1 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3 * cppfiles.c (search_from): Special case the empty string.
5 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
8 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
9 strlen or strcpy; we already know the length.
10 (_cpp_compare_file_date): Similarly.
11 * cpphash.h (struct cpp_reader): Delete done_initialising.
12 (CPP_PREV_BUFFER): Delete.
13 * cppinit.c (cpp_start_read): Don't set done_initialising.
14 * cpplex.c (parse_string): Guarantee null-termination.
15 (_cpp_equiv_toklists): Remove.
16 * cpplib.c (glue_header_name): Null-terminate.
17 (do_line): Don't leak memory.
18 * cpplib.h (BT_WEAK): Delete.
19 * cppmain.c (cb_ident): Strings are now null-terminated.
21 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
23 * gcc.c (convert_filename): Append executable suffix
24 if NO_AUTO_EXE_SUFFIX is not defined.
25 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
26 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
28 2001-03-03 David O'Brien <obrien@FreeBSD.org>
30 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
31 * c-parse.gperf, c-gperf.h: Delete.
32 (c-gperf.h was accidently re-added to the CVS repo in the rev 1.16 commit
35 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
37 * cpplex.c (_cpp_lex_token): Don't warn about directives in
38 macro arguments when looking for the '('.
39 * cppmacro.c (funlike_invocation_p): Set parsing_args to
40 2 when really parsing arguments; 1 when looking for '('.
41 Always restore the lexer position.
43 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
45 * longlong.h (umul_ppmm): Don't use a multiline string.
47 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
49 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
50 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
51 t_bool in declaration because pcc can't combine volatile with typedef
54 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
56 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
57 until when it is really needed.
58 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
59 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
60 * i386.md (float?i?f splitter): Don't force source operand to memory
62 (sse_movdfcc): Fix constraint.
63 (sse_movdfcc splitter): Handle properly the second alternative.
65 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
67 * cpplex.c (parse_string): Unconditionally pedwarn.
69 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
72 * cppexp.c (parse_number): Update.
73 * cpplex.c (parse_string): Pedwarn if multiline string does not
74 result from a system header's macro.
75 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
76 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
77 for function-like macros too.
78 * c-lex.c (lex_number): Update.
80 2001-03-03 Richard Henderson <rth@redhat.com>
82 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
84 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
86 * combine.c (try_combine): If split with mode-changed scratch
87 register didn't work, try the original mode.
89 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
91 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
92 * config/c4x/c4x.h: Likewise.
93 * stor-layout.c (compute_record_mode): Likewise.
94 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
96 2001-03-02 Zack Weinberg <zackw@stanford.edu>
98 * configure.in: Kill tm.h. Include the files in the $tm_file
99 list in all three of config.h, hconfig.h, tconfig.h, after the
100 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
101 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
102 * configure: Regenerate.
103 * Makefile.in (clean): Don't delete tm.h.
105 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
106 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
107 those are not defined, set SEC and FEC to 0 and 1.
108 * gcc.texi: Update to match.
110 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
111 * config/fp-bit.c, config/m68k/aux-crt2.asm,
112 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
113 Include tconfig.h, not tm.h.
115 * config/xm-lynx.h, config/xm-std32.h,
116 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
117 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
118 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
119 config/clipper/xm-clix.h, config/convex/xm-convex.h,
120 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
121 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
122 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
123 config/i386/xm-i386.h, config/i860/xm-i860.h,
124 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
125 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
126 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
127 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
128 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
129 config/pa/xm-linux.h, config/pa/xm-pa.h,
130 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
131 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
132 config/pj/xm-pj.h, config/romp/xm-romp.h,
133 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
134 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
135 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
136 config/v850/xm-v850.h, config/vax/xm-vax.h,
137 config/we32k/xm-we32k.h:
139 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
141 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
142 config/i370/xm-oe.h: Don't include tm.h. Don't define
144 * config/vax/xm-vms.h: Don't include tm.h.
146 * config/xm-lynx.h, config/avr/xm-avr.h,
147 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
148 Delete; made empty by above changes.
149 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
150 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
151 Don't include config/xm-lynx.h or tm.h.
153 * config/xm-gnu.h: Don't include fcntl.h.
154 * config/sparc/xm-lynx.h: Don't include sys/types.h and
156 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
158 2001-03-02 Richard Henderson <rth@redhat.com>
160 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
161 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
163 2001-03-02 Richard Henderson <rth@redhat.com>
165 * Makefile.in (OBJS): Add dwarf2asm.o.
166 * dwarf2asm.c, dwarf2asm.h: New files.
167 * dwarf2out.c (*): Use them.
168 (size_of_uleb128, size_of_sleb128): Remove.
169 (output_uleb128, output_sleb128): Remove.
170 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
171 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
172 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
173 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
174 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
175 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
176 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
177 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
178 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
179 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
180 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
181 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
182 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
183 (dwarf2out_frame_debug): Remove unused variables.
184 (output_loc_operands): Don't abort on 8 byte constants if
185 host integers are wide enough.
186 (output_symbolic_ref): Remove.
187 (size_of_die): Don't assume 4 byte host integers.
188 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
190 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
191 something stupid with HOST_WIDE_INT to long truncation.
192 [CONST_DOUBLE]: Likewise.
194 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
195 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
196 * config/arm/unknown-elf.h: Likewise.
197 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
198 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
199 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
200 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
201 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
202 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
203 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
204 (ASM_OUTPUT_DWARF_OFFSET): Remove.
205 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
206 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
207 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
208 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
210 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
212 * cselib.c (hash_rtx): Cast enums to unsigned int.
214 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
216 * print-rtl.c (print_rtx): Cast enums to int for comparison.
217 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
219 * c-format.c (C_STD_VER): Cast to int for comparisons.
220 (check_function_format): Cast various enums to int for &.
221 (maybe_read_dollar_number): Likewise.
222 (check_format_info): Likewise.
223 (check_format_info_main): Likewise.
224 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
225 (safe_from_p): Likewise.
226 * varasm.c (const_hash): Cast enum to int for %.
227 * emit-rtl.c (init_emit_once): Use int loop variable to work around
228 pcc enum problems with < and ++ operators.
229 * regclass.c (init_reg_sets_1): Cast enums for comparison.
230 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
231 (regclass_init): Change enum class to int to iterate over reg_classes.
232 * genrecog.c (merge_trees): Cast enums for comparison.
233 * rtl.h (GET_CODE): Cast to enum rtx_code.
234 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
235 (GET_MODE): Cast to enum machine_mode.
236 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
237 (GET_NOTE_INSN_NAME): Cast enum to int.
238 * tree.h (TREE_CODE): Cast to enum tree_code.
239 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
240 * timevar.c (timevar_print): Change loop variable id from enum to
242 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
243 * config/i386/i386.md: Use PUT_MODE for mode assignment.
244 * toplev.c (compile_file): Cast enum DFI to int.
245 (decode_d_option): Likewise.
247 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
249 * cppinit.c (append_include_chain): Mark "after" include file name list
250 as a system directory.
251 * cpp.texi: Document new behavior.
253 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
255 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
257 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
259 * cppfiles.c (struct include_file): Update.
260 (stack_include_file): Use search_from.
261 (cpp_included, find_include_file): Update.
262 (cpp_execute_include): Update. ptr->name may not be
263 null terminated. Use the new search_from member variable
265 (_cpp_compare_file_date): Similarly.
266 (search_from): New function, similiar to actual_directory.
267 (actual_directory): Delete.
268 (remap_filename): Update. loc->name may not be null terminated.
269 (struct file_name_list): Rename search_path. Update.
270 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
272 (struct cpp_reader): Remove actual_dirs.
273 * cppinit.c (struct cpp_pending): Update for renamed objects.
274 (append_include_chain, remove_dup_dir, remove_dup_dirs,
275 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
276 * cpplib.h (struct cpp_options): Similarly.
278 2001-03-01 Zack Weinberg <zackw@stanford.edu>
280 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
281 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
282 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
283 config/clipper/xm-clix.h, config/convex/xm-convex.h,
284 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
285 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
286 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
287 config/i370/xm-linux.h, config/i370/xm-mvs.h,
288 config/i370/xm-oe.h, config/i386/xm-aix.h,
289 config/i386/xm-i386.h, config/i386/xm-osf.h,
290 config/i860/xm-i860.h, config/i960/xm-i960.h,
291 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
292 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
293 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
294 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
295 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
296 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
297 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
298 config/pj/xm-pj.h, config/romp/xm-romp.h,
299 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
300 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
301 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
302 config/v850/xm-v850.h, config/vax/xm-vax.h,
303 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
304 Do not define TRUE or FALSE.
306 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
307 empty by above change.
308 * config.gcc: Remove references to these files.
310 * configure.in: Detect stdbool.h.
311 * configure, config.in: Regenerate.
312 * system.h: Include stddef.h here if available.
313 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
314 Then set up a sensible boolean type at the very end.
316 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
317 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
319 * hash.h: Delete 'boolean' typedef and related #undefs.
321 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
322 all uses of 'boolean' with 'bool'.
324 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
326 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
327 * cppexp.c (lex): Cast enums for comparison.
328 * cppinit.c (parse_option): Cast enum for comparison.
329 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
330 (cpp_output_token): Likewise.
331 (cpp_can_paste): Cast enums for comparsion and plus/minus.
332 (cpp_avoid_paste): Cast enums for minus and comparison.
334 2001-03-01 Zack Weinberg <zackw@stanford.edu>
336 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
337 field to all array elements.
339 2001-03-01 Zack Weinberg <zackw@stanford.edu>
341 * cpphash.h (struct cpp_reader): Add print_version field.
342 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
343 just set print_version and other flags as appropriate.
344 (cpp_post_options): Print version here if print_version is set.
346 * toplev.c (exit_after_options): New flag.
347 (independent_decode_option): Don't exit here; just set
349 (main): Exit after calling lang_hooks.post_options if
350 exit_after_options is true.
352 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
353 (merge_include_chains): Adjust comment to match code.
355 2001-03-01 Zack Weinberg <zackw@stanford.edu>
357 * stringpool.c (set_identifier): New function.
358 * tree.h: Prototype it.
360 * c-parse.in: Kill D_YES. If compiled for objc, call
361 save_and_forget_protocol_qualifiers from init_reswords.
362 * objc/objc-act.c (remember_protocol_qualifiers,
363 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
364 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
366 (save_and_forget_protocol_qualifiers): New function.
367 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
369 2001-03-01 Diego Novillo <dnovillo@redhat.com>
371 * c-semantics.c (prune_unused_decls): Return error_mark_node
372 instead of (tree) 1 to stop traversing the tree chain.
374 2001-03-01 Bernd Schmidt <bernds@redhat.com>
376 Fix a problem introduced by Kenner's Feb 18 change.
377 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
378 flag_cse_skip_blocks only temporarily, not for ever.
380 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
382 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
383 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
385 * pa.c (emit_move_sequence): Verify operand0 is a hard register
386 before determining its register class.
388 2001-03-01 Bernd Schmidt <bernds@redhat.com>
390 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
391 from reg 4 if current_function_calls_setjmp.
392 (gen_nop_type): New function.
393 (ia64_emit_nops): New function.
394 (ia64_reorg): Call it.
395 (ia64_sched_reorder): Move code that rotates bundles up a bit.
397 * reload1.c (eliminate_regs_in_insn): Restrict the special case
398 code not to try to optimize adds with anything but a REG destination.
400 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
401 (INSN_PRIORITY_KNOWN): New accessor macro.
402 * haifa-sched.c (priority): Use it instead of testing priority against
405 2001-02-28 DJ Delorie <dj@redhat.com>
407 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
408 since that doesn't work the way gcc wants on a generic m68k.
410 2001-02-28 Richard Henderson <rth@redhat.com>
412 * caller-save.c (save_call_clobbered_regs): Fix typo in
413 comparison last change.
415 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
417 * i386.c (pentium4_cost): New.
418 (m_PENT4): New macro.
419 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
420 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
421 x86_integer_DFmode_moves, x86_partial_reg_dependency,
422 x86_memory_mismatch_stall): Add Pentium4
423 (x86_use_q_reg, x86_use_any_reg): Kill.
424 (override_options): Add pentium4.
425 (incdec_operand): Return 0 for pentium4.
426 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
427 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
428 (TARGET_PENTIUM4): Define.
429 (enum processor_type): Add PROCESSOR_PENTIUM4.
430 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
431 * i386.md (attribute "cpu"): Add pentium4.
432 * invoke.texi (march): Add pentium4.
434 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
436 * i386.md (sse_mov?fcc*): New patterns and splitters.
437 * i386.c (ix86_expand_movcc): Work post-reload; recognize
438 the SSE based conditional moves.
440 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
442 * i386.md (attribute mode): Add "TI".
443 (movsf_1): Add pxor support; remove constant propagation splitter.
444 (movdf_integer): Likewise.
445 (movdf_nointeger): Likewise.
446 (movxf constant prop splitter): Handle all modes; update for SSE.
447 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
448 * i386.c (standard_80387_constant_p): Rewrite.
449 (standard_sse_constant_p): New.
450 * i386-protos.h (standard_sse_constant_p): New.
452 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
454 * i386.md (sse_setccsf, sse_setccdf): New.
455 (sse_cmp* patterns): Use '%D' instead of outputtting condition
457 * i386.c (sse_comparison_operator): Accept the supported unordered
458 comparses; be ready for fast_math.
459 (print_operand): Support 'D'.
461 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
463 * jump.c (reversed_comparison_code): Kill.
465 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
467 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
470 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
472 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
473 add missing '%' in constraints.
475 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
477 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
478 for HOST_BITS_PER_WIDE_INT == 32 too.
480 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
482 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
484 (insert_save, insert_restore): New parameter save_mode.
485 (init_caller_save): Update initialization of reg_save_code
486 and reg_restore_code.
487 (save_call_clobbered_regs): Compute save_modes and update calls to
488 reg_save_code and reg_restore_code.
489 (insert_restore): Unsignetize numbers; use save_modes to choose mode
490 of spill; update use of reg_restore_code.
491 (insert_save): Likewise.
492 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
493 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
494 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
496 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
498 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
499 noce_try_store_flag_inc, noce_try_store_flag_mask,
500 noce_try_cmove_arith):
501 Use reversed_comparison_code instead of reverse_comparison and
502 can_reverse_comparison_p.
504 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
506 * jump.c (reversed_comparison_code_parts): Allow reversal of
507 unordered compares in -ffast-math mode; reverse ordered compares
508 for FP even w/o -ffast-math.
510 2001-02-27 Richard Henderson <rth@redhat.com>
512 * print-rtl.c (print_rtx) [i]: Don't print field five on
513 NOTEs other than NOTE_INSN_DELETED_LABEL.
515 2001-02-27 Zack Weinberg <zackw@stanford.edu>
517 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
518 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
520 2001-02-27 Diego Novillo <dnovillo@redhat.com>
522 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
523 even if walk_subtrees is 0.
524 * c-semantics.c (prune_unused_decls): Return a non-null value to
525 stop traversing the tree chain.
527 2001-02-27 DJ Delorie <dj@redhat.com>
529 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
530 register, *then* define it as the new CFA.
532 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
534 * pa.c (override_options): Promote -fpic to -fPIC.
535 (legitimize_pic_address): Simplify due to removal of
536 small PIC as a code generation option.
537 (secondary_reload_class): Similarly.
538 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
539 (PRINT_OPERAND_ADDRESS): Similarly.
540 * pa.md (various patterns): Similarly.
541 (small pic lo_sum pattern): Remove.
543 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
546 * md.texi (min, max): Document
548 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
550 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
551 TARGET_PARTIAL_REG_DEPENDENCY.
552 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
554 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
556 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
558 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
560 * mips.c (mips_make_temp_file): Fix thinko in last change.
562 2001-02-26 Jason Eckhardt <jle@redhat.com>
564 * combine.c (known_cond): Do not reverse the condition when
565 SMAX/UMAX is being considered and the condition is for equality
568 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
570 2001-02-26 Philip Blundell <philb@gnu.org>
572 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
574 * config/arm/linux-elf.h: Remove historical relics related to
575 above configurations.
576 * config/arm/linux-oldld.h: Delete.
577 * config/arm/linux-elf26.h: Delete.
579 2001-02-26 Jason Merrill <jason@redhat.com>
581 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
583 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
584 recognize a tentative definition. Lose obsolete code.
586 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
587 variables unless necessary, either.
589 2001-02-25 Richard Henderson <rth@redhat.com>
591 * ifcvt.c (struct noce_if_info): Add test_bb.
592 (noce_get_alt_condition): New.
593 (noce_try_minmax, noce_try_abs): New.
594 (noce_operand_ok): New.
595 (noce_process_if_block): Use them.
596 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
598 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
600 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
603 2001-02-25 Zack Weinberg <zackw@stanford.edu>
605 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
606 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
608 (mips_asm_file_end): Free temp_filename here.
610 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
612 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
613 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
615 * config/i386/i386.md (movstrsi): Handle FAIL case.
617 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
619 * cppinit.c (builtin_array): Update.
620 (init_builtins): Flag builtins to warn if redefined or
621 undefined. Define __GXX_WEAK as a normal macro.
622 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
623 * cpplib.h (NODE_WARN): New flag.
624 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
625 Handle __STDC__ as a builtin only on Solaris.
626 (warn_of_redefinition): Renamed from check_macro_definition.
627 Reverse sense of test. Always warn if NODE_WARN.
628 (_cpp_create_definition): Use warn_of_redefinition. Flag
629 any macro beginning with "__STDC_" to require a mandatory
630 warning if redefined or undefined.
632 2001-02-24 Zack Weinberg <zackw@stanford.edu>
634 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
635 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
636 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
637 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
638 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
639 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
641 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
642 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
643 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
644 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
645 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
647 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
648 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
651 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
652 Delete now-empty file.
654 * alpha/vms.h: Define NEED_ATEXIT here...
655 * alpha/xm-vms.h: ...not here.
657 * i386/cygwin.h: Don't define PARAMS.
658 * mips/mips.c: Don't prototype mktemp. Don't define
659 P_tmpdir. Use make_temp_file to create temporary files.
660 Don't be clever and delete temporary files early.
661 * config.gcc: Drop references to deleted files. Don't define
663 * gcc.texi: Don't mention USE_PROTOTYPES.
665 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
667 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
668 (ix86_set_move_mem_attrs_1): Likewise.
669 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
670 * config/i386/i386.md (movstrsi): Call it.
672 2001-02-24 Zack Weinberg <zackw@stanford.edu>
674 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
675 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
676 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
677 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
679 (i750a-*-*): Error here if hosting on i750a.
680 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
682 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
683 Remove (empty modulo comments).
685 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
686 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
687 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
688 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
689 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
690 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
692 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
693 Remove reference to winnt.h in comment.
694 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
696 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
698 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
699 used to set another biv.
701 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
703 * tree.h (BLOCK_DEAD): New macro.
704 (struct tree_block): New flag, dead_flag.
705 * print-tree.c (print_node, case 'b'): Print missing fields.
706 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
707 * function.c (identify_blocks): Enable test for misplaced notes.
708 (all_blocks): Skip BLOCK_DEAD blocks.
709 * integrate.c (integrate_decl_tree): Likewise.
711 * errors.c (internal_error, trim_filename): New functions.
712 (fancy_abort): Call internal_error.
713 * errors.h (internal_error, trim_filename): New declarations.
715 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
717 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
719 (EXTRA_CONSTRAINT): Formatting changes.
721 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
723 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
725 2001-02-23 Per Bothner <per@bothner.com>
727 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
728 so they can be called from java/jvspec.c.
729 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
731 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
733 * i386.c (ix86_frame): New structure.
734 (ix86_compute_frame_size): Kill.
735 (ix86_compute_frame_layout): New.
736 (ix86_save_reg): New.
737 (ix86_can_use_return_insn_p): Use frame layout stuff.
738 (ix86_expand_prologue): Likewise.
739 (ix86_expand_epilogue): Likewise.
740 (ix86_initial_elimination_offset): Likewise.
741 (ix86_nsaved_regs): Use ix86_save_reg.
742 (ix86_emit_save_regs): Likewise.
744 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
746 * flow.c (find_sub_basic_blocks): New function.
747 (split_block): Be ready for basic block introduced by CODE_LABEL.
748 (commit_one_edge_insertion): Call find_sub_basic_block.
750 * flow.c (make_edges): Add edge from entry for blocks starting with
751 label having ALTERNATE_NAME
753 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
755 * function.c (epilogue_done): Be ready for first basic block not
756 containing PROLOGUE_END note.
757 (reposition_prologue_and_epilogue_notes): Avoid placing
758 PROLOGUE_END note between BASIC_BLOCK.
760 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
762 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
764 2001-02-21 DJ Delorie <dj@redhat.com>
766 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
767 check for current_function_has_nonlocal_goto from 1999-11-12.
769 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
771 * diagnostic.c (trim_filename): No longer static.
772 * toplev.h (trim_filename): Declare.
773 * rtl.c (rtl_check_failed_bounds): Call internal_error.
774 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
775 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
776 (rtvec_check_failed_bounds): Likewise.
777 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
779 * convert.c (convert_to_integer): Don't do unsigned unless result or
780 both inputs are unsigned.
782 * fold-const.c (fold_convert): Don't call size_int_type_wide if
785 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
787 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
789 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
791 * Makefile.in (resource.o): Add params.h dependence.
792 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
793 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
794 * resource.c: Add dependence on params.h.
795 (current_live_regs): Fix explanatory comment.
796 (find_basic_block): Add new parameter to permit limiting search
798 (mark_target_live_regs): Add new argument to find_basic_block call.
799 (incr_ticks_for_insn): Likewise.
801 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
803 * diagnostic.c (output_to_stream): Rename to
804 output_buffer_to_stream. Loses the stream parameter.
805 (init_output_buffer): Set diagnosic_buffer's stream.
806 (flush_diagnostic_buffer): Adjust.
807 (default_print_error_function): Likewise.
808 (finish_diagnostic): Likewise.
809 (verbatim): Likewise.
811 * diagnostic.h (struct output_buffer): Add `stream' field.
812 (output_buffer_attached_stream): New macro.
814 2001-02-23 Jakub Jelinek <jakub@redhat.com>
816 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
817 check if either operand is divisible by C.
818 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
819 If type is signed, consider negative numbers as well.
821 2001-02-22 Richard Henderson <rth@redhat.com>
823 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
824 reach .text instead of gp-relative relocs.
825 * config/ia64/crtend.asm (.init): Likewise.
827 2001-02-22 Andreas Jaeger <aj@suse.de>
829 * extend.texi (C++ Attributes): Fix typo.
831 2001-02-21 David Mosberger <davidm@hpl.hp.com>
833 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
834 functions, drop current_function_args_info.words test.
835 (ia64_compute_frame_size): Mark syscall_linkage functions as
836 using eight input registers.
838 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
839 Bruce Korb <bkorb@gnu.org>
841 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
842 * fixinc/README: Document how to convert sed substitutions
843 to format style c_fix-es.
844 * fixinc/fixincl.x: regen
846 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
848 * gcc.c: Add comment explaining how to add a command-line option.
849 Add title to specs language comment.
851 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
853 * gcc.c (cc1_options): Add "-param".
854 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
855 (option_map): Likewise.
856 * toplev.c (display_help): Add entry for "--param".
857 (independent_decode_option): Fix typographical error.
859 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
860 Bernd Schmidt <bernds@redhat.com>
861 Jan Hubicka <jh@suse.cz>
863 * i386.c (function_arg_advance): Pass SSE arguments in registers.
864 (function_arg): Likewise.
866 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
868 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
870 2001-02-21 Kazu Hirata <kazu@hxi.com>
872 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
876 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
878 * flow.c (init_propagate_block_info): Canon address and use single_set
879 for killing dead memory stores.
881 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
883 * Makefile.in (reorg.o): Add params.h dependence.
884 * params.def: Fix typographical error in comment.
885 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
886 * params.h: Modify introductory comment.
887 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
888 * reorg.c: Add dependence on params.h.
889 (redundant_insn): Add parameterized throttle for search.
890 (fill_simple_delay_slots): Add a comment explaining a variable.
891 Move conditional out of loop, simplifying code.
892 (fill_eager_delay_slots): Fix typographical error in comment.
894 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
896 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
898 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
899 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
901 2001-02-21 Jason Merrill <jason@redhat.com>
903 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
904 (struct tree_decl): Add uninlinable bitfield.
905 * c-decl.c (duplicate_decls): Set it.
906 * integrate.c (function_cannot_inline_p): Check it.
908 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
909 DW_AT_MIPS_linkage_name to abstract methods.
910 (dwarf2out_abstract_function): Emit class context before calling
911 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
912 (gen_subprogram_die): Remove obsolete code.
913 (gen_member_die): Don't include clones in the member list.
914 (gen_decl_die): Emit abstract info for clone origin.
915 * dwarfout.c (output_type): Don't include clones in the member list.
916 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
917 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
918 DECL_ABSTRACT on a function that already has it set.
920 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
921 (get_subprogram_die): Pass it in.
923 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
925 * flow.c (mark_set_1): Make not_dead unsigned long. For
926 non-pseudos, use it as a bitmask of the hard regs that
929 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
931 * cppfiles.c: Update comments.
932 (_cpp_read_file): Don't check for NULL filenames any more.
933 * cppinit.c (cpp_start_read): Don't do canonicalization of
934 in_fname and out_fname. Use the passed file name exclusively.
935 (_cpp_handle_options): Don't treat "-" as a command line option,
936 but as a normal filename.
937 (_cpp_post_options): Canonicalize in_fname and out_fname.
938 * cppmain.c (printer_init): Don't check out_fname for NULL.
939 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
940 (init_c_lex): Update, and use "" to represent stdin to CPP.
943 2001-02-20 Will Cohen <wcohen@redhat.com>
945 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
946 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
947 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
950 2001-02-20 Stan Shebs <shebs@apple.com>
952 * config/rs6000/rs6000.c (output_cbranch): Output branches
953 on separate lines instead of using ';' to separate.
955 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
957 * cppinit.c (set_lang): Move builtin handling to...
958 (init_builtins): ...here.
959 (_cpp_create_reader): Move call to set_lang.
961 2001-02-20 Mark Mitchell <mark@codesourcery.com>
963 * stmt.c (expand_return): If an attempt is made to return the
964 error_mar_node, treat the return like a return without a value.
966 2001-02-19 Zack Weinberg <zackw@stanford.edu>
968 * sibcall.c (skip_copy_to_return_value): Call
969 identify_call_return_value here, and return orig_insn if it
970 returns zero. Hardret and softret arguments now unnecessary.
971 (call_ends_block_p): Don't call identify_call_return_value here.
973 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
975 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
976 * ggc.h (ggc_mark_if_gcable): Delete prototype.
978 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
980 * pa.c (move_operand): Accept code to load the address of a
981 symbol out of the DLT as a valid move operand.
982 (print_operand, case 'A'): New to handle generating a DLT
983 reference for a LO_SUM expression.
984 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
985 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
987 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
989 * README, cpp.texi, gcc.texi, version.c: Update version number to
991 * cpp.1, gcov.1, gcc.1: Regenerate.
993 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
995 * cppfiles.c (stack_include_file): Generate dependencies
996 here, and manage include_count here too.
997 (PRINT_THIS_DEP): Delete.
998 (_cpp_execute_include): Do not generate dependencies here,
999 apart from the case of a missing header. Do not manage
1001 (_cpp_read_file): Leave dependency generation to
1004 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1006 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1007 target_cpu_default. Remove dead assignment to
1010 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1012 * regclass.c (contains_reg_of_mode): Make global.
1013 (init_reg_sets): Remove contains_reg_of_mode; take into account
1014 CLASS_MAX_NREGS when looking for the proper mode.
1015 (dump_regclass): Dump only classes considered for the pseudo.
1016 (regclass): Use contains_reg_of_mode.
1018 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1020 * gcc.c (do_spec_1): 'n' for printing notices.
1021 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1023 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1025 * reg-stack.c (next_flags_user): Use current_block->end
1026 (swap_rtx_condition): Look for next user if flags don't die;
1027 give up on CALL_INSNs; use current_block->end.
1029 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1031 * sibcall.c (call_ends_block_p): New function.
1032 (optimize_sibling_and_tail_recursive_call): Use it.
1034 2001-02-18 Kazu Hirata <kazu@hxi.com>
1036 * config/h8300/h8300.md: Update copyright.
1037 (andsi3): Do not output an extra newline character.
1039 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1041 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1042 FNDECL may be unused.
1044 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1045 follow jumps after first run.
1046 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1047 it doesn't change any jumps.
1049 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1051 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1052 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1053 (mostlyclean): Corresponding changes.
1054 * rtlanal.c (hard-reg-set.h): Include.
1055 (rtx_unstable_p): Do not treat the argument pointer specially
1056 if it is not a fixed register.
1057 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1059 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1061 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1062 against last real insn in basic block.
1063 Rework to avoid gotos.
1065 * Makefile.in (gcse.o): Now includes ggc.h.
1066 * gcse.c: Include ggc.h.
1067 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1068 (try_replace_reg): Remove warning of uninitialize variable.
1069 (process_insert_insn): Call invalid_insn_p to validate insn.
1070 * recog.c (insn_invalid_p): Now global.
1071 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1072 * recog.h (insn_invalid_p): New declaration.
1074 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1076 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1077 assignments from FP constants since 'Y' output code can't handle it.
1078 (eligible_for_sibcall_delay): Likewise.
1080 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1081 Call fancy_abort directly, passing args.
1082 (print_rtl_and_abort): Now a macro, like fancy_abort.
1084 * final.c (output_operand_lossage): Use internal_error, not error.
1086 2001-02-18 Shane Nay <shane@agendacomputing.com>
1088 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1089 structure shift insns.
1091 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1093 * invoke.texi (-fsquangle): Remove documentation.
1094 (-fname-mangling-version): Likewise.
1096 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1098 * optabs.c (expand_abs): Remove reference to
1099 HAVE_contitional_arithmetic.
1100 * combine.c (simplify_set): Likewise.
1102 2001-02-18 Richard Henderson <rth@redhat.com>
1104 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1107 2001-02-18 Richard Henderson <rth@redhat.com>
1109 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1111 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1113 * reload1.c (reload_cse_simplify_set): Fix typo.
1115 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1117 * diagnostic.c (_fatal_insn): Decrement errorcount.
1119 * invoke.texi (-I): Add note avoiding use for system header files.
1121 * rtl.h (add_clobbers): Remove duplicate declaration.
1122 * recog.h (added_clobbers_hard_reg_p): New declaration.
1123 * genemit.c (struct clobber_pat): New field has_hard_reg.
1124 (gen_insn): Record if added clobbers clobber hard reg.
1125 (gen_split): Avoid unused warning if number of operands is 0.
1126 (output_added_clobbers_hard_reg_p): New function.
1129 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1131 * pa.c (hppa_expand_prologue): Simplify code storing return
1132 pointer. For large (>=8k) frames with a post_store, adjust stack
1133 pointer by 8k-64 first rather than by 64. When testing with
1134 VAL_14_BITS_P, always use the actual value rather than the value
1135 negated. Add blockage to prevent scheduling of spills before
1136 stack frame has been created.
1137 (hppa_expand_epilogue): Simplify code loading return pointer.
1138 Allow a slightly larger range for merge_sp_adjust_with_load case.
1139 When testing with VAL_14_BITS_P, always use the actual value.
1141 * pa.c (pa_adjust_insn_length): Check that block move
1142 pattern is a set before looking at operands.
1144 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1146 * fold-const.c (fold_binary_op_with_conditional_arg): New
1147 function, split out from ...
1149 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1150 conditional arms that throw exceptions.
1152 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1155 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1157 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1158 define HAVE_DECL_* to 1 to mask potential backup declarations.
1159 * configure: Regenerated.
1161 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1163 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1165 2001-02-17 Richard Henderson <rth@redhat.com>
1167 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1168 when replacing a memory load with a register.
1170 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1171 Jan Hubicka <jh@suse.cz>
1173 * recog.c (validate_replace_src_1): New.
1174 (validate_replace_src_data): Likewise.
1175 (validate_replace_src): Use note_uses.
1176 * rtl.h (note_uses): Declare.
1177 * rtlanal.c (note_uses): New.
1179 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1181 * reg-stack.c (stack_def): Make field reg unsigned.
1182 (remove_regno_note): Unsignetize parameter.
1184 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1186 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1187 shladd_operand() call.
1189 2001-02-16 Bruce Korb <bkorb@gnu.org>
1190 Rodney Brown <RodneyBrown@mynd.com>
1192 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1193 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1194 machine restrictions
1195 * fixinc/fixincl.x: regen
1197 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1199 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1201 (hash_scan_insn): Clean up calls to hash_scan_set.
1202 (compute_kill_rd): REGNO now unsigned.
1203 (try_replace_reg): Rework to use simplify_replace_rtx.
1204 (cprop_jump, cprop_cc0_jump): Likewise.
1205 (cprop_insn): Call find_reg_equal_equiv_note.
1206 Reflect changes to cprop_jump and cprop_cc0_jump.
1208 * recog.c (validate_replace_src): Replace in operands of
1209 ZERO_EXTRACT in SET_DEST.
1211 * cse.c (new_label_ref): New variable.
1212 (insert): Set it instead of recorded_label_ref.
1213 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1214 CODE_LABEL for this function, and not already in REG_LABEL note.
1216 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1218 * resource.c (mark_referenced_resources): Fix typo in introductory
1220 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1223 2001-02-16 Jason Merrill <jason@redhat.com>
1225 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1227 (gen_subprogram_die): Don't abort on seeing a second definition if
1228 the previous one was abstract. Don't replace an abstract instance
1229 in the lookup table.
1231 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1232 gen_abstract_function.
1233 * dwarf2out.h: Declare it.
1234 * toplev.c (note_outlining_of_inline_function): New fn.
1235 * toplev.h: Declare it.
1236 * integrate.c (output_inline_function): Call it.
1237 * c-decl.c (duplicate_decls): Call it when redefining an extern
1238 inline. Don't inline the new defn.
1240 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1242 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1244 * .gdbinit: Rename to gdbinit.in.
1245 * gdbinit.in: New file,
1246 * configure.in: Generate .gdbinit from gdbinit.in.
1247 * configure: Regenerated.
1248 * Makefile.in (distclean): Always remove .gdbinit.
1250 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1252 * objc/objc-act.c (start_class): Register implemented_classes with
1255 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1257 * cppfiles.c (_cpp_make_system_header): Generate a file
1260 2001-02-15 Jim Meyering <meyering@lucent.com>
1262 * Makefile.in (install-common): Don't depend on installdirs here.
1263 Instead, make each of the lang.install-common targets (e.g.,
1264 c++.install-common in cp/Make-lang.in) depend on it.
1265 (install-driver): Depend on installdirs.
1267 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1269 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1271 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1274 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1276 * invoke.texi (--param): Document.
1278 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1280 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1282 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1284 * i386.md (extendsfdf2_2): Fix constraints.
1286 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1288 * i386.md (fop_df_3 splitter): Fix operand number.
1290 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1292 * invoke.texi (-mreg-alloc): Nuke.
1293 * i386.c (ix86_reg_alloc_order, regs_allocated,
1294 order_regs_for_local_alloc): Nuke.
1295 (override_options): Kill reg_alloc code.
1296 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1297 (REG_ALLOC_ORDER): SSE goes before I387.
1298 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1299 (ix86_reg_alloc_order): Likewise.
1300 * i386-protos.h (ix86_reg_alloc_order): Kill.
1302 2001-02-14 Richard Henderson <rth@redhat.com>
1304 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1306 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1308 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1310 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1312 * i386-protos.h (ix86_memory_move_cost): Move offline.
1313 * i386.c (ix86_register_move_cost): Compute properly cost of
1314 SSE, MMX and i387 instructions.
1315 (*_cost): Add costs of SSE/MMX moves.
1316 (ix86_memory_move_cost): Move offline from ....; Likewise.
1317 * i386.h (MEMORY_MOVE_COST): .... here;
1318 (struct processor costs): Add new fields to represent costs
1321 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1323 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1324 move_cost together with Matt Kraai's fix.
1326 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1328 * Makefile.in (OBJS): Add params.o.
1330 2001-02-14 Richard Henderson <rth@redhat.com>
1331 DJ Delorie <dj@redhat.com>
1333 * jump.c (jump_optimize_1): When we delete a conditional jump
1334 preceeding a non-conditional jump to effectively the same place,
1335 make sure that the combined jump skips any clobber insns between
1338 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1340 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1342 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1344 * Makefile.in (toplev.o): Depend on params.h.
1345 (intergate.o): Likewise.
1346 (params.o): New target.
1347 * flags.h (inline_max_insns): Remove.
1348 * integrate.c: Include params.h.
1349 Use MAX_INLINE_INSNS instead of inline_max_insns.
1350 * params.c: New file.
1351 * params.h: Likewise.
1352 * params.def: Likewise.
1353 * toplev.c: Include params.h.
1354 (lang_independent_params): New variable.
1355 (decode_f_option): Use the param machinery instead of setting
1357 (independent_decode_option): Handle "--param name=value".
1358 (main): Register language-independent parameters.
1360 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1362 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1364 2001-02-14 Richard Henderson <rth@redhat.com>
1366 * regclass.c (init_reg_sets_1): Revert last two changes.
1368 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1370 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1371 (variable_size): Call put_pending_size.
1372 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1373 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1374 sizes list, put newly created SAVE_EXPR there as well.
1376 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1378 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1379 (errata_find_address_regs): load_group has only 2 entries.
1380 (errata_emit_nops): Likewise. shladd is not problematic.
1381 Clear last_group if nop was emitted.
1382 (fixup_errata): load_group has only 2 entries.
1385 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1387 * c-lex.c (lex_number): Only warn traditionally for U suffix
1388 outside system macros.
1389 * cppexp.c (parse_number): Similarly.
1390 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1391 * cppmacro.c (struct cpp_macro): New member node.
1392 (parse_args): Only warn about missing rest args if not
1394 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1395 (cpp_sys_objmacro_p): New.
1396 (_cpp_create_definition): Store the node with the macro defn.
1397 Remember if the macro is defined in a system header.
1399 2001-02-13 DJ Delorie <dj@redhat.com>
1401 * configure.in (check_languages): determine languages to check
1402 * Makefile.in (check-c++): alias for check-g++
1403 (check-f77): alias for check-g77
1404 (CHECK_TARGETS): depend on configured languages
1406 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1408 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1409 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1410 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1411 (sqrtextendsfdf2): Disable for SSE2.
1413 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1415 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1416 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1417 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1418 (sqrtextendsfdf2): Disable for SSE2.
1420 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1422 * i386.md (movsfcc_1): Support integer cmove instruction.
1423 (movdfcc_1): Likewise; new splitter.
1425 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1427 * i386.c (output_fp_compare): Support SSE.
1428 (prepare_fp_compare_args): SSE comparisons always support memory.
1429 * i386.h (TARGET_CMOVE): SSE imply cmove.
1430 * i386.md (cmp?f2): Enable for SSE too.
1431 (cmpfp_i*): Support SSE.
1433 (cmpfp_i_sse_only): New.
1434 (s*, b* fp expanters): Enable for SSE too.
1435 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1438 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1440 * regclass.c (init_reg_sets_1): Silence warning.
1442 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1444 * i386.md (sqrt?f2): Change to expander.
1445 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1447 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1449 * rtlanal.c (find_reg_equal_equiv_note): New function.
1450 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1451 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1452 * rtl.h: Add declarations for above functions.
1454 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1456 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1458 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1459 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1460 * flow.c (mark_regs_live_at_end): Likewise.
1461 (calculate_global_regs_live): Likewise.
1462 * gcse.c (compute_hash_table): Likewise.
1463 (compute_kill_rd): Likewise.
1464 * resource.c (mark_target_live_regs): Likewise.
1465 * rtl.h (INVALID_REGNUM): New macro.
1467 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1469 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1471 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1473 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1476 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1478 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1480 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1481 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1482 (fop_sf_1_sse, fop_df_1_sse): New patterns
1483 (fop_*): Disable float_extend and float patterns for SSE compilation.
1484 * i386.c (output_387_binary_op): Support SSE.
1486 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1488 * i386.md (dummy_extendsfdf2): Support SSE2
1489 (extendsfdf2): Enable if 80387 or SSE2.
1490 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1491 and no MIX_I387_SSE2
1492 (extendsfdf2_1_sse_only): New pattern.
1493 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1495 (truncdfsf2_1): Support SSE.
1496 (truncdfsf2_2): Support SSE.
1497 (truncdfsf2_2_1_sse): New pattern.
1498 (fixtruncsfsi2): Always use SSE if available.
1499 (fix_truncsfsi_sse): New pattern.
1500 (fix_truncdfsi_sse): New pattern.
1501 (floatsis?f2): Support SSE.
1502 (floatsidf2_i387): New pattern.
1503 (floatsidf2_sse): Likewise.
1505 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1507 * configure.in: Use "have_gnat" variable, not "gnat".
1508 * configure: Regenerated.
1510 * config/sparc/sparc.c (function_value): Treat all non-record
1511 aggregate types like used to treat UNION_TYPE.
1513 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1515 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1516 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1518 (MASK_MIX_SSE_I387): New.
1519 (TARGET_SSE): SSE2 imply SSE.
1520 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1521 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1522 (enum reg_class): Add new classes.
1523 (REG_CLASS_NAMES): Likewise.
1524 (REG_CLASS_CONTENTS): Likewise.
1525 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1526 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1527 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1528 (CLASS_MAX_NREGS): Use new macros.
1529 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1530 * i386.md (pushsf, movsf): Support SSE.
1531 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1532 splitters to use ANY_FP_REGNO_P.
1533 (movdf_nointeger, movdf_integer): Likewise.
1535 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1537 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1538 (try_combine): Use it.
1540 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1542 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1543 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1544 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1545 (REGISTER_MOVE_COST): Likewise.
1546 * i386-protos.h (ix86_secondary_memory_needed,
1547 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1548 * i386.c (ix86_secondary_memory_needed,
1549 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1551 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1553 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1554 (HARD_REGNO_MODE_OK): Move offline to ....
1555 * i386.c (ix86_hard_regno_mode_ok) ... here;
1556 refuse all incorrect modes.
1557 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1559 2001-02-13 Richard Henderson <rth@redhat.com>
1561 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1562 entire operator; replicate that and match_dup the operands.
1563 (cmp_ccx_arith_op_set): Likewise.
1564 (cmp_cc_arith_op_not_set): Likewise.
1565 (cmp_ccx_arith_op_not_set): Likewise.
1567 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1569 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1571 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1573 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1574 (TARGET_NO_BITFIELD_WORD): New macro.
1575 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1576 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1578 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1580 * cselib.c: New file, from simplify-rtx.c.
1581 * simplify-rtx.c: Remove cselib parts.
1582 * Makefile.in: Add cselib.o.
1584 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1586 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1587 (setup_incoming_varargs): Remove warning.
1589 * config/rs6000/rs6000.c (validate_condition_mode): When
1590 flag_fast_math, allow floating-point conditionals to be reversed.
1591 (rs6000_generate_compare): When flag_fast_math, don't generate
1592 cror operations for FP conditionals.
1594 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1596 (ASM_SPEC): Likewise.
1597 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1598 (CC1_SPEC): Likewise.
1599 (LINK_TARGET_SPEC): Likewise.
1600 (CPP_ENDIAN_SPEC): Likewise.
1601 * Makefile.in (check-consistency): New target.
1603 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1605 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1606 "return type defaults" warning for functions with return type
1608 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1609 function declarations by default rather than only when pedantic.
1611 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1613 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1616 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1618 * extend.texi (Deprecated): Deprecate new initializer lists.
1620 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1622 * mkdeps.c (deps_add_default_target): Robustify. Add
1623 basename component only.
1624 * cpp.texi (-M): Describe how default target is generated.
1625 * invoke.texi (-M): Likewise.
1627 2001-02-12 Kazu Hirata <kazu@hxi.com>
1629 * toplev.c (push_float_handler): Remove.
1630 (pop_float_handler): Remove.
1631 * toplev.h: Remove prototypes for the above functions.
1633 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1635 * c-common.c (constant_fits_type_p): New function.
1636 (convert_and_check): Use it.
1638 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1640 * Makefile.in (GXX_ABI_FLAG): Don't define.
1641 * configure.in (--enable-new-gxx-abi): Remove option.
1642 * config.in: Regenerated.
1643 * configure: Likewise.
1645 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1647 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1649 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1650 regular basic block, and arrange for all edges into it to switch
1653 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1655 * Makefile.in (distclean): Do not remove .gdbinit.
1657 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1659 * Makefile.in (gcc.o): Fix typos.
1660 (protize.o): Likewise.
1661 (unprotoize.o): Likewise.
1663 2001-02-11 Richard Henderson <rth@redhat.com>
1665 * tree.c (build1): Check for null operand in last change.
1667 2001-02-11 Richard Henderson <rth@redhat.com>
1669 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1670 (fold): Don't assume a constant isn't foldable.
1671 * tree.c (build): Set TREE_CONSTANT for an expression with no
1672 side-effects and constant operands.
1675 2001-02-10 Richard Henderson <rth@redhat.com>
1677 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1679 2001-02-10 Anthony Green <green@redhat.com>
1681 * cpp.texi (Standard Predefined): Add documentation for
1684 * c-common.c (combine_strings): Improve warning message.
1686 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1688 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1690 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1692 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1694 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1697 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1699 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1702 2001-02-09 Nick Clifton <nickc@redhat.com>
1704 * config/arm/arm.md: Change output contraint on post inc
1705 load/store multiple patterns to be a read/write contraint.
1707 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1709 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1710 .o files when using the -M options.
1712 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1713 David Edelsohn <edelsohn@gnu.org>
1715 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1716 handle DImode constants. Use one TOC entry for SImode and smaller
1717 constants, aligned properly.
1719 2001-02-08 Jason Merrill <jason@redhat.com>
1721 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1722 about the SP adjustment for saving the static chain pointer.
1723 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1724 offset when setting a temporary CFA register.
1726 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1728 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1729 powerpc-*-chorusos* .
1730 * config/rs6000/chorus.h : New file.
1731 * config/i386/chorus.h : New file.
1732 * config/sparc/chorus.h : New file.
1733 * config/sparc/t-chorus-elf : New file.
1735 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1737 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1738 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1739 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1740 (__WCHAR_TYPE__): Correct macro name.
1742 2001-02-08 Richard Henderson <rth@redhat.com>
1744 * config/i386/i386.c (ix86_frame_pointer_required): New.
1745 (ix86_setup_frame_addresses): New.
1746 (struct machine_funciton): Add accesses_prev_frame.
1747 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1748 ix86_frame_pointer_required.
1749 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1750 (SETUP_FRAME_ADDRESSES): New.
1751 * config/i386/i386-protos.h: Update.
1752 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1753 from FRAME_POINTER_REQUIRED.
1754 * config/i386/svr3gas.h: Likewise.
1755 * config/i386/sysv3.h: Likewise.
1756 * config/i386/v3gas.h: Likewise.
1758 2001-02-08 Richard Henderson <rth@redhat.com>
1760 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1761 calculation of the number of integer registers required.
1762 (function_arg_record_value): Likewise.
1764 2001-02-08 Jason Merrill <jason@redhat.com>
1766 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1767 two. Print file and line with "confused" message.
1769 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1771 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1773 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1775 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1777 * final.c (cleanup_subreg_operands): The address of a MEM can
1780 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1783 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1785 * gcc.texi (Incompatibilities): Update documentation of
1786 preprocessing numbers.
1788 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1790 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1792 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1794 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1796 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1797 * gcc.c (struct compiler): Add cpp_spec field.
1798 (input_file_compiler): New variable.
1799 (do_spec_1): Allow a particular compiler to handle `%C'
1801 (main): Store the current compiler in input_file_compiler.
1802 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1804 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1806 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1807 * cppinit.c (cpp_create_reader): Initialize them.
1808 (append_include_chain): cxx_aware arg might be unused.
1809 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1810 keywords and give them their phase 7 meaning. Pedwarn about
1811 this unless '__bool_true_false_are_defined' is defined.
1813 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1815 * lcm.c (optimize_mode_switching): Emit mode_set before the
1816 JUMP_INSN of an abnormal edge.
1818 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1820 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1821 a scheduling barrier at the end.
1823 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1825 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1827 * config/sh/sh.md (reload_outsf): Removed.
1828 (movsf_ie): Introduce constraints for FPUL loads and stores.
1829 (reload_insf): Broaden the output constraint.
1831 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1833 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1834 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1836 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1838 * final.c: Revert my previous changes.
1839 * output.h: Make profile_label_no extern.
1840 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1841 for generating label.
1843 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1845 * config/i386/djgpp.h: Add comments about standard paths.
1846 (MD_EXEC_PREFIX): Undefine before defining.
1847 (MD_STARTFILE_PREFIX): New.
1849 2001-01-30 Bruce Korb <bkorb@gnu.org>
1851 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1852 (load_file): do not rely on load_file_data() to close file pointer
1853 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1854 fixinc/inclhack.def(irix_limits_const): add test_text
1856 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1858 * cppexp.c (parse_defined): Improve diagnostics for invalid
1861 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1863 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1865 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1867 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1868 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1869 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1870 (rs6000_output_symbol_ref): New function.
1871 (output_toc): Use VTABLE_NAME_P.
1873 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1875 * print-tree.c (print_node, case PARM_DECL):
1876 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1878 * stor-layout.c (reference_types_internal): New variable.
1879 (internal_reference_types): New function.
1880 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1881 * tree.h (internal_reference_types): New declaration.
1883 * cse.c (find_best_addr): Fix typo in computing cost.
1885 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1887 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1888 and this is the sum of a pointer and a constant, we know the result
1890 (num_sign_bit_copies, case PLUS): Likewise.
1891 * explow.c (convert_memory_address): Remove opposite SUBREG.
1892 * function.c (instantiate_new_reg): New function (from common code).
1893 (instantiate_virtual_regs_1): Call it.
1894 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1895 if pointers sign- or zero-extend.
1896 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1897 If pointers extend unsigned, use inside of SUBREG.
1898 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1900 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1902 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1903 subdir of gcc_gxx_include_dir.
1904 (gcc_gxx_target_include_dir): Remove.
1906 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1908 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1909 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1910 a high-level description.
1912 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1914 * final.c: Move the declaration of profile_label_no to ...
1915 * output.h: ... here.
1916 * function.c (expand_function_start): Call PROFILE_HOOK.
1917 * config/rs6000/aix.h: Define PROFILE_HOOK.
1918 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1919 * config/rs6000/rs6000.c (output_profile_hook): Define.
1920 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1921 output_profile_hook.
1922 tm.texi : Explain new macro PROFILE_HOOK.
1924 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1926 * extend.texi (Extended Asm): Do not say that semicolon is always
1927 a valid line-breaking character for GNU assemblers. Use
1928 newline-tab as the most commonly supported syntax. Use
1929 newline-tab rather than semicolon in multi-insn examples.
1931 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1933 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1935 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1936 David Edelsohn <edelsohn@gnu.org>
1938 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1939 code for AIX, even without flag_pic.
1941 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1943 * c-typeck.c (common_type): push and pop binding level around
1944 calling common_type on function parameters.
1946 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1948 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1950 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1952 * config/mips/mips.c (override_options): Fix typo in last change.
1953 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1954 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1956 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1958 * invoke.texi (-fdump-class-layout): Document.
1959 (-fdump-translation-unit): Use `=' as filename separator.
1961 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1963 * Makefile.in (s-mlib): Don't build multilibs if
1965 (DRIVER_DEFINES): Adjust accordingly.
1967 (protoize.o): Likewise.
1968 (unprotoize.o): Likewise.
1969 * configure.in: Recognize --enable-multilib.
1971 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1973 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1975 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1976 * configure.in: Remove --enable-libstdcxx_v3 support.
1977 * configure: Regenerated.
1979 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1981 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1982 Call abort instead of fatal.
1983 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1984 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1985 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1986 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1987 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1988 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1990 * diagnostic.h (set_internal_error_function): Renamed.
1991 * toplev.h (internal_error): Renamed from fatal.
1992 (pfatal_with_name): Deleted.
1993 (fatal_io_error): Now has printf-style arguments.
1994 * diagnostic.c (pfatal_with_name): Deleted.
1995 (fatal_io_error): Rework to have args in printf-style.
1996 (set_internal_error_function): Renamed from set_fatal_function.
1997 (internal_error): Renamed from fatal.
1998 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1999 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2000 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2001 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2002 * flow.c (verify_flow_info): Likewise.
2003 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2004 * config/mips/mips.c (save_restore_insns): Likewise.
2006 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2007 * flow.c (verify_flow_info): Likewise.
2008 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2009 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2010 (avr_normalize_condition): Likewise.
2011 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2012 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2013 (limit_reload_class, double_reg_to_memory): Likewise.
2014 (print_operand_address, emit_1600_code_shift): Likewise.
2015 (gen_tst_reg, gen_compare_reg): Likewise.
2016 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2017 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2019 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2021 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2022 * objc/objc-act.c (build_ivar_chain): Likewise.
2023 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2025 * graph.c (clean_graph_dump_file): Likewise.
2026 * profile.c (init_branch_prob): Likewise.
2027 * objc/objc-act.c (objc_init): Likewise.
2029 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2030 * config/avr/avr.c (avr_override_options): Likewise.
2031 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2032 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2033 * config/h8300/h8300.c (h8300_init_once): Likewise.
2034 * config/mips/mips.c (override_options): Likewise.
2035 * config/i386/i386.c (override_options): Likewise, rework.
2036 * config/m68k/m68k.c (override_options): Likewise.
2038 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2040 * config/mips/mips.c (print_operand): Likewise.
2041 * hash.c (hash_allocate): Don't check for failure returns from
2042 obstack functions that can't fail.
2043 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2044 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2045 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2046 (get_object_reference): Likewise.
2048 2001-02-04 Nick Clifton <nickc@redhat.com>
2050 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2051 StrongARM1110, 10TDMI, and 1020T.
2053 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2055 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2057 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2059 * config/sh/sh.md (movdf load split): Pass register number to
2060 FP_OR_XD_REGISTER_P.
2062 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2064 * cppinit.c (BC): New macro.
2065 (builtin_array): Add __GXX_WEAK__.
2066 * cpplib.h (builtin_type): Add BT_WEAK.
2067 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2068 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2069 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2071 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2073 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2075 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2077 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2078 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2080 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2082 * cpphash.h: Rename ALIGN _ALIGN.
2083 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2085 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2087 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2088 compilation environment.
2089 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2090 control over location of cygwin includes and libs.
2092 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2094 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2096 2001-02-02 lars brinkhoff <lars@nocrew.org>
2098 * md.texi (Standard Names): remove reference to spur.md.
2100 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2102 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2103 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2104 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2105 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2106 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2108 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2110 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2111 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2112 number before reload.
2113 (c4x_adjust_cost): Return zero before reload.
2114 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2115 split before reload.
2117 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2119 * c4x.c (c4x_hard_regno_rename_ok): New.
2120 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2121 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2123 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2125 * diagnostic.h: Add missing "extern" in all declarations.
2127 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2129 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2130 as for gcc_gxx_include_dir.
2132 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2134 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2136 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2138 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2139 label before alignment to be used as the braf base address.
2140 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2142 (casesi_jump_2): Require at least TARGET_SH2.
2144 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2145 truncation to 32-bit doubles on -m3e and -m4-single-only.
2147 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2149 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2150 the default when building a shared object.
2151 (init_spec): Use it.
2152 * testsuite/lib/g++.exp: Include the directory where libgcc
2153 is located to the LD_LIBRARY_PATH list.
2154 * invoke.texi (-shared-libgcc): Document the cases in which
2155 GCC defaults to using the shared libgcc.
2157 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2159 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2160 unsigned is wide enough.
2162 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2163 (si_to_float): Likewise.
2164 (float_to_si, float_to_usi): Use BITS_PER_SI.
2166 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2168 * dwarf2out.c: Added explanation of abbreviations.
2169 (def_cfa_1): Added comments listing DWARF2 instructions.
2170 (cfa_temp_reg): Removed in favor of cfa_temp.
2171 (cfa_temp_value): Removed in favor of cfa_temp.
2172 (cfa_temp): New global variable.
2173 (dwarf2out_frame_debug_expr): Added extensive introductory
2174 comments explaining the function's transformations. Revised to
2175 use cfa_temp. Added some rtx checking. Generalize IOR case.
2176 (dwarf2out_frame_debug): Revised to use cfa_temp.
2177 (output_aranges): Cast as "unsigned" to avoid warning.
2178 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2179 explain which instructions must be marked.
2181 2001-02-01 Richard Henderson <rth@redhat.com>
2183 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2186 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2188 * config/sh/crt1.asm (main_k): Modified so that start calls
2189 ___setup_argv_and_call_main.
2191 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2193 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2194 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2195 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2196 * cppmacro.c (builtin_macro): Set builtin flags here.
2197 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2198 (replace_args): Clarify intent.
2199 (cpp_get_token): Macro expansion tokens get the saved flags.
2201 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2204 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2206 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2209 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2211 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2212 returns Pmode pseudo, but we need ptr_mode.
2213 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2214 Remove bogus conversions; use HOST_WIDE_INT for size.
2215 Don't use TARGET if wrong mode.
2217 * config/i386/i386.c (ix86_compute_frame_size): Allow
2218 stack_alignment_needed to be non-default even if size is zero.
2220 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2222 * (hppa_init_pic_save): Emit the pic offset table
2223 reg save after last_parm_insn.
2224 * pa.c (hppa_init_pic_save): New function.
2225 * pa.h (hppa_init_pic_save): Declare.
2226 * pa.md (call, call_value, sibcall, sibcall_value): Use
2227 the above instead of duplicated code.
2229 * pa.c (hppa_encode_label): Correct size of alloca buffer
2230 so we don't overrun it. Correct leading `*' case.
2231 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2232 need to handle `*@'.
2233 (FUNCTION_NAME_P): Likewise.
2235 2001-01-31 Richard Henderson <rth@redhat.com>
2237 * config.gcc (alpha-osf5): Use float-i128.h.
2239 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2240 * config/float-i32.h: Likewise.
2241 * config/float-i64.h: Likewise.
2242 * config/float-sh.h: Likewise.
2243 * config/float-sparc.h: Likewise.
2245 2001-01-31 DJ Delorie <dj@redhat.com>
2247 * expmed.c (extract_bit_field): allow non-integral modes if we
2248 want to extract a whole register from itself.
2250 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2252 * c-typeck.c (set_init_index): If first is equal to last, assume as
2253 if it was not a range at all.
2255 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2257 * config/fp-bit.c: Include tm.h.
2258 (float_to_si): Don't assume SImode is 32-bits wide.
2259 (float_to_usi): Likewise.
2261 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2263 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2265 (typename): Call pending_xref_error after parsing typed_typespecs.
2266 * c-decl.c (lookup_tag): Give error immediately rather than
2267 leaving it pending if the tag of the wrong type is in the same
2269 (xref_tag): Don't pedwarn for forward declarations of enum types
2271 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2274 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2276 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2278 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2280 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2281 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2283 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2285 * cpphash.h (struct cpp_reader): New saved_flags.
2286 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2287 to avoid a paste after a pasted token.
2289 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2291 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2292 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2293 Wtype_MIN instead of LONG_MIN.
2295 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2297 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2299 * fixinc/fixincl.x: Regenerated.
2300 * fixinc/inclhack.def (irix_limits_const): New definition to
2301 convert "const" to "__const" in limits.h.
2303 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2305 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2307 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2309 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2310 when register dies in the insn.
2312 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2314 * diagnostic.c (fatal): Fix word wrap.
2316 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2318 * combine.c (try_combine): Fix SUBREG setting for
2319 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2321 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2323 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2326 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2328 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2330 * toplev.c (decode_W_option): Update warn_larger_than
2331 unconditionally for each processed switch.
2333 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2335 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2337 (hppa_expand_prologue): Delete code to save pic offset table register
2338 in the function prologue.
2339 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2340 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2341 table register at the beginning of the function after the prologue.
2343 2001-01-29 lars brinkhoff <lars@nocrew.org>
2345 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2347 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2348 Jeff Law <law@redhat.com>
2350 * pa.md (return): Revise comment for trivial return.
2351 (return_internal): Non-trivial return pattern for non-PIC code.
2352 (return_internal_pic): Non-trivial return pattern for PIC code.
2353 It uses the PIC register to ensure it is restored after
2355 (epilogue): Generate appropriate return for PIC and non-PIC code.
2357 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2359 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2361 2001-01-29 DJ Delorie <dj@redhat.com>
2363 * combine.c (if_then_else_cond): Pass the correct mode to
2364 operand_subword() for constants.
2366 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2368 * config/i386/cygwin.h: Add w32api to include search. Search different
2369 directories in a cross-build environment.
2371 2001-11-29 Tim Josling <tej@melbpc.org.au>
2373 * tree.h (TYPE_STUB_DECL): Add documentation.
2375 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2377 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2378 (sdbout_field_types): Likwise. Fix use of host_integerp.
2380 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2382 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2385 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2387 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2388 to use flag_gnu_linker.
2390 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2392 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2393 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2395 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2397 * tree.c, tree.h (build_parse_node): Remove; was identical to
2399 * c-lang.c (start_cdtor), objc/objc-act.c
2400 (build_module_descriptor): Use build_nt instead of
2403 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2405 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2406 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2407 not have any upper bits set.
2409 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2411 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2413 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2415 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2417 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2419 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2420 (integer_minus_one_node): Define.
2422 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2424 * Makefile.in (bootstrap2-lean): Fix typo.
2426 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2428 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2429 : Don't set fe_value.
2430 * cpplib.h (AVOID_LPASTE): New flag.
2431 (struct cpp_hashnode): Remove fe_value.
2432 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2433 * cppmacro.c (builtin_macro): Don't set flags here.
2434 (replace_args): Set AVOID_LPASTE flag on first token of an
2435 argument, and the token following it.
2436 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2437 macro expansion, and on the token following it. Do it for
2439 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2441 2001-01-27 Richard Henderson <rth@redhat.com>
2443 * config/alpha/t-ieee: Remove multilibbing.
2444 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2446 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2448 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2450 * Makefile.in: Remove all dependencies on defaults.h.
2451 * builtins.c: Don't include defaults.h.
2452 * c-common.c: Likewise.
2453 * c-decl.c: Likewise.
2454 * c-pragma.c: Likewise.
2455 * c-typeck.c: Likewise.
2456 * combine.c: Likewise.
2458 * frame-ia64.c: Likewise.
2459 * cppexp.c: Likewise.
2460 * crtstuff.c: Likewise.
2461 * dbxout.c: Likewise.
2462 * dwarf2out.c: Likewise.
2463 * dwarfout.c: Likewise.
2464 * emit-rtl.c: Likewise.
2465 * except.c: Likewise.
2467 * final.c: Likewise.
2468 * frame-dwarf2.c: Likewise.
2469 * libgcc2.c: Likewise.
2470 * optabs.c: Likewise.
2471 * profile.c: Likewise.
2472 * sdbout.c: Likewise.
2473 * toplev.c: Likewise.
2474 * tradcif.y: Likewise.
2476 * varasm.c: Likewise.
2478 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2480 * builtins.c (expand_builtin_fputs): Use size_one_node when
2481 transforming into fwrite.
2483 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2485 * extend.texi (Attribute Syntax): New section.
2487 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2489 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2490 they didn't need fixing.
2492 2001-01-27 Janis Johnson <janis@us.ibm.com>
2494 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2496 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2497 to remove macro definitions that are duplicated from elfos.h.
2499 2001-01-27 Richard Henderson <rth@redhat.com>
2501 * config/i386/sco5gas.h: Move ...
2502 * config/usegas.h: ... here.
2503 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2505 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2507 * c-typeck.c (struct constructor_stack): Add range_stack member.
2508 (really_start_incremental_init): Clear it.
2509 (push_init_level): Save constructor_range_stack and clear it if
2510 pushing explicit braces.
2511 (pop_init_level): abort if constructor_range_stack is non-zero at
2512 explicit closing brace. Restore saved constructor_range_stack if
2515 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2517 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2518 into register was forced into memory.
2520 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2522 * Makefile.in: Remove uses of + before $(MAKE).
2524 2001-01-26 Richard Henderson <rth@redhat.com>
2526 * stmt.c (cost_table): Remove.
2527 (COST_TABLE, cost_table_initialized): New.
2528 (estimate_case_costs): Use the later instead of the former.
2529 (balance_case_nodes): Likewise.
2531 2001-01-26 Richard Henderson <rth@redhat.com>
2533 * alias.c (objects_must_conflict_p): Read-only slots may not
2534 conflict despite having the same type.
2536 2001-01-27 Michael Hayes <mhayes@redhat.com>
2538 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2540 (check_ext_dependant_givs): Initialise u_start_val and
2542 (load_mems): Make last_max_reg unsigned.
2543 (try_swap_copy_prop): Use INSN_P and initialise set.
2545 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2547 * README.AVR : Removed.
2549 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2551 * pa-64.h (text_section): Remove declaration.
2553 * pa.md (return_internal): Remove mode on PIC register use.
2555 2001-01-25 lars brinkhoff <lars@nocrew.org>
2557 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2558 ASM_CLOSE_PAREN): fix typos.
2560 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2562 * acconfig.h: Define `const' to the empty string if neither
2563 __STDC__ nor __cplusplus is defined.
2564 * config.in: Regenerated.
2566 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2568 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2569 * collect2.c (main): Delete importf. Add ".obj" file extension.
2570 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2571 (aix_std_libs): Add additional AIX libraries to skip.
2572 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2573 * config/rs6000/aix51.h: New file.
2575 2001-01-25 Michael Hayes <mhayes@redhat.com>
2577 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2578 (loop_insn_emit_before): No longer static.
2579 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2580 (loop_givs_rescan, load_mems): Likewise.
2581 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2582 (maybe_eliminate_biv_1):
2583 (move_movables): Replace emit_call_insn_before with
2584 loop_call_insn_hoist.
2585 * loop.h (loop_insn_emit_before): Add.
2586 * unroll.c (copy_loop_body): Replace emit_insn_before with
2587 loop_insn_emit_before.
2589 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2591 * diagnostic.c (fatal): Request preprocessed source.
2593 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2595 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2596 olddecl has argument types and newdecl has none, use the argument
2599 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2601 * dwarf2out.c (prefix_of): New function. Determine longest common
2602 prefix of the two arguments. The units are whole path components.
2603 (output_file_names): When adding a new directory find the one entry
2604 with the longest common prefix already in the list. Artificially
2605 generate entry if there is none for this prefix.
2606 Fix test to check whether the zeroth directory entry is used.
2608 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2610 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2611 Changed all callers. Take it into account when deciding if a
2612 previously loaded value matches.
2614 2001-01-24 Richard Henderson <rth@redhat.com>
2616 * reload.c (find_reloads_subreg_address): Fail the substitution
2617 if the resulting address is insufficiently aligned.
2619 2001-01-24 DJ Delorie <dj@redhat.com>
2621 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2622 check the original operand's mode also.
2623 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2625 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2627 * c-parse.in (cast_expr): Move compound literals from here ...
2628 (primary): ... to here. Use standard terminology "compound
2629 literal" instead of "constructor expression".
2631 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2633 * gcc.1, cpp.1: Regenerate.
2635 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2637 * calls.c (emit_library_call_value_1): Memory slot for
2638 pass-by-reference argument should have the mode of the argument,
2639 not of the pointer to it.
2641 2001-01-24 Tom Tromey <tromey@redhat.com>
2643 * gcc.texi (G++ and GCC): Mention gcj manual.
2644 (Standards): Link to section of manual mentioning gcj/Java
2647 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2649 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2650 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2651 * tradcpp.c (main): Add -imacros or -include'd dependencies
2653 * cpp.texi (-M, -MM): Document -M -include behaviour.
2655 2001-01-24 Roger Collins <roger@ProProject.com>
2657 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2659 2001-01-24 Will Cohen <wcohen@redhat.com>
2661 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2662 whether registers are 32 bits or 64 bits in size.
2664 2001-01-24 Ben Elliston <bje@redhat.com>
2666 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2668 2001-01-24 Richard Henderson <rth@redhat.com>
2670 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2671 (builtin_longjmp): Use it instead of emit_indirect_jump.
2673 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2675 * bb-reorder.c (make_reorder_chain_1): Handle case where
2676 jump edge goes to the same block as the fallthru edge.
2678 2001-01-23 Jim Wilson <wilson@redhat.com>
2680 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2681 * frame.h (__ia64_personality_v1): Add prototype.
2682 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2683 prototype form. Add void * cast to first argument to personality
2685 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2686 (asctoe113): Likewise.
2687 * config/ia64/frame-ia64.c: Include eh-common.h.
2688 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2690 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2692 (itanium_split_issue): Add prototype.
2693 (gen_nop_type): Ifdef out.
2694 (find_best_packet): Initialize best_packet.
2695 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2697 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2698 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2699 (flushrs): Add explicit stop bit at end.
2700 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2703 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2705 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2707 * libgcc2.c (__terminate_func): Make variable static.
2708 (__terminate_set_func): New function to set __terminate_func.
2709 * libgcc2.h (__terminate_func_ptr): New typedef.
2710 (__terminate_set_func): New function.
2712 2001-01-23 Richard Henderson <rth@redhat.com>
2714 * flow.c (init_propagate_block_info): Don't consider unchanging
2715 memories for dead frame store elimination.
2717 2001-01-23 Richard Henderson <rth@redhat.com>
2719 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2720 * defaults.h: ... here.
2722 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2724 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2726 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2728 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2730 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2732 * rs6000.h (rs6000_return_addr): Move prototype from here...
2733 * rs6000-protos.h (rs6000_return_addr): ...to here.
2734 (rs6000_init_expanders): Delete prototype.
2736 2001-01-23 Nick Clifton <nickc@redhat.com>
2738 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2739 (Spec Files): Document %B and %j and %. and %v3 and %M and
2740 %{S*&T} spec switches.
2742 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2744 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2746 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2747 Neil Booth <neil@daikokuya.demon.co.uk>
2749 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2750 Have -Werror make pedantic warnings errors, like the
2753 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2755 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2757 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2759 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2760 * integrate.c (expand_inline_function): Initialize them.
2761 (subst_constants): If changing COMPARE so that both its arguments
2762 will be VOIDmode and the comparison mode will be lost, note
2763 compare_mode. Use the recorded compare_mode to optimize
2766 2001-01-23 Jason Merrill <jason@redhat.com>
2768 * dwarf2out.c (new_die): Use xcalloc.
2769 (output_die): Abort rather than emit a local reference to offset 0.
2771 2001-01-17 Andrew Haley <aph@redhat.com>
2773 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2774 of a saved register; return NULL instead.
2775 (copy_reg): Take a pointer to a source register rather than a
2777 (next_stack_level): Remember the address in the stack frame of all
2779 Use the saved register pointer array as the source of the CFA.
2780 (throw_helper): Rewrite. Unwind once rather than twice and keep
2781 track of saved registers as we go.
2783 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2785 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2786 * c4x.c (c4x_legitimize_reload_address): Remove.
2787 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2788 reload address for ldp(k) insn.
2790 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2792 * pa.md (return_internal): Add a USE of the PIC register to ensure
2793 it is restored after each call.
2794 (return expander): Corresponding changes.
2796 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2798 * rs6000.h (INIT_EXPANDERS): Delete.
2799 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2800 * rs6000.c (rs6000_override_options): Call *_machine_status from
2802 (rs6000_init_expanders): ...instead of here. Delete.
2803 (rs6000_mark_machine_status): New function.
2804 (rs6000_init_machine_status): Use xcalloc.
2805 (rs6000_return_addr): Generate RTX for the return address.
2806 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2807 (rs6000_stack_info): Use it.
2809 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2811 * gthr-win32.h: Include errno.h to get a declaration for
2812 EINVAL and _mingw.h if the target is mingw32.
2814 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2816 * cpp.texi: Correct typos.
2818 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2820 * explow.c (probe_stack_range): Ensure value passed to
2821 stack_check_libfunc is ptr_mode, not Pmode.
2823 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2825 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2826 case, don't use operand_subword to calculate a SUBREG that is
2829 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2831 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2833 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2834 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2835 valid. If not replace it by equivalent insns.
2837 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2839 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2840 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2841 (c4x_U_constraint, symbolic_address_operand): Likewise.
2842 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2844 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2845 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2846 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2847 anulling slot because of silicon bug.
2848 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2850 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2852 * cppexp.c (parse_charconst): Change `mask' type to agree
2855 2001-01-21 Richard Henderson <rth@redhat.com>
2857 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2858 pic_label_name in a linkonce section.
2860 2001-01-17 Philipp Thomas <pthomas@suse.de>
2862 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2864 * configure: Regenerate.
2866 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2868 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2869 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2871 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2873 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2874 If REVERSE nonzero then condition code in X must be reversed.
2875 (encode_section_info): Optimise if/else.
2876 (avr_function_value): Fix formatting.
2878 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2879 (difficult_branch): Likewise.
2880 (rvbranch): Likewise.
2881 (difficult_rvbranch): Likewise.
2883 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2885 * config/avr/libgcc.S: Fix comment.
2887 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2889 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2891 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2893 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2895 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2897 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2898 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2899 * configure, config.in: Regenerate.
2900 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2901 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2902 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2903 (doprint.o): New rule.
2905 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2907 * c-typeck.c (digest_init): Handle boolean types as scalars.
2909 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2911 * stmt.c (expand_return): Don't return anything if size is zero.
2912 Delete redundant assignment to BYTES.
2913 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2915 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2917 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2918 the same as the default library function names.
2919 * config/avr/avr.md: Document special characters after '%'.
2920 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2921 knowing which of the call-used registers are really clobbered.
2922 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2923 New. Both quotient and remainder from one libgcc.S call.
2924 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2925 clobber as few registers as possible.
2926 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2928 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2930 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2931 context of the top of the stack.
2933 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2935 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2936 (fixup_var_refs_insns): ...here.
2938 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2940 * function.c (fixup_var_refs_insns): Break up into
2941 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2942 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2943 [loop over hash table entries].
2944 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2945 fixup_var_refs_insns_with_hash, to match above changes.
2947 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2949 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2950 (libgcc.a): Likewise.
2951 (stmp-multilib): Likewise.
2952 (STAGE2_FLAGS_TO_PASS): Likewise.
2954 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2956 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2957 temporary if no_new_pseudos.
2959 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2961 * cppinternals.texi: Update.
2963 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2965 * arm.c (arm_init_builtins): Re-enable builtins.
2967 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2969 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2970 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2971 element to be null, and always expect an EXPR_LIST.
2972 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2973 * sched-deps.c (sched_analyze_1): Likewise.
2974 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2976 * regclass.c (max_set_parallel): New variable.
2977 (reg_scan): Take it into account in computation of max_parallel.
2978 (reg_scan_mark_refs, case SET): Compute it.
2980 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2982 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2983 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2985 2001-01-19 Jason Merrill <jason@redhat.com>
2987 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2988 for the abstract instance of an inline function.
2990 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2991 J"orn Rennecke <amylaar@redhat.com>
2993 * reload1.c (move2add_note_store): Treat all registers directly or
2994 indirectly derived from a base register as members of the same set
2996 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2997 of base register into account.
2999 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3001 * alias.c (find_base_value): Recognize TRUNCATE.
3002 (record_set): In PLUS case, invalidate if other summand is also a
3005 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3007 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3008 entry to be EXPR_LIST.
3009 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3010 be an EXPR_LIST (but not null, which other code doesn't allow).
3011 (note_stores): Properly handle PARALLEL in SET.
3012 Recursively call for top-level PARALLEL.
3013 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3014 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3016 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3018 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3020 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3021 not pfile->skipping (== 0).
3023 2001-01-17 Nick Clifton <nickc@redhat.com>
3025 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3028 2001-01-17 Jim Wilson <wilson@redhat.com>
3030 * invoke.texi (IA-64 options): Improve.
3032 2001-01-17 Tom Tromey <tromey@redhat.com>
3034 * invoke.texi (Optimize Options): Use `{}' to around @samp
3037 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3039 * invoke.texi (-fno-guess-branch-probability): New option.
3041 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3043 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3044 case of making new double-word constant.
3045 Revert last change: instead just test i3_subst_into_i2.
3047 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3049 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3050 Use q constraints instead of r.
3052 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3054 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3055 (machine_function): Define.
3056 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3057 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3058 pa_free_machine_status): New functions.
3059 (override_options): Set {init,mark,free}_machine_status to above.
3060 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3061 PIC_OFFSET_TABLE_REGNUM_SAVED.
3062 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3063 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3064 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3065 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3066 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3068 2001-01-15 DJ Delorie <dj@redhat.com>
3070 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3074 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3076 * flow.c (propagate_on_insn): Make trying to delete a prologue
3077 or epilogue insn an ICE, not a warning. Allow doing this if
3078 the current function returns with stack pointer depressed.
3080 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3081 I3 having more than one SET.
3083 2001-01-16 Jim Wilson <wilson@redhat.com>
3085 * invoke.texi: Document IA-64 options.
3087 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3088 (fixup_errata): Delete TARGET_A_STEP use.
3089 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3090 (TARGET_SWITCHES): Delete -ma-step option.
3091 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3092 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3093 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3094 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3095 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3096 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3098 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3099 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3100 cmovsi_internal): Delete ! TARGET_A_STEP check.
3102 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3104 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3105 possibility to report bugs via postal mail. Change a URL and
3106 merge in a nearly duplicate statement...
3107 (Bug Reporting): ...from here.
3108 (Service): Refer to the Bug Reporting section instead of
3110 (Contributing): Remove trivial explanations concerning snapshots.
3112 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3114 * cppmain.c (general_init): Don't use ANSI prototype.
3116 2001-01-16 Tom Tromey <tromey@redhat.com>
3118 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3120 2001-01-16 Richard Henderson <rth@redhat.com>
3122 * config/i386/i386.h: Fix comment typo.
3123 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3124 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3126 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3128 * gcc.c: Revert previous -fsyntax-only-related change; move
3131 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3133 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3134 inmode after checking GET_CODE (op).
3136 2001-01-16 Richard Henderson <rth@redhat.com>
3138 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3139 (MAX_MEM_SET_LIST_LEN): New.
3140 (propagate_one_insn): Update mem_set_list_len.
3141 (invalidate_mems_from_autoinc): Likewise.
3142 (invalidate_mems_from_set): Likewise.
3143 (mark_used_regs): Likewise.
3144 (init_propagate_block_info): Likewise. Stop collecting memories
3145 when we reach MAX_MEM_SET_LIST_LEN.
3146 (mark_set_1): Likewise.
3148 2001-01-16 Richard Henderson <rth@redhat.com>
3150 * unroll.c (precondition_loop_p): Fail if no iteration
3153 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3155 * gcc.c: When -fsyntax-only is given, do not complain about
3158 2001-01-15 Richard Henderson <rth@redhat.com>
3160 * config/i386/i386.c (asm_output_function_prefix): Remove.
3161 (ix86_asm_file_end): New.
3162 (load_pic_register): Generate pic_label_name into a
3163 staticly allocated buffer.
3164 * config/i386/i386-protos.h: Update.
3165 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3166 (ASM_FILE_END): New.
3167 * config/i386/i386afe.h: New file.
3168 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3169 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3170 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3171 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3172 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3173 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3174 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3176 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3178 * Makefile.in (install-man): Remove explicit dependency on
3181 * configure.in, configure: Revert previous patch requiring perl
3184 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3186 * toplev.c (flag_guess_branch_prob): New.
3187 (f_options): Add guess-branch-probability option.
3188 (rest_of_decl_compilation): Only estimate branch probability if
3190 (main): set flag_guess_branch_prob.
3192 * flags.h (flag_guess_branch_prob): New.
3194 2001-01-15 DJ Delorie <dj@redhat.com>
3196 * gcc.texi (Makefile): Add documentation for Makefile targets.
3198 2001-01-15 Philip Blundell <philb@gnu.org>
3200 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3202 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3203 (is_pic): Delete declaration.
3204 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3205 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3206 * config/arm/arm.md (builtin_setjmp_receiver): New.
3208 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3210 * arm.c (use_return_insn): Don't try to determine the function type
3211 until after reload has completed.
3212 (arm_output_epilogue): Don't adjust the sp value recovered from the
3214 (emit_multi_reg_push): Don't record dwarf information for the pc.
3215 * arm.md (eh_epilogue): The function type may have changed, so it
3216 needs to be recalculated.
3217 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3218 unwind tables on arm/netbsd.
3220 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3222 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3223 (negated_cbranchsi4): Likewise.
3225 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3227 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3228 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3229 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3230 pass -mapcs-* options to assembler.
3231 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3232 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3233 (ASM_SPEC): Call subtarget_extra_asm_spec.
3235 2001-01-15 Andreas Jaeger <aj@suse.de>
3237 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3239 (ix86_expand_builtin): Likewise.
3241 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3242 warning about comparison between signed and unsigned.
3244 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3246 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3248 2001-01-14 Ralf Baechle <ralf@gnu.org>
3250 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3251 SUBTARGET_CPP_SPEC apropriatly.
3253 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3255 * varasm.c (make_decl_rtl): Fix typo in last change.
3257 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3259 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3260 linker supports the init_priority C++ attribute.
3261 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3262 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3263 linker does not support init_priority C++ attribute.
3265 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3267 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3269 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3271 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3272 * cp/lex.c (finish_parse): Similarly.
3273 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3274 Return the number of errors encountered.
3275 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3276 * cppmain.c (main): Don't call cpp_destroy.
3278 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3280 * configure.in: Require at least perl 5.6.0 to regenerate
3282 * configure: Regenerate.
3284 2001-01-14 Richard Henderson <rth@redhat.com>
3286 * genrecog.c (DT_veclen_ge): New.
3287 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3288 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3289 (nodes_identical_1): Handle DT_veclen_ge.
3290 (write_cond, debug_decision_2): Likewise.
3292 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3294 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3296 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3298 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3300 * cppmain.c (do_preprocessing): New function; most of the old
3302 (main): Call it to do most of the work.
3303 (cb): Move from global scope to set_callbacks ().
3304 (setup_callbacks): Get the callback pointer.
3305 (general_init, printer_init): Clean up code and comments.
3307 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3309 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3312 2001-01-14 Kazu Hirata <kazu@hxi.com>
3314 * config/h8300/h8300.c (get_shift_alg): Update comments.
3316 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3318 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3319 (alloc_page, ggc_alloc): Add casts to remove warnings.
3321 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3323 * combine.c (simplify_comparison): Don't change `code' when
3324 can't reverse comparison.
3326 2001-01-14 Richard Henderson <rth@redhat.com>
3328 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3329 update all call sites. Return true for all non-label constants.
3331 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3333 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3335 (ix86_expand_branch): Update.
3336 (ix86_expand_setcc): Update to handle multiple test conditions.
3337 (expand_int_movcc): Likewise.
3338 (expand_fp_movcc): Likewise.
3339 * i386-protos.h (ix86_expand_compare): New.
3340 * i386.md (andqi_?_slp, orqi_?_slp): New.
3341 (conditional trap expander): Update call to ix86_expand_compare.
3343 2001-01-14 Richard Henderson <rth@redhat.com>
3345 * config/vax/vax.md: Use nonimmediate_operand instead of
3346 general_operand in destinations.
3348 * config/vax/vax.md (indirect_jump): Use register_operand.
3350 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3351 * config/vax/vax.md (call_pop): Turn into an expander.
3352 (call_value_pop): Likewise.
3353 (call, call_value): New.
3355 2001-01-14 Andreas Jaeger <aj@suse.de>
3357 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3359 (ix86_fp_compare_mode): Add unused attribute.
3360 (ix86_expand_fp_movcc): Remove unused variable.
3361 (ix86_expand_builtin): Make fcode unsigned.
3363 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3364 (expand_expr): Add cast to avoid signed warning.
3365 (store_field): Likewise.
3366 (store_constructor_field): Likewise.
3367 (store_constructor): Likewise.
3368 (store_expr): Likewise.
3369 (clear_storage): Likewise.
3370 (emit_group_store): Likewise.
3371 (emit_group_load): Likewise.
3373 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3375 * c-common.c: Move format checking code to ...
3376 * c-format.c: ... here. New file. Reorder some functions and
3378 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3380 * c-common.h (decl_handle_format_attribute,
3381 decl_handle_format_arg_attribute): Declare.
3382 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3383 (c-common.o): Adjust dependencies.
3384 (c-format.o): New list of dependencies.
3386 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3388 * unroll.c (loop_iterations): If we cannot prove iteration variable
3389 is set once in each iteration, punt.
3391 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3393 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3394 (*strlenhi): Remove clobber (which was buggy) of output address.
3396 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3398 * Makefile.in (generated-manpages): Add gcc.1
3399 ($(srcdir)/gcc.1): New target.
3400 (maintainer-clean): Delete $(srcdir)/gcc.1.
3401 * gcc.texi: Add macros @gccoptlist and @gol.
3402 * invoke.texi: Include option summary in manpage. Mark up option
3403 summary with @gccoptlist and @gol. Use @r in one place where
3405 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3406 * gcc.1: Generate from invoke.texi.
3408 2001-01-13 Richard Henderson <rth@redhat.com>
3410 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3411 (struct page_entry): Add group member.
3412 (struct page_group): New.
3413 (struct globals): Add page_groups member.
3414 (alloc_anon): Only define for using mmap; remove valloc call.
3415 (page_group_index): New.
3416 (set_page_group_in_use): New.
3417 (clear_page_group_in_use): New.
3418 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3419 (free_page, release_pages): Likewise.
3420 * configure.in (with-gc): Default to ggc-page always.
3422 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3424 * reload1.c (replace_pseudos_in_call_usage): Use
3425 reg_equiv_constant and reg_equiv_address, and don't try
3426 regno_reg_rtx first.
3428 2001-01-13 Richard Henderson <rth@redhat.com>
3430 * ggc-page.c (alloc_page): Round up allocation size to one page.
3431 Set e->order on extra pages.
3433 2001-01-13 Richard Henderson <rth@redhat.com>
3435 * genrecog.c (nodes_identical): Expand commentary.
3436 (write_switch): Watch out for identical nodes.
3438 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3440 * cppfiles.c (_cpp_fake_include): New function.
3441 * cpphash.h (_cpp_fake_include): New.
3442 * cpplib.c (do_line): Call _cpp_fake_include when entering
3443 header files in preprocessed input.
3444 * cppmain.c (cb_pragma_implementation): Remove handling.
3445 (setup_callbacks): Don't register pragmas.
3447 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3449 * extend.texi: Udate for CPP.
3451 2001-01-13 Andreas Jaeger <aj@suse.de>
3453 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3455 * regmove.c: Add prototype for replace_in_call_usage.
3457 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3459 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3460 struct cpp_chunk, struct htab, struct toklist,
3461 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3462 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3463 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3464 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3465 (struct macro_args): Delete.
3466 * cpphash.h: See above.
3468 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3470 * cppmain.c (struct printer): Remove no_line_dirs.
3472 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3473 : Use options rather than CPP_OPTION.
3474 (setup_callbacks): Use cb rather than pfile->cb.
3475 (main): No need to check for a buffer. Use cpp_errors.
3476 (printer_init): Don't set no_line_dirs.
3477 (maybe_print_line): Use options not no_line_dirs.
3478 (cb_file_change): Don't call print_line if -P.
3480 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3482 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3484 * c-parse.in (finish_parse): Use cpp_errors.
3485 (__yylex): Use return value of cpp_pop_buffer.
3486 * cp/lex.c (finish_parse): Use cpp_errors.
3487 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3489 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3491 * README.AVR: URLs corrected.
3493 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3495 * c-decl.c (start_function): Don't warn if old prototype is builtin
3496 that's not in C's namespace.
3497 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3498 (_bb): Add prototype for ctime.
3499 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3501 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3503 * i386.c (ix86_fp_comparison_arithmetics_cost,
3504 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3505 ix86_fp_comparison_cost): New functions.
3506 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3507 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3508 two-branch sequences; make static.
3509 (ix86_use_fcomi_compare): Do decision according to the costs.
3510 (split_fp_branch): New.
3511 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3512 * i386-protos.h (ix86_expand_fp_compare): Remove
3513 (ix86_split_fp_branch): Declare.
3515 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3516 and ix86_comparison_operator.
3518 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3521 * i386.c (put_condition_code): Output properly the unordered/ordered
3522 compares in fp case.
3523 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3525 * tm.texi (REVERSE_CONDITION): Document.
3526 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3527 in -ffast-math mode.
3528 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3530 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3532 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3534 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3537 * config/sh/sh.c (mova_p): Fix test for mova_const.
3539 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3541 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3542 cpp_get_options rather than dereferencing pfile and using
3544 * scan-decls.c (scan_decls): Use return value of
3545 cpp_pop_buffer rather than CPP_BUFFER.
3547 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3549 * cppinit.c (cpp_handle_option): help_only is now part of the
3550 cpp_options structure.
3551 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3552 cpp_set_callbacks): New functions.
3553 * cpplib.h (cpp_callbacks): Break out as a named structure.
3554 (cpp_options): Move help_only here from cpp_reader.
3555 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3556 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3557 cpp_set_callbacks): New prototypes.
3558 * cppmain.c (main): Update for help_only.
3560 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3562 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3563 Also build and remove and install and uninstall c-tree.info and
3565 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3566 ($(srcdir)/cppinternals.info): New target.
3567 * c-tree.texi: Change file name used when makeinfo used without -o
3568 from ir.info to c-tree.info. Add info directory entry.
3569 * cppinternals.texi: Add info directory entry.
3570 * .cvsignore: Update.
3572 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3574 * c-typeck.c (store_init_value): Don't require constant initializer
3575 elements with -pedantic -std=c99.
3576 (digest_init): Change error about non-constant initializer elements
3578 (constructor_range_end): Remove.
3579 (constructor_incremental, designator_depth,
3580 designator_errorneous): New variables.
3581 (struct constructor_stack): Remove range_end, add incremental.
3582 (struct constructor_range_stack, constructor_range_stack): New.
3583 (struct initializer_stack): Add constructor_range_stack.
3584 (finish_init): Set it.
3585 (start_init): Likewise. require_constant_elements for non-static
3586 trees only if not flag_isoc99.
3587 (really_start_incremental_init): Remove constructor_range_end, add
3588 constructor_incremental.
3589 (pop_init_level): Likewise.
3590 (push_init_level): Likewise. If implicit and the subobject had some
3591 value set already, preinitialize the level with it.
3592 Warn about missing braces only if not pushing due to designators.
3593 (set_designator, push_range_stack): New functions.
3594 (set_init_label): Use them.
3595 (set_init_index): Likewise. Remove constructor_range_end.
3596 Error if designator index is outside of array bounds.
3597 (add_pending_init): Compare values of purpose index trees, not the
3598 trees themselves. Allow overwriting of already initialized element.
3599 Issue a warning if it had side-effects.
3600 (set_nonincremental_init, set_nonincremental_init_from_string): New
3602 (pending_init_member): Rename to...
3603 (find_init_member): ...this function. Call set_nonincremental_init
3604 if necessary. Compare values of purpose index trees, not the trees
3605 themselves. Return the actual value, not just non-zero if something
3607 (output_init_element): Remove checks for duplicates.
3608 If field has zero size, only check the initializer for correctness.
3609 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3610 if constructor_incremental is zero. Change error about initializers
3611 not computable at load time into pedwarn.
3612 (output_pending_init_elements): Compare bit positions, not
3613 FIELD_DECLs to take into account zero-sized fields.
3614 (process_init_element): Use constructor_range_stack to fill all
3615 ranges in the designator lists from current level up.
3616 * extend.texi: Update documentation for labeled elements.
3618 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3620 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3621 to function usage for arguments passed by reference. Optimize
3622 callee-copied arguments.
3623 * regmove.c (replace_in_call_usage): New function.
3624 (fixup_match_1): Call it.
3625 * cse.c (cse_insn): Canonicalize registers in function usage.
3626 * reload1.c (replace_pseudos_in_call_usage): New function.
3629 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3632 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3634 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3637 2001-01-12 DJ Delorie <dj@redhat.com>
3639 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3640 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3643 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3645 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3646 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3647 -std options alongside references to -ansi. Update some
3648 documentation for C99.
3649 * cpp.1: Regenerate.
3651 2001-01-12 Andreas Jaeger <aj@suse.de>
3653 * haifa-sched.c (restore_line_notes): Remove argument block B
3655 * sched-ebb.c (schedule_ebb): Change caller.
3656 * sched-rgn.c (schedule_region): Likewise.
3657 * sched-int.h (restore_line_notes): Adjust prototype.
3659 * loop.h: Remove wrong declaration of doloop_condition_get.
3661 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3663 * extend.texi: Move C++-extension-related node from the C section
3664 into the C++ section.
3666 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3668 * extend.texi: Refer to an array of pointers to functions instead
3669 of one of functions.
3671 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3672 Jan Hubicka <jh@suse.cz>
3674 * combine.c (reversed_comparison): Fix typo in last patch.
3676 (combine_reversed_comparison_code): Make static to follow
3677 prototype declaration.
3679 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3681 * install.texi: Remove misplaced duplicate entry.
3683 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3685 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3687 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3689 * final.c: (leaf_function_p): Fix typo.
3691 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3693 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3694 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3696 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3697 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3698 mmap_anon, and valloc is available.
3699 * ggc-page.c: Restructure ifdef logic to match new autoconf
3700 spec. Don't throw away the test page in init_ggc.
3702 * configure, config.in: Regenerate.
3704 2001-01-12 Michael Hayes <mhayes@redhat.com>
3706 * loop.h (total_biv_increment): Constify iv_class pointer.
3707 (struct induction): Replace `mem_mode' with `mem' rtx.
3708 * unroll.c (total_biv_increment): Constify iv_class pointer.
3709 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3710 (find_mem_givs, combine_givs_p): Likewise.
3711 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3713 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3715 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3717 (__gthread_getspecific): Ditto.
3719 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3721 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3722 put_condition_code): Convert fp comparison codes to integer
3724 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3727 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3728 * i386-protos.h (no_comparison_operator): Kill.
3730 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3732 * combine.c (REVERSIBLE_CC_MODE): Remove.
3733 (reversible_comparison_p): Remove.
3734 (combine_reversed_comparison_code): New.
3735 (reversed_comparison): New.
3736 (combine_simplify_rtx): Use
3737 combine_reversed_comparison_code/reversed_comparison instead
3738 of reversible_comparison_p.
3739 (simplify_if_then_else): Likewise.
3740 (simplify_set): Likewise.
3741 (simplify_logical): Likewise.
3742 (if_then_else_cond): Likewise.
3743 (known_cond): Likewise.
3744 (simplify_comparison): Likewise.
3746 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3748 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3749 sizeof (int) is larger than sizeof(__word__).
3751 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3753 * cppinit.c (do_includes): Fix typo.
3755 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3757 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3758 in S_REGS does not occur because not all sources are possible
3759 when a S_REGS is a destination (sometimes needs a clobber).
3760 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3761 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3762 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3763 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3764 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3765 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3766 (lshrdi_const1, lshrsi3_const16): Likewise.
3767 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3768 (*movhi_68hc12, *movqi_68hc12): Likewise.
3769 (movstrictqi): Make sure reloading in D_REGS as a destination
3772 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3774 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3776 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3778 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3779 -D, -U and -A, and don't initialize the builtins.
3780 (do_includes): Error if -include or -imacros with -fpreprocessed.
3781 * cppmain.c (cb_define, cb_undef): Unconditionally process
3783 * tradcpp.c (main): Fix typo.
3785 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3787 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3788 (read_name_map): Use IS_ABSOLUTE_PATH.
3789 * tradcpp.c (get_filename): Likewise.
3791 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3793 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3794 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3795 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3796 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3797 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3798 (cmphi_z_used): Don't use '@' for the output.
3799 (tstqi_z_used): Likewise.
3800 (cmpqi_z_used): Likewise.
3801 (one_cmplsi2): Likewise.
3803 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3805 * config/sh/sh.c (barrier_align): Recognize branch around far
3806 branch and redundant insn.
3808 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3810 * invoke.texi: Restore documentation of the drivers' switches -MD
3813 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3815 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3817 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3818 check-objc//%): Support parallel testing of multilibs.
3819 (TESTSUITEDIR): Set to testsuite by default, but override for
3821 (check-gcc, check-g++, check-g77, check-objc): Enter
3824 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3826 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3827 * sched-deps.c (deps_may_trap_p): Likewise.
3828 * basic-block.h: Remove a comment.
3829 * flow.c (PROP_POSTRELOAD): Remove.
3830 (update_life_info): Don't add it to prop_flags.
3831 (mark_set_1): Lose the code that was enabled by it.
3833 2001-01-11 Michael Hayes <mhayes@redhat.com>
3835 * flow.c (flow_call_edges_add): New.
3836 * basic_block.h (flow_call_edges_add): New.
3838 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3840 * reload1.c (move2add_note_store): Update reg_set_luid even if
3841 base reg remains the same.
3843 2001-01-10 Nick Clifton <nickc@redhat.com>
3845 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3846 machine_function structure to zero.
3847 Add prototypes for machine_status functions.
3849 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3851 * c-common.h (CTI_VOID_LIST): Remove.
3852 (void_list_node): Likewise.
3853 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3854 (void_list_node): New macro.
3855 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3856 * config/i386/i386.c (ix86_init_builtins): Likewise.
3857 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3859 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3861 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3862 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3864 * tradcpp.c: Include mkdeps.h.
3865 (deps, print_deps_phony_targets, deps_append, output_deps,
3866 init_dependency_output, output_deps): New.
3867 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3868 deps_output): Delete.
3869 (print_deps_missing_files): Rename deps_missing_files.
3870 (inhibit_output): Make global.
3871 (main): Delete inhibit_output, deps_stream, deps_target.
3872 Use mkdeps functionality in the same way as cpplib. Remove
3873 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3874 -M and -MM. Remove old handling of deps via deps_out, and
3875 old reading of environment variables.
3876 (get_filename): Update to use deps_add_dep.
3878 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3880 * output.h (make_function_rtl): Remove prototype.
3881 (make_decl_rtl): Likewise.
3882 * varasm.c (make_function_rtl): Remove.
3883 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3884 than from a third parameter.
3885 * tree.h (make_decl_rtl): Remove last parameter.
3886 * c-decl.c (builtin_function): Remove last argument in call to
3887 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3888 (start_function): Likewise.
3889 * except.c (call_get_eh_context): Likewise.
3890 * expr.c (emit_block_move): Likewise.
3891 (clear_storage): Likewise.
3892 * profile.c (output_func_start_profiler): Likewise.
3893 * toplev.c (rest_of_decl_compilation): Likewise.
3894 * objc/objc-act.c (create_builtin_decl): Likewise.
3895 (synth_module_prologue): Likewise.
3896 (generate_static_reference): Likewise.
3897 (build_selector_reference_decl): Likewise.
3898 (build_class_reference_decl): Likewise.
3899 (build_objc_string_decl): Likewise.
3900 (build_protocol_reference): Likewise.
3902 2001-01-10 Richard Henderson <rth@redhat.com>
3904 * hwint.h: Revert yesterday's change.
3906 2001-01-10 Nick Clifton <nickc@redhat.com>
3908 * function.h (save_machine_status): Delete.
3909 (restore_machine_status): Delete.
3910 Amend comment describing {init|mark|free}_machine_status.
3912 * function.c (save_machine_status): Delete.
3913 (restore_machine_status): Delete.
3914 Amend comment describing {init|mark|free}_machine_status.
3915 (push_function_context_to): Remove invocation of
3916 save_machine_status.
3917 (pop_function_context_from): Remove invocation of
3918 restore_machine_status.
3920 * emit-rtl.c (init_emit_once): Amend comment describing
3921 {init|mark|free}_machine_status.
3923 * tm.texi (Per-Function Data): New node. Describe the
3924 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3927 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3929 * cppinit.c (OPT_g): Remove.
3930 (cpp_handle_option): Update for removed -g3.
3931 (print_help): Update.
3932 * cpplib.h (struct cpp_options): Remove debug_output.
3933 * cppmain.c (setup_callbacks, cb_define): Update.
3934 * gcc.c (cpp_options): Translate -g3 to -dD.
3936 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3938 * config/i960/i960.md: Change modifier to + on the zero_extract
3939 pattern after the (rotate -2 reg) canonicalization pattern.
3941 2001-01-10 Richard Henderson <rth@redhat.com>
3943 * config/alpha/alpha.c (alpha_free_machine_status): New.
3944 (override_options): Install it.
3945 (alpha_mark_machine_status): Verify machine non-null.
3946 * config/i386/i386.c (ix86_free_machine_status): New.
3947 (override_options): Install it.
3948 (ix86_init_machine_status): Use xcalloc.
3949 (ix86_mark_machine_status): Verify machine non-null.
3950 * config/ia64/ia64.c (ia64_free_machine_status): New.
3951 (ia64_override_options): Install it.
3952 (ia64_mark_machine_status): Verify machine non-null.
3954 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3956 * function.c (instantiate_virtual_regs): Instantiate virtual
3957 registers found in CALL_INSN_FUNCTION_USAGE.
3959 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3961 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3962 equivalent to -ansi in disabling -Di386.
3964 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3966 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3968 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3970 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3972 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3974 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3976 * invoke.texi: Document that -fcond-mismatch isn't supported for
3979 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3981 * gcc.texi: Define macro gcctabopt.
3982 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3983 @command, @env and @option in some places where appropriate. Use
3984 @gcctabopt where appropriate. Put URLs and email addresses inside
3987 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3989 * gcc.c (cpp_options): Set MD file name from output
3990 filename, if specified.
3991 (suffix_subst): New static variable.
3992 (do_spec): Clear it.
3993 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3995 (give_switch): Handle suffix_subst.
3997 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3999 * invoke.texi: Fix another typo.
4001 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4003 * invoke.texi: Fix typo.
4005 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4007 * c-lang.c (lang_hooks): Update.
4008 (lang_decode_option): Remove.
4009 (lang_init_options): Rename c_init_options.
4010 * toplev.c (main): Use lang_hooks for lang_init_options
4011 and lang_decode_option.
4012 * toplev.h (lang_hooks): Add 2 new hooks.
4013 * tree.h: Remove lang_init_options and lang_decode_option.
4014 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4015 * cp/decl2.c: Similarly.
4016 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4017 (lang_hooks): Update.
4018 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4020 (lang_init_options): Rename ffe_init_options.
4021 (lang_hooks): Update.
4022 (lang_decode_option): Remove.
4023 * java/lang.c (lang_init_options): Rename java_init_options.
4024 (lang_decode_option): Rename java_decode_option.
4025 (lang_hooks): Update.
4026 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4027 (lang_decode_option): Rename objc_decode_option.
4028 (lang_hooks): Update.
4030 2001-01-09 Nick Clifton <nickc@redhat.com>
4032 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4033 (d30v_return_addr_rtx): Delete.
4034 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4035 cfun->machine structure.
4036 (struct machine_function): Move to d30v.h
4037 (d30v_save_machine_status): Delete.
4038 (d30v_restore_machine_status): Delete.
4039 (d30v_init_machine_status): New Function.
4040 (d30v_mark_machine_status): New Function.
4041 (d30v_free_machine_status): New Function.
4042 (d30v_init_expanders): Use new functions.
4043 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4044 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4045 d30v_return_addr_rtx.
4047 * config/d30v/d30v.h (struct_machine): Move here.
4048 Add eh_epilogue_sp_ofs field.
4050 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4051 field in cfun->machine structure.
4053 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4055 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4056 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4057 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4059 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4061 * objc/lang-options.h: Remove bogus reference to
4064 2001-01-09 Kazu Hirata <kazu@hxi.com>
4066 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4069 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4071 * reload.c (find_reloads_address): Check for eliminable registers
4072 when substituting a constant expression for a pseudo.
4074 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4076 * c-common.c (enum format_type): Add format_type_error.
4077 (decode_format_type): New function.
4078 (decl_attributes): Use it.
4079 (format_kind_info): Adjust comment.
4081 2001-01-09 David O'Brien <obrien@BSDi.com>
4083 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4084 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4086 * config/i386/gnu.h: Don't include required platform specific .h files,
4087 tm.h will do it instead.
4088 * config/i386/i386elf.h: Likewise.
4089 * config/i386/linux.h: Likewise.
4090 * config/i386/moss.h: Likewise.
4091 * config/mips/gnu.h: Likewise.
4093 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4095 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4096 (rs6000-ibm-aix3.[01]*): Likewise.
4097 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4098 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4099 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4100 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4101 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4102 (powerpc-*-eabiaix*): Likewise.
4103 (powerpc-*-eabisim*): Likewise.
4104 (powerpc-*-elf*): Likewise.
4105 (powerpc-*-eabi*): Likewise.
4106 (powerpc-*-rtems*): Likewise.
4107 (powerpc-*-linux*libc1): Likewise.
4108 (powerpc-*-linux*): Likewise.
4109 (powerpc-wrs-vxworks*): Likewise.
4110 (powerpcle-wrs-vxworks*): Likewise.
4111 (powerpcle-*-sysv*): Likewise.
4112 (powerpcle-*-elf*): Likewise.
4113 (powerpcle-*-eabisim*): Likewise.
4114 (powerpcle-*-eabi*): Likewise.
4115 (powerpcle-*-solaris2*): Likewise.
4116 * config/rs6000/aix31.h: Delete includes.
4117 * config/rs6000/aix3newas.h: Likewise.
4118 * config/rs6000/aix41.h: Likewise.
4119 * config/rs6000/aix43.h: Likewise.
4120 * config/rs6000/beos.h: Likewise.
4121 * config/rs6000/rtems.h: Likewise.
4122 * config/rs6000/sysv4.h: Likewise.
4124 2001-01-09 Kazu Hirata <kazu@hxi.com>
4126 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4127 Change an argument mode of machine_mode to shift_mode of
4128 shift_mode. Remove an extra error check.
4129 (emit_a_shift): Adopt to the new calling prototype of
4131 (function_prologue): Fix code for a monitor
4132 function. Support H8/S.
4133 (function_epilogue): Do not output pop for a monitor function.
4135 2001-01-09 Nick Clifton <nickc@redhat.com>
4137 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4138 (setup_incoming_varargs): Use sysv_varargs_p field of the
4139 cfun->machine structure.
4140 (struct machine_function): Move to rs6000.h
4141 (rs6000_save_machine_status): Delete.
4142 (rs6000_restore_machine_status): Delete.
4143 (rs6000_init_machine_status): New Function.
4144 (rs6000_free_machine_status): New Function.
4145 (rs6000_init_expanders): Use new functions.
4147 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4149 (struct machine_function): Move here.
4151 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4152 sysv_varargs_p field of the cfun->machine structure.
4154 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4156 (rs6000_restore_machine_status): Remove prototype.
4158 2001-01-09 Richard Henderson <rth@redhat.com>
4160 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4161 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4162 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4163 (sched_analyze_2, sched_analyze_insn): Likewise.
4164 (sched_analyze, init_deps): Likewise.
4165 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4166 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4167 (compute_block_backward_dependences): Update propagate_deps call.
4169 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4171 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4173 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4175 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4176 (cpp_handle_option): Handle them.
4177 (cpp_post_options): Ensure one of -M or -MM is specified with
4178 any other -M? option.
4179 (init_dependency_output): Suppress output with -MG.
4181 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4184 * invoke.texi: Update.
4186 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4188 * sh.md (reload_outsf): Generate recognizable patterns for
4191 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4193 * c-lang.c (lang_hooks): Update.
4194 (lang_init): Rename c_init.
4195 (lang_finish): Remove.
4196 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4198 * toplev.h (lang_hooks): Add init () and finish ().
4199 * tree.h (lang_init, lang_finish): Remove.
4200 * cp/tree.h (lang_init, lang_finish): Remove.
4201 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4202 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4204 (lang_init, lang_finish): Remove.
4205 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4206 (lang_hooks): Update.
4207 * java/lang.c (lang_init): Rename java_init.
4208 (lang_finish): Remove.
4209 (lang_hooks): Update.
4210 * objc/objc-act.c (lang_init): Rename objc_init.
4211 (lang_finish): Remove.
4212 (lang_hoooks): Update.
4214 20001-01-09 Graham Stott <grahams@redhat.com>
4216 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4217 after `ptr` is initialised.
4219 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4221 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4222 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4223 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4224 stack adjusts, instead of r3.
4226 2001-01-09 Michael Hayes <mhayes@redhat.com>
4228 * flow.c (flow_loop_scan): Break out of ...
4229 (flow_loops_find) ... here.
4230 * basic-block.h (flow_loop_scan): New.
4231 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4232 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4234 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4236 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4238 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4239 realloc()ing macro_buffer.
4241 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4242 if it's wider than long and the target's long is wider than the
4245 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4247 Remove support for using UWIN as a host machine.
4248 * configure.in: Issue an error message.
4249 * configure: Regenerated.
4250 * config.gcc: Remove xm_* UWIN configury.
4251 * config/i386/xm-uwin.h: Remove.
4253 2001-01-08 Nick Clifton <nickc@redhat.com>
4255 * config/v850/v850.c (ra_rtx): Delete.
4256 (v850_save_machine_status): Delete.
4257 (v850_restore_machine_status): Delete.
4258 (v850_init_machine_status): New function.
4259 (v850_mark_machine_status): New function.
4260 (v850_free_machine_status): New function.
4261 (v850_return_addr): Use ra_rtx field in machine structure.
4262 (v850_init_expanders): Use new functions.
4264 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4265 * config/v850/v850.c: Change arguments to v850_output+* functions
4266 to take a const char *, to avoid compile time warning.
4267 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4268 (USER_LABEL_PREFIX): Redefine.
4270 2000-01-08 Jim Wilson <wilson@redhat.com>
4272 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4273 1 to unsigned HOST_WIDE_INT before left shift.
4275 2001-01-08 Nick Clifton <nickc@redhat.com>
4277 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4278 the machine structure has been allocated.
4279 (arm_free_machine_status): New function: Free the machine
4280 specific function structure.
4282 2001-01-08 Richard Henderson <rth@redhat.com>
4284 * jump.c (simplejump_p): Revert last change.
4286 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4288 * cppinit.c (init): Rename init_library.
4289 (cpp_create_reader): Update.
4290 * gcc.c (cpp_options): If -o given, use it as the target of
4293 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4295 * arm.c (arm_arch5e): New variable.
4296 (all_cores): XScale is a 5TE device.
4297 (arm_override_options): Set arm_arch5e.
4298 (arm_init_builtins): __builtin_prefetch is in arch5e.
4299 * arm.h (arm_arch5e): Declare it.
4301 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4303 * arm.md (define_constants): Add defines for UNSPEC and
4304 UNSPEC_VOLATILE insns. Update all users.
4305 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4306 * arm.c (multi_register_push, note_invalid_constants)
4307 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4308 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4309 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4311 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4313 * jump.c (jump_optimize_1): Use reversed_comparison_code
4314 instead of can_reverse_comparison_p.
4315 (jump_back_p): Likewise.
4316 (invert_exp_1): Likewise.
4317 (thread_jumps): Likewise.
4318 * simplify-rtx.c (simplify_unary_operation): Likewise.
4319 (simplify_ternary_operation): Likewise.
4320 * cse.c (find_comparison_args): Convert to use
4321 can_reverse_comparison_p.
4322 (record_jump_equiv): Likewise.
4324 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4326 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4327 (EPILOGUE_USES): Define.
4328 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4329 automatically stack the LR if it isn't live.
4331 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4333 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4336 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4338 * ggc-page.c (max_alignment): New structure.
4339 (MAX_ALIGNMENT): New macro.
4340 (init_ggc): Use it to round up the sizes in the
4341 extra_order_size_table.
4343 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4345 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4348 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4350 * builtins.def (BUILT_IN_FPRINTF): New entry.
4352 * c-common.c (c_expand_builtin_fprintf): New function.
4353 (init_function_format_info): Handle __builtin_fprintf.
4354 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4355 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4357 * c-decl.c (duplicate_decls): Adjust comment.
4359 * extend.texi (fprintf): Document new builtin.
4361 2001-01-07 Richard Henderson <rth@redhat.com>
4363 * jump.c (simplejump_p): Recognize any single_set jump
4366 2001-01-07 Richard Henderson <rth@redhat.com>
4368 * configure.in (slibdir): Accept an --with-slibdir option.
4369 Use "test" not "[" in configure. Default to $(libdir).
4371 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4373 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4374 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4375 (SHLIB_LINK): Create links for the soname.
4376 * config/mips/t-iris6: Likewise.
4377 * config/sparc/t-slibgcc: Likewise.
4378 * config/sparc/t-slibgcc-sld: Likewise.
4380 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4382 * config/i386/i386.c (constant_call_address_operand): Accept
4383 (const (plus (symbol_ref) (const_int))).
4384 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4385 constant_call_address_operand.
4387 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4389 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4390 and LONG_LONG_TYPE_SIZE > 32.
4392 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4394 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4395 the previous change.
4397 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4399 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4401 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4402 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4403 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4406 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4408 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4410 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4412 * c-lang.c (c_post_options): Call cpp_post_options.
4413 * objc/objc-act.c (objc_post_options): Similarly.
4414 * cppmain.c (main): Similarly.
4415 * fix-header.c (read_scan_file): Similarly.
4416 * cppinit.c (cpp_start_read): Move option consistency checks
4417 to cpp_post_options. Don't call init_dependency_output.
4418 If needed, add default target and main file dependency.
4419 (OPT_MD, OPT_MMD): Remove.
4421 (cpp_handle_option): Update for OPT_* changes.
4422 (cpp_post_options): New.
4423 (init_dependency_output): Command line -MF overrides environment
4424 variables. Don't set default target etc. Suppress output
4425 if dependencies are going to stdout.
4426 (print_help): Update.
4427 * cpplib.h (cpp_post_options): New.
4428 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4430 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4432 * jump.c (comparison_dominates_p): Support unordered compares.
4434 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4436 * simplify-rtx.c (simplify_relational_operation): Always simplify
4437 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4440 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4442 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4443 (nonzero_bits): Likewise.
4444 (simplify_comparison): Likewise.
4445 (num_sign_bit_copies): Likewise; return more sane value depending
4446 on STORE_FLAG_VALUE.
4447 (known_cond): Do not assume EQ to be always true for equivalent
4450 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4452 * cse.c (fold_rtx): Handle unordered comparisons.
4454 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4456 * rtlanal.c (set_of_1): New static function.
4457 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4458 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4459 reg_set_last_last_regno): Remove.
4460 (set_of): New global function.
4461 (set_of_data): New structure.
4462 (reg_set_p, reg_set_last): Revamp for set_of.
4463 * rtl.h (set_of): New.
4465 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4467 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4468 * extend.texi: Document _Exit builtin.
4470 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4472 * (initialize, initialize_builtins,
4473 initialize_dependency_output, initialize_standard_includes):
4474 Rename s/initialize/init. Update.
4475 (init_dependency_output): Move to after
4476 cpp_handle_options, the correct location temporally at least.
4477 (opt_comp): Move next to init (), its caller. Fix prototype.
4478 (init): Make "initialized" local scope.
4479 (cpp_create_reader): Always call init ().
4480 (cpp_start_read): Update.
4481 (output_deps): New function, broken out of cpp_finish.
4482 (cpp_finish): Break out output_deps.
4484 2001-01-07 Richard Henderson <rth@redhat.com>
4486 * collect2.c (COFF specific stuff): Revert 12-06 patch
4487 to prototype system functions.
4489 2001-01-07 Michael Hayes <mhayes@redhat.com>
4491 * hard-reg-set.h: Add multiple include guard.
4492 * basic-block.h (struct loop): Add `sink' field.
4493 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4494 (emit_iv_add_mult): Delete.
4495 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4496 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4497 (unroll_loop): Remove end_insert_before argument.
4498 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4499 (maybe_eliminate_biv_1): Likewise.
4500 (emit_iv_add_mult): Delete.
4501 (gen_add_mult, loop_regs_update): New.
4502 (loop_insn_emit_after, loop_insn_emit_before): New.
4503 (loop_insn_sink, loop_insn_sink_or_swim): New.
4504 (emit_iv_add_mult): Delete.
4505 (scan_loop): Set loop->sink.
4506 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4507 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4508 (maybe_eliminate_biv_1): Likewise.
4509 (maybe_eliminate_biv_1): Add basic block argument.
4510 * unroll.c (unroll_loop): Remove end_insert_before argument.
4511 (find_splittable_regs): Likewise.
4512 (find_splittable_regs): Use loop_insn_sink and its ilk.
4513 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4515 2001-01-07 Michael Hayes <mhayes@redhat.com>
4517 * loop.h (loop_insn_hoist): New prototype.
4518 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4519 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4520 (check_dbra_loop, load_mems): Likewise.
4521 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4522 (find_splittable_givs): Likewise.
4524 2001-01-07 Michael Hayes <mhayes@redhat.com>
4526 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4528 2001-01-07 Richard Henderson <rth@redhat.com>
4530 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4532 2001-01-07 Richard Henderson <rth@redhat.com>
4534 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4535 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4536 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4537 variant that handles a shared libgcc.
4538 (process_command): Always validate -{static,shared}-libgcc.
4539 (do_spec_1): New 'M' case.
4540 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4542 2001-01-07 Richard Henderson <rth@redhat.com>
4544 * Makefile.in (slibdir): New variable.
4545 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4546 (installdirs): Create slibdir.
4547 (install-libgcc, install-multilib): Defer to libgcc.mk.
4548 * configure.in (slibdir): Substitute.
4549 * mklibgcc.in (install): New target.
4551 * config/t-linux (SHLIB_LINK): Create links for the soname.
4552 (SHLIB_INSTALL): New.
4553 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4554 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4555 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4556 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4557 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4559 2001-01-07 Richard Henderson <rth@redhat.com>
4561 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4562 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4563 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4565 2001-01-07 Michael Hayes <mhayes@redhat.com>
4567 * loop.c (count_loop_regs_set): Delete.
4568 (load_mems_and_recount_loop_regs_set): Delete.
4569 (loop_regs_scan): Merge common code from count_loop_regs_set,
4570 scan_loop, and load_mems_and_recount_loop_regs_set.
4571 (scan_loop): Call load_mems directly and loop_regs_scan
4572 again if new registers created.
4574 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4576 * toplev.c (main): Call the front-end specific post_options
4577 hook if one is given.
4578 * toplev.h (struct_lang_hooks, lang_hooks): New.
4579 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4580 for the C front end.
4581 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4582 lang_hooks for the C++ front end.
4583 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4584 lang_hooks for the ObjC front end.
4585 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4586 * java/lang.c (lang_hooks): Hooks for the Java front end.
4588 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4590 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4591 for verbose DWARF[2] debugging.
4592 (cb_define, cb_undef): The new callbacks.
4593 * toplev.h (debug_define, debug_undef): Make const correct.
4594 * toplev.c (debug_define, debug_undef): Similarly. Do not
4595 perform the verbosity tests here anymore.
4597 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4599 * reload.c (subst_reloads): Take INSN argument. When
4600 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4601 * reload.h (subst_reloads): Adjust prototype.
4602 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4603 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4604 present in JUMP_INSNs and copy them to JUMP_LABEL.
4605 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4606 JUMP_INSNs and insns with REG_LABELs that are followed by
4607 JUMP_INSNs with the same REG_LABEL.
4608 * sched-rgn.c (is_cfg_nonregular): Likewise.
4609 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4611 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4613 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4615 2001-01-06 Richard Henderson <rth@redhat.com>
4617 * loop.c (scan_loop): Use xcalloc for the regs array.
4618 (load_mems_and_recount_loop_regs_set): Zero the new memory
4619 received from xrealloc.
4621 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4623 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4625 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4627 * integrate.c (copy_rtx_and_substitute): When copying
4628 an ignored return value, strip REG_FUNCTION_VALUE_P.
4630 2001-01-06 Michael Hayes <mhayes@redhat.com>
4632 * loop.c (debug_biv, debug_giv): New.
4633 (loop_biv_dump): Break out from ...
4634 (record_biv): ... here.
4635 (loop_giv_dump): Break out from ...
4636 (record_giv): ... here.
4637 (loop_bivs_check): Use print_simple_rtl.
4638 * unroll.c (loop_iterations): Use print_simple_rtl.
4640 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4642 * pa.md (return, return_internal): Modify patterns to prevent regrename
4643 mucking with the return pointer.
4645 2001-01-05 Richard Henderson <rth@redhat.com>
4647 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4649 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4651 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4652 version supplied by Matteo Frigo.
4654 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4656 * cpp.texi: Update for -MQ.
4657 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4658 (cpp_cleanup): Always free pfile->deps.
4659 (initialize_dependency_output): Don't create pfile->deps.
4660 (cpp_handle_option): Similarly.
4662 * gcc.c (cpp_options): Handle -MQ.
4663 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4664 * mkdeps.c (base_name): Remove.
4665 (deps_init): Don't allocate vector space until it's needed.
4666 (deps_free): Only free vectors if allocated.
4667 (deps_add_target, deps_add_dep): Update for initial allocation.
4668 (deps_add_default_target): Don't strip to the base_name.
4670 2001-01-05 DJ Delorie <dj@redhat.com>
4672 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4673 (INIT_EXPANDERS): Define.
4675 * config/v850/v850.c (struct machine_function): Define.
4676 (v850_save_machine_status): New function.
4677 (v850_restore_machine_status): New function.
4678 (v850_return_addr): New function.
4679 (v850_init_expanders): New function.
4681 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4682 and v850_init_expanders.
4684 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4686 * cpplib.h (struct cpp_reader): Add help_only field.
4687 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4688 (cpp_handle_option): Set pfile->help_only if we see -h,
4689 --help, -target-help, or --version. Print version string but
4690 do not set help_only if we see -v or -version. Make text
4691 printed by -v match that printed by (-)-version.
4693 * cppmain.c (main): Exit after option parsing if
4694 pfile->help_only is true.
4696 * toplev.c (independent_decode_option): Call print_version,
4697 then exit, if we see --version (but not -version).
4698 (print_version): Split lengthy message into two lines.
4700 2001-01-05 Nick Clifton <nickc@redhat.com>
4702 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4703 temporary string for initialisation before calling ggc_alloc_string.
4705 2001-01-06 Michael Hayes <mhayes@redhat.com>
4707 * rtl.h (print_simple_rtl): New.
4708 * print-rtl.c (print_simple_rtl): New.
4710 (print_rtx): Disable printing of flags and modes, etc.,
4711 if `flag_simple` nonzero.
4713 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4715 * function.c (fixup_var_refs): Use push_to_full_sequence where
4718 2001-01-05 Michael Meissner <meissner@redhat.com>
4720 * flags.h (flag_reorder_blocks): Add declaration.
4721 (flag_rename_block): Ditto.
4723 2001-01-05 DJ Delorie <dj@redhat.com>
4725 * function.c (reorder_blocks): Make sure the flags are all reset
4726 before using them to mark blocks, else a second invocation will
4727 corrupt the block chain.
4728 (reorder_blocks_0): New, resets the flags.
4730 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4732 * cse.c (find_comparison_args): Stop if the argument is known to
4735 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4737 * config/sh/sh.md (movdf): When splitting load into pair of
4738 registers, don't clobber the register used in the address too
4741 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4743 * varasm.c (mark_constant_pool): Improve initial comments.
4744 (mark_constants): Move marking of constants to mark_constant.
4745 (mark_constant): New function to recursively mark all constants
4746 referred to by a constant.
4748 2001-01-05 Catherine Moore <clm@redhat.com>
4750 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4752 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4754 * cp/lang-options.h: Bring comment in line with reality.
4755 * f/lang-options.h: Likewise.
4756 * java/lang-options.h: Likewise.
4757 * objc/lang-options.h: Likewise.
4758 * ch/lang-options.h: Likewise.
4759 * f/g77.texi: And update the manual.
4761 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4762 Denis Chertykov <denisc@overta.ru>
4764 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4765 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4766 * config/avr/avr.md (all peepholes that request a scratch register):
4767 Call it, FAIL the peephole if not safe (in interrupt functions).
4769 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4771 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4773 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4775 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4777 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4778 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4779 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4780 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4781 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4783 * extend.texi: Document these builtins.
4785 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4787 * c-common.c (lang_get_alias_set): Say we know nothing of
4788 VECTOR_TYPE aliasing.
4790 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4792 2001-01-05 Bruce Korb <bkorb@gnu.org>
4794 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4795 their x* equivalent versions for atexit-less systems
4796 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4797 systems (or any other system any more).
4799 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4801 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4802 output operands. Use arm_hard_register_operand for operand 4.
4803 (stmsi_postinc): Similarly.
4804 (ldmsi): Use arm_hard_register_operand for opernand 2.
4806 * arm.c (arm_hard_register_operand): New function.
4807 * arm-protos.h (arm_hard_register_operand): Prototype it.
4809 * arm.h (HARD_REGNO_RENAME_OK): Define.
4811 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4813 * simplify-rtx.c (cfc_args): add "unordered" field.
4814 (check_fold_consts): Set unordered field.
4815 (simplify_relational_operation): Simplify the unordered
4818 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4821 * emit-rtl.c (try_split): Fix code to mark labels.
4822 * jump.c (mark_jump_label): Make global.
4823 * rtl.h (mark_jump_label): Declare.
4825 * predict.c (estimate_probability): Handle unordred comparisons.
4827 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4829 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4830 * cppinit.c (initialize_dependency_output): Update.
4831 (cpp_finish): Output dummy targets for -MP.
4833 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4834 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4835 * gcc.c (cpp_options): Update to handle -MP.
4836 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4837 to quote only the default target.
4838 (deps_phony_targets): Insert a preceding newline. Rename from
4839 deps_dummy_targets for consistency.
4842 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4844 * calls.c (emit_library_call_value_1): Support
4845 INIT_CUMULATIVE_LIBCALL_ARGS.
4846 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4848 2001-01-04 Richard Henderson <rth@redhat.com>
4850 * c-decl.c (finish_struct): Detect flexible array members
4851 used in an inappropriate context.
4852 * c-typeck.c (really_start_incremental_init): Special case
4853 constructor_max_index for zero length arrays.
4854 (pop_init_level): Allow initialization of flexible array
4855 members. Deprecate initialization of zero length arrays.
4856 Don't issue missing initializer warning for flexible array
4857 members or zero length arrays.
4858 (process_init_element): Don't dereference null DECL_SIZE.
4859 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4860 Don't abort for empty constructors. Use size_binop
4861 (output_constructor): Add commentary regarding zero length
4862 array futures. Abort if we try to initialize an array of
4863 unspecified length with a non-empty constructor in the middle
4866 * extend.texi (Zero Length): Update and clarify documentation
4867 on static initialization.
4869 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4871 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4872 with more than 32767 words of local storage.
4874 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4876 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4877 for 'abs', 'labs', and 'fabs'.
4878 (c4x_expand_builtin): Likewise.
4879 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4881 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4883 * config/sh/sh.md (prget, prset): New insn types.
4884 (return delay slot): Dont' allow prset.
4885 (call, sfunc delay slot): Don't allow prget.
4886 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4887 for prset and prget.
4889 2001-01-05 Michael Hayes <mhayes@redhat.com>
4891 * loop.h (struct loop_reg): New.
4892 (struct loop_regs): Change to use array of `struct loop_reg'.
4893 * loop.c: Replace assortment of varrays with single regs array.
4894 (count_one_set): Delete may_not_move array argument
4895 and use regs array instead. All caller's changed.
4896 (count_loop_regs_set): Delete may_not_move and single_usage
4897 arguments and use regs array instead. All caller's changed.
4898 (find_single_use_in_loop): Replace usage array argument with pointer
4899 to regs structure. All caller's changed.
4900 (loop_optimize): Delete `moved_once' array.
4902 2001-01-05 Michael Hayes <mhayes@redhat.com>
4904 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4905 Use it instead of loop_info->has_call for scanning loop mems.
4906 (check_dbra_loop): Replace loop_info->has_call test with
4907 loop_info->has_nonconst_call.
4909 2000-01-04 Matthew Hiller <hiller@redhat.com>
4911 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4914 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4916 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4917 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4919 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4921 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4922 (flag_short_double, flag_short_wchar): Define.
4923 (c_common_nodes_and_builtins): Create many tree nodes shared
4924 between C and C++ here instead of in cp/decl.c and ...
4925 * c-decl.c (init_decl_processing): ... here.
4926 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4927 (flag_short_double, flag_short_wchar): Don't define.
4928 (record_builtin_type): New function.
4929 (build_void_list_node): New function.
4930 * c-common.h (flag_short_double, flag_short_wchar,
4931 record_builtin_type, build_void_list_node): Declare.
4933 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4935 * integrate.c (expand_inline_function): Don't put a virtual
4936 register into the reg map.
4938 * function.c (fixup_var_refs_1): If force_operand didn't put
4939 the address into the target, move it there.
4941 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4943 Special-case tree_decl/tree_list allocations.
4944 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4945 (OBJECT_SIZE): New macro.
4946 (NUM_EXTRA_ORDER): Likewise.
4947 (extra_order_size_table): New variable.
4948 (NUM_ORDERS): New macro.
4949 (objects_per_page_table): New variable.
4950 (object_size_table): New variable.
4951 (G.pages): Use NUM_ORDERS to bound the array.
4952 (G.page_tails): Likewise.
4953 (DIV_ROUND_UP): Remove.
4954 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4955 (alloc_page): Use OBJECT_SIZE.
4956 (size_lookup): Don't make it const.
4957 (ggc_alloc): Use OBJECT_SIZE.
4958 (ggc_set_mark): Likewise.
4959 (ggc_get_size): Likewise.
4960 (init_ggc): Set up the object_size_table, objects_per_page_table,
4961 and adjust size_lookup.
4962 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4963 (ggc_pop_context): Use NUM_ORDERS.
4964 (clear_marks): Likewise.
4965 (sweep_pages): Likewise.
4966 (poison_pages): Likewise.
4967 (ggc_print_statistics): Use OBJECT_SIZE.
4969 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4971 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4972 Only call array_size_for_constructor if last field and array type
4973 with no upper bound.
4975 2001-01-04 Philip Blundell <philb@gnu.org>
4977 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4978 from bit 31 downwards, if this requires no more insns.
4979 (count_insns_for_constant): New helper function for above.
4981 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4983 * gencodes.c (output_predicate_decls): Remove empty initializer.
4985 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4987 * tree.c (copy_node): Remove documentation about obstacks.
4988 (buidl1): Check that nobody tries to build 2-argument nodes this
4991 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4993 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4996 * gencodes.c (output_predicate_decls): Fill empty initializer
4999 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5001 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5002 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5004 (do_include): Handle missing headers like cpp0.
5005 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5006 paths with first include pathname. Don't strcat to uninitialized
5009 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5011 * regrename.c (regrename_optimize): Don't rename from frame pointer
5012 if frame_pointer_needed.
5013 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5014 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5015 (ia64_reorg): Use it instead of scheduling if ! optimize.
5016 (errata_emit_nops): Properly call asm_noperands.
5017 (ia64_sched_reorder): Finish cycle if we see an asm.
5018 (ia64_variable_issue): Clear scheduling state after asms.
5020 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5022 * cpp.texi: Update for -MT.
5023 * cppinit.c (initialize_dependency_output): Add a default
5024 target if none has been given already.
5025 (no_tgt, OPT_MT): New.
5026 (cpp_handle_option): Handle -MT. Update -M etc.
5027 * cpplib.h (struct cpp_options): Remove deps_target.
5028 * gcc.c (cpp_options): Handle -MT.
5029 * mkdeps.c (struct deps): Move from mkdeps.h.
5030 (deps_calc_target): Rename deps_add_default_target. Add a
5031 default target if none has been specified already.
5032 * mkdeps.h (struct deps): Move to mkdeps.c.
5033 (deps_calc_target): Rename deps_add_default_target.
5035 2000-01-03 Richard Henderson <rth@redhat.com>
5037 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5039 * c-typeck.c (push_init_level): Move checks for flexible array
5040 members and zero length arrays ...
5041 (pop_init_level): ... here. Silently discard empty initializations.
5043 * varasm.c (output_constructor): Update for sizeof change to
5046 * extend.texi (Zero Length): Clarify semantics.
5048 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5050 * configure.in (tm.h): Include isns-codes.h last.
5051 * configure: Rebuilt.
5053 2001-01-03 Richard Henderson <rth@redhat.com>
5055 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5056 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5058 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5060 * tradcpp.c (main): Make sure finclude() is called with a valid
5061 indepth value while handling -include.
5063 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5065 * gencodes.c (output_predicate_decls): New function.
5067 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5068 even if it is not the first time machmode.h is #included.
5069 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5070 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5071 * gcc.texi (Copyright): Added 2001.
5073 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5075 * c-common.c (c_common_lang_init): New function. Warn if format
5076 warning options which only have effects when used with -Wformat
5077 are used without -Wformat.
5078 * c-common.h (c_common_lang_init): Declare.
5079 * c-lang.c (lang_init): Call c_common_lang_init.
5080 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5082 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5084 * configure.in: Check for the mktemp command.
5085 * configure: Regenerate.
5086 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5087 $TEMP. Create temporary files with mktemp, if available at
5088 configure time; otherwise use set -C. Remove temporary files
5091 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5093 * configure.in: Require at least texinfo 4.0. Check for whether
5094 Pod::Man is sufficiently recent to regenerate GCC manpages.
5095 * configure: Regenerate.
5096 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5098 (GENERATED_MANPAGES): Define.
5099 (generated-manpages): New target. Depend on cpp.1 as well as
5101 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5102 configure to generated-manpages or empty) rather than on the
5103 manpages directly. Remove execute permission from installed
5104 gcov.1 as well as cpp.1.
5105 * cpp.1, gcov.1: Regenerate.
5107 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5109 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5110 tree_low_cst. Allow using cmpstrsi in more cases.
5112 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5114 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5117 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5119 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5120 * Makefile.in (HOST_CFLAGS): Mention build-make.
5122 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5124 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5127 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5129 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5132 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5135 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5136 reg_base_value and reg_known_value arrays.
5137 (init_alias_analysis): Add more cases to detect known values.
5138 * sched-deps.c (deps_may_trap_p): New function.
5139 (sched_analyze_2): Use it.
5141 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5143 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5144 don't discard an ASHIFTRT if we're shifting in a wider mode.
5146 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5148 * toplev.c (rest_of_compilation): Don't print basic block information
5149 when CFG isn't up to date.
5151 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5153 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5154 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5155 (UNALIGNED_SHORT_ASM_OP): Define.
5156 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5158 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5160 * fold-const.c (fold_convert): Fix typo.
5162 2001-01-02 Richard Henderson <rth@redhat.com>
5164 * c-common.h (ASM_INPUT_P): New.
5165 * c-parse.in (asm): Set it when needed.
5166 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5167 existance of an operand.
5169 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5171 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5172 (dwarf2out_frame_debug_expr): Likewise.
5173 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5175 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5177 * i386.c (ix86_split_to_parts): Return number of part required;
5179 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5181 (ix86_split_long_move): Use number of part returned
5182 by ix86_split_to_parts
5183 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5185 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5186 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5187 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5188 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5189 (ALIGN_MODE_128): Add TFmode.
5190 (IS_STACK_MODE): Likewise.
5191 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5192 (HARD_REGNO_OK): Support TFmodes.
5193 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5194 * i386.md (scheduler definitions): Use memory operand to determine
5195 fst/fld instructions; use mode attribute to determine real mode of
5197 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5198 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5200 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5202 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5204 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5206 * expr.c (store_constructor_field): Update ALIGN before calling
5209 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5211 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5214 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5216 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5219 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5221 * c-decl.c (start_function): Don't warn on third parameter to main.
5223 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5225 * tsystem.h: Define HAVE_DECL_GETOPT.
5227 2001-01-02 Philip Blundell <pb@futuretv.com>
5229 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5232 2001-01-02 Richard Henderson <rth@redhat.com>
5234 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5236 2001-01-02 Andreas Jaeger <aj@suse.de>
5238 * c-decl.c (c_decode_option): Remove support of
5241 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5242 (W_options): Add -Wmissing-noreturn here.
5244 * flow.c: Define lang_missing_noreturn_ok_p.
5245 (check_function_return_warnings): Use it.
5247 * c-common.h: Declare lang_missing_noreturn_ok_p.
5249 * c-lang.c (c_missing_noreturn_ok_p): New function.
5250 (lang_init): Set lang_missing_noreturn_ok_p.
5252 * invoke.texi (Warning Options): Document this.
5254 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5256 * extend.texi (C++ Extensions): New node for C++ attributes;
5257 describe init_priority and com_interface.
5258 * invoke.texi: Remove -finit-priority as it now has zero effect.
5259 * install.texi: Fix xref syntax.
5260 * md.texi: Likewise.
5262 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5264 * config.gcc (sparc64-wrs-vxworks*): New case.
5265 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5267 * config/sparc/sparc.c (sparc_override_options): Do support different
5268 pointer and architecture size.
5269 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5270 (POINTERS_EXTEND_UNSIGNED): Define.
5271 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5272 (FUNCTION_MODE): Define to be Pmode.
5273 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5275 * function.c (expand_function_end): Properly handle DECL_RESULT
5276 and copy when ptr_mode != Pmode.
5277 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5279 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5281 * c-common.c (c_common_nodes_and_builtins): Set prototype
5282 parameters for __builtin_fputs, __builtin_fputc and
5283 __builtin_fwrite. Don't declare plain fputc as a builtin.
5285 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5287 * loop.c (add_label_notes): Increment the label usage count when
5288 a note is added to an insn which refers to a CODE_LABEL.
5289 * gcse.c (add_label_notes): Likewise.
5291 2001-01-01 Andreas Jaeger <aj@suse.de>
5293 * loop.c (scan_loop): Use xmalloc to allocate movables.
5295 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5297 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5298 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5299 * reload1.c (REGISTER_MOVE_COST): Likewise.
5300 * regclass.c (REGISTER_MOVE_COST): Likewise.
5301 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5302 dimension. Adjust all users.
5303 (init_reg_sets_1): Iterate on all modes.
5304 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5305 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5306 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5307 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5308 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5309 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5310 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5311 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5312 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5313 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5314 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5315 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5316 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5317 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5318 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5319 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5320 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5321 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5322 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5323 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5324 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5325 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5326 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5327 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5328 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5329 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5330 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5332 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5334 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5335 arg VARIES_P. Call it with extra arg.
5336 (true_dependence): Likewise.
5337 * rtl.h (rtx_addr_can_trap_p): Declare.
5338 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5340 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5341 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5342 pic offset table register if it's zero. All callers changed.
5343 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5345 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5347 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5348 STRING_POOL_ADDRESS_P.
5350 * config/sparc/sparc.c (input_operand): Properly test for short op.
5352 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5353 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5354 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5355 * config/sparc/elf.h: No longer include sol2.h.
5356 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5357 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5359 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5361 2001-01-01 Michael Hayes <mhayes@redhat.com>
5363 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5364 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5365 (record_initial): Likewise.
5366 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5367 (remap_split_bivs): Likewise.
5369 2001-01-01 Michael Hayes <mhayes@redhat.com>
5371 * loop.c (loop_ivs_free): New function.
5372 (strength_reduce): Break out from...
5374 2001-01-01 Michael Hayes <mhayes@redhat.com>
5376 * loop.h (struct iv): New.
5377 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5378 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5379 'reg_biv_class' fields with 'regs' and 'n_regs'.
5380 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5381 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5382 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5384 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5386 * resource.c (mark_referenced_resources): Abort() before
5387 attempting to mark a pseudo register.
5388 (mark_set_resources): Likewise.
5390 2001-01-01 Michael Hayes <mhayes@redhat.com>
5392 * loop.h (REG_IV_CLASS): New accessor macro.
5393 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5394 * unroll.c (REG_IV_CLASS): Likewise.
5396 See ChangeLog.4 for earlier changes.