.
2534 * cse.c (delete_trivially_dead_insns): Use it.
2535 * gcse.c (hash_scan_set): Likewise.
2536 * jump.c (delete_noop_moves): Likewise.
2537 * recog.c (split_all_insns): Likewise.
2539 2001-04-04 Alan Modra <alan@linuxcare.com.au>
2541 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
2542 stack pointer via a LO_SUM. Ditto for setting a temp register
2543 used to save to the stack. Set cfa_temp when setting fp, and
2544 allow matches to cfa_temp in addition to cfa_store when saving
2545 regs. Handle POST_INC and LO_SUM register stores. Document the
2546 changes and errors in rule 12 doco.
2548 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
2549 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
2550 (load_reg): Move closer to epilogue code.
2551 (DO_FRAME_NOTES): Define to control the following..
2552 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
2553 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
2555 (hppa_expand_epilogue): Likewise.
2557 2001-04-03 Richard Henderson <rth@redhat.com>
2559 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
2560 * configure: Rebuild.
2562 2001-04-03 Richard Henderson <rth@redhat.com>
2564 * rtl.h (LCT_THROW): New.
2565 * calls.c (emit_library_call_value_1): Handle it.
2566 * except.c (connect_post_landing_pads): Use it.
2568 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2570 * gansidecl.h: Delete file.
2571 * configure.in: Change all refs to gansidecl.h to use
2572 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
2574 * configure: Regenerate.
2576 * Makefile.in (intl.o): Don't depend on gansidecl.h.
2577 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
2578 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
2579 Don't include gansidecl.h.
2580 * intl.c, main.c, version.c, fixinc/fixlib.h,
2581 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
2584 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2586 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
2589 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2591 * config/i386/xm-beos.h, config/i386/xm-isc.h,
2592 config/i386/xm-next.h, config/i386/xm-sco.h,
2593 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
2594 config/m88k/xm-m88k.h: Delete.
2596 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
2597 * config/romp/xm-romp.h: Don't define bcopy.
2598 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
2599 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
2601 * config.gcc: Remove references to deleted files.
2603 14 xm-host.h remain, 1 xm-cpu.h.
2605 2001-04-03 Jakub Jelinek <jakub@redhat.com>
2606 David S. Miller <davem@pierdol.cobaltmicro.com>
2607 Andrew MacLeod <amacleod@redhat.com>
2609 Use byte offsets in SUBREGs instead of words.
2611 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
2612 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
2613 to pass new argument.
2614 (add_stored_regs): Use subreg_regno_offset function.
2615 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
2617 (precompute_arguments): Use gen_lowpart_SUBREG.
2618 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
2619 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
2620 (simplify_set): Rework to use SUBREG_BYTE.
2621 (expand_field_assignment): Use SUBREG_BYTE.
2622 (make_extraction): Use SUBREG_BYTE.
2623 (if_then_else_cond): Use SUBREG_BYTE.
2624 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
2625 (gen_lowpart_for_combine): Compute full byte offset.
2626 * cse.c (mention_regs): Use SUBREG_BYTE.
2627 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
2628 (canon_hash): Use SUBREG_BYTE.
2629 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
2630 (gen_lowpart_if_possible): Formatting.
2631 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
2633 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2634 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2635 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2636 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2637 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2638 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2639 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
2640 certain invariants about SUBREGs the compiler creates.
2641 (gen_lowpart_SUBREG): New function.
2642 (subreg_hard_regno): New function to get the final register number.
2643 (gen_lowpart_common): Use SUBREG_BYTE.
2644 (gen_imagpart): Spacing nits.
2645 (subreg_realpart_p): Use SUBREG_BYTE.
2646 (gen_highpart): Use SUBREG_BYTE.
2647 (subreg_lowpart_p): Always compute endian corrected goal offset,
2648 even at the byte level, then compare against that.
2649 (constant_subword): New function, pulled out all constant cases
2650 from operand_subword and changed second argument name to offset.
2651 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
2652 and call constant_subword to do the work. Return const0_rtx if
2653 looking for a word outside of OP.
2654 (operand_subword_force): Change second arg name to offset.
2655 * expmed.c (store_bit_field): Use SUBREG_BYTE.
2656 (store_split_bit_field): Use SUBREG_BYTE.
2657 (extract_bit_field): Use SUBREG_BYTE.
2658 (extract_split_bit_field): Use SUBREG_BYTE.
2659 (expand_shift): Use SUBREG_BYTE.
2660 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
2661 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
2662 * flow.c (set_noop_p): Use SUBREG_BYTE.
2663 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
2664 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
2665 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
2667 (optimize_bit_field): Use SUBREG_BYTE.
2668 (purge_addressof_1): Use SUBREG_BYTE.
2669 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
2670 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
2671 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
2672 * gengenrtl.c (special_rtx): Add SUBREG.
2673 * global.c (mark_reg_store): Use SUBREG_BYTE.
2674 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
2675 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
2676 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
2677 final byte offset is congruent to subreg's mode size.
2678 (subst_constants): Use SUBREG_BYTE.
2679 (mark_stores): Use subreg_regno_offset function.
2680 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
2681 function and SUBREG_BYTE.
2682 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
2683 (reg_is_born): Use subreg_hard_regno.
2684 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
2685 endian correction code. Don't combine subregs unless resulting
2686 offset aligns with type. Fix subreg constant extraction for DImode.
2687 Simplify SUBREG of VOIDmode CONST_DOUBLE.
2688 (general_operand): Remove dead mode_altering_drug code.
2689 (indirect_operand): Use SUBREG_BYTE.
2690 (constrain_operands): Use subreg_regno_offset function.
2691 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
2692 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
2693 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
2694 * regs.h (REG_SIZE): Allow target to override.
2695 (REGMODE_NATURAL_SIZE): New macro which target can override.
2696 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
2697 on the entire subreg rtx.
2698 (push_reload): Use SUBREG_BYTE in comments and code.
2699 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
2700 for hard registers inside subregs.
2701 (operands_match_p): Use subreg_regno_offset.
2702 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
2703 containing hard regs.
2704 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
2705 corrections when fixing up MEM subregs.
2706 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
2707 subreg_regno_offset where appropriate.
2708 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
2709 byte endian corrections when fixing up MEM subregs.
2710 (subst_reloads): When combining two subregs, make sure final
2711 offset is congruent to subreg's mode size.
2712 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
2713 (refers_to_regno_for_reload_p): Use subreg_regno.
2714 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
2715 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
2716 correction code for memory subreg fixups.
2717 (forget_old_reload_1): Use subreg_regno_offset.
2718 (choose_reload_regs): Use subreg_regno.
2719 (emit_input_reload_insns): Use SUBREG_BYTE.
2720 (reload_combine_note_store): Use subreg_regno_offset.
2721 (move2add_note_store): Use subreg_regno_offset.
2722 * resource.c (update_live_status, mark_referenced_resources): Use
2723 subreg_regno function.
2724 (mark_set_resources): Use subreg_regno function.
2725 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
2726 (subreg_regno_offset, subreg_regno): Define prototypes.
2727 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
2728 (gen_lowpart_SUBREG): Add prototype.
2729 * rtl.texi (subreg): Update to reflect new byte offset representation.
2730 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
2731 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
2732 (reg_overlap_mentioned_p): Use subreg_regno.
2733 (replace_regs); Make sure final offset of combined subreg is
2734 congruent to size of subreg's mode.
2735 (subreg_regno_offset): New function.
2736 (subreg_regno): New function.
2737 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
2738 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
2739 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
2740 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
2741 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
2742 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
2743 (a29k_get_reloaded_address): Use SUBREG_BYTE.
2744 (print_operand): Use SUBREG_BYTE.
2745 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
2746 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
2747 (arm_reload_out_hi): Use SUBREG_BYTE.
2748 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
2749 instead of SUBREG_WORD.
2750 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
2751 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
2752 SUBREG creation to use byte offset.
2753 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
2754 inverted load insns): Fix explicit rtl subregs to use byte
2756 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
2757 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
2758 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
2759 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
2760 to use byte offsets.
2761 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
2762 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
2763 offsets, also make sure it is congruent to SUBREG's mode size.
2764 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
2765 unnamed ldob insn): Generate SUBREGs with byte offset.
2766 (zero_extendqihi2): SUBREG's are byte offsets.
2767 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
2768 (m68hc11_gen_highpart): Use SUBREG_BYTE.
2769 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
2770 zero-extendqisi2): Generate SUBREGs with byte offset.
2771 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
2772 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
2773 subregs in rtl to use byte offsets.
2774 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
2775 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
2776 (mips_move_2words): Use subreg_regno_offset.
2777 (mips_secondary_reload_class): Use subreg_regno_offset.
2778 * config/mips/mips.md (DImode plus, minus, move, and logical op
2779 splits): Fixup explicit subregs in rtl to use byte offsets.
2780 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
2781 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
2782 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
2783 rtl to use byte offsets.
2784 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
2785 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
2786 subregs to use byte offsets.
2787 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
2788 Fixup explicit subregs in rtl to use byte offsets.
2789 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
2790 and remove byte endian correction code.
2791 * config/sh/sh.c (output_movedouble): Use subreg_regno.
2792 (gen_ashift_hi): Use SUBREG_BYTE.
2793 (regs_used): Use subreg_regno_offset.
2794 (machine_dependent_reorg): Use subreg_regno_offset.
2795 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
2796 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
2797 (movdf_i4): Subregs are byte offsets now.
2798 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
2799 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
2800 (REGMODE_NATURAL_SIZE): Override.
2801 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
2802 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
2804 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
2805 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
2806 extendqidi2): Generate SUBREGs with byte offsets, also make sure
2807 it is congruent to SUBREG's mode size.
2808 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
2810 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
2811 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
2812 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
2813 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
2814 * config/v850/v850.c (print_operand, output_move_double): Use
2815 subreg_regno function.
2817 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
2819 * configure.in (target_subdir): Use target_alias, not target.
2820 * configure: Rebuilt.
2822 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
2824 * config/sh/crti.asm: Fix typos in comments.
2826 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2828 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
2829 TARGET_FAST_INDIRECT_CALLS.
2830 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
2832 (return_addr_rtx): Short circuit export stub matching when
2833 TARGET_NO_SPACE_REGS.
2834 (output_millicode_call): For out of range calls, make -fPIC
2835 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
2836 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
2837 * pa.md: Modify length attr calculation of all millicode insns to
2840 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
2842 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
2843 Require at least 2.11 in the version test. Specifically check
2844 for and reject GAS version 2.10.90.
2845 * configure: regenerate.
2847 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2849 * pa.c (override_options): Remove PIC profiling warning.
2850 (hp_profile_labelno): Delete.
2851 (hp_profile_label_rtx): Delete.
2852 (hp_profile_label_name): Delete.
2853 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
2854 (output_function_prologue): Remove profiling code and all tests on
2855 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
2856 merge_sp_adjust_with_store can work for PIC and profiling.
2857 (hppa_expand_epilogue): Remove profile_flag test.
2858 (hppa_can_use_return_insn_p): Likewise.
2859 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
2860 cater for PROFILE_HOOK.
2861 (hppa_profile_hook): New function.
2862 * pa.h (FUNCTION_PROFILER): Now does nothing.
2863 (PROFILE_HOOK): Define.
2864 (hppa_profile_hook): Declare.
2865 (PROFILE_BEFORE_PROLOGUE): Delete.
2866 (ASM_OUTPUT_REG_PUSH): Delete.
2867 (ASM_OUTPUT_REG_POP): Delete.
2868 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
2869 r24. Accept function name operand, and use this and a locally
2870 generated label to calculate pc-rel offset to func start.
2872 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2874 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
2875 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
2878 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2880 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
2881 LO_SUM cases to where they belong.
2883 2001-04-02 Richard Henderson <rth@redhat.com>
2885 * except.h (lang_eh_type_covers): Mark extern.
2886 (lang_eh_runtime_type): Likewise.
2888 2001-04-02 Zack Weinberg <zackw@stanford.edu>
2890 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
2891 gengenrtl.c: Wrap generated header in multiple-include guard.
2892 Improve error checking.
2894 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2896 * configure.in: Don't check for putenv.
2897 * configure: Regenerate.
2898 * gcc.c (putenv): Don't define.
2899 * vax/xm-vms.h: Handle putenv.
2901 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2903 * ifcvt.c (noce_emit_move_insn): New.
2904 (noce_try_store_flag, noce_try_store_flag_constants,
2905 noce_try_store_flag_inc, noce_try_store_flag_mask,
2906 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
2907 noce_try_abs): Use it.
2908 (noce_process_if_block): Likewise.
2909 For STRICT_LOW_PART, take mode from its SUBREG.
2911 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2913 * fold-const.c (fold): Before optimizing unsigned comparison with
2914 0x7fffffffU, make sure arg0 is integral type.
2916 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
2918 * c-tree.texi: Document representation of wide strings.
2920 2001-04-01 Richard Henderson <rth@redhat.com>
2922 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
2924 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
2926 * i386.md: remove obsoleted comments.
2927 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
2928 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
2929 fix output template.
2931 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
2933 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
2935 2001-03-30 Bernd Schmidt <bernds@redhat.com>
2937 * loop.c (load_mems): When generating a load from a pseudo, update
2940 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2942 * i386.c (ix86_split_long_move): Use change address to compensate
2943 stack pointer change in push instruction.
2945 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2947 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
2948 instead of rtx_equal_p; fix the output template.
2950 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2952 * i386.c (ix86_expand_setcc): Support 64bit.
2953 (ix86_expand_int_movcc): Likewise.
2954 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
2957 * i386.md (allocate_stack_worker): Turn to expander.
2958 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
2960 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
2962 2001-03-29 Richard Henderson <rth@redhat.com>
2964 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
2966 2001-03-28 Matthew Hiller <hiller@redhat.com>
2968 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
2971 * MAINTAINERS: Added self.
2973 2001-03-28 Richard Henderson <rth@redhat.com>
2975 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
2976 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
2978 2001-03-28 Jim Wilson <wilson@redhat.com>
2980 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
2983 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2985 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
2987 * tradcif.y (yyerror): Likewise. Add format specifier in call to
2990 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
2992 2001-03-28 DJ Delorie <dj@redhat.com>
2994 * Makefile.in (stage1_build): Revert CFLAGS patch.
2996 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
2998 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
2999 when multiplier or multiplicand is zero.
3001 2001-03-28 Bernd Schmidt <bernds@redhat.com>
3003 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
3005 * config/ia64/ia64.c (update_set_flags): New function, broken out of
3007 (set_src_needs_barrier): Likewise.
3008 (rtx_needs_barrier): For SET case, use these two functions. Rework
3009 PARALLEL case to handle all inputs before all outputs.
3010 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
3011 saw a label and no stop bit since then.
3012 (maybe_rotate, process_epilogue): Add prototypes.
3014 2001-03-28 Richard Henderson <rth@redhat.com>
3016 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
3017 not TARGET_TOC for special toc restore handling.
3018 * config/rs6000/rs6000.md (eh_return): Likewise.
3020 2001-03-28 Richard Henderson <rth@redhat.com>
3022 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
3023 current_function_calls_eh_return.
3024 (output_function_epilogue): Handle eh_return.
3025 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
3026 (EH_RETURN_DATA_REGNO): New.
3027 (EH_RETURN_STACKADJ_RTX): New.
3028 (EH_RETURN_HANDLER_RTX): New.
3029 * config/sparc/sparc.md (call/short branch peepholes): Check
3030 can_throw_internal instead of in_same_eh_region.
3032 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
3033 for eh_return data registers.
3034 (rs6000_emit_prologue): Save eh_return data registers.
3035 (rs6000_emit_epilogue): Force inline restores if eh_return.
3036 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
3037 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
3038 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
3039 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
3040 the target uses one.
3041 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
3042 (return_eh_si, return_eh_di): Remove.
3043 (eh_return): New, from corpse of eh_epilogue.
3044 (eh_set_lr_si, eh_set_lr_di): New.
3046 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
3047 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
3048 True for pic register if current_function_calls_eh_return.
3049 (ix86_expand_epilogue): Change "emit_return" argument into "style".
3050 Handle eh_return requirements.
3051 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
3052 (EH_RETURN_STACKADJ_RTX): New.
3053 * config/i386/i386.md (exception_receiver): Remove.
3054 (eh_return, eh_return_1): New.
3055 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3057 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
3058 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
3059 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
3060 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
3061 (EH_RETURN_DATA_REGNO): New.
3062 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
3063 * config/alpha/alpha.md (eh_epilogue): Remove.
3064 (exception_receiver): Use $26 for ldgp input.
3065 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3067 2001-03-28 Richard Henderson <rth@redhat.com>
3069 * except.c: Rewrite entirely for IA-64 ABI exception handling.
3070 * except.h: Likewise.
3072 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
3073 (LIB2ADDEHDEP): New.
3074 (LIB2FUNCS_EH): Remove.
3075 (LIB2ADD): Remove LIB2ADDEH.
3076 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
3077 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
3078 (crt{begin,end}[S].o): Likewise.
3079 (except.o): Update includes.
3080 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
3081 (libgcc2_c_dep): Use LIB2ADDEHDEP.
3083 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
3084 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
3085 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
3086 * builtins.c (expand_builtin): Implement it.
3087 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
3088 * c-common.c (c_common_nodes_and_builtins): Declare it.
3089 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
3090 * calls.c (libfunc_nothrow): Remove.
3091 (emit_library_call_value_1): Don't call it.
3092 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
3093 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
3094 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
3095 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
3096 (current_funcdef_number): Globalize.
3097 (output_call_frame_info): Emit frame data if an lsda is needed.
3098 Generate augmentation for personality routine. Don't play with
3100 (dwarf2out_begin_prologue): Record funcdef_number.
3101 * dwarf2out.h (current_funcdef_number): Declare.
3102 * expr.c (expand_expr): Update for except.h name changes.
3103 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
3104 * expr.h (LTI_throw, LTI_rethrow): Remove.
3105 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
3106 (LTI_eh_rtime_match): Remove.
3107 (LTI_unwind_resume, LTI_eh_personality): Add.
3108 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
3109 * final.c (final): Don't call check_exception_handler_labels,
3110 init_insn_eh_region, or free_insn_eh_region.
3111 (final_scan_insn): Always emit debug labels for
3112 NOTE_INSN_EH_REGION notes.
3113 * flags.h (flag_new_exceptions): Remove.
3114 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
3115 (record_active_eh_regions): Remove.
3116 (count_basic_blocks): Check all instructions for REG_EH_REGION.
3117 Use can_throw_internal.
3118 (find_basic_blocks_1): Likewise.
3119 (move_stray_eh_region_notes): Remove.
3120 (find_label_refs): No eh_return_stub_label.
3121 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
3122 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
3124 (delete_unreachable_blocks): Don't track deleted handlers.
3125 (flow_delete_block): Use maybe_remove_eh_handler.
3126 (delete_eh_regions): Remove.
3127 (merge_blocks): Don't check for eh region match.
3128 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
3129 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
3130 (init_propagate_block_info): Disable dead frame store optimization
3131 when current_function_calls_eh_return.
3132 (dump_bb): Don't print eh_beg, eh_end.
3133 * function.c (fixup_var_refs): No catch_clauses.
3134 (expand_function_end): Likewise. Call expand_eh_return before
3135 the return register use. Call sjlj_emit_function_exit_after.
3136 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
3137 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
3138 * ifcvt.c (dead_or_predicable): Remove eh region check.
3139 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
3140 Don't check for EH vs parameters.
3141 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
3142 (expand_inline_function): Call duplicate_eh_regions.
3143 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
3144 (copy_insn_notes): Remap REG_EH_REGION notes.
3145 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
3146 * integrate.h (struct inline_remap): Add local_return_label.
3147 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
3148 check_exception_handler_labels, nor exception_optimize.
3149 (find_cross_jump): No EH region check.
3150 * optabs.c (init_optabs): Update for changed eh libfuncs.
3151 * rtl.def (RESX): New.
3152 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
3153 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
3154 checks. Update for except.h name changes.
3155 (expand_cleanups): Likewise.
3156 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
3157 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
3158 (compile_file): Call init_eh before init_optabs. Don't
3159 output_exception_table here.
3160 (rest_of_compilation): Call convert_from_eh_region_ranges,
3161 convert_to_eh_region_ranges, output_function_exception_table.
3162 Don't emit_eh_context.
3163 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
3164 (EXC_PTR_EXPR): New.
3166 * md.texi (eh_epilogue): Remove.
3167 (eh_return): Document.
3168 * tm.texi (EH_RETURN_DATA_REGNO): Document.
3169 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
3171 * eh-common.h: Remove file.
3172 * frame-dwarf2.c, frame.c, frame.h: Remove files.
3173 * libgcc2.c (L_eh): Remove.
3175 * unwind-dw2-fde.c: New file, largely copied from frame.c.
3176 * unwind-dw2-fde.h: New file.
3177 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
3178 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
3179 * libgcc-std.ver: Update for eh symbols.
3181 2001-03-27 Richard Henderson <rth@redhat.com>
3183 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
3184 reduce false positives.
3185 (regmove_optimize): Disable if flag_non_call_exceptions.
3187 * stmt.c (expand_return): Remove always true predicate.
3188 (expand_decl_cleanup_no_eh): Remove dead code.
3190 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
3191 barrier code. Add a scheduling barrier if a non-call insn
3192 can throw internally.
3194 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
3195 Auto-inc addresses trap only if their base register does.
3197 * except.c (can_throw_internal): Rename from can_throw.
3198 * except.h, resource.c: Update references.
3200 * integrate.c (copy_insn_list): Use returnjump_p.
3201 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
3203 * function.h (struct function): Move all boolean valued fields
3204 to single bit fields at the end of the struct.
3206 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
3208 Rename asynchronous_exceptions to flag_non_call_exceptions.
3210 * gthr-single.h (UNUSED): New. Distinguish between how C
3211 and C++ mark unused function arguments. Use throughout.
3213 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
3214 value to target configuration header.
3215 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
3216 * config.in, configure: Rebuild.
3217 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
3218 configuration and target defines.
3219 (exceptions_via_longjmp): Remove.
3220 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
3221 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
3223 * except.h (flag_non_call_exceptions): Move ...
3224 * flags.h: ... here.
3226 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
3227 exceptions, put the note on the trapping instruction.
3229 * flags.h (flag_new_exceptions): Remove.
3230 * toplev.c: Don't set it.
3231 * final.c: Don't check it.
3232 * except.c: Provide stub definition.
3234 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
3235 (calculate_global_regs_live): Kill call-clobbered registers
3236 across exception edges.
3237 * reg-stack.c (convert_regs_1): Kill the entire target stack
3238 across non-call exception edges.
3240 * flow.c (cleanup_cfg): Take no argument.
3241 * output.h, sibcall.c, toplev.c: Update all calls.
3243 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3245 * configure.in: Don't check for bcopy.
3246 * configure, config.in: Regenerate.
3248 * system.h: Don't define or prototype bcopy, instead poison it.
3250 2001-03-27 Richard Henderson <rth@redhat.com>
3252 * function.c (expand_function_start): Set DECL_REGISTER on
3253 a pseudo used for DECL_RESULT.
3255 * rtl.h (LCT_NORETURN): New.
3256 * calls.c (emit_library_call_value_1): Handle it.
3258 2001-03-27 Stan Shebs <shebs@apple.com>
3260 * objc/objc-act.c (objc_init): Use dump_base_name.
3261 (gen_declaration): Clear the buffer arg.
3262 (gen_declaration_1): New function, body of gen_declaration.
3263 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
3264 (gen_method_decl): Ditto, plus always clear buffer arg.
3265 (error_with_ivar): Simplify.
3266 (warn_with_method): Ditto.
3267 (build_message_expr): Don't clear buffers.
3268 (dump_interface): Ditto.
3269 (objc_debug): Ditto.
3270 (build_keyword_selector): Clear the buffer by only zeroing
3272 (objc_implementation_context): Declare.
3273 (start_class): Warn about missing @end.
3274 (finish_objc): Ditto.
3276 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
3278 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
3280 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3282 * Makefile.in (SYSTEM_H): Define.
3283 Depend on $(SYSTEM_H), not system.h.
3285 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
3287 2001-03-27 Jim Wilson <wilson@redhat.com>
3289 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
3291 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
3292 (process_epilogue): New static function.
3293 (process_set): Call process_epilogue instead of emitting .restore
3295 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
3297 * flow.c (struct reg_cond_life_info): New fields orig_condition
3299 (init_propagate_block_info): Set new fields.
3300 (mark_regno_cond_dead): Set and use new fields.
3301 (flush_reg_cond_reg_1): Likewise.
3302 (and_reg_cond, case AND): Check for redundant AND conditions.
3303 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
3306 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
3308 * cppmacro.c (stringify_arg): Null terminate strings.
3310 2001-03-27 Zack Weinberg <zackw@stanford.edu>
3312 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
3313 inclusion style. xm-m68hc11.h no longer exists.
3314 * config/m68hc11/xm-m68hc11.h: Delete file.
3315 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
3317 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
3318 Don't define GCC_VERSION, N_, or PARAMS; don't include
3319 gansidecl.h or stdio.h. Define inhibit_libc here.
3320 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3321 Delete code conditioned on #if GCC_VERSION == 2095.
3323 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
3324 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3325 Delete code conditioned on #if GCC_VERSION == 2095.
3327 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3329 * system.h: Include symcat.h.
3330 (STRINGIFY): Don't define.
3332 * configure.in: Adjust comment.
3334 * builtins.c: Use STRINGX, not STRINGIFY.
3335 * gencheck.c: Likewise.
3336 * gengenrtl.c: Likewise.
3337 * protoize.c: Likewise.
3339 * cpplex.c: Don't include symcat.h.
3340 * cpplib.c: Likewise.
3342 * gansidecl.h (HAVE_STRINGIZE): Don't define.
3344 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3346 * c-typeck.c (digest_init): Fold init expression.
3348 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3350 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
3352 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3354 * except.c (eh_regs): Save results of build_pointer_type to a temp
3355 as FUNCTION_VALUE macro may evaluate its args multiple times.
3357 2001-03-26 Mark Mitchell <mark@codesourcery.com>
3359 * c-common.h (DECL_NUM_STMTS): New macro.
3360 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
3362 (pushdecl): Likewise.
3363 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
3364 * integrate.c (expand_inline_function): Don't check
3366 * print-tree.c (print_node): Don't print it.
3367 * toplev.c (rest_of_compilation): Don't try to inline when
3368 flag_no_inline is on.
3369 * tree.h (DECL_FRAME_SIZE): Remove.
3370 (tree_decl): Adjust accordingly.
3372 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3374 * combine.c (try_combine): Use memcpy, not bcopy.
3376 * genattrtab.c (expand_units): Likewise.
3378 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3380 * i386.md (push mem DI peep2): New.
3381 (mov 0, mov -1 peep2): Handle 64bit.
3382 (lea to arithmetics peep2): Handle 64bit leas.
3383 (rsp arithmetics to push/pop peep2s): New.
3385 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
3387 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
3389 * i386.c (struct machine_function): Add save_varrargs_registers.
3390 (ix86_save_varrargs_registers): New macro.
3391 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
3392 (ix86_expand_prologue): Likewise.
3393 (ix86_emit_epilogue_esp_adjustement): Likewise.
3394 (ix86_expand_epilogue): Likewise.
3395 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
3396 (pro_epilogue_adjust_stack_1): New insn.
3397 (pro_epilogue_adjust_stack_rex64): Likewise.
3398 * i386.h (MASK_NO_RED_ZONE): New constant.
3399 (TARGET_RED_ZONE): New macro.
3400 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
3401 (RED_ZONE_SIZE): New constant.
3402 (RED_ZONE_RESERVE): New constant.
3404 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3406 * toplev.c (set_float_handler): Use memcpy, not bcopy.
3408 2001-03-25 Kazu Hirata <kazu@hxi.com>
3410 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
3413 (umodhi3): Likewise.
3416 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3418 * mkconfig.sh (DEFINES): Handle entries with '='.
3420 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
3421 Set xm_defines to MACRO=value instead.
3423 * i370/xm-mvs.h: Delete.
3425 * ns32k/xm-pc532-min.h: Likewise.
3427 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
3429 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
3431 use ix86_expand_binary_operator
3432 (?sh??i_?): Disable for 64bit.
3433 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
3434 * i386.c (shiftdi_operand): New predicate.
3436 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
3437 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
3438 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
3439 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
3440 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
3441 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
3442 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
3443 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
3444 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
3445 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
3446 (rotldi3, rotrdi3): New expanders.
3448 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3450 * i386.md (movstrsi): Move offline.
3452 (strmovdi_rex64): New.
3453 (strmov?i): Accept 64bit.
3454 (strmov?i_rex64): New.
3455 (strmov?i_rex_1): New.
3456 (strmov?i_1): Disable for 64bit.
3457 (rep_mov?i_rex64): New.
3458 (rep_mov?i): Disable for 64bit.
3459 (clrstrsi): Move offline.
3460 (strset?i_rex64): New.
3461 (strset?i: Accept 64bit.
3462 (rep_stos?i): Disable for 64bit.
3463 (rep_stos?i_rex64): New.
3464 (strset?i_rex_1): New.
3465 (strset?i_1): Disable for 64bit.
3466 (cmpstrsi): Accept 64bit.
3467 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
3468 (cmpstrqi_nz_rex_1): New.
3469 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
3470 (strlensi): Move offline.
3472 (strlenqi_1): Disable for 64bit; fix constraints.
3473 (strlenqi_rex_1): New.
3474 * i386.c (ix86_adjust_counter): New static function.
3475 (ix86_zero_extend_to_Pmode): Likewise.
3476 (ix86_expand_aligntest): Likweise.
3477 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
3478 (ix86_expand_movstr): New global function.
3479 (ix86_expand_clrstr): New global function.
3480 (ix86_expand_strlen): New global function.
3481 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
3482 ix86_expand_strlen): Declare.
3483 (ix86_expand_strlensi_unroll_1): Delete.
3485 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
3487 * i386.md (cmpdi): Fix operand predicates.
3488 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
3489 cmpdi_1_insn_rex64): New patterns.
3490 (adddi3): Turn to expander.
3491 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
3492 (addsi3_carry_zext): New pattern.
3493 (adddi_?_rex64): New patterns and splitters.
3494 (addsi_?_zext): New patterns.
3495 (subsi3_carry_zext): New pattern.
3496 (subdi_?_rex64): New patterns and splitters.
3497 (iorsi_?_zext): New patterns.
3498 (iordi_?_rex64): New patterns and splitters.
3499 (iorsi_?_zext): New patterns.
3500 (iorsi_?_zext_imm): New patterns.
3501 (xorsi_?_zext): New patterns.
3502 (xordi_?_rex64): New patterns and splitters.
3503 (xorsi_?_zext): New patterns.
3504 (negdi*): New patterns.
3505 (one_cmpldi*): Likewise.
3506 (one_cmplsi*_zext, negsi*_zext): Likewise.
3507 (testqi_ext_3_rex64): New pattern.
3509 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
3511 * i386-protos.h (ix86_split_long_move): Return void.
3512 * i386.c (ix86_split_to_parts): Handle 64bit target.
3513 (ix86_split_long_move): Likewise.
3514 * i386.md (all calls to ix86_split_long_move): Update.
3516 2001-03-23 Richard Henderson <rth@redhat.com>
3518 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
3519 to avoid shadowing arguments.
3521 2001-03-23 Jakub Jelinek <jakub@redhat.com>
3523 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
3524 to variable names where DECL_NAME is different from
3525 DECL_ASSEMBLER_NAME.
3527 2001-03-23 Jim Wilson <wilson@redhat.com>
3529 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
3530 (assemble_alias): Call make_decl_rtl.
3532 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
3534 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
3536 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
3538 * extend.texi: Document the "java_interface" attribute.
3540 2001-03-22 Zack Weinberg <zackw@stanford.edu>
3542 * mkconfig.sh: Use a subshell with redirected stdout,
3543 instead of closing stdout and confusing commands that run
3544 afterward. Throw away output of cmp.
3546 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
3548 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
3550 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
3552 * i386.md (zero_extendsidi2_32): Break out from ...
3553 (zero_extendsidi2): ... here ; turn to expander.
3554 (zero_extendsidi2_rex64): New.
3555 (extendsidi2_32): Break out from ...
3556 (extendsidi2): ... here ; turn to expander.
3557 (extendsidi2_rex64): New.
3558 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
3559 (trunc?f?f splitters): Add 64bit versions.
3561 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
3563 * i386.md (pushsi, pushsi2_prologue): Disable.
3564 (pushsi2_rex64): New.
3565 (movabs?i_1_rex64, movabs?i_2_rex64): New.
3566 (movqi_ext_1): Disable for 64bit.
3567 (movqi_ext_1_rex64): New.
3568 (pushdi2_rex64): New pattern, peep2s and splitter.
3569 (pushdi2_prologue_rex64): New pattern.
3570 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
3572 (movdi splitters): Disable for 64bit.
3573 (movdi_1_rex64): New pattern, peep2s and splitters.
3574 (swapdi): New pattern.
3575 (pushsf): Disable for 64bit.
3576 (pushsf_rex64): New pattern and splitter.
3577 (pushdf_nointeger): Disable for 64bit.
3578 (pushdf_integer): Handle the 64bit case.
3579 (pushtf): Likewise; update splitters.
3581 2001-03-22 Richard Henderson <rth@redhat.com>
3583 * mkconfig.sh: Include insn-flags.h.
3584 * Makefile.in (CONFIG_H): Include insn-flags.h.
3585 (lots of objects): Remove insn-codes.h and insn-flags.h.
3587 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
3588 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
3589 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
3590 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
3591 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
3592 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
3593 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
3594 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
3595 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
3596 v850/v850.c, vax/vax.c:
3597 Don't include insn-flags.h.
3599 * diagnostic.c, expr.h, reload.c, toplev.c:
3600 Don't include insn-codes.h.
3602 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
3603 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
3604 c4x/c4x.c, i960/i960.c, mips/mips.c:
3605 Don't include insn-codes.h or insn-flags.h.
3607 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
3608 or insn-flags.h in the generated code.
3609 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
3610 (main): Forward declare struct rtx_def.
3612 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
3614 * invoke.texi (-ffast-math): Remove duplicate line about
3617 * gcc.texi: Remove more obsolete documentation of bugs and
3618 installation problems.
3620 2001-03-21 Kazu Hirata <kazu@hxi.com>
3622 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
3625 2001-03-20 Jason Merrill <jason@redhat.com>
3627 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
3629 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
3630 * varasm.c (CHKR_PREFIX): Likewise.
3632 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3634 * gcse.c (hash_scan_set): An expression is not anticipatible if it
3635 is part of a multi-SET insn.
3637 * cse.c (find_comparison_args): Remove previous change.
3638 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
3641 * config/i386/i386.md (conditional_trap): Remove warning.
3643 * recog.c (push_operand): Fix error in last change that caused
3644 undefined symbol on many targets.
3646 * sdbout.c: #include ggc.h.
3647 (sdbout_init): Move to end of file.
3648 Call ggc_add_tree_root for anonymous_types.
3649 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
3650 (sdbout_one_type): Use DECL_NAME for field name.
3651 * Makefile.in (sdbout.o): Show includes ggc.h.
3653 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
3655 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
3656 (override_options): Use properlimits for preferred_stack_boundary.
3657 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
3659 (ext_register_operand): Accept DImode.
3660 (load_pic_register): Abort on 64bit.
3661 (gen_push): Use Pmode instead of SImode.
3662 (ix86_save_reg): Pic reg is never used on 64bit.
3663 (ix86_expand_prologue): Likewise.
3664 (ix86_emit_save_regs): Use Pmode instead of SImode.
3665 (legitimate_address_p): Check displacement for 64bit.
3666 (print_operand): Avoid outputting of (%rip) on 64bit.
3667 (print_operand_address): Output (%rip) where possible.
3668 (split_di): Abort on 64bit registers.
3669 (ix86_expand_branch): DImode comparison is simple for x86_64.
3670 (memory_address_length): Recognize memory addresses formed using
3672 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
3674 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
3676 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
3678 * recog.c (push_operand): Recognize new format of push instructions.
3680 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
3682 * i386.md (pushqi1): New.
3683 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
3684 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3685 x86_64_immediate_operand, x86_64_immediate_operand,
3686 x86_64_zext_immediate_operand): Declare.
3687 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
3688 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3689 x86_64_immediate_operand, x86_64_immediate_operand,
3690 x86_64_zext_immediate_operand): define.
3691 * i386.h (PREDICATE_CODES): Add new predicates.
3693 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
3695 * i386.md (pophi1, popqi1, pushqi1): Remove.
3697 * expr.c (emit_single_push_insn): New function.
3698 (move_by_pieces): Accept NULL as destination for push instructions.
3699 (gen_push_operand): Kill.
3700 (emit_push_insn): Pass NULL when pushing; avoid updating of
3701 stack_pointer_delta.
3702 * expr.h (gen_push_operand): Kill.
3704 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3706 * rtl.texi (COMPARE): Clarify documentation and reference section
3709 2001-03-20 Stan Shebs <shebs@apple.com>
3711 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
3712 (get_object_reference): Ditto.
3713 (error_with_ivar): Use error_with_file_and_line.
3714 (warn_with_method): Use warning_with_file_and_line.
3716 2001-03-20 Tom Tromey <tromey@redhat.com>
3718 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
3720 2001-03-20 Mark Mitchell <mark@codesourcery.com>
3722 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
3723 variables that are TREE_PUBLIC, even if not TREE_STATIC.
3725 2001-03-20 DJ Delorie <dj@redhat.com>
3727 * Makefile.in (install-libgcc): Pass complete list of variables.
3728 (install-multilib): Ditto.
3730 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3732 * config/i386/cygwin.h: Declare ctor_section, dtor_section
3733 drectve_section, switch_to_section.
3735 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
3736 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
3737 i386_pe_mark_dllimport.
3739 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3741 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
3742 functions i386_pe_*.
3744 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
3745 i386_pe_* functions with char * arguments.
3747 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
3749 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
3751 (movsi_ie): Introduce fpul store.
3753 2001-03-20 Alan Modra <alan@linuxcare.com.au>
3755 * Makefile.in (OBJS): Remove hashtab.o.
3757 2001-03-19 Stan Shebs <shebs@apple.com>
3759 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
3760 * c-lang.c (maybe_objc_method_name): Ditto.
3761 * c-tree.h (maybe_objc_method_name): Remove decl.
3763 2001-03-19 Tom Tromey <tromey@redhat.com>
3765 * gcc.c (init_gcc_specs): Fix comment.
3767 2001-03-19 Mark Mitchell <mark@codesourcery.com>
3769 Compute DECL_ASSEMBLER_NAME lazily.
3770 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
3771 (DECL_ASSEMBLER_NAME_SET_P): New macro.
3772 (SET_DECL_ASSEMBLER_NAME): Likewise.
3773 (COPY_DECL_ASSEMBLER_NAME): Likewise.
3774 (set_decl_assembler_name): Declare.
3775 (lang_set_decl_assembler_name): Likewise.
3776 * tree.c (lang_set_decl_assembler_name): New variab.e
3777 (set_decl_assembler_name): New function.
3778 (init_obstacks): Set lang_set_decl_assembler_name.
3779 (build_decl): Don't set DECL_ASSEMBLER_NAME.
3780 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
3781 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
3782 where it's not necessary.
3783 (builtin_function): Likewise.
3784 (finish_decl): Likewise.
3785 * dbxout.c (dbxout_type_methods): Likewise.
3786 * ggc-common.c (ggc_mark_trees): Likewise.
3787 * profile.c (output_func_start_profiler): Likewise.
3788 * varasm.c (make_decl_rtl): Likewise.
3790 * cse.c (find_comparison_args): Update documentation. Fix
3791 mishandling of COMPARE operations.
3793 * tree.def (ABS_EXPR): Add documentation.
3794 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3796 2001-03-19 Zack Weinberg <zackw@stanford.edu>
3798 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
3800 2001-03-19 Jakub Jelinek <jakub@redhat.com>
3802 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
3803 Remove ia32 linux PIC kludge and move it...
3804 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
3806 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
3808 * i386.md (absdf2 expander): Fix 64bit case.
3810 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
3812 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
3814 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
3816 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
3818 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3820 * README.X11: Remove obsolete file.
3822 2001-03-18 Anthony Green <green@redhat.com>
3824 * config/pj/pj.h: Remove some trailing commas.
3825 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
3827 2001-03-18 Richard Henderson <rth@redhat.com>
3829 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
3830 * calls.c: ... here.
3831 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
3832 defaults for them here.
3834 2001-03-17 Anthony Green <green@redhat.com>
3836 * config/pj/lib1funcs.S: Fix broken comment.
3837 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
3840 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
3842 * gcc.texi: Remove obsolete information relating to build and
3843 installation problems with enquire or the Pyramid C compiler.
3845 2001-03-17 Richard Henderson <rth@redhat.com>
3847 * dwarf2out.c (queue_reg_save): New.
3848 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
3849 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
3851 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
3852 (cfa, cfa_store, cfa_temp): Make static.
3853 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
3855 2001-03-17 Richard Henderson <rth@redhat.com>
3857 * integrate.h (struct inline_remap): Add local_return_label.
3858 * integrate.c (expand_inline_function): Initialize it and emit
3859 it after copy_insn_notes.
3860 (copy_insn_list): Don't store local_return_label here.
3861 (copy_insn_notes): New function split out from copy_insn_list.
3863 2001-03-17 Richard Henderson <rth@redhat.com>
3865 * dwarf2out.c (lookup_filename): Emit .file if the assembler
3866 is generating .debug_line.
3867 (dwarf2out_init): Add main_input_filename to the file table first.
3868 * configure.in (as_dwarf2_debug_line): Test with file number 1
3869 instead of file number 0.
3871 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3873 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
3874 (gen_rtx_combine): Deleted; all references changed as appropriate.
3875 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
3877 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
3879 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
3881 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
3884 2001-03-16 Jim Wilson <wilson@redhat.com>
3886 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
3887 then set it to LOC_REG (79) instead of aborting.
3889 2001-03-16 Phil Edwards <pme@sources.redhat.com>
3891 * gccbug.in: Remove high priority.
3893 2001-03-16 Richard Henerson <rth@redhat.com>
3895 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
3896 output with a space instead of deleting it.
3897 * configure: Regenerate.
3899 2001-03-16 Zack Weinberg <zackw@stanford.edu>
3901 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
3902 handles the gory details of converting an object file into
3903 something that's safe to grep.
3904 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
3905 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
3906 newlines at either end of the string we're looking for.
3907 Make 'checking ...' message less stilted.
3908 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
3909 ARM in-memory layout and its hypothetical converse. Don't
3910 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
3911 HOST_WORDS_BIG_ENDIAN.
3913 * configure.in: Adjust for renamed macro. Move
3914 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
3915 * configure, config.in: Regenerate.
3917 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3919 * fixinc/Makefile.in: Set SHELL.
3921 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3923 * fixinc/fixincl.c (fix_with_system): Quote file names before
3924 passing them to shell.
3926 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3928 * Makefile.in: Use fix-header$(build_exeext) instead
3931 2001-03-16 Richard Henderson <rth@redhat.com>
3933 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
3934 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
3935 (size_of_line_prolog): Remove.
3936 (output_line_info): Compute prologue size via label difference.
3937 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
3939 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
3940 assembler error when redefining file numbers.
3941 * config.in, configure: Rebuild.
3943 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
3944 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
3945 (dw2_asm_output_delta_uleb128): Likewise.
3946 (dw2_asm_output_delta_sleb128): Similarly.
3947 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
3949 2001-03-16 Michael Meissner <meissner@redhat.com>
3951 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
3953 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
3955 (BITMASK_LOWER16): Replacement for 0x0000ffff.
3957 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
3958 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
3959 being unsigned in ISO C and signed in traditional.
3960 (expand_prologue): Ditto.
3961 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
3963 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
3965 (divsi3,divdi3): Ditto.
3966 (modsi3,moddi3): Ditto.
3967 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
3968 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
3969 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
3972 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
3974 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
3975 SSE based conditional moves on LTGT/UNEQ conditions;
3976 Canonicalize EQ to NE.
3977 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
3978 (sse_mov?fcc_ne): New.
3980 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
3982 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3984 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
3985 register may be dead.
3987 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
3989 * Makefile.in (hash.o): Depend on CONFIG_H.
3991 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3993 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
3995 2001-03-15 Richard Henderson <rth@redhat.com>
3997 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
3998 (ASM_OUTPUT_DWARF_PCREL): New.
3999 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
4001 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4003 * cppfiles.c (stack_include_file): Use MAX of sysp.
4005 2001-03-15 Steve Ellcey <sje@cup.hp.com>
4007 * config.gcc (ia64*-*-hpux*): New case.
4008 * config/ia64/hpux.h: New file for HP-UX support.
4009 * config/ia64/t-hpux: New file for HP-UX support.
4011 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
4013 * fixinc/inclhack.def (irix_stdio_va_list): New.
4014 * fixinc/fixincl.x: Rebuilt.
4016 2001-03-15 Richard Henderson <rth@redhat.com>
4018 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
4019 if provided by the target.
4020 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
4021 (dw2_asm_output_addr): New.
4022 * dwarf2asm.h (dw2_asm_output_addr): Declare.
4023 * dwarf2out.c (output_cfi): Use it for program addresses.
4024 (output_call_frame_info, output_die): Likewise.
4025 (output_aranges, output_line_info): Likewise.
4027 2001-03-15 Bruce Korb <bkorb@gnu.org>
4029 * gcc.c(main): make more rigorous
4030 * collect2.c(main): guard against ignoring SIGCHLD
4031 * protoize.c(main): ditto
4032 * gcc/fixinc/fixincl.c(initialize): ditto
4034 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4036 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
4037 (sdbout_parms): Likewise.
4039 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
4041 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
4042 "widen" a destination that is already wider than a word. Also do
4043 not widen if LOAD_EXTEND_OP is NIL for the given mode.
4045 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4047 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
4049 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
4051 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
4053 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
4055 * i960.h (i960_maxbitalignment,
4056 i960_last_maxbitalignment): Declare.
4057 * i960.c (i960_maxbitalignment,
4058 i960_last_maxbitalignment): Make global.
4059 (process_pragma): Delete.
4060 (i960_pr_align, i960_pr_noalign): Move from here ...
4061 * i960-c.c: ... to this new file.
4062 * t-960bare (i960-c.o): New rule.
4063 * t-vxworks960 (i960-c.o): Likewise.
4064 * config.gcc (i960-*-*): Define c_target_objs and
4067 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4069 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
4070 without adding in rtx code and mode.
4072 * alias.c (init_alias_analysis): Don't use any rtx whose value
4073 varies as a known value.
4074 Delete a superfluous test.
4076 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
4078 (ia64_sched_reorder): Call maybe_rotate; also rotate after
4079 scheduling a stop bit.
4080 (ia64_emit_nops): Correctly handle ASMs.
4082 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4084 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
4086 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
4088 * cpp.texi: Update documentation for -include and -imacros.
4089 * cppfiles.c (struct include_file): Remove "defined" memeber.
4090 (find_or_create_entry): Make a copy of the file name, and
4092 (open_file): Update to ensure we use the simplified filename.
4093 (stack_include_file): Don't set search_from.
4094 (cpp_included): Don't simplify the path name here.
4095 (find_include_file): New prototype. Call search_from to
4096 get the start of the "" include chain. Don't simplify the
4098 (_cpp_execute_include): New prototype. Move diagnostics to
4099 do_include_common. Update.
4100 (_cpp_pop_file_buffer): Don't set defined.
4101 (search_from): New prototype. Use the preprocessor's cwd
4102 for files included from the command line.
4103 (read_name_map): Don't simplify the pathname here.
4104 * cpphash.h (enum include_type): New.
4105 (struct buffer): Delete search from. New search_cached.
4106 (_cpp_execute_include): Update prototype.
4107 * cppinit.c (do_includes): Use _cpp_execute_include.
4108 * cpplib.c (do_include_common): New function.
4109 (do_include, do_include_next, do_import): Use it.
4111 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4113 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
4114 contents of the RTL, to determine the name of the object.
4116 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4118 * tree.h (DECL_RTL): Allocate RTL lazily.
4119 (SET_DECL_RTL): New macro.
4120 (DECL_RTL_SET_P): Likewise.
4121 (COPY_DECL_RTL): Likewise.
4122 (DECL_RTL_IF_SET): Likewise.
4123 * varasm.c (make_decl_rtl): Add assertions about the kind of
4124 declaration we are processing.
4125 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
4126 (start_decl): Likewise.
4127 (finish_decl): Likewise.
4128 * c-semantics.c (emit_local_var): Likewise.
4129 * calls.c (expand_call): Likewise.
4130 * dbxout.c (dbxout_symbol): Likewise.
4131 * emit-rtl.c (unshare_all_rtl): Likewise.
4132 (unshare_all_decls): Likewise.
4133 (reset_used_decls): Likewise.
4134 * expr.c (store_constructor): Likewise.
4135 (safe_from_p): Likewise.
4136 (expand_expr): Likewise.
4137 * function.c (put_var_into_stack): Likewise.
4138 (instantiate_decls_1): Likewise.
4139 (assign_parms): Likewise.
4140 (expand_function_start): Likewise.
4141 (expand_function_end): Likewise.
4142 * ggc-common.c (gcc_mark_trees): Likewise.
4143 * integrate.c (function_cannot_inline_p): Likewise.
4144 (copy_decl_for_inlining): Likewise.
4145 (expand_inline_function): Likewise.
4146 (integrate_parm_decls): Likewise.
4147 (integrate_decl_tree): Likewise.
4148 * print-tree.c (print_node): Likewise.
4149 * reg-stack.c (stack_result): Likewise.
4150 * stmt.c (label_rtx): Likewise.
4151 (expand_return): Likewise.
4152 (expand_decl): Likewise.
4153 (expand_decl_cleanup): Likewise.
4154 (expand_anon_union_decl): Likewise.
4155 * toplev.c (check_global_declarations): Likewise.
4156 (rest_of_decl_compilation): Likewise.
4157 * tree.c (simple_cst_equal): Likewise.
4158 * objc/objc-act.c (generate_static_references): Likewise.
4160 2001-03-14 Zack Weinberg <zackw@stanford.edu>
4162 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
4163 gcc_AC_C_FLOAT_FORMAT): New macros.
4164 * configure.in: Add AC_PROG_CPP after CC tests;
4165 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
4166 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
4167 * configure, config.in: Regenerate.
4169 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
4170 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4171 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4172 config/i370/xm-linux.h, config/i370/xm-oe.h,
4173 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4174 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
4175 config/pa/xm-linux.h, config/pa/xm-pa.h,
4176 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
4177 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
4178 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
4179 config/we32k/xm-we32k.h: Delete.
4181 * config/i370/xm-mvs.h, config/m88k/m88k.h,
4182 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4183 config/vax/xm-vms.h: Don't define any of:
4184 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
4186 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
4188 * config.gcc: Remove references to deleted files.
4189 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
4190 FATAL_EXIT_CODE, which is the same between oe and mvs).
4192 2001-03-14 DJ Delorie <dj@redhat.com>
4193 Vladimir Makarov <vmakarov@redhat.com>
4195 * config/i960/i960.c (i960_function_prologue): Compute size of
4196 frame according to number of registers actually saved there.
4198 2001-03-14 Richard Henderson <rth@redhat.com>
4200 * expr.c (emit_move_insn_1): Fix else if around #endif.
4202 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
4205 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
4208 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
4210 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
4211 (override_options): Parse cmodel string.
4212 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
4213 * i386.h (TARGET_OPTIONS): Add "cmodel".
4214 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
4216 (ix86_cmodel_string, ix86_cmodel): Declare.
4218 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
4221 * i386.h (GENERAL_REG_P): Add missing REG_P.
4223 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
4225 * configure.in: Use $gcc_cv_as instead of $as.
4226 * configure: Regenerated.
4228 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
4230 * cppfiles.c (stack_include_file): Only increase the include
4231 count if we actually process the file properly, as opposed
4232 to treating it as length zero. Only call read_include_file
4233 if not DO_NOT_REREAD. Handle the -H include file output
4235 (read_include_file): Remove now redundant DO_NOT_REREAD check.
4236 (cpp_included, find_include_file): Simplify pathnames after
4237 remapping them. If remapping, don't use the remapped file
4238 name's buffer as our scratch buffer.
4239 (cpp_pop_file_buffer): Replace the multiple include macro
4240 only if it isn't yet set.
4241 (read_name_map): Simplify remapped names when reading in.
4242 (remap_filename): Move code to code path that uses it.
4243 (_cpp_simplify_pathname): Return the input pointer.
4244 * cpphash.h (_cpp_simplify_pathname): Update prototype.
4246 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4248 * expr.c (expand_expr): Revove bogus conditional.
4250 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
4252 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
4254 2001-03-14 Jakub Jelinek <jakub@redhat.com>
4256 * reg-stack.c (stack_result): Unconditionally use
4257 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
4259 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
4261 * expr.c (emit_move_insn_1): Split push of complex value when
4262 no suitable push instruction exist.
4264 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
4265 instead of QI_REG_P.
4267 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4269 * alias.c (handled_component_p, can_address_p): New functions.
4270 (get_alias_set): Use them.
4272 2001-03-13 Jim Wilson <wilson@redhat.com>
4274 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
4275 from 80 in try_locals code.
4276 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
4278 2001-03-13 Zack Weinberg <zackw@stanford.edu>
4280 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
4281 gcc_AC_C_LONG_LONG): New.
4282 * configure.in: Use them. Probe the size of short, int, long,
4283 and long long/__int64 if we have them. Move all the AC_C_*
4284 checks together, except gcc_AC_C_CHAR_BIT which has to go
4285 after AC_CHECK_HEADERS(limits.h).
4286 Take hwint.h out of host_xm_file and build_xm_file.
4288 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
4289 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
4290 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
4291 Move the HOST_WIDEST_INT setup logic here from system.h.
4292 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
4294 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
4295 is now handled by hwint.h.
4297 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
4298 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
4299 config/ia64/xm-ia64.h: Don't define any of:
4300 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
4301 HOST_BITS_PER_LONGLONG.
4303 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
4304 config/h8300/xm-h8300.h, config/mips/iris6.h,
4305 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
4306 config/sparc/xm-sp64.h: Delete.
4307 * config.gcc: Remove references to deleted files.
4309 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
4310 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
4311 * config/i370/xm-linux.h: Clarify floating-point situation in
4314 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
4316 * cppfiles.c (NO_INCLUDE_PATH): New macro.
4317 (find_include_file): Decide here which part of the include
4318 chain to start the search. Complain about an empty include
4319 chain in all cases apart from an abolsute file name.
4320 (_cpp_execute_include): Don't choose the search chain here.
4321 Don't call handle_missing_include in the case of an empty
4323 (_cpp_compare_file_date): Don't choose the search chain here.
4324 * cpplib.c (do_include_next): Move the in-main-file diagnostic
4325 here from _cpp_execute_include. Behave like #include if
4326 we're in the main file.
4328 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4330 * system.h (malloc, realloc, calloc, strdup): Only poison these
4331 tokens when IN_GCC is defined.
4333 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
4335 * i386.md (abs?f expander): Support SSE case.
4336 (abd?f_if): Add new "USE"; add splitters.
4338 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4340 * cpp.texi (poison): Explain the macro expansion exception.
4342 2001-03-13 Jakub Jelinek <jakub@redhat.com>
4344 * expr.c (store_expr): Add dont_store_target. If temp is already in
4345 target before copying to reg, don't store it into target again.
4347 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4349 * cppinternals.texi: Update for file handling.
4351 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4353 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
4354 2001-02-24 which broke building the Java library.
4355 * function.c (identify_blocks): Likewise.
4356 (all_blocks): Likewise.
4357 * integrate.c (integrate_decl_tree): Likewise.
4358 * print-tree.c (print_node): Likewise.
4359 * tree.h (BLOCK_NUMBER): Likewise.
4360 (struct tree_block): Likewise.
4362 2001-03-12 David Edelsohn <edelsohn@gnu.org>
4364 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
4365 __WCHAR_TYPE__ definition.
4366 (WCHAR_TYPE_SIZE): #undef before #define.
4368 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4370 * cppfiles.c: Update comments.
4371 (destroy_include_file_node): Rename destroy_node.
4372 (find_or_create_entry): New function.
4373 (open_file, _cpp_fake_include): Use it.
4374 (handle_missing_header): New function, broken out of
4375 _cpp_execute include. Don't segfault if there is no
4376 system or quoted path.
4377 (_cpp_execute_include): Use handle_missing_header.
4379 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4381 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
4382 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
4384 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4386 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
4387 unless anti_dependence says they are.
4388 * alias.c (objects_must_conflict): If neither has a type specified,
4391 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4392 David Billinghurst <David.Billinghurst@riotinto.com>
4394 * config/mips/iris5.h: Change WCHAR_TYPE to int.
4396 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
4398 * i386.md (trunctfdf2_2): Rename missnamed pattern.
4399 (*_one_bit): Remove type on the match_operand in attributes.
4401 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
4403 * i386.c: Commit forgotten hunk in previous patch.
4404 (regclass_map): Add extended registers.
4405 (dbx_register_map): Add missing frame register.
4407 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
4409 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
4411 * i386.md (x86_sahf_1): Disable for 64bit.
4412 (popsi*, pophi*): Likewise.
4413 (pushqi, pushhi): Likewise.
4414 (movdi, pushdi): Likewise.
4415 (zero extend DImode splitter): Likewise.
4416 (adddi, minusdi splitter): Likewise.
4417 (umulsidi): Likewise.
4419 (mulsidi): Disable for 64bit
4420 (lshift:DI/ashift:DI): Disable for 64bit.
4421 (loop patterns): Likewise.
4422 (call_pop, call_value_pop expanders and patterns): Likewise.
4423 (prologue_get_pc): Likewise.
4425 (fcmovDI pattern and splitter): Likewise.
4426 (movdfcc_1_rex64): New.
4428 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
4430 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
4431 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
4432 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
4433 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
4434 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
4435 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
4436 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
4437 (PUSH_ROUNDING): x86_64 rounds to 64bits.
4438 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
4439 (REGPARM_MAX): Set to 6 for x86_64.
4440 (SSE_REGPARM_MAX): Set to 16 for x86_64.
4441 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
4444 * (patterns that does use upper halves): Update constraints
4445 'q' to 'Q' and 'r' to 'R'.
4446 (cmpqi_ext_1): Disable for 64bit.
4447 (cmpqi_ext_3_insn): Likewise.
4448 (movqi_extzv_1): Likewsie.
4449 (addqi_ext_1): Liekwsie
4450 (testqi_ext_1): Liekwsie
4451 (andqi_ext_1): Liekwsie
4452 (xorqi_ext_1): Liekwsie
4453 (cmpqi_ext_1_rex64): New.
4454 (cmpqi_ext_3_insn_rex64): Likewise.
4455 (movqi_extzv_1_rex64): Likewsie.
4456 (addqi_ext_1_rex64): Liekwsie
4457 (testqi_ext_1_rex64): Liekwsie
4458 (andqi_ext_1_rex64): Liekwsie
4459 (xorqi_ext_1_rex64): Liekwsie
4461 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4463 * configure.in: Move check for unsigned enumerated bitfields
4464 to macro in aclocal.m4. Disable it for now.
4465 * configure, config.in: Regenerate.
4466 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
4467 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
4468 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
4469 kind above its first use.
4471 * config/xm-interix.h, config/alpha/xm-alpha.h,
4472 config/i370/xm-linux.h, config/i386/xm-beos.h,
4473 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
4474 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4475 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
4476 Don't define ONLY_INT_FIELDS under any circumstances.
4478 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
4480 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4481 config/sparc/xm-sysv4.h: Delete - now identical with some
4483 * config.gcc (hppa targets): Replace xm-pahpux.h and
4484 xm-papro.h with implicit xm-pa.h.
4485 (sparc targets): Replace xm-sysv4.h with implicit or explicit
4488 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
4490 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
4491 before reload_cse_noop_set_p.
4493 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4495 * config.gcc: Where xm-host.h used to include another
4496 xm-host.h, list the nested header directly in xm_file. Remove
4497 references to deleted files. Can now use sparc/xm-sp64.h for
4500 * config/xm-linux.h, config/arm/xm-linux.h,
4501 config/i386/xm-dos.h, config/i386/xm-gnu.h,
4502 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
4503 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
4504 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
4505 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
4508 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
4509 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
4510 bother to wrap #undef in #ifdef.
4511 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
4512 Don't include xm-linux.h.
4513 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
4515 * configure.in: Wrap regexps using [] in changequote block.
4516 Use expr : not echo | grep. Simplify regexps.
4517 * configure: Regenerate.
4519 56 xm-files remain, 22 xm-arch.
4521 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4523 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
4524 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4525 (local_index, local_rindex): Delete, use strchr/strrchr instead.
4526 (copy_object): Fix format specifier vs argument mismatch.
4528 * mips-tdump.c: Make local functions static.
4529 (rindex): Don't #undef.
4530 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4531 (fatal, fancy_abort): Delete.
4532 (read_seek): Avoid signed/unsigned compare.
4534 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4536 * combine.c (try_combine): Fix error in change to try original
4538 (gen_rtx_combine): Do same as gen_rtx for now.
4540 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4542 * configure.in: AC_SUBST xm_defines.
4543 * configure: Regenerate.
4544 * Makefile.in: Set DEFINES=$(xm_defines) when building
4547 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
4549 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
4550 (cpp_included, find_include_file): Update.
4551 (_cpp_compare_file_date): Make else unconditional.
4553 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
4555 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
4557 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4559 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
4560 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
4562 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
4564 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
4565 if it's a record type.
4567 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
4569 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
4570 mingw includes slightly.
4572 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4574 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
4575 #undef token before poisoning it.
4577 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4579 * alpha.c (check_float_value): Use memcpy, not bcopy.
4581 * m32r.c (m32r_sched_reorder): Likewise.
4583 * vax.c (check_float_value): Likewise.
4585 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4587 * toplev.c (file_name_nondirectory): Remove.
4588 * toplev.h: Similarly.
4589 * dwarf2out.c (compute_section_prefix): Use lbasename instead
4590 of file_name_nondirectory.
4592 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4594 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
4595 * mips-tfile.c: Don't #undef rindex; not used.
4597 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
4599 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
4600 (dbx64_register_map): Declare.
4601 (RETURN_ADDR_RTX): Fix for 64bit.
4602 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
4603 (INCOMING_FRAME_SP_OFFSET): Set to 8.
4604 * i386.c (dbx64_register_map): New global array.
4605 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
4606 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
4609 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4611 * cppfiles.c (search_from): Use lbasename.
4612 * mkdeps.c (deps_add_default_target): Use lbasename.
4614 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4616 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
4617 xcalloc in lieu of malloc, realloc & calloc.
4619 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
4621 * gengenrtl.c (xmalloc): Likewise.
4623 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
4624 really_call_* memory allocation routines.
4626 * stmt.c (check_for_full_enumeration_handling): Use
4627 really_call_calloc, not calloc.
4629 * system.h (really_call_malloc, really_call_calloc,
4630 really_call_realloc): Define.
4631 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
4633 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
4635 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
4637 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
4639 * configure: Rebuilt.
4640 * configure.in: Only use `lang_requires' for languages athat are
4643 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
4645 * invoke.texi: Fix typo.
4646 * gcc.1: Regenerate.
4648 2001-03-09 Zack Weinberg <zackw@stanford.edu>
4650 * configure.in: Prune nonexistent files from build_xm_file,
4651 xm_file, and host_xm_file lists. Warn unless they're
4653 Don't generate *config.h here.
4654 AC_SUBST all variables needed to generate *config.h.
4655 * configure: Regenerate.
4656 * mkconfig.sh: New helper script, from code removed from
4658 * Makefile.in: Zap all MALLOC variables - no longer used
4659 anywhere, and malloc.c doesn't exist.
4660 Substitute in variables needed to generate *config.h.
4661 Stop lying about the dependencies contained in CONFIG_H and
4663 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
4664 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
4665 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
4666 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
4667 $(TM_P_H), etc. as appropriate.
4669 * config.gcc: Zap references to deleted files.
4670 * ggc-none.c: Don't include rtl.h or tm_p.h.
4672 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
4673 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
4674 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
4675 config/i386/xm-linux.h, config/i386/xm-linux.h,
4676 config/i386/xm-next.h, config/i386/xm-openbsd.h,
4677 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
4678 Don't include i386/xm-i386.h.
4680 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
4681 config/i386/xm-i386.h, config/i860/xm-i860.h,
4682 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
4683 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4684 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
4685 Delete (empty except comments, #includes of other deleted
4686 files, and macros used nowhere).
4688 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
4690 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
4691 independent on TARGET_FLAGS.
4693 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
4695 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
4697 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
4699 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
4701 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
4702 LAST_REX_SSE_REG): define.
4703 (enum reg_class): Add 'LEGACY_REGS'
4704 (REG_CLASS_CONTENTS): Likewise; add extended registers.
4705 (SSE_REGNO_P): Recognize extended registers.
4706 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
4707 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
4708 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
4709 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
4710 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
4711 REG_OK_FOR_STRREG_P): Remove.
4712 (HI_REGISTER_NAMES): Add extended registers.
4713 (ADDITIONAL_REGISTER_NAMES): Likewise.
4714 (QI_REGISTER_NAMES): Add 8bit extended registers.
4715 (DEBUG_REG): Support extended registers.
4716 * i386.c (regclass_map): Add extended registers.
4717 (dbx_register-map): Likewise.
4718 (svr4_dbx_register_map): Likewise.
4719 (print_reg): Support extended registers.
4720 (print_operand): Support 64bit operands.
4722 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
4724 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
4725 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
4726 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
4727 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
4728 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
4729 STACK_BOUNDARY): Set properly for 64bits.
4730 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
4731 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
4732 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
4733 (MOVE_MAX): Set to 16.
4734 (MOVE_MAX_PIECES): 8 for 64bit.
4735 (Pmode): Set to SImode.
4737 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
4739 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
4741 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
4743 * i386.h (mask_64bit): New constant.
4744 (target_64bit): New macro.
4745 (target_options): Add '64'/'32'
4746 (target_default): Define.
4747 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
4748 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
4749 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
4751 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
4753 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
4755 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
4757 * rtlanal.c (rtx_varies_p): Check operand 0 of a
4758 LO_SUM unless for_alias is set.
4760 2001-03-08 Stan Shebs <shebs@apple.com>
4762 * objc/objc-act.c: Fix old typos in comments, add comments for
4764 (hash_init): Fix file name in error message.
4765 (hash_enter): Ditto.
4766 (hash_add_attr): Ditto.
4767 (continue_class): Ditto.
4769 2001-03-08 Bruce Korb <bkorb@gnu.org>
4771 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
4772 wait4() can receive the signal.
4774 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4776 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
4778 * fixinc/fixincl.x: Regenerate.
4780 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4782 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
4784 * fixinc/fixincl.x: Regenerate.
4786 2001-03-08 Richard Henderson <rth@redhat.com>
4788 * configure.in (HAVE_AS_LEB128): New assembler check.
4789 * configure, config.in: Rebuilt.
4791 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
4793 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
4796 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4798 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
4799 references to the MAXPATHLEN macro.
4801 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
4802 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
4805 * config/i386/xm-gnu.h, config/xm-gnu.h,
4806 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
4807 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
4808 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
4809 and/or unused files.
4811 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
4812 doing so in various xm-*.h files.
4814 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4816 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
4818 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
4820 * configure.in (enable_shared): Support per-package shared-library
4822 * configure: Rebuilt.
4824 2001-03-07 David Edelsohn <edelsohn@gnu.org>
4826 * rs6000.md (cr logic): Add original POWER mnemonic alternative
4827 for crnot. Set operands[5] in splitter.
4829 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4831 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
4832 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
4833 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
4834 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
4835 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
4836 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
4837 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
4840 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
4841 config/i370/xm-i370.h, config/i386/xm-dgux.h,
4842 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
4843 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
4844 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
4845 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
4846 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
4847 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
4848 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
4849 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
4850 Delete unused and/or empty files.
4852 * config.gcc: Define USG in xm_defines as appropriate. Define
4853 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
4854 macro. Remove deleted xm-* files from $xm_files variable.
4856 2001-03-07 Tom Tromey <tromey@redhat.com>
4858 * configure: Rebuilt.
4859 * configure.in: Allow config-lang.in to set `lang_requires' to list
4860 of other required languages.
4862 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
4864 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
4866 (output_prologue): Use xmalloc not oballoc.
4867 (output_epilog): Free a29k_first_epilogue_insn when finished.
4868 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
4870 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
4872 * builtins.c (expand_builtin_mathfn): Check
4873 flag_unsafe_math_optimizations, not flag_fast_math.
4874 (expand_builtin): Likewise
4875 * combine.c (combine_simplify_rtx): Likewise.
4876 (simplify_if_then_else): Likewise.
4877 * cse.c (fold_rtx): Likewise.
4878 * flags.h: Remove flag_fast_math. Add
4879 flag_unsafe_math_optimizations and flag_trapping_math.
4880 * fold-const.c (negate_expr): Check
4881 flag_unsafe_math_optimizations, not flag_fast_math.
4882 (invert_truthvalue): Likewise.
4883 (fold): Likewise. Before associating operands, check that
4884 code == MULT_EXPR, not code != MULT_EXPR.
4885 * ifcvt.c (noce_try_minmax): Check
4886 flag_unsafe_math_optimizations, not flag_fast_math.
4887 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
4888 * invoke.texi: Document -funsafe-math-optimizations and
4889 -fno-trapping-math. Change documentation for -ffast-math.
4890 * jump.c (reversed_comparison_code_parts): Likewise.
4891 (rtx_equal_for_thread_p): Likewise.
4892 * optabs.c (emit_conditional_move): Likewise.
4893 * simplify-rtx.c (simplify_binary_operation): Likewise.
4894 (simplify_relational_operation): Likewise.
4895 (simplify_ternary_operation): Likewise.
4896 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
4897 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
4898 Add trapping-math and unsafe-math-optimizations entries to f_options.
4899 (set_fast_math_flags): New, sets flags for -ffast-math.
4900 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
4901 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
4902 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
4904 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
4905 (alpha_emit_conditional_move): Initialize local_fast_math to
4906 flag_unsafe_math_optimizations, not flat_fast_math.
4907 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
4908 instead of setting flag_fast_math to 1.
4909 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
4911 * config/i386/i386.c (override_options): Likewise
4912 * config/i386/i386.md: Likewise.
4913 * config/m68k/m68k.md: Likewise.
4914 * config/mips/mips.md: Likewise.
4915 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
4916 (rs6000_generate_compare): Likewise.
4918 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4920 * Makefile.in: Set RANLIB to @RANLIB@.
4923 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4925 * fixinc/inclhack.def (djgpp_wchar_h): New test.
4926 * fixinc/fixincl.x: Regenerated.
4928 2001-03-07 Richard Henderson <rth@redhat.com>
4930 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
4932 2001-03-07 Richard Henderson <rth@redhat.com>
4934 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
4935 of block notes and exception handling notes.
4937 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
4938 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
4939 (compile_file): ... here.
4941 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4943 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
4945 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
4946 config.h now. Include libiberty.h to handle alloca.
4948 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4950 * c-parse.in (yylexname): New function, split out of _yylex.
4951 (objc_rid_sans_at): New table.
4952 (init_reswords): Initialize it.
4953 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
4954 retrieving the next token and checking it for significance as
4955 an ObjC keyword or string constant.
4957 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
4958 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
4960 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
4963 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4965 * config/m68k/m68k.c (const_uint32_operand): Accept any
4966 const_int on a 32-bit host.
4968 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
4970 * objc/objc-act.c (init_objc): Set save_lang_status,
4971 restore_lang_status, and mark_lang_status.
4973 2001-03-06 Krister Walfridsson <cato@df.lth.se>
4975 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
4977 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
4979 * cppinternals.texi: Update.
4981 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4983 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4984 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
4985 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
4986 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4987 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
4988 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4989 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
4990 config/i386/xm-i386.h, config/i860/xm-i860.h,
4991 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4992 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
4993 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4994 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4995 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4996 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4997 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
4998 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4999 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
5000 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5001 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5002 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
5003 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
5004 match the defaults provided in hwint.h.
5006 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5007 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
5009 * config.gcc (xm_file): Don't set to files which are deleted.
5011 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
5012 guard this file against these macros being undefined.
5014 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5016 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
5017 and DECL_DEFER_OUTPUT on the decl we create, before calling
5018 rest_of_decl_compilation.
5020 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5022 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
5024 * configure, config.in: Regenerate.
5025 * config.gcc: Remove references to deleted files.
5027 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
5028 genrecog.c, rtl.c: Do not use alloca anywhere.
5030 * Makefile.in, build-make, system.h, config/x-interix,
5031 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
5032 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
5033 config/arc/xm-arc.h, config/arm/xm-arm.h,
5034 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5035 config/h8300/xm-h8300.h, config/i370/x-oe,
5036 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
5037 config/i386/x-ncr3000, config/i386/x-sco5,
5038 config/i386/xm-dgux.h, config/i860/x-sysv4,
5039 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
5040 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
5041 config/m68k/x-hp320g, config/m69k/x-mot3300,
5042 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
5043 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
5044 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
5045 config/m88k/x-sysv4, config/m88k/x-tekXD88,
5046 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5047 config/mips/x-iris, config/mips/x-iris3,
5048 config/mips/x-sni-svr4, config/mips/x-sysv,
5049 config/mips/xm-iris6.h, config/mips/xm-mips.h,
5050 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
5051 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
5052 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5053 config/pa/xm-papro.h, config/romp/xm-romp.h,
5054 config/rs6000/x-aix31, config/rs6000/x-aix41,
5055 config/rs6000/x-beos, config/rs6000/x-lynx,
5056 config/rs6000/x-mach, config/rs6000/x-rs6000,
5057 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
5058 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5059 config/sparc/x-sysv4, config/sparc/xm-linux.h,
5060 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
5061 config/vax/xm-vms.h: Eradicate all references to alloca and
5064 * config/xm-alloca.h, config/clipper/x-clix,
5065 config/i386/xm-sysv4.h, config/i860/x-fx2800,
5066 config/i860/x-sysv3, config/m88k/x-sysv3,
5067 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
5068 (contained only alloca related hacks).
5070 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
5073 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
5075 * invoke.texi: Document __FAST_MATH__.
5077 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5079 * crtstuff.c: Restore include of auto-host.h.
5081 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
5083 Put main() in a separate file, so that the language
5084 front-end can use a different main().
5087 * toplev.c: (main): Rename as toplev_main.
5088 * toplev.h: Declare toplev_main.
5089 * Makefile.in (OBJS): add toplev.o.
5090 (BACKEND): remove toplev.o, add main.o.
5092 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5094 * cppfiles.c (search_from): Special case the empty string.
5096 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5098 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
5099 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
5100 strlen or strcpy; we already know the length.
5101 (_cpp_compare_file_date): Similarly.
5102 * cpphash.h (struct cpp_reader): Delete done_initialising.
5103 (CPP_PREV_BUFFER): Delete.
5104 * cppinit.c (cpp_start_read): Don't set done_initialising.
5105 * cpplex.c (parse_string): Guarantee null-termination.
5106 (_cpp_equiv_toklists): Remove.
5107 * cpplib.c (glue_header_name): Null-terminate.
5108 (do_line): Don't leak memory.
5109 * cpplib.h (BT_WEAK): Delete.
5110 * cppmain.c (cb_ident): Strings are now null-terminated.
5112 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
5114 * gcc.c (convert_filename): Append executable suffix
5115 if NO_AUTO_EXE_SUFFIX is not defined.
5116 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
5117 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
5119 2001-03-03 David O'Brien <obrien@FreeBSD.org>
5121 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5122 * c-parse.gperf, c-gperf.h: Delete.
5123 (c-gperf.h was accidently re-added to the CVS repo in the rev
5124 1.16 commit by tromey)
5126 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5128 * cpplex.c (_cpp_lex_token): Don't warn about directives in
5129 macro arguments when looking for the '('.
5130 * cppmacro.c (funlike_invocation_p): Set parsing_args to
5131 2 when really parsing arguments; 1 when looking for '('.
5132 Always restore the lexer position.
5134 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5136 * longlong.h (umul_ppmm): Don't use a multiline string.
5138 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5140 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
5141 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
5142 t_bool in declaration because pcc can't combine volatile with typedef
5145 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
5147 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
5148 until when it is really needed.
5149 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
5150 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
5151 * i386.md (float?i?f splitter): Don't force source operand to memory
5153 (sse_movdfcc): Fix constraint.
5154 (sse_movdfcc splitter): Handle properly the second alternative.
5156 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5158 * cpplex.c (parse_string): Unconditionally pedwarn.
5160 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5163 * cppexp.c (parse_number): Update.
5164 * cpplex.c (parse_string): Pedwarn if multiline string does not
5165 result from a system header's macro.
5166 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
5167 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
5168 for function-like macros too.
5169 * c-lex.c (lex_number): Update.
5171 2001-03-03 Richard Henderson <rth@redhat.com>
5173 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
5175 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
5177 * combine.c (try_combine): If split with mode-changed scratch
5178 register didn't work, try the original mode.
5180 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
5182 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
5183 * config/c4x/c4x.h: Likewise.
5184 * stor-layout.c (compute_record_mode): Likewise.
5185 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
5187 2001-03-02 Zack Weinberg <zackw@stanford.edu>
5189 * configure.in: Kill tm.h. Include the files in the $tm_file
5190 list in all three of config.h, hconfig.h, tconfig.h, after the
5191 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
5192 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
5193 * configure: Regenerate.
5194 * Makefile.in (clean): Don't delete tm.h.
5196 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
5197 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
5198 those are not defined, set SEC and FEC to 0 and 1.
5199 * gcc.texi: Update to match.
5201 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
5202 * config/fp-bit.c, config/m68k/aux-crt2.asm,
5203 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
5204 Include tconfig.h, not tm.h.
5206 * config/xm-lynx.h, config/xm-std32.h,
5207 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5208 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
5209 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
5210 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5211 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5212 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5213 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
5214 config/i386/xm-i386.h, config/i860/xm-i860.h,
5215 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5216 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
5217 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5218 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5219 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5220 config/pa/xm-linux.h, config/pa/xm-pa.h,
5221 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5222 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
5223 config/pj/xm-pj.h, config/romp/xm-romp.h,
5224 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5225 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5226 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5227 config/v850/xm-v850.h, config/vax/xm-vax.h,
5228 config/we32k/xm-we32k.h:
5230 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
5232 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
5233 config/i370/xm-oe.h: Don't include tm.h. Don't define
5235 * config/vax/xm-vms.h: Don't include tm.h.
5237 * config/xm-lynx.h, config/avr/xm-avr.h,
5238 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
5239 Delete; made empty by above changes.
5240 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5241 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
5242 Don't include config/xm-lynx.h or tm.h.
5244 * config/xm-gnu.h: Don't include fcntl.h.
5245 * config/sparc/xm-lynx.h: Don't include sys/types.h and
5247 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
5249 2001-03-02 Richard Henderson <rth@redhat.com>
5251 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
5252 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
5254 2001-03-02 Richard Henderson <rth@redhat.com>
5256 * Makefile.in (OBJS): Add dwarf2asm.o.
5257 * dwarf2asm.c, dwarf2asm.h: New files.
5258 * dwarf2out.c (*): Use them.
5259 (size_of_uleb128, size_of_sleb128): Remove.
5260 (output_uleb128, output_sleb128): Remove.
5261 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
5262 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
5263 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
5264 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
5265 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
5266 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
5267 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
5268 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
5269 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
5270 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5271 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
5272 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
5273 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
5274 (dwarf2out_frame_debug): Remove unused variables.
5275 (output_loc_operands): Don't abort on 8 byte constants if
5276 host integers are wide enough.
5277 (output_symbolic_ref): Remove.
5278 (size_of_die): Don't assume 4 byte host integers.
5279 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
5281 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
5282 something stupid with HOST_WIDE_INT to long truncation.
5283 [CONST_DOUBLE]: Likewise.
5285 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
5286 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5287 * config/arm/unknown-elf.h: Likewise.
5288 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
5289 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
5290 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
5291 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
5292 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
5293 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
5294 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
5295 (ASM_OUTPUT_DWARF_OFFSET): Remove.
5296 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
5297 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
5298 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
5299 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
5301 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5303 * cselib.c (hash_rtx): Cast enums to unsigned int.
5305 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5307 * print-rtl.c (print_rtx): Cast enums to int for comparison.
5308 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
5310 * c-format.c (C_STD_VER): Cast to int for comparisons.
5311 (check_function_format): Cast various enums to int for &.
5312 (maybe_read_dollar_number): Likewise.
5313 (check_format_info): Likewise.
5314 (check_format_info_main): Likewise.
5315 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
5316 (safe_from_p): Likewise.
5317 * varasm.c (const_hash): Cast enum to int for %.
5318 * emit-rtl.c (init_emit_once): Use int loop variable to work around
5319 pcc enum problems with < and ++ operators.
5320 * regclass.c (init_reg_sets_1): Cast enums for comparison.
5321 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
5322 (regclass_init): Change enum class to int to iterate over reg_classes.
5323 * genrecog.c (merge_trees): Cast enums for comparison.
5324 * rtl.h (GET_CODE): Cast to enum rtx_code.
5325 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
5326 (GET_MODE): Cast to enum machine_mode.
5327 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
5328 (GET_NOTE_INSN_NAME): Cast enum to int.
5329 * tree.h (TREE_CODE): Cast to enum tree_code.
5330 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
5331 * timevar.c (timevar_print): Change loop variable id from enum to
5333 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
5334 * config/i386/i386.md: Use PUT_MODE for mode assignment.
5335 * toplev.c (compile_file): Cast enum DFI to int.
5336 (decode_d_option): Likewise.
5338 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
5340 * cppinit.c (append_include_chain): Mark "after" include file name list
5341 as a system directory.
5342 * cpp.texi: Document new behavior.
5344 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
5346 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
5348 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
5350 * cppfiles.c (struct include_file): Update.
5351 (stack_include_file): Use search_from.
5352 (cpp_included, find_include_file): Update.
5353 (cpp_execute_include): Update. ptr->name may not be
5354 null terminated. Use the new search_from member variable
5356 (_cpp_compare_file_date): Similarly.
5357 (search_from): New function, similiar to actual_directory.
5358 (actual_directory): Delete.
5359 (remap_filename): Update. loc->name may not be null terminated.
5360 (struct file_name_list): Rename search_path. Update.
5361 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
5362 search_from and dir.
5363 (struct cpp_reader): Remove actual_dirs.
5364 * cppinit.c (struct cpp_pending): Update for renamed objects.
5365 (append_include_chain, remove_dup_dir, remove_dup_dirs,
5366 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
5367 * cpplib.h (struct cpp_options): Similarly.
5369 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5371 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
5372 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
5373 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5374 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5375 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5376 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5377 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5378 config/i370/xm-linux.h, config/i370/xm-mvs.h,
5379 config/i370/xm-oe.h, config/i386/xm-aix.h,
5380 config/i386/xm-i386.h, config/i386/xm-osf.h,
5381 config/i860/xm-i860.h, config/i960/xm-i960.h,
5382 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5383 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
5384 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
5385 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
5386 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
5387 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5388 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5389 config/pj/xm-pj.h, config/romp/xm-romp.h,
5390 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5391 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5392 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5393 config/v850/xm-v850.h, config/vax/xm-vax.h,
5394 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
5395 Do not define TRUE or FALSE.
5397 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
5398 empty by above change.
5399 * config.gcc: Remove references to these files.
5401 * configure.in: Detect stdbool.h.
5402 * configure, config.in: Regenerate.
5403 * system.h: Include stddef.h here if available.
5404 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
5405 Then set up a sensible boolean type at the very end.
5407 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
5408 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
5410 * hash.h: Delete 'boolean' typedef and related #undefs.
5412 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
5413 all uses of 'boolean' with 'bool'.
5415 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5417 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
5418 * cppexp.c (lex): Cast enums for comparison.
5419 * cppinit.c (parse_option): Cast enum for comparison.
5420 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
5421 (cpp_output_token): Likewise.
5422 (cpp_can_paste): Cast enums for comparsion and plus/minus.
5423 (cpp_avoid_paste): Cast enums for minus and comparison.
5425 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5427 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
5428 field to all array elements.
5430 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5432 * cpphash.h (struct cpp_reader): Add print_version field.
5433 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
5434 just set print_version and other flags as appropriate.
5435 (cpp_post_options): Print version here if print_version is set.
5437 * toplev.c (exit_after_options): New flag.
5438 (independent_decode_option): Don't exit here; just set
5440 (main): Exit after calling lang_hooks.post_options if
5441 exit_after_options is true.
5443 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
5444 (merge_include_chains): Adjust comment to match code.
5446 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5448 * stringpool.c (set_identifier): New function.
5449 * tree.h: Prototype it.
5451 * c-parse.in: Kill D_YES. If compiled for objc, call
5452 save_and_forget_protocol_qualifiers from init_reswords.
5453 * objc/objc-act.c (remember_protocol_qualifiers,
5454 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
5455 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
5457 (save_and_forget_protocol_qualifiers): New function.
5458 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
5460 2001-03-01 Diego Novillo <dnovillo@redhat.com>
5462 * c-semantics.c (prune_unused_decls): Return error_mark_node
5463 instead of (tree) 1 to stop traversing the tree chain.
5465 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5467 Fix a problem introduced by Kenner's Feb 18 change.
5468 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
5469 flag_cse_skip_blocks only temporarily, not for ever.
5471 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
5473 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
5474 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
5476 * pa.c (emit_move_sequence): Verify operand0 is a hard register
5477 before determining its register class.
5479 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5481 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
5482 from reg 4 if current_function_calls_setjmp.
5483 (gen_nop_type): New function.
5484 (ia64_emit_nops): New function.
5485 (ia64_reorg): Call it.
5486 (ia64_sched_reorder): Move code that rotates bundles up a bit.
5488 * reload1.c (eliminate_regs_in_insn): Restrict the special case
5489 code not to try to optimize adds with anything but a REG destination.
5491 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
5492 (INSN_PRIORITY_KNOWN): New accessor macro.
5493 * haifa-sched.c (priority): Use it instead of testing priority against
5496 2001-02-28 DJ Delorie <dj@redhat.com>
5498 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
5499 since that doesn't work the way gcc wants on a generic m68k.
5501 2001-02-28 Richard Henderson <rth@redhat.com>
5503 * caller-save.c (save_call_clobbered_regs): Fix typo in
5504 comparison last change.
5506 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
5508 * i386.c (pentium4_cost): New.
5509 (m_PENT4): New macro.
5510 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
5511 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
5512 x86_integer_DFmode_moves, x86_partial_reg_dependency,
5513 x86_memory_mismatch_stall): Add Pentium4
5514 (x86_use_q_reg, x86_use_any_reg): Kill.
5515 (override_options): Add pentium4.
5516 (incdec_operand): Return 0 for pentium4.
5517 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
5518 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
5519 (TARGET_PENTIUM4): Define.
5520 (enum processor_type): Add PROCESSOR_PENTIUM4.
5521 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
5522 * i386.md (attribute "cpu"): Add pentium4.
5523 * invoke.texi (march): Add pentium4.
5525 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
5527 * i386.md (sse_mov?fcc*): New patterns and splitters.
5528 * i386.c (ix86_expand_movcc): Work post-reload; recognize
5529 the SSE based conditional moves.
5531 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
5533 * i386.md (attribute mode): Add "TI".
5534 (movsf_1): Add pxor support; remove constant propagation splitter.
5535 (movdf_integer): Likewise.
5536 (movdf_nointeger): Likewise.
5537 (movxf constant prop splitter): Handle all modes; update for SSE.
5538 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
5539 * i386.c (standard_80387_constant_p): Rewrite.
5540 (standard_sse_constant_p): New.
5541 * i386-protos.h (standard_sse_constant_p): New.
5543 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
5545 * i386.md (sse_setccsf, sse_setccdf): New.
5546 (sse_cmp* patterns): Use '%D' instead of outputtting condition
5548 * i386.c (sse_comparison_operator): Accept the supported unordered
5549 comparses; be ready for fast_math.
5550 (print_operand): Support 'D'.
5552 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
5554 * jump.c (reversed_comparison_code): Kill.
5556 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
5558 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
5561 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
5563 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
5564 add missing '%' in constraints.
5566 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
5568 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
5569 for HOST_BITS_PER_WIDE_INT == 32 too.
5571 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
5573 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
5575 (insert_save, insert_restore): New parameter save_mode.
5576 (init_caller_save): Update initialization of reg_save_code
5577 and reg_restore_code.
5578 (save_call_clobbered_regs): Compute save_modes and update calls to
5579 reg_save_code and reg_restore_code.
5580 (insert_restore): Unsignetize numbers; use save_modes to choose mode
5581 of spill; update use of reg_restore_code.
5582 (insert_save): Likewise.
5583 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5584 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5585 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
5587 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5589 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
5590 noce_try_store_flag_inc, noce_try_store_flag_mask,
5591 noce_try_cmove_arith):
5592 Use reversed_comparison_code instead of reverse_comparison and
5593 can_reverse_comparison_p.
5595 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
5597 * jump.c (reversed_comparison_code_parts): Allow reversal of
5598 unordered compares in -ffast-math mode; reverse ordered compares
5599 for FP even w/o -ffast-math.
5601 2001-02-27 Richard Henderson <rth@redhat.com>
5603 * print-rtl.c (print_rtx) [i]: Don't print field five on
5604 NOTEs other than NOTE_INSN_DELETED_LABEL.
5606 2001-02-27 Zack Weinberg <zackw@stanford.edu>
5608 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
5609 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
5611 2001-02-27 Diego Novillo <dnovillo@redhat.com>
5613 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
5614 even if walk_subtrees is 0.
5615 * c-semantics.c (prune_unused_decls): Return a non-null value to
5616 stop traversing the tree chain.
5618 2001-02-27 DJ Delorie <dj@redhat.com>
5620 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
5621 register, *then* define it as the new CFA.
5623 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
5625 * pa.c (override_options): Promote -fpic to -fPIC.
5626 (legitimize_pic_address): Simplify due to removal of
5627 small PIC as a code generation option.
5628 (secondary_reload_class): Similarly.
5629 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
5630 (PRINT_OPERAND_ADDRESS): Similarly.
5631 * pa.md (various patterns): Similarly.
5632 (small pic lo_sum pattern): Remove.
5634 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
5637 * md.texi (min, max): Document
5639 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
5641 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
5642 TARGET_PARTIAL_REG_DEPENDENCY.
5643 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
5645 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
5647 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
5649 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
5651 * mips.c (mips_make_temp_file): Fix thinko in last change.
5653 2001-02-26 Jason Eckhardt <jle@redhat.com>
5655 * combine.c (known_cond): Do not reverse the condition when
5656 SMAX/UMAX is being considered and the condition is for equality
5659 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
5661 2001-02-26 Philip Blundell <philb@gnu.org>
5663 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
5665 * config/arm/linux-elf.h: Remove historical relics related to
5666 above configurations.
5667 * config/arm/linux-oldld.h: Delete.
5668 * config/arm/linux-elf26.h: Delete.
5670 2001-02-26 Jason Merrill <jason@redhat.com>
5672 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
5674 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
5675 recognize a tentative definition. Lose obsolete code.
5677 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
5678 variables unless necessary, either.
5680 2001-02-25 Richard Henderson <rth@redhat.com>
5682 * ifcvt.c (struct noce_if_info): Add test_bb.
5683 (noce_get_alt_condition): New.
5684 (noce_try_minmax, noce_try_abs): New.
5685 (noce_operand_ok): New.
5686 (noce_process_if_block): Use them.
5687 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
5689 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
5691 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
5694 2001-02-25 Zack Weinberg <zackw@stanford.edu>
5696 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
5697 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
5699 (mips_asm_file_end): Free temp_filename here.
5701 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5703 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
5704 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
5706 * config/i386/i386.md (movstrsi): Handle FAIL case.
5708 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
5710 * cppinit.c (builtin_array): Update.
5711 (init_builtins): Flag builtins to warn if redefined or
5712 undefined. Define __GXX_WEAK as a normal macro.
5713 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
5714 * cpplib.h (NODE_WARN): New flag.
5715 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
5716 Handle __STDC__ as a builtin only on Solaris.
5717 (warn_of_redefinition): Renamed from check_macro_definition.
5718 Reverse sense of test. Always warn if NODE_WARN.
5719 (_cpp_create_definition): Use warn_of_redefinition. Flag
5720 any macro beginning with "__STDC_" to require a mandatory
5721 warning if redefined or undefined.
5723 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5725 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
5726 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
5727 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
5728 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
5729 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
5730 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
5731 Don't define any of:
5732 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
5733 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
5734 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
5735 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
5736 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
5738 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
5739 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
5742 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
5743 Delete now-empty file.
5745 * alpha/vms.h: Define NEED_ATEXIT here...
5746 * alpha/xm-vms.h: ...not here.
5748 * i386/cygwin.h: Don't define PARAMS.
5749 * mips/mips.c: Don't prototype mktemp. Don't define
5750 P_tmpdir. Use make_temp_file to create temporary files.
5751 Don't be clever and delete temporary files early.
5752 * config.gcc: Drop references to deleted files. Don't define
5754 * gcc.texi: Don't mention USE_PROTOTYPES.
5756 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5758 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
5759 (ix86_set_move_mem_attrs_1): Likewise.
5760 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
5761 * config/i386/i386.md (movstrsi): Call it.
5763 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5765 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
5766 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
5767 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
5768 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
5770 (i750a-*-*): Error here if hosting on i750a.
5771 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
5773 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
5774 Remove (empty modulo comments).
5776 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
5777 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
5778 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
5779 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
5780 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
5781 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
5783 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
5784 Remove reference to winnt.h in comment.
5785 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
5787 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5789 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
5790 used to set another biv.
5792 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5794 * tree.h (BLOCK_DEAD): New macro.
5795 (struct tree_block): New flag, dead_flag.
5796 * print-tree.c (print_node, case 'b'): Print missing fields.
5797 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
5798 * function.c (identify_blocks): Enable test for misplaced notes.
5799 (all_blocks): Skip BLOCK_DEAD blocks.
5800 * integrate.c (integrate_decl_tree): Likewise.
5802 * errors.c (internal_error, trim_filename): New functions.
5803 (fancy_abort): Call internal_error.
5804 * errors.h (internal_error, trim_filename): New declarations.
5806 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
5808 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
5810 (EXTRA_CONSTRAINT): Formatting changes.
5812 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5814 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
5816 2001-02-23 Per Bothner <per@bothner.com>
5818 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
5819 so they can be called from java/jvspec.c.
5820 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
5822 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
5824 * i386.c (ix86_frame): New structure.
5825 (ix86_compute_frame_size): Kill.
5826 (ix86_compute_frame_layout): New.
5827 (ix86_save_reg): New.
5828 (ix86_can_use_return_insn_p): Use frame layout stuff.
5829 (ix86_expand_prologue): Likewise.
5830 (ix86_expand_epilogue): Likewise.
5831 (ix86_initial_elimination_offset): Likewise.
5832 (ix86_nsaved_regs): Use ix86_save_reg.
5833 (ix86_emit_save_regs): Likewise.
5835 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
5837 * flow.c (find_sub_basic_blocks): New function.
5838 (split_block): Be ready for basic block introduced by CODE_LABEL.
5839 (commit_one_edge_insertion): Call find_sub_basic_block.
5841 * flow.c (make_edges): Add edge from entry for blocks starting with
5842 label having ALTERNATE_NAME
5844 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
5846 * function.c (epilogue_done): Be ready for first basic block not
5847 containing PROLOGUE_END note.
5848 (reposition_prologue_and_epilogue_notes): Avoid placing
5849 PROLOGUE_END note between BASIC_BLOCK.
5851 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
5853 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
5855 2001-02-21 DJ Delorie <dj@redhat.com>
5857 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
5858 check for current_function_has_nonlocal_goto from 1999-11-12.
5860 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5862 * diagnostic.c (trim_filename): No longer static.
5863 * toplev.h (trim_filename): Declare.
5864 * rtl.c (rtl_check_failed_bounds): Call internal_error.
5865 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
5866 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
5867 (rtvec_check_failed_bounds): Likewise.
5868 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
5870 * convert.c (convert_to_integer): Don't do unsigned unless result or
5871 both inputs are unsigned.
5873 * fold-const.c (fold_convert): Don't call size_int_type_wide if
5876 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
5878 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
5880 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
5882 * Makefile.in (resource.o): Add params.h dependence.
5883 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
5884 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
5885 * resource.c: Add dependence on params.h.
5886 (current_live_regs): Fix explanatory comment.
5887 (find_basic_block): Add new parameter to permit limiting search
5889 (mark_target_live_regs): Add new argument to find_basic_block call.
5890 (incr_ticks_for_insn): Likewise.
5892 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5894 * diagnostic.c (output_to_stream): Rename to
5895 output_buffer_to_stream. Loses the stream parameter.
5896 (init_output_buffer): Set diagnosic_buffer's stream.
5897 (flush_diagnostic_buffer): Adjust.
5898 (default_print_error_function): Likewise.
5899 (finish_diagnostic): Likewise.
5900 (verbatim): Likewise.
5902 * diagnostic.h (struct output_buffer): Add `stream' field.
5903 (output_buffer_attached_stream): New macro.
5905 2001-02-23 Jakub Jelinek <jakub@redhat.com>
5907 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
5908 check if either operand is divisible by C.
5909 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
5910 If type is signed, consider negative numbers as well.
5912 2001-02-22 Richard Henderson <rth@redhat.com>
5914 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
5915 reach .text instead of gp-relative relocs.
5916 * config/ia64/crtend.asm (.init): Likewise.
5918 2001-02-22 Andreas Jaeger <aj@suse.de>
5920 * extend.texi (C++ Attributes): Fix typo.
5922 2001-02-21 David Mosberger <davidm@hpl.hp.com>
5924 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
5925 functions, drop current_function_args_info.words test.
5926 (ia64_compute_frame_size): Mark syscall_linkage functions as
5927 using eight input registers.
5929 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
5930 Bruce Korb <bkorb@gnu.org>
5932 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
5933 * fixinc/README: Document how to convert sed substitutions
5934 to format style c_fix-es.
5935 * fixinc/fixincl.x: regen
5937 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
5939 * gcc.c: Add comment explaining how to add a command-line option.
5940 Add title to specs language comment.
5942 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5944 * gcc.c (cc1_options): Add "-param".
5945 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
5946 (option_map): Likewise.
5947 * toplev.c (display_help): Add entry for "--param".
5948 (independent_decode_option): Fix typographical error.
5950 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
5951 Bernd Schmidt <bernds@redhat.com>
5952 Jan Hubicka <jh@suse.cz>
5954 * i386.c (function_arg_advance): Pass SSE arguments in registers.
5955 (function_arg): Likewise.
5957 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
5959 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
5961 2001-02-21 Kazu Hirata <kazu@hxi.com>
5963 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
5967 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
5969 * flow.c (init_propagate_block_info): Canon address and use single_set
5970 for killing dead memory stores.
5972 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5974 * Makefile.in (reorg.o): Add params.h dependence.
5975 * params.def: Fix typographical error in comment.
5976 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5977 * params.h: Modify introductory comment.
5978 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5979 * reorg.c: Add dependence on params.h.
5980 (redundant_insn): Add parameterized throttle for search.
5981 (fill_simple_delay_slots): Add a comment explaining a variable.
5982 Move conditional out of loop, simplifying code.
5983 (fill_eager_delay_slots): Fix typographical error in comment.
5985 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
5987 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
5989 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
5990 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
5992 2001-02-21 Jason Merrill <jason@redhat.com>
5994 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
5995 (struct tree_decl): Add uninlinable bitfield.
5996 * c-decl.c (duplicate_decls): Set it.
5997 * integrate.c (function_cannot_inline_p): Check it.
5999 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
6000 DW_AT_MIPS_linkage_name to abstract methods.
6001 (dwarf2out_abstract_function): Emit class context before calling
6002 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
6003 (gen_subprogram_die): Remove obsolete code.
6004 (gen_member_die): Don't include clones in the member list.
6005 (gen_decl_die): Emit abstract info for clone origin.
6006 * dwarfout.c (output_type): Don't include clones in the member list.
6007 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
6008 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
6009 DECL_ABSTRACT on a function that already has it set.
6011 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
6012 (get_subprogram_die): Pass it in.
6014 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
6016 * flow.c (mark_set_1): Make not_dead unsigned long. For
6017 non-pseudos, use it as a bitmask of the hard regs that
6020 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
6022 * cppfiles.c: Update comments.
6023 (_cpp_read_file): Don't check for NULL filenames any more.
6024 * cppinit.c (cpp_start_read): Don't do canonicalization of
6025 in_fname and out_fname. Use the passed file name exclusively.
6026 (_cpp_handle_options): Don't treat "-" as a command line option,
6027 but as a normal filename.
6028 (_cpp_post_options): Canonicalize in_fname and out_fname.
6029 * cppmain.c (printer_init): Don't check out_fname for NULL.
6030 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
6031 (init_c_lex): Update, and use "" to represent stdin to CPP.
6034 2001-02-20 Will Cohen <wcohen@redhat.com>
6036 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
6037 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
6038 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
6041 2001-02-20 Stan Shebs <shebs@apple.com>
6043 * config/rs6000/rs6000.c (output_cbranch): Output branches
6044 on separate lines instead of using ';' to separate.
6046 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
6048 * cppinit.c (set_lang): Move builtin handling to...
6049 (init_builtins): ...here.
6050 (_cpp_create_reader): Move call to set_lang.
6052 2001-02-20 Mark Mitchell <mark@codesourcery.com>
6054 * stmt.c (expand_return): If an attempt is made to return the
6055 error_mar_node, treat the return like a return without a value.
6057 2001-02-19 Zack Weinberg <zackw@stanford.edu>
6059 * sibcall.c (skip_copy_to_return_value): Call
6060 identify_call_return_value here, and return orig_insn if it
6061 returns zero. Hardret and softret arguments now unnecessary.
6062 (call_ends_block_p): Don't call identify_call_return_value here.
6064 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
6066 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
6067 * ggc.h (ggc_mark_if_gcable): Delete prototype.
6069 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
6071 * pa.c (move_operand): Accept code to load the address of a
6072 symbol out of the DLT as a valid move operand.
6073 (print_operand, case 'A'): New to handle generating a DLT
6074 reference for a LO_SUM expression.
6075 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
6076 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
6078 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
6080 * README, cpp.texi, gcc.texi, version.c: Update version number to
6082 * cpp.1, gcov.1, gcc.1: Regenerate.
6084 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
6086 * cppfiles.c (stack_include_file): Generate dependencies
6087 here, and manage include_count here too.
6088 (PRINT_THIS_DEP): Delete.
6089 (_cpp_execute_include): Do not generate dependencies here,
6090 apart from the case of a missing header. Do not manage
6092 (_cpp_read_file): Leave dependency generation to
6095 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
6097 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
6098 target_cpu_default. Remove dead assignment to
6101 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
6103 * regclass.c (contains_reg_of_mode): Make global.
6104 (init_reg_sets): Remove contains_reg_of_mode; take into account
6105 CLASS_MAX_NREGS when looking for the proper mode.
6106 (dump_regclass): Dump only classes considered for the pseudo.
6107 (regclass): Use contains_reg_of_mode.
6109 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
6111 * gcc.c (do_spec_1): 'n' for printing notices.
6112 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
6114 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
6116 * reg-stack.c (next_flags_user): Use current_block->end
6117 (swap_rtx_condition): Look for next user if flags don't die;
6118 give up on CALL_INSNs; use current_block->end.
6120 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6122 * sibcall.c (call_ends_block_p): New function.
6123 (optimize_sibling_and_tail_recursive_call): Use it.
6125 2001-02-18 Kazu Hirata <kazu@hxi.com>
6127 * config/h8300/h8300.md: Update copyright.
6128 (andsi3): Do not output an extra newline character.
6130 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6132 * toplev.c (note_deferral_of_defined_inlined_function): Argument
6133 FNDECL may be unused.
6135 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
6136 follow jumps after first run.
6137 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
6138 it doesn't change any jumps.
6140 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
6142 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
6143 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
6144 (mostlyclean): Corresponding changes.
6145 * rtlanal.c (hard-reg-set.h): Include.
6146 (rtx_unstable_p): Do not treat the argument pointer specially
6147 if it is not a fixed register.
6148 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
6150 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6152 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
6153 against last real insn in basic block.
6154 Rework to avoid gotos.
6156 * Makefile.in (gcse.o): Now includes ggc.h.
6157 * gcse.c: Include ggc.h.
6158 (want_to_gcse_p): Verify expression can be in SET as valid insn.
6159 (try_replace_reg): Remove warning of uninitialize variable.
6160 (process_insert_insn): Call invalid_insn_p to validate insn.
6161 * recog.c (insn_invalid_p): Now global.
6162 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
6163 * recog.h (insn_invalid_p): New declaration.
6165 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
6167 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
6168 assignments from FP constants since 'Y' output code can't handle it.
6169 (eligible_for_sibcall_delay): Likewise.
6171 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
6172 Call fancy_abort directly, passing args.
6173 (print_rtl_and_abort): Now a macro, like fancy_abort.
6175 * final.c (output_operand_lossage): Use internal_error, not error.
6177 2001-02-18 Shane Nay <shane@agendacomputing.com>
6179 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
6180 structure shift insns.
6182 2001-02-18 Mark Mitchell <mark@codesourcery.com>
6184 * invoke.texi (-fsquangle): Remove documentation.
6185 (-fname-mangling-version): Likewise.
6187 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
6189 * optabs.c (expand_abs): Remove reference to
6190 HAVE_contitional_arithmetic.
6191 * combine.c (simplify_set): Likewise.
6193 2001-02-18 Richard Henderson <rth@redhat.com>
6195 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
6198 2001-02-18 Richard Henderson <rth@redhat.com>
6200 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
6202 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
6204 * reload1.c (reload_cse_simplify_set): Fix typo.
6206 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6208 * diagnostic.c (_fatal_insn): Decrement errorcount.
6210 * invoke.texi (-I): Add note avoiding use for system header files.
6212 * rtl.h (add_clobbers): Remove duplicate declaration.
6213 * recog.h (added_clobbers_hard_reg_p): New declaration.
6214 * genemit.c (struct clobber_pat): New field has_hard_reg.
6215 (gen_insn): Record if added clobbers clobber hard reg.
6216 (gen_split): Avoid unused warning if number of operands is 0.
6217 (output_added_clobbers_hard_reg_p): New function.
6220 2001-02-18 Alan Modra <alan@linuxcare.com.au>
6222 * pa.c (hppa_expand_prologue): Simplify code storing return
6223 pointer. For large (>=8k) frames with a post_store, adjust stack
6224 pointer by 8k-64 first rather than by 64. When testing with
6225 VAL_14_BITS_P, always use the actual value rather than the value
6226 negated. Add blockage to prevent scheduling of spills before
6227 stack frame has been created.
6228 (hppa_expand_epilogue): Simplify code loading return pointer.
6229 Allow a slightly larger range for merge_sp_adjust_with_load case.
6230 When testing with VAL_14_BITS_P, always use the actual value.
6232 * pa.c (pa_adjust_insn_length): Check that block move
6233 pattern is a set before looking at operands.
6235 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6237 * fold-const.c (fold_binary_op_with_conditional_arg): New
6238 function, split out from ...
6240 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
6241 conditional arms that throw exceptions.
6243 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
6246 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6248 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
6249 define HAVE_DECL_* to 1 to mask potential backup declarations.
6250 * configure: Regenerated.
6252 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6254 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
6256 2001-02-17 Richard Henderson <rth@redhat.com>
6258 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
6259 when replacing a memory load with a register.
6261 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6262 Jan Hubicka <jh@suse.cz>
6264 * recog.c (validate_replace_src_1): New.
6265 (validate_replace_src_data): Likewise.
6266 (validate_replace_src): Use note_uses.
6267 * rtl.h (note_uses): Declare.
6268 * rtlanal.c (note_uses): New.
6270 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
6272 * reg-stack.c (stack_def): Make field reg unsigned.
6273 (remove_regno_note): Unsignetize parameter.
6275 2001-02-16 Jes Sorensen <jes@linuxcare.com>
6277 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
6278 shladd_operand() call.
6280 2001-02-16 Bruce Korb <bkorb@gnu.org>
6281 Rodney Brown <RodneyBrown@mynd.com>
6283 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
6284 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
6285 machine restrictions
6286 * fixinc/fixincl.x: regen
6288 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6290 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
6292 (hash_scan_insn): Clean up calls to hash_scan_set.
6293 (compute_kill_rd): REGNO now unsigned.
6294 (try_replace_reg): Rework to use simplify_replace_rtx.
6295 (cprop_jump, cprop_cc0_jump): Likewise.
6296 (cprop_insn): Call find_reg_equal_equiv_note.
6297 Reflect changes to cprop_jump and cprop_cc0_jump.
6299 * recog.c (validate_replace_src): Replace in operands of
6300 ZERO_EXTRACT in SET_DEST.
6302 * cse.c (new_label_ref): New variable.
6303 (insert): Set it instead of recorded_label_ref.
6304 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
6305 CODE_LABEL for this function, and not already in REG_LABEL note.
6307 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
6309 * resource.c (mark_referenced_resources): Fix typo in introductory
6311 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
6314 2001-02-16 Jason Merrill <jason@redhat.com>
6316 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
6318 (gen_subprogram_die): Don't abort on seeing a second definition if
6319 the previous one was abstract. Don't replace an abstract instance
6320 in the lookup table.
6322 * dwarf2out.c (dwarf2out_abstract_function): Rename from
6323 gen_abstract_function.
6324 * dwarf2out.h: Declare it.
6325 * toplev.c (note_outlining_of_inline_function): New fn.
6326 * toplev.h: Declare it.
6327 * integrate.c (output_inline_function): Call it.
6328 * c-decl.c (duplicate_decls): Call it when redefining an extern
6329 inline. Don't inline the new defn.
6331 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
6333 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6335 * .gdbinit: Rename to gdbinit.in.
6336 * gdbinit.in: New file,
6337 * configure.in: Generate .gdbinit from gdbinit.in.
6338 * configure: Regenerated.
6339 * Makefile.in (distclean): Always remove .gdbinit.
6341 2001-02-16 Jakub Jelinek <jakub@redhat.com>
6343 * objc/objc-act.c (start_class): Register implemented_classes with
6346 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
6348 * cppfiles.c (_cpp_make_system_header): Generate a file
6351 2001-02-15 Jim Meyering <meyering@lucent.com>
6353 * Makefile.in (install-common): Don't depend on installdirs here.
6354 Instead, make each of the lang.install-common targets (e.g.,
6355 c++.install-common in cp/Make-lang.in) depend on it.
6356 (install-driver): Depend on installdirs.
6358 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6360 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
6362 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
6365 2001-02-15 Mark Mitchell <mark@codesourcery.com>
6367 * invoke.texi (--param): Document.
6369 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
6371 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
6373 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
6375 * i386.md (extendsfdf2_2): Fix constraints.
6377 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
6379 * i386.md (fop_df_3 splitter): Fix operand number.
6381 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
6383 * invoke.texi (-mreg-alloc): Nuke.
6384 * i386.c (ix86_reg_alloc_order, regs_allocated,
6385 order_regs_for_local_alloc): Nuke.
6386 (override_options): Kill reg_alloc code.
6387 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
6388 (REG_ALLOC_ORDER): SSE goes before I387.
6389 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
6390 (ix86_reg_alloc_order): Likewise.
6391 * i386-protos.h (ix86_reg_alloc_order): Kill.
6393 2001-02-14 Richard Henderson <rth@redhat.com>
6395 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
6397 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
6399 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
6401 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
6403 * i386-protos.h (ix86_memory_move_cost): Move offline.
6404 * i386.c (ix86_register_move_cost): Compute properly cost of
6405 SSE, MMX and i387 instructions.
6406 (*_cost): Add costs of SSE/MMX moves.
6407 (ix86_memory_move_cost): Move offline from ....; Likewise.
6408 * i386.h (MEMORY_MOVE_COST): .... here;
6409 (struct processor costs): Add new fields to represent costs
6412 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
6414 * regclass.c (init_reg_sets_1): Reinstall the optimization of
6415 move_cost together with Matt Kraai's fix.
6417 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6419 * Makefile.in (OBJS): Add params.o.
6421 2001-02-14 Richard Henderson <rth@redhat.com>
6422 DJ Delorie <dj@redhat.com>
6424 * jump.c (jump_optimize_1): When we delete a conditional jump
6425 preceeding a non-conditional jump to effectively the same place,
6426 make sure that the combined jump skips any clobber insns between
6429 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6431 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
6433 2001-02-14 Mark Mitchell <mark@codesourcery.com>
6435 * Makefile.in (toplev.o): Depend on params.h.
6436 (intergate.o): Likewise.
6437 (params.o): New target.
6438 * flags.h (inline_max_insns): Remove.
6439 * integrate.c: Include params.h.
6440 Use MAX_INLINE_INSNS instead of inline_max_insns.
6441 * params.c: New file.
6442 * params.h: Likewise.
6443 * params.def: Likewise.
6444 * toplev.c: Include params.h.
6445 (lang_independent_params): New variable.
6446 (decode_f_option): Use the param machinery instead of setting
6448 (independent_decode_option): Handle "--param name=value".
6449 (main): Register language-independent parameters.
6451 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
6453 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
6455 2001-02-14 Richard Henderson <rth@redhat.com>
6457 * regclass.c (init_reg_sets_1): Revert last two changes.
6459 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6461 * stor-layout.c (is_pending_size, put_pending_size): New functions.
6462 (variable_size): Call put_pending_size.
6463 * tree.h (is_pending_size, put_pending_size): Add prototypes.
6464 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
6465 sizes list, put newly created SAVE_EXPR there as well.
6467 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6469 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
6470 (errata_find_address_regs): load_group has only 2 entries.
6471 (errata_emit_nops): Likewise. shladd is not problematic.
6472 Clear last_group if nop was emitted.
6473 (fixup_errata): load_group has only 2 entries.
6476 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
6478 * c-lex.c (lex_number): Only warn traditionally for U suffix
6479 outside system macros.
6480 * cppexp.c (parse_number): Similarly.
6481 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
6482 * cppmacro.c (struct cpp_macro): New member node.
6483 (parse_args): Only warn about missing rest args if not
6485 (funlike_invocation_p): Similarly for uninvoked funlike macros.
6486 (cpp_sys_objmacro_p): New.
6487 (_cpp_create_definition): Store the node with the macro defn.
6488 Remember if the macro is defined in a system header.
6490 2001-02-13 DJ Delorie <dj@redhat.com>
6492 * configure.in (check_languages): determine languages to check
6493 * Makefile.in (check-c++): alias for check-g++
6494 (check-f77): alias for check-g77
6495 (CHECK_TARGETS): depend on configured languages
6497 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
6499 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6500 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6501 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6502 (sqrtextendsfdf2): Disable for SSE2.
6504 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6506 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6507 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6508 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6509 (sqrtextendsfdf2): Disable for SSE2.
6511 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
6513 * i386.md (movsfcc_1): Support integer cmove instruction.
6514 (movdfcc_1): Likewise; new splitter.
6516 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
6518 * i386.c (output_fp_compare): Support SSE.
6519 (prepare_fp_compare_args): SSE comparisons always support memory.
6520 * i386.h (TARGET_CMOVE): SSE imply cmove.
6521 * i386.md (cmp?f2): Enable for SSE too.
6522 (cmpfp_i*): Support SSE.
6524 (cmpfp_i_sse_only): New.
6525 (s*, b* fp expanters): Enable for SSE too.
6526 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
6529 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
6531 * regclass.c (init_reg_sets_1): Silence warning.
6533 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
6535 * i386.md (sqrt?f2): Change to expander.
6536 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
6538 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6540 * rtlanal.c (find_reg_equal_equiv_note): New function.
6541 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
6542 (simplify_gen_relational, simplify_replace_rtx): Likewise.
6543 * rtl.h: Add declarations for above functions.
6545 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
6547 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
6549 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
6550 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
6551 * flow.c (mark_regs_live_at_end): Likewise.
6552 (calculate_global_regs_live): Likewise.
6553 * gcse.c (compute_hash_table): Likewise.
6554 (compute_kill_rd): Likewise.
6555 * resource.c (mark_target_live_regs): Likewise.
6556 * rtl.h (INVALID_REGNUM): New macro.
6558 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
6560 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
6562 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
6564 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
6567 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
6569 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
6571 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
6572 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
6573 (fop_sf_1_sse, fop_df_1_sse): New patterns
6574 (fop_*): Disable float_extend and float patterns for SSE compilation.
6575 * i386.c (output_387_binary_op): Support SSE.
6577 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
6579 * i386.md (dummy_extendsfdf2): Support SSE2
6580 (extendsfdf2): Enable if 80387 or SSE2.
6581 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
6582 and no MIX_I387_SSE2
6583 (extendsfdf2_1_sse_only): New pattern.
6584 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
6586 (truncdfsf2_1): Support SSE.
6587 (truncdfsf2_2): Support SSE.
6588 (truncdfsf2_2_1_sse): New pattern.
6589 (fixtruncsfsi2): Always use SSE if available.
6590 (fix_truncsfsi_sse): New pattern.
6591 (fix_truncdfsi_sse): New pattern.
6592 (floatsis?f2): Support SSE.
6593 (floatsidf2_i387): New pattern.
6594 (floatsidf2_sse): Likewise.
6596 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6598 * configure.in: Use "have_gnat" variable, not "gnat".
6599 * configure: Regenerated.
6601 * config/sparc/sparc.c (function_value): Treat all non-record
6602 aggregate types like used to treat UNION_TYPE.
6604 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
6606 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
6607 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
6609 (MASK_MIX_SSE_I387): New.
6610 (TARGET_SSE): SSE2 imply SSE.
6611 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
6612 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
6613 (enum reg_class): Add new classes.
6614 (REG_CLASS_NAMES): Likewise.
6615 (REG_CLASS_CONTENTS): Likewise.
6616 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
6617 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
6618 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
6619 (CLASS_MAX_NREGS): Use new macros.
6620 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
6621 * i386.md (pushsf, movsf): Support SSE.
6622 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
6623 splitters to use ANY_FP_REGNO_P.
6624 (movdf_nointeger, movdf_integer): Likewise.
6626 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6628 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
6629 (try_combine): Use it.
6631 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
6633 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
6634 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
6635 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
6636 (REGISTER_MOVE_COST): Likewise.
6637 * i386-protos.h (ix86_secondary_memory_needed,
6638 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
6639 * i386.c (ix86_secondary_memory_needed,
6640 ix86_preferred_reload_class, ix86_register_move_cost): New function.
6642 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
6644 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
6645 (HARD_REGNO_MODE_OK): Move offline to ....
6646 * i386.c (ix86_hard_regno_mode_ok) ... here;
6647 refuse all incorrect modes.
6648 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
6650 2001-02-13 Richard Henderson <rth@redhat.com>
6652 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
6653 entire operator; replicate that and match_dup the operands.
6654 (cmp_ccx_arith_op_set): Likewise.
6655 (cmp_cc_arith_op_not_set): Likewise.
6656 (cmp_ccx_arith_op_not_set): Likewise.
6658 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6660 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
6662 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6664 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
6665 (TARGET_NO_BITFIELD_WORD): New macro.
6666 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
6667 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
6669 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6671 * cselib.c: New file, from simplify-rtx.c.
6672 * simplify-rtx.c: Remove cselib parts.
6673 * Makefile.in: Add cselib.o.
6675 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6677 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
6678 (setup_incoming_varargs): Remove warning.
6680 * config/rs6000/rs6000.c (validate_condition_mode): When
6681 flag_fast_math, allow floating-point conditionals to be reversed.
6682 (rs6000_generate_compare): When flag_fast_math, don't generate
6683 cror operations for FP conditionals.
6685 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
6687 (ASM_SPEC): Likewise.
6688 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
6689 (CC1_SPEC): Likewise.
6690 (LINK_TARGET_SPEC): Likewise.
6691 (CPP_ENDIAN_SPEC): Likewise.
6692 * Makefile.in (check-consistency): New target.
6694 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
6696 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
6697 "return type defaults" warning for functions with return type
6699 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
6700 function declarations by default rather than only when pedantic.
6702 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
6704 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
6707 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6709 * extend.texi (Deprecated): Deprecate new initializer lists.
6711 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6713 * mkdeps.c (deps_add_default_target): Robustify. Add
6714 basename component only.
6715 * cpp.texi (-M): Describe how default target is generated.
6716 * invoke.texi (-M): Likewise.
6718 2001-02-12 Kazu Hirata <kazu@hxi.com>
6720 * toplev.c (push_float_handler): Remove.
6721 (pop_float_handler): Remove.
6722 * toplev.h: Remove prototypes for the above functions.
6724 2001-02-12 Jakub Jelinek <jakub@redhat.com>
6726 * c-common.c (constant_fits_type_p): New function.
6727 (convert_and_check): Use it.
6729 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6731 * Makefile.in (GXX_ABI_FLAG): Don't define.
6732 * configure.in (--enable-new-gxx-abi): Remove option.
6733 * config.in: Regenerated.
6734 * configure: Likewise.
6736 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
6738 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
6740 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
6741 regular basic block, and arrange for all edges into it to switch
6744 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6746 * Makefile.in (distclean): Do not remove .gdbinit.
6748 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6750 * Makefile.in (gcc.o): Fix typos.
6751 (protize.o): Likewise.
6752 (unprotoize.o): Likewise.
6754 2001-02-11 Richard Henderson <rth@redhat.com>
6756 * tree.c (build1): Check for null operand in last change.
6758 2001-02-11 Richard Henderson <rth@redhat.com>
6760 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
6761 (fold): Don't assume a constant isn't foldable.
6762 * tree.c (build): Set TREE_CONSTANT for an expression with no
6763 side-effects and constant operands.
6766 2001-02-10 Richard Henderson <rth@redhat.com>
6768 * jump.c (squeeze_notes): Revert 2000-05-12 change.
6770 2001-02-10 Anthony Green <green@redhat.com>
6772 * cpp.texi (Standard Predefined): Add documentation for
6775 * c-common.c (combine_strings): Improve warning message.
6777 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
6779 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
6781 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
6783 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
6785 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
6788 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
6790 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
6793 2001-02-09 Nick Clifton <nickc@redhat.com>
6795 * config/arm/arm.md: Change output contraint on post inc
6796 load/store multiple patterns to be a read/write contraint.
6798 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
6800 * gcc.c (cpp_options): Delete .d files on error. Don't delete
6801 .o files when using the -M options.
6803 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6804 David Edelsohn <edelsohn@gnu.org>
6806 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
6807 handle DImode constants. Use one TOC entry for SImode and smaller
6808 constants, aligned properly.
6810 2001-02-08 Jason Merrill <jason@redhat.com>
6812 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
6813 about the SP adjustment for saving the static chain pointer.
6814 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
6815 offset when setting a temporary CFA register.
6817 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
6819 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
6820 powerpc-*-chorusos* .
6821 * config/rs6000/chorus.h : New file.
6822 * config/i386/chorus.h : New file.
6823 * config/sparc/chorus.h : New file.
6824 * config/sparc/t-chorus-elf : New file.
6826 2001-02-08 David Edelsohn <edelsohn@gnu.org>
6828 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
6829 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
6830 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
6831 (__WCHAR_TYPE__): Correct macro name.
6833 2001-02-08 Richard Henderson <rth@redhat.com>
6835 * config/i386/i386.c (ix86_frame_pointer_required): New.
6836 (ix86_setup_frame_addresses): New.
6837 (struct machine_funciton): Add accesses_prev_frame.
6838 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
6839 ix86_frame_pointer_required.
6840 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
6841 (SETUP_FRAME_ADDRESSES): New.
6842 * config/i386/i386-protos.h: Update.
6843 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
6844 from FRAME_POINTER_REQUIRED.
6845 * config/i386/svr3gas.h: Likewise.
6846 * config/i386/sysv3.h: Likewise.
6847 * config/i386/v3gas.h: Likewise.
6849 2001-02-08 Richard Henderson <rth@redhat.com>
6851 * config/sparc/sparc.c (function_arg_record_value_3): Fix
6852 calculation of the number of integer registers required.
6853 (function_arg_record_value): Likewise.
6855 2001-02-08 Jason Merrill <jason@redhat.com>
6857 * diagnostic.c (internal_error): Say "confused" after 1 error, not
6858 two. Print file and line with "confused" message.
6860 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
6862 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6864 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
6866 2001-02-08 Bernd Schmidt <bernds@redhat.com>
6868 * final.c (cleanup_subreg_operands): The address of a MEM can
6871 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
6874 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
6876 * gcc.texi (Incompatibilities): Update documentation of
6877 preprocessing numbers.
6879 2001-02-07 Jakub Jelinek <jakub@redhat.com>
6881 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
6883 2001-02-07 Mark Mitchell <mark@codesourcery.com>
6885 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
6887 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
6888 * gcc.c (struct compiler): Add cpp_spec field.
6889 (input_file_compiler): New variable.
6890 (do_spec_1): Allow a particular compiler to handle `%C'
6892 (main): Store the current compiler in input_file_compiler.
6893 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
6895 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
6897 * cpphash.h (struct spec_nodes): Add n_true and n_false.
6898 * cppinit.c (cpp_create_reader): Initialize them.
6899 (append_include_chain): cxx_aware arg might be unused.
6900 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
6901 keywords and give them their phase 7 meaning. Pedwarn about
6902 this unless '__bool_true_false_are_defined' is defined.
6904 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6906 * lcm.c (optimize_mode_switching): Emit mode_set before the
6907 JUMP_INSN of an abnormal edge.
6909 2001-02-07 Bernd Schmidt <bernds@redhat.com>
6911 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
6912 a scheduling barrier at the end.
6914 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
6916 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6918 * config/sh/sh.md (reload_outsf): Removed.
6919 (movsf_ie): Introduce constraints for FPUL loads and stores.
6920 (reload_insf): Broaden the output constraint.
6922 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
6924 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
6925 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
6927 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
6929 * final.c: Revert my previous changes.
6930 * output.h: Make profile_label_no extern.
6931 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
6932 for generating label.
6934 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
6936 * config/i386/djgpp.h: Add comments about standard paths.
6937 (MD_EXEC_PREFIX): Undefine before defining.
6938 (MD_STARTFILE_PREFIX): New.
6940 2001-01-30 Bruce Korb <bkorb@gnu.org>
6942 fixinc/fixincl.c(process): Emit error message only if appropriate :)
6943 (load_file): do not rely on load_file_data() to close file pointer
6944 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
6945 fixinc/inclhack.def(irix_limits_const): add test_text
6947 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6949 * cppexp.c (parse_defined): Improve diagnostics for invalid
6952 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6954 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
6956 2001-02-06 Mark Mitchell <mark@codesourcery.com>
6958 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
6959 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
6960 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
6961 (rs6000_output_symbol_ref): New function.
6962 (output_toc): Use VTABLE_NAME_P.
6964 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6966 * print-tree.c (print_node, case PARM_DECL):
6967 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6969 * stor-layout.c (reference_types_internal): New variable.
6970 (internal_reference_types): New function.
6971 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
6972 * tree.h (internal_reference_types): New declaration.
6974 * cse.c (find_best_addr): Fix typo in computing cost.
6976 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6978 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
6979 and this is the sum of a pointer and a constant, we know the result
6981 (num_sign_bit_copies, case PLUS): Likewise.
6982 * explow.c (convert_memory_address): Remove opposite SUBREG.
6983 * function.c (instantiate_new_reg): New function (from common code).
6984 (instantiate_virtual_regs_1): Call it.
6985 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
6986 if pointers sign- or zero-extend.
6987 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
6988 If pointers extend unsigned, use inside of SUBREG.
6989 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
6991 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
6993 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
6994 subdir of gcc_gxx_include_dir.
6995 (gcc_gxx_target_include_dir): Remove.
6997 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
6999 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
7000 (dwarf2out_frame_debug_expr): Revise introductory comments to add
7001 a high-level description.
7003 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
7005 * final.c: Move the declaration of profile_label_no to ...
7006 * output.h: ... here.
7007 * function.c (expand_function_start): Call PROFILE_HOOK.
7008 * config/rs6000/aix.h: Define PROFILE_HOOK.
7009 * config/rs6000/rs6000-protos.h: output_profile_hook new.
7010 * config/rs6000/rs6000.c (output_profile_hook): Define.
7011 (output_prolog): Do nothing for ABI_AIX as it is taken care by
7012 output_profile_hook.
7013 tm.texi : Explain new macro PROFILE_HOOK.
7015 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
7017 * extend.texi (Extended Asm): Do not say that semicolon is always
7018 a valid line-breaking character for GNU assemblers. Use
7019 newline-tab as the most commonly supported syntax. Use
7020 newline-tab rather than semicolon in multi-insn examples.
7022 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7024 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
7026 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7027 David Edelsohn <edelsohn@gnu.org>
7029 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
7030 code for AIX, even without flag_pic.
7032 2001-02-05 Jakub Jelinek <jakub@redhat.com>
7034 * c-typeck.c (common_type): push and pop binding level around
7035 calling common_type on function parameters.
7037 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
7039 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
7041 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7043 * config/mips/mips.c (override_options): Fix typo in last change.
7044 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
7045 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
7047 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
7049 * invoke.texi (-fdump-class-layout): Document.
7050 (-fdump-translation-unit): Use `=' as filename separator.
7052 2001-02-05 Mark Mitchell <mark@codesourcery.com>
7054 * Makefile.in (s-mlib): Don't build multilibs if
7056 (DRIVER_DEFINES): Adjust accordingly.
7058 (protoize.o): Likewise.
7059 (unprotoize.o): Likewise.
7060 * configure.in: Recognize --enable-multilib.
7062 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7064 * Makefile.in (DRIVER_DEFINES): Fix quoting.
7066 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
7067 * configure.in: Remove --enable-libstdcxx_v3 support.
7068 * configure: Regenerated.
7070 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7072 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
7073 Call abort instead of fatal.
7074 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
7075 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
7076 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
7077 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
7078 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
7079 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
7081 * diagnostic.h (set_internal_error_function): Renamed.
7082 * toplev.h (internal_error): Renamed from fatal.
7083 (pfatal_with_name): Deleted.
7084 (fatal_io_error): Now has printf-style arguments.
7085 * diagnostic.c (pfatal_with_name): Deleted.
7086 (fatal_io_error): Rework to have args in printf-style.
7087 (set_internal_error_function): Renamed from set_fatal_function.
7088 (internal_error): Renamed from fatal.
7089 (error_recursion, fancy_abort): Call internal_error instead of fatal.
7090 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
7091 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
7092 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
7093 * flow.c (verify_flow_info): Likewise.
7094 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
7095 * config/mips/mips.c (save_restore_insns): Likewise.
7097 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
7098 * flow.c (verify_flow_info): Likewise.
7099 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
7100 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
7101 (avr_normalize_condition): Likewise.
7102 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
7103 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
7104 (limit_reload_class, double_reg_to_memory): Likewise.
7105 (print_operand_address, emit_1600_code_shift): Likewise.
7106 (gen_tst_reg, gen_compare_reg): Likewise.
7107 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
7108 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
7110 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
7112 * c-parse.in (methoddef): Call fatal_error instead of fatal.
7113 * objc/objc-act.c (build_ivar_chain): Likewise.
7114 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
7116 * graph.c (clean_graph_dump_file): Likewise.
7117 * profile.c (init_branch_prob): Likewise.
7118 * objc/objc-act.c (objc_init): Likewise.
7120 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
7121 * config/avr/avr.c (avr_override_options): Likewise.
7122 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
7123 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
7124 * config/h8300/h8300.c (h8300_init_once): Likewise.
7125 * config/mips/mips.c (override_options): Likewise.
7126 * config/i386/i386.c (override_options): Likewise, rework.
7127 * config/m68k/m68k.c (override_options): Likewise.
7129 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
7131 * config/mips/mips.c (print_operand): Likewise.
7132 * hash.c (hash_allocate): Don't check for failure returns from
7133 obstack functions that can't fail.
7134 (hash_table_init_n, hash_table_init): Likewise; also now return void.
7135 * hash.h (hash_table_init_n, hash_table_init): Now return void.
7136 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
7137 (get_object_reference): Likewise.
7139 2001-02-04 Nick Clifton <nickc@redhat.com>
7141 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
7142 StrongARM1110, 10TDMI, and 1020T.
7144 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7146 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
7148 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
7150 * config/sh/sh.md (movdf load split): Pass register number to
7151 FP_OR_XD_REGISTER_P.
7153 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7155 * cppinit.c (BC): New macro.
7156 (builtin_array): Add __GXX_WEAK__.
7157 * cpplib.h (builtin_type): Add BT_WEAK.
7158 * cppmacro.c (builtin_macro): Handle BT_WEAK.
7159 * defaults.h (SUPPORTS_ONE_ONLY): Define.
7160 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
7162 2001-02-03 Jakub Jelinek <jakub@redhat.com>
7164 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
7166 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7168 * cpphash.h: Rename _ALIGN POOL_ALIGN.
7169 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7171 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7173 * cpphash.h: Rename ALIGN _ALIGN.
7174 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7176 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
7178 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
7179 compilation environment.
7180 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
7181 control over location of cygwin includes and libs.
7183 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7185 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
7187 2001-02-02 lars brinkhoff <lars@nocrew.org>
7189 * md.texi (Standard Names): remove reference to spur.md.
7191 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7193 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
7194 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
7195 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
7196 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
7197 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
7199 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7201 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
7202 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
7203 number before reload.
7204 (c4x_adjust_cost): Return zero before reload.
7205 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
7206 split before reload.
7208 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7210 * c4x.c (c4x_hard_regno_rename_ok): New.
7211 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
7212 * c4x.h (HARD_REGNO_RENAME_OK): Define.
7214 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7216 * diagnostic.h: Add missing "extern" in all declarations.
7218 2001-02-02 Alex Samuel <samuel@codesourcery.com>
7220 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
7221 as for gcc_gxx_include_dir.
7223 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
7225 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
7227 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7229 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
7230 label before alignment to be used as the braf base address.
7231 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
7233 (casesi_jump_2): Require at least TARGET_SH2.
7235 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
7236 truncation to 32-bit doubles on -m3e and -m4-single-only.
7238 2001-02-02 Mark Mitchell <mark@codesourcery.com>
7240 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
7241 the default when building a shared object.
7242 (init_spec): Use it.
7243 * testsuite/lib/g++.exp: Include the directory where libgcc
7244 is located to the LD_LIBRARY_PATH list.
7245 * invoke.texi (-shared-libgcc): Document the cases in which
7246 GCC defaults to using the shared libgcc.
7248 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7250 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
7251 unsigned is wide enough.
7253 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
7254 (si_to_float): Likewise.
7255 (float_to_si, float_to_usi): Use BITS_PER_SI.
7257 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7259 * dwarf2out.c: Added explanation of abbreviations.
7260 (def_cfa_1): Added comments listing DWARF2 instructions.
7261 (cfa_temp_reg): Removed in favor of cfa_temp.
7262 (cfa_temp_value): Removed in favor of cfa_temp.
7263 (cfa_temp): New global variable.
7264 (dwarf2out_frame_debug_expr): Added extensive introductory
7265 comments explaining the function's transformations. Revised to
7266 use cfa_temp. Added some rtx checking. Generalize IOR case.
7267 (dwarf2out_frame_debug): Revised to use cfa_temp.
7268 (output_aranges): Cast as "unsigned" to avoid warning.
7269 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
7270 explain which instructions must be marked.
7272 2001-02-01 Richard Henderson <rth@redhat.com>
7274 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
7277 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
7279 * config/sh/crt1.asm (main_k): Modified so that start calls
7280 ___setup_argv_and_call_main.
7282 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
7284 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
7285 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
7286 and AVOID_LPASTE is cleared on meeting an unescaped newline.
7287 * cppmacro.c (builtin_macro): Set builtin flags here.
7288 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
7289 (replace_args): Clarify intent.
7290 (cpp_get_token): Macro expansion tokens get the saved flags.
7292 * cppmain.c (scan_buffer): Remove now-redundant print.printed
7295 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7297 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
7300 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7302 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
7303 returns Pmode pseudo, but we need ptr_mode.
7304 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
7305 Remove bogus conversions; use HOST_WIDE_INT for size.
7306 Don't use TARGET if wrong mode.
7308 * config/i386/i386.c (ix86_compute_frame_size): Allow
7309 stack_alignment_needed to be non-default even if size is zero.
7311 2001-01-31 Alan Modra <alan@linuxcare.com.au>
7313 * pa.c (hppa_init_pic_save): New function.
7314 * pa.h (hppa_init_pic_save): Declare.
7315 * pa.md (call, call_value, sibcall, sibcall_value): Use
7316 the above instead of duplicated code.
7318 * pa.c (hppa_encode_label): Correct size of alloca buffer
7319 so we don't overrun it. Correct leading `*' case.
7320 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
7321 need to handle `*@'.
7322 (FUNCTION_NAME_P): Likewise.
7324 2001-01-31 Richard Henderson <rth@redhat.com>
7326 * config.gcc (alpha-osf5): Use float-i128.h.
7328 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
7329 * config/float-i32.h: Likewise.
7330 * config/float-i64.h: Likewise.
7331 * config/float-sh.h: Likewise.
7332 * config/float-sparc.h: Likewise.
7334 2001-01-31 DJ Delorie <dj@redhat.com>
7336 * expmed.c (extract_bit_field): allow non-integral modes if we
7337 want to extract a whole register from itself.
7339 2001-01-31 Jakub Jelinek <jakub@redhat.com>
7341 * c-typeck.c (set_init_index): If first is equal to last, assume as
7342 if it was not a range at all.
7344 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7346 * config/fp-bit.c: Include tm.h.
7347 (float_to_si): Don't assume SImode is 32-bits wide.
7348 (float_to_usi): Likewise.
7350 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
7352 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
7354 (typename): Call pending_xref_error after parsing typed_typespecs.
7355 * c-decl.c (lookup_tag): Give error immediately rather than
7356 leaving it pending if the tag of the wrong type is in the same
7358 (xref_tag): Don't pedwarn for forward declarations of enum types
7360 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
7363 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7365 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
7367 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7369 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
7370 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
7372 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7374 * cpphash.h (struct cpp_reader): New saved_flags.
7375 * cppmacro.c (cpp_get_token): Use saved_flags to remember
7376 to avoid a paste after a pasted token.
7378 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7380 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
7381 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
7382 Wtype_MIN instead of LONG_MIN.
7384 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7386 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
7388 * fixinc/fixincl.x: Regenerated.
7389 * fixinc/inclhack.def (irix_limits_const): New definition to
7390 convert "const" to "__const" in limits.h.
7392 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7394 * fixinc/genfixes (AG): Fix "autogen4" thinko.
7396 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7398 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
7399 when register dies in the insn.
7401 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7403 * diagnostic.c (fatal): Fix word wrap.
7405 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
7407 * combine.c (try_combine): Fix SUBREG setting for
7408 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
7410 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7412 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
7415 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7417 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
7419 * toplev.c (decode_W_option): Update warn_larger_than
7420 unconditionally for each processed switch.
7422 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
7424 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
7426 (hppa_expand_prologue): Delete code to save pic offset table register
7427 in the function prologue.
7428 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
7429 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
7430 table register at the beginning of the function after the prologue.
7432 2001-01-29 lars brinkhoff <lars@nocrew.org>
7434 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
7436 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
7437 Jeff Law <law@redhat.com>
7439 * pa.md (return): Revise comment for trivial return.
7440 (return_internal): Non-trivial return pattern for non-PIC code.
7441 (return_internal_pic): Non-trivial return pattern for PIC code.
7442 It uses the PIC register to ensure it is restored after
7444 (epilogue): Generate appropriate return for PIC and non-PIC code.
7446 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
7448 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
7450 2001-01-29 DJ Delorie <dj@redhat.com>
7452 * combine.c (if_then_else_cond): Pass the correct mode to
7453 operand_subword() for constants.
7455 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
7457 * config/i386/cygwin.h: Add w32api to include search. Search different
7458 directories in a cross-build environment.
7460 2001-11-29 Tim Josling <tej@melbpc.org.au>
7462 * tree.h (TYPE_STUB_DECL): Add documentation.
7464 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
7466 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
7467 (sdbout_field_types): Likwise. Fix use of host_integerp.
7469 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
7471 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
7474 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
7476 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
7477 to use flag_gnu_linker.
7479 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
7481 * cpplib.c (T_BAD_DIRECTIVE): Remove.
7482 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
7484 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
7486 * tree.c, tree.h (build_parse_node): Remove; was identical to
7488 * c-lang.c (start_cdtor), objc/objc-act.c
7489 (build_module_descriptor): Use build_nt instead of
7492 2001-01-29 Jakub Jelinek <jakub@redhat.com>
7494 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
7495 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
7496 not have any upper bits set.
7498 2001-01-29 Phil Edwards <pme@sources.redhat.com>
7500 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
7502 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7504 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
7506 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
7508 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
7509 (integer_minus_one_node): Define.
7511 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
7513 * Makefile.in (bootstrap2-lean): Fix typo.
7515 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
7517 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
7518 : Don't set fe_value.
7519 * cpplib.h (AVOID_LPASTE): New flag.
7520 (struct cpp_hashnode): Remove fe_value.
7521 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
7522 * cppmacro.c (builtin_macro): Don't set flags here.
7523 (replace_args): Set AVOID_LPASTE flag on first token of an
7524 argument, and the token following it.
7525 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
7526 macro expansion, and on the token following it. Do it for
7528 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
7530 2001-01-27 Richard Henderson <rth@redhat.com>
7532 * config/alpha/t-ieee: Remove multilibbing.
7533 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
7535 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7537 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
7539 * Makefile.in: Remove all dependencies on defaults.h.
7540 * builtins.c: Don't include defaults.h.
7541 * c-common.c: Likewise.
7542 * c-decl.c: Likewise.
7543 * c-pragma.c: Likewise.
7544 * c-typeck.c: Likewise.
7545 * combine.c: Likewise.
7547 * frame-ia64.c: Likewise.
7548 * cppexp.c: Likewise.
7549 * crtstuff.c: Likewise.
7550 * dbxout.c: Likewise.
7551 * dwarf2out.c: Likewise.
7552 * dwarfout.c: Likewise.
7553 * emit-rtl.c: Likewise.
7554 * except.c: Likewise.
7556 * final.c: Likewise.
7557 * frame-dwarf2.c: Likewise.
7558 * libgcc2.c: Likewise.
7559 * optabs.c: Likewise.
7560 * profile.c: Likewise.
7561 * sdbout.c: Likewise.
7562 * toplev.c: Likewise.
7563 * tradcif.y: Likewise.
7565 * varasm.c: Likewise.
7567 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7569 * builtins.c (expand_builtin_fputs): Use size_one_node when
7570 transforming into fwrite.
7572 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
7574 * extend.texi (Attribute Syntax): New section.
7576 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7578 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
7579 they didn't need fixing.
7581 2001-01-27 Janis Johnson <janis@us.ibm.com>
7583 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
7585 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
7586 to remove macro definitions that are duplicated from elfos.h.
7588 2001-01-27 Richard Henderson <rth@redhat.com>
7590 * config/i386/sco5gas.h: Move ...
7591 * config/usegas.h: ... here.
7592 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
7594 2001-01-27 Jakub Jelinek <jakub@redhat.com>
7596 * c-typeck.c (struct constructor_stack): Add range_stack member.
7597 (really_start_incremental_init): Clear it.
7598 (push_init_level): Save constructor_range_stack and clear it if
7599 pushing explicit braces.
7600 (pop_init_level): abort if constructor_range_stack is non-zero at
7601 explicit closing brace. Restore saved constructor_range_stack if
7604 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7606 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
7607 into register was forced into memory.
7609 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7611 * Makefile.in: Remove uses of + before $(MAKE).
7613 2001-01-26 Richard Henderson <rth@redhat.com>
7615 * stmt.c (cost_table): Remove.
7616 (COST_TABLE, cost_table_initialized): New.
7617 (estimate_case_costs): Use the later instead of the former.
7618 (balance_case_nodes): Likewise.
7620 2001-01-26 Richard Henderson <rth@redhat.com>
7622 * alias.c (objects_must_conflict_p): Read-only slots may not
7623 conflict despite having the same type.
7625 2001-01-27 Michael Hayes <mhayes@redhat.com>
7627 * loop.c (loop_giv_reduce_benefit): Copy mode size into
7629 (check_ext_dependant_givs): Initialise u_start_val and
7631 (load_mems): Make last_max_reg unsigned.
7632 (try_swap_copy_prop): Use INSN_P and initialise set.
7634 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
7636 * README.AVR : Removed.
7638 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
7640 * pa-64.h (text_section): Remove declaration.
7642 * pa.md (return_internal): Remove mode on PIC register use.
7644 2001-01-25 lars brinkhoff <lars@nocrew.org>
7646 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
7647 ASM_CLOSE_PAREN): fix typos.
7649 2001-01-25 Mark Mitchell <mark@codesourcery.com>
7651 * acconfig.h: Define `const' to the empty string if neither
7652 __STDC__ nor __cplusplus is defined.
7653 * config.in: Regenerated.
7655 2001-01-25 David Edelsohn <edelsohn@gnu.org>
7657 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
7658 * collect2.c (main): Delete importf. Add ".obj" file extension.
7659 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
7660 (aix_std_libs): Add additional AIX libraries to skip.
7661 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
7662 * config/rs6000/aix51.h: New file.
7664 2001-01-25 Michael Hayes <mhayes@redhat.com>
7666 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
7667 (loop_insn_emit_before): No longer static.
7668 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
7669 (loop_givs_rescan, load_mems): Likewise.
7670 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
7671 (maybe_eliminate_biv_1):
7672 (move_movables): Replace emit_call_insn_before with
7673 loop_call_insn_hoist.
7674 * loop.h (loop_insn_emit_before): Add.
7675 * unroll.c (copy_loop_body): Replace emit_insn_before with
7676 loop_insn_emit_before.
7678 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
7680 * diagnostic.c (fatal): Request preprocessed source.
7682 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
7684 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
7685 olddecl has argument types and newdecl has none, use the argument
7688 2001-01-24 Ulrich Drepper <drepper@redhat.com>
7690 * dwarf2out.c (prefix_of): New function. Determine longest common
7691 prefix of the two arguments. The units are whole path components.
7692 (output_file_names): When adding a new directory find the one entry
7693 with the longest common prefix already in the list. Artificially
7694 generate entry if there is none for this prefix.
7695 Fix test to check whether the zeroth directory entry is used.
7697 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
7699 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
7700 Changed all callers. Take it into account when deciding if a
7701 previously loaded value matches.
7703 2001-01-24 Richard Henderson <rth@redhat.com>
7705 * reload.c (find_reloads_subreg_address): Fail the substitution
7706 if the resulting address is insufficiently aligned.
7708 2001-01-24 DJ Delorie <dj@redhat.com>
7710 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
7711 check the original operand's mode also.
7712 * simplify-rtx.c (simplify_ternary_operation): Ditto.
7714 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7716 * c-parse.in (cast_expr): Move compound literals from here ...
7717 (primary): ... to here. Use standard terminology "compound
7718 literal" instead of "constructor expression".
7720 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7722 * gcc.1, cpp.1: Regenerate.
7724 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
7726 * calls.c (emit_library_call_value_1): Memory slot for
7727 pass-by-reference argument should have the mode of the argument,
7728 not of the pointer to it.
7730 2001-01-24 Tom Tromey <tromey@redhat.com>
7732 * gcc.texi (G++ and GCC): Mention gcj manual.
7733 (Standards): Link to section of manual mentioning gcj/Java
7736 2001-01-24 Jakub Jelinek <jakub@redhat.com>
7738 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
7739 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
7740 * tradcpp.c (main): Add -imacros or -include'd dependencies
7742 * cpp.texi (-M, -MM): Document -M -include behaviour.
7744 2001-01-24 Roger Collins <roger@ProProject.com>
7746 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
7748 2001-01-24 Will Cohen <wcohen@redhat.com>
7750 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
7751 whether registers are 32 bits or 64 bits in size.
7753 2001-01-24 Ben Elliston <bje@redhat.com>
7755 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
7757 2001-01-24 Richard Henderson <rth@redhat.com>
7759 * config/alpha/alpha.md (builtin_longjmp_internal): New.
7760 (builtin_longjmp): Use it instead of emit_indirect_jump.
7762 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
7764 * bb-reorder.c (make_reorder_chain_1): Handle case where
7765 jump edge goes to the same block as the fallthru edge.
7767 2001-01-23 Jim Wilson <wilson@redhat.com>
7769 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
7770 * frame.h (__ia64_personality_v1): Add prototype.
7771 * libgcc2.c (ia64_throw_helper): Change personality declaration to
7772 prototype form. Add void * cast to first argument to personality
7774 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
7775 (asctoe113): Likewise.
7776 * config/ia64/frame-ia64.c: Include eh-common.h.
7777 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
7779 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
7781 (itanium_split_issue): Add prototype.
7782 (gen_nop_type): Ifdef out.
7783 (find_best_packet): Initialize best_packet.
7784 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
7786 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
7787 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
7788 (flushrs): Add explicit stop bit at end.
7789 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
7792 2001-01-23 Chris Demetriou <cgd@broadcom.com>
7794 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
7796 * libgcc2.c (__terminate_func): Make variable static.
7797 (__terminate_set_func): New function to set __terminate_func.
7798 * libgcc2.h (__terminate_func_ptr): New typedef.
7799 (__terminate_set_func): New function.
7801 2001-01-23 Richard Henderson <rth@redhat.com>
7803 * flow.c (init_propagate_block_info): Don't consider unchanging
7804 memories for dead frame store elimination.
7806 2001-01-23 Richard Henderson <rth@redhat.com>
7808 * varasm.c (UNIQUE_SECTION): Move default implementation ...
7809 * defaults.h: ... here.
7811 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7813 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
7815 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
7817 * c-lex.c (lex_charconst): Fix typo: s/p/str.
7819 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7821 * rs6000.h (rs6000_return_addr): Move prototype from here...
7822 * rs6000-protos.h (rs6000_return_addr): ...to here.
7823 (rs6000_init_expanders): Delete prototype.
7825 2001-01-23 Nick Clifton <nickc@redhat.com>
7827 * invoke.texi: Replace , with \, inside @gccoptlist macros.
7828 (Spec Files): Document %B and %j and %. and %v3 and %M and
7829 %{S*&T} spec switches.
7831 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7833 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
7835 2001-01-23 Chris Demetriou <cgd@sibyte.com>
7836 Neil Booth <neil@daikokuya.demon.co.uk>
7838 * cpperror.c: Merge handlers of PEDWARN and WARNING.
7839 Have -Werror make pedantic warnings errors, like the
7842 2001-01-23 Phil Edwards <pme@sources.redhat.com>
7844 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
7846 2001-01-23 Jakub Jelinek <jakub@redhat.com>
7848 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
7849 * integrate.c (expand_inline_function): Initialize them.
7850 (subst_constants): If changing COMPARE so that both its arguments
7851 will be VOIDmode and the comparison mode will be lost, note
7852 compare_mode. Use the recorded compare_mode to optimize
7855 2001-01-23 Jason Merrill <jason@redhat.com>
7857 * dwarf2out.c (new_die): Use xcalloc.
7858 (output_die): Abort rather than emit a local reference to offset 0.
7860 2001-01-17 Andrew Haley <aph@redhat.com>
7862 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
7863 of a saved register; return NULL instead.
7864 (copy_reg): Take a pointer to a source register rather than a
7866 (next_stack_level): Remember the address in the stack frame of all
7868 Use the saved register pointer array as the source of the CFA.
7869 (throw_helper): Rewrite. Unwind once rather than twice and keep
7870 track of saved registers as we go.
7872 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7874 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
7875 * c4x.c (c4x_legitimize_reload_address): Remove.
7876 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
7877 reload address for ldp(k) insn.
7879 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
7881 * pa.md (return_internal): Add a USE of the PIC register to ensure
7882 it is restored after each call.
7883 (return expander): Corresponding changes.
7885 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7887 * rs6000.h (INIT_EXPANDERS): Delete.
7888 (RETURN_ADDR_RTX): Call rs6000_return_addr().
7889 * rs6000.c (rs6000_override_options): Call *_machine_status from
7891 (rs6000_init_expanders): ...instead of here. Delete.
7892 (rs6000_mark_machine_status): New function.
7893 (rs6000_init_machine_status): Use xcalloc.
7894 (rs6000_return_addr): Generate RTX for the return address.
7895 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
7896 (rs6000_stack_info): Use it.
7898 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
7900 * gthr-win32.h: Include errno.h to get a declaration for
7901 EINVAL and _mingw.h if the target is mingw32.
7903 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
7905 * cpp.texi: Correct typos.
7907 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7909 * explow.c (probe_stack_range): Ensure value passed to
7910 stack_check_libfunc is ptr_mode, not Pmode.
7912 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
7914 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
7915 case, don't use operand_subword to calculate a SUBREG that is
7918 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
7920 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7922 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
7923 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
7924 valid. If not replace it by equivalent insns.
7926 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7928 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
7929 contains SYMBOL_REF, LABEL_REF and CONST_INT.
7930 (c4x_U_constraint, symbolic_address_operand): Likewise.
7931 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
7933 (c4x_r11_set_p, c4x_check_laj_p): New functions.
7934 * c4x-protos.h (c4x_check_laj_p): Add prototype.
7935 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
7936 anulling slot because of silicon bug.
7937 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
7939 2001-01-22 Alan Modra <alan@linuxcare.com.au>
7941 * cppexp.c (parse_charconst): Change `mask' type to agree
7944 2001-01-21 Richard Henderson <rth@redhat.com>
7946 * config/i386/i386.c (ix86_asm_file_end): Disable putting
7947 pic_label_name in a linkonce section.
7949 2001-01-17 Philipp Thomas <pthomas@suse.de>
7951 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
7953 * configure: Regenerate.
7955 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
7957 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
7958 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
7960 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
7962 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7963 If REVERSE nonzero then condition code in X must be reversed.
7964 (encode_section_info): Optimise if/else.
7965 (avr_function_value): Fix formatting.
7967 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
7968 (difficult_branch): Likewise.
7969 (rvbranch): Likewise.
7970 (difficult_rvbranch): Likewise.
7972 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
7974 * config/avr/libgcc.S: Fix comment.
7976 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7978 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
7980 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7982 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
7984 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7986 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
7987 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
7988 * configure, config.in: Regenerate.
7989 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
7990 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
7991 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
7992 (doprint.o): New rule.
7994 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
7996 * c-typeck.c (digest_init): Handle boolean types as scalars.
7998 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8000 * stmt.c (expand_return): Don't return anything if size is zero.
8001 Delete redundant assignment to BYTES.
8002 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
8004 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
8006 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
8007 the same as the default library function names.
8008 * config/avr/avr.md: Document special characters after '%'.
8009 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
8010 knowing which of the call-used registers are really clobbered.
8011 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
8012 New. Both quotient and remainder from one libgcc.S call.
8013 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
8014 clobber as few registers as possible.
8015 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
8017 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
8019 * cppmacro.c (funlike_invocation_p): Don't move back up to the
8020 context of the top of the stack.
8022 2001-01-20 Jakub Jelinek <jakub@redhat.com>
8024 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
8025 (fixup_var_refs_insns): ...here.
8027 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
8029 * function.c (fixup_var_refs_insns): Break up into
8030 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
8031 [loop over entire insn list], and fixup_var_refs_insns_with_hash
8032 [loop over hash table entries].
8033 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
8034 fixup_var_refs_insns_with_hash, to match above changes.
8036 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
8038 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
8039 (libgcc.a): Likewise.
8040 (stmp-multilib): Likewise.
8041 (STAGE2_FLAGS_TO_PASS): Likewise.
8043 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
8045 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
8046 temporary if no_new_pseudos.
8048 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
8050 * cppinternals.texi: Update.
8052 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
8054 * arm.c (arm_init_builtins): Re-enable builtins.
8056 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8058 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
8059 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
8060 element to be null, and always expect an EXPR_LIST.
8061 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
8062 * sched-deps.c (sched_analyze_1): Likewise.
8063 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8065 * regclass.c (max_set_parallel): New variable.
8066 (reg_scan): Take it into account in computation of max_parallel.
8067 (reg_scan_mark_refs, case SET): Compute it.
8069 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
8071 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
8072 * function.c (assign_parms): Use INTVAL for a CONST_INT.
8074 2001-01-19 Jason Merrill <jason@redhat.com>
8076 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
8077 for the abstract instance of an inline function.
8079 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
8080 J"orn Rennecke <amylaar@redhat.com>
8082 * reload1.c (move2add_note_store): Treat all registers directly or
8083 indirectly derived from a base register as members of the same set
8085 (reload_cse_move2add): Adjust accordingly. Take mode and offset
8086 of base register into account.
8088 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
8090 * alias.c (find_base_value): Recognize TRUNCATE.
8091 (record_set): In PLUS case, invalidate if other summand is also a
8094 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8096 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
8097 entry to be EXPR_LIST.
8098 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
8099 be an EXPR_LIST (but not null, which other code doesn't allow).
8100 (note_stores): Properly handle PARALLEL in SET.
8101 Recursively call for top-level PARALLEL.
8102 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
8103 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8105 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
8107 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
8109 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
8110 not pfile->skipping (== 0).
8112 2001-01-17 Nick Clifton <nickc@redhat.com>
8114 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
8117 2001-01-17 Jim Wilson <wilson@redhat.com>
8119 * invoke.texi (IA-64 options): Improve.
8121 2001-01-17 Tom Tromey <tromey@redhat.com>
8123 * invoke.texi (Optimize Options): Use `{}' to around @samp
8126 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
8128 * invoke.texi (-fno-guess-branch-probability): New option.
8130 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8132 * combine.c (try_combine): Don't set i3_subst_into_i2 for
8133 case of making new double-word constant.
8134 Revert last change: instead just test i3_subst_into_i2.
8136 2001-01-17 Jakub Jelinek <jakub@redhat.com>
8138 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
8139 Use q constraints instead of r.
8141 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
8143 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
8144 (machine_function): Define.
8145 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
8146 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
8147 pa_free_machine_status): New functions.
8148 (override_options): Set {init,mark,free}_machine_status to above.
8149 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8150 PIC_OFFSET_TABLE_REGNUM_SAVED.
8151 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8152 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
8153 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
8154 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
8155 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8157 2001-01-15 DJ Delorie <dj@redhat.com>
8159 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
8163 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8165 * flow.c (propagate_on_insn): Make trying to delete a prologue
8166 or epilogue insn an ICE, not a warning. Allow doing this if
8167 the current function returns with stack pointer depressed.
8169 * combine.c (try_combine): If i3_subst_into_i2, properly check for
8170 I3 having more than one SET.
8172 2001-01-16 Jim Wilson <wilson@redhat.com>
8174 * invoke.texi: Document IA-64 options.
8176 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
8177 (fixup_errata): Delete TARGET_A_STEP use.
8178 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
8179 (TARGET_SWITCHES): Delete -ma-step option.
8180 * config/ia64/ia64.md (all FP patterns): Delete %B0.
8181 (movqicc_astep, movqi_internal_astep, movhicc_astep,
8182 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
8183 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
8184 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
8185 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
8187 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
8188 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
8189 cmovsi_internal): Delete ! TARGET_A_STEP check.
8191 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8193 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
8194 possibility to report bugs via postal mail. Change a URL and
8195 merge in a nearly duplicate statement...
8196 (Bug Reporting): ...from here.
8197 (Service): Refer to the Bug Reporting section instead of
8199 (Contributing): Remove trivial explanations concerning snapshots.
8201 2001-01-16 Alan Modra <alan@linuxcare.com.au>
8203 * cppmain.c (general_init): Don't use ANSI prototype.
8205 2001-01-16 Tom Tromey <tromey@redhat.com>
8207 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
8209 2001-01-16 Richard Henderson <rth@redhat.com>
8211 * config/i386/i386.h: Fix comment typo.
8212 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
8213 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
8215 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8217 * gcc.c: Revert previous -fsyntax-only-related change; move
8220 2001-01-16 Jakub Jelinek <jakub@redhat.com>
8222 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
8223 inmode after checking GET_CODE (op).
8225 2001-01-16 Richard Henderson <rth@redhat.com>
8227 * flow.c (struct propagate_block_info): Add mem_set_list_len.
8228 (MAX_MEM_SET_LIST_LEN): New.
8229 (propagate_one_insn): Update mem_set_list_len.
8230 (invalidate_mems_from_autoinc): Likewise.
8231 (invalidate_mems_from_set): Likewise.
8232 (mark_used_regs): Likewise.
8233 (init_propagate_block_info): Likewise. Stop collecting memories
8234 when we reach MAX_MEM_SET_LIST_LEN.
8235 (mark_set_1): Likewise.
8237 2001-01-16 Richard Henderson <rth@redhat.com>
8239 * unroll.c (precondition_loop_p): Fail if no iteration
8242 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8244 * gcc.c: When -fsyntax-only is given, do not complain about
8247 2001-01-15 Richard Henderson <rth@redhat.com>
8249 * config/i386/i386.c (asm_output_function_prefix): Remove.
8250 (ix86_asm_file_end): New.
8251 (load_pic_register): Generate pic_label_name into a
8252 staticly allocated buffer.
8253 * config/i386/i386-protos.h: Update.
8254 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
8255 (ASM_FILE_END): New.
8256 * config/i386/i386afe.h: New file.
8257 * config.gcc (i?86-*-elf) [tm_file]: Use it.
8258 (i?86-*-{freebsd,linux*,moss*}): Likewise.
8259 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
8260 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
8261 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
8262 * config/i386/sco5.h (ASM_FILE_END): Likewise.
8263 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
8265 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
8267 * Makefile.in (install-man): Remove explicit dependency on
8270 * configure.in, configure: Revert previous patch requiring perl
8273 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
8275 * toplev.c (flag_guess_branch_prob): New.
8276 (f_options): Add guess-branch-probability option.
8277 (rest_of_decl_compilation): Only estimate branch probability if
8279 (main): set flag_guess_branch_prob.
8281 * flags.h (flag_guess_branch_prob): New.
8283 2001-01-15 DJ Delorie <dj@redhat.com>
8285 * gcc.texi (Makefile): Add documentation for Makefile targets.
8287 2001-01-15 Philip Blundell <philb@gnu.org>
8289 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
8291 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
8292 (is_pic): Delete declaration.
8293 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
8294 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
8295 * config/arm/arm.md (builtin_setjmp_receiver): New.
8297 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8299 * arm.c (use_return_insn): Don't try to determine the function type
8300 until after reload has completed.
8301 (arm_output_epilogue): Don't adjust the sp value recovered from the
8303 (emit_multi_reg_push): Don't record dwarf information for the pc.
8304 * arm.md (eh_epilogue): The function type may have changed, so it
8305 needs to be recalculated.
8306 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
8307 unwind tables on arm/netbsd.
8309 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8311 * arm.md (cbranchsi4): Correct calculation of branch ranges.
8312 (negated_cbranchsi4): Likewise.
8314 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8316 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
8317 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8318 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
8319 pass -mapcs-* options to assembler.
8320 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
8321 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8322 (ASM_SPEC): Call subtarget_extra_asm_spec.
8324 2001-01-15 Andreas Jaeger <aj@suse.de>
8326 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
8328 (ix86_expand_builtin): Likewise.
8330 * gencodes.c (output_predicate_decls): Make i size_t to avoid
8331 warning about comparison between signed and unsigned.
8333 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8335 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
8337 2001-01-14 Ralf Baechle <ralf@gnu.org>
8339 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
8340 SUBTARGET_CPP_SPEC apropriatly.
8342 2001-01-12 Mark Mitchell <mark@codesourcery.com>
8344 * varasm.c (make_decl_rtl): Fix typo in last change.
8346 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
8348 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
8349 linker supports the init_priority C++ attribute.
8350 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
8351 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
8352 linker does not support init_priority C++ attribute.
8354 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
8356 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
8358 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8360 * c-parse.in (finish_parse): Add comment about cpp_destroy.
8361 * cp/lex.c (finish_parse): Similarly.
8362 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
8363 Return the number of errors encountered.
8364 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
8365 * cppmain.c (main): Don't call cpp_destroy.
8367 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
8369 * configure.in: Require at least perl 5.6.0 to regenerate
8371 * configure: Regenerate.
8373 2001-01-14 Richard Henderson <rth@redhat.com>
8375 * genrecog.c (DT_veclen_ge): New.
8376 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
8377 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
8378 (nodes_identical_1): Handle DT_veclen_ge.
8379 (write_cond, debug_decision_2): Likewise.
8381 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8383 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
8385 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
8387 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8389 * cppmain.c (do_preprocessing): New function; most of the old
8391 (main): Call it to do most of the work.
8392 (cb): Move from global scope to set_callbacks ().
8393 (setup_callbacks): Get the callback pointer.
8394 (general_init, printer_init): Clean up code and comments.
8396 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8398 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
8401 2001-01-14 Kazu Hirata <kazu@hxi.com>
8403 * config/h8300/h8300.c (get_shift_alg): Update comments.
8405 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8407 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
8408 (alloc_page, ggc_alloc): Add casts to remove warnings.
8410 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8412 * combine.c (simplify_comparison): Don't change `code' when
8413 can't reverse comparison.
8415 2001-01-14 Richard Henderson <rth@redhat.com>
8417 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
8418 update all call sites. Return true for all non-label constants.
8420 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
8422 * i386.c (ix86_expand_compare): Add bypass_test and second_test
8424 (ix86_expand_branch): Update.
8425 (ix86_expand_setcc): Update to handle multiple test conditions.
8426 (expand_int_movcc): Likewise.
8427 (expand_fp_movcc): Likewise.
8428 * i386-protos.h (ix86_expand_compare): New.
8429 * i386.md (andqi_?_slp, orqi_?_slp): New.
8430 (conditional trap expander): Update call to ix86_expand_compare.
8432 2001-01-14 Richard Henderson <rth@redhat.com>
8434 * config/vax/vax.md: Use nonimmediate_operand instead of
8435 general_operand in destinations.
8437 * config/vax/vax.md (indirect_jump): Use register_operand.
8439 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
8440 * config/vax/vax.md (call_pop): Turn into an expander.
8441 (call_value_pop): Likewise.
8442 (call, call_value): New.
8444 2001-01-14 Andreas Jaeger <aj@suse.de>
8446 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
8448 (ix86_fp_compare_mode): Add unused attribute.
8449 (ix86_expand_fp_movcc): Remove unused variable.
8450 (ix86_expand_builtin): Make fcode unsigned.
8452 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
8453 (expand_expr): Add cast to avoid signed warning.
8454 (store_field): Likewise.
8455 (store_constructor_field): Likewise.
8456 (store_constructor): Likewise.
8457 (store_expr): Likewise.
8458 (clear_storage): Likewise.
8459 (emit_group_store): Likewise.
8460 (emit_group_load): Likewise.
8462 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8464 * c-common.c: Move format checking code to ...
8465 * c-format.c: ... here. New file. Reorder some functions and
8467 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
8469 * c-common.h (decl_handle_format_attribute,
8470 decl_handle_format_arg_attribute): Declare.
8471 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
8472 (c-common.o): Adjust dependencies.
8473 (c-format.o): New list of dependencies.
8475 2001-01-13 Jakub Jelinek <jakub@redhat.com>
8477 * unroll.c (loop_iterations): If we cannot prove iteration variable
8478 is set once in each iteration, punt.
8480 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
8482 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
8483 (*strlenhi): Remove clobber (which was buggy) of output address.
8485 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8487 * Makefile.in (generated-manpages): Add gcc.1
8488 ($(srcdir)/gcc.1): New target.
8489 (maintainer-clean): Delete $(srcdir)/gcc.1.
8490 * gcc.texi: Add macros @gccoptlist and @gol.
8491 * invoke.texi: Include option summary in manpage. Mark up option
8492 summary with @gccoptlist and @gol. Use @r in one place where
8494 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
8495 * gcc.1: Generate from invoke.texi.
8497 2001-01-13 Richard Henderson <rth@redhat.com>
8499 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
8500 (struct page_entry): Add group member.
8501 (struct page_group): New.
8502 (struct globals): Add page_groups member.
8503 (alloc_anon): Only define for using mmap; remove valloc call.
8504 (page_group_index): New.
8505 (set_page_group_in_use): New.
8506 (clear_page_group_in_use): New.
8507 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
8508 (free_page, release_pages): Likewise.
8509 * configure.in (with-gc): Default to ggc-page always.
8511 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8513 * reload1.c (replace_pseudos_in_call_usage): Use
8514 reg_equiv_constant and reg_equiv_address, and don't try
8515 regno_reg_rtx first.
8517 2001-01-13 Richard Henderson <rth@redhat.com>
8519 * ggc-page.c (alloc_page): Round up allocation size to one page.
8520 Set e->order on extra pages.
8522 2001-01-13 Richard Henderson <rth@redhat.com>
8524 * genrecog.c (nodes_identical): Expand commentary.
8525 (write_switch): Watch out for identical nodes.
8527 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8529 * cppfiles.c (_cpp_fake_include): New function.
8530 * cpphash.h (_cpp_fake_include): New.
8531 * cpplib.c (do_line): Call _cpp_fake_include when entering
8532 header files in preprocessed input.
8533 * cppmain.c (cb_pragma_implementation): Remove handling.
8534 (setup_callbacks): Don't register pragmas.
8536 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8538 * extend.texi: Udate for CPP.
8540 2001-01-13 Andreas Jaeger <aj@suse.de>
8542 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
8544 * regmove.c: Add prototype for replace_in_call_usage.
8546 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8548 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
8549 struct cpp_chunk, struct htab, struct toklist,
8550 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
8551 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
8552 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
8553 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
8554 (struct macro_args): Delete.
8555 * cpphash.h: See above.
8557 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8559 * cppmain.c (struct printer): Remove no_line_dirs.
8561 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
8562 : Use options rather than CPP_OPTION.
8563 (setup_callbacks): Use cb rather than pfile->cb.
8564 (main): No need to check for a buffer. Use cpp_errors.
8565 (printer_init): Don't set no_line_dirs.
8566 (maybe_print_line): Use options not no_line_dirs.
8567 (cb_file_change): Don't call print_line if -P.
8569 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8571 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
8573 * c-parse.in (finish_parse): Use cpp_errors.
8574 (__yylex): Use return value of cpp_pop_buffer.
8575 * cp/lex.c (finish_parse): Use cpp_errors.
8576 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
8578 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
8580 * README.AVR: URLs corrected.
8582 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8584 * c-decl.c (start_function): Don't warn if old prototype is builtin
8585 that's not in C's namespace.
8586 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
8587 (_bb): Add prototype for ctime.
8588 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
8590 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
8592 * i386.c (ix86_fp_comparison_arithmetics_cost,
8593 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
8594 ix86_fp_comparison_cost): New functions.
8595 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
8596 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
8597 two-branch sequences; make static.
8598 (ix86_use_fcomi_compare): Do decision according to the costs.
8599 (split_fp_branch): New.
8600 * i386.md (compare-and-branch patterns): Use split_fp_branch.
8601 * i386-protos.h (ix86_expand_fp_compare): Remove
8602 (ix86_split_fp_branch): Declare.
8604 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
8605 and ix86_comparison_operator.
8607 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
8610 * i386.c (put_condition_code): Output properly the unordered/ordered
8611 compares in fp case.
8612 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
8614 * tm.texi (REVERSE_CONDITION): Document.
8615 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
8616 in -ffast-math mode.
8617 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
8619 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8621 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
8623 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
8626 * config/sh/sh.c (mova_p): Fix test for mova_const.
8628 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8630 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
8631 cpp_get_options rather than dereferencing pfile and using
8633 * scan-decls.c (scan_decls): Use return value of
8634 cpp_pop_buffer rather than CPP_BUFFER.
8636 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8638 * cppinit.c (cpp_handle_option): help_only is now part of the
8639 cpp_options structure.
8640 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
8641 cpp_set_callbacks): New functions.
8642 * cpplib.h (cpp_callbacks): Break out as a named structure.
8643 (cpp_options): Move help_only here from cpp_reader.
8644 (CPP_FATAL_ERRORS): Update to use cpp_errors.
8645 (cpp_errors, cpp_get_options, cpp_get_callbacks,
8646 cpp_set_callbacks): New prototypes.
8647 * cppmain.c (main): Update for help_only.
8649 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8651 * Makefile.in (info, maintainer-clean, install-info, uninstall):
8652 Also build and remove and install and uninstall c-tree.info and
8654 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
8655 ($(srcdir)/cppinternals.info): New target.
8656 * c-tree.texi: Change file name used when makeinfo used without -o
8657 from ir.info to c-tree.info. Add info directory entry.
8658 * cppinternals.texi: Add info directory entry.
8659 * .cvsignore: Update.
8661 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8663 * c-typeck.c (store_init_value): Don't require constant initializer
8664 elements with -pedantic -std=c99.
8665 (digest_init): Change error about non-constant initializer elements
8667 (constructor_range_end): Remove.
8668 (constructor_incremental, designator_depth,
8669 designator_errorneous): New variables.
8670 (struct constructor_stack): Remove range_end, add incremental.
8671 (struct constructor_range_stack, constructor_range_stack): New.
8672 (struct initializer_stack): Add constructor_range_stack.
8673 (finish_init): Set it.
8674 (start_init): Likewise. require_constant_elements for non-static
8675 trees only if not flag_isoc99.
8676 (really_start_incremental_init): Remove constructor_range_end, add
8677 constructor_incremental.
8678 (pop_init_level): Likewise.
8679 (push_init_level): Likewise. If implicit and the subobject had some
8680 value set already, preinitialize the level with it.
8681 Warn about missing braces only if not pushing due to designators.
8682 (set_designator, push_range_stack): New functions.
8683 (set_init_label): Use them.
8684 (set_init_index): Likewise. Remove constructor_range_end.
8685 Error if designator index is outside of array bounds.
8686 (add_pending_init): Compare values of purpose index trees, not the
8687 trees themselves. Allow overwriting of already initialized element.
8688 Issue a warning if it had side-effects.
8689 (set_nonincremental_init, set_nonincremental_init_from_string): New
8691 (pending_init_member): Rename to...
8692 (find_init_member): ...this function. Call set_nonincremental_init
8693 if necessary. Compare values of purpose index trees, not the trees
8694 themselves. Return the actual value, not just non-zero if something
8696 (output_init_element): Remove checks for duplicates.
8697 If field has zero size, only check the initializer for correctness.
8698 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
8699 if constructor_incremental is zero. Change error about initializers
8700 not computable at load time into pedwarn.
8701 (output_pending_init_elements): Compare bit positions, not
8702 FIELD_DECLs to take into account zero-sized fields.
8703 (process_init_element): Use constructor_range_stack to fill all
8704 ranges in the designator lists from current level up.
8705 * extend.texi: Update documentation for labeled elements.
8707 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
8709 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
8710 to function usage for arguments passed by reference. Optimize
8711 callee-copied arguments.
8712 * regmove.c (replace_in_call_usage): New function.
8713 (fixup_match_1): Call it.
8714 * cse.c (cse_insn): Canonicalize registers in function usage.
8715 * reload1.c (replace_pseudos_in_call_usage): New function.
8718 * Makefile.in: Reverted yesterday's wrong patch. Installed the
8721 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8723 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
8726 2001-01-12 DJ Delorie <dj@redhat.com>
8728 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
8729 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
8732 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8734 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
8735 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
8736 -std options alongside references to -ansi. Update some
8737 documentation for C99.
8738 * cpp.1: Regenerate.
8740 2001-01-12 Andreas Jaeger <aj@suse.de>
8742 * haifa-sched.c (restore_line_notes): Remove argument block B
8744 * sched-ebb.c (schedule_ebb): Change caller.
8745 * sched-rgn.c (schedule_region): Likewise.
8746 * sched-int.h (restore_line_notes): Adjust prototype.
8748 * loop.h: Remove wrong declaration of doloop_condition_get.
8750 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8752 * extend.texi: Move C++-extension-related node from the C section
8753 into the C++ section.
8755 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8757 * extend.texi: Refer to an array of pointers to functions instead
8758 of one of functions.
8760 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
8761 Jan Hubicka <jh@suse.cz>
8763 * combine.c (reversed_comparison): Fix typo in last patch.
8765 (combine_reversed_comparison_code): Make static to follow
8766 prototype declaration.
8768 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8770 * install.texi: Remove misplaced duplicate entry.
8772 2001-01-11 Ulrich Drepper <drepper@redhat.com>
8774 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
8776 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
8778 * final.c: (leaf_function_p): Fix typo.
8780 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
8782 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
8783 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
8785 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
8786 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
8787 mmap_anon, and valloc is available.
8788 * ggc-page.c: Restructure ifdef logic to match new autoconf
8789 spec. Don't throw away the test page in init_ggc.
8791 * configure, config.in: Regenerate.
8793 2001-01-12 Michael Hayes <mhayes@redhat.com>
8795 * loop.h (total_biv_increment): Constify iv_class pointer.
8796 (struct induction): Replace `mem_mode' with `mem' rtx.
8797 * unroll.c (total_biv_increment): Constify iv_class pointer.
8798 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
8799 (find_mem_givs, combine_givs_p): Likewise.
8800 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
8802 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
8804 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
8806 (__gthread_getspecific): Ditto.
8808 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
8810 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
8811 put_condition_code): Convert fp comparison codes to integer
8813 (ix86_expand_fp_compare): Postnote the fp comparison code converison
8816 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
8817 * i386-protos.h (no_comparison_operator): Kill.
8819 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
8821 * combine.c (REVERSIBLE_CC_MODE): Remove.
8822 (reversible_comparison_p): Remove.
8823 (combine_reversed_comparison_code): New.
8824 (reversed_comparison): New.
8825 (combine_simplify_rtx): Use
8826 combine_reversed_comparison_code/reversed_comparison instead
8827 of reversible_comparison_p.
8828 (simplify_if_then_else): Likewise.
8829 (simplify_set): Likewise.
8830 (simplify_logical): Likewise.
8831 (if_then_else_cond): Likewise.
8832 (known_cond): Likewise.
8833 (simplify_comparison): Likewise.
8835 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
8837 * builtins.c (std_expand_builtin_va_start): Handle varargs when
8838 sizeof (int) is larger than sizeof(__word__).
8840 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8842 * cppinit.c (do_includes): Fix typo.
8844 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8846 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
8847 in S_REGS does not occur because not all sources are possible
8848 when a S_REGS is a destination (sometimes needs a clobber).
8849 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
8850 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
8851 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
8852 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
8853 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
8854 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
8855 (lshrdi_const1, lshrsi3_const16): Likewise.
8856 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
8857 (*movhi_68hc12, *movqi_68hc12): Likewise.
8858 (movstrictqi): Make sure reloading in D_REGS as a destination
8861 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8863 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8865 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8867 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
8868 -D, -U and -A, and don't initialize the builtins.
8869 (do_includes): Error if -include or -imacros with -fpreprocessed.
8870 * cppmain.c (cb_define, cb_undef): Unconditionally process
8872 * tradcpp.c (main): Fix typo.
8874 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
8876 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
8877 (read_name_map): Use IS_ABSOLUTE_PATH.
8878 * tradcpp.c (get_filename): Likewise.
8880 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8882 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
8883 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
8884 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
8885 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
8886 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
8887 (cmphi_z_used): Don't use '@' for the output.
8888 (tstqi_z_used): Likewise.
8889 (cmpqi_z_used): Likewise.
8890 (one_cmplsi2): Likewise.
8892 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8894 * config/sh/sh.c (barrier_align): Recognize branch around far
8895 branch and redundant insn.
8897 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8899 * invoke.texi: Restore documentation of the drivers' switches -MD
8902 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8904 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
8906 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
8907 check-objc//%): Support parallel testing of multilibs.
8908 (TESTSUITEDIR): Set to testsuite by default, but override for
8910 (check-gcc, check-g++, check-g77, check-objc): Enter
8913 2001-01-11 Bernd Schmidt <bernds@redhat.com>
8915 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
8916 * sched-deps.c (deps_may_trap_p): Likewise.
8917 * basic-block.h: Remove a comment.
8918 * flow.c (PROP_POSTRELOAD): Remove.
8919 (update_life_info): Don't add it to prop_flags.
8920 (mark_set_1): Lose the code that was enabled by it.
8922 2001-01-11 Michael Hayes <mhayes@redhat.com>
8924 * flow.c (flow_call_edges_add): New.
8925 * basic_block.h (flow_call_edges_add): New.
8927 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
8929 * reload1.c (move2add_note_store): Update reg_set_luid even if
8930 base reg remains the same.
8932 2001-01-10 Nick Clifton <nickc@redhat.com>
8934 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
8935 machine_function structure to zero.
8936 Add prototypes for machine_status functions.
8938 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8940 * c-common.h (CTI_VOID_LIST): Remove.
8941 (void_list_node): Likewise.
8942 * tree.h (TI_VOID_LIST_NODE): New enumeral.
8943 (void_list_node): New macro.
8944 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
8945 * config/i386/i386.c (ix86_init_builtins): Likewise.
8946 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
8948 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8950 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
8951 * cppinit.c (cpp_start_read): Update comment, remove unneeded
8953 * tradcpp.c: Include mkdeps.h.
8954 (deps, print_deps_phony_targets, deps_append, output_deps,
8955 init_dependency_output, output_deps): New.
8956 (deps_buffer, deps_allocated_size, deps_size, deps_column,
8957 deps_output): Delete.
8958 (print_deps_missing_files): Rename deps_missing_files.
8959 (inhibit_output): Make global.
8960 (main): Delete inhibit_output, deps_stream, deps_target.
8961 Use mkdeps functionality in the same way as cpplib. Remove
8962 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8963 -M and -MM. Remove old handling of deps via deps_out, and
8964 old reading of environment variables.
8965 (get_filename): Update to use deps_add_dep.
8967 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8969 * output.h (make_function_rtl): Remove prototype.
8970 (make_decl_rtl): Likewise.
8971 * varasm.c (make_function_rtl): Remove.
8972 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
8973 than from a third parameter.
8974 * tree.h (make_decl_rtl): Remove last parameter.
8975 * c-decl.c (builtin_function): Remove last argument in call to
8976 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
8977 (start_function): Likewise.
8978 * except.c (call_get_eh_context): Likewise.
8979 * expr.c (emit_block_move): Likewise.
8980 (clear_storage): Likewise.
8981 * profile.c (output_func_start_profiler): Likewise.
8982 * toplev.c (rest_of_decl_compilation): Likewise.
8983 * objc/objc-act.c (create_builtin_decl): Likewise.
8984 (synth_module_prologue): Likewise.
8985 (generate_static_reference): Likewise.
8986 (build_selector_reference_decl): Likewise.
8987 (build_class_reference_decl): Likewise.
8988 (build_objc_string_decl): Likewise.
8989 (build_protocol_reference): Likewise.
8991 2001-01-10 Richard Henderson <rth@redhat.com>
8993 * hwint.h: Revert yesterday's change.
8995 2001-01-10 Nick Clifton <nickc@redhat.com>
8997 * function.h (save_machine_status): Delete.
8998 (restore_machine_status): Delete.
8999 Amend comment describing {init|mark|free}_machine_status.
9001 * function.c (save_machine_status): Delete.
9002 (restore_machine_status): Delete.
9003 Amend comment describing {init|mark|free}_machine_status.
9004 (push_function_context_to): Remove invocation of
9005 save_machine_status.
9006 (pop_function_context_from): Remove invocation of
9007 restore_machine_status.
9009 * emit-rtl.c (init_emit_once): Amend comment describing
9010 {init|mark|free}_machine_status.
9012 * tm.texi (Per-Function Data): New node. Describe the
9013 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
9016 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9018 * cppinit.c (OPT_g): Remove.
9019 (cpp_handle_option): Update for removed -g3.
9020 (print_help): Update.
9021 * cpplib.h (struct cpp_options): Remove debug_output.
9022 * cppmain.c (setup_callbacks, cb_define): Update.
9023 * gcc.c (cpp_options): Translate -g3 to -dD.
9025 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
9027 * config/i960/i960.md: Change modifier to + on the zero_extract
9028 pattern after the (rotate -2 reg) canonicalization pattern.
9030 2001-01-10 Richard Henderson <rth@redhat.com>
9032 * config/alpha/alpha.c (alpha_free_machine_status): New.
9033 (override_options): Install it.
9034 (alpha_mark_machine_status): Verify machine non-null.
9035 * config/i386/i386.c (ix86_free_machine_status): New.
9036 (override_options): Install it.
9037 (ix86_init_machine_status): Use xcalloc.
9038 (ix86_mark_machine_status): Verify machine non-null.
9039 * config/ia64/ia64.c (ia64_free_machine_status): New.
9040 (ia64_override_options): Install it.
9041 (ia64_mark_machine_status): Verify machine non-null.
9043 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
9045 * function.c (instantiate_virtual_regs): Instantiate virtual
9046 registers found in CALL_INSN_FUNCTION_USAGE.
9048 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9050 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
9051 equivalent to -ansi in disabling -Di386.
9053 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
9055 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
9057 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
9059 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
9061 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
9063 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9065 * invoke.texi: Document that -fcond-mismatch isn't supported for
9068 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9070 * gcc.texi: Define macro gcctabopt.
9071 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
9072 @command, @env and @option in some places where appropriate. Use
9073 @gcctabopt where appropriate. Put URLs and email addresses inside
9076 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
9078 * gcc.c (cpp_options): Set MD file name from output
9079 filename, if specified.
9080 (suffix_subst): New static variable.
9081 (do_spec): Clear it.
9082 (do_spec_1, case '.'): Handle new `%.suffix' spec.
9084 (give_switch): Handle suffix_subst.
9086 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9088 * invoke.texi: Fix another typo.
9090 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9092 * invoke.texi: Fix typo.
9094 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9096 * c-lang.c (lang_hooks): Update.
9097 (lang_decode_option): Remove.
9098 (lang_init_options): Rename c_init_options.
9099 * toplev.c (main): Use lang_hooks for lang_init_options
9100 and lang_decode_option.
9101 * toplev.h (lang_hooks): Add 2 new hooks.
9102 * tree.h: Remove lang_init_options and lang_decode_option.
9103 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
9104 * cp/decl2.c: Similarly.
9105 * cp/lex.c (lang_init_options): Rename cxx_init_options.
9106 (lang_hooks): Update.
9107 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
9109 (lang_init_options): Rename ffe_init_options.
9110 (lang_hooks): Update.
9111 (lang_decode_option): Remove.
9112 * java/lang.c (lang_init_options): Rename java_init_options.
9113 (lang_decode_option): Rename java_decode_option.
9114 (lang_hooks): Update.
9115 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
9116 (lang_decode_option): Rename objc_decode_option.
9117 (lang_hooks): Update.
9119 2001-01-09 Nick Clifton <nickc@redhat.com>
9121 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
9122 (d30v_return_addr_rtx): Delete.
9123 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
9124 cfun->machine structure.
9125 (struct machine_function): Move to d30v.h
9126 (d30v_save_machine_status): Delete.
9127 (d30v_restore_machine_status): Delete.
9128 (d30v_init_machine_status): New Function.
9129 (d30v_mark_machine_status): New Function.
9130 (d30v_free_machine_status): New Function.
9131 (d30v_init_expanders): Use new functions.
9132 (d30v_return_addr): Use ra_rtx field in cfun->machine.
9133 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
9134 d30v_return_addr_rtx.
9136 * config/d30v/d30v.h (struct_machine): Move here.
9137 Add eh_epilogue_sp_ofs field.
9139 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
9140 field in cfun->machine structure.
9142 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
9144 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
9145 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
9146 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9148 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
9150 * objc/lang-options.h: Remove bogus reference to
9153 2001-01-09 Kazu Hirata <kazu@hxi.com>
9155 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
9158 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
9160 * reload.c (find_reloads_address): Check for eliminable registers
9161 when substituting a constant expression for a pseudo.
9163 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
9165 * c-common.c (enum format_type): Add format_type_error.
9166 (decode_format_type): New function.
9167 (decl_attributes): Use it.
9168 (format_kind_info): Adjust comment.
9170 2001-01-09 David O'Brien <obrien@BSDi.com>
9172 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
9173 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
9175 * config/i386/gnu.h: Don't include required platform specific .h files,
9176 tm.h will do it instead.
9177 * config/i386/i386elf.h: Likewise.
9178 * config/i386/linux.h: Likewise.
9179 * config/i386/moss.h: Likewise.
9180 * config/mips/gnu.h: Likewise.
9182 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9184 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
9185 (rs6000-ibm-aix3.[01]*): Likewise.
9186 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
9187 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
9188 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
9189 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
9190 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
9191 (powerpc-*-eabiaix*): Likewise.
9192 (powerpc-*-eabisim*): Likewise.
9193 (powerpc-*-elf*): Likewise.
9194 (powerpc-*-eabi*): Likewise.
9195 (powerpc-*-rtems*): Likewise.
9196 (powerpc-*-linux*libc1): Likewise.
9197 (powerpc-*-linux*): Likewise.
9198 (powerpc-wrs-vxworks*): Likewise.
9199 (powerpcle-wrs-vxworks*): Likewise.
9200 (powerpcle-*-sysv*): Likewise.
9201 (powerpcle-*-elf*): Likewise.
9202 (powerpcle-*-eabisim*): Likewise.
9203 (powerpcle-*-eabi*): Likewise.
9204 (powerpcle-*-solaris2*): Likewise.
9205 * config/rs6000/aix31.h: Delete includes.
9206 * config/rs6000/aix3newas.h: Likewise.
9207 * config/rs6000/aix41.h: Likewise.
9208 * config/rs6000/aix43.h: Likewise.
9209 * config/rs6000/beos.h: Likewise.
9210 * config/rs6000/rtems.h: Likewise.
9211 * config/rs6000/sysv4.h: Likewise.
9213 2001-01-09 Kazu Hirata <kazu@hxi.com>
9215 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
9216 Change an argument mode of machine_mode to shift_mode of
9217 shift_mode. Remove an extra error check.
9218 (emit_a_shift): Adopt to the new calling prototype of
9220 (function_prologue): Fix code for a monitor
9221 function. Support H8/S.
9222 (function_epilogue): Do not output pop for a monitor function.
9224 2001-01-09 Nick Clifton <nickc@redhat.com>
9226 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
9227 (setup_incoming_varargs): Use sysv_varargs_p field of the
9228 cfun->machine structure.
9229 (struct machine_function): Move to rs6000.h
9230 (rs6000_save_machine_status): Delete.
9231 (rs6000_restore_machine_status): Delete.
9232 (rs6000_init_machine_status): New Function.
9233 (rs6000_free_machine_status): New Function.
9234 (rs6000_init_expanders): Use new functions.
9236 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
9238 (struct machine_function): Move here.
9240 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
9241 sysv_varargs_p field of the cfun->machine structure.
9243 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
9245 (rs6000_restore_machine_status): Remove prototype.
9247 2001-01-09 Richard Henderson <rth@redhat.com>
9249 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
9250 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
9251 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
9252 (sched_analyze_2, sched_analyze_insn): Likewise.
9253 (sched_analyze, init_deps): Likewise.
9254 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
9255 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
9256 (compute_block_backward_dependences): Update propagate_deps call.
9258 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
9260 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
9262 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9264 * cppinit.c (OPT_MD, OPT_MMD): Restore.
9265 (cpp_handle_option): Handle them.
9266 (cpp_post_options): Ensure one of -M or -MM is specified with
9267 any other -M? option.
9268 (init_dependency_output): Suppress output with -MG.
9270 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9273 * invoke.texi: Update.
9275 2001-01-09 Bernd Schmidt <bernds@redhat.com>
9277 * sh.md (reload_outsf): Generate recognizable patterns for
9280 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9282 * c-lang.c (lang_hooks): Update.
9283 (lang_init): Rename c_init.
9284 (lang_finish): Remove.
9285 * toplev.c (compile_file): Use lang_hooks for lang_init ()
9287 * toplev.h (lang_hooks): Add init () and finish ().
9288 * tree.h (lang_init, lang_finish): Remove.
9289 * cp/tree.h (lang_init, lang_finish): Remove.
9290 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
9291 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
9293 (lang_init, lang_finish): Remove.
9294 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
9295 (lang_hooks): Update.
9296 * java/lang.c (lang_init): Rename java_init.
9297 (lang_finish): Remove.
9298 (lang_hooks): Update.
9299 * objc/objc-act.c (lang_init): Rename objc_init.
9300 (lang_finish): Remove.
9301 (lang_hoooks): Update.
9303 20001-01-09 Graham Stott <grahams@redhat.com>
9305 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
9306 after `ptr` is initialised.
9308 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9310 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
9311 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
9312 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
9313 stack adjusts, instead of r3.
9315 2001-01-09 Michael Hayes <mhayes@redhat.com>
9317 * flow.c (flow_loop_scan): Break out of ...
9318 (flow_loops_find) ... here.
9319 * basic-block.h (flow_loop_scan): New.
9320 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
9321 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
9323 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9325 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
9327 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
9328 realloc()ing macro_buffer.
9330 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
9331 if it's wider than long and the target's long is wider than the
9334 2001-01-09 Mark Mitchell <mark@codesourcery.com>
9336 Remove support for using UWIN as a host machine.
9337 * configure.in: Issue an error message.
9338 * configure: Regenerated.
9339 * config.gcc: Remove xm_* UWIN configury.
9340 * config/i386/xm-uwin.h: Remove.
9342 2001-01-08 Nick Clifton <nickc@redhat.com>
9344 * config/v850/v850.c (ra_rtx): Delete.
9345 (v850_save_machine_status): Delete.
9346 (v850_restore_machine_status): Delete.
9347 (v850_init_machine_status): New function.
9348 (v850_mark_machine_status): New function.
9349 (v850_free_machine_status): New function.
9350 (v850_return_addr): Use ra_rtx field in machine structure.
9351 (v850_init_expanders): Use new functions.
9353 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
9354 * config/v850/v850.c: Change arguments to v850_output+* functions
9355 to take a const char *, to avoid compile time warning.
9356 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
9357 (USER_LABEL_PREFIX): Redefine.
9359 2000-01-08 Jim Wilson <wilson@redhat.com>
9361 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
9362 1 to unsigned HOST_WIDE_INT before left shift.
9364 2001-01-08 Nick Clifton <nickc@redhat.com>
9366 * config/arm/arm.c (arm_mark_machine_status): Check to see if
9367 the machine structure has been allocated.
9368 (arm_free_machine_status): New function: Free the machine
9369 specific function structure.
9371 2001-01-08 Richard Henderson <rth@redhat.com>
9373 * jump.c (simplejump_p): Revert last change.
9375 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
9377 * cppinit.c (init): Rename init_library.
9378 (cpp_create_reader): Update.
9379 * gcc.c (cpp_options): If -o given, use it as the target of
9382 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9384 * arm.c (arm_arch5e): New variable.
9385 (all_cores): XScale is a 5TE device.
9386 (arm_override_options): Set arm_arch5e.
9387 (arm_init_builtins): __builtin_prefetch is in arch5e.
9388 * arm.h (arm_arch5e): Declare it.
9390 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
9392 * arm.md (define_constants): Add defines for UNSPEC and
9393 UNSPEC_VOLATILE insns. Update all users.
9394 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
9395 * arm.c (multi_register_push, note_invalid_constants)
9396 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
9397 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
9398 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
9400 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
9402 * jump.c (jump_optimize_1): Use reversed_comparison_code
9403 instead of can_reverse_comparison_p.
9404 (jump_back_p): Likewise.
9405 (invert_exp_1): Likewise.
9406 (thread_jumps): Likewise.
9407 * simplify-rtx.c (simplify_unary_operation): Likewise.
9408 (simplify_ternary_operation): Likewise.
9409 * cse.c (find_comparison_args): Convert to use
9410 can_reverse_comparison_p.
9411 (record_jump_equiv): Likewise.
9413 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9415 * arm.h (HARD_REGNO_RENAME_OK): Delete.
9416 (EPILOGUE_USES): Define.
9417 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
9418 automatically stack the LR if it isn't live.
9420 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
9422 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
9425 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
9427 * ggc-page.c (max_alignment): New structure.
9428 (MAX_ALIGNMENT): New macro.
9429 (init_ggc): Use it to round up the sizes in the
9430 extra_order_size_table.
9432 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9434 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
9437 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9439 * builtins.def (BUILT_IN_FPRINTF): New entry.
9441 * c-common.c (c_expand_builtin_fprintf): New function.
9442 (init_function_format_info): Handle __builtin_fprintf.
9443 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
9444 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
9446 * c-decl.c (duplicate_decls): Adjust comment.
9448 * extend.texi (fprintf): Document new builtin.
9450 2001-01-07 Richard Henderson <rth@redhat.com>
9452 * jump.c (simplejump_p): Recognize any single_set jump
9455 2001-01-07 Richard Henderson <rth@redhat.com>
9457 * configure.in (slibdir): Accept an --with-slibdir option.
9458 Use "test" not "[" in configure. Default to $(libdir).
9460 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
9462 * config/t-aix43 (SHLIB_INSTALL): Likewise.
9463 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
9464 (SHLIB_LINK): Create links for the soname.
9465 * config/mips/t-iris6: Likewise.
9466 * config/sparc/t-slibgcc: Likewise.
9467 * config/sparc/t-slibgcc-sld: Likewise.
9469 2001-01-07 Jakub Jelinek <jakub@redhat.com>
9471 * config/i386/i386.c (constant_call_address_operand): Accept
9472 (const (plus (symbol_ref) (const_int))).
9473 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
9474 constant_call_address_operand.
9476 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9478 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
9479 and LONG_LONG_TYPE_SIZE > 32.
9481 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9483 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
9484 the previous change.
9486 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
9488 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
9490 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
9491 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
9492 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
9495 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9497 * fix-header.c (read_scan_file): s/pfile/scan_in/.
9499 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9501 * c-lang.c (c_post_options): Call cpp_post_options.
9502 * objc/objc-act.c (objc_post_options): Similarly.
9503 * cppmain.c (main): Similarly.
9504 * fix-header.c (read_scan_file): Similarly.
9505 * cppinit.c (cpp_start_read): Move option consistency checks
9506 to cpp_post_options. Don't call init_dependency_output.
9507 If needed, add default target and main file dependency.
9508 (OPT_MD, OPT_MMD): Remove.
9510 (cpp_handle_option): Update for OPT_* changes.
9511 (cpp_post_options): New.
9512 (init_dependency_output): Command line -MF overrides environment
9513 variables. Don't set default target etc. Suppress output
9514 if dependencies are going to stdout.
9515 (print_help): Update.
9516 * cpplib.h (cpp_post_options): New.
9517 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
9519 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
9521 * jump.c (comparison_dominates_p): Support unordered compares.
9523 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
9525 * simplify-rtx.c (simplify_relational_operation): Always simplify
9526 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
9529 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
9531 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
9532 (nonzero_bits): Likewise.
9533 (simplify_comparison): Likewise.
9534 (num_sign_bit_copies): Likewise; return more sane value depending
9535 on STORE_FLAG_VALUE.
9536 (known_cond): Do not assume EQ to be always true for equivalent
9539 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
9541 * cse.c (fold_rtx): Handle unordered comparisons.
9543 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
9545 * rtlanal.c (set_of_1): New static function.
9546 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
9547 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
9548 reg_set_last_last_regno): Remove.
9549 (set_of): New global function.
9550 (set_of_data): New structure.
9551 (reg_set_p, reg_set_last): Revamp for set_of.
9552 * rtl.h (set_of): New.
9554 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
9556 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
9557 * extend.texi: Document _Exit builtin.
9559 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9561 * (initialize, initialize_builtins,
9562 initialize_dependency_output, initialize_standard_includes):
9563 Rename s/initialize/init. Update.
9564 (init_dependency_output): Move to after
9565 cpp_handle_options, the correct location temporally at least.
9566 (opt_comp): Move next to init (), its caller. Fix prototype.
9567 (init): Make "initialized" local scope.
9568 (cpp_create_reader): Always call init ().
9569 (cpp_start_read): Update.
9570 (output_deps): New function, broken out of cpp_finish.
9571 (cpp_finish): Break out output_deps.
9573 2001-01-07 Richard Henderson <rth@redhat.com>
9575 * collect2.c (COFF specific stuff): Revert 12-06 patch
9576 to prototype system functions.
9578 2001-01-07 Michael Hayes <mhayes@redhat.com>
9580 * hard-reg-set.h: Add multiple include guard.
9581 * basic-block.h (struct loop): Add `sink' field.
9582 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
9583 (emit_iv_add_mult): Delete.
9584 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
9585 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
9586 (unroll_loop): Remove end_insert_before argument.
9587 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
9588 (maybe_eliminate_biv_1): Likewise.
9589 (emit_iv_add_mult): Delete.
9590 (gen_add_mult, loop_regs_update): New.
9591 (loop_insn_emit_after, loop_insn_emit_before): New.
9592 (loop_insn_sink, loop_insn_sink_or_swim): New.
9593 (emit_iv_add_mult): Delete.
9594 (scan_loop): Set loop->sink.
9595 (loop_givs_reduce): Use loop_insn_sink and its ilk.
9596 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
9597 (maybe_eliminate_biv_1): Likewise.
9598 (maybe_eliminate_biv_1): Add basic block argument.
9599 * unroll.c (unroll_loop): Remove end_insert_before argument.
9600 (find_splittable_regs): Likewise.
9601 (find_splittable_regs): Use loop_insn_sink and its ilk.
9602 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
9604 2001-01-07 Michael Hayes <mhayes@redhat.com>
9606 * loop.h (loop_insn_hoist): New prototype.
9607 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
9608 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
9609 (check_dbra_loop, load_mems): Likewise.
9610 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
9611 (find_splittable_givs): Likewise.
9613 2001-01-07 Michael Hayes <mhayes@redhat.com>
9615 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
9617 2001-01-07 Richard Henderson <rth@redhat.com>
9619 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
9621 2001-01-07 Richard Henderson <rth@redhat.com>
9623 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
9624 NO_SHARED_LIBGCC_MULTILIB as required for the target.
9625 * gcc.c (init_spec): Massage the existing libgcc_spec into a
9626 variant that handles a shared libgcc.
9627 (process_command): Always validate -{static,shared}-libgcc.
9628 (do_spec_1): New 'M' case.
9629 * invoke.text (Link Options): Document -{static,shared}-libgcc.
9631 2001-01-07 Richard Henderson <rth@redhat.com>
9633 * Makefile.in (slibdir): New variable.
9634 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
9635 (installdirs): Create slibdir.
9636 (install-libgcc, install-multilib): Defer to libgcc.mk.
9637 * configure.in (slibdir): Substitute.
9638 * mklibgcc.in (install): New target.
9640 * config/t-linux (SHLIB_LINK): Create links for the soname.
9641 (SHLIB_INSTALL): New.
9642 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
9643 * config/mips/t-iris6 (SHLIB_INSTALL): New.
9644 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
9645 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
9646 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
9648 2001-01-07 Richard Henderson <rth@redhat.com>
9650 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
9651 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
9652 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
9654 2001-01-07 Michael Hayes <mhayes@redhat.com>
9656 * loop.c (count_loop_regs_set): Delete.
9657 (load_mems_and_recount_loop_regs_set): Delete.
9658 (loop_regs_scan): Merge common code from count_loop_regs_set,
9659 scan_loop, and load_mems_and_recount_loop_regs_set.
9660 (scan_loop): Call load_mems directly and loop_regs_scan
9661 again if new registers created.
9663 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9665 * toplev.c (main): Call the front-end specific post_options
9666 hook if one is given.
9667 * toplev.h (struct_lang_hooks, lang_hooks): New.
9668 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
9669 for the C front end.
9670 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
9671 lang_hooks for the C++ front end.
9672 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
9673 lang_hooks for the ObjC front end.
9674 * f/com.c (lang_hooks): Hooks for the Fortran front end.
9675 * java/lang.c (lang_hooks): Hooks for the Java front end.
9677 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9679 * c-lex.c (init_c_lex): Request #define / #undef callbacks
9680 for verbose DWARF[2] debugging.
9681 (cb_define, cb_undef): The new callbacks.
9682 * toplev.h (debug_define, debug_undef): Make const correct.
9683 * toplev.c (debug_define, debug_undef): Similarly. Do not
9684 perform the verbosity tests here anymore.
9686 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
9688 * reload.c (subst_reloads): Take INSN argument. When
9689 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
9690 * reload.h (subst_reloads): Adjust prototype.
9691 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
9692 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
9693 present in JUMP_INSNs and copy them to JUMP_LABEL.
9694 * flow.c (find_label_refs, find_basic_blocks_1): Skip
9695 JUMP_INSNs and insns with REG_LABELs that are followed by
9696 JUMP_INSNs with the same REG_LABEL.
9697 * sched-rgn.c (is_cfg_nonregular): Likewise.
9698 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
9700 * unroll.c (unroll_loop): Look for REG_LABEL notes in
9702 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
9704 2001-01-06 Richard Henderson <rth@redhat.com>
9706 * loop.c (scan_loop): Use xcalloc for the regs array.
9707 (load_mems_and_recount_loop_regs_set): Zero the new memory
9708 received from xrealloc.
9710 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
9712 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
9714 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
9716 * integrate.c (copy_rtx_and_substitute): When copying
9717 an ignored return value, strip REG_FUNCTION_VALUE_P.
9719 2001-01-06 Michael Hayes <mhayes@redhat.com>
9721 * loop.c (debug_biv, debug_giv): New.
9722 (loop_biv_dump): Break out from ...
9723 (record_biv): ... here.
9724 (loop_giv_dump): Break out from ...
9725 (record_giv): ... here.
9726 (loop_bivs_check): Use print_simple_rtl.
9727 * unroll.c (loop_iterations): Use print_simple_rtl.
9729 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
9731 * pa.md (return, return_internal): Modify patterns to prevent regrename
9732 mucking with the return pointer.
9734 2001-01-05 Richard Henderson <rth@redhat.com>
9736 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
9738 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
9740 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
9741 version supplied by Matteo Frigo.
9743 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9745 * cpp.texi: Update for -MQ.
9746 * cppinit.c (cpp_create_reader): Always create pfile->deps.
9747 (cpp_cleanup): Always free pfile->deps.
9748 (initialize_dependency_output): Don't create pfile->deps.
9749 (cpp_handle_option): Similarly.
9751 * gcc.c (cpp_options): Handle -MQ.
9752 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9753 * mkdeps.c (base_name): Remove.
9754 (deps_init): Don't allocate vector space until it's needed.
9755 (deps_free): Only free vectors if allocated.
9756 (deps_add_target, deps_add_dep): Update for initial allocation.
9757 (deps_add_default_target): Don't strip to the base_name.
9759 2001-01-05 DJ Delorie <dj@redhat.com>
9761 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
9762 (INIT_EXPANDERS): Define.
9764 * config/v850/v850.c (struct machine_function): Define.
9765 (v850_save_machine_status): New function.
9766 (v850_restore_machine_status): New function.
9767 (v850_return_addr): New function.
9768 (v850_init_expanders): New function.
9770 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
9771 and v850_init_expanders.
9773 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9775 * cpplib.h (struct cpp_reader): Add help_only field.
9776 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
9777 (cpp_handle_option): Set pfile->help_only if we see -h,
9778 --help, -target-help, or --version. Print version string but
9779 do not set help_only if we see -v or -version. Make text
9780 printed by -v match that printed by (-)-version.
9782 * cppmain.c (main): Exit after option parsing if
9783 pfile->help_only is true.
9785 * toplev.c (independent_decode_option): Call print_version,
9786 then exit, if we see --version (but not -version).
9787 (print_version): Split lengthy message into two lines.
9789 2001-01-05 Nick Clifton <nickc@redhat.com>
9791 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
9792 temporary string for initialisation before calling ggc_alloc_string.
9794 2001-01-06 Michael Hayes <mhayes@redhat.com>
9796 * rtl.h (print_simple_rtl): New.
9797 * print-rtl.c (print_simple_rtl): New.
9799 (print_rtx): Disable printing of flags and modes, etc.,
9800 if `flag_simple` nonzero.
9802 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9804 * function.c (fixup_var_refs): Use push_to_full_sequence where
9807 2001-01-05 Michael Meissner <meissner@redhat.com>
9809 * flags.h (flag_reorder_blocks): Add declaration.
9810 (flag_rename_block): Ditto.
9812 2001-01-05 DJ Delorie <dj@redhat.com>
9814 * function.c (reorder_blocks): Make sure the flags are all reset
9815 before using them to mark blocks, else a second invocation will
9816 corrupt the block chain.
9817 (reorder_blocks_0): New, resets the flags.
9819 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
9821 * cse.c (find_comparison_args): Stop if the argument is known to
9824 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9826 * config/sh/sh.md (movdf): When splitting load into pair of
9827 registers, don't clobber the register used in the address too
9830 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
9832 * varasm.c (mark_constant_pool): Improve initial comments.
9833 (mark_constants): Move marking of constants to mark_constant.
9834 (mark_constant): New function to recursively mark all constants
9835 referred to by a constant.
9837 2001-01-05 Catherine Moore <clm@redhat.com>
9839 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
9841 2001-01-05 Phil Edwards <pme@sources.redhat.com>
9843 * cp/lang-options.h: Bring comment in line with reality.
9844 * f/lang-options.h: Likewise.
9845 * java/lang-options.h: Likewise.
9846 * objc/lang-options.h: Likewise.
9847 * ch/lang-options.h: Likewise.
9848 * f/g77.texi: And update the manual.
9850 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
9851 Denis Chertykov <denisc@overta.ru>
9853 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
9854 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
9855 * config/avr/avr.md (all peepholes that request a scratch register):
9856 Call it, FAIL the peephole if not safe (in interrupt functions).
9858 2001-01-05 Mark Mitchell <mark@codesourcery.com>
9860 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
9862 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
9864 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
9866 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
9867 BUILT_IN_CREAL and BUILT_IN_CIMAG.
9868 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
9869 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
9870 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
9872 * extend.texi: Document these builtins.
9874 2001-01-05 Daniel Berlin <dberlin@redhat.com>
9876 * c-common.c (lang_get_alias_set): Say we know nothing of
9877 VECTOR_TYPE aliasing.
9879 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
9881 2001-01-05 Bruce Korb <bkorb@gnu.org>
9883 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
9884 their x* equivalent versions for atexit-less systems
9885 * fixinc/fixincl.c(main): do not return from main() on atexit-less
9886 systems (or any other system any more).
9888 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
9890 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
9891 output operands. Use arm_hard_register_operand for operand 4.
9892 (stmsi_postinc): Similarly.
9893 (ldmsi): Use arm_hard_register_operand for opernand 2.
9895 * arm.c (arm_hard_register_operand): New function.
9896 * arm-protos.h (arm_hard_register_operand): Prototype it.
9898 * arm.h (HARD_REGNO_RENAME_OK): Define.
9900 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
9902 * simplify-rtx.c (cfc_args): add "unordered" field.
9903 (check_fold_consts): Set unordered field.
9904 (simplify_relational_operation): Simplify the unordered
9907 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
9910 * emit-rtl.c (try_split): Fix code to mark labels.
9911 * jump.c (mark_jump_label): Make global.
9912 * rtl.h (mark_jump_label): Declare.
9914 * predict.c (estimate_probability): Handle unordred comparisons.
9916 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9918 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
9919 * cppinit.c (initialize_dependency_output): Update.
9920 (cpp_finish): Output dummy targets for -MP.
9922 (cpp_handle_option): Handle -MP. Don't quote -MT options.
9923 * cpplib.h (struct cpp_options): Add deps_phony_targets.
9924 * gcc.c (cpp_options): Update to handle -MP.
9925 * mkdeps.c (deps_add_target, deps_add_default_target): Update
9926 to quote only the default target.
9927 (deps_phony_targets): Insert a preceding newline. Rename from
9928 deps_dummy_targets for consistency.
9931 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9933 * calls.c (emit_library_call_value_1): Support
9934 INIT_CUMULATIVE_LIBCALL_ARGS.
9935 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
9937 2001-01-04 Richard Henderson <rth@redhat.com>
9939 * c-decl.c (finish_struct): Detect flexible array members
9940 used in an inappropriate context.
9941 * c-typeck.c (really_start_incremental_init): Special case
9942 constructor_max_index for zero length arrays.
9943 (pop_init_level): Allow initialization of flexible array
9944 members. Deprecate initialization of zero length arrays.
9945 Don't issue missing initializer warning for flexible array
9946 members or zero length arrays.
9947 (process_init_element): Don't dereference null DECL_SIZE.
9948 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
9949 Don't abort for empty constructors. Use size_binop
9950 (output_constructor): Add commentary regarding zero length
9951 array futures. Abort if we try to initialize an array of
9952 unspecified length with a non-empty constructor in the middle
9955 * extend.texi (Zero Length): Update and clarify documentation
9956 on static initialization.
9958 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9960 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
9961 with more than 32767 words of local storage.
9963 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9965 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
9966 for 'abs', 'labs', and 'fabs'.
9967 (c4x_expand_builtin): Likewise.
9968 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
9970 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9972 * config/sh/sh.md (prget, prset): New insn types.
9973 (return delay slot): Dont' allow prset.
9974 (call, sfunc delay slot): Don't allow prget.
9975 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
9976 for prset and prget.
9978 2001-01-05 Michael Hayes <mhayes@redhat.com>
9980 * loop.h (struct loop_reg): New.
9981 (struct loop_regs): Change to use array of `struct loop_reg'.
9982 * loop.c: Replace assortment of varrays with single regs array.
9983 (count_one_set): Delete may_not_move array argument
9984 and use regs array instead. All caller's changed.
9985 (count_loop_regs_set): Delete may_not_move and single_usage
9986 arguments and use regs array instead. All caller's changed.
9987 (find_single_use_in_loop): Replace usage array argument with pointer
9988 to regs structure. All caller's changed.
9989 (loop_optimize): Delete `moved_once' array.
9991 2001-01-05 Michael Hayes <mhayes@redhat.com>
9993 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
9994 Use it instead of loop_info->has_call for scanning loop mems.
9995 (check_dbra_loop): Replace loop_info->has_call test with
9996 loop_info->has_nonconst_call.
9998 2000-01-04 Matthew Hiller <hiller@redhat.com>
10000 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
10003 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10005 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
10006 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
10008 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10010 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
10011 (flag_short_double, flag_short_wchar): Define.
10012 (c_common_nodes_and_builtins): Create many tree nodes shared
10013 between C and C++ here instead of in cp/decl.c and ...
10014 * c-decl.c (init_decl_processing): ... here.
10015 (SIZE_TYPE, WCHAR_TYPE): Don't define.
10016 (flag_short_double, flag_short_wchar): Don't define.
10017 (record_builtin_type): New function.
10018 (build_void_list_node): New function.
10019 * c-common.h (flag_short_double, flag_short_wchar,
10020 record_builtin_type, build_void_list_node): Declare.
10022 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
10024 * integrate.c (expand_inline_function): Don't put a virtual
10025 register into the reg map.
10027 * function.c (fixup_var_refs_1): If force_operand didn't put
10028 the address into the target, move it there.
10030 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10032 Special-case tree_decl/tree_list allocations.
10033 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
10034 (OBJECT_SIZE): New macro.
10035 (NUM_EXTRA_ORDER): Likewise.
10036 (extra_order_size_table): New variable.
10037 (NUM_ORDERS): New macro.
10038 (objects_per_page_table): New variable.
10039 (object_size_table): New variable.
10040 (G.pages): Use NUM_ORDERS to bound the array.
10041 (G.page_tails): Likewise.
10042 (DIV_ROUND_UP): Remove.
10043 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
10044 (alloc_page): Use OBJECT_SIZE.
10045 (size_lookup): Don't make it const.
10046 (ggc_alloc): Use OBJECT_SIZE.
10047 (ggc_set_mark): Likewise.
10048 (ggc_get_size): Likewise.
10049 (init_ggc): Set up the object_size_table, objects_per_page_table,
10050 and adjust size_lookup.
10051 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
10052 (ggc_pop_context): Use NUM_ORDERS.
10053 (clear_marks): Likewise.
10054 (sweep_pages): Likewise.
10055 (poison_pages): Likewise.
10056 (ggc_print_statistics): Use OBJECT_SIZE.
10058 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10060 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
10061 Only call array_size_for_constructor if last field and array type
10062 with no upper bound.
10064 2001-01-04 Philip Blundell <philb@gnu.org>
10066 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
10067 from bit 31 downwards, if this requires no more insns.
10068 (count_insns_for_constant): New helper function for above.
10070 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
10072 * gencodes.c (output_predicate_decls): Remove empty initializer.
10074 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10076 * tree.c (copy_node): Remove documentation about obstacks.
10077 (buidl1): Check that nobody tries to build 2-argument nodes this
10080 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10082 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
10085 * gencodes.c (output_predicate_decls): Fill empty initializer
10088 2001-01-04 Jakub Jelinek <jakub@redhat.com>
10090 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
10091 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
10093 (do_include): Handle missing headers like cpp0.
10094 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
10095 paths with first include pathname. Don't strcat to uninitialized
10098 2001-01-04 Bernd Schmidt <bernds@redhat.com>
10100 * regrename.c (regrename_optimize): Don't rename from frame pointer
10101 if frame_pointer_needed.
10102 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
10103 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
10104 (ia64_reorg): Use it instead of scheduling if ! optimize.
10105 (errata_emit_nops): Properly call asm_noperands.
10106 (ia64_sched_reorder): Finish cycle if we see an asm.
10107 (ia64_variable_issue): Clear scheduling state after asms.
10109 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
10111 * cpp.texi: Update for -MT.
10112 * cppinit.c (initialize_dependency_output): Add a default
10113 target if none has been given already.
10114 (no_tgt, OPT_MT): New.
10115 (cpp_handle_option): Handle -MT. Update -M etc.
10116 * cpplib.h (struct cpp_options): Remove deps_target.
10117 * gcc.c (cpp_options): Handle -MT.
10118 * mkdeps.c (struct deps): Move from mkdeps.h.
10119 (deps_calc_target): Rename deps_add_default_target. Add a
10120 default target if none has been specified already.
10121 * mkdeps.h (struct deps): Move to mkdeps.c.
10122 (deps_calc_target): Rename deps_add_default_target.
10124 2000-01-03 Richard Henderson <rth@redhat.com>
10126 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
10128 * c-typeck.c (push_init_level): Move checks for flexible array
10129 members and zero length arrays ...
10130 (pop_init_level): ... here. Silently discard empty initializations.
10132 * varasm.c (output_constructor): Update for sizeof change to
10133 zero-length arrays.
10135 * extend.texi (Zero Length): Clarify semantics.
10137 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10139 * configure.in (tm.h): Include isns-codes.h last.
10140 * configure: Rebuilt.
10142 2001-01-03 Richard Henderson <rth@redhat.com>
10144 * config/alpha/alpha.md (addvsi3, addvdi3): New.
10145 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
10147 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10149 * tradcpp.c (main): Make sure finclude() is called with a valid
10150 indepth value while handling -include.
10152 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10154 * gencodes.c (output_predicate_decls): New function.
10156 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
10157 even if it is not the first time machmode.h is #included.
10158 * config/sh/sh.c (fpul_operand): Declare MODE argument.
10159 * tm.texi (PREDICATE_CODES): Document predicate declarations.
10160 * gcc.texi (Copyright): Added 2001.
10162 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10164 * c-common.c (c_common_lang_init): New function. Warn if format
10165 warning options which only have effects when used with -Wformat
10166 are used without -Wformat.
10167 * c-common.h (c_common_lang_init): Declare.
10168 * c-lang.c (lang_init): Call c_common_lang_init.
10169 * objc/objc-act.c (lang_init): Call c_common_lang_init.
10171 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10173 * configure.in: Check for the mktemp command.
10174 * configure: Regenerate.
10175 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
10176 $TEMP. Create temporary files with mktemp, if available at
10177 configure time; otherwise use set -C. Remove temporary files
10180 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10182 * configure.in: Require at least texinfo 4.0. Check for whether
10183 Pod::Man is sufficiently recent to regenerate GCC manpages.
10184 * configure: Regenerate.
10185 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
10187 (GENERATED_MANPAGES): Define.
10188 (generated-manpages): New target. Depend on cpp.1 as well as
10190 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
10191 configure to generated-manpages or empty) rather than on the
10192 manpages directly. Remove execute permission from installed
10193 gcov.1 as well as cpp.1.
10194 * cpp.1, gcov.1: Regenerate.
10196 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10198 * builtins.c (expand_builtin_strncmp): Use host_integerp and
10199 tree_low_cst. Allow using cmpstrsi in more cases.
10201 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10203 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
10206 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
10208 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
10209 * Makefile.in (HOST_CFLAGS): Mention build-make.
10211 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10213 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
10216 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10218 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
10221 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
10224 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
10225 reg_base_value and reg_known_value arrays.
10226 (init_alias_analysis): Add more cases to detect known values.
10227 * sched-deps.c (deps_may_trap_p): New function.
10228 (sched_analyze_2): Use it.
10230 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10232 * combine.c (simplify_shift_const): Even if we're sign-extracting,
10233 don't discard an ASHIFTRT if we're shifting in a wider mode.
10235 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
10237 * toplev.c (rest_of_compilation): Don't print basic block information
10238 when CFG isn't up to date.
10240 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
10242 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
10243 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
10244 (UNALIGNED_SHORT_ASM_OP): Define.
10245 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
10247 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10249 * fold-const.c (fold_convert): Fix typo.
10251 2001-01-02 Richard Henderson <rth@redhat.com>
10253 * c-common.h (ASM_INPUT_P): New.
10254 * c-parse.in (asm): Set it when needed.
10255 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
10256 existance of an operand.
10258 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
10260 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
10261 (dwarf2out_frame_debug_expr): Likewise.
10262 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
10264 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
10266 * i386.c (ix86_split_to_parts): Return number of part required;
10268 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
10270 (ix86_split_long_move): Use number of part returned
10271 by ix86_split_to_parts
10272 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
10274 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
10275 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
10276 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
10277 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
10278 (ALIGN_MODE_128): Add TFmode.
10279 (IS_STACK_MODE): Likewise.
10280 (HARD_REGNO_NREGS): TFmode needs 3 registers.
10281 (HARD_REGNO_OK): Support TFmodes.
10282 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
10283 * i386.md (scheduler definitions): Use memory operand to determine
10284 fst/fld instructions; use mode attribute to determine real mode of
10286 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
10287 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
10289 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10291 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
10293 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10295 * expr.c (store_constructor_field): Update ALIGN before calling
10298 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10300 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
10303 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10305 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
10308 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10310 * c-decl.c (start_function): Don't warn on third parameter to main.
10312 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10314 * tsystem.h: Define HAVE_DECL_GETOPT.
10316 2001-01-02 Philip Blundell <pb@futuretv.com>
10318 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
10321 2001-01-02 Richard Henderson <rth@redhat.com>
10323 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
10325 2001-01-02 Andreas Jaeger <aj@suse.de>
10327 * c-decl.c (c_decode_option): Remove support of
10328 -Wmissing-noreturn.
10330 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
10331 (W_options): Add -Wmissing-noreturn here.
10333 * flow.c: Define lang_missing_noreturn_ok_p.
10334 (check_function_return_warnings): Use it.
10336 * c-common.h: Declare lang_missing_noreturn_ok_p.
10338 * c-lang.c (c_missing_noreturn_ok_p): New function.
10339 (lang_init): Set lang_missing_noreturn_ok_p.
10341 * invoke.texi (Warning Options): Document this.
10343 2000-12-27 Phil Edwards <pme@sources.redhat.com>
10345 * extend.texi (C++ Extensions): New node for C++ attributes;
10346 describe init_priority and com_interface.
10347 * invoke.texi: Remove -finit-priority as it now has zero effect.
10348 * install.texi: Fix xref syntax.
10349 * md.texi: Likewise.
10351 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10353 * config.gcc (sparc64-wrs-vxworks*): New case.
10354 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
10356 * config/sparc/sparc.c (sparc_override_options): Do support different
10357 pointer and architecture size.
10358 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
10359 (POINTERS_EXTEND_UNSIGNED): Define.
10360 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
10361 (FUNCTION_MODE): Define to be Pmode.
10362 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
10364 * function.c (expand_function_end): Properly handle DECL_RESULT
10365 and copy when ptr_mode != Pmode.
10366 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
10368 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10370 * c-common.c (c_common_nodes_and_builtins): Set prototype
10371 parameters for __builtin_fputs, __builtin_fputc and
10372 __builtin_fwrite. Don't declare plain fputc as a builtin.
10374 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
10376 * loop.c (add_label_notes): Increment the label usage count when
10377 a note is added to an insn which refers to a CODE_LABEL.
10378 * gcse.c (add_label_notes): Likewise.
10380 2001-01-01 Andreas Jaeger <aj@suse.de>
10382 * loop.c (scan_loop): Use xmalloc to allocate movables.
10384 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
10386 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
10387 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
10388 * reload1.c (REGISTER_MOVE_COST): Likewise.
10389 * regclass.c (REGISTER_MOVE_COST): Likewise.
10390 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
10391 dimension. Adjust all users.
10392 (init_reg_sets_1): Iterate on all modes.
10393 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
10394 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
10395 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
10396 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
10397 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
10398 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
10399 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
10400 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
10401 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
10402 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
10403 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
10404 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
10405 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
10406 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
10407 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
10408 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
10409 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
10410 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
10411 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
10412 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
10413 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
10414 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
10415 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
10416 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
10417 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
10418 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
10419 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
10421 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10423 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
10424 arg VARIES_P. Call it with extra arg.
10425 (true_dependence): Likewise.
10426 * rtl.h (rtx_addr_can_trap_p): Declare.
10427 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
10429 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
10430 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
10431 pic offset table register if it's zero. All callers changed.
10432 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
10434 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10436 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
10437 STRING_POOL_ADDRESS_P.
10439 * config/sparc/sparc.c (input_operand): Properly test for short op.
10441 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
10442 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
10443 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
10444 * config/sparc/elf.h: No longer include sol2.h.
10445 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
10446 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
10448 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
10450 2001-01-01 Michael Hayes <mhayes@redhat.com>
10452 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
10453 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
10454 (record_initial): Likewise.
10455 * unroll.c (copy_loop_body, loop_iterations): Likewise.
10456 (remap_split_bivs): Likewise.
10458 2001-01-01 Michael Hayes <mhayes@redhat.com>
10460 * loop.c (loop_ivs_free): New function.
10461 (strength_reduce): Break out from...
10463 2001-01-01 Michael Hayes <mhayes@redhat.com>
10465 * loop.h (struct iv): New.
10466 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
10467 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
10468 'reg_biv_class' fields with 'regs' and 'n_regs'.
10469 (struct ivs): Rename 'loop_iv_list' field to 'list'.
10470 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
10471 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
10473 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
10475 * resource.c (mark_referenced_resources): Abort() before
10476 attempting to mark a pseudo register.
10477 (mark_set_resources): Likewise.
10479 2001-01-01 Michael Hayes <mhayes@redhat.com>
10481 * loop.h (REG_IV_CLASS): New accessor macro.
10482 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
10483 * unroll.c (REG_IV_CLASS): Likewise.
10485 See ChangeLog.4 for earlier changes.