1 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3 Put main() in a separate file, so that the language
4 front-end can use a different main().
7 * toplev.c: (main): Rename as toplev_main.
8 * toplev.h: Declare toplev_main.
9 * Makefile.in (OBJS): add toplev.o.
10 (BACKEND): remove toplev.o, add main.o.
12 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
14 * cppfiles.c (search_from): Special case the empty string.
16 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
18 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
19 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
20 strlen or strcpy; we already know the length.
21 (_cpp_compare_file_date): Similarly.
22 * cpphash.h (struct cpp_reader): Delete done_initialising.
23 (CPP_PREV_BUFFER): Delete.
24 * cppinit.c (cpp_start_read): Don't set done_initialising.
25 * cpplex.c (parse_string): Guarantee null-termination.
26 (_cpp_equiv_toklists): Remove.
27 * cpplib.c (glue_header_name): Null-terminate.
28 (do_line): Don't leak memory.
29 * cpplib.h (BT_WEAK): Delete.
30 * cppmain.c (cb_ident): Strings are now null-terminated.
32 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
34 * gcc.c (convert_filename): Append executable suffix
35 if NO_AUTO_EXE_SUFFIX is not defined.
36 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
37 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
39 2001-03-03 David O'Brien <obrien@FreeBSD.org>
41 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
42 * c-parse.gperf, c-gperf.h: Delete.
43 (c-gperf.h was accidently re-added to the CVS repo in the rev 1.16 commit
46 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
48 * cpplex.c (_cpp_lex_token): Don't warn about directives in
49 macro arguments when looking for the '('.
50 * cppmacro.c (funlike_invocation_p): Set parsing_args to
51 2 when really parsing arguments; 1 when looking for '('.
52 Always restore the lexer position.
54 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
56 * longlong.h (umul_ppmm): Don't use a multiline string.
58 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
60 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
61 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
62 t_bool in declaration because pcc can't combine volatile with typedef
65 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
67 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
68 until when it is really needed.
69 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
70 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
71 * i386.md (float?i?f splitter): Don't force source operand to memory
73 (sse_movdfcc): Fix constraint.
74 (sse_movdfcc splitter): Handle properly the second alternative.
76 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
78 * cpplex.c (parse_string): Unconditionally pedwarn.
80 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
83 * cppexp.c (parse_number): Update.
84 * cpplex.c (parse_string): Pedwarn if multiline string does not
85 result from a system header's macro.
86 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
87 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
88 for function-like macros too.
89 * c-lex.c (lex_number): Update.
91 2001-03-03 Richard Henderson <rth@redhat.com>
93 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
95 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
97 * combine.c (try_combine): If split with mode-changed scratch
98 register didn't work, try the original mode.
100 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
102 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
103 * config/c4x/c4x.h: Likewise.
104 * stor-layout.c (compute_record_mode): Likewise.
105 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
107 2001-03-02 Zack Weinberg <zackw@stanford.edu>
109 * configure.in: Kill tm.h. Include the files in the $tm_file
110 list in all three of config.h, hconfig.h, tconfig.h, after the
111 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
112 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
113 * configure: Regenerate.
114 * Makefile.in (clean): Don't delete tm.h.
116 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
117 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
118 those are not defined, set SEC and FEC to 0 and 1.
119 * gcc.texi: Update to match.
121 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
122 * config/fp-bit.c, config/m68k/aux-crt2.asm,
123 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
124 Include tconfig.h, not tm.h.
126 * config/xm-lynx.h, config/xm-std32.h,
127 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
128 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
129 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
130 config/clipper/xm-clix.h, config/convex/xm-convex.h,
131 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
132 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
133 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
134 config/i386/xm-i386.h, config/i860/xm-i860.h,
135 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
136 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
137 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
138 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
139 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
140 config/pa/xm-linux.h, config/pa/xm-pa.h,
141 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
142 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
143 config/pj/xm-pj.h, config/romp/xm-romp.h,
144 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
145 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
146 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
147 config/v850/xm-v850.h, config/vax/xm-vax.h,
148 config/we32k/xm-we32k.h:
150 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
152 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
153 config/i370/xm-oe.h: Don't include tm.h. Don't define
155 * config/vax/xm-vms.h: Don't include tm.h.
157 * config/xm-lynx.h, config/avr/xm-avr.h,
158 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
159 Delete; made empty by above changes.
160 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
161 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
162 Don't include config/xm-lynx.h or tm.h.
164 * config/xm-gnu.h: Don't include fcntl.h.
165 * config/sparc/xm-lynx.h: Don't include sys/types.h and
167 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
169 2001-03-02 Richard Henderson <rth@redhat.com>
171 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
172 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
174 2001-03-02 Richard Henderson <rth@redhat.com>
176 * Makefile.in (OBJS): Add dwarf2asm.o.
177 * dwarf2asm.c, dwarf2asm.h: New files.
178 * dwarf2out.c (*): Use them.
179 (size_of_uleb128, size_of_sleb128): Remove.
180 (output_uleb128, output_sleb128): Remove.
181 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
182 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
183 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
184 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
185 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
186 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
187 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
188 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
189 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
190 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
191 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
192 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
193 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
194 (dwarf2out_frame_debug): Remove unused variables.
195 (output_loc_operands): Don't abort on 8 byte constants if
196 host integers are wide enough.
197 (output_symbolic_ref): Remove.
198 (size_of_die): Don't assume 4 byte host integers.
199 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
201 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
202 something stupid with HOST_WIDE_INT to long truncation.
203 [CONST_DOUBLE]: Likewise.
205 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
206 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
207 * config/arm/unknown-elf.h: Likewise.
208 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
209 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
210 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
211 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
212 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
213 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
214 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
215 (ASM_OUTPUT_DWARF_OFFSET): Remove.
216 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
217 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
218 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
219 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
221 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
223 * cselib.c (hash_rtx): Cast enums to unsigned int.
225 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
227 * print-rtl.c (print_rtx): Cast enums to int for comparison.
228 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
230 * c-format.c (C_STD_VER): Cast to int for comparisons.
231 (check_function_format): Cast various enums to int for &.
232 (maybe_read_dollar_number): Likewise.
233 (check_format_info): Likewise.
234 (check_format_info_main): Likewise.
235 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
236 (safe_from_p): Likewise.
237 * varasm.c (const_hash): Cast enum to int for %.
238 * emit-rtl.c (init_emit_once): Use int loop variable to work around
239 pcc enum problems with < and ++ operators.
240 * regclass.c (init_reg_sets_1): Cast enums for comparison.
241 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
242 (regclass_init): Change enum class to int to iterate over reg_classes.
243 * genrecog.c (merge_trees): Cast enums for comparison.
244 * rtl.h (GET_CODE): Cast to enum rtx_code.
245 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
246 (GET_MODE): Cast to enum machine_mode.
247 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
248 (GET_NOTE_INSN_NAME): Cast enum to int.
249 * tree.h (TREE_CODE): Cast to enum tree_code.
250 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
251 * timevar.c (timevar_print): Change loop variable id from enum to
253 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
254 * config/i386/i386.md: Use PUT_MODE for mode assignment.
255 * toplev.c (compile_file): Cast enum DFI to int.
256 (decode_d_option): Likewise.
258 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
260 * cppinit.c (append_include_chain): Mark "after" include file name list
261 as a system directory.
262 * cpp.texi: Document new behavior.
264 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
266 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
268 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
270 * cppfiles.c (struct include_file): Update.
271 (stack_include_file): Use search_from.
272 (cpp_included, find_include_file): Update.
273 (cpp_execute_include): Update. ptr->name may not be
274 null terminated. Use the new search_from member variable
276 (_cpp_compare_file_date): Similarly.
277 (search_from): New function, similiar to actual_directory.
278 (actual_directory): Delete.
279 (remap_filename): Update. loc->name may not be null terminated.
280 (struct file_name_list): Rename search_path. Update.
281 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
283 (struct cpp_reader): Remove actual_dirs.
284 * cppinit.c (struct cpp_pending): Update for renamed objects.
285 (append_include_chain, remove_dup_dir, remove_dup_dirs,
286 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
287 * cpplib.h (struct cpp_options): Similarly.
289 2001-03-01 Zack Weinberg <zackw@stanford.edu>
291 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
292 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
293 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
294 config/clipper/xm-clix.h, config/convex/xm-convex.h,
295 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
296 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
297 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
298 config/i370/xm-linux.h, config/i370/xm-mvs.h,
299 config/i370/xm-oe.h, config/i386/xm-aix.h,
300 config/i386/xm-i386.h, config/i386/xm-osf.h,
301 config/i860/xm-i860.h, config/i960/xm-i960.h,
302 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
303 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
304 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
305 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
306 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
307 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
308 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
309 config/pj/xm-pj.h, config/romp/xm-romp.h,
310 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
311 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
312 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
313 config/v850/xm-v850.h, config/vax/xm-vax.h,
314 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
315 Do not define TRUE or FALSE.
317 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
318 empty by above change.
319 * config.gcc: Remove references to these files.
321 * configure.in: Detect stdbool.h.
322 * configure, config.in: Regenerate.
323 * system.h: Include stddef.h here if available.
324 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
325 Then set up a sensible boolean type at the very end.
327 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
328 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
330 * hash.h: Delete 'boolean' typedef and related #undefs.
332 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
333 all uses of 'boolean' with 'bool'.
335 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
337 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
338 * cppexp.c (lex): Cast enums for comparison.
339 * cppinit.c (parse_option): Cast enum for comparison.
340 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
341 (cpp_output_token): Likewise.
342 (cpp_can_paste): Cast enums for comparsion and plus/minus.
343 (cpp_avoid_paste): Cast enums for minus and comparison.
345 2001-03-01 Zack Weinberg <zackw@stanford.edu>
347 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
348 field to all array elements.
350 2001-03-01 Zack Weinberg <zackw@stanford.edu>
352 * cpphash.h (struct cpp_reader): Add print_version field.
353 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
354 just set print_version and other flags as appropriate.
355 (cpp_post_options): Print version here if print_version is set.
357 * toplev.c (exit_after_options): New flag.
358 (independent_decode_option): Don't exit here; just set
360 (main): Exit after calling lang_hooks.post_options if
361 exit_after_options is true.
363 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
364 (merge_include_chains): Adjust comment to match code.
366 2001-03-01 Zack Weinberg <zackw@stanford.edu>
368 * stringpool.c (set_identifier): New function.
369 * tree.h: Prototype it.
371 * c-parse.in: Kill D_YES. If compiled for objc, call
372 save_and_forget_protocol_qualifiers from init_reswords.
373 * objc/objc-act.c (remember_protocol_qualifiers,
374 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
375 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
377 (save_and_forget_protocol_qualifiers): New function.
378 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
380 2001-03-01 Diego Novillo <dnovillo@redhat.com>
382 * c-semantics.c (prune_unused_decls): Return error_mark_node
383 instead of (tree) 1 to stop traversing the tree chain.
385 2001-03-01 Bernd Schmidt <bernds@redhat.com>
387 Fix a problem introduced by Kenner's Feb 18 change.
388 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
389 flag_cse_skip_blocks only temporarily, not for ever.
391 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
393 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
394 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
396 * pa.c (emit_move_sequence): Verify operand0 is a hard register
397 before determining its register class.
399 2001-03-01 Bernd Schmidt <bernds@redhat.com>
401 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
402 from reg 4 if current_function_calls_setjmp.
403 (gen_nop_type): New function.
404 (ia64_emit_nops): New function.
405 (ia64_reorg): Call it.
406 (ia64_sched_reorder): Move code that rotates bundles up a bit.
408 * reload1.c (eliminate_regs_in_insn): Restrict the special case
409 code not to try to optimize adds with anything but a REG destination.
411 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
412 (INSN_PRIORITY_KNOWN): New accessor macro.
413 * haifa-sched.c (priority): Use it instead of testing priority against
416 2001-02-28 DJ Delorie <dj@redhat.com>
418 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
419 since that doesn't work the way gcc wants on a generic m68k.
421 2001-02-28 Richard Henderson <rth@redhat.com>
423 * caller-save.c (save_call_clobbered_regs): Fix typo in
424 comparison last change.
426 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
428 * i386.c (pentium4_cost): New.
429 (m_PENT4): New macro.
430 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
431 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
432 x86_integer_DFmode_moves, x86_partial_reg_dependency,
433 x86_memory_mismatch_stall): Add Pentium4
434 (x86_use_q_reg, x86_use_any_reg): Kill.
435 (override_options): Add pentium4.
436 (incdec_operand): Return 0 for pentium4.
437 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
438 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
439 (TARGET_PENTIUM4): Define.
440 (enum processor_type): Add PROCESSOR_PENTIUM4.
441 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
442 * i386.md (attribute "cpu"): Add pentium4.
443 * invoke.texi (march): Add pentium4.
445 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
447 * i386.md (sse_mov?fcc*): New patterns and splitters.
448 * i386.c (ix86_expand_movcc): Work post-reload; recognize
449 the SSE based conditional moves.
451 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
453 * i386.md (attribute mode): Add "TI".
454 (movsf_1): Add pxor support; remove constant propagation splitter.
455 (movdf_integer): Likewise.
456 (movdf_nointeger): Likewise.
457 (movxf constant prop splitter): Handle all modes; update for SSE.
458 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
459 * i386.c (standard_80387_constant_p): Rewrite.
460 (standard_sse_constant_p): New.
461 * i386-protos.h (standard_sse_constant_p): New.
463 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
465 * i386.md (sse_setccsf, sse_setccdf): New.
466 (sse_cmp* patterns): Use '%D' instead of outputtting condition
468 * i386.c (sse_comparison_operator): Accept the supported unordered
469 comparses; be ready for fast_math.
470 (print_operand): Support 'D'.
472 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
474 * jump.c (reversed_comparison_code): Kill.
476 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
478 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
481 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
483 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
484 add missing '%' in constraints.
486 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
488 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
489 for HOST_BITS_PER_WIDE_INT == 32 too.
491 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
493 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
495 (insert_save, insert_restore): New parameter save_mode.
496 (init_caller_save): Update initialization of reg_save_code
497 and reg_restore_code.
498 (save_call_clobbered_regs): Compute save_modes and update calls to
499 reg_save_code and reg_restore_code.
500 (insert_restore): Unsignetize numbers; use save_modes to choose mode
501 of spill; update use of reg_restore_code.
502 (insert_save): Likewise.
503 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
504 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
505 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
507 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
509 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
510 noce_try_store_flag_inc, noce_try_store_flag_mask,
511 noce_try_cmove_arith):
512 Use reversed_comparison_code instead of reverse_comparison and
513 can_reverse_comparison_p.
515 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
517 * jump.c (reversed_comparison_code_parts): Allow reversal of
518 unordered compares in -ffast-math mode; reverse ordered compares
519 for FP even w/o -ffast-math.
521 2001-02-27 Richard Henderson <rth@redhat.com>
523 * print-rtl.c (print_rtx) [i]: Don't print field five on
524 NOTEs other than NOTE_INSN_DELETED_LABEL.
526 2001-02-27 Zack Weinberg <zackw@stanford.edu>
528 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
529 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
531 2001-02-27 Diego Novillo <dnovillo@redhat.com>
533 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
534 even if walk_subtrees is 0.
535 * c-semantics.c (prune_unused_decls): Return a non-null value to
536 stop traversing the tree chain.
538 2001-02-27 DJ Delorie <dj@redhat.com>
540 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
541 register, *then* define it as the new CFA.
543 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
545 * pa.c (override_options): Promote -fpic to -fPIC.
546 (legitimize_pic_address): Simplify due to removal of
547 small PIC as a code generation option.
548 (secondary_reload_class): Similarly.
549 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
550 (PRINT_OPERAND_ADDRESS): Similarly.
551 * pa.md (various patterns): Similarly.
552 (small pic lo_sum pattern): Remove.
554 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
557 * md.texi (min, max): Document
559 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
561 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
562 TARGET_PARTIAL_REG_DEPENDENCY.
563 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
565 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
567 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
569 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
571 * mips.c (mips_make_temp_file): Fix thinko in last change.
573 2001-02-26 Jason Eckhardt <jle@redhat.com>
575 * combine.c (known_cond): Do not reverse the condition when
576 SMAX/UMAX is being considered and the condition is for equality
579 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
581 2001-02-26 Philip Blundell <philb@gnu.org>
583 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
585 * config/arm/linux-elf.h: Remove historical relics related to
586 above configurations.
587 * config/arm/linux-oldld.h: Delete.
588 * config/arm/linux-elf26.h: Delete.
590 2001-02-26 Jason Merrill <jason@redhat.com>
592 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
594 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
595 recognize a tentative definition. Lose obsolete code.
597 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
598 variables unless necessary, either.
600 2001-02-25 Richard Henderson <rth@redhat.com>
602 * ifcvt.c (struct noce_if_info): Add test_bb.
603 (noce_get_alt_condition): New.
604 (noce_try_minmax, noce_try_abs): New.
605 (noce_operand_ok): New.
606 (noce_process_if_block): Use them.
607 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
609 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
611 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
614 2001-02-25 Zack Weinberg <zackw@stanford.edu>
616 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
617 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
619 (mips_asm_file_end): Free temp_filename here.
621 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
623 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
624 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
626 * config/i386/i386.md (movstrsi): Handle FAIL case.
628 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
630 * cppinit.c (builtin_array): Update.
631 (init_builtins): Flag builtins to warn if redefined or
632 undefined. Define __GXX_WEAK as a normal macro.
633 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
634 * cpplib.h (NODE_WARN): New flag.
635 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
636 Handle __STDC__ as a builtin only on Solaris.
637 (warn_of_redefinition): Renamed from check_macro_definition.
638 Reverse sense of test. Always warn if NODE_WARN.
639 (_cpp_create_definition): Use warn_of_redefinition. Flag
640 any macro beginning with "__STDC_" to require a mandatory
641 warning if redefined or undefined.
643 2001-02-24 Zack Weinberg <zackw@stanford.edu>
645 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
646 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
647 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
648 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
649 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
650 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
652 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
653 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
654 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
655 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
656 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
658 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
659 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
662 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
663 Delete now-empty file.
665 * alpha/vms.h: Define NEED_ATEXIT here...
666 * alpha/xm-vms.h: ...not here.
668 * i386/cygwin.h: Don't define PARAMS.
669 * mips/mips.c: Don't prototype mktemp. Don't define
670 P_tmpdir. Use make_temp_file to create temporary files.
671 Don't be clever and delete temporary files early.
672 * config.gcc: Drop references to deleted files. Don't define
674 * gcc.texi: Don't mention USE_PROTOTYPES.
676 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
678 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
679 (ix86_set_move_mem_attrs_1): Likewise.
680 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
681 * config/i386/i386.md (movstrsi): Call it.
683 2001-02-24 Zack Weinberg <zackw@stanford.edu>
685 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
686 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
687 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
688 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
690 (i750a-*-*): Error here if hosting on i750a.
691 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
693 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
694 Remove (empty modulo comments).
696 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
697 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
698 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
699 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
700 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
701 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
703 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
704 Remove reference to winnt.h in comment.
705 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
707 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
709 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
710 used to set another biv.
712 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
714 * tree.h (BLOCK_DEAD): New macro.
715 (struct tree_block): New flag, dead_flag.
716 * print-tree.c (print_node, case 'b'): Print missing fields.
717 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
718 * function.c (identify_blocks): Enable test for misplaced notes.
719 (all_blocks): Skip BLOCK_DEAD blocks.
720 * integrate.c (integrate_decl_tree): Likewise.
722 * errors.c (internal_error, trim_filename): New functions.
723 (fancy_abort): Call internal_error.
724 * errors.h (internal_error, trim_filename): New declarations.
726 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
728 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
730 (EXTRA_CONSTRAINT): Formatting changes.
732 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
734 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
736 2001-02-23 Per Bothner <per@bothner.com>
738 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
739 so they can be called from java/jvspec.c.
740 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
742 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
744 * i386.c (ix86_frame): New structure.
745 (ix86_compute_frame_size): Kill.
746 (ix86_compute_frame_layout): New.
747 (ix86_save_reg): New.
748 (ix86_can_use_return_insn_p): Use frame layout stuff.
749 (ix86_expand_prologue): Likewise.
750 (ix86_expand_epilogue): Likewise.
751 (ix86_initial_elimination_offset): Likewise.
752 (ix86_nsaved_regs): Use ix86_save_reg.
753 (ix86_emit_save_regs): Likewise.
755 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
757 * flow.c (find_sub_basic_blocks): New function.
758 (split_block): Be ready for basic block introduced by CODE_LABEL.
759 (commit_one_edge_insertion): Call find_sub_basic_block.
761 * flow.c (make_edges): Add edge from entry for blocks starting with
762 label having ALTERNATE_NAME
764 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
766 * function.c (epilogue_done): Be ready for first basic block not
767 containing PROLOGUE_END note.
768 (reposition_prologue_and_epilogue_notes): Avoid placing
769 PROLOGUE_END note between BASIC_BLOCK.
771 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
773 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
775 2001-02-21 DJ Delorie <dj@redhat.com>
777 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
778 check for current_function_has_nonlocal_goto from 1999-11-12.
780 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
782 * diagnostic.c (trim_filename): No longer static.
783 * toplev.h (trim_filename): Declare.
784 * rtl.c (rtl_check_failed_bounds): Call internal_error.
785 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
786 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
787 (rtvec_check_failed_bounds): Likewise.
788 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
790 * convert.c (convert_to_integer): Don't do unsigned unless result or
791 both inputs are unsigned.
793 * fold-const.c (fold_convert): Don't call size_int_type_wide if
796 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
798 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
800 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
802 * Makefile.in (resource.o): Add params.h dependence.
803 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
804 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
805 * resource.c: Add dependence on params.h.
806 (current_live_regs): Fix explanatory comment.
807 (find_basic_block): Add new parameter to permit limiting search
809 (mark_target_live_regs): Add new argument to find_basic_block call.
810 (incr_ticks_for_insn): Likewise.
812 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
814 * diagnostic.c (output_to_stream): Rename to
815 output_buffer_to_stream. Loses the stream parameter.
816 (init_output_buffer): Set diagnosic_buffer's stream.
817 (flush_diagnostic_buffer): Adjust.
818 (default_print_error_function): Likewise.
819 (finish_diagnostic): Likewise.
820 (verbatim): Likewise.
822 * diagnostic.h (struct output_buffer): Add `stream' field.
823 (output_buffer_attached_stream): New macro.
825 2001-02-23 Jakub Jelinek <jakub@redhat.com>
827 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
828 check if either operand is divisible by C.
829 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
830 If type is signed, consider negative numbers as well.
832 2001-02-22 Richard Henderson <rth@redhat.com>
834 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
835 reach .text instead of gp-relative relocs.
836 * config/ia64/crtend.asm (.init): Likewise.
838 2001-02-22 Andreas Jaeger <aj@suse.de>
840 * extend.texi (C++ Attributes): Fix typo.
842 2001-02-21 David Mosberger <davidm@hpl.hp.com>
844 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
845 functions, drop current_function_args_info.words test.
846 (ia64_compute_frame_size): Mark syscall_linkage functions as
847 using eight input registers.
849 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
850 Bruce Korb <bkorb@gnu.org>
852 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
853 * fixinc/README: Document how to convert sed substitutions
854 to format style c_fix-es.
855 * fixinc/fixincl.x: regen
857 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
859 * gcc.c: Add comment explaining how to add a command-line option.
860 Add title to specs language comment.
862 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
864 * gcc.c (cc1_options): Add "-param".
865 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
866 (option_map): Likewise.
867 * toplev.c (display_help): Add entry for "--param".
868 (independent_decode_option): Fix typographical error.
870 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
871 Bernd Schmidt <bernds@redhat.com>
872 Jan Hubicka <jh@suse.cz>
874 * i386.c (function_arg_advance): Pass SSE arguments in registers.
875 (function_arg): Likewise.
877 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
879 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
881 2001-02-21 Kazu Hirata <kazu@hxi.com>
883 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
887 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
889 * flow.c (init_propagate_block_info): Canon address and use single_set
890 for killing dead memory stores.
892 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
894 * Makefile.in (reorg.o): Add params.h dependence.
895 * params.def: Fix typographical error in comment.
896 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
897 * params.h: Modify introductory comment.
898 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
899 * reorg.c: Add dependence on params.h.
900 (redundant_insn): Add parameterized throttle for search.
901 (fill_simple_delay_slots): Add a comment explaining a variable.
902 Move conditional out of loop, simplifying code.
903 (fill_eager_delay_slots): Fix typographical error in comment.
905 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
907 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
909 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
910 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
912 2001-02-21 Jason Merrill <jason@redhat.com>
914 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
915 (struct tree_decl): Add uninlinable bitfield.
916 * c-decl.c (duplicate_decls): Set it.
917 * integrate.c (function_cannot_inline_p): Check it.
919 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
920 DW_AT_MIPS_linkage_name to abstract methods.
921 (dwarf2out_abstract_function): Emit class context before calling
922 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
923 (gen_subprogram_die): Remove obsolete code.
924 (gen_member_die): Don't include clones in the member list.
925 (gen_decl_die): Emit abstract info for clone origin.
926 * dwarfout.c (output_type): Don't include clones in the member list.
927 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
928 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
929 DECL_ABSTRACT on a function that already has it set.
931 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
932 (get_subprogram_die): Pass it in.
934 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
936 * flow.c (mark_set_1): Make not_dead unsigned long. For
937 non-pseudos, use it as a bitmask of the hard regs that
940 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
942 * cppfiles.c: Update comments.
943 (_cpp_read_file): Don't check for NULL filenames any more.
944 * cppinit.c (cpp_start_read): Don't do canonicalization of
945 in_fname and out_fname. Use the passed file name exclusively.
946 (_cpp_handle_options): Don't treat "-" as a command line option,
947 but as a normal filename.
948 (_cpp_post_options): Canonicalize in_fname and out_fname.
949 * cppmain.c (printer_init): Don't check out_fname for NULL.
950 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
951 (init_c_lex): Update, and use "" to represent stdin to CPP.
954 2001-02-20 Will Cohen <wcohen@redhat.com>
956 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
957 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
958 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
961 2001-02-20 Stan Shebs <shebs@apple.com>
963 * config/rs6000/rs6000.c (output_cbranch): Output branches
964 on separate lines instead of using ';' to separate.
966 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
968 * cppinit.c (set_lang): Move builtin handling to...
969 (init_builtins): ...here.
970 (_cpp_create_reader): Move call to set_lang.
972 2001-02-20 Mark Mitchell <mark@codesourcery.com>
974 * stmt.c (expand_return): If an attempt is made to return the
975 error_mar_node, treat the return like a return without a value.
977 2001-02-19 Zack Weinberg <zackw@stanford.edu>
979 * sibcall.c (skip_copy_to_return_value): Call
980 identify_call_return_value here, and return orig_insn if it
981 returns zero. Hardret and softret arguments now unnecessary.
982 (call_ends_block_p): Don't call identify_call_return_value here.
984 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
986 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
987 * ggc.h (ggc_mark_if_gcable): Delete prototype.
989 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
991 * pa.c (move_operand): Accept code to load the address of a
992 symbol out of the DLT as a valid move operand.
993 (print_operand, case 'A'): New to handle generating a DLT
994 reference for a LO_SUM expression.
995 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
996 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
998 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1000 * README, cpp.texi, gcc.texi, version.c: Update version number to
1002 * cpp.1, gcov.1, gcc.1: Regenerate.
1004 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1006 * cppfiles.c (stack_include_file): Generate dependencies
1007 here, and manage include_count here too.
1008 (PRINT_THIS_DEP): Delete.
1009 (_cpp_execute_include): Do not generate dependencies here,
1010 apart from the case of a missing header. Do not manage
1012 (_cpp_read_file): Leave dependency generation to
1015 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1017 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1018 target_cpu_default. Remove dead assignment to
1021 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1023 * regclass.c (contains_reg_of_mode): Make global.
1024 (init_reg_sets): Remove contains_reg_of_mode; take into account
1025 CLASS_MAX_NREGS when looking for the proper mode.
1026 (dump_regclass): Dump only classes considered for the pseudo.
1027 (regclass): Use contains_reg_of_mode.
1029 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1031 * gcc.c (do_spec_1): 'n' for printing notices.
1032 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1034 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1036 * reg-stack.c (next_flags_user): Use current_block->end
1037 (swap_rtx_condition): Look for next user if flags don't die;
1038 give up on CALL_INSNs; use current_block->end.
1040 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1042 * sibcall.c (call_ends_block_p): New function.
1043 (optimize_sibling_and_tail_recursive_call): Use it.
1045 2001-02-18 Kazu Hirata <kazu@hxi.com>
1047 * config/h8300/h8300.md: Update copyright.
1048 (andsi3): Do not output an extra newline character.
1050 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1052 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1053 FNDECL may be unused.
1055 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1056 follow jumps after first run.
1057 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1058 it doesn't change any jumps.
1060 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1062 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1063 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1064 (mostlyclean): Corresponding changes.
1065 * rtlanal.c (hard-reg-set.h): Include.
1066 (rtx_unstable_p): Do not treat the argument pointer specially
1067 if it is not a fixed register.
1068 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1070 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1072 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1073 against last real insn in basic block.
1074 Rework to avoid gotos.
1076 * Makefile.in (gcse.o): Now includes ggc.h.
1077 * gcse.c: Include ggc.h.
1078 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1079 (try_replace_reg): Remove warning of uninitialize variable.
1080 (process_insert_insn): Call invalid_insn_p to validate insn.
1081 * recog.c (insn_invalid_p): Now global.
1082 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1083 * recog.h (insn_invalid_p): New declaration.
1085 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1087 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1088 assignments from FP constants since 'Y' output code can't handle it.
1089 (eligible_for_sibcall_delay): Likewise.
1091 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1092 Call fancy_abort directly, passing args.
1093 (print_rtl_and_abort): Now a macro, like fancy_abort.
1095 * final.c (output_operand_lossage): Use internal_error, not error.
1097 2001-02-18 Shane Nay <shane@agendacomputing.com>
1099 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1100 structure shift insns.
1102 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1104 * invoke.texi (-fsquangle): Remove documentation.
1105 (-fname-mangling-version): Likewise.
1107 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1109 * optabs.c (expand_abs): Remove reference to
1110 HAVE_contitional_arithmetic.
1111 * combine.c (simplify_set): Likewise.
1113 2001-02-18 Richard Henderson <rth@redhat.com>
1115 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1118 2001-02-18 Richard Henderson <rth@redhat.com>
1120 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1122 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1124 * reload1.c (reload_cse_simplify_set): Fix typo.
1126 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1128 * diagnostic.c (_fatal_insn): Decrement errorcount.
1130 * invoke.texi (-I): Add note avoiding use for system header files.
1132 * rtl.h (add_clobbers): Remove duplicate declaration.
1133 * recog.h (added_clobbers_hard_reg_p): New declaration.
1134 * genemit.c (struct clobber_pat): New field has_hard_reg.
1135 (gen_insn): Record if added clobbers clobber hard reg.
1136 (gen_split): Avoid unused warning if number of operands is 0.
1137 (output_added_clobbers_hard_reg_p): New function.
1140 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1142 * pa.c (hppa_expand_prologue): Simplify code storing return
1143 pointer. For large (>=8k) frames with a post_store, adjust stack
1144 pointer by 8k-64 first rather than by 64. When testing with
1145 VAL_14_BITS_P, always use the actual value rather than the value
1146 negated. Add blockage to prevent scheduling of spills before
1147 stack frame has been created.
1148 (hppa_expand_epilogue): Simplify code loading return pointer.
1149 Allow a slightly larger range for merge_sp_adjust_with_load case.
1150 When testing with VAL_14_BITS_P, always use the actual value.
1152 * pa.c (pa_adjust_insn_length): Check that block move
1153 pattern is a set before looking at operands.
1155 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1157 * fold-const.c (fold_binary_op_with_conditional_arg): New
1158 function, split out from ...
1160 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1161 conditional arms that throw exceptions.
1163 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1166 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1168 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1169 define HAVE_DECL_* to 1 to mask potential backup declarations.
1170 * configure: Regenerated.
1172 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1174 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1176 2001-02-17 Richard Henderson <rth@redhat.com>
1178 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1179 when replacing a memory load with a register.
1181 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1182 Jan Hubicka <jh@suse.cz>
1184 * recog.c (validate_replace_src_1): New.
1185 (validate_replace_src_data): Likewise.
1186 (validate_replace_src): Use note_uses.
1187 * rtl.h (note_uses): Declare.
1188 * rtlanal.c (note_uses): New.
1190 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1192 * reg-stack.c (stack_def): Make field reg unsigned.
1193 (remove_regno_note): Unsignetize parameter.
1195 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1197 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1198 shladd_operand() call.
1200 2001-02-16 Bruce Korb <bkorb@gnu.org>
1201 Rodney Brown <RodneyBrown@mynd.com>
1203 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1204 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1205 machine restrictions
1206 * fixinc/fixincl.x: regen
1208 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1210 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1212 (hash_scan_insn): Clean up calls to hash_scan_set.
1213 (compute_kill_rd): REGNO now unsigned.
1214 (try_replace_reg): Rework to use simplify_replace_rtx.
1215 (cprop_jump, cprop_cc0_jump): Likewise.
1216 (cprop_insn): Call find_reg_equal_equiv_note.
1217 Reflect changes to cprop_jump and cprop_cc0_jump.
1219 * recog.c (validate_replace_src): Replace in operands of
1220 ZERO_EXTRACT in SET_DEST.
1222 * cse.c (new_label_ref): New variable.
1223 (insert): Set it instead of recorded_label_ref.
1224 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1225 CODE_LABEL for this function, and not already in REG_LABEL note.
1227 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1229 * resource.c (mark_referenced_resources): Fix typo in introductory
1231 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1234 2001-02-16 Jason Merrill <jason@redhat.com>
1236 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1238 (gen_subprogram_die): Don't abort on seeing a second definition if
1239 the previous one was abstract. Don't replace an abstract instance
1240 in the lookup table.
1242 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1243 gen_abstract_function.
1244 * dwarf2out.h: Declare it.
1245 * toplev.c (note_outlining_of_inline_function): New fn.
1246 * toplev.h: Declare it.
1247 * integrate.c (output_inline_function): Call it.
1248 * c-decl.c (duplicate_decls): Call it when redefining an extern
1249 inline. Don't inline the new defn.
1251 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1253 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1255 * .gdbinit: Rename to gdbinit.in.
1256 * gdbinit.in: New file,
1257 * configure.in: Generate .gdbinit from gdbinit.in.
1258 * configure: Regenerated.
1259 * Makefile.in (distclean): Always remove .gdbinit.
1261 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1263 * objc/objc-act.c (start_class): Register implemented_classes with
1266 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1268 * cppfiles.c (_cpp_make_system_header): Generate a file
1271 2001-02-15 Jim Meyering <meyering@lucent.com>
1273 * Makefile.in (install-common): Don't depend on installdirs here.
1274 Instead, make each of the lang.install-common targets (e.g.,
1275 c++.install-common in cp/Make-lang.in) depend on it.
1276 (install-driver): Depend on installdirs.
1278 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1280 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1282 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1285 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1287 * invoke.texi (--param): Document.
1289 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1291 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1293 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1295 * i386.md (extendsfdf2_2): Fix constraints.
1297 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1299 * i386.md (fop_df_3 splitter): Fix operand number.
1301 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1303 * invoke.texi (-mreg-alloc): Nuke.
1304 * i386.c (ix86_reg_alloc_order, regs_allocated,
1305 order_regs_for_local_alloc): Nuke.
1306 (override_options): Kill reg_alloc code.
1307 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1308 (REG_ALLOC_ORDER): SSE goes before I387.
1309 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1310 (ix86_reg_alloc_order): Likewise.
1311 * i386-protos.h (ix86_reg_alloc_order): Kill.
1313 2001-02-14 Richard Henderson <rth@redhat.com>
1315 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1317 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1319 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1321 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1323 * i386-protos.h (ix86_memory_move_cost): Move offline.
1324 * i386.c (ix86_register_move_cost): Compute properly cost of
1325 SSE, MMX and i387 instructions.
1326 (*_cost): Add costs of SSE/MMX moves.
1327 (ix86_memory_move_cost): Move offline from ....; Likewise.
1328 * i386.h (MEMORY_MOVE_COST): .... here;
1329 (struct processor costs): Add new fields to represent costs
1332 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1334 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1335 move_cost together with Matt Kraai's fix.
1337 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1339 * Makefile.in (OBJS): Add params.o.
1341 2001-02-14 Richard Henderson <rth@redhat.com>
1342 DJ Delorie <dj@redhat.com>
1344 * jump.c (jump_optimize_1): When we delete a conditional jump
1345 preceeding a non-conditional jump to effectively the same place,
1346 make sure that the combined jump skips any clobber insns between
1349 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1351 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1353 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1355 * Makefile.in (toplev.o): Depend on params.h.
1356 (intergate.o): Likewise.
1357 (params.o): New target.
1358 * flags.h (inline_max_insns): Remove.
1359 * integrate.c: Include params.h.
1360 Use MAX_INLINE_INSNS instead of inline_max_insns.
1361 * params.c: New file.
1362 * params.h: Likewise.
1363 * params.def: Likewise.
1364 * toplev.c: Include params.h.
1365 (lang_independent_params): New variable.
1366 (decode_f_option): Use the param machinery instead of setting
1368 (independent_decode_option): Handle "--param name=value".
1369 (main): Register language-independent parameters.
1371 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1373 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1375 2001-02-14 Richard Henderson <rth@redhat.com>
1377 * regclass.c (init_reg_sets_1): Revert last two changes.
1379 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1381 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1382 (variable_size): Call put_pending_size.
1383 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1384 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1385 sizes list, put newly created SAVE_EXPR there as well.
1387 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1389 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1390 (errata_find_address_regs): load_group has only 2 entries.
1391 (errata_emit_nops): Likewise. shladd is not problematic.
1392 Clear last_group if nop was emitted.
1393 (fixup_errata): load_group has only 2 entries.
1396 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1398 * c-lex.c (lex_number): Only warn traditionally for U suffix
1399 outside system macros.
1400 * cppexp.c (parse_number): Similarly.
1401 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1402 * cppmacro.c (struct cpp_macro): New member node.
1403 (parse_args): Only warn about missing rest args if not
1405 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1406 (cpp_sys_objmacro_p): New.
1407 (_cpp_create_definition): Store the node with the macro defn.
1408 Remember if the macro is defined in a system header.
1410 2001-02-13 DJ Delorie <dj@redhat.com>
1412 * configure.in (check_languages): determine languages to check
1413 * Makefile.in (check-c++): alias for check-g++
1414 (check-f77): alias for check-g77
1415 (CHECK_TARGETS): depend on configured languages
1417 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1419 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1420 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1421 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1422 (sqrtextendsfdf2): Disable for SSE2.
1424 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1426 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1427 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1428 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1429 (sqrtextendsfdf2): Disable for SSE2.
1431 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1433 * i386.md (movsfcc_1): Support integer cmove instruction.
1434 (movdfcc_1): Likewise; new splitter.
1436 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1438 * i386.c (output_fp_compare): Support SSE.
1439 (prepare_fp_compare_args): SSE comparisons always support memory.
1440 * i386.h (TARGET_CMOVE): SSE imply cmove.
1441 * i386.md (cmp?f2): Enable for SSE too.
1442 (cmpfp_i*): Support SSE.
1444 (cmpfp_i_sse_only): New.
1445 (s*, b* fp expanters): Enable for SSE too.
1446 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1449 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1451 * regclass.c (init_reg_sets_1): Silence warning.
1453 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1455 * i386.md (sqrt?f2): Change to expander.
1456 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1458 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1460 * rtlanal.c (find_reg_equal_equiv_note): New function.
1461 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1462 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1463 * rtl.h: Add declarations for above functions.
1465 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1467 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1469 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1470 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1471 * flow.c (mark_regs_live_at_end): Likewise.
1472 (calculate_global_regs_live): Likewise.
1473 * gcse.c (compute_hash_table): Likewise.
1474 (compute_kill_rd): Likewise.
1475 * resource.c (mark_target_live_regs): Likewise.
1476 * rtl.h (INVALID_REGNUM): New macro.
1478 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1480 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1482 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1484 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1487 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1489 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1491 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1492 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1493 (fop_sf_1_sse, fop_df_1_sse): New patterns
1494 (fop_*): Disable float_extend and float patterns for SSE compilation.
1495 * i386.c (output_387_binary_op): Support SSE.
1497 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1499 * i386.md (dummy_extendsfdf2): Support SSE2
1500 (extendsfdf2): Enable if 80387 or SSE2.
1501 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1502 and no MIX_I387_SSE2
1503 (extendsfdf2_1_sse_only): New pattern.
1504 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1506 (truncdfsf2_1): Support SSE.
1507 (truncdfsf2_2): Support SSE.
1508 (truncdfsf2_2_1_sse): New pattern.
1509 (fixtruncsfsi2): Always use SSE if available.
1510 (fix_truncsfsi_sse): New pattern.
1511 (fix_truncdfsi_sse): New pattern.
1512 (floatsis?f2): Support SSE.
1513 (floatsidf2_i387): New pattern.
1514 (floatsidf2_sse): Likewise.
1516 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1518 * configure.in: Use "have_gnat" variable, not "gnat".
1519 * configure: Regenerated.
1521 * config/sparc/sparc.c (function_value): Treat all non-record
1522 aggregate types like used to treat UNION_TYPE.
1524 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1526 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1527 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1529 (MASK_MIX_SSE_I387): New.
1530 (TARGET_SSE): SSE2 imply SSE.
1531 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1532 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1533 (enum reg_class): Add new classes.
1534 (REG_CLASS_NAMES): Likewise.
1535 (REG_CLASS_CONTENTS): Likewise.
1536 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1537 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1538 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1539 (CLASS_MAX_NREGS): Use new macros.
1540 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1541 * i386.md (pushsf, movsf): Support SSE.
1542 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1543 splitters to use ANY_FP_REGNO_P.
1544 (movdf_nointeger, movdf_integer): Likewise.
1546 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1548 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1549 (try_combine): Use it.
1551 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1553 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1554 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1555 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1556 (REGISTER_MOVE_COST): Likewise.
1557 * i386-protos.h (ix86_secondary_memory_needed,
1558 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1559 * i386.c (ix86_secondary_memory_needed,
1560 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1562 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1564 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1565 (HARD_REGNO_MODE_OK): Move offline to ....
1566 * i386.c (ix86_hard_regno_mode_ok) ... here;
1567 refuse all incorrect modes.
1568 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1570 2001-02-13 Richard Henderson <rth@redhat.com>
1572 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1573 entire operator; replicate that and match_dup the operands.
1574 (cmp_ccx_arith_op_set): Likewise.
1575 (cmp_cc_arith_op_not_set): Likewise.
1576 (cmp_ccx_arith_op_not_set): Likewise.
1578 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1580 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1582 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1584 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1585 (TARGET_NO_BITFIELD_WORD): New macro.
1586 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1587 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1589 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1591 * cselib.c: New file, from simplify-rtx.c.
1592 * simplify-rtx.c: Remove cselib parts.
1593 * Makefile.in: Add cselib.o.
1595 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1597 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1598 (setup_incoming_varargs): Remove warning.
1600 * config/rs6000/rs6000.c (validate_condition_mode): When
1601 flag_fast_math, allow floating-point conditionals to be reversed.
1602 (rs6000_generate_compare): When flag_fast_math, don't generate
1603 cror operations for FP conditionals.
1605 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1607 (ASM_SPEC): Likewise.
1608 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1609 (CC1_SPEC): Likewise.
1610 (LINK_TARGET_SPEC): Likewise.
1611 (CPP_ENDIAN_SPEC): Likewise.
1612 * Makefile.in (check-consistency): New target.
1614 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1616 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1617 "return type defaults" warning for functions with return type
1619 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1620 function declarations by default rather than only when pedantic.
1622 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1624 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1627 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1629 * extend.texi (Deprecated): Deprecate new initializer lists.
1631 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1633 * mkdeps.c (deps_add_default_target): Robustify. Add
1634 basename component only.
1635 * cpp.texi (-M): Describe how default target is generated.
1636 * invoke.texi (-M): Likewise.
1638 2001-02-12 Kazu Hirata <kazu@hxi.com>
1640 * toplev.c (push_float_handler): Remove.
1641 (pop_float_handler): Remove.
1642 * toplev.h: Remove prototypes for the above functions.
1644 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1646 * c-common.c (constant_fits_type_p): New function.
1647 (convert_and_check): Use it.
1649 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1651 * Makefile.in (GXX_ABI_FLAG): Don't define.
1652 * configure.in (--enable-new-gxx-abi): Remove option.
1653 * config.in: Regenerated.
1654 * configure: Likewise.
1656 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1658 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1660 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1661 regular basic block, and arrange for all edges into it to switch
1664 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1666 * Makefile.in (distclean): Do not remove .gdbinit.
1668 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1670 * Makefile.in (gcc.o): Fix typos.
1671 (protize.o): Likewise.
1672 (unprotoize.o): Likewise.
1674 2001-02-11 Richard Henderson <rth@redhat.com>
1676 * tree.c (build1): Check for null operand in last change.
1678 2001-02-11 Richard Henderson <rth@redhat.com>
1680 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1681 (fold): Don't assume a constant isn't foldable.
1682 * tree.c (build): Set TREE_CONSTANT for an expression with no
1683 side-effects and constant operands.
1686 2001-02-10 Richard Henderson <rth@redhat.com>
1688 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1690 2001-02-10 Anthony Green <green@redhat.com>
1692 * cpp.texi (Standard Predefined): Add documentation for
1695 * c-common.c (combine_strings): Improve warning message.
1697 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1699 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1701 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1703 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1705 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1708 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1710 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1713 2001-02-09 Nick Clifton <nickc@redhat.com>
1715 * config/arm/arm.md: Change output contraint on post inc
1716 load/store multiple patterns to be a read/write contraint.
1718 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1720 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1721 .o files when using the -M options.
1723 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1724 David Edelsohn <edelsohn@gnu.org>
1726 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1727 handle DImode constants. Use one TOC entry for SImode and smaller
1728 constants, aligned properly.
1730 2001-02-08 Jason Merrill <jason@redhat.com>
1732 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1733 about the SP adjustment for saving the static chain pointer.
1734 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1735 offset when setting a temporary CFA register.
1737 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1739 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1740 powerpc-*-chorusos* .
1741 * config/rs6000/chorus.h : New file.
1742 * config/i386/chorus.h : New file.
1743 * config/sparc/chorus.h : New file.
1744 * config/sparc/t-chorus-elf : New file.
1746 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1748 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1749 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1750 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1751 (__WCHAR_TYPE__): Correct macro name.
1753 2001-02-08 Richard Henderson <rth@redhat.com>
1755 * config/i386/i386.c (ix86_frame_pointer_required): New.
1756 (ix86_setup_frame_addresses): New.
1757 (struct machine_funciton): Add accesses_prev_frame.
1758 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1759 ix86_frame_pointer_required.
1760 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1761 (SETUP_FRAME_ADDRESSES): New.
1762 * config/i386/i386-protos.h: Update.
1763 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1764 from FRAME_POINTER_REQUIRED.
1765 * config/i386/svr3gas.h: Likewise.
1766 * config/i386/sysv3.h: Likewise.
1767 * config/i386/v3gas.h: Likewise.
1769 2001-02-08 Richard Henderson <rth@redhat.com>
1771 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1772 calculation of the number of integer registers required.
1773 (function_arg_record_value): Likewise.
1775 2001-02-08 Jason Merrill <jason@redhat.com>
1777 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1778 two. Print file and line with "confused" message.
1780 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1782 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1784 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1786 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1788 * final.c (cleanup_subreg_operands): The address of a MEM can
1791 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1794 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1796 * gcc.texi (Incompatibilities): Update documentation of
1797 preprocessing numbers.
1799 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1801 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1803 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1805 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1807 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1808 * gcc.c (struct compiler): Add cpp_spec field.
1809 (input_file_compiler): New variable.
1810 (do_spec_1): Allow a particular compiler to handle `%C'
1812 (main): Store the current compiler in input_file_compiler.
1813 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1815 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1817 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1818 * cppinit.c (cpp_create_reader): Initialize them.
1819 (append_include_chain): cxx_aware arg might be unused.
1820 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1821 keywords and give them their phase 7 meaning. Pedwarn about
1822 this unless '__bool_true_false_are_defined' is defined.
1824 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1826 * lcm.c (optimize_mode_switching): Emit mode_set before the
1827 JUMP_INSN of an abnormal edge.
1829 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1831 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1832 a scheduling barrier at the end.
1834 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1836 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1838 * config/sh/sh.md (reload_outsf): Removed.
1839 (movsf_ie): Introduce constraints for FPUL loads and stores.
1840 (reload_insf): Broaden the output constraint.
1842 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1844 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1845 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1847 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1849 * final.c: Revert my previous changes.
1850 * output.h: Make profile_label_no extern.
1851 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1852 for generating label.
1854 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1856 * config/i386/djgpp.h: Add comments about standard paths.
1857 (MD_EXEC_PREFIX): Undefine before defining.
1858 (MD_STARTFILE_PREFIX): New.
1860 2001-01-30 Bruce Korb <bkorb@gnu.org>
1862 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1863 (load_file): do not rely on load_file_data() to close file pointer
1864 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1865 fixinc/inclhack.def(irix_limits_const): add test_text
1867 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1869 * cppexp.c (parse_defined): Improve diagnostics for invalid
1872 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1874 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1876 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1878 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1879 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1880 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1881 (rs6000_output_symbol_ref): New function.
1882 (output_toc): Use VTABLE_NAME_P.
1884 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1886 * print-tree.c (print_node, case PARM_DECL):
1887 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1889 * stor-layout.c (reference_types_internal): New variable.
1890 (internal_reference_types): New function.
1891 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1892 * tree.h (internal_reference_types): New declaration.
1894 * cse.c (find_best_addr): Fix typo in computing cost.
1896 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1898 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1899 and this is the sum of a pointer and a constant, we know the result
1901 (num_sign_bit_copies, case PLUS): Likewise.
1902 * explow.c (convert_memory_address): Remove opposite SUBREG.
1903 * function.c (instantiate_new_reg): New function (from common code).
1904 (instantiate_virtual_regs_1): Call it.
1905 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1906 if pointers sign- or zero-extend.
1907 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1908 If pointers extend unsigned, use inside of SUBREG.
1909 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1911 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1913 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1914 subdir of gcc_gxx_include_dir.
1915 (gcc_gxx_target_include_dir): Remove.
1917 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1919 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1920 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1921 a high-level description.
1923 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1925 * final.c: Move the declaration of profile_label_no to ...
1926 * output.h: ... here.
1927 * function.c (expand_function_start): Call PROFILE_HOOK.
1928 * config/rs6000/aix.h: Define PROFILE_HOOK.
1929 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1930 * config/rs6000/rs6000.c (output_profile_hook): Define.
1931 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1932 output_profile_hook.
1933 tm.texi : Explain new macro PROFILE_HOOK.
1935 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1937 * extend.texi (Extended Asm): Do not say that semicolon is always
1938 a valid line-breaking character for GNU assemblers. Use
1939 newline-tab as the most commonly supported syntax. Use
1940 newline-tab rather than semicolon in multi-insn examples.
1942 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1944 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1946 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1947 David Edelsohn <edelsohn@gnu.org>
1949 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1950 code for AIX, even without flag_pic.
1952 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1954 * c-typeck.c (common_type): push and pop binding level around
1955 calling common_type on function parameters.
1957 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1959 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1961 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1963 * config/mips/mips.c (override_options): Fix typo in last change.
1964 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1965 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1967 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1969 * invoke.texi (-fdump-class-layout): Document.
1970 (-fdump-translation-unit): Use `=' as filename separator.
1972 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1974 * Makefile.in (s-mlib): Don't build multilibs if
1976 (DRIVER_DEFINES): Adjust accordingly.
1978 (protoize.o): Likewise.
1979 (unprotoize.o): Likewise.
1980 * configure.in: Recognize --enable-multilib.
1982 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1984 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1986 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1987 * configure.in: Remove --enable-libstdcxx_v3 support.
1988 * configure: Regenerated.
1990 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1992 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1993 Call abort instead of fatal.
1994 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1995 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1996 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1997 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1998 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1999 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2001 * diagnostic.h (set_internal_error_function): Renamed.
2002 * toplev.h (internal_error): Renamed from fatal.
2003 (pfatal_with_name): Deleted.
2004 (fatal_io_error): Now has printf-style arguments.
2005 * diagnostic.c (pfatal_with_name): Deleted.
2006 (fatal_io_error): Rework to have args in printf-style.
2007 (set_internal_error_function): Renamed from set_fatal_function.
2008 (internal_error): Renamed from fatal.
2009 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2010 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2011 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2012 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2013 * flow.c (verify_flow_info): Likewise.
2014 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2015 * config/mips/mips.c (save_restore_insns): Likewise.
2017 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2018 * flow.c (verify_flow_info): Likewise.
2019 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2020 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2021 (avr_normalize_condition): Likewise.
2022 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2023 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2024 (limit_reload_class, double_reg_to_memory): Likewise.
2025 (print_operand_address, emit_1600_code_shift): Likewise.
2026 (gen_tst_reg, gen_compare_reg): Likewise.
2027 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2028 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2030 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2032 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2033 * objc/objc-act.c (build_ivar_chain): Likewise.
2034 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2036 * graph.c (clean_graph_dump_file): Likewise.
2037 * profile.c (init_branch_prob): Likewise.
2038 * objc/objc-act.c (objc_init): Likewise.
2040 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2041 * config/avr/avr.c (avr_override_options): Likewise.
2042 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2043 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2044 * config/h8300/h8300.c (h8300_init_once): Likewise.
2045 * config/mips/mips.c (override_options): Likewise.
2046 * config/i386/i386.c (override_options): Likewise, rework.
2047 * config/m68k/m68k.c (override_options): Likewise.
2049 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2051 * config/mips/mips.c (print_operand): Likewise.
2052 * hash.c (hash_allocate): Don't check for failure returns from
2053 obstack functions that can't fail.
2054 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2055 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2056 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2057 (get_object_reference): Likewise.
2059 2001-02-04 Nick Clifton <nickc@redhat.com>
2061 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2062 StrongARM1110, 10TDMI, and 1020T.
2064 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2066 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2068 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2070 * config/sh/sh.md (movdf load split): Pass register number to
2071 FP_OR_XD_REGISTER_P.
2073 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2075 * cppinit.c (BC): New macro.
2076 (builtin_array): Add __GXX_WEAK__.
2077 * cpplib.h (builtin_type): Add BT_WEAK.
2078 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2079 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2080 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2082 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2084 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2086 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2088 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2089 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2091 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2093 * cpphash.h: Rename ALIGN _ALIGN.
2094 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2096 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2098 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2099 compilation environment.
2100 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2101 control over location of cygwin includes and libs.
2103 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2105 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2107 2001-02-02 lars brinkhoff <lars@nocrew.org>
2109 * md.texi (Standard Names): remove reference to spur.md.
2111 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2113 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2114 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2115 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2116 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2117 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2119 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2121 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2122 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2123 number before reload.
2124 (c4x_adjust_cost): Return zero before reload.
2125 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2126 split before reload.
2128 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2130 * c4x.c (c4x_hard_regno_rename_ok): New.
2131 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2132 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2134 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2136 * diagnostic.h: Add missing "extern" in all declarations.
2138 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2140 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2141 as for gcc_gxx_include_dir.
2143 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2145 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2147 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2149 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2150 label before alignment to be used as the braf base address.
2151 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2153 (casesi_jump_2): Require at least TARGET_SH2.
2155 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2156 truncation to 32-bit doubles on -m3e and -m4-single-only.
2158 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2160 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2161 the default when building a shared object.
2162 (init_spec): Use it.
2163 * testsuite/lib/g++.exp: Include the directory where libgcc
2164 is located to the LD_LIBRARY_PATH list.
2165 * invoke.texi (-shared-libgcc): Document the cases in which
2166 GCC defaults to using the shared libgcc.
2168 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2170 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2171 unsigned is wide enough.
2173 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2174 (si_to_float): Likewise.
2175 (float_to_si, float_to_usi): Use BITS_PER_SI.
2177 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2179 * dwarf2out.c: Added explanation of abbreviations.
2180 (def_cfa_1): Added comments listing DWARF2 instructions.
2181 (cfa_temp_reg): Removed in favor of cfa_temp.
2182 (cfa_temp_value): Removed in favor of cfa_temp.
2183 (cfa_temp): New global variable.
2184 (dwarf2out_frame_debug_expr): Added extensive introductory
2185 comments explaining the function's transformations. Revised to
2186 use cfa_temp. Added some rtx checking. Generalize IOR case.
2187 (dwarf2out_frame_debug): Revised to use cfa_temp.
2188 (output_aranges): Cast as "unsigned" to avoid warning.
2189 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2190 explain which instructions must be marked.
2192 2001-02-01 Richard Henderson <rth@redhat.com>
2194 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2197 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2199 * config/sh/crt1.asm (main_k): Modified so that start calls
2200 ___setup_argv_and_call_main.
2202 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2204 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2205 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2206 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2207 * cppmacro.c (builtin_macro): Set builtin flags here.
2208 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2209 (replace_args): Clarify intent.
2210 (cpp_get_token): Macro expansion tokens get the saved flags.
2212 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2215 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2217 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2220 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2222 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2223 returns Pmode pseudo, but we need ptr_mode.
2224 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2225 Remove bogus conversions; use HOST_WIDE_INT for size.
2226 Don't use TARGET if wrong mode.
2228 * config/i386/i386.c (ix86_compute_frame_size): Allow
2229 stack_alignment_needed to be non-default even if size is zero.
2231 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2233 * (hppa_init_pic_save): Emit the pic offset table
2234 reg save after last_parm_insn.
2235 * pa.c (hppa_init_pic_save): New function.
2236 * pa.h (hppa_init_pic_save): Declare.
2237 * pa.md (call, call_value, sibcall, sibcall_value): Use
2238 the above instead of duplicated code.
2240 * pa.c (hppa_encode_label): Correct size of alloca buffer
2241 so we don't overrun it. Correct leading `*' case.
2242 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2243 need to handle `*@'.
2244 (FUNCTION_NAME_P): Likewise.
2246 2001-01-31 Richard Henderson <rth@redhat.com>
2248 * config.gcc (alpha-osf5): Use float-i128.h.
2250 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2251 * config/float-i32.h: Likewise.
2252 * config/float-i64.h: Likewise.
2253 * config/float-sh.h: Likewise.
2254 * config/float-sparc.h: Likewise.
2256 2001-01-31 DJ Delorie <dj@redhat.com>
2258 * expmed.c (extract_bit_field): allow non-integral modes if we
2259 want to extract a whole register from itself.
2261 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2263 * c-typeck.c (set_init_index): If first is equal to last, assume as
2264 if it was not a range at all.
2266 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2268 * config/fp-bit.c: Include tm.h.
2269 (float_to_si): Don't assume SImode is 32-bits wide.
2270 (float_to_usi): Likewise.
2272 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2274 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2276 (typename): Call pending_xref_error after parsing typed_typespecs.
2277 * c-decl.c (lookup_tag): Give error immediately rather than
2278 leaving it pending if the tag of the wrong type is in the same
2280 (xref_tag): Don't pedwarn for forward declarations of enum types
2282 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2285 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2287 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2289 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2291 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2292 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2294 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2296 * cpphash.h (struct cpp_reader): New saved_flags.
2297 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2298 to avoid a paste after a pasted token.
2300 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2302 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2303 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2304 Wtype_MIN instead of LONG_MIN.
2306 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2308 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2310 * fixinc/fixincl.x: Regenerated.
2311 * fixinc/inclhack.def (irix_limits_const): New definition to
2312 convert "const" to "__const" in limits.h.
2314 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2316 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2318 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2320 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2321 when register dies in the insn.
2323 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2325 * diagnostic.c (fatal): Fix word wrap.
2327 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2329 * combine.c (try_combine): Fix SUBREG setting for
2330 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2332 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2334 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2337 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2339 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2341 * toplev.c (decode_W_option): Update warn_larger_than
2342 unconditionally for each processed switch.
2344 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2346 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2348 (hppa_expand_prologue): Delete code to save pic offset table register
2349 in the function prologue.
2350 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2351 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2352 table register at the beginning of the function after the prologue.
2354 2001-01-29 lars brinkhoff <lars@nocrew.org>
2356 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2358 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2359 Jeff Law <law@redhat.com>
2361 * pa.md (return): Revise comment for trivial return.
2362 (return_internal): Non-trivial return pattern for non-PIC code.
2363 (return_internal_pic): Non-trivial return pattern for PIC code.
2364 It uses the PIC register to ensure it is restored after
2366 (epilogue): Generate appropriate return for PIC and non-PIC code.
2368 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2370 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2372 2001-01-29 DJ Delorie <dj@redhat.com>
2374 * combine.c (if_then_else_cond): Pass the correct mode to
2375 operand_subword() for constants.
2377 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2379 * config/i386/cygwin.h: Add w32api to include search. Search different
2380 directories in a cross-build environment.
2382 2001-11-29 Tim Josling <tej@melbpc.org.au>
2384 * tree.h (TYPE_STUB_DECL): Add documentation.
2386 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2388 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2389 (sdbout_field_types): Likwise. Fix use of host_integerp.
2391 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2393 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2396 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2398 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2399 to use flag_gnu_linker.
2401 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2403 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2404 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2406 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2408 * tree.c, tree.h (build_parse_node): Remove; was identical to
2410 * c-lang.c (start_cdtor), objc/objc-act.c
2411 (build_module_descriptor): Use build_nt instead of
2414 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2416 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2417 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2418 not have any upper bits set.
2420 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2422 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2424 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2426 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2428 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2430 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2431 (integer_minus_one_node): Define.
2433 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2435 * Makefile.in (bootstrap2-lean): Fix typo.
2437 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2439 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2440 : Don't set fe_value.
2441 * cpplib.h (AVOID_LPASTE): New flag.
2442 (struct cpp_hashnode): Remove fe_value.
2443 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2444 * cppmacro.c (builtin_macro): Don't set flags here.
2445 (replace_args): Set AVOID_LPASTE flag on first token of an
2446 argument, and the token following it.
2447 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2448 macro expansion, and on the token following it. Do it for
2450 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2452 2001-01-27 Richard Henderson <rth@redhat.com>
2454 * config/alpha/t-ieee: Remove multilibbing.
2455 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2457 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2459 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2461 * Makefile.in: Remove all dependencies on defaults.h.
2462 * builtins.c: Don't include defaults.h.
2463 * c-common.c: Likewise.
2464 * c-decl.c: Likewise.
2465 * c-pragma.c: Likewise.
2466 * c-typeck.c: Likewise.
2467 * combine.c: Likewise.
2469 * frame-ia64.c: Likewise.
2470 * cppexp.c: Likewise.
2471 * crtstuff.c: Likewise.
2472 * dbxout.c: Likewise.
2473 * dwarf2out.c: Likewise.
2474 * dwarfout.c: Likewise.
2475 * emit-rtl.c: Likewise.
2476 * except.c: Likewise.
2478 * final.c: Likewise.
2479 * frame-dwarf2.c: Likewise.
2480 * libgcc2.c: Likewise.
2481 * optabs.c: Likewise.
2482 * profile.c: Likewise.
2483 * sdbout.c: Likewise.
2484 * toplev.c: Likewise.
2485 * tradcif.y: Likewise.
2487 * varasm.c: Likewise.
2489 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2491 * builtins.c (expand_builtin_fputs): Use size_one_node when
2492 transforming into fwrite.
2494 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2496 * extend.texi (Attribute Syntax): New section.
2498 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2500 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2501 they didn't need fixing.
2503 2001-01-27 Janis Johnson <janis@us.ibm.com>
2505 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2507 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2508 to remove macro definitions that are duplicated from elfos.h.
2510 2001-01-27 Richard Henderson <rth@redhat.com>
2512 * config/i386/sco5gas.h: Move ...
2513 * config/usegas.h: ... here.
2514 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2516 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2518 * c-typeck.c (struct constructor_stack): Add range_stack member.
2519 (really_start_incremental_init): Clear it.
2520 (push_init_level): Save constructor_range_stack and clear it if
2521 pushing explicit braces.
2522 (pop_init_level): abort if constructor_range_stack is non-zero at
2523 explicit closing brace. Restore saved constructor_range_stack if
2526 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2528 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2529 into register was forced into memory.
2531 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2533 * Makefile.in: Remove uses of + before $(MAKE).
2535 2001-01-26 Richard Henderson <rth@redhat.com>
2537 * stmt.c (cost_table): Remove.
2538 (COST_TABLE, cost_table_initialized): New.
2539 (estimate_case_costs): Use the later instead of the former.
2540 (balance_case_nodes): Likewise.
2542 2001-01-26 Richard Henderson <rth@redhat.com>
2544 * alias.c (objects_must_conflict_p): Read-only slots may not
2545 conflict despite having the same type.
2547 2001-01-27 Michael Hayes <mhayes@redhat.com>
2549 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2551 (check_ext_dependant_givs): Initialise u_start_val and
2553 (load_mems): Make last_max_reg unsigned.
2554 (try_swap_copy_prop): Use INSN_P and initialise set.
2556 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2558 * README.AVR : Removed.
2560 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2562 * pa-64.h (text_section): Remove declaration.
2564 * pa.md (return_internal): Remove mode on PIC register use.
2566 2001-01-25 lars brinkhoff <lars@nocrew.org>
2568 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2569 ASM_CLOSE_PAREN): fix typos.
2571 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2573 * acconfig.h: Define `const' to the empty string if neither
2574 __STDC__ nor __cplusplus is defined.
2575 * config.in: Regenerated.
2577 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2579 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2580 * collect2.c (main): Delete importf. Add ".obj" file extension.
2581 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2582 (aix_std_libs): Add additional AIX libraries to skip.
2583 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2584 * config/rs6000/aix51.h: New file.
2586 2001-01-25 Michael Hayes <mhayes@redhat.com>
2588 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2589 (loop_insn_emit_before): No longer static.
2590 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2591 (loop_givs_rescan, load_mems): Likewise.
2592 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2593 (maybe_eliminate_biv_1):
2594 (move_movables): Replace emit_call_insn_before with
2595 loop_call_insn_hoist.
2596 * loop.h (loop_insn_emit_before): Add.
2597 * unroll.c (copy_loop_body): Replace emit_insn_before with
2598 loop_insn_emit_before.
2600 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2602 * diagnostic.c (fatal): Request preprocessed source.
2604 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2606 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2607 olddecl has argument types and newdecl has none, use the argument
2610 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2612 * dwarf2out.c (prefix_of): New function. Determine longest common
2613 prefix of the two arguments. The units are whole path components.
2614 (output_file_names): When adding a new directory find the one entry
2615 with the longest common prefix already in the list. Artificially
2616 generate entry if there is none for this prefix.
2617 Fix test to check whether the zeroth directory entry is used.
2619 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2621 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2622 Changed all callers. Take it into account when deciding if a
2623 previously loaded value matches.
2625 2001-01-24 Richard Henderson <rth@redhat.com>
2627 * reload.c (find_reloads_subreg_address): Fail the substitution
2628 if the resulting address is insufficiently aligned.
2630 2001-01-24 DJ Delorie <dj@redhat.com>
2632 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2633 check the original operand's mode also.
2634 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2636 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2638 * c-parse.in (cast_expr): Move compound literals from here ...
2639 (primary): ... to here. Use standard terminology "compound
2640 literal" instead of "constructor expression".
2642 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2644 * gcc.1, cpp.1: Regenerate.
2646 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2648 * calls.c (emit_library_call_value_1): Memory slot for
2649 pass-by-reference argument should have the mode of the argument,
2650 not of the pointer to it.
2652 2001-01-24 Tom Tromey <tromey@redhat.com>
2654 * gcc.texi (G++ and GCC): Mention gcj manual.
2655 (Standards): Link to section of manual mentioning gcj/Java
2658 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2660 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2661 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2662 * tradcpp.c (main): Add -imacros or -include'd dependencies
2664 * cpp.texi (-M, -MM): Document -M -include behaviour.
2666 2001-01-24 Roger Collins <roger@ProProject.com>
2668 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2670 2001-01-24 Will Cohen <wcohen@redhat.com>
2672 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2673 whether registers are 32 bits or 64 bits in size.
2675 2001-01-24 Ben Elliston <bje@redhat.com>
2677 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2679 2001-01-24 Richard Henderson <rth@redhat.com>
2681 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2682 (builtin_longjmp): Use it instead of emit_indirect_jump.
2684 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2686 * bb-reorder.c (make_reorder_chain_1): Handle case where
2687 jump edge goes to the same block as the fallthru edge.
2689 2001-01-23 Jim Wilson <wilson@redhat.com>
2691 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2692 * frame.h (__ia64_personality_v1): Add prototype.
2693 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2694 prototype form. Add void * cast to first argument to personality
2696 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2697 (asctoe113): Likewise.
2698 * config/ia64/frame-ia64.c: Include eh-common.h.
2699 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2701 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2703 (itanium_split_issue): Add prototype.
2704 (gen_nop_type): Ifdef out.
2705 (find_best_packet): Initialize best_packet.
2706 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2708 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2709 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2710 (flushrs): Add explicit stop bit at end.
2711 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2714 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2716 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2718 * libgcc2.c (__terminate_func): Make variable static.
2719 (__terminate_set_func): New function to set __terminate_func.
2720 * libgcc2.h (__terminate_func_ptr): New typedef.
2721 (__terminate_set_func): New function.
2723 2001-01-23 Richard Henderson <rth@redhat.com>
2725 * flow.c (init_propagate_block_info): Don't consider unchanging
2726 memories for dead frame store elimination.
2728 2001-01-23 Richard Henderson <rth@redhat.com>
2730 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2731 * defaults.h: ... here.
2733 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2735 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2737 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2739 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2741 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2743 * rs6000.h (rs6000_return_addr): Move prototype from here...
2744 * rs6000-protos.h (rs6000_return_addr): ...to here.
2745 (rs6000_init_expanders): Delete prototype.
2747 2001-01-23 Nick Clifton <nickc@redhat.com>
2749 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2750 (Spec Files): Document %B and %j and %. and %v3 and %M and
2751 %{S*&T} spec switches.
2753 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2755 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2757 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2758 Neil Booth <neil@daikokuya.demon.co.uk>
2760 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2761 Have -Werror make pedantic warnings errors, like the
2764 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2766 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2768 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2770 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2771 * integrate.c (expand_inline_function): Initialize them.
2772 (subst_constants): If changing COMPARE so that both its arguments
2773 will be VOIDmode and the comparison mode will be lost, note
2774 compare_mode. Use the recorded compare_mode to optimize
2777 2001-01-23 Jason Merrill <jason@redhat.com>
2779 * dwarf2out.c (new_die): Use xcalloc.
2780 (output_die): Abort rather than emit a local reference to offset 0.
2782 2001-01-17 Andrew Haley <aph@redhat.com>
2784 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2785 of a saved register; return NULL instead.
2786 (copy_reg): Take a pointer to a source register rather than a
2788 (next_stack_level): Remember the address in the stack frame of all
2790 Use the saved register pointer array as the source of the CFA.
2791 (throw_helper): Rewrite. Unwind once rather than twice and keep
2792 track of saved registers as we go.
2794 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2796 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2797 * c4x.c (c4x_legitimize_reload_address): Remove.
2798 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2799 reload address for ldp(k) insn.
2801 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2803 * pa.md (return_internal): Add a USE of the PIC register to ensure
2804 it is restored after each call.
2805 (return expander): Corresponding changes.
2807 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2809 * rs6000.h (INIT_EXPANDERS): Delete.
2810 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2811 * rs6000.c (rs6000_override_options): Call *_machine_status from
2813 (rs6000_init_expanders): ...instead of here. Delete.
2814 (rs6000_mark_machine_status): New function.
2815 (rs6000_init_machine_status): Use xcalloc.
2816 (rs6000_return_addr): Generate RTX for the return address.
2817 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2818 (rs6000_stack_info): Use it.
2820 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2822 * gthr-win32.h: Include errno.h to get a declaration for
2823 EINVAL and _mingw.h if the target is mingw32.
2825 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2827 * cpp.texi: Correct typos.
2829 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2831 * explow.c (probe_stack_range): Ensure value passed to
2832 stack_check_libfunc is ptr_mode, not Pmode.
2834 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2836 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2837 case, don't use operand_subword to calculate a SUBREG that is
2840 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2842 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2844 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2845 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2846 valid. If not replace it by equivalent insns.
2848 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2850 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2851 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2852 (c4x_U_constraint, symbolic_address_operand): Likewise.
2853 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2855 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2856 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2857 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2858 anulling slot because of silicon bug.
2859 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2861 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2863 * cppexp.c (parse_charconst): Change `mask' type to agree
2866 2001-01-21 Richard Henderson <rth@redhat.com>
2868 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2869 pic_label_name in a linkonce section.
2871 2001-01-17 Philipp Thomas <pthomas@suse.de>
2873 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2875 * configure: Regenerate.
2877 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2879 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2880 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2882 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2884 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2885 If REVERSE nonzero then condition code in X must be reversed.
2886 (encode_section_info): Optimise if/else.
2887 (avr_function_value): Fix formatting.
2889 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2890 (difficult_branch): Likewise.
2891 (rvbranch): Likewise.
2892 (difficult_rvbranch): Likewise.
2894 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2896 * config/avr/libgcc.S: Fix comment.
2898 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2900 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2902 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2904 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2906 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2908 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2909 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2910 * configure, config.in: Regenerate.
2911 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2912 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2913 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2914 (doprint.o): New rule.
2916 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2918 * c-typeck.c (digest_init): Handle boolean types as scalars.
2920 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2922 * stmt.c (expand_return): Don't return anything if size is zero.
2923 Delete redundant assignment to BYTES.
2924 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2926 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2928 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2929 the same as the default library function names.
2930 * config/avr/avr.md: Document special characters after '%'.
2931 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2932 knowing which of the call-used registers are really clobbered.
2933 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2934 New. Both quotient and remainder from one libgcc.S call.
2935 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2936 clobber as few registers as possible.
2937 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2939 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2941 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2942 context of the top of the stack.
2944 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2946 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2947 (fixup_var_refs_insns): ...here.
2949 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2951 * function.c (fixup_var_refs_insns): Break up into
2952 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2953 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2954 [loop over hash table entries].
2955 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2956 fixup_var_refs_insns_with_hash, to match above changes.
2958 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2960 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2961 (libgcc.a): Likewise.
2962 (stmp-multilib): Likewise.
2963 (STAGE2_FLAGS_TO_PASS): Likewise.
2965 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2967 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2968 temporary if no_new_pseudos.
2970 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2972 * cppinternals.texi: Update.
2974 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2976 * arm.c (arm_init_builtins): Re-enable builtins.
2978 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2980 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2981 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2982 element to be null, and always expect an EXPR_LIST.
2983 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2984 * sched-deps.c (sched_analyze_1): Likewise.
2985 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2987 * regclass.c (max_set_parallel): New variable.
2988 (reg_scan): Take it into account in computation of max_parallel.
2989 (reg_scan_mark_refs, case SET): Compute it.
2991 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2993 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2994 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2996 2001-01-19 Jason Merrill <jason@redhat.com>
2998 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2999 for the abstract instance of an inline function.
3001 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3002 J"orn Rennecke <amylaar@redhat.com>
3004 * reload1.c (move2add_note_store): Treat all registers directly or
3005 indirectly derived from a base register as members of the same set
3007 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3008 of base register into account.
3010 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3012 * alias.c (find_base_value): Recognize TRUNCATE.
3013 (record_set): In PLUS case, invalidate if other summand is also a
3016 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3018 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3019 entry to be EXPR_LIST.
3020 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3021 be an EXPR_LIST (but not null, which other code doesn't allow).
3022 (note_stores): Properly handle PARALLEL in SET.
3023 Recursively call for top-level PARALLEL.
3024 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3025 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3027 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3029 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3031 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3032 not pfile->skipping (== 0).
3034 2001-01-17 Nick Clifton <nickc@redhat.com>
3036 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3039 2001-01-17 Jim Wilson <wilson@redhat.com>
3041 * invoke.texi (IA-64 options): Improve.
3043 2001-01-17 Tom Tromey <tromey@redhat.com>
3045 * invoke.texi (Optimize Options): Use `{}' to around @samp
3048 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3050 * invoke.texi (-fno-guess-branch-probability): New option.
3052 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3054 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3055 case of making new double-word constant.
3056 Revert last change: instead just test i3_subst_into_i2.
3058 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3060 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3061 Use q constraints instead of r.
3063 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3065 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3066 (machine_function): Define.
3067 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3068 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3069 pa_free_machine_status): New functions.
3070 (override_options): Set {init,mark,free}_machine_status to above.
3071 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3072 PIC_OFFSET_TABLE_REGNUM_SAVED.
3073 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3074 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3075 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3076 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3077 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3079 2001-01-15 DJ Delorie <dj@redhat.com>
3081 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3085 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3087 * flow.c (propagate_on_insn): Make trying to delete a prologue
3088 or epilogue insn an ICE, not a warning. Allow doing this if
3089 the current function returns with stack pointer depressed.
3091 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3092 I3 having more than one SET.
3094 2001-01-16 Jim Wilson <wilson@redhat.com>
3096 * invoke.texi: Document IA-64 options.
3098 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3099 (fixup_errata): Delete TARGET_A_STEP use.
3100 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3101 (TARGET_SWITCHES): Delete -ma-step option.
3102 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3103 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3104 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3105 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3106 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3107 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3109 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3110 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3111 cmovsi_internal): Delete ! TARGET_A_STEP check.
3113 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3115 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3116 possibility to report bugs via postal mail. Change a URL and
3117 merge in a nearly duplicate statement...
3118 (Bug Reporting): ...from here.
3119 (Service): Refer to the Bug Reporting section instead of
3121 (Contributing): Remove trivial explanations concerning snapshots.
3123 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3125 * cppmain.c (general_init): Don't use ANSI prototype.
3127 2001-01-16 Tom Tromey <tromey@redhat.com>
3129 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3131 2001-01-16 Richard Henderson <rth@redhat.com>
3133 * config/i386/i386.h: Fix comment typo.
3134 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3135 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3137 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3139 * gcc.c: Revert previous -fsyntax-only-related change; move
3142 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3144 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3145 inmode after checking GET_CODE (op).
3147 2001-01-16 Richard Henderson <rth@redhat.com>
3149 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3150 (MAX_MEM_SET_LIST_LEN): New.
3151 (propagate_one_insn): Update mem_set_list_len.
3152 (invalidate_mems_from_autoinc): Likewise.
3153 (invalidate_mems_from_set): Likewise.
3154 (mark_used_regs): Likewise.
3155 (init_propagate_block_info): Likewise. Stop collecting memories
3156 when we reach MAX_MEM_SET_LIST_LEN.
3157 (mark_set_1): Likewise.
3159 2001-01-16 Richard Henderson <rth@redhat.com>
3161 * unroll.c (precondition_loop_p): Fail if no iteration
3164 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3166 * gcc.c: When -fsyntax-only is given, do not complain about
3169 2001-01-15 Richard Henderson <rth@redhat.com>
3171 * config/i386/i386.c (asm_output_function_prefix): Remove.
3172 (ix86_asm_file_end): New.
3173 (load_pic_register): Generate pic_label_name into a
3174 staticly allocated buffer.
3175 * config/i386/i386-protos.h: Update.
3176 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3177 (ASM_FILE_END): New.
3178 * config/i386/i386afe.h: New file.
3179 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3180 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3181 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3182 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3183 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3184 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3185 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3187 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3189 * Makefile.in (install-man): Remove explicit dependency on
3192 * configure.in, configure: Revert previous patch requiring perl
3195 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3197 * toplev.c (flag_guess_branch_prob): New.
3198 (f_options): Add guess-branch-probability option.
3199 (rest_of_decl_compilation): Only estimate branch probability if
3201 (main): set flag_guess_branch_prob.
3203 * flags.h (flag_guess_branch_prob): New.
3205 2001-01-15 DJ Delorie <dj@redhat.com>
3207 * gcc.texi (Makefile): Add documentation for Makefile targets.
3209 2001-01-15 Philip Blundell <philb@gnu.org>
3211 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3213 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3214 (is_pic): Delete declaration.
3215 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3216 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3217 * config/arm/arm.md (builtin_setjmp_receiver): New.
3219 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3221 * arm.c (use_return_insn): Don't try to determine the function type
3222 until after reload has completed.
3223 (arm_output_epilogue): Don't adjust the sp value recovered from the
3225 (emit_multi_reg_push): Don't record dwarf information for the pc.
3226 * arm.md (eh_epilogue): The function type may have changed, so it
3227 needs to be recalculated.
3228 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3229 unwind tables on arm/netbsd.
3231 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3233 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3234 (negated_cbranchsi4): Likewise.
3236 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3238 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3239 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3240 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3241 pass -mapcs-* options to assembler.
3242 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3243 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3244 (ASM_SPEC): Call subtarget_extra_asm_spec.
3246 2001-01-15 Andreas Jaeger <aj@suse.de>
3248 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3250 (ix86_expand_builtin): Likewise.
3252 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3253 warning about comparison between signed and unsigned.
3255 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3257 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3259 2001-01-14 Ralf Baechle <ralf@gnu.org>
3261 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3262 SUBTARGET_CPP_SPEC apropriatly.
3264 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3266 * varasm.c (make_decl_rtl): Fix typo in last change.
3268 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3270 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3271 linker supports the init_priority C++ attribute.
3272 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3273 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3274 linker does not support init_priority C++ attribute.
3276 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3278 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3280 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3282 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3283 * cp/lex.c (finish_parse): Similarly.
3284 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3285 Return the number of errors encountered.
3286 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3287 * cppmain.c (main): Don't call cpp_destroy.
3289 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3291 * configure.in: Require at least perl 5.6.0 to regenerate
3293 * configure: Regenerate.
3295 2001-01-14 Richard Henderson <rth@redhat.com>
3297 * genrecog.c (DT_veclen_ge): New.
3298 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3299 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3300 (nodes_identical_1): Handle DT_veclen_ge.
3301 (write_cond, debug_decision_2): Likewise.
3303 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3305 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3307 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3309 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3311 * cppmain.c (do_preprocessing): New function; most of the old
3313 (main): Call it to do most of the work.
3314 (cb): Move from global scope to set_callbacks ().
3315 (setup_callbacks): Get the callback pointer.
3316 (general_init, printer_init): Clean up code and comments.
3318 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3320 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3323 2001-01-14 Kazu Hirata <kazu@hxi.com>
3325 * config/h8300/h8300.c (get_shift_alg): Update comments.
3327 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3329 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3330 (alloc_page, ggc_alloc): Add casts to remove warnings.
3332 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3334 * combine.c (simplify_comparison): Don't change `code' when
3335 can't reverse comparison.
3337 2001-01-14 Richard Henderson <rth@redhat.com>
3339 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3340 update all call sites. Return true for all non-label constants.
3342 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3344 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3346 (ix86_expand_branch): Update.
3347 (ix86_expand_setcc): Update to handle multiple test conditions.
3348 (expand_int_movcc): Likewise.
3349 (expand_fp_movcc): Likewise.
3350 * i386-protos.h (ix86_expand_compare): New.
3351 * i386.md (andqi_?_slp, orqi_?_slp): New.
3352 (conditional trap expander): Update call to ix86_expand_compare.
3354 2001-01-14 Richard Henderson <rth@redhat.com>
3356 * config/vax/vax.md: Use nonimmediate_operand instead of
3357 general_operand in destinations.
3359 * config/vax/vax.md (indirect_jump): Use register_operand.
3361 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3362 * config/vax/vax.md (call_pop): Turn into an expander.
3363 (call_value_pop): Likewise.
3364 (call, call_value): New.
3366 2001-01-14 Andreas Jaeger <aj@suse.de>
3368 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3370 (ix86_fp_compare_mode): Add unused attribute.
3371 (ix86_expand_fp_movcc): Remove unused variable.
3372 (ix86_expand_builtin): Make fcode unsigned.
3374 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3375 (expand_expr): Add cast to avoid signed warning.
3376 (store_field): Likewise.
3377 (store_constructor_field): Likewise.
3378 (store_constructor): Likewise.
3379 (store_expr): Likewise.
3380 (clear_storage): Likewise.
3381 (emit_group_store): Likewise.
3382 (emit_group_load): Likewise.
3384 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3386 * c-common.c: Move format checking code to ...
3387 * c-format.c: ... here. New file. Reorder some functions and
3389 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3391 * c-common.h (decl_handle_format_attribute,
3392 decl_handle_format_arg_attribute): Declare.
3393 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3394 (c-common.o): Adjust dependencies.
3395 (c-format.o): New list of dependencies.
3397 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3399 * unroll.c (loop_iterations): If we cannot prove iteration variable
3400 is set once in each iteration, punt.
3402 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3404 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3405 (*strlenhi): Remove clobber (which was buggy) of output address.
3407 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3409 * Makefile.in (generated-manpages): Add gcc.1
3410 ($(srcdir)/gcc.1): New target.
3411 (maintainer-clean): Delete $(srcdir)/gcc.1.
3412 * gcc.texi: Add macros @gccoptlist and @gol.
3413 * invoke.texi: Include option summary in manpage. Mark up option
3414 summary with @gccoptlist and @gol. Use @r in one place where
3416 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3417 * gcc.1: Generate from invoke.texi.
3419 2001-01-13 Richard Henderson <rth@redhat.com>
3421 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3422 (struct page_entry): Add group member.
3423 (struct page_group): New.
3424 (struct globals): Add page_groups member.
3425 (alloc_anon): Only define for using mmap; remove valloc call.
3426 (page_group_index): New.
3427 (set_page_group_in_use): New.
3428 (clear_page_group_in_use): New.
3429 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3430 (free_page, release_pages): Likewise.
3431 * configure.in (with-gc): Default to ggc-page always.
3433 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3435 * reload1.c (replace_pseudos_in_call_usage): Use
3436 reg_equiv_constant and reg_equiv_address, and don't try
3437 regno_reg_rtx first.
3439 2001-01-13 Richard Henderson <rth@redhat.com>
3441 * ggc-page.c (alloc_page): Round up allocation size to one page.
3442 Set e->order on extra pages.
3444 2001-01-13 Richard Henderson <rth@redhat.com>
3446 * genrecog.c (nodes_identical): Expand commentary.
3447 (write_switch): Watch out for identical nodes.
3449 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3451 * cppfiles.c (_cpp_fake_include): New function.
3452 * cpphash.h (_cpp_fake_include): New.
3453 * cpplib.c (do_line): Call _cpp_fake_include when entering
3454 header files in preprocessed input.
3455 * cppmain.c (cb_pragma_implementation): Remove handling.
3456 (setup_callbacks): Don't register pragmas.
3458 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3460 * extend.texi: Udate for CPP.
3462 2001-01-13 Andreas Jaeger <aj@suse.de>
3464 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3466 * regmove.c: Add prototype for replace_in_call_usage.
3468 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3470 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3471 struct cpp_chunk, struct htab, struct toklist,
3472 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3473 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3474 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3475 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3476 (struct macro_args): Delete.
3477 * cpphash.h: See above.
3479 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3481 * cppmain.c (struct printer): Remove no_line_dirs.
3483 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3484 : Use options rather than CPP_OPTION.
3485 (setup_callbacks): Use cb rather than pfile->cb.
3486 (main): No need to check for a buffer. Use cpp_errors.
3487 (printer_init): Don't set no_line_dirs.
3488 (maybe_print_line): Use options not no_line_dirs.
3489 (cb_file_change): Don't call print_line if -P.
3491 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3493 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3495 * c-parse.in (finish_parse): Use cpp_errors.
3496 (__yylex): Use return value of cpp_pop_buffer.
3497 * cp/lex.c (finish_parse): Use cpp_errors.
3498 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3500 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3502 * README.AVR: URLs corrected.
3504 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3506 * c-decl.c (start_function): Don't warn if old prototype is builtin
3507 that's not in C's namespace.
3508 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3509 (_bb): Add prototype for ctime.
3510 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3512 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3514 * i386.c (ix86_fp_comparison_arithmetics_cost,
3515 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3516 ix86_fp_comparison_cost): New functions.
3517 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3518 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3519 two-branch sequences; make static.
3520 (ix86_use_fcomi_compare): Do decision according to the costs.
3521 (split_fp_branch): New.
3522 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3523 * i386-protos.h (ix86_expand_fp_compare): Remove
3524 (ix86_split_fp_branch): Declare.
3526 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3527 and ix86_comparison_operator.
3529 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3532 * i386.c (put_condition_code): Output properly the unordered/ordered
3533 compares in fp case.
3534 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3536 * tm.texi (REVERSE_CONDITION): Document.
3537 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3538 in -ffast-math mode.
3539 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3541 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3543 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3545 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3548 * config/sh/sh.c (mova_p): Fix test for mova_const.
3550 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3552 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3553 cpp_get_options rather than dereferencing pfile and using
3555 * scan-decls.c (scan_decls): Use return value of
3556 cpp_pop_buffer rather than CPP_BUFFER.
3558 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3560 * cppinit.c (cpp_handle_option): help_only is now part of the
3561 cpp_options structure.
3562 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3563 cpp_set_callbacks): New functions.
3564 * cpplib.h (cpp_callbacks): Break out as a named structure.
3565 (cpp_options): Move help_only here from cpp_reader.
3566 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3567 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3568 cpp_set_callbacks): New prototypes.
3569 * cppmain.c (main): Update for help_only.
3571 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3573 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3574 Also build and remove and install and uninstall c-tree.info and
3576 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3577 ($(srcdir)/cppinternals.info): New target.
3578 * c-tree.texi: Change file name used when makeinfo used without -o
3579 from ir.info to c-tree.info. Add info directory entry.
3580 * cppinternals.texi: Add info directory entry.
3581 * .cvsignore: Update.
3583 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3585 * c-typeck.c (store_init_value): Don't require constant initializer
3586 elements with -pedantic -std=c99.
3587 (digest_init): Change error about non-constant initializer elements
3589 (constructor_range_end): Remove.
3590 (constructor_incremental, designator_depth,
3591 designator_errorneous): New variables.
3592 (struct constructor_stack): Remove range_end, add incremental.
3593 (struct constructor_range_stack, constructor_range_stack): New.
3594 (struct initializer_stack): Add constructor_range_stack.
3595 (finish_init): Set it.
3596 (start_init): Likewise. require_constant_elements for non-static
3597 trees only if not flag_isoc99.
3598 (really_start_incremental_init): Remove constructor_range_end, add
3599 constructor_incremental.
3600 (pop_init_level): Likewise.
3601 (push_init_level): Likewise. If implicit and the subobject had some
3602 value set already, preinitialize the level with it.
3603 Warn about missing braces only if not pushing due to designators.
3604 (set_designator, push_range_stack): New functions.
3605 (set_init_label): Use them.
3606 (set_init_index): Likewise. Remove constructor_range_end.
3607 Error if designator index is outside of array bounds.
3608 (add_pending_init): Compare values of purpose index trees, not the
3609 trees themselves. Allow overwriting of already initialized element.
3610 Issue a warning if it had side-effects.
3611 (set_nonincremental_init, set_nonincremental_init_from_string): New
3613 (pending_init_member): Rename to...
3614 (find_init_member): ...this function. Call set_nonincremental_init
3615 if necessary. Compare values of purpose index trees, not the trees
3616 themselves. Return the actual value, not just non-zero if something
3618 (output_init_element): Remove checks for duplicates.
3619 If field has zero size, only check the initializer for correctness.
3620 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3621 if constructor_incremental is zero. Change error about initializers
3622 not computable at load time into pedwarn.
3623 (output_pending_init_elements): Compare bit positions, not
3624 FIELD_DECLs to take into account zero-sized fields.
3625 (process_init_element): Use constructor_range_stack to fill all
3626 ranges in the designator lists from current level up.
3627 * extend.texi: Update documentation for labeled elements.
3629 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3631 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3632 to function usage for arguments passed by reference. Optimize
3633 callee-copied arguments.
3634 * regmove.c (replace_in_call_usage): New function.
3635 (fixup_match_1): Call it.
3636 * cse.c (cse_insn): Canonicalize registers in function usage.
3637 * reload1.c (replace_pseudos_in_call_usage): New function.
3640 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3643 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3645 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3648 2001-01-12 DJ Delorie <dj@redhat.com>
3650 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3651 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3654 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3656 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3657 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3658 -std options alongside references to -ansi. Update some
3659 documentation for C99.
3660 * cpp.1: Regenerate.
3662 2001-01-12 Andreas Jaeger <aj@suse.de>
3664 * haifa-sched.c (restore_line_notes): Remove argument block B
3666 * sched-ebb.c (schedule_ebb): Change caller.
3667 * sched-rgn.c (schedule_region): Likewise.
3668 * sched-int.h (restore_line_notes): Adjust prototype.
3670 * loop.h: Remove wrong declaration of doloop_condition_get.
3672 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3674 * extend.texi: Move C++-extension-related node from the C section
3675 into the C++ section.
3677 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3679 * extend.texi: Refer to an array of pointers to functions instead
3680 of one of functions.
3682 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3683 Jan Hubicka <jh@suse.cz>
3685 * combine.c (reversed_comparison): Fix typo in last patch.
3687 (combine_reversed_comparison_code): Make static to follow
3688 prototype declaration.
3690 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3692 * install.texi: Remove misplaced duplicate entry.
3694 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3696 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3698 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3700 * final.c: (leaf_function_p): Fix typo.
3702 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3704 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3705 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3707 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3708 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3709 mmap_anon, and valloc is available.
3710 * ggc-page.c: Restructure ifdef logic to match new autoconf
3711 spec. Don't throw away the test page in init_ggc.
3713 * configure, config.in: Regenerate.
3715 2001-01-12 Michael Hayes <mhayes@redhat.com>
3717 * loop.h (total_biv_increment): Constify iv_class pointer.
3718 (struct induction): Replace `mem_mode' with `mem' rtx.
3719 * unroll.c (total_biv_increment): Constify iv_class pointer.
3720 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3721 (find_mem_givs, combine_givs_p): Likewise.
3722 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3724 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3726 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3728 (__gthread_getspecific): Ditto.
3730 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3732 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3733 put_condition_code): Convert fp comparison codes to integer
3735 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3738 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3739 * i386-protos.h (no_comparison_operator): Kill.
3741 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3743 * combine.c (REVERSIBLE_CC_MODE): Remove.
3744 (reversible_comparison_p): Remove.
3745 (combine_reversed_comparison_code): New.
3746 (reversed_comparison): New.
3747 (combine_simplify_rtx): Use
3748 combine_reversed_comparison_code/reversed_comparison instead
3749 of reversible_comparison_p.
3750 (simplify_if_then_else): Likewise.
3751 (simplify_set): Likewise.
3752 (simplify_logical): Likewise.
3753 (if_then_else_cond): Likewise.
3754 (known_cond): Likewise.
3755 (simplify_comparison): Likewise.
3757 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3759 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3760 sizeof (int) is larger than sizeof(__word__).
3762 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3764 * cppinit.c (do_includes): Fix typo.
3766 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3768 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3769 in S_REGS does not occur because not all sources are possible
3770 when a S_REGS is a destination (sometimes needs a clobber).
3771 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3772 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3773 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3774 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3775 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3776 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3777 (lshrdi_const1, lshrsi3_const16): Likewise.
3778 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3779 (*movhi_68hc12, *movqi_68hc12): Likewise.
3780 (movstrictqi): Make sure reloading in D_REGS as a destination
3783 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3785 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3787 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3789 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3790 -D, -U and -A, and don't initialize the builtins.
3791 (do_includes): Error if -include or -imacros with -fpreprocessed.
3792 * cppmain.c (cb_define, cb_undef): Unconditionally process
3794 * tradcpp.c (main): Fix typo.
3796 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3798 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3799 (read_name_map): Use IS_ABSOLUTE_PATH.
3800 * tradcpp.c (get_filename): Likewise.
3802 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3804 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3805 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3806 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3807 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3808 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3809 (cmphi_z_used): Don't use '@' for the output.
3810 (tstqi_z_used): Likewise.
3811 (cmpqi_z_used): Likewise.
3812 (one_cmplsi2): Likewise.
3814 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3816 * config/sh/sh.c (barrier_align): Recognize branch around far
3817 branch and redundant insn.
3819 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3821 * invoke.texi: Restore documentation of the drivers' switches -MD
3824 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3826 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3828 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3829 check-objc//%): Support parallel testing of multilibs.
3830 (TESTSUITEDIR): Set to testsuite by default, but override for
3832 (check-gcc, check-g++, check-g77, check-objc): Enter
3835 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3837 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3838 * sched-deps.c (deps_may_trap_p): Likewise.
3839 * basic-block.h: Remove a comment.
3840 * flow.c (PROP_POSTRELOAD): Remove.
3841 (update_life_info): Don't add it to prop_flags.
3842 (mark_set_1): Lose the code that was enabled by it.
3844 2001-01-11 Michael Hayes <mhayes@redhat.com>
3846 * flow.c (flow_call_edges_add): New.
3847 * basic_block.h (flow_call_edges_add): New.
3849 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3851 * reload1.c (move2add_note_store): Update reg_set_luid even if
3852 base reg remains the same.
3854 2001-01-10 Nick Clifton <nickc@redhat.com>
3856 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3857 machine_function structure to zero.
3858 Add prototypes for machine_status functions.
3860 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3862 * c-common.h (CTI_VOID_LIST): Remove.
3863 (void_list_node): Likewise.
3864 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3865 (void_list_node): New macro.
3866 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3867 * config/i386/i386.c (ix86_init_builtins): Likewise.
3868 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3870 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3872 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3873 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3875 * tradcpp.c: Include mkdeps.h.
3876 (deps, print_deps_phony_targets, deps_append, output_deps,
3877 init_dependency_output, output_deps): New.
3878 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3879 deps_output): Delete.
3880 (print_deps_missing_files): Rename deps_missing_files.
3881 (inhibit_output): Make global.
3882 (main): Delete inhibit_output, deps_stream, deps_target.
3883 Use mkdeps functionality in the same way as cpplib. Remove
3884 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3885 -M and -MM. Remove old handling of deps via deps_out, and
3886 old reading of environment variables.
3887 (get_filename): Update to use deps_add_dep.
3889 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3891 * output.h (make_function_rtl): Remove prototype.
3892 (make_decl_rtl): Likewise.
3893 * varasm.c (make_function_rtl): Remove.
3894 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3895 than from a third parameter.
3896 * tree.h (make_decl_rtl): Remove last parameter.
3897 * c-decl.c (builtin_function): Remove last argument in call to
3898 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3899 (start_function): Likewise.
3900 * except.c (call_get_eh_context): Likewise.
3901 * expr.c (emit_block_move): Likewise.
3902 (clear_storage): Likewise.
3903 * profile.c (output_func_start_profiler): Likewise.
3904 * toplev.c (rest_of_decl_compilation): Likewise.
3905 * objc/objc-act.c (create_builtin_decl): Likewise.
3906 (synth_module_prologue): Likewise.
3907 (generate_static_reference): Likewise.
3908 (build_selector_reference_decl): Likewise.
3909 (build_class_reference_decl): Likewise.
3910 (build_objc_string_decl): Likewise.
3911 (build_protocol_reference): Likewise.
3913 2001-01-10 Richard Henderson <rth@redhat.com>
3915 * hwint.h: Revert yesterday's change.
3917 2001-01-10 Nick Clifton <nickc@redhat.com>
3919 * function.h (save_machine_status): Delete.
3920 (restore_machine_status): Delete.
3921 Amend comment describing {init|mark|free}_machine_status.
3923 * function.c (save_machine_status): Delete.
3924 (restore_machine_status): Delete.
3925 Amend comment describing {init|mark|free}_machine_status.
3926 (push_function_context_to): Remove invocation of
3927 save_machine_status.
3928 (pop_function_context_from): Remove invocation of
3929 restore_machine_status.
3931 * emit-rtl.c (init_emit_once): Amend comment describing
3932 {init|mark|free}_machine_status.
3934 * tm.texi (Per-Function Data): New node. Describe the
3935 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3938 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3940 * cppinit.c (OPT_g): Remove.
3941 (cpp_handle_option): Update for removed -g3.
3942 (print_help): Update.
3943 * cpplib.h (struct cpp_options): Remove debug_output.
3944 * cppmain.c (setup_callbacks, cb_define): Update.
3945 * gcc.c (cpp_options): Translate -g3 to -dD.
3947 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3949 * config/i960/i960.md: Change modifier to + on the zero_extract
3950 pattern after the (rotate -2 reg) canonicalization pattern.
3952 2001-01-10 Richard Henderson <rth@redhat.com>
3954 * config/alpha/alpha.c (alpha_free_machine_status): New.
3955 (override_options): Install it.
3956 (alpha_mark_machine_status): Verify machine non-null.
3957 * config/i386/i386.c (ix86_free_machine_status): New.
3958 (override_options): Install it.
3959 (ix86_init_machine_status): Use xcalloc.
3960 (ix86_mark_machine_status): Verify machine non-null.
3961 * config/ia64/ia64.c (ia64_free_machine_status): New.
3962 (ia64_override_options): Install it.
3963 (ia64_mark_machine_status): Verify machine non-null.
3965 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3967 * function.c (instantiate_virtual_regs): Instantiate virtual
3968 registers found in CALL_INSN_FUNCTION_USAGE.
3970 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3972 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3973 equivalent to -ansi in disabling -Di386.
3975 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3977 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3979 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3981 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3983 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3985 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3987 * invoke.texi: Document that -fcond-mismatch isn't supported for
3990 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3992 * gcc.texi: Define macro gcctabopt.
3993 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3994 @command, @env and @option in some places where appropriate. Use
3995 @gcctabopt where appropriate. Put URLs and email addresses inside
3998 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4000 * gcc.c (cpp_options): Set MD file name from output
4001 filename, if specified.
4002 (suffix_subst): New static variable.
4003 (do_spec): Clear it.
4004 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4006 (give_switch): Handle suffix_subst.
4008 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4010 * invoke.texi: Fix another typo.
4012 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4014 * invoke.texi: Fix typo.
4016 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4018 * c-lang.c (lang_hooks): Update.
4019 (lang_decode_option): Remove.
4020 (lang_init_options): Rename c_init_options.
4021 * toplev.c (main): Use lang_hooks for lang_init_options
4022 and lang_decode_option.
4023 * toplev.h (lang_hooks): Add 2 new hooks.
4024 * tree.h: Remove lang_init_options and lang_decode_option.
4025 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4026 * cp/decl2.c: Similarly.
4027 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4028 (lang_hooks): Update.
4029 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4031 (lang_init_options): Rename ffe_init_options.
4032 (lang_hooks): Update.
4033 (lang_decode_option): Remove.
4034 * java/lang.c (lang_init_options): Rename java_init_options.
4035 (lang_decode_option): Rename java_decode_option.
4036 (lang_hooks): Update.
4037 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4038 (lang_decode_option): Rename objc_decode_option.
4039 (lang_hooks): Update.
4041 2001-01-09 Nick Clifton <nickc@redhat.com>
4043 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4044 (d30v_return_addr_rtx): Delete.
4045 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4046 cfun->machine structure.
4047 (struct machine_function): Move to d30v.h
4048 (d30v_save_machine_status): Delete.
4049 (d30v_restore_machine_status): Delete.
4050 (d30v_init_machine_status): New Function.
4051 (d30v_mark_machine_status): New Function.
4052 (d30v_free_machine_status): New Function.
4053 (d30v_init_expanders): Use new functions.
4054 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4055 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4056 d30v_return_addr_rtx.
4058 * config/d30v/d30v.h (struct_machine): Move here.
4059 Add eh_epilogue_sp_ofs field.
4061 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4062 field in cfun->machine structure.
4064 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4066 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4067 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4068 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4070 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4072 * objc/lang-options.h: Remove bogus reference to
4075 2001-01-09 Kazu Hirata <kazu@hxi.com>
4077 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4080 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4082 * reload.c (find_reloads_address): Check for eliminable registers
4083 when substituting a constant expression for a pseudo.
4085 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4087 * c-common.c (enum format_type): Add format_type_error.
4088 (decode_format_type): New function.
4089 (decl_attributes): Use it.
4090 (format_kind_info): Adjust comment.
4092 2001-01-09 David O'Brien <obrien@BSDi.com>
4094 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4095 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4097 * config/i386/gnu.h: Don't include required platform specific .h files,
4098 tm.h will do it instead.
4099 * config/i386/i386elf.h: Likewise.
4100 * config/i386/linux.h: Likewise.
4101 * config/i386/moss.h: Likewise.
4102 * config/mips/gnu.h: Likewise.
4104 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4106 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4107 (rs6000-ibm-aix3.[01]*): Likewise.
4108 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4109 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4110 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4111 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4112 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4113 (powerpc-*-eabiaix*): Likewise.
4114 (powerpc-*-eabisim*): Likewise.
4115 (powerpc-*-elf*): Likewise.
4116 (powerpc-*-eabi*): Likewise.
4117 (powerpc-*-rtems*): Likewise.
4118 (powerpc-*-linux*libc1): Likewise.
4119 (powerpc-*-linux*): Likewise.
4120 (powerpc-wrs-vxworks*): Likewise.
4121 (powerpcle-wrs-vxworks*): Likewise.
4122 (powerpcle-*-sysv*): Likewise.
4123 (powerpcle-*-elf*): Likewise.
4124 (powerpcle-*-eabisim*): Likewise.
4125 (powerpcle-*-eabi*): Likewise.
4126 (powerpcle-*-solaris2*): Likewise.
4127 * config/rs6000/aix31.h: Delete includes.
4128 * config/rs6000/aix3newas.h: Likewise.
4129 * config/rs6000/aix41.h: Likewise.
4130 * config/rs6000/aix43.h: Likewise.
4131 * config/rs6000/beos.h: Likewise.
4132 * config/rs6000/rtems.h: Likewise.
4133 * config/rs6000/sysv4.h: Likewise.
4135 2001-01-09 Kazu Hirata <kazu@hxi.com>
4137 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4138 Change an argument mode of machine_mode to shift_mode of
4139 shift_mode. Remove an extra error check.
4140 (emit_a_shift): Adopt to the new calling prototype of
4142 (function_prologue): Fix code for a monitor
4143 function. Support H8/S.
4144 (function_epilogue): Do not output pop for a monitor function.
4146 2001-01-09 Nick Clifton <nickc@redhat.com>
4148 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4149 (setup_incoming_varargs): Use sysv_varargs_p field of the
4150 cfun->machine structure.
4151 (struct machine_function): Move to rs6000.h
4152 (rs6000_save_machine_status): Delete.
4153 (rs6000_restore_machine_status): Delete.
4154 (rs6000_init_machine_status): New Function.
4155 (rs6000_free_machine_status): New Function.
4156 (rs6000_init_expanders): Use new functions.
4158 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4160 (struct machine_function): Move here.
4162 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4163 sysv_varargs_p field of the cfun->machine structure.
4165 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4167 (rs6000_restore_machine_status): Remove prototype.
4169 2001-01-09 Richard Henderson <rth@redhat.com>
4171 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4172 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4173 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4174 (sched_analyze_2, sched_analyze_insn): Likewise.
4175 (sched_analyze, init_deps): Likewise.
4176 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4177 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4178 (compute_block_backward_dependences): Update propagate_deps call.
4180 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4182 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4184 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4186 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4187 (cpp_handle_option): Handle them.
4188 (cpp_post_options): Ensure one of -M or -MM is specified with
4189 any other -M? option.
4190 (init_dependency_output): Suppress output with -MG.
4192 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4195 * invoke.texi: Update.
4197 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4199 * sh.md (reload_outsf): Generate recognizable patterns for
4202 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4204 * c-lang.c (lang_hooks): Update.
4205 (lang_init): Rename c_init.
4206 (lang_finish): Remove.
4207 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4209 * toplev.h (lang_hooks): Add init () and finish ().
4210 * tree.h (lang_init, lang_finish): Remove.
4211 * cp/tree.h (lang_init, lang_finish): Remove.
4212 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4213 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4215 (lang_init, lang_finish): Remove.
4216 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4217 (lang_hooks): Update.
4218 * java/lang.c (lang_init): Rename java_init.
4219 (lang_finish): Remove.
4220 (lang_hooks): Update.
4221 * objc/objc-act.c (lang_init): Rename objc_init.
4222 (lang_finish): Remove.
4223 (lang_hoooks): Update.
4225 20001-01-09 Graham Stott <grahams@redhat.com>
4227 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4228 after `ptr` is initialised.
4230 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4232 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4233 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4234 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4235 stack adjusts, instead of r3.
4237 2001-01-09 Michael Hayes <mhayes@redhat.com>
4239 * flow.c (flow_loop_scan): Break out of ...
4240 (flow_loops_find) ... here.
4241 * basic-block.h (flow_loop_scan): New.
4242 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4243 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4245 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4247 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4249 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4250 realloc()ing macro_buffer.
4252 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4253 if it's wider than long and the target's long is wider than the
4256 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4258 Remove support for using UWIN as a host machine.
4259 * configure.in: Issue an error message.
4260 * configure: Regenerated.
4261 * config.gcc: Remove xm_* UWIN configury.
4262 * config/i386/xm-uwin.h: Remove.
4264 2001-01-08 Nick Clifton <nickc@redhat.com>
4266 * config/v850/v850.c (ra_rtx): Delete.
4267 (v850_save_machine_status): Delete.
4268 (v850_restore_machine_status): Delete.
4269 (v850_init_machine_status): New function.
4270 (v850_mark_machine_status): New function.
4271 (v850_free_machine_status): New function.
4272 (v850_return_addr): Use ra_rtx field in machine structure.
4273 (v850_init_expanders): Use new functions.
4275 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4276 * config/v850/v850.c: Change arguments to v850_output+* functions
4277 to take a const char *, to avoid compile time warning.
4278 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4279 (USER_LABEL_PREFIX): Redefine.
4281 2000-01-08 Jim Wilson <wilson@redhat.com>
4283 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4284 1 to unsigned HOST_WIDE_INT before left shift.
4286 2001-01-08 Nick Clifton <nickc@redhat.com>
4288 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4289 the machine structure has been allocated.
4290 (arm_free_machine_status): New function: Free the machine
4291 specific function structure.
4293 2001-01-08 Richard Henderson <rth@redhat.com>
4295 * jump.c (simplejump_p): Revert last change.
4297 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4299 * cppinit.c (init): Rename init_library.
4300 (cpp_create_reader): Update.
4301 * gcc.c (cpp_options): If -o given, use it as the target of
4304 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4306 * arm.c (arm_arch5e): New variable.
4307 (all_cores): XScale is a 5TE device.
4308 (arm_override_options): Set arm_arch5e.
4309 (arm_init_builtins): __builtin_prefetch is in arch5e.
4310 * arm.h (arm_arch5e): Declare it.
4312 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4314 * arm.md (define_constants): Add defines for UNSPEC and
4315 UNSPEC_VOLATILE insns. Update all users.
4316 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4317 * arm.c (multi_register_push, note_invalid_constants)
4318 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4319 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4320 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4322 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4324 * jump.c (jump_optimize_1): Use reversed_comparison_code
4325 instead of can_reverse_comparison_p.
4326 (jump_back_p): Likewise.
4327 (invert_exp_1): Likewise.
4328 (thread_jumps): Likewise.
4329 * simplify-rtx.c (simplify_unary_operation): Likewise.
4330 (simplify_ternary_operation): Likewise.
4331 * cse.c (find_comparison_args): Convert to use
4332 can_reverse_comparison_p.
4333 (record_jump_equiv): Likewise.
4335 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4337 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4338 (EPILOGUE_USES): Define.
4339 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4340 automatically stack the LR if it isn't live.
4342 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4344 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4347 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4349 * ggc-page.c (max_alignment): New structure.
4350 (MAX_ALIGNMENT): New macro.
4351 (init_ggc): Use it to round up the sizes in the
4352 extra_order_size_table.
4354 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4356 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4359 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4361 * builtins.def (BUILT_IN_FPRINTF): New entry.
4363 * c-common.c (c_expand_builtin_fprintf): New function.
4364 (init_function_format_info): Handle __builtin_fprintf.
4365 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4366 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4368 * c-decl.c (duplicate_decls): Adjust comment.
4370 * extend.texi (fprintf): Document new builtin.
4372 2001-01-07 Richard Henderson <rth@redhat.com>
4374 * jump.c (simplejump_p): Recognize any single_set jump
4377 2001-01-07 Richard Henderson <rth@redhat.com>
4379 * configure.in (slibdir): Accept an --with-slibdir option.
4380 Use "test" not "[" in configure. Default to $(libdir).
4382 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4384 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4385 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4386 (SHLIB_LINK): Create links for the soname.
4387 * config/mips/t-iris6: Likewise.
4388 * config/sparc/t-slibgcc: Likewise.
4389 * config/sparc/t-slibgcc-sld: Likewise.
4391 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4393 * config/i386/i386.c (constant_call_address_operand): Accept
4394 (const (plus (symbol_ref) (const_int))).
4395 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4396 constant_call_address_operand.
4398 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4400 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4401 and LONG_LONG_TYPE_SIZE > 32.
4403 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4405 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4406 the previous change.
4408 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4410 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4412 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4413 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4414 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4417 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4419 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4421 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4423 * c-lang.c (c_post_options): Call cpp_post_options.
4424 * objc/objc-act.c (objc_post_options): Similarly.
4425 * cppmain.c (main): Similarly.
4426 * fix-header.c (read_scan_file): Similarly.
4427 * cppinit.c (cpp_start_read): Move option consistency checks
4428 to cpp_post_options. Don't call init_dependency_output.
4429 If needed, add default target and main file dependency.
4430 (OPT_MD, OPT_MMD): Remove.
4432 (cpp_handle_option): Update for OPT_* changes.
4433 (cpp_post_options): New.
4434 (init_dependency_output): Command line -MF overrides environment
4435 variables. Don't set default target etc. Suppress output
4436 if dependencies are going to stdout.
4437 (print_help): Update.
4438 * cpplib.h (cpp_post_options): New.
4439 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4441 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4443 * jump.c (comparison_dominates_p): Support unordered compares.
4445 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4447 * simplify-rtx.c (simplify_relational_operation): Always simplify
4448 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4451 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4453 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4454 (nonzero_bits): Likewise.
4455 (simplify_comparison): Likewise.
4456 (num_sign_bit_copies): Likewise; return more sane value depending
4457 on STORE_FLAG_VALUE.
4458 (known_cond): Do not assume EQ to be always true for equivalent
4461 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4463 * cse.c (fold_rtx): Handle unordered comparisons.
4465 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4467 * rtlanal.c (set_of_1): New static function.
4468 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4469 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4470 reg_set_last_last_regno): Remove.
4471 (set_of): New global function.
4472 (set_of_data): New structure.
4473 (reg_set_p, reg_set_last): Revamp for set_of.
4474 * rtl.h (set_of): New.
4476 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4478 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4479 * extend.texi: Document _Exit builtin.
4481 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4483 * (initialize, initialize_builtins,
4484 initialize_dependency_output, initialize_standard_includes):
4485 Rename s/initialize/init. Update.
4486 (init_dependency_output): Move to after
4487 cpp_handle_options, the correct location temporally at least.
4488 (opt_comp): Move next to init (), its caller. Fix prototype.
4489 (init): Make "initialized" local scope.
4490 (cpp_create_reader): Always call init ().
4491 (cpp_start_read): Update.
4492 (output_deps): New function, broken out of cpp_finish.
4493 (cpp_finish): Break out output_deps.
4495 2001-01-07 Richard Henderson <rth@redhat.com>
4497 * collect2.c (COFF specific stuff): Revert 12-06 patch
4498 to prototype system functions.
4500 2001-01-07 Michael Hayes <mhayes@redhat.com>
4502 * hard-reg-set.h: Add multiple include guard.
4503 * basic-block.h (struct loop): Add `sink' field.
4504 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4505 (emit_iv_add_mult): Delete.
4506 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4507 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4508 (unroll_loop): Remove end_insert_before argument.
4509 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4510 (maybe_eliminate_biv_1): Likewise.
4511 (emit_iv_add_mult): Delete.
4512 (gen_add_mult, loop_regs_update): New.
4513 (loop_insn_emit_after, loop_insn_emit_before): New.
4514 (loop_insn_sink, loop_insn_sink_or_swim): New.
4515 (emit_iv_add_mult): Delete.
4516 (scan_loop): Set loop->sink.
4517 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4518 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4519 (maybe_eliminate_biv_1): Likewise.
4520 (maybe_eliminate_biv_1): Add basic block argument.
4521 * unroll.c (unroll_loop): Remove end_insert_before argument.
4522 (find_splittable_regs): Likewise.
4523 (find_splittable_regs): Use loop_insn_sink and its ilk.
4524 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4526 2001-01-07 Michael Hayes <mhayes@redhat.com>
4528 * loop.h (loop_insn_hoist): New prototype.
4529 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4530 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4531 (check_dbra_loop, load_mems): Likewise.
4532 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4533 (find_splittable_givs): Likewise.
4535 2001-01-07 Michael Hayes <mhayes@redhat.com>
4537 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4539 2001-01-07 Richard Henderson <rth@redhat.com>
4541 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4543 2001-01-07 Richard Henderson <rth@redhat.com>
4545 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4546 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4547 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4548 variant that handles a shared libgcc.
4549 (process_command): Always validate -{static,shared}-libgcc.
4550 (do_spec_1): New 'M' case.
4551 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4553 2001-01-07 Richard Henderson <rth@redhat.com>
4555 * Makefile.in (slibdir): New variable.
4556 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4557 (installdirs): Create slibdir.
4558 (install-libgcc, install-multilib): Defer to libgcc.mk.
4559 * configure.in (slibdir): Substitute.
4560 * mklibgcc.in (install): New target.
4562 * config/t-linux (SHLIB_LINK): Create links for the soname.
4563 (SHLIB_INSTALL): New.
4564 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4565 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4566 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4567 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4568 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4570 2001-01-07 Richard Henderson <rth@redhat.com>
4572 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4573 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4574 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4576 2001-01-07 Michael Hayes <mhayes@redhat.com>
4578 * loop.c (count_loop_regs_set): Delete.
4579 (load_mems_and_recount_loop_regs_set): Delete.
4580 (loop_regs_scan): Merge common code from count_loop_regs_set,
4581 scan_loop, and load_mems_and_recount_loop_regs_set.
4582 (scan_loop): Call load_mems directly and loop_regs_scan
4583 again if new registers created.
4585 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4587 * toplev.c (main): Call the front-end specific post_options
4588 hook if one is given.
4589 * toplev.h (struct_lang_hooks, lang_hooks): New.
4590 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4591 for the C front end.
4592 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4593 lang_hooks for the C++ front end.
4594 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4595 lang_hooks for the ObjC front end.
4596 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4597 * java/lang.c (lang_hooks): Hooks for the Java front end.
4599 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4601 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4602 for verbose DWARF[2] debugging.
4603 (cb_define, cb_undef): The new callbacks.
4604 * toplev.h (debug_define, debug_undef): Make const correct.
4605 * toplev.c (debug_define, debug_undef): Similarly. Do not
4606 perform the verbosity tests here anymore.
4608 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4610 * reload.c (subst_reloads): Take INSN argument. When
4611 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4612 * reload.h (subst_reloads): Adjust prototype.
4613 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4614 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4615 present in JUMP_INSNs and copy them to JUMP_LABEL.
4616 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4617 JUMP_INSNs and insns with REG_LABELs that are followed by
4618 JUMP_INSNs with the same REG_LABEL.
4619 * sched-rgn.c (is_cfg_nonregular): Likewise.
4620 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4622 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4624 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4626 2001-01-06 Richard Henderson <rth@redhat.com>
4628 * loop.c (scan_loop): Use xcalloc for the regs array.
4629 (load_mems_and_recount_loop_regs_set): Zero the new memory
4630 received from xrealloc.
4632 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4634 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4636 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4638 * integrate.c (copy_rtx_and_substitute): When copying
4639 an ignored return value, strip REG_FUNCTION_VALUE_P.
4641 2001-01-06 Michael Hayes <mhayes@redhat.com>
4643 * loop.c (debug_biv, debug_giv): New.
4644 (loop_biv_dump): Break out from ...
4645 (record_biv): ... here.
4646 (loop_giv_dump): Break out from ...
4647 (record_giv): ... here.
4648 (loop_bivs_check): Use print_simple_rtl.
4649 * unroll.c (loop_iterations): Use print_simple_rtl.
4651 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4653 * pa.md (return, return_internal): Modify patterns to prevent regrename
4654 mucking with the return pointer.
4656 2001-01-05 Richard Henderson <rth@redhat.com>
4658 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4660 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4662 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4663 version supplied by Matteo Frigo.
4665 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4667 * cpp.texi: Update for -MQ.
4668 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4669 (cpp_cleanup): Always free pfile->deps.
4670 (initialize_dependency_output): Don't create pfile->deps.
4671 (cpp_handle_option): Similarly.
4673 * gcc.c (cpp_options): Handle -MQ.
4674 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4675 * mkdeps.c (base_name): Remove.
4676 (deps_init): Don't allocate vector space until it's needed.
4677 (deps_free): Only free vectors if allocated.
4678 (deps_add_target, deps_add_dep): Update for initial allocation.
4679 (deps_add_default_target): Don't strip to the base_name.
4681 2001-01-05 DJ Delorie <dj@redhat.com>
4683 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4684 (INIT_EXPANDERS): Define.
4686 * config/v850/v850.c (struct machine_function): Define.
4687 (v850_save_machine_status): New function.
4688 (v850_restore_machine_status): New function.
4689 (v850_return_addr): New function.
4690 (v850_init_expanders): New function.
4692 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4693 and v850_init_expanders.
4695 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4697 * cpplib.h (struct cpp_reader): Add help_only field.
4698 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4699 (cpp_handle_option): Set pfile->help_only if we see -h,
4700 --help, -target-help, or --version. Print version string but
4701 do not set help_only if we see -v or -version. Make text
4702 printed by -v match that printed by (-)-version.
4704 * cppmain.c (main): Exit after option parsing if
4705 pfile->help_only is true.
4707 * toplev.c (independent_decode_option): Call print_version,
4708 then exit, if we see --version (but not -version).
4709 (print_version): Split lengthy message into two lines.
4711 2001-01-05 Nick Clifton <nickc@redhat.com>
4713 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4714 temporary string for initialisation before calling ggc_alloc_string.
4716 2001-01-06 Michael Hayes <mhayes@redhat.com>
4718 * rtl.h (print_simple_rtl): New.
4719 * print-rtl.c (print_simple_rtl): New.
4721 (print_rtx): Disable printing of flags and modes, etc.,
4722 if `flag_simple` nonzero.
4724 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4726 * function.c (fixup_var_refs): Use push_to_full_sequence where
4729 2001-01-05 Michael Meissner <meissner@redhat.com>
4731 * flags.h (flag_reorder_blocks): Add declaration.
4732 (flag_rename_block): Ditto.
4734 2001-01-05 DJ Delorie <dj@redhat.com>
4736 * function.c (reorder_blocks): Make sure the flags are all reset
4737 before using them to mark blocks, else a second invocation will
4738 corrupt the block chain.
4739 (reorder_blocks_0): New, resets the flags.
4741 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4743 * cse.c (find_comparison_args): Stop if the argument is known to
4746 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4748 * config/sh/sh.md (movdf): When splitting load into pair of
4749 registers, don't clobber the register used in the address too
4752 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4754 * varasm.c (mark_constant_pool): Improve initial comments.
4755 (mark_constants): Move marking of constants to mark_constant.
4756 (mark_constant): New function to recursively mark all constants
4757 referred to by a constant.
4759 2001-01-05 Catherine Moore <clm@redhat.com>
4761 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4763 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4765 * cp/lang-options.h: Bring comment in line with reality.
4766 * f/lang-options.h: Likewise.
4767 * java/lang-options.h: Likewise.
4768 * objc/lang-options.h: Likewise.
4769 * ch/lang-options.h: Likewise.
4770 * f/g77.texi: And update the manual.
4772 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4773 Denis Chertykov <denisc@overta.ru>
4775 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4776 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4777 * config/avr/avr.md (all peepholes that request a scratch register):
4778 Call it, FAIL the peephole if not safe (in interrupt functions).
4780 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4782 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4784 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4786 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4788 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4789 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4790 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4791 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4792 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4794 * extend.texi: Document these builtins.
4796 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4798 * c-common.c (lang_get_alias_set): Say we know nothing of
4799 VECTOR_TYPE aliasing.
4801 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4803 2001-01-05 Bruce Korb <bkorb@gnu.org>
4805 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4806 their x* equivalent versions for atexit-less systems
4807 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4808 systems (or any other system any more).
4810 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4812 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4813 output operands. Use arm_hard_register_operand for operand 4.
4814 (stmsi_postinc): Similarly.
4815 (ldmsi): Use arm_hard_register_operand for opernand 2.
4817 * arm.c (arm_hard_register_operand): New function.
4818 * arm-protos.h (arm_hard_register_operand): Prototype it.
4820 * arm.h (HARD_REGNO_RENAME_OK): Define.
4822 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4824 * simplify-rtx.c (cfc_args): add "unordered" field.
4825 (check_fold_consts): Set unordered field.
4826 (simplify_relational_operation): Simplify the unordered
4829 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4832 * emit-rtl.c (try_split): Fix code to mark labels.
4833 * jump.c (mark_jump_label): Make global.
4834 * rtl.h (mark_jump_label): Declare.
4836 * predict.c (estimate_probability): Handle unordred comparisons.
4838 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4840 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4841 * cppinit.c (initialize_dependency_output): Update.
4842 (cpp_finish): Output dummy targets for -MP.
4844 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4845 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4846 * gcc.c (cpp_options): Update to handle -MP.
4847 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4848 to quote only the default target.
4849 (deps_phony_targets): Insert a preceding newline. Rename from
4850 deps_dummy_targets for consistency.
4853 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4855 * calls.c (emit_library_call_value_1): Support
4856 INIT_CUMULATIVE_LIBCALL_ARGS.
4857 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4859 2001-01-04 Richard Henderson <rth@redhat.com>
4861 * c-decl.c (finish_struct): Detect flexible array members
4862 used in an inappropriate context.
4863 * c-typeck.c (really_start_incremental_init): Special case
4864 constructor_max_index for zero length arrays.
4865 (pop_init_level): Allow initialization of flexible array
4866 members. Deprecate initialization of zero length arrays.
4867 Don't issue missing initializer warning for flexible array
4868 members or zero length arrays.
4869 (process_init_element): Don't dereference null DECL_SIZE.
4870 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4871 Don't abort for empty constructors. Use size_binop
4872 (output_constructor): Add commentary regarding zero length
4873 array futures. Abort if we try to initialize an array of
4874 unspecified length with a non-empty constructor in the middle
4877 * extend.texi (Zero Length): Update and clarify documentation
4878 on static initialization.
4880 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4882 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4883 with more than 32767 words of local storage.
4885 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4887 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4888 for 'abs', 'labs', and 'fabs'.
4889 (c4x_expand_builtin): Likewise.
4890 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4892 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4894 * config/sh/sh.md (prget, prset): New insn types.
4895 (return delay slot): Dont' allow prset.
4896 (call, sfunc delay slot): Don't allow prget.
4897 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4898 for prset and prget.
4900 2001-01-05 Michael Hayes <mhayes@redhat.com>
4902 * loop.h (struct loop_reg): New.
4903 (struct loop_regs): Change to use array of `struct loop_reg'.
4904 * loop.c: Replace assortment of varrays with single regs array.
4905 (count_one_set): Delete may_not_move array argument
4906 and use regs array instead. All caller's changed.
4907 (count_loop_regs_set): Delete may_not_move and single_usage
4908 arguments and use regs array instead. All caller's changed.
4909 (find_single_use_in_loop): Replace usage array argument with pointer
4910 to regs structure. All caller's changed.
4911 (loop_optimize): Delete `moved_once' array.
4913 2001-01-05 Michael Hayes <mhayes@redhat.com>
4915 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4916 Use it instead of loop_info->has_call for scanning loop mems.
4917 (check_dbra_loop): Replace loop_info->has_call test with
4918 loop_info->has_nonconst_call.
4920 2000-01-04 Matthew Hiller <hiller@redhat.com>
4922 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4925 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4927 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4928 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4930 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4932 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4933 (flag_short_double, flag_short_wchar): Define.
4934 (c_common_nodes_and_builtins): Create many tree nodes shared
4935 between C and C++ here instead of in cp/decl.c and ...
4936 * c-decl.c (init_decl_processing): ... here.
4937 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4938 (flag_short_double, flag_short_wchar): Don't define.
4939 (record_builtin_type): New function.
4940 (build_void_list_node): New function.
4941 * c-common.h (flag_short_double, flag_short_wchar,
4942 record_builtin_type, build_void_list_node): Declare.
4944 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4946 * integrate.c (expand_inline_function): Don't put a virtual
4947 register into the reg map.
4949 * function.c (fixup_var_refs_1): If force_operand didn't put
4950 the address into the target, move it there.
4952 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4954 Special-case tree_decl/tree_list allocations.
4955 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4956 (OBJECT_SIZE): New macro.
4957 (NUM_EXTRA_ORDER): Likewise.
4958 (extra_order_size_table): New variable.
4959 (NUM_ORDERS): New macro.
4960 (objects_per_page_table): New variable.
4961 (object_size_table): New variable.
4962 (G.pages): Use NUM_ORDERS to bound the array.
4963 (G.page_tails): Likewise.
4964 (DIV_ROUND_UP): Remove.
4965 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4966 (alloc_page): Use OBJECT_SIZE.
4967 (size_lookup): Don't make it const.
4968 (ggc_alloc): Use OBJECT_SIZE.
4969 (ggc_set_mark): Likewise.
4970 (ggc_get_size): Likewise.
4971 (init_ggc): Set up the object_size_table, objects_per_page_table,
4972 and adjust size_lookup.
4973 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4974 (ggc_pop_context): Use NUM_ORDERS.
4975 (clear_marks): Likewise.
4976 (sweep_pages): Likewise.
4977 (poison_pages): Likewise.
4978 (ggc_print_statistics): Use OBJECT_SIZE.
4980 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4982 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4983 Only call array_size_for_constructor if last field and array type
4984 with no upper bound.
4986 2001-01-04 Philip Blundell <philb@gnu.org>
4988 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4989 from bit 31 downwards, if this requires no more insns.
4990 (count_insns_for_constant): New helper function for above.
4992 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4994 * gencodes.c (output_predicate_decls): Remove empty initializer.
4996 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4998 * tree.c (copy_node): Remove documentation about obstacks.
4999 (buidl1): Check that nobody tries to build 2-argument nodes this
5002 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5004 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5007 * gencodes.c (output_predicate_decls): Fill empty initializer
5010 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5012 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5013 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5015 (do_include): Handle missing headers like cpp0.
5016 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5017 paths with first include pathname. Don't strcat to uninitialized
5020 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5022 * regrename.c (regrename_optimize): Don't rename from frame pointer
5023 if frame_pointer_needed.
5024 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5025 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5026 (ia64_reorg): Use it instead of scheduling if ! optimize.
5027 (errata_emit_nops): Properly call asm_noperands.
5028 (ia64_sched_reorder): Finish cycle if we see an asm.
5029 (ia64_variable_issue): Clear scheduling state after asms.
5031 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5033 * cpp.texi: Update for -MT.
5034 * cppinit.c (initialize_dependency_output): Add a default
5035 target if none has been given already.
5036 (no_tgt, OPT_MT): New.
5037 (cpp_handle_option): Handle -MT. Update -M etc.
5038 * cpplib.h (struct cpp_options): Remove deps_target.
5039 * gcc.c (cpp_options): Handle -MT.
5040 * mkdeps.c (struct deps): Move from mkdeps.h.
5041 (deps_calc_target): Rename deps_add_default_target. Add a
5042 default target if none has been specified already.
5043 * mkdeps.h (struct deps): Move to mkdeps.c.
5044 (deps_calc_target): Rename deps_add_default_target.
5046 2000-01-03 Richard Henderson <rth@redhat.com>
5048 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5050 * c-typeck.c (push_init_level): Move checks for flexible array
5051 members and zero length arrays ...
5052 (pop_init_level): ... here. Silently discard empty initializations.
5054 * varasm.c (output_constructor): Update for sizeof change to
5057 * extend.texi (Zero Length): Clarify semantics.
5059 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5061 * configure.in (tm.h): Include isns-codes.h last.
5062 * configure: Rebuilt.
5064 2001-01-03 Richard Henderson <rth@redhat.com>
5066 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5067 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5069 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5071 * tradcpp.c (main): Make sure finclude() is called with a valid
5072 indepth value while handling -include.
5074 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5076 * gencodes.c (output_predicate_decls): New function.
5078 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5079 even if it is not the first time machmode.h is #included.
5080 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5081 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5082 * gcc.texi (Copyright): Added 2001.
5084 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5086 * c-common.c (c_common_lang_init): New function. Warn if format
5087 warning options which only have effects when used with -Wformat
5088 are used without -Wformat.
5089 * c-common.h (c_common_lang_init): Declare.
5090 * c-lang.c (lang_init): Call c_common_lang_init.
5091 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5093 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5095 * configure.in: Check for the mktemp command.
5096 * configure: Regenerate.
5097 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5098 $TEMP. Create temporary files with mktemp, if available at
5099 configure time; otherwise use set -C. Remove temporary files
5102 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5104 * configure.in: Require at least texinfo 4.0. Check for whether
5105 Pod::Man is sufficiently recent to regenerate GCC manpages.
5106 * configure: Regenerate.
5107 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5109 (GENERATED_MANPAGES): Define.
5110 (generated-manpages): New target. Depend on cpp.1 as well as
5112 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5113 configure to generated-manpages or empty) rather than on the
5114 manpages directly. Remove execute permission from installed
5115 gcov.1 as well as cpp.1.
5116 * cpp.1, gcov.1: Regenerate.
5118 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5120 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5121 tree_low_cst. Allow using cmpstrsi in more cases.
5123 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5125 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5128 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5130 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5131 * Makefile.in (HOST_CFLAGS): Mention build-make.
5133 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5135 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5138 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5140 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5143 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5146 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5147 reg_base_value and reg_known_value arrays.
5148 (init_alias_analysis): Add more cases to detect known values.
5149 * sched-deps.c (deps_may_trap_p): New function.
5150 (sched_analyze_2): Use it.
5152 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5154 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5155 don't discard an ASHIFTRT if we're shifting in a wider mode.
5157 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5159 * toplev.c (rest_of_compilation): Don't print basic block information
5160 when CFG isn't up to date.
5162 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5164 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5165 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5166 (UNALIGNED_SHORT_ASM_OP): Define.
5167 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5169 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5171 * fold-const.c (fold_convert): Fix typo.
5173 2001-01-02 Richard Henderson <rth@redhat.com>
5175 * c-common.h (ASM_INPUT_P): New.
5176 * c-parse.in (asm): Set it when needed.
5177 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5178 existance of an operand.
5180 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5182 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5183 (dwarf2out_frame_debug_expr): Likewise.
5184 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5186 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5188 * i386.c (ix86_split_to_parts): Return number of part required;
5190 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5192 (ix86_split_long_move): Use number of part returned
5193 by ix86_split_to_parts
5194 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5196 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5197 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5198 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5199 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5200 (ALIGN_MODE_128): Add TFmode.
5201 (IS_STACK_MODE): Likewise.
5202 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5203 (HARD_REGNO_OK): Support TFmodes.
5204 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5205 * i386.md (scheduler definitions): Use memory operand to determine
5206 fst/fld instructions; use mode attribute to determine real mode of
5208 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5209 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5211 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5213 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5215 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5217 * expr.c (store_constructor_field): Update ALIGN before calling
5220 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5222 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5225 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5227 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5230 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5232 * c-decl.c (start_function): Don't warn on third parameter to main.
5234 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5236 * tsystem.h: Define HAVE_DECL_GETOPT.
5238 2001-01-02 Philip Blundell <pb@futuretv.com>
5240 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5243 2001-01-02 Richard Henderson <rth@redhat.com>
5245 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5247 2001-01-02 Andreas Jaeger <aj@suse.de>
5249 * c-decl.c (c_decode_option): Remove support of
5252 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5253 (W_options): Add -Wmissing-noreturn here.
5255 * flow.c: Define lang_missing_noreturn_ok_p.
5256 (check_function_return_warnings): Use it.
5258 * c-common.h: Declare lang_missing_noreturn_ok_p.
5260 * c-lang.c (c_missing_noreturn_ok_p): New function.
5261 (lang_init): Set lang_missing_noreturn_ok_p.
5263 * invoke.texi (Warning Options): Document this.
5265 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5267 * extend.texi (C++ Extensions): New node for C++ attributes;
5268 describe init_priority and com_interface.
5269 * invoke.texi: Remove -finit-priority as it now has zero effect.
5270 * install.texi: Fix xref syntax.
5271 * md.texi: Likewise.
5273 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5275 * config.gcc (sparc64-wrs-vxworks*): New case.
5276 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5278 * config/sparc/sparc.c (sparc_override_options): Do support different
5279 pointer and architecture size.
5280 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5281 (POINTERS_EXTEND_UNSIGNED): Define.
5282 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5283 (FUNCTION_MODE): Define to be Pmode.
5284 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5286 * function.c (expand_function_end): Properly handle DECL_RESULT
5287 and copy when ptr_mode != Pmode.
5288 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5290 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5292 * c-common.c (c_common_nodes_and_builtins): Set prototype
5293 parameters for __builtin_fputs, __builtin_fputc and
5294 __builtin_fwrite. Don't declare plain fputc as a builtin.
5296 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5298 * loop.c (add_label_notes): Increment the label usage count when
5299 a note is added to an insn which refers to a CODE_LABEL.
5300 * gcse.c (add_label_notes): Likewise.
5302 2001-01-01 Andreas Jaeger <aj@suse.de>
5304 * loop.c (scan_loop): Use xmalloc to allocate movables.
5306 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5308 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5309 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5310 * reload1.c (REGISTER_MOVE_COST): Likewise.
5311 * regclass.c (REGISTER_MOVE_COST): Likewise.
5312 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5313 dimension. Adjust all users.
5314 (init_reg_sets_1): Iterate on all modes.
5315 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5316 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5317 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5318 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5319 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5320 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5321 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5322 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5323 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5324 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5325 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5326 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5327 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5328 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5329 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5330 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5331 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5332 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5333 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5334 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5335 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5336 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5337 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5338 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5339 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5340 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5341 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5343 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5345 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5346 arg VARIES_P. Call it with extra arg.
5347 (true_dependence): Likewise.
5348 * rtl.h (rtx_addr_can_trap_p): Declare.
5349 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5351 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5352 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5353 pic offset table register if it's zero. All callers changed.
5354 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5356 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5358 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5359 STRING_POOL_ADDRESS_P.
5361 * config/sparc/sparc.c (input_operand): Properly test for short op.
5363 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5364 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5365 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5366 * config/sparc/elf.h: No longer include sol2.h.
5367 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5368 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5370 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5372 2001-01-01 Michael Hayes <mhayes@redhat.com>
5374 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5375 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5376 (record_initial): Likewise.
5377 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5378 (remap_split_bivs): Likewise.
5380 2001-01-01 Michael Hayes <mhayes@redhat.com>
5382 * loop.c (loop_ivs_free): New function.
5383 (strength_reduce): Break out from...
5385 2001-01-01 Michael Hayes <mhayes@redhat.com>
5387 * loop.h (struct iv): New.
5388 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5389 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5390 'reg_biv_class' fields with 'regs' and 'n_regs'.
5391 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5392 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5393 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5395 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5397 * resource.c (mark_referenced_resources): Abort() before
5398 attempting to mark a pseudo register.
5399 (mark_set_resources): Likewise.
5401 2001-01-01 Michael Hayes <mhayes@redhat.com>
5403 * loop.h (REG_IV_CLASS): New accessor macro.
5404 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5405 * unroll.c (REG_IV_CLASS): Likewise.
5407 See ChangeLog.4 for earlier changes.