1 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
3 * combine.c (try_combine): If split with mode-changed scratch
4 register didn't work, try the original mode.
6 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
8 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
9 * config/c4x/c4x.h: Likewise.
10 * stor-layout.c (compute_record_mode): Likewise.
11 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
13 2001-03-02 Zack Weinberg <zackw@stanford.edu>
15 * configure.in: Kill tm.h. Include the files in the $tm_file
16 list in all three of config.h, hconfig.h, tconfig.h, after the
17 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
18 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
19 * configure: Regenerate.
20 * Makefile.in (clean): Don't delete tm.h.
22 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
23 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
24 those are not defined, set SEC and FEC to 0 and 1.
25 * gcc.texi: Update to match.
27 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
28 * config/fp-bit.c, config/m68k/aux-crt2.asm,
29 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
30 Include tconfig.h, not tm.h.
32 * config/xm-lynx.h, config/xm-std32.h,
33 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
34 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
35 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
36 config/clipper/xm-clix.h, config/convex/xm-convex.h,
37 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
38 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
39 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
40 config/i386/xm-i386.h, config/i860/xm-i860.h,
41 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
42 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
43 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
44 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
45 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
46 config/pa/xm-linux.h, config/pa/xm-pa.h,
47 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
48 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
49 config/pj/xm-pj.h, config/romp/xm-romp.h,
50 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
51 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
52 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
53 config/v850/xm-v850.h, config/vax/xm-vax.h,
54 config/we32k/xm-we32k.h:
56 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
58 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
59 config/i370/xm-oe.h: Don't include tm.h. Don't define
61 * config/vax/xm-vms.h: Don't include tm.h.
63 * config/xm-lynx.h, config/avr/xm-avr.h,
64 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
65 Delete; made empty by above changes.
66 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
67 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
68 Don't include config/xm-lynx.h or tm.h.
70 * config/xm-gnu.h: Don't include fcntl.h.
71 * config/sparc/xm-lynx.h: Don't include sys/types.h and
73 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
75 2001-03-02 Richard Henderson <rth@redhat.com>
77 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
78 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
80 2001-03-02 Richard Henderson <rth@redhat.com>
82 * Makefile.in (OBJS): Add dwarf2asm.o.
83 * dwarf2asm.c, dwarf2asm.h: New files.
84 * dwarf2out.c (*): Use them.
85 (size_of_uleb128, size_of_sleb128): Remove.
86 (output_uleb128, output_sleb128): Remove.
87 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
88 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
89 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
90 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
91 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
92 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
93 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
94 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
95 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
96 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
97 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
98 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
99 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
100 (dwarf2out_frame_debug): Remove unused variables.
101 (output_loc_operands): Don't abort on 8 byte constants if
102 host integers are wide enough.
103 (output_symbolic_ref): Remove.
104 (size_of_die): Don't assume 4 byte host integers.
105 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
107 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
108 something stupid with HOST_WIDE_INT to long truncation.
109 [CONST_DOUBLE]: Likewise.
111 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
112 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
113 * config/arm/unknown-elf.h: Likewise.
114 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
115 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
116 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
117 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
118 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
119 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
120 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
121 (ASM_OUTPUT_DWARF_OFFSET): Remove.
122 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
123 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
124 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
125 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
127 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
129 * cselib.c (hash_rtx): Cast enums to unsigned int.
131 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
133 * print-rtl.c (print_rtx): Cast enums to int for comparison.
134 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
136 * c-format.c (C_STD_VER): Cast to int for comparisons.
137 (check_function_format): Cast various enums to int for &.
138 (maybe_read_dollar_number): Likewise.
139 (check_format_info): Likewise.
140 (check_format_info_main): Likewise.
141 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
142 (safe_from_p): Likewise.
143 * varasm.c (const_hash): Cast enum to int for %.
144 * emit-rtl.c (init_emit_once): Use int loop variable to work around
145 pcc enum problems with < and ++ operators.
146 * regclass.c (init_reg_sets_1): Cast enums for comparison.
147 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
148 (regclass_init): Change enum class to int to iterate over reg_classes.
149 * genrecog.c (merge_trees): Cast enums for comparison.
150 * rtl.h (GET_CODE): Cast to enum rtx_code.
151 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
152 (GET_MODE): Cast to enum machine_mode.
153 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
154 (GET_NOTE_INSN_NAME): Cast enum to int.
155 * tree.h (TREE_CODE): Cast to enum tree_code.
156 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
157 * timevar.c (timevar_print): Change loop variable id from enum to
159 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
160 * config/i386/i386.md: Use PUT_MODE for mode assignment.
161 * toplev.c (compile_file): Cast enum DFI to int.
162 (decode_d_option): Likewise.
164 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
166 * cppinit.c (append_include_chain): Mark "after" include file name list
167 as a system directory.
168 * cpp.texi: Document new behavior.
170 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
172 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
174 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
176 * cppfiles.c (struct include_file): Update.
177 (stack_include_file): Use search_from.
178 (cpp_included, find_include_file): Update.
179 (cpp_execute_include): Update. ptr->name may not be
180 null terminated. Use the new search_from member variable
182 (_cpp_compare_file_date): Similarly.
183 (search_from): New function, similiar to actual_directory.
184 (actual_directory): Delete.
185 (remap_filename): Update. loc->name may not be null terminated.
186 (struct file_name_list): Rename search_path. Update.
187 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
189 (struct cpp_reader): Remove actual_dirs.
190 * cppinit.c (struct cpp_pending): Update for renamed objects.
191 (append_include_chain, remove_dup_dir, remove_dup_dirs,
192 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
193 * cpplib.h (struct cpp_options): Similarly.
195 2001-03-01 Zack Weinberg <zackw@stanford.edu>
197 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
198 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
199 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
200 config/clipper/xm-clix.h, config/convex/xm-convex.h,
201 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
202 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
203 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
204 config/i370/xm-linux.h, config/i370/xm-mvs.h,
205 config/i370/xm-oe.h, config/i386/xm-aix.h,
206 config/i386/xm-i386.h, config/i386/xm-osf.h,
207 config/i860/xm-i860.h, config/i960/xm-i960.h,
208 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
209 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
210 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
211 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
212 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
213 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
214 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
215 config/pj/xm-pj.h, config/romp/xm-romp.h,
216 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
217 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
218 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
219 config/v850/xm-v850.h, config/vax/xm-vax.h,
220 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
221 Do not define TRUE or FALSE.
223 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
224 empty by above change.
225 * config.gcc: Remove references to these files.
227 * configure.in: Detect stdbool.h.
228 * configure, config.in: Regenerate.
229 * system.h: Include stddef.h here if available.
230 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
231 Then set up a sensible boolean type at the very end.
233 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
234 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
236 * hash.h: Delete 'boolean' typedef and related #undefs.
238 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
239 all uses of 'boolean' with 'bool'.
241 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
243 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
244 * cppexp.c (lex): Cast enums for comparison.
245 * cppinit.c (parse_option): Cast enum for comparison.
246 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
247 (cpp_output_token): Likewise.
248 (cpp_can_paste): Cast enums for comparsion and plus/minus.
249 (cpp_avoid_paste): Cast enums for minus and comparison.
251 2001-03-01 Zack Weinberg <zackw@stanford.edu>
253 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
254 field to all array elements.
256 2001-03-01 Zack Weinberg <zackw@stanford.edu>
258 * cpphash.h (struct cpp_reader): Add print_version field.
259 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
260 just set print_version and other flags as appropriate.
261 (cpp_post_options): Print version here if print_version is set.
263 * toplev.c (exit_after_options): New flag.
264 (independent_decode_option): Don't exit here; just set
266 (main): Exit after calling lang_hooks.post_options if
267 exit_after_options is true.
269 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
270 (merge_include_chains): Adjust comment to match code.
272 2001-03-01 Zack Weinberg <zackw@stanford.edu>
274 * stringpool.c (set_identifier): New function.
275 * tree.h: Prototype it.
277 * c-parse.in: Kill D_YES. If compiled for objc, call
278 save_and_forget_protocol_qualifiers from init_reswords.
279 * objc/objc-act.c (remember_protocol_qualifiers,
280 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
281 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
283 (save_and_forget_protocol_qualifiers): New function.
284 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
286 2001-03-01 Diego Novillo <dnovillo@redhat.com>
288 * c-semantics.c (prune_unused_decls): Return error_mark_node
289 instead of (tree) 1 to stop traversing the tree chain.
291 2001-03-01 Bernd Schmidt <bernds@redhat.com>
293 Fix a problem introduced by Kenner's Feb 18 change.
294 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
295 flag_cse_skip_blocks only temporarily, not for ever.
297 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
299 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
300 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
302 * pa.c (emit_move_sequence): Verify operand0 is a hard register
303 before determining its register class.
305 2001-03-01 Bernd Schmidt <bernds@redhat.com>
307 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
308 from reg 4 if current_function_calls_setjmp.
309 (gen_nop_type): New function.
310 (ia64_emit_nops): New function.
311 (ia64_reorg): Call it.
312 (ia64_sched_reorder): Move code that rotates bundles up a bit.
314 * reload1.c (eliminate_regs_in_insn): Restrict the special case
315 code not to try to optimize adds with anything but a REG destination.
317 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
318 (INSN_PRIORITY_KNOWN): New accessor macro.
319 * haifa-sched.c (priority): Use it instead of testing priority against
322 2001-02-28 DJ Delorie <dj@redhat.com>
324 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
325 since that doesn't work the way gcc wants on a generic m68k.
327 2001-02-28 Richard Henderson <rth@redhat.com>
329 * caller-save.c (save_call_clobbered_regs): Fix typo in
330 comparison last change.
332 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
334 * i386.c (pentium4_cost): New.
335 (m_PENT4): New macro.
336 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
337 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
338 x86_integer_DFmode_moves, x86_partial_reg_dependency,
339 x86_memory_mismatch_stall): Add Pentium4
340 (x86_use_q_reg, x86_use_any_reg): Kill.
341 (override_options): Add pentium4.
342 (incdec_operand): Return 0 for pentium4.
343 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
344 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
345 (TARGET_PENTIUM4): Define.
346 (enum processor_type): Add PROCESSOR_PENTIUM4.
347 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
348 * i386.md (attribute "cpu"): Add pentium4.
349 * invoke.texi (march): Add pentium4.
351 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
353 * i386.md (sse_mov?fcc*): New patterns and splitters.
354 * i386.c (ix86_expand_movcc): Work post-reload; recognize
355 the SSE based conditional moves.
357 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
359 * i386.md (attribute mode): Add "TI".
360 (movsf_1): Add pxor support; remove constant propagation splitter.
361 (movdf_integer): Likewise.
362 (movdf_nointeger): Likewise.
363 (movxf constant prop splitter): Handle all modes; update for SSE.
364 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
365 * i386.c (standard_80387_constant_p): Rewrite.
366 (standard_sse_constant_p): New.
367 * i386-protos.h (standard_sse_constant_p): New.
369 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
371 * i386.md (sse_setccsf, sse_setccdf): New.
372 (sse_cmp* patterns): Use '%D' instead of outputtting condition
374 * i386.c (sse_comparison_operator): Accept the supported unordered
375 comparses; be ready for fast_math.
376 (print_operand): Support 'D'.
378 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
380 * jump.c (reversed_comparison_code): Kill.
382 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
384 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
387 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
389 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
390 add missing '%' in constraints.
392 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
394 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
395 for HOST_BITS_PER_WIDE_INT == 32 too.
397 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
399 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
401 (insert_save, insert_restore): New parameter save_mode.
402 (init_caller_save): Update initialization of reg_save_code
403 and reg_restore_code.
404 (save_call_clobbered_regs): Compute save_modes and update calls to
405 reg_save_code and reg_restore_code.
406 (insert_restore): Unsignetize numbers; use save_modes to choose mode
407 of spill; update use of reg_restore_code.
408 (insert_save): Likewise.
409 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
410 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
411 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
413 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
415 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
416 noce_try_store_flag_inc, noce_try_store_flag_mask,
417 noce_try_cmove_arith):
418 Use reversed_comparison_code instead of reverse_comparison and
419 can_reverse_comparison_p.
421 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
423 * jump.c (reversed_comparison_code_parts): Allow reversal of
424 unordered compares in -ffast-math mode; reverse ordered compares
425 for FP even w/o -ffast-math.
427 2001-02-27 Richard Henderson <rth@redhat.com>
429 * print-rtl.c (print_rtx) [i]: Don't print field five on
430 NOTEs other than NOTE_INSN_DELETED_LABEL.
432 2001-02-27 Zack Weinberg <zackw@stanford.edu>
434 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
435 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
437 2001-02-27 Diego Novillo <dnovillo@redhat.com>
439 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
440 even if walk_subtrees is 0.
441 * c-semantics.c (prune_unused_decls): Return a non-null value to
442 stop traversing the tree chain.
444 2001-02-27 DJ Delorie <dj@redhat.com>
446 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
447 register, *then* define it as the new CFA.
449 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
451 * pa.c (override_options): Promote -fpic to -fPIC.
452 (legitimize_pic_address): Simplify due to removal of
453 small PIC as a code generation option.
454 (secondary_reload_class): Similarly.
455 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
456 (PRINT_OPERAND_ADDRESS): Similarly.
457 * pa.md (various patterns): Similarly.
458 (small pic lo_sum pattern): Remove.
460 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
463 * md.texi (min, max): Document
465 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
467 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
468 TARGET_PARTIAL_REG_DEPENDENCY.
469 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
471 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
473 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
475 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
477 * mips.c (mips_make_temp_file): Fix thinko in last change.
479 2001-02-26 Jason Eckhardt <jle@redhat.com>
481 * combine.c (known_cond): Do not reverse the condition when
482 SMAX/UMAX is being considered and the condition is for equality
485 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
487 2001-02-26 Philip Blundell <philb@gnu.org>
489 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
491 * config/arm/linux-elf.h: Remove historical relics related to
492 above configurations.
493 * config/arm/linux-oldld.h: Delete.
494 * config/arm/linux-elf26.h: Delete.
496 2001-02-26 Jason Merrill <jason@redhat.com>
498 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
500 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
501 recognize a tentative definition. Lose obsolete code.
503 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
504 variables unless necessary, either.
506 2001-02-25 Richard Henderson <rth@redhat.com>
508 * ifcvt.c (struct noce_if_info): Add test_bb.
509 (noce_get_alt_condition): New.
510 (noce_try_minmax, noce_try_abs): New.
511 (noce_operand_ok): New.
512 (noce_process_if_block): Use them.
513 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
515 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
517 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
520 2001-02-25 Zack Weinberg <zackw@stanford.edu>
522 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
523 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
525 (mips_asm_file_end): Free temp_filename here.
527 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
529 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
530 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
532 * config/i386/i386.md (movstrsi): Handle FAIL case.
534 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
536 * cppinit.c (builtin_array): Update.
537 (init_builtins): Flag builtins to warn if redefined or
538 undefined. Define __GXX_WEAK as a normal macro.
539 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
540 * cpplib.h (NODE_WARN): New flag.
541 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
542 Handle __STDC__ as a builtin only on Solaris.
543 (warn_of_redefinition): Renamed from check_macro_definition.
544 Reverse sense of test. Always warn if NODE_WARN.
545 (_cpp_create_definition): Use warn_of_redefinition. Flag
546 any macro beginning with "__STDC_" to require a mandatory
547 warning if redefined or undefined.
549 2001-02-24 Zack Weinberg <zackw@stanford.edu>
551 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
552 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
553 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
554 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
555 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
556 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
558 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
559 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
560 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
561 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
562 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
564 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
565 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
568 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
569 Delete now-empty file.
571 * alpha/vms.h: Define NEED_ATEXIT here...
572 * alpha/xm-vms.h: ...not here.
574 * i386/cygwin.h: Don't define PARAMS.
575 * mips/mips.c: Don't prototype mktemp. Don't define
576 P_tmpdir. Use make_temp_file to create temporary files.
577 Don't be clever and delete temporary files early.
578 * config.gcc: Drop references to deleted files. Don't define
580 * gcc.texi: Don't mention USE_PROTOTYPES.
582 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
584 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
585 (ix86_set_move_mem_attrs_1): Likewise.
586 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
587 * config/i386/i386.md (movstrsi): Call it.
589 2001-02-24 Zack Weinberg <zackw@stanford.edu>
591 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
592 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
593 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
594 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
596 (i750a-*-*): Error here if hosting on i750a.
597 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
599 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
600 Remove (empty modulo comments).
602 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
603 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
604 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
605 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
606 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
607 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
609 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
610 Remove reference to winnt.h in comment.
611 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
613 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
615 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
616 used to set another biv.
618 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
620 * tree.h (BLOCK_DEAD): New macro.
621 (struct tree_block): New flag, dead_flag.
622 * print-tree.c (print_node, case 'b'): Print missing fields.
623 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
624 * function.c (identify_blocks): Enable test for misplaced notes.
625 (all_blocks): Skip BLOCK_DEAD blocks.
626 * integrate.c (integrate_decl_tree): Likewise.
628 * errors.c (internal_error, trim_filename): New functions.
629 (fancy_abort): Call internal_error.
630 * errors.h (internal_error, trim_filename): New declarations.
632 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
634 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
636 (EXTRA_CONSTRAINT): Formatting changes.
638 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
640 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
642 2001-02-23 Per Bothner <per@bothner.com>
644 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
645 so they can be called from java/jvspec.c.
646 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
648 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
650 * i386.c (ix86_frame): New structure.
651 (ix86_compute_frame_size): Kill.
652 (ix86_compute_frame_layout): New.
653 (ix86_save_reg): New.
654 (ix86_can_use_return_insn_p): Use frame layout stuff.
655 (ix86_expand_prologue): Likewise.
656 (ix86_expand_epilogue): Likewise.
657 (ix86_initial_elimination_offset): Likewise.
658 (ix86_nsaved_regs): Use ix86_save_reg.
659 (ix86_emit_save_regs): Likewise.
661 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
663 * flow.c (find_sub_basic_blocks): New function.
664 (split_block): Be ready for basic block introduced by CODE_LABEL.
665 (commit_one_edge_insertion): Call find_sub_basic_block.
667 * flow.c (make_edges): Add edge from entry for blocks starting with
668 label having ALTERNATE_NAME
670 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
672 * function.c (epilogue_done): Be ready for first basic block not
673 containing PROLOGUE_END note.
674 (reposition_prologue_and_epilogue_notes): Avoid placing
675 PROLOGUE_END note between BASIC_BLOCK.
677 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
679 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
681 2001-02-21 DJ Delorie <dj@redhat.com>
683 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
684 check for current_function_has_nonlocal_goto from 1999-11-12.
686 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
688 * diagnostic.c (trim_filename): No longer static.
689 * toplev.h (trim_filename): Declare.
690 * rtl.c (rtl_check_failed_bounds): Call internal_error.
691 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
692 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
693 (rtvec_check_failed_bounds): Likewise.
694 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
696 * convert.c (convert_to_integer): Don't do unsigned unless result or
697 both inputs are unsigned.
699 * fold-const.c (fold_convert): Don't call size_int_type_wide if
702 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
704 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
706 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
708 * Makefile.in (resource.o): Add params.h dependence.
709 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
710 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
711 * resource.c: Add dependence on params.h.
712 (current_live_regs): Fix explanatory comment.
713 (find_basic_block): Add new parameter to permit limiting search
715 (mark_target_live_regs): Add new argument to find_basic_block call.
716 (incr_ticks_for_insn): Likewise.
718 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
720 * diagnostic.c (output_to_stream): Rename to
721 output_buffer_to_stream. Loses the stream parameter.
722 (init_output_buffer): Set diagnosic_buffer's stream.
723 (flush_diagnostic_buffer): Adjust.
724 (default_print_error_function): Likewise.
725 (finish_diagnostic): Likewise.
726 (verbatim): Likewise.
728 * diagnostic.h (struct output_buffer): Add `stream' field.
729 (output_buffer_attached_stream): New macro.
731 2001-02-23 Jakub Jelinek <jakub@redhat.com>
733 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
734 check if either operand is divisible by C.
735 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
736 If type is signed, consider negative numbers as well.
738 2001-02-22 Richard Henderson <rth@redhat.com>
740 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
741 reach .text instead of gp-relative relocs.
742 * config/ia64/crtend.asm (.init): Likewise.
744 2001-02-22 Andreas Jaeger <aj@suse.de>
746 * extend.texi (C++ Attributes): Fix typo.
748 2001-02-21 David Mosberger <davidm@hpl.hp.com>
750 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
751 functions, drop current_function_args_info.words test.
752 (ia64_compute_frame_size): Mark syscall_linkage functions as
753 using eight input registers.
755 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
756 Bruce Korb <bkorb@gnu.org>
758 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
759 * fixinc/README: Document how to convert sed substitutions
760 to format style c_fix-es.
761 * fixinc/fixincl.x: regen
763 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
765 * gcc.c: Add comment explaining how to add a command-line option.
766 Add title to specs language comment.
768 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
770 * gcc.c (cc1_options): Add "-param".
771 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
772 (option_map): Likewise.
773 * toplev.c (display_help): Add entry for "--param".
774 (independent_decode_option): Fix typographical error.
776 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
777 Bernd Schmidt <bernds@redhat.com>
778 Jan Hubicka <jh@suse.cz>
780 * i386.c (function_arg_advance): Pass SSE arguments in registers.
781 (function_arg): Likewise.
783 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
785 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
787 2001-02-21 Kazu Hirata <kazu@hxi.com>
789 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
793 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
795 * flow.c (init_propagate_block_info): Canon address and use single_set
796 for killing dead memory stores.
798 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
800 * Makefile.in (reorg.o): Add params.h dependence.
801 * params.def: Fix typographical error in comment.
802 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
803 * params.h: Modify introductory comment.
804 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
805 * reorg.c: Add dependence on params.h.
806 (redundant_insn): Add parameterized throttle for search.
807 (fill_simple_delay_slots): Add a comment explaining a variable.
808 Move conditional out of loop, simplifying code.
809 (fill_eager_delay_slots): Fix typographical error in comment.
811 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
813 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
815 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
816 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
818 2001-02-21 Jason Merrill <jason@redhat.com>
820 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
821 (struct tree_decl): Add uninlinable bitfield.
822 * c-decl.c (duplicate_decls): Set it.
823 * integrate.c (function_cannot_inline_p): Check it.
825 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
826 DW_AT_MIPS_linkage_name to abstract methods.
827 (dwarf2out_abstract_function): Emit class context before calling
828 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
829 (gen_subprogram_die): Remove obsolete code.
830 (gen_member_die): Don't include clones in the member list.
831 (gen_decl_die): Emit abstract info for clone origin.
832 * dwarfout.c (output_type): Don't include clones in the member list.
833 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
834 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
835 DECL_ABSTRACT on a function that already has it set.
837 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
838 (get_subprogram_die): Pass it in.
840 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
842 * flow.c (mark_set_1): Make not_dead unsigned long. For
843 non-pseudos, use it as a bitmask of the hard regs that
846 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
848 * cppfiles.c: Update comments.
849 (_cpp_read_file): Don't check for NULL filenames any more.
850 * cppinit.c (cpp_start_read): Don't do canonicalization of
851 in_fname and out_fname. Use the passed file name exclusively.
852 (_cpp_handle_options): Don't treat "-" as a command line option,
853 but as a normal filename.
854 (_cpp_post_options): Canonicalize in_fname and out_fname.
855 * cppmain.c (printer_init): Don't check out_fname for NULL.
856 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
857 (init_c_lex): Update, and use "" to represent stdin to CPP.
860 2001-02-20 Will Cohen <wcohen@redhat.com>
862 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
863 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
864 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
867 2001-02-20 Stan Shebs <shebs@apple.com>
869 * config/rs6000/rs6000.c (output_cbranch): Output branches
870 on separate lines instead of using ';' to separate.
872 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
874 * cppinit.c (set_lang): Move builtin handling to...
875 (init_builtins): ...here.
876 (_cpp_create_reader): Move call to set_lang.
878 2001-02-20 Mark Mitchell <mark@codesourcery.com>
880 * stmt.c (expand_return): If an attempt is made to return the
881 error_mar_node, treat the return like a return without a value.
883 2001-02-19 Zack Weinberg <zackw@stanford.edu>
885 * sibcall.c (skip_copy_to_return_value): Call
886 identify_call_return_value here, and return orig_insn if it
887 returns zero. Hardret and softret arguments now unnecessary.
888 (call_ends_block_p): Don't call identify_call_return_value here.
890 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
892 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
893 * ggc.h (ggc_mark_if_gcable): Delete prototype.
895 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
897 * pa.c (move_operand): Accept code to load the address of a
898 symbol out of the DLT as a valid move operand.
899 (print_operand, case 'A'): New to handle generating a DLT
900 reference for a LO_SUM expression.
901 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
902 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
904 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
906 * README, cpp.texi, gcc.texi, version.c: Update version number to
908 * cpp.1, gcov.1, gcc.1: Regenerate.
910 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
912 * cppfiles.c (stack_include_file): Generate dependencies
913 here, and manage include_count here too.
914 (PRINT_THIS_DEP): Delete.
915 (_cpp_execute_include): Do not generate dependencies here,
916 apart from the case of a missing header. Do not manage
918 (_cpp_read_file): Leave dependency generation to
921 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
923 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
924 target_cpu_default. Remove dead assignment to
927 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
929 * regclass.c (contains_reg_of_mode): Make global.
930 (init_reg_sets): Remove contains_reg_of_mode; take into account
931 CLASS_MAX_NREGS when looking for the proper mode.
932 (dump_regclass): Dump only classes considered for the pseudo.
933 (regclass): Use contains_reg_of_mode.
935 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
937 * gcc.c (do_spec_1): 'n' for printing notices.
938 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
940 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
942 * reg-stack.c (next_flags_user): Use current_block->end
943 (swap_rtx_condition): Look for next user if flags don't die;
944 give up on CALL_INSNs; use current_block->end.
946 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
948 * sibcall.c (call_ends_block_p): New function.
949 (optimize_sibling_and_tail_recursive_call): Use it.
951 2001-02-18 Kazu Hirata <kazu@hxi.com>
953 * config/h8300/h8300.md: Update copyright.
954 (andsi3): Do not output an extra newline character.
956 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
958 * toplev.c (note_deferral_of_defined_inlined_function): Argument
959 FNDECL may be unused.
961 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
962 follow jumps after first run.
963 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
964 it doesn't change any jumps.
966 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
968 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
969 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
970 (mostlyclean): Corresponding changes.
971 * rtlanal.c (hard-reg-set.h): Include.
972 (rtx_unstable_p): Do not treat the argument pointer specially
973 if it is not a fixed register.
974 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
976 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
978 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
979 against last real insn in basic block.
980 Rework to avoid gotos.
982 * Makefile.in (gcse.o): Now includes ggc.h.
983 * gcse.c: Include ggc.h.
984 (want_to_gcse_p): Verify expression can be in SET as valid insn.
985 (try_replace_reg): Remove warning of uninitialize variable.
986 (process_insert_insn): Call invalid_insn_p to validate insn.
987 * recog.c (insn_invalid_p): Now global.
988 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
989 * recog.h (insn_invalid_p): New declaration.
991 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
993 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
994 assignments from FP constants since 'Y' output code can't handle it.
995 (eligible_for_sibcall_delay): Likewise.
997 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
998 Call fancy_abort directly, passing args.
999 (print_rtl_and_abort): Now a macro, like fancy_abort.
1001 * final.c (output_operand_lossage): Use internal_error, not error.
1003 2001-02-18 Shane Nay <shane@agendacomputing.com>
1005 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1006 structure shift insns.
1008 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1010 * invoke.texi (-fsquangle): Remove documentation.
1011 (-fname-mangling-version): Likewise.
1013 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1015 * optabs.c (expand_abs): Remove reference to
1016 HAVE_contitional_arithmetic.
1017 * combine.c (simplify_set): Likewise.
1019 2001-02-18 Richard Henderson <rth@redhat.com>
1021 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1024 2001-02-18 Richard Henderson <rth@redhat.com>
1026 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1028 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1030 * reload1.c (reload_cse_simplify_set): Fix typo.
1032 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1034 * diagnostic.c (_fatal_insn): Decrement errorcount.
1036 * invoke.texi (-I): Add note avoiding use for system header files.
1038 * rtl.h (add_clobbers): Remove duplicate declaration.
1039 * recog.h (added_clobbers_hard_reg_p): New declaration.
1040 * genemit.c (struct clobber_pat): New field has_hard_reg.
1041 (gen_insn): Record if added clobbers clobber hard reg.
1042 (gen_split): Avoid unused warning if number of operands is 0.
1043 (output_added_clobbers_hard_reg_p): New function.
1046 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1048 * pa.c (hppa_expand_prologue): Simplify code storing return
1049 pointer. For large (>=8k) frames with a post_store, adjust stack
1050 pointer by 8k-64 first rather than by 64. When testing with
1051 VAL_14_BITS_P, always use the actual value rather than the value
1052 negated. Add blockage to prevent scheduling of spills before
1053 stack frame has been created.
1054 (hppa_expand_epilogue): Simplify code loading return pointer.
1055 Allow a slightly larger range for merge_sp_adjust_with_load case.
1056 When testing with VAL_14_BITS_P, always use the actual value.
1058 * pa.c (pa_adjust_insn_length): Check that block move
1059 pattern is a set before looking at operands.
1061 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1063 * fold-const.c (fold_binary_op_with_conditional_arg): New
1064 function, split out from ...
1066 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1067 conditional arms that throw exceptions.
1069 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1072 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1074 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1075 define HAVE_DECL_* to 1 to mask potential backup declarations.
1076 * configure: Regenerated.
1078 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1080 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1082 2001-02-17 Richard Henderson <rth@redhat.com>
1084 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1085 when replacing a memory load with a register.
1087 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1088 Jan Hubicka <jh@suse.cz>
1090 * recog.c (validate_replace_src_1): New.
1091 (validate_replace_src_data): Likewise.
1092 (validate_replace_src): Use note_uses.
1093 * rtl.h (note_uses): Declare.
1094 * rtlanal.c (note_uses): New.
1096 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1098 * reg-stack.c (stack_def): Make field reg unsigned.
1099 (remove_regno_note): Unsignetize parameter.
1101 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1103 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1104 shladd_operand() call.
1106 2001-02-16 Bruce Korb <bkorb@gnu.org>
1107 Rodney Brown <RodneyBrown@mynd.com>
1109 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1110 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1111 machine restrictions
1112 * fixinc/fixincl.x: regen
1114 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1116 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1118 (hash_scan_insn): Clean up calls to hash_scan_set.
1119 (compute_kill_rd): REGNO now unsigned.
1120 (try_replace_reg): Rework to use simplify_replace_rtx.
1121 (cprop_jump, cprop_cc0_jump): Likewise.
1122 (cprop_insn): Call find_reg_equal_equiv_note.
1123 Reflect changes to cprop_jump and cprop_cc0_jump.
1125 * recog.c (validate_replace_src): Replace in operands of
1126 ZERO_EXTRACT in SET_DEST.
1128 * cse.c (new_label_ref): New variable.
1129 (insert): Set it instead of recorded_label_ref.
1130 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1131 CODE_LABEL for this function, and not already in REG_LABEL note.
1133 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1135 * resource.c (mark_referenced_resources): Fix typo in introductory
1137 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1140 2001-02-16 Jason Merrill <jason@redhat.com>
1142 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1144 (gen_subprogram_die): Don't abort on seeing a second definition if
1145 the previous one was abstract. Don't replace an abstract instance
1146 in the lookup table.
1148 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1149 gen_abstract_function.
1150 * dwarf2out.h: Declare it.
1151 * toplev.c (note_outlining_of_inline_function): New fn.
1152 * toplev.h: Declare it.
1153 * integrate.c (output_inline_function): Call it.
1154 * c-decl.c (duplicate_decls): Call it when redefining an extern
1155 inline. Don't inline the new defn.
1157 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1159 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1161 * .gdbinit: Rename to gdbinit.in.
1162 * gdbinit.in: New file,
1163 * configure.in: Generate .gdbinit from gdbinit.in.
1164 * configure: Regenerated.
1165 * Makefile.in (distclean): Always remove .gdbinit.
1167 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1169 * objc/objc-act.c (start_class): Register implemented_classes with
1172 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1174 * cppfiles.c (_cpp_make_system_header): Generate a file
1177 2001-02-15 Jim Meyering <meyering@lucent.com>
1179 * Makefile.in (install-common): Don't depend on installdirs here.
1180 Instead, make each of the lang.install-common targets (e.g.,
1181 c++.install-common in cp/Make-lang.in) depend on it.
1182 (install-driver): Depend on installdirs.
1184 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1186 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1188 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1191 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1193 * invoke.texi (--param): Document.
1195 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1197 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1199 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1201 * i386.md (extendsfdf2_2): Fix constraints.
1203 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1205 * i386.md (fop_df_3 splitter): Fix operand number.
1207 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1209 * invoke.texi (-mreg-alloc): Nuke.
1210 * i386.c (ix86_reg_alloc_order, regs_allocated,
1211 order_regs_for_local_alloc): Nuke.
1212 (override_options): Kill reg_alloc code.
1213 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1214 (REG_ALLOC_ORDER): SSE goes before I387.
1215 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1216 (ix86_reg_alloc_order): Likewise.
1217 * i386-protos.h (ix86_reg_alloc_order): Kill.
1219 2001-02-14 Richard Henderson <rth@redhat.com>
1221 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1223 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1225 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1227 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1229 * i386-protos.h (ix86_memory_move_cost): Move offline.
1230 * i386.c (ix86_register_move_cost): Compute properly cost of
1231 SSE, MMX and i387 instructions.
1232 (*_cost): Add costs of SSE/MMX moves.
1233 (ix86_memory_move_cost): Move offline from ....; Likewise.
1234 * i386.h (MEMORY_MOVE_COST): .... here;
1235 (struct processor costs): Add new fields to represent costs
1238 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1240 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1241 move_cost together with Matt Kraai's fix.
1243 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1245 * Makefile.in (OBJS): Add params.o.
1247 2001-02-14 Richard Henderson <rth@redhat.com>
1248 DJ Delorie <dj@redhat.com>
1250 * jump.c (jump_optimize_1): When we delete a conditional jump
1251 preceeding a non-conditional jump to effectively the same place,
1252 make sure that the combined jump skips any clobber insns between
1255 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1257 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1259 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1261 * Makefile.in (toplev.o): Depend on params.h.
1262 (intergate.o): Likewise.
1263 (params.o): New target.
1264 * flags.h (inline_max_insns): Remove.
1265 * integrate.c: Include params.h.
1266 Use MAX_INLINE_INSNS instead of inline_max_insns.
1267 * params.c: New file.
1268 * params.h: Likewise.
1269 * params.def: Likewise.
1270 * toplev.c: Include params.h.
1271 (lang_independent_params): New variable.
1272 (decode_f_option): Use the param machinery instead of setting
1274 (independent_decode_option): Handle "--param name=value".
1275 (main): Register language-independent parameters.
1277 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1279 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1281 2001-02-14 Richard Henderson <rth@redhat.com>
1283 * regclass.c (init_reg_sets_1): Revert last two changes.
1285 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1287 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1288 (variable_size): Call put_pending_size.
1289 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1290 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1291 sizes list, put newly created SAVE_EXPR there as well.
1293 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1295 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1296 (errata_find_address_regs): load_group has only 2 entries.
1297 (errata_emit_nops): Likewise. shladd is not problematic.
1298 Clear last_group if nop was emitted.
1299 (fixup_errata): load_group has only 2 entries.
1302 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1304 * c-lex.c (lex_number): Only warn traditionally for U suffix
1305 outside system macros.
1306 * cppexp.c (parse_number): Similarly.
1307 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1308 * cppmacro.c (struct cpp_macro): New member node.
1309 (parse_args): Only warn about missing rest args if not
1311 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1312 (cpp_sys_objmacro_p): New.
1313 (_cpp_create_definition): Store the node with the macro defn.
1314 Remember if the macro is defined in a system header.
1316 2001-02-13 DJ Delorie <dj@redhat.com>
1318 * configure.in (check_languages): determine languages to check
1319 * Makefile.in (check-c++): alias for check-g++
1320 (check-f77): alias for check-g77
1321 (CHECK_TARGETS): depend on configured languages
1323 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1325 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1326 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1327 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1328 (sqrtextendsfdf2): Disable for SSE2.
1330 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1332 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1333 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1334 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1335 (sqrtextendsfdf2): Disable for SSE2.
1337 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1339 * i386.md (movsfcc_1): Support integer cmove instruction.
1340 (movdfcc_1): Likewise; new splitter.
1342 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1344 * i386.c (output_fp_compare): Support SSE.
1345 (prepare_fp_compare_args): SSE comparisons always support memory.
1346 * i386.h (TARGET_CMOVE): SSE imply cmove.
1347 * i386.md (cmp?f2): Enable for SSE too.
1348 (cmpfp_i*): Support SSE.
1350 (cmpfp_i_sse_only): New.
1351 (s*, b* fp expanters): Enable for SSE too.
1352 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1355 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1357 * regclass.c (init_reg_sets_1): Silence warning.
1359 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1361 * i386.md (sqrt?f2): Change to expander.
1362 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1364 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1366 * rtlanal.c (find_reg_equal_equiv_note): New function.
1367 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1368 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1369 * rtl.h: Add declarations for above functions.
1371 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1373 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1375 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1376 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1377 * flow.c (mark_regs_live_at_end): Likewise.
1378 (calculate_global_regs_live): Likewise.
1379 * gcse.c (compute_hash_table): Likewise.
1380 (compute_kill_rd): Likewise.
1381 * resource.c (mark_target_live_regs): Likewise.
1382 * rtl.h (INVALID_REGNUM): New macro.
1384 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1386 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1388 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1390 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1393 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1395 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1397 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1398 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1399 (fop_sf_1_sse, fop_df_1_sse): New patterns
1400 (fop_*): Disable float_extend and float patterns for SSE compilation.
1401 * i386.c (output_387_binary_op): Support SSE.
1403 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1405 * i386.md (dummy_extendsfdf2): Support SSE2
1406 (extendsfdf2): Enable if 80387 or SSE2.
1407 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1408 and no MIX_I387_SSE2
1409 (extendsfdf2_1_sse_only): New pattern.
1410 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1412 (truncdfsf2_1): Support SSE.
1413 (truncdfsf2_2): Support SSE.
1414 (truncdfsf2_2_1_sse): New pattern.
1415 (fixtruncsfsi2): Always use SSE if available.
1416 (fix_truncsfsi_sse): New pattern.
1417 (fix_truncdfsi_sse): New pattern.
1418 (floatsis?f2): Support SSE.
1419 (floatsidf2_i387): New pattern.
1420 (floatsidf2_sse): Likewise.
1422 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1424 * configure.in: Use "have_gnat" variable, not "gnat".
1425 * configure: Regenerated.
1427 * config/sparc/sparc.c (function_value): Treat all non-record
1428 aggregate types like used to treat UNION_TYPE.
1430 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1432 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1433 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1435 (MASK_MIX_SSE_I387): New.
1436 (TARGET_SSE): SSE2 imply SSE.
1437 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1438 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1439 (enum reg_class): Add new classes.
1440 (REG_CLASS_NAMES): Likewise.
1441 (REG_CLASS_CONTENTS): Likewise.
1442 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1443 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1444 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1445 (CLASS_MAX_NREGS): Use new macros.
1446 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1447 * i386.md (pushsf, movsf): Support SSE.
1448 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1449 splitters to use ANY_FP_REGNO_P.
1450 (movdf_nointeger, movdf_integer): Likewise.
1452 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1454 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1455 (try_combine): Use it.
1457 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1459 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1460 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1461 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1462 (REGISTER_MOVE_COST): Likewise.
1463 * i386-protos.h (ix86_secondary_memory_needed,
1464 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1465 * i386.c (ix86_secondary_memory_needed,
1466 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1468 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1470 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1471 (HARD_REGNO_MODE_OK): Move offline to ....
1472 * i386.c (ix86_hard_regno_mode_ok) ... here;
1473 refuse all incorrect modes.
1474 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1476 2001-02-13 Richard Henderson <rth@redhat.com>
1478 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1479 entire operator; replicate that and match_dup the operands.
1480 (cmp_ccx_arith_op_set): Likewise.
1481 (cmp_cc_arith_op_not_set): Likewise.
1482 (cmp_ccx_arith_op_not_set): Likewise.
1484 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1486 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1488 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1490 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1491 (TARGET_NO_BITFIELD_WORD): New macro.
1492 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1493 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1495 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1497 * cselib.c: New file, from simplify-rtx.c.
1498 * simplify-rtx.c: Remove cselib parts.
1499 * Makefile.in: Add cselib.o.
1501 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1503 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1504 (setup_incoming_varargs): Remove warning.
1506 * config/rs6000/rs6000.c (validate_condition_mode): When
1507 flag_fast_math, allow floating-point conditionals to be reversed.
1508 (rs6000_generate_compare): When flag_fast_math, don't generate
1509 cror operations for FP conditionals.
1511 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1513 (ASM_SPEC): Likewise.
1514 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1515 (CC1_SPEC): Likewise.
1516 (LINK_TARGET_SPEC): Likewise.
1517 (CPP_ENDIAN_SPEC): Likewise.
1518 * Makefile.in (check-consistency): New target.
1520 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1522 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1523 "return type defaults" warning for functions with return type
1525 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1526 function declarations by default rather than only when pedantic.
1528 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1530 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1533 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1535 * extend.texi (Deprecated): Deprecate new initializer lists.
1537 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1539 * mkdeps.c (deps_add_default_target): Robustify. Add
1540 basename component only.
1541 * cpp.texi (-M): Describe how default target is generated.
1542 * invoke.texi (-M): Likewise.
1544 2001-02-12 Kazu Hirata <kazu@hxi.com>
1546 * toplev.c (push_float_handler): Remove.
1547 (pop_float_handler): Remove.
1548 * toplev.h: Remove prototypes for the above functions.
1550 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1552 * c-common.c (constant_fits_type_p): New function.
1553 (convert_and_check): Use it.
1555 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1557 * Makefile.in (GXX_ABI_FLAG): Don't define.
1558 * configure.in (--enable-new-gxx-abi): Remove option.
1559 * config.in: Regenerated.
1560 * configure: Likewise.
1562 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1564 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1566 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1567 regular basic block, and arrange for all edges into it to switch
1570 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1572 * Makefile.in (distclean): Do not remove .gdbinit.
1574 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1576 * Makefile.in (gcc.o): Fix typos.
1577 (protize.o): Likewise.
1578 (unprotoize.o): Likewise.
1580 2001-02-11 Richard Henderson <rth@redhat.com>
1582 * tree.c (build1): Check for null operand in last change.
1584 2001-02-11 Richard Henderson <rth@redhat.com>
1586 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1587 (fold): Don't assume a constant isn't foldable.
1588 * tree.c (build): Set TREE_CONSTANT for an expression with no
1589 side-effects and constant operands.
1592 2001-02-10 Richard Henderson <rth@redhat.com>
1594 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1596 2001-02-10 Anthony Green <green@redhat.com>
1598 * cpp.texi (Standard Predefined): Add documentation for
1601 * c-common.c (combine_strings): Improve warning message.
1603 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1605 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1607 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1609 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1611 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1614 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1616 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1619 2001-02-09 Nick Clifton <nickc@redhat.com>
1621 * config/arm/arm.md: Change output contraint on post inc
1622 load/store multiple patterns to be a read/write contraint.
1624 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1626 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1627 .o files when using the -M options.
1629 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1630 David Edelsohn <edelsohn@gnu.org>
1632 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1633 handle DImode constants. Use one TOC entry for SImode and smaller
1634 constants, aligned properly.
1636 2001-02-08 Jason Merrill <jason@redhat.com>
1638 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1639 about the SP adjustment for saving the static chain pointer.
1640 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1641 offset when setting a temporary CFA register.
1643 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1645 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1646 powerpc-*-chorusos* .
1647 * config/rs6000/chorus.h : New file.
1648 * config/i386/chorus.h : New file.
1649 * config/sparc/chorus.h : New file.
1650 * config/sparc/t-chorus-elf : New file.
1652 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1654 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1655 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1656 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1657 (__WCHAR_TYPE__): Correct macro name.
1659 2001-02-08 Richard Henderson <rth@redhat.com>
1661 * config/i386/i386.c (ix86_frame_pointer_required): New.
1662 (ix86_setup_frame_addresses): New.
1663 (struct machine_funciton): Add accesses_prev_frame.
1664 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1665 ix86_frame_pointer_required.
1666 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1667 (SETUP_FRAME_ADDRESSES): New.
1668 * config/i386/i386-protos.h: Update.
1669 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1670 from FRAME_POINTER_REQUIRED.
1671 * config/i386/svr3gas.h: Likewise.
1672 * config/i386/sysv3.h: Likewise.
1673 * config/i386/v3gas.h: Likewise.
1675 2001-02-08 Richard Henderson <rth@redhat.com>
1677 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1678 calculation of the number of integer registers required.
1679 (function_arg_record_value): Likewise.
1681 2001-02-08 Jason Merrill <jason@redhat.com>
1683 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1684 two. Print file and line with "confused" message.
1686 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1688 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1690 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1692 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1694 * final.c (cleanup_subreg_operands): The address of a MEM can
1697 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1700 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1702 * gcc.texi (Incompatibilities): Update documentation of
1703 preprocessing numbers.
1705 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1707 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1709 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1711 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1713 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1714 * gcc.c (struct compiler): Add cpp_spec field.
1715 (input_file_compiler): New variable.
1716 (do_spec_1): Allow a particular compiler to handle `%C'
1718 (main): Store the current compiler in input_file_compiler.
1719 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1721 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1723 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1724 * cppinit.c (cpp_create_reader): Initialize them.
1725 (append_include_chain): cxx_aware arg might be unused.
1726 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1727 keywords and give them their phase 7 meaning. Pedwarn about
1728 this unless '__bool_true_false_are_defined' is defined.
1730 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1732 * lcm.c (optimize_mode_switching): Emit mode_set before the
1733 JUMP_INSN of an abnormal edge.
1735 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1737 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1738 a scheduling barrier at the end.
1740 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1742 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1744 * config/sh/sh.md (reload_outsf): Removed.
1745 (movsf_ie): Introduce constraints for FPUL loads and stores.
1746 (reload_insf): Broaden the output constraint.
1748 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1750 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1751 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1753 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1755 * final.c: Revert my previous changes.
1756 * output.h: Make profile_label_no extern.
1757 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1758 for generating label.
1760 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1762 * config/i386/djgpp.h: Add comments about standard paths.
1763 (MD_EXEC_PREFIX): Undefine before defining.
1764 (MD_STARTFILE_PREFIX): New.
1766 2001-01-30 Bruce Korb <bkorb@gnu.org>
1768 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1769 (load_file): do not rely on load_file_data() to close file pointer
1770 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1771 fixinc/inclhack.def(irix_limits_const): add test_text
1773 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1775 * cppexp.c (parse_defined): Improve diagnostics for invalid
1778 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1780 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1782 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1784 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1785 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1786 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1787 (rs6000_output_symbol_ref): New function.
1788 (output_toc): Use VTABLE_NAME_P.
1790 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1792 * print-tree.c (print_node, case PARM_DECL):
1793 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1795 * stor-layout.c (reference_types_internal): New variable.
1796 (internal_reference_types): New function.
1797 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1798 * tree.h (internal_reference_types): New declaration.
1800 * cse.c (find_best_addr): Fix typo in computing cost.
1802 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1804 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1805 and this is the sum of a pointer and a constant, we know the result
1807 (num_sign_bit_copies, case PLUS): Likewise.
1808 * explow.c (convert_memory_address): Remove opposite SUBREG.
1809 * function.c (instantiate_new_reg): New function (from common code).
1810 (instantiate_virtual_regs_1): Call it.
1811 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1812 if pointers sign- or zero-extend.
1813 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1814 If pointers extend unsigned, use inside of SUBREG.
1815 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1817 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1819 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1820 subdir of gcc_gxx_include_dir.
1821 (gcc_gxx_target_include_dir): Remove.
1823 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1825 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1826 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1827 a high-level description.
1829 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1831 * final.c: Move the declaration of profile_label_no to ...
1832 * output.h: ... here.
1833 * function.c (expand_function_start): Call PROFILE_HOOK.
1834 * config/rs6000/aix.h: Define PROFILE_HOOK.
1835 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1836 * config/rs6000/rs6000.c (output_profile_hook): Define.
1837 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1838 output_profile_hook.
1839 tm.texi : Explain new macro PROFILE_HOOK.
1841 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1843 * extend.texi (Extended Asm): Do not say that semicolon is always
1844 a valid line-breaking character for GNU assemblers. Use
1845 newline-tab as the most commonly supported syntax. Use
1846 newline-tab rather than semicolon in multi-insn examples.
1848 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1850 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1852 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1853 David Edelsohn <edelsohn@gnu.org>
1855 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1856 code for AIX, even without flag_pic.
1858 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1860 * c-typeck.c (common_type): push and pop binding level around
1861 calling common_type on function parameters.
1863 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1865 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1867 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1869 * config/mips/mips.c (override_options): Fix typo in last change.
1870 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1871 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1873 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1875 * invoke.texi (-fdump-class-layout): Document.
1876 (-fdump-translation-unit): Use `=' as filename separator.
1878 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1880 * Makefile.in (s-mlib): Don't build multilibs if
1882 (DRIVER_DEFINES): Adjust accordingly.
1884 (protoize.o): Likewise.
1885 (unprotoize.o): Likewise.
1886 * configure.in: Recognize --enable-multilib.
1888 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1890 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1892 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1893 * configure.in: Remove --enable-libstdcxx_v3 support.
1894 * configure: Regenerated.
1896 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1898 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1899 Call abort instead of fatal.
1900 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1901 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1902 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1903 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1904 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1905 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1907 * diagnostic.h (set_internal_error_function): Renamed.
1908 * toplev.h (internal_error): Renamed from fatal.
1909 (pfatal_with_name): Deleted.
1910 (fatal_io_error): Now has printf-style arguments.
1911 * diagnostic.c (pfatal_with_name): Deleted.
1912 (fatal_io_error): Rework to have args in printf-style.
1913 (set_internal_error_function): Renamed from set_fatal_function.
1914 (internal_error): Renamed from fatal.
1915 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1916 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1917 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1918 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1919 * flow.c (verify_flow_info): Likewise.
1920 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1921 * config/mips/mips.c (save_restore_insns): Likewise.
1923 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1924 * flow.c (verify_flow_info): Likewise.
1925 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1926 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1927 (avr_normalize_condition): Likewise.
1928 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1929 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1930 (limit_reload_class, double_reg_to_memory): Likewise.
1931 (print_operand_address, emit_1600_code_shift): Likewise.
1932 (gen_tst_reg, gen_compare_reg): Likewise.
1933 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1934 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1936 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1938 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1939 * objc/objc-act.c (build_ivar_chain): Likewise.
1940 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1942 * graph.c (clean_graph_dump_file): Likewise.
1943 * profile.c (init_branch_prob): Likewise.
1944 * objc/objc-act.c (objc_init): Likewise.
1946 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1947 * config/avr/avr.c (avr_override_options): Likewise.
1948 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1949 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1950 * config/h8300/h8300.c (h8300_init_once): Likewise.
1951 * config/mips/mips.c (override_options): Likewise.
1952 * config/i386/i386.c (override_options): Likewise, rework.
1953 * config/m68k/m68k.c (override_options): Likewise.
1955 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1957 * config/mips/mips.c (print_operand): Likewise.
1958 * hash.c (hash_allocate): Don't check for failure returns from
1959 obstack functions that can't fail.
1960 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1961 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1962 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1963 (get_object_reference): Likewise.
1965 2001-02-04 Nick Clifton <nickc@redhat.com>
1967 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1968 StrongARM1110, 10TDMI, and 1020T.
1970 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1972 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1974 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1976 * config/sh/sh.md (movdf load split): Pass register number to
1977 FP_OR_XD_REGISTER_P.
1979 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1981 * cppinit.c (BC): New macro.
1982 (builtin_array): Add __GXX_WEAK__.
1983 * cpplib.h (builtin_type): Add BT_WEAK.
1984 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1985 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1986 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1988 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1990 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1992 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1994 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1995 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1997 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1999 * cpphash.h: Rename ALIGN _ALIGN.
2000 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2002 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2004 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2005 compilation environment.
2006 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2007 control over location of cygwin includes and libs.
2009 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2011 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2013 2001-02-02 lars brinkhoff <lars@nocrew.org>
2015 * md.texi (Standard Names): remove reference to spur.md.
2017 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2019 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2020 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2021 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2022 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2023 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2025 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2027 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2028 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2029 number before reload.
2030 (c4x_adjust_cost): Return zero before reload.
2031 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2032 split before reload.
2034 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2036 * c4x.c (c4x_hard_regno_rename_ok): New.
2037 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2038 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2040 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2042 * diagnostic.h: Add missing "extern" in all declarations.
2044 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2046 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2047 as for gcc_gxx_include_dir.
2049 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2051 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2053 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2055 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2056 label before alignment to be used as the braf base address.
2057 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2059 (casesi_jump_2): Require at least TARGET_SH2.
2061 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2062 truncation to 32-bit doubles on -m3e and -m4-single-only.
2064 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2066 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2067 the default when building a shared object.
2068 (init_spec): Use it.
2069 * testsuite/lib/g++.exp: Include the directory where libgcc
2070 is located to the LD_LIBRARY_PATH list.
2071 * invoke.texi (-shared-libgcc): Document the cases in which
2072 GCC defaults to using the shared libgcc.
2074 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2076 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2077 unsigned is wide enough.
2079 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2080 (si_to_float): Likewise.
2081 (float_to_si, float_to_usi): Use BITS_PER_SI.
2083 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2085 * dwarf2out.c: Added explanation of abbreviations.
2086 (def_cfa_1): Added comments listing DWARF2 instructions.
2087 (cfa_temp_reg): Removed in favor of cfa_temp.
2088 (cfa_temp_value): Removed in favor of cfa_temp.
2089 (cfa_temp): New global variable.
2090 (dwarf2out_frame_debug_expr): Added extensive introductory
2091 comments explaining the function's transformations. Revised to
2092 use cfa_temp. Added some rtx checking. Generalize IOR case.
2093 (dwarf2out_frame_debug): Revised to use cfa_temp.
2094 (output_aranges): Cast as "unsigned" to avoid warning.
2095 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2096 explain which instructions must be marked.
2098 2001-02-01 Richard Henderson <rth@redhat.com>
2100 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2103 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2105 * config/sh/crt1.asm (main_k): Modified so that start calls
2106 ___setup_argv_and_call_main.
2108 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2110 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2111 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2112 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2113 * cppmacro.c (builtin_macro): Set builtin flags here.
2114 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2115 (replace_args): Clarify intent.
2116 (cpp_get_token): Macro expansion tokens get the saved flags.
2118 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2121 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2123 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2126 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2128 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2129 returns Pmode pseudo, but we need ptr_mode.
2130 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2131 Remove bogus conversions; use HOST_WIDE_INT for size.
2132 Don't use TARGET if wrong mode.
2134 * config/i386/i386.c (ix86_compute_frame_size): Allow
2135 stack_alignment_needed to be non-default even if size is zero.
2137 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2139 * (hppa_init_pic_save): Emit the pic offset table
2140 reg save after last_parm_insn.
2141 * pa.c (hppa_init_pic_save): New function.
2142 * pa.h (hppa_init_pic_save): Declare.
2143 * pa.md (call, call_value, sibcall, sibcall_value): Use
2144 the above instead of duplicated code.
2146 * pa.c (hppa_encode_label): Correct size of alloca buffer
2147 so we don't overrun it. Correct leading `*' case.
2148 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2149 need to handle `*@'.
2150 (FUNCTION_NAME_P): Likewise.
2152 2001-01-31 Richard Henderson <rth@redhat.com>
2154 * config.gcc (alpha-osf5): Use float-i128.h.
2156 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2157 * config/float-i32.h: Likewise.
2158 * config/float-i64.h: Likewise.
2159 * config/float-sh.h: Likewise.
2160 * config/float-sparc.h: Likewise.
2162 2001-01-31 DJ Delorie <dj@redhat.com>
2164 * expmed.c (extract_bit_field): allow non-integral modes if we
2165 want to extract a whole register from itself.
2167 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2169 * c-typeck.c (set_init_index): If first is equal to last, assume as
2170 if it was not a range at all.
2172 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2174 * config/fp-bit.c: Include tm.h.
2175 (float_to_si): Don't assume SImode is 32-bits wide.
2176 (float_to_usi): Likewise.
2178 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2180 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2182 (typename): Call pending_xref_error after parsing typed_typespecs.
2183 * c-decl.c (lookup_tag): Give error immediately rather than
2184 leaving it pending if the tag of the wrong type is in the same
2186 (xref_tag): Don't pedwarn for forward declarations of enum types
2188 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2191 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2193 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2195 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2197 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2198 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2200 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2202 * cpphash.h (struct cpp_reader): New saved_flags.
2203 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2204 to avoid a paste after a pasted token.
2206 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2208 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2209 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2210 Wtype_MIN instead of LONG_MIN.
2212 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2214 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2216 * fixinc/fixincl.x: Regenerated.
2217 * fixinc/inclhack.def (irix_limits_const): New definition to
2218 convert "const" to "__const" in limits.h.
2220 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2222 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2224 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2226 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2227 when register dies in the insn.
2229 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2231 * diagnostic.c (fatal): Fix word wrap.
2233 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2235 * combine.c (try_combine): Fix SUBREG setting for
2236 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2238 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2240 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2243 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2245 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2247 * toplev.c (decode_W_option): Update warn_larger_than
2248 unconditionally for each processed switch.
2250 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2252 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2254 (hppa_expand_prologue): Delete code to save pic offset table register
2255 in the function prologue.
2256 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2257 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2258 table register at the beginning of the function after the prologue.
2260 2001-01-29 lars brinkhoff <lars@nocrew.org>
2262 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2264 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2265 Jeff Law <law@redhat.com>
2267 * pa.md (return): Revise comment for trivial return.
2268 (return_internal): Non-trivial return pattern for non-PIC code.
2269 (return_internal_pic): Non-trivial return pattern for PIC code.
2270 It uses the PIC register to ensure it is restored after
2272 (epilogue): Generate appropriate return for PIC and non-PIC code.
2274 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2276 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2278 2001-01-29 DJ Delorie <dj@redhat.com>
2280 * combine.c (if_then_else_cond): Pass the correct mode to
2281 operand_subword() for constants.
2283 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2285 * config/i386/cygwin.h: Add w32api to include search. Search different
2286 directories in a cross-build environment.
2288 2001-11-29 Tim Josling <tej@melbpc.org.au>
2290 * tree.h (TYPE_STUB_DECL): Add documentation.
2292 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2294 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2295 (sdbout_field_types): Likwise. Fix use of host_integerp.
2297 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2299 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2302 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2304 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2305 to use flag_gnu_linker.
2307 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2309 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2310 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2312 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2314 * tree.c, tree.h (build_parse_node): Remove; was identical to
2316 * c-lang.c (start_cdtor), objc/objc-act.c
2317 (build_module_descriptor): Use build_nt instead of
2320 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2322 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2323 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2324 not have any upper bits set.
2326 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2328 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2330 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2332 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2334 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2336 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2337 (integer_minus_one_node): Define.
2339 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2341 * Makefile.in (bootstrap2-lean): Fix typo.
2343 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2345 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2346 : Don't set fe_value.
2347 * cpplib.h (AVOID_LPASTE): New flag.
2348 (struct cpp_hashnode): Remove fe_value.
2349 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2350 * cppmacro.c (builtin_macro): Don't set flags here.
2351 (replace_args): Set AVOID_LPASTE flag on first token of an
2352 argument, and the token following it.
2353 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2354 macro expansion, and on the token following it. Do it for
2356 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2358 2001-01-27 Richard Henderson <rth@redhat.com>
2360 * config/alpha/t-ieee: Remove multilibbing.
2361 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2363 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2365 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2367 * Makefile.in: Remove all dependencies on defaults.h.
2368 * builtins.c: Don't include defaults.h.
2369 * c-common.c: Likewise.
2370 * c-decl.c: Likewise.
2371 * c-pragma.c: Likewise.
2372 * c-typeck.c: Likewise.
2373 * combine.c: Likewise.
2375 * frame-ia64.c: Likewise.
2376 * cppexp.c: Likewise.
2377 * crtstuff.c: Likewise.
2378 * dbxout.c: Likewise.
2379 * dwarf2out.c: Likewise.
2380 * dwarfout.c: Likewise.
2381 * emit-rtl.c: Likewise.
2382 * except.c: Likewise.
2384 * final.c: Likewise.
2385 * frame-dwarf2.c: Likewise.
2386 * libgcc2.c: Likewise.
2387 * optabs.c: Likewise.
2388 * profile.c: Likewise.
2389 * sdbout.c: Likewise.
2390 * toplev.c: Likewise.
2391 * tradcif.y: Likewise.
2393 * varasm.c: Likewise.
2395 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2397 * builtins.c (expand_builtin_fputs): Use size_one_node when
2398 transforming into fwrite.
2400 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2402 * extend.texi (Attribute Syntax): New section.
2404 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2406 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2407 they didn't need fixing.
2409 2001-01-27 Janis Johnson <janis@us.ibm.com>
2411 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2413 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2414 to remove macro definitions that are duplicated from elfos.h.
2416 2001-01-27 Richard Henderson <rth@redhat.com>
2418 * config/i386/sco5gas.h: Move ...
2419 * config/usegas.h: ... here.
2420 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2422 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2424 * c-typeck.c (struct constructor_stack): Add range_stack member.
2425 (really_start_incremental_init): Clear it.
2426 (push_init_level): Save constructor_range_stack and clear it if
2427 pushing explicit braces.
2428 (pop_init_level): abort if constructor_range_stack is non-zero at
2429 explicit closing brace. Restore saved constructor_range_stack if
2432 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2434 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2435 into register was forced into memory.
2437 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2439 * Makefile.in: Remove uses of + before $(MAKE).
2441 2001-01-26 Richard Henderson <rth@redhat.com>
2443 * stmt.c (cost_table): Remove.
2444 (COST_TABLE, cost_table_initialized): New.
2445 (estimate_case_costs): Use the later instead of the former.
2446 (balance_case_nodes): Likewise.
2448 2001-01-26 Richard Henderson <rth@redhat.com>
2450 * alias.c (objects_must_conflict_p): Read-only slots may not
2451 conflict despite having the same type.
2453 2001-01-27 Michael Hayes <mhayes@redhat.com>
2455 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2457 (check_ext_dependant_givs): Initialise u_start_val and
2459 (load_mems): Make last_max_reg unsigned.
2460 (try_swap_copy_prop): Use INSN_P and initialise set.
2462 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2464 * README.AVR : Removed.
2466 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2468 * pa-64.h (text_section): Remove declaration.
2470 * pa.md (return_internal): Remove mode on PIC register use.
2472 2001-01-25 lars brinkhoff <lars@nocrew.org>
2474 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2475 ASM_CLOSE_PAREN): fix typos.
2477 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2479 * acconfig.h: Define `const' to the empty string if neither
2480 __STDC__ nor __cplusplus is defined.
2481 * config.in: Regenerated.
2483 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2485 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2486 * collect2.c (main): Delete importf. Add ".obj" file extension.
2487 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2488 (aix_std_libs): Add additional AIX libraries to skip.
2489 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2490 * config/rs6000/aix51.h: New file.
2492 2001-01-25 Michael Hayes <mhayes@redhat.com>
2494 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2495 (loop_insn_emit_before): No longer static.
2496 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2497 (loop_givs_rescan, load_mems): Likewise.
2498 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2499 (maybe_eliminate_biv_1):
2500 (move_movables): Replace emit_call_insn_before with
2501 loop_call_insn_hoist.
2502 * loop.h (loop_insn_emit_before): Add.
2503 * unroll.c (copy_loop_body): Replace emit_insn_before with
2504 loop_insn_emit_before.
2506 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2508 * diagnostic.c (fatal): Request preprocessed source.
2510 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2512 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2513 olddecl has argument types and newdecl has none, use the argument
2516 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2518 * dwarf2out.c (prefix_of): New function. Determine longest common
2519 prefix of the two arguments. The units are whole path components.
2520 (output_file_names): When adding a new directory find the one entry
2521 with the longest common prefix already in the list. Artificially
2522 generate entry if there is none for this prefix.
2523 Fix test to check whether the zeroth directory entry is used.
2525 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2527 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2528 Changed all callers. Take it into account when deciding if a
2529 previously loaded value matches.
2531 2001-01-24 Richard Henderson <rth@redhat.com>
2533 * reload.c (find_reloads_subreg_address): Fail the substitution
2534 if the resulting address is insufficiently aligned.
2536 2001-01-24 DJ Delorie <dj@redhat.com>
2538 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2539 check the original operand's mode also.
2540 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2542 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2544 * c-parse.in (cast_expr): Move compound literals from here ...
2545 (primary): ... to here. Use standard terminology "compound
2546 literal" instead of "constructor expression".
2548 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2550 * gcc.1, cpp.1: Regenerate.
2552 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2554 * calls.c (emit_library_call_value_1): Memory slot for
2555 pass-by-reference argument should have the mode of the argument,
2556 not of the pointer to it.
2558 2001-01-24 Tom Tromey <tromey@redhat.com>
2560 * gcc.texi (G++ and GCC): Mention gcj manual.
2561 (Standards): Link to section of manual mentioning gcj/Java
2564 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2566 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2567 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2568 * tradcpp.c (main): Add -imacros or -include'd dependencies
2570 * cpp.texi (-M, -MM): Document -M -include behaviour.
2572 2001-01-24 Roger Collins <roger@ProProject.com>
2574 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2576 2001-01-24 Will Cohen <wcohen@redhat.com>
2578 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2579 whether registers are 32 bits or 64 bits in size.
2581 2001-01-24 Ben Elliston <bje@redhat.com>
2583 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2585 2001-01-24 Richard Henderson <rth@redhat.com>
2587 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2588 (builtin_longjmp): Use it instead of emit_indirect_jump.
2590 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2592 * bb-reorder.c (make_reorder_chain_1): Handle case where
2593 jump edge goes to the same block as the fallthru edge.
2595 2001-01-23 Jim Wilson <wilson@redhat.com>
2597 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2598 * frame.h (__ia64_personality_v1): Add prototype.
2599 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2600 prototype form. Add void * cast to first argument to personality
2602 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2603 (asctoe113): Likewise.
2604 * config/ia64/frame-ia64.c: Include eh-common.h.
2605 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2607 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2609 (itanium_split_issue): Add prototype.
2610 (gen_nop_type): Ifdef out.
2611 (find_best_packet): Initialize best_packet.
2612 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2614 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2615 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2616 (flushrs): Add explicit stop bit at end.
2617 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2620 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2622 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2624 * libgcc2.c (__terminate_func): Make variable static.
2625 (__terminate_set_func): New function to set __terminate_func.
2626 * libgcc2.h (__terminate_func_ptr): New typedef.
2627 (__terminate_set_func): New function.
2629 2001-01-23 Richard Henderson <rth@redhat.com>
2631 * flow.c (init_propagate_block_info): Don't consider unchanging
2632 memories for dead frame store elimination.
2634 2001-01-23 Richard Henderson <rth@redhat.com>
2636 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2637 * defaults.h: ... here.
2639 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2641 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2643 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2645 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2647 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2649 * rs6000.h (rs6000_return_addr): Move prototype from here...
2650 * rs6000-protos.h (rs6000_return_addr): ...to here.
2651 (rs6000_init_expanders): Delete prototype.
2653 2001-01-23 Nick Clifton <nickc@redhat.com>
2655 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2656 (Spec Files): Document %B and %j and %. and %v3 and %M and
2657 %{S*&T} spec switches.
2659 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2661 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2663 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2664 Neil Booth <neil@daikokuya.demon.co.uk>
2666 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2667 Have -Werror make pedantic warnings errors, like the
2670 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2672 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2674 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2676 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2677 * integrate.c (expand_inline_function): Initialize them.
2678 (subst_constants): If changing COMPARE so that both its arguments
2679 will be VOIDmode and the comparison mode will be lost, note
2680 compare_mode. Use the recorded compare_mode to optimize
2683 2001-01-23 Jason Merrill <jason@redhat.com>
2685 * dwarf2out.c (new_die): Use xcalloc.
2686 (output_die): Abort rather than emit a local reference to offset 0.
2688 2001-01-17 Andrew Haley <aph@redhat.com>
2690 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2691 of a saved register; return NULL instead.
2692 (copy_reg): Take a pointer to a source register rather than a
2694 (next_stack_level): Remember the address in the stack frame of all
2696 Use the saved register pointer array as the source of the CFA.
2697 (throw_helper): Rewrite. Unwind once rather than twice and keep
2698 track of saved registers as we go.
2700 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2702 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2703 * c4x.c (c4x_legitimize_reload_address): Remove.
2704 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2705 reload address for ldp(k) insn.
2707 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2709 * pa.md (return_internal): Add a USE of the PIC register to ensure
2710 it is restored after each call.
2711 (return expander): Corresponding changes.
2713 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2715 * rs6000.h (INIT_EXPANDERS): Delete.
2716 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2717 * rs6000.c (rs6000_override_options): Call *_machine_status from
2719 (rs6000_init_expanders): ...instead of here. Delete.
2720 (rs6000_mark_machine_status): New function.
2721 (rs6000_init_machine_status): Use xcalloc.
2722 (rs6000_return_addr): Generate RTX for the return address.
2723 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2724 (rs6000_stack_info): Use it.
2726 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2728 * gthr-win32.h: Include errno.h to get a declaration for
2729 EINVAL and _mingw.h if the target is mingw32.
2731 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2733 * cpp.texi: Correct typos.
2735 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2737 * explow.c (probe_stack_range): Ensure value passed to
2738 stack_check_libfunc is ptr_mode, not Pmode.
2740 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2742 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2743 case, don't use operand_subword to calculate a SUBREG that is
2746 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2748 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2750 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2751 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2752 valid. If not replace it by equivalent insns.
2754 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2756 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2757 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2758 (c4x_U_constraint, symbolic_address_operand): Likewise.
2759 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2761 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2762 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2763 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2764 anulling slot because of silicon bug.
2765 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2767 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2769 * cppexp.c (parse_charconst): Change `mask' type to agree
2772 2001-01-21 Richard Henderson <rth@redhat.com>
2774 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2775 pic_label_name in a linkonce section.
2777 2001-01-17 Philipp Thomas <pthomas@suse.de>
2779 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2781 * configure: Regenerate.
2783 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2785 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2786 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2788 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2790 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2791 If REVERSE nonzero then condition code in X must be reversed.
2792 (encode_section_info): Optimise if/else.
2793 (avr_function_value): Fix formatting.
2795 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2796 (difficult_branch): Likewise.
2797 (rvbranch): Likewise.
2798 (difficult_rvbranch): Likewise.
2800 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2802 * config/avr/libgcc.S: Fix comment.
2804 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2806 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2808 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2810 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2812 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2814 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2815 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2816 * configure, config.in: Regenerate.
2817 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2818 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2819 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2820 (doprint.o): New rule.
2822 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2824 * c-typeck.c (digest_init): Handle boolean types as scalars.
2826 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2828 * stmt.c (expand_return): Don't return anything if size is zero.
2829 Delete redundant assignment to BYTES.
2830 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2832 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2834 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2835 the same as the default library function names.
2836 * config/avr/avr.md: Document special characters after '%'.
2837 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2838 knowing which of the call-used registers are really clobbered.
2839 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2840 New. Both quotient and remainder from one libgcc.S call.
2841 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2842 clobber as few registers as possible.
2843 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2845 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2847 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2848 context of the top of the stack.
2850 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2852 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2853 (fixup_var_refs_insns): ...here.
2855 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2857 * function.c (fixup_var_refs_insns): Break up into
2858 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2859 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2860 [loop over hash table entries].
2861 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2862 fixup_var_refs_insns_with_hash, to match above changes.
2864 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2866 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2867 (libgcc.a): Likewise.
2868 (stmp-multilib): Likewise.
2869 (STAGE2_FLAGS_TO_PASS): Likewise.
2871 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2873 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2874 temporary if no_new_pseudos.
2876 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2878 * cppinternals.texi: Update.
2880 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2882 * arm.c (arm_init_builtins): Re-enable builtins.
2884 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2886 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2887 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2888 element to be null, and always expect an EXPR_LIST.
2889 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2890 * sched-deps.c (sched_analyze_1): Likewise.
2891 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2893 * regclass.c (max_set_parallel): New variable.
2894 (reg_scan): Take it into account in computation of max_parallel.
2895 (reg_scan_mark_refs, case SET): Compute it.
2897 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2899 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2900 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2902 2001-01-19 Jason Merrill <jason@redhat.com>
2904 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2905 for the abstract instance of an inline function.
2907 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2908 J"orn Rennecke <amylaar@redhat.com>
2910 * reload1.c (move2add_note_store): Treat all registers directly or
2911 indirectly derived from a base register as members of the same set
2913 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2914 of base register into account.
2916 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2918 * alias.c (find_base_value): Recognize TRUNCATE.
2919 (record_set): In PLUS case, invalidate if other summand is also a
2922 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2924 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2925 entry to be EXPR_LIST.
2926 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2927 be an EXPR_LIST (but not null, which other code doesn't allow).
2928 (note_stores): Properly handle PARALLEL in SET.
2929 Recursively call for top-level PARALLEL.
2930 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2931 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2933 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2935 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2937 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2938 not pfile->skipping (== 0).
2940 2001-01-17 Nick Clifton <nickc@redhat.com>
2942 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2945 2001-01-17 Jim Wilson <wilson@redhat.com>
2947 * invoke.texi (IA-64 options): Improve.
2949 2001-01-17 Tom Tromey <tromey@redhat.com>
2951 * invoke.texi (Optimize Options): Use `{}' to around @samp
2954 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2956 * invoke.texi (-fno-guess-branch-probability): New option.
2958 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2960 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2961 case of making new double-word constant.
2962 Revert last change: instead just test i3_subst_into_i2.
2964 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2966 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2967 Use q constraints instead of r.
2969 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2971 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2972 (machine_function): Define.
2973 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2974 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2975 pa_free_machine_status): New functions.
2976 (override_options): Set {init,mark,free}_machine_status to above.
2977 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2978 PIC_OFFSET_TABLE_REGNUM_SAVED.
2979 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2980 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2981 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2982 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2983 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2985 2001-01-15 DJ Delorie <dj@redhat.com>
2987 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2991 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2993 * flow.c (propagate_on_insn): Make trying to delete a prologue
2994 or epilogue insn an ICE, not a warning. Allow doing this if
2995 the current function returns with stack pointer depressed.
2997 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2998 I3 having more than one SET.
3000 2001-01-16 Jim Wilson <wilson@redhat.com>
3002 * invoke.texi: Document IA-64 options.
3004 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3005 (fixup_errata): Delete TARGET_A_STEP use.
3006 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3007 (TARGET_SWITCHES): Delete -ma-step option.
3008 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3009 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3010 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3011 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3012 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3013 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3015 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3016 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3017 cmovsi_internal): Delete ! TARGET_A_STEP check.
3019 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3021 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3022 possibility to report bugs via postal mail. Change a URL and
3023 merge in a nearly duplicate statement...
3024 (Bug Reporting): ...from here.
3025 (Service): Refer to the Bug Reporting section instead of
3027 (Contributing): Remove trivial explanations concerning snapshots.
3029 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3031 * cppmain.c (general_init): Don't use ANSI prototype.
3033 2001-01-16 Tom Tromey <tromey@redhat.com>
3035 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3037 2001-01-16 Richard Henderson <rth@redhat.com>
3039 * config/i386/i386.h: Fix comment typo.
3040 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3041 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3043 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3045 * gcc.c: Revert previous -fsyntax-only-related change; move
3048 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3050 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3051 inmode after checking GET_CODE (op).
3053 2001-01-16 Richard Henderson <rth@redhat.com>
3055 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3056 (MAX_MEM_SET_LIST_LEN): New.
3057 (propagate_one_insn): Update mem_set_list_len.
3058 (invalidate_mems_from_autoinc): Likewise.
3059 (invalidate_mems_from_set): Likewise.
3060 (mark_used_regs): Likewise.
3061 (init_propagate_block_info): Likewise. Stop collecting memories
3062 when we reach MAX_MEM_SET_LIST_LEN.
3063 (mark_set_1): Likewise.
3065 2001-01-16 Richard Henderson <rth@redhat.com>
3067 * unroll.c (precondition_loop_p): Fail if no iteration
3070 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3072 * gcc.c: When -fsyntax-only is given, do not complain about
3075 2001-01-15 Richard Henderson <rth@redhat.com>
3077 * config/i386/i386.c (asm_output_function_prefix): Remove.
3078 (ix86_asm_file_end): New.
3079 (load_pic_register): Generate pic_label_name into a
3080 staticly allocated buffer.
3081 * config/i386/i386-protos.h: Update.
3082 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3083 (ASM_FILE_END): New.
3084 * config/i386/i386afe.h: New file.
3085 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3086 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3087 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3088 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3089 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3090 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3091 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3093 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3095 * Makefile.in (install-man): Remove explicit dependency on
3098 * configure.in, configure: Revert previous patch requiring perl
3101 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3103 * toplev.c (flag_guess_branch_prob): New.
3104 (f_options): Add guess-branch-probability option.
3105 (rest_of_decl_compilation): Only estimate branch probability if
3107 (main): set flag_guess_branch_prob.
3109 * flags.h (flag_guess_branch_prob): New.
3111 2001-01-15 DJ Delorie <dj@redhat.com>
3113 * gcc.texi (Makefile): Add documentation for Makefile targets.
3115 2001-01-15 Philip Blundell <philb@gnu.org>
3117 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3119 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3120 (is_pic): Delete declaration.
3121 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3122 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3123 * config/arm/arm.md (builtin_setjmp_receiver): New.
3125 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3127 * arm.c (use_return_insn): Don't try to determine the function type
3128 until after reload has completed.
3129 (arm_output_epilogue): Don't adjust the sp value recovered from the
3131 (emit_multi_reg_push): Don't record dwarf information for the pc.
3132 * arm.md (eh_epilogue): The function type may have changed, so it
3133 needs to be recalculated.
3134 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3135 unwind tables on arm/netbsd.
3137 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3139 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3140 (negated_cbranchsi4): Likewise.
3142 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3144 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3145 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3146 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3147 pass -mapcs-* options to assembler.
3148 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3149 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3150 (ASM_SPEC): Call subtarget_extra_asm_spec.
3152 2001-01-15 Andreas Jaeger <aj@suse.de>
3154 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3156 (ix86_expand_builtin): Likewise.
3158 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3159 warning about comparison between signed and unsigned.
3161 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3163 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3165 2001-01-14 Ralf Baechle <ralf@gnu.org>
3167 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3168 SUBTARGET_CPP_SPEC apropriatly.
3170 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3172 * varasm.c (make_decl_rtl): Fix typo in last change.
3174 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3176 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3177 linker supports the init_priority C++ attribute.
3178 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3179 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3180 linker does not support init_priority C++ attribute.
3182 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3184 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3186 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3188 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3189 * cp/lex.c (finish_parse): Similarly.
3190 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3191 Return the number of errors encountered.
3192 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3193 * cppmain.c (main): Don't call cpp_destroy.
3195 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3197 * configure.in: Require at least perl 5.6.0 to regenerate
3199 * configure: Regenerate.
3201 2001-01-14 Richard Henderson <rth@redhat.com>
3203 * genrecog.c (DT_veclen_ge): New.
3204 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3205 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3206 (nodes_identical_1): Handle DT_veclen_ge.
3207 (write_cond, debug_decision_2): Likewise.
3209 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3211 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3213 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3215 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3217 * cppmain.c (do_preprocessing): New function; most of the old
3219 (main): Call it to do most of the work.
3220 (cb): Move from global scope to set_callbacks ().
3221 (setup_callbacks): Get the callback pointer.
3222 (general_init, printer_init): Clean up code and comments.
3224 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3226 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3229 2001-01-14 Kazu Hirata <kazu@hxi.com>
3231 * config/h8300/h8300.c (get_shift_alg): Update comments.
3233 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3235 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3236 (alloc_page, ggc_alloc): Add casts to remove warnings.
3238 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3240 * combine.c (simplify_comparison): Don't change `code' when
3241 can't reverse comparison.
3243 2001-01-14 Richard Henderson <rth@redhat.com>
3245 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3246 update all call sites. Return true for all non-label constants.
3248 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3250 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3252 (ix86_expand_branch): Update.
3253 (ix86_expand_setcc): Update to handle multiple test conditions.
3254 (expand_int_movcc): Likewise.
3255 (expand_fp_movcc): Likewise.
3256 * i386-protos.h (ix86_expand_compare): New.
3257 * i386.md (andqi_?_slp, orqi_?_slp): New.
3258 (conditional trap expander): Update call to ix86_expand_compare.
3260 2001-01-14 Richard Henderson <rth@redhat.com>
3262 * config/vax/vax.md: Use nonimmediate_operand instead of
3263 general_operand in destinations.
3265 * config/vax/vax.md (indirect_jump): Use register_operand.
3267 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3268 * config/vax/vax.md (call_pop): Turn into an expander.
3269 (call_value_pop): Likewise.
3270 (call, call_value): New.
3272 2001-01-14 Andreas Jaeger <aj@suse.de>
3274 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3276 (ix86_fp_compare_mode): Add unused attribute.
3277 (ix86_expand_fp_movcc): Remove unused variable.
3278 (ix86_expand_builtin): Make fcode unsigned.
3280 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3281 (expand_expr): Add cast to avoid signed warning.
3282 (store_field): Likewise.
3283 (store_constructor_field): Likewise.
3284 (store_constructor): Likewise.
3285 (store_expr): Likewise.
3286 (clear_storage): Likewise.
3287 (emit_group_store): Likewise.
3288 (emit_group_load): Likewise.
3290 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3292 * c-common.c: Move format checking code to ...
3293 * c-format.c: ... here. New file. Reorder some functions and
3295 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3297 * c-common.h (decl_handle_format_attribute,
3298 decl_handle_format_arg_attribute): Declare.
3299 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3300 (c-common.o): Adjust dependencies.
3301 (c-format.o): New list of dependencies.
3303 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3305 * unroll.c (loop_iterations): If we cannot prove iteration variable
3306 is set once in each iteration, punt.
3308 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3310 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3311 (*strlenhi): Remove clobber (which was buggy) of output address.
3313 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3315 * Makefile.in (generated-manpages): Add gcc.1
3316 ($(srcdir)/gcc.1): New target.
3317 (maintainer-clean): Delete $(srcdir)/gcc.1.
3318 * gcc.texi: Add macros @gccoptlist and @gol.
3319 * invoke.texi: Include option summary in manpage. Mark up option
3320 summary with @gccoptlist and @gol. Use @r in one place where
3322 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3323 * gcc.1: Generate from invoke.texi.
3325 2001-01-13 Richard Henderson <rth@redhat.com>
3327 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3328 (struct page_entry): Add group member.
3329 (struct page_group): New.
3330 (struct globals): Add page_groups member.
3331 (alloc_anon): Only define for using mmap; remove valloc call.
3332 (page_group_index): New.
3333 (set_page_group_in_use): New.
3334 (clear_page_group_in_use): New.
3335 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3336 (free_page, release_pages): Likewise.
3337 * configure.in (with-gc): Default to ggc-page always.
3339 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3341 * reload1.c (replace_pseudos_in_call_usage): Use
3342 reg_equiv_constant and reg_equiv_address, and don't try
3343 regno_reg_rtx first.
3345 2001-01-13 Richard Henderson <rth@redhat.com>
3347 * ggc-page.c (alloc_page): Round up allocation size to one page.
3348 Set e->order on extra pages.
3350 2001-01-13 Richard Henderson <rth@redhat.com>
3352 * genrecog.c (nodes_identical): Expand commentary.
3353 (write_switch): Watch out for identical nodes.
3355 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3357 * cppfiles.c (_cpp_fake_include): New function.
3358 * cpphash.h (_cpp_fake_include): New.
3359 * cpplib.c (do_line): Call _cpp_fake_include when entering
3360 header files in preprocessed input.
3361 * cppmain.c (cb_pragma_implementation): Remove handling.
3362 (setup_callbacks): Don't register pragmas.
3364 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3366 * extend.texi: Udate for CPP.
3368 2001-01-13 Andreas Jaeger <aj@suse.de>
3370 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3372 * regmove.c: Add prototype for replace_in_call_usage.
3374 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3376 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3377 struct cpp_chunk, struct htab, struct toklist,
3378 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3379 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3380 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3381 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3382 (struct macro_args): Delete.
3383 * cpphash.h: See above.
3385 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3387 * cppmain.c (struct printer): Remove no_line_dirs.
3389 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3390 : Use options rather than CPP_OPTION.
3391 (setup_callbacks): Use cb rather than pfile->cb.
3392 (main): No need to check for a buffer. Use cpp_errors.
3393 (printer_init): Don't set no_line_dirs.
3394 (maybe_print_line): Use options not no_line_dirs.
3395 (cb_file_change): Don't call print_line if -P.
3397 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3399 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3401 * c-parse.in (finish_parse): Use cpp_errors.
3402 (__yylex): Use return value of cpp_pop_buffer.
3403 * cp/lex.c (finish_parse): Use cpp_errors.
3404 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3406 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3408 * README.AVR: URLs corrected.
3410 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3412 * c-decl.c (start_function): Don't warn if old prototype is builtin
3413 that's not in C's namespace.
3414 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3415 (_bb): Add prototype for ctime.
3416 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3418 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3420 * i386.c (ix86_fp_comparison_arithmetics_cost,
3421 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3422 ix86_fp_comparison_cost): New functions.
3423 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3424 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3425 two-branch sequences; make static.
3426 (ix86_use_fcomi_compare): Do decision according to the costs.
3427 (split_fp_branch): New.
3428 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3429 * i386-protos.h (ix86_expand_fp_compare): Remove
3430 (ix86_split_fp_branch): Declare.
3432 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3433 and ix86_comparison_operator.
3435 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3438 * i386.c (put_condition_code): Output properly the unordered/ordered
3439 compares in fp case.
3440 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3442 * tm.texi (REVERSE_CONDITION): Document.
3443 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3444 in -ffast-math mode.
3445 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3447 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3449 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3451 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3454 * config/sh/sh.c (mova_p): Fix test for mova_const.
3456 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3458 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3459 cpp_get_options rather than dereferencing pfile and using
3461 * scan-decls.c (scan_decls): Use return value of
3462 cpp_pop_buffer rather than CPP_BUFFER.
3464 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3466 * cppinit.c (cpp_handle_option): help_only is now part of the
3467 cpp_options structure.
3468 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3469 cpp_set_callbacks): New functions.
3470 * cpplib.h (cpp_callbacks): Break out as a named structure.
3471 (cpp_options): Move help_only here from cpp_reader.
3472 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3473 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3474 cpp_set_callbacks): New prototypes.
3475 * cppmain.c (main): Update for help_only.
3477 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3479 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3480 Also build and remove and install and uninstall c-tree.info and
3482 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3483 ($(srcdir)/cppinternals.info): New target.
3484 * c-tree.texi: Change file name used when makeinfo used without -o
3485 from ir.info to c-tree.info. Add info directory entry.
3486 * cppinternals.texi: Add info directory entry.
3487 * .cvsignore: Update.
3489 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3491 * c-typeck.c (store_init_value): Don't require constant initializer
3492 elements with -pedantic -std=c99.
3493 (digest_init): Change error about non-constant initializer elements
3495 (constructor_range_end): Remove.
3496 (constructor_incremental, designator_depth,
3497 designator_errorneous): New variables.
3498 (struct constructor_stack): Remove range_end, add incremental.
3499 (struct constructor_range_stack, constructor_range_stack): New.
3500 (struct initializer_stack): Add constructor_range_stack.
3501 (finish_init): Set it.
3502 (start_init): Likewise. require_constant_elements for non-static
3503 trees only if not flag_isoc99.
3504 (really_start_incremental_init): Remove constructor_range_end, add
3505 constructor_incremental.
3506 (pop_init_level): Likewise.
3507 (push_init_level): Likewise. If implicit and the subobject had some
3508 value set already, preinitialize the level with it.
3509 Warn about missing braces only if not pushing due to designators.
3510 (set_designator, push_range_stack): New functions.
3511 (set_init_label): Use them.
3512 (set_init_index): Likewise. Remove constructor_range_end.
3513 Error if designator index is outside of array bounds.
3514 (add_pending_init): Compare values of purpose index trees, not the
3515 trees themselves. Allow overwriting of already initialized element.
3516 Issue a warning if it had side-effects.
3517 (set_nonincremental_init, set_nonincremental_init_from_string): New
3519 (pending_init_member): Rename to...
3520 (find_init_member): ...this function. Call set_nonincremental_init
3521 if necessary. Compare values of purpose index trees, not the trees
3522 themselves. Return the actual value, not just non-zero if something
3524 (output_init_element): Remove checks for duplicates.
3525 If field has zero size, only check the initializer for correctness.
3526 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3527 if constructor_incremental is zero. Change error about initializers
3528 not computable at load time into pedwarn.
3529 (output_pending_init_elements): Compare bit positions, not
3530 FIELD_DECLs to take into account zero-sized fields.
3531 (process_init_element): Use constructor_range_stack to fill all
3532 ranges in the designator lists from current level up.
3533 * extend.texi: Update documentation for labeled elements.
3535 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3537 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3538 to function usage for arguments passed by reference. Optimize
3539 callee-copied arguments.
3540 * regmove.c (replace_in_call_usage): New function.
3541 (fixup_match_1): Call it.
3542 * cse.c (cse_insn): Canonicalize registers in function usage.
3543 * reload1.c (replace_pseudos_in_call_usage): New function.
3546 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3549 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3551 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3554 2001-01-12 DJ Delorie <dj@redhat.com>
3556 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3557 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3560 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3562 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3563 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3564 -std options alongside references to -ansi. Update some
3565 documentation for C99.
3566 * cpp.1: Regenerate.
3568 2001-01-12 Andreas Jaeger <aj@suse.de>
3570 * haifa-sched.c (restore_line_notes): Remove argument block B
3572 * sched-ebb.c (schedule_ebb): Change caller.
3573 * sched-rgn.c (schedule_region): Likewise.
3574 * sched-int.h (restore_line_notes): Adjust prototype.
3576 * loop.h: Remove wrong declaration of doloop_condition_get.
3578 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3580 * extend.texi: Move C++-extension-related node from the C section
3581 into the C++ section.
3583 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3585 * extend.texi: Refer to an array of pointers to functions instead
3586 of one of functions.
3588 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3589 Jan Hubicka <jh@suse.cz>
3591 * combine.c (reversed_comparison): Fix typo in last patch.
3593 (combine_reversed_comparison_code): Make static to follow
3594 prototype declaration.
3596 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3598 * install.texi: Remove misplaced duplicate entry.
3600 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3602 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3604 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3606 * final.c: (leaf_function_p): Fix typo.
3608 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3610 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3611 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3613 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3614 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3615 mmap_anon, and valloc is available.
3616 * ggc-page.c: Restructure ifdef logic to match new autoconf
3617 spec. Don't throw away the test page in init_ggc.
3619 * configure, config.in: Regenerate.
3621 2001-01-12 Michael Hayes <mhayes@redhat.com>
3623 * loop.h (total_biv_increment): Constify iv_class pointer.
3624 (struct induction): Replace `mem_mode' with `mem' rtx.
3625 * unroll.c (total_biv_increment): Constify iv_class pointer.
3626 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3627 (find_mem_givs, combine_givs_p): Likewise.
3628 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3630 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3632 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3634 (__gthread_getspecific): Ditto.
3636 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3638 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3639 put_condition_code): Convert fp comparison codes to integer
3641 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3644 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3645 * i386-protos.h (no_comparison_operator): Kill.
3647 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3649 * combine.c (REVERSIBLE_CC_MODE): Remove.
3650 (reversible_comparison_p): Remove.
3651 (combine_reversed_comparison_code): New.
3652 (reversed_comparison): New.
3653 (combine_simplify_rtx): Use
3654 combine_reversed_comparison_code/reversed_comparison instead
3655 of reversible_comparison_p.
3656 (simplify_if_then_else): Likewise.
3657 (simplify_set): Likewise.
3658 (simplify_logical): Likewise.
3659 (if_then_else_cond): Likewise.
3660 (known_cond): Likewise.
3661 (simplify_comparison): Likewise.
3663 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3665 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3666 sizeof (int) is larger than sizeof(__word__).
3668 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3670 * cppinit.c (do_includes): Fix typo.
3672 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3674 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3675 in S_REGS does not occur because not all sources are possible
3676 when a S_REGS is a destination (sometimes needs a clobber).
3677 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3678 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3679 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3680 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3681 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3682 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3683 (lshrdi_const1, lshrsi3_const16): Likewise.
3684 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3685 (*movhi_68hc12, *movqi_68hc12): Likewise.
3686 (movstrictqi): Make sure reloading in D_REGS as a destination
3689 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3691 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3693 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3695 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3696 -D, -U and -A, and don't initialize the builtins.
3697 (do_includes): Error if -include or -imacros with -fpreprocessed.
3698 * cppmain.c (cb_define, cb_undef): Unconditionally process
3700 * tradcpp.c (main): Fix typo.
3702 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3704 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3705 (read_name_map): Use IS_ABSOLUTE_PATH.
3706 * tradcpp.c (get_filename): Likewise.
3708 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3710 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3711 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3712 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3713 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3714 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3715 (cmphi_z_used): Don't use '@' for the output.
3716 (tstqi_z_used): Likewise.
3717 (cmpqi_z_used): Likewise.
3718 (one_cmplsi2): Likewise.
3720 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3722 * config/sh/sh.c (barrier_align): Recognize branch around far
3723 branch and redundant insn.
3725 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3727 * invoke.texi: Restore documentation of the drivers' switches -MD
3730 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3732 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3734 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3735 check-objc//%): Support parallel testing of multilibs.
3736 (TESTSUITEDIR): Set to testsuite by default, but override for
3738 (check-gcc, check-g++, check-g77, check-objc): Enter
3741 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3743 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3744 * sched-deps.c (deps_may_trap_p): Likewise.
3745 * basic-block.h: Remove a comment.
3746 * flow.c (PROP_POSTRELOAD): Remove.
3747 (update_life_info): Don't add it to prop_flags.
3748 (mark_set_1): Lose the code that was enabled by it.
3750 2001-01-11 Michael Hayes <mhayes@redhat.com>
3752 * flow.c (flow_call_edges_add): New.
3753 * basic_block.h (flow_call_edges_add): New.
3755 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3757 * reload1.c (move2add_note_store): Update reg_set_luid even if
3758 base reg remains the same.
3760 2001-01-10 Nick Clifton <nickc@redhat.com>
3762 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3763 machine_function structure to zero.
3764 Add prototypes for machine_status functions.
3766 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3768 * c-common.h (CTI_VOID_LIST): Remove.
3769 (void_list_node): Likewise.
3770 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3771 (void_list_node): New macro.
3772 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3773 * config/i386/i386.c (ix86_init_builtins): Likewise.
3774 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3776 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3778 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3779 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3781 * tradcpp.c: Include mkdeps.h.
3782 (deps, print_deps_phony_targets, deps_append, output_deps,
3783 init_dependency_output, output_deps): New.
3784 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3785 deps_output): Delete.
3786 (print_deps_missing_files): Rename deps_missing_files.
3787 (inhibit_output): Make global.
3788 (main): Delete inhibit_output, deps_stream, deps_target.
3789 Use mkdeps functionality in the same way as cpplib. Remove
3790 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3791 -M and -MM. Remove old handling of deps via deps_out, and
3792 old reading of environment variables.
3793 (get_filename): Update to use deps_add_dep.
3795 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3797 * output.h (make_function_rtl): Remove prototype.
3798 (make_decl_rtl): Likewise.
3799 * varasm.c (make_function_rtl): Remove.
3800 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3801 than from a third parameter.
3802 * tree.h (make_decl_rtl): Remove last parameter.
3803 * c-decl.c (builtin_function): Remove last argument in call to
3804 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3805 (start_function): Likewise.
3806 * except.c (call_get_eh_context): Likewise.
3807 * expr.c (emit_block_move): Likewise.
3808 (clear_storage): Likewise.
3809 * profile.c (output_func_start_profiler): Likewise.
3810 * toplev.c (rest_of_decl_compilation): Likewise.
3811 * objc/objc-act.c (create_builtin_decl): Likewise.
3812 (synth_module_prologue): Likewise.
3813 (generate_static_reference): Likewise.
3814 (build_selector_reference_decl): Likewise.
3815 (build_class_reference_decl): Likewise.
3816 (build_objc_string_decl): Likewise.
3817 (build_protocol_reference): Likewise.
3819 2001-01-10 Richard Henderson <rth@redhat.com>
3821 * hwint.h: Revert yesterday's change.
3823 2001-01-10 Nick Clifton <nickc@redhat.com>
3825 * function.h (save_machine_status): Delete.
3826 (restore_machine_status): Delete.
3827 Amend comment describing {init|mark|free}_machine_status.
3829 * function.c (save_machine_status): Delete.
3830 (restore_machine_status): Delete.
3831 Amend comment describing {init|mark|free}_machine_status.
3832 (push_function_context_to): Remove invocation of
3833 save_machine_status.
3834 (pop_function_context_from): Remove invocation of
3835 restore_machine_status.
3837 * emit-rtl.c (init_emit_once): Amend comment describing
3838 {init|mark|free}_machine_status.
3840 * tm.texi (Per-Function Data): New node. Describe the
3841 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3844 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3846 * cppinit.c (OPT_g): Remove.
3847 (cpp_handle_option): Update for removed -g3.
3848 (print_help): Update.
3849 * cpplib.h (struct cpp_options): Remove debug_output.
3850 * cppmain.c (setup_callbacks, cb_define): Update.
3851 * gcc.c (cpp_options): Translate -g3 to -dD.
3853 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3855 * config/i960/i960.md: Change modifier to + on the zero_extract
3856 pattern after the (rotate -2 reg) canonicalization pattern.
3858 2001-01-10 Richard Henderson <rth@redhat.com>
3860 * config/alpha/alpha.c (alpha_free_machine_status): New.
3861 (override_options): Install it.
3862 (alpha_mark_machine_status): Verify machine non-null.
3863 * config/i386/i386.c (ix86_free_machine_status): New.
3864 (override_options): Install it.
3865 (ix86_init_machine_status): Use xcalloc.
3866 (ix86_mark_machine_status): Verify machine non-null.
3867 * config/ia64/ia64.c (ia64_free_machine_status): New.
3868 (ia64_override_options): Install it.
3869 (ia64_mark_machine_status): Verify machine non-null.
3871 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3873 * function.c (instantiate_virtual_regs): Instantiate virtual
3874 registers found in CALL_INSN_FUNCTION_USAGE.
3876 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3878 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3879 equivalent to -ansi in disabling -Di386.
3881 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3883 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3885 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3887 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3889 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3891 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3893 * invoke.texi: Document that -fcond-mismatch isn't supported for
3896 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3898 * gcc.texi: Define macro gcctabopt.
3899 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3900 @command, @env and @option in some places where appropriate. Use
3901 @gcctabopt where appropriate. Put URLs and email addresses inside
3904 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3906 * gcc.c (cpp_options): Set MD file name from output
3907 filename, if specified.
3908 (suffix_subst): New static variable.
3909 (do_spec): Clear it.
3910 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3912 (give_switch): Handle suffix_subst.
3914 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3916 * invoke.texi: Fix another typo.
3918 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3920 * invoke.texi: Fix typo.
3922 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3924 * c-lang.c (lang_hooks): Update.
3925 (lang_decode_option): Remove.
3926 (lang_init_options): Rename c_init_options.
3927 * toplev.c (main): Use lang_hooks for lang_init_options
3928 and lang_decode_option.
3929 * toplev.h (lang_hooks): Add 2 new hooks.
3930 * tree.h: Remove lang_init_options and lang_decode_option.
3931 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3932 * cp/decl2.c: Similarly.
3933 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3934 (lang_hooks): Update.
3935 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3937 (lang_init_options): Rename ffe_init_options.
3938 (lang_hooks): Update.
3939 (lang_decode_option): Remove.
3940 * java/lang.c (lang_init_options): Rename java_init_options.
3941 (lang_decode_option): Rename java_decode_option.
3942 (lang_hooks): Update.
3943 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3944 (lang_decode_option): Rename objc_decode_option.
3945 (lang_hooks): Update.
3947 2001-01-09 Nick Clifton <nickc@redhat.com>
3949 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3950 (d30v_return_addr_rtx): Delete.
3951 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3952 cfun->machine structure.
3953 (struct machine_function): Move to d30v.h
3954 (d30v_save_machine_status): Delete.
3955 (d30v_restore_machine_status): Delete.
3956 (d30v_init_machine_status): New Function.
3957 (d30v_mark_machine_status): New Function.
3958 (d30v_free_machine_status): New Function.
3959 (d30v_init_expanders): Use new functions.
3960 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3961 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3962 d30v_return_addr_rtx.
3964 * config/d30v/d30v.h (struct_machine): Move here.
3965 Add eh_epilogue_sp_ofs field.
3967 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3968 field in cfun->machine structure.
3970 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3972 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3973 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3974 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3976 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3978 * objc/lang-options.h: Remove bogus reference to
3981 2001-01-09 Kazu Hirata <kazu@hxi.com>
3983 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3986 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3988 * reload.c (find_reloads_address): Check for eliminable registers
3989 when substituting a constant expression for a pseudo.
3991 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3993 * c-common.c (enum format_type): Add format_type_error.
3994 (decode_format_type): New function.
3995 (decl_attributes): Use it.
3996 (format_kind_info): Adjust comment.
3998 2001-01-09 David O'Brien <obrien@BSDi.com>
4000 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4001 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4003 * config/i386/gnu.h: Don't include required platform specific .h files,
4004 tm.h will do it instead.
4005 * config/i386/i386elf.h: Likewise.
4006 * config/i386/linux.h: Likewise.
4007 * config/i386/moss.h: Likewise.
4008 * config/mips/gnu.h: Likewise.
4010 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4012 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4013 (rs6000-ibm-aix3.[01]*): Likewise.
4014 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4015 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4016 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4017 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4018 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4019 (powerpc-*-eabiaix*): Likewise.
4020 (powerpc-*-eabisim*): Likewise.
4021 (powerpc-*-elf*): Likewise.
4022 (powerpc-*-eabi*): Likewise.
4023 (powerpc-*-rtems*): Likewise.
4024 (powerpc-*-linux*libc1): Likewise.
4025 (powerpc-*-linux*): Likewise.
4026 (powerpc-wrs-vxworks*): Likewise.
4027 (powerpcle-wrs-vxworks*): Likewise.
4028 (powerpcle-*-sysv*): Likewise.
4029 (powerpcle-*-elf*): Likewise.
4030 (powerpcle-*-eabisim*): Likewise.
4031 (powerpcle-*-eabi*): Likewise.
4032 (powerpcle-*-solaris2*): Likewise.
4033 * config/rs6000/aix31.h: Delete includes.
4034 * config/rs6000/aix3newas.h: Likewise.
4035 * config/rs6000/aix41.h: Likewise.
4036 * config/rs6000/aix43.h: Likewise.
4037 * config/rs6000/beos.h: Likewise.
4038 * config/rs6000/rtems.h: Likewise.
4039 * config/rs6000/sysv4.h: Likewise.
4041 2001-01-09 Kazu Hirata <kazu@hxi.com>
4043 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4044 Change an argument mode of machine_mode to shift_mode of
4045 shift_mode. Remove an extra error check.
4046 (emit_a_shift): Adopt to the new calling prototype of
4048 (function_prologue): Fix code for a monitor
4049 function. Support H8/S.
4050 (function_epilogue): Do not output pop for a monitor function.
4052 2001-01-09 Nick Clifton <nickc@redhat.com>
4054 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4055 (setup_incoming_varargs): Use sysv_varargs_p field of the
4056 cfun->machine structure.
4057 (struct machine_function): Move to rs6000.h
4058 (rs6000_save_machine_status): Delete.
4059 (rs6000_restore_machine_status): Delete.
4060 (rs6000_init_machine_status): New Function.
4061 (rs6000_free_machine_status): New Function.
4062 (rs6000_init_expanders): Use new functions.
4064 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4066 (struct machine_function): Move here.
4068 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4069 sysv_varargs_p field of the cfun->machine structure.
4071 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4073 (rs6000_restore_machine_status): Remove prototype.
4075 2001-01-09 Richard Henderson <rth@redhat.com>
4077 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4078 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4079 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4080 (sched_analyze_2, sched_analyze_insn): Likewise.
4081 (sched_analyze, init_deps): Likewise.
4082 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4083 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4084 (compute_block_backward_dependences): Update propagate_deps call.
4086 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4088 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4090 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4092 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4093 (cpp_handle_option): Handle them.
4094 (cpp_post_options): Ensure one of -M or -MM is specified with
4095 any other -M? option.
4096 (init_dependency_output): Suppress output with -MG.
4098 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4101 * invoke.texi: Update.
4103 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4105 * sh.md (reload_outsf): Generate recognizable patterns for
4108 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4110 * c-lang.c (lang_hooks): Update.
4111 (lang_init): Rename c_init.
4112 (lang_finish): Remove.
4113 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4115 * toplev.h (lang_hooks): Add init () and finish ().
4116 * tree.h (lang_init, lang_finish): Remove.
4117 * cp/tree.h (lang_init, lang_finish): Remove.
4118 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4119 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4121 (lang_init, lang_finish): Remove.
4122 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4123 (lang_hooks): Update.
4124 * java/lang.c (lang_init): Rename java_init.
4125 (lang_finish): Remove.
4126 (lang_hooks): Update.
4127 * objc/objc-act.c (lang_init): Rename objc_init.
4128 (lang_finish): Remove.
4129 (lang_hoooks): Update.
4131 20001-01-09 Graham Stott <grahams@redhat.com>
4133 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4134 after `ptr` is initialised.
4136 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4138 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4139 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4140 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4141 stack adjusts, instead of r3.
4143 2001-01-09 Michael Hayes <mhayes@redhat.com>
4145 * flow.c (flow_loop_scan): Break out of ...
4146 (flow_loops_find) ... here.
4147 * basic-block.h (flow_loop_scan): New.
4148 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4149 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4151 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4153 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4155 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4156 realloc()ing macro_buffer.
4158 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4159 if it's wider than long and the target's long is wider than the
4162 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4164 Remove support for using UWIN as a host machine.
4165 * configure.in: Issue an error message.
4166 * configure: Regenerated.
4167 * config.gcc: Remove xm_* UWIN configury.
4168 * config/i386/xm-uwin.h: Remove.
4170 2001-01-08 Nick Clifton <nickc@redhat.com>
4172 * config/v850/v850.c (ra_rtx): Delete.
4173 (v850_save_machine_status): Delete.
4174 (v850_restore_machine_status): Delete.
4175 (v850_init_machine_status): New function.
4176 (v850_mark_machine_status): New function.
4177 (v850_free_machine_status): New function.
4178 (v850_return_addr): Use ra_rtx field in machine structure.
4179 (v850_init_expanders): Use new functions.
4181 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4182 * config/v850/v850.c: Change arguments to v850_output+* functions
4183 to take a const char *, to avoid compile time warning.
4184 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4185 (USER_LABEL_PREFIX): Redefine.
4187 2000-01-08 Jim Wilson <wilson@redhat.com>
4189 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4190 1 to unsigned HOST_WIDE_INT before left shift.
4192 2001-01-08 Nick Clifton <nickc@redhat.com>
4194 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4195 the machine structure has been allocated.
4196 (arm_free_machine_status): New function: Free the machine
4197 specific function structure.
4199 2001-01-08 Richard Henderson <rth@redhat.com>
4201 * jump.c (simplejump_p): Revert last change.
4203 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4205 * cppinit.c (init): Rename init_library.
4206 (cpp_create_reader): Update.
4207 * gcc.c (cpp_options): If -o given, use it as the target of
4210 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4212 * arm.c (arm_arch5e): New variable.
4213 (all_cores): XScale is a 5TE device.
4214 (arm_override_options): Set arm_arch5e.
4215 (arm_init_builtins): __builtin_prefetch is in arch5e.
4216 * arm.h (arm_arch5e): Declare it.
4218 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4220 * arm.md (define_constants): Add defines for UNSPEC and
4221 UNSPEC_VOLATILE insns. Update all users.
4222 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4223 * arm.c (multi_register_push, note_invalid_constants)
4224 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4225 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4226 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4228 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4230 * jump.c (jump_optimize_1): Use reversed_comparison_code
4231 instead of can_reverse_comparison_p.
4232 (jump_back_p): Likewise.
4233 (invert_exp_1): Likewise.
4234 (thread_jumps): Likewise.
4235 * simplify-rtx.c (simplify_unary_operation): Likewise.
4236 (simplify_ternary_operation): Likewise.
4237 * cse.c (find_comparison_args): Convert to use
4238 can_reverse_comparison_p.
4239 (record_jump_equiv): Likewise.
4241 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4243 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4244 (EPILOGUE_USES): Define.
4245 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4246 automatically stack the LR if it isn't live.
4248 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4250 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4253 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4255 * ggc-page.c (max_alignment): New structure.
4256 (MAX_ALIGNMENT): New macro.
4257 (init_ggc): Use it to round up the sizes in the
4258 extra_order_size_table.
4260 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4262 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4265 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4267 * builtins.def (BUILT_IN_FPRINTF): New entry.
4269 * c-common.c (c_expand_builtin_fprintf): New function.
4270 (init_function_format_info): Handle __builtin_fprintf.
4271 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4272 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4274 * c-decl.c (duplicate_decls): Adjust comment.
4276 * extend.texi (fprintf): Document new builtin.
4278 2001-01-07 Richard Henderson <rth@redhat.com>
4280 * jump.c (simplejump_p): Recognize any single_set jump
4283 2001-01-07 Richard Henderson <rth@redhat.com>
4285 * configure.in (slibdir): Accept an --with-slibdir option.
4286 Use "test" not "[" in configure. Default to $(libdir).
4288 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4290 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4291 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4292 (SHLIB_LINK): Create links for the soname.
4293 * config/mips/t-iris6: Likewise.
4294 * config/sparc/t-slibgcc: Likewise.
4295 * config/sparc/t-slibgcc-sld: Likewise.
4297 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4299 * config/i386/i386.c (constant_call_address_operand): Accept
4300 (const (plus (symbol_ref) (const_int))).
4301 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4302 constant_call_address_operand.
4304 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4306 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4307 and LONG_LONG_TYPE_SIZE > 32.
4309 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4311 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4312 the previous change.
4314 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4316 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4318 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4319 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4320 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4323 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4325 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4327 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4329 * c-lang.c (c_post_options): Call cpp_post_options.
4330 * objc/objc-act.c (objc_post_options): Similarly.
4331 * cppmain.c (main): Similarly.
4332 * fix-header.c (read_scan_file): Similarly.
4333 * cppinit.c (cpp_start_read): Move option consistency checks
4334 to cpp_post_options. Don't call init_dependency_output.
4335 If needed, add default target and main file dependency.
4336 (OPT_MD, OPT_MMD): Remove.
4338 (cpp_handle_option): Update for OPT_* changes.
4339 (cpp_post_options): New.
4340 (init_dependency_output): Command line -MF overrides environment
4341 variables. Don't set default target etc. Suppress output
4342 if dependencies are going to stdout.
4343 (print_help): Update.
4344 * cpplib.h (cpp_post_options): New.
4345 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4347 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4349 * jump.c (comparison_dominates_p): Support unordered compares.
4351 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4353 * simplify-rtx.c (simplify_relational_operation): Always simplify
4354 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4357 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4359 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4360 (nonzero_bits): Likewise.
4361 (simplify_comparison): Likewise.
4362 (num_sign_bit_copies): Likewise; return more sane value depending
4363 on STORE_FLAG_VALUE.
4364 (known_cond): Do not assume EQ to be always true for equivalent
4367 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4369 * cse.c (fold_rtx): Handle unordered comparisons.
4371 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4373 * rtlanal.c (set_of_1): New static function.
4374 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4375 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4376 reg_set_last_last_regno): Remove.
4377 (set_of): New global function.
4378 (set_of_data): New structure.
4379 (reg_set_p, reg_set_last): Revamp for set_of.
4380 * rtl.h (set_of): New.
4382 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4384 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4385 * extend.texi: Document _Exit builtin.
4387 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4389 * (initialize, initialize_builtins,
4390 initialize_dependency_output, initialize_standard_includes):
4391 Rename s/initialize/init. Update.
4392 (init_dependency_output): Move to after
4393 cpp_handle_options, the correct location temporally at least.
4394 (opt_comp): Move next to init (), its caller. Fix prototype.
4395 (init): Make "initialized" local scope.
4396 (cpp_create_reader): Always call init ().
4397 (cpp_start_read): Update.
4398 (output_deps): New function, broken out of cpp_finish.
4399 (cpp_finish): Break out output_deps.
4401 2001-01-07 Richard Henderson <rth@redhat.com>
4403 * collect2.c (COFF specific stuff): Revert 12-06 patch
4404 to prototype system functions.
4406 2001-01-07 Michael Hayes <mhayes@redhat.com>
4408 * hard-reg-set.h: Add multiple include guard.
4409 * basic-block.h (struct loop): Add `sink' field.
4410 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4411 (emit_iv_add_mult): Delete.
4412 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4413 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4414 (unroll_loop): Remove end_insert_before argument.
4415 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4416 (maybe_eliminate_biv_1): Likewise.
4417 (emit_iv_add_mult): Delete.
4418 (gen_add_mult, loop_regs_update): New.
4419 (loop_insn_emit_after, loop_insn_emit_before): New.
4420 (loop_insn_sink, loop_insn_sink_or_swim): New.
4421 (emit_iv_add_mult): Delete.
4422 (scan_loop): Set loop->sink.
4423 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4424 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4425 (maybe_eliminate_biv_1): Likewise.
4426 (maybe_eliminate_biv_1): Add basic block argument.
4427 * unroll.c (unroll_loop): Remove end_insert_before argument.
4428 (find_splittable_regs): Likewise.
4429 (find_splittable_regs): Use loop_insn_sink and its ilk.
4430 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4432 2001-01-07 Michael Hayes <mhayes@redhat.com>
4434 * loop.h (loop_insn_hoist): New prototype.
4435 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4436 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4437 (check_dbra_loop, load_mems): Likewise.
4438 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4439 (find_splittable_givs): Likewise.
4441 2001-01-07 Michael Hayes <mhayes@redhat.com>
4443 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4445 2001-01-07 Richard Henderson <rth@redhat.com>
4447 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4449 2001-01-07 Richard Henderson <rth@redhat.com>
4451 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4452 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4453 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4454 variant that handles a shared libgcc.
4455 (process_command): Always validate -{static,shared}-libgcc.
4456 (do_spec_1): New 'M' case.
4457 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4459 2001-01-07 Richard Henderson <rth@redhat.com>
4461 * Makefile.in (slibdir): New variable.
4462 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4463 (installdirs): Create slibdir.
4464 (install-libgcc, install-multilib): Defer to libgcc.mk.
4465 * configure.in (slibdir): Substitute.
4466 * mklibgcc.in (install): New target.
4468 * config/t-linux (SHLIB_LINK): Create links for the soname.
4469 (SHLIB_INSTALL): New.
4470 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4471 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4472 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4473 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4474 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4476 2001-01-07 Richard Henderson <rth@redhat.com>
4478 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4479 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4480 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4482 2001-01-07 Michael Hayes <mhayes@redhat.com>
4484 * loop.c (count_loop_regs_set): Delete.
4485 (load_mems_and_recount_loop_regs_set): Delete.
4486 (loop_regs_scan): Merge common code from count_loop_regs_set,
4487 scan_loop, and load_mems_and_recount_loop_regs_set.
4488 (scan_loop): Call load_mems directly and loop_regs_scan
4489 again if new registers created.
4491 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4493 * toplev.c (main): Call the front-end specific post_options
4494 hook if one is given.
4495 * toplev.h (struct_lang_hooks, lang_hooks): New.
4496 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4497 for the C front end.
4498 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4499 lang_hooks for the C++ front end.
4500 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4501 lang_hooks for the ObjC front end.
4502 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4503 * java/lang.c (lang_hooks): Hooks for the Java front end.
4505 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4507 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4508 for verbose DWARF[2] debugging.
4509 (cb_define, cb_undef): The new callbacks.
4510 * toplev.h (debug_define, debug_undef): Make const correct.
4511 * toplev.c (debug_define, debug_undef): Similarly. Do not
4512 perform the verbosity tests here anymore.
4514 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4516 * reload.c (subst_reloads): Take INSN argument. When
4517 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4518 * reload.h (subst_reloads): Adjust prototype.
4519 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4520 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4521 present in JUMP_INSNs and copy them to JUMP_LABEL.
4522 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4523 JUMP_INSNs and insns with REG_LABELs that are followed by
4524 JUMP_INSNs with the same REG_LABEL.
4525 * sched-rgn.c (is_cfg_nonregular): Likewise.
4526 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4528 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4530 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4532 2001-01-06 Richard Henderson <rth@redhat.com>
4534 * loop.c (scan_loop): Use xcalloc for the regs array.
4535 (load_mems_and_recount_loop_regs_set): Zero the new memory
4536 received from xrealloc.
4538 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4540 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4542 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4544 * integrate.c (copy_rtx_and_substitute): When copying
4545 an ignored return value, strip REG_FUNCTION_VALUE_P.
4547 2001-01-06 Michael Hayes <mhayes@redhat.com>
4549 * loop.c (debug_biv, debug_giv): New.
4550 (loop_biv_dump): Break out from ...
4551 (record_biv): ... here.
4552 (loop_giv_dump): Break out from ...
4553 (record_giv): ... here.
4554 (loop_bivs_check): Use print_simple_rtl.
4555 * unroll.c (loop_iterations): Use print_simple_rtl.
4557 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4559 * pa.md (return, return_internal): Modify patterns to prevent regrename
4560 mucking with the return pointer.
4562 2001-01-05 Richard Henderson <rth@redhat.com>
4564 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4566 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4568 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4569 version supplied by Matteo Frigo.
4571 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4573 * cpp.texi: Update for -MQ.
4574 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4575 (cpp_cleanup): Always free pfile->deps.
4576 (initialize_dependency_output): Don't create pfile->deps.
4577 (cpp_handle_option): Similarly.
4579 * gcc.c (cpp_options): Handle -MQ.
4580 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4581 * mkdeps.c (base_name): Remove.
4582 (deps_init): Don't allocate vector space until it's needed.
4583 (deps_free): Only free vectors if allocated.
4584 (deps_add_target, deps_add_dep): Update for initial allocation.
4585 (deps_add_default_target): Don't strip to the base_name.
4587 2001-01-05 DJ Delorie <dj@redhat.com>
4589 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4590 (INIT_EXPANDERS): Define.
4592 * config/v850/v850.c (struct machine_function): Define.
4593 (v850_save_machine_status): New function.
4594 (v850_restore_machine_status): New function.
4595 (v850_return_addr): New function.
4596 (v850_init_expanders): New function.
4598 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4599 and v850_init_expanders.
4601 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4603 * cpplib.h (struct cpp_reader): Add help_only field.
4604 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4605 (cpp_handle_option): Set pfile->help_only if we see -h,
4606 --help, -target-help, or --version. Print version string but
4607 do not set help_only if we see -v or -version. Make text
4608 printed by -v match that printed by (-)-version.
4610 * cppmain.c (main): Exit after option parsing if
4611 pfile->help_only is true.
4613 * toplev.c (independent_decode_option): Call print_version,
4614 then exit, if we see --version (but not -version).
4615 (print_version): Split lengthy message into two lines.
4617 2001-01-05 Nick Clifton <nickc@redhat.com>
4619 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4620 temporary string for initialisation before calling ggc_alloc_string.
4622 2001-01-06 Michael Hayes <mhayes@redhat.com>
4624 * rtl.h (print_simple_rtl): New.
4625 * print-rtl.c (print_simple_rtl): New.
4627 (print_rtx): Disable printing of flags and modes, etc.,
4628 if `flag_simple` nonzero.
4630 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4632 * function.c (fixup_var_refs): Use push_to_full_sequence where
4635 2001-01-05 Michael Meissner <meissner@redhat.com>
4637 * flags.h (flag_reorder_blocks): Add declaration.
4638 (flag_rename_block): Ditto.
4640 2001-01-05 DJ Delorie <dj@redhat.com>
4642 * function.c (reorder_blocks): Make sure the flags are all reset
4643 before using them to mark blocks, else a second invocation will
4644 corrupt the block chain.
4645 (reorder_blocks_0): New, resets the flags.
4647 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4649 * cse.c (find_comparison_args): Stop if the argument is known to
4652 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4654 * config/sh/sh.md (movdf): When splitting load into pair of
4655 registers, don't clobber the register used in the address too
4658 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4660 * varasm.c (mark_constant_pool): Improve initial comments.
4661 (mark_constants): Move marking of constants to mark_constant.
4662 (mark_constant): New function to recursively mark all constants
4663 referred to by a constant.
4665 2001-01-05 Catherine Moore <clm@redhat.com>
4667 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4669 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4671 * cp/lang-options.h: Bring comment in line with reality.
4672 * f/lang-options.h: Likewise.
4673 * java/lang-options.h: Likewise.
4674 * objc/lang-options.h: Likewise.
4675 * ch/lang-options.h: Likewise.
4676 * f/g77.texi: And update the manual.
4678 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4679 Denis Chertykov <denisc@overta.ru>
4681 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4682 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4683 * config/avr/avr.md (all peepholes that request a scratch register):
4684 Call it, FAIL the peephole if not safe (in interrupt functions).
4686 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4688 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4690 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4692 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4694 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4695 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4696 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4697 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4698 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4700 * extend.texi: Document these builtins.
4702 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4704 * c-common.c (lang_get_alias_set): Say we know nothing of
4705 VECTOR_TYPE aliasing.
4707 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4709 2001-01-05 Bruce Korb <bkorb@gnu.org>
4711 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4712 their x* equivalent versions for atexit-less systems
4713 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4714 systems (or any other system any more).
4716 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4718 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4719 output operands. Use arm_hard_register_operand for operand 4.
4720 (stmsi_postinc): Similarly.
4721 (ldmsi): Use arm_hard_register_operand for opernand 2.
4723 * arm.c (arm_hard_register_operand): New function.
4724 * arm-protos.h (arm_hard_register_operand): Prototype it.
4726 * arm.h (HARD_REGNO_RENAME_OK): Define.
4728 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4730 * simplify-rtx.c (cfc_args): add "unordered" field.
4731 (check_fold_consts): Set unordered field.
4732 (simplify_relational_operation): Simplify the unordered
4735 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4738 * emit-rtl.c (try_split): Fix code to mark labels.
4739 * jump.c (mark_jump_label): Make global.
4740 * rtl.h (mark_jump_label): Declare.
4742 * predict.c (estimate_probability): Handle unordred comparisons.
4744 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4746 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4747 * cppinit.c (initialize_dependency_output): Update.
4748 (cpp_finish): Output dummy targets for -MP.
4750 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4751 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4752 * gcc.c (cpp_options): Update to handle -MP.
4753 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4754 to quote only the default target.
4755 (deps_phony_targets): Insert a preceding newline. Rename from
4756 deps_dummy_targets for consistency.
4759 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4761 * calls.c (emit_library_call_value_1): Support
4762 INIT_CUMULATIVE_LIBCALL_ARGS.
4763 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4765 2001-01-04 Richard Henderson <rth@redhat.com>
4767 * c-decl.c (finish_struct): Detect flexible array members
4768 used in an inappropriate context.
4769 * c-typeck.c (really_start_incremental_init): Special case
4770 constructor_max_index for zero length arrays.
4771 (pop_init_level): Allow initialization of flexible array
4772 members. Deprecate initialization of zero length arrays.
4773 Don't issue missing initializer warning for flexible array
4774 members or zero length arrays.
4775 (process_init_element): Don't dereference null DECL_SIZE.
4776 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4777 Don't abort for empty constructors. Use size_binop
4778 (output_constructor): Add commentary regarding zero length
4779 array futures. Abort if we try to initialize an array of
4780 unspecified length with a non-empty constructor in the middle
4783 * extend.texi (Zero Length): Update and clarify documentation
4784 on static initialization.
4786 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4788 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4789 with more than 32767 words of local storage.
4791 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4793 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4794 for 'abs', 'labs', and 'fabs'.
4795 (c4x_expand_builtin): Likewise.
4796 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4798 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4800 * config/sh/sh.md (prget, prset): New insn types.
4801 (return delay slot): Dont' allow prset.
4802 (call, sfunc delay slot): Don't allow prget.
4803 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4804 for prset and prget.
4806 2001-01-05 Michael Hayes <mhayes@redhat.com>
4808 * loop.h (struct loop_reg): New.
4809 (struct loop_regs): Change to use array of `struct loop_reg'.
4810 * loop.c: Replace assortment of varrays with single regs array.
4811 (count_one_set): Delete may_not_move array argument
4812 and use regs array instead. All caller's changed.
4813 (count_loop_regs_set): Delete may_not_move and single_usage
4814 arguments and use regs array instead. All caller's changed.
4815 (find_single_use_in_loop): Replace usage array argument with pointer
4816 to regs structure. All caller's changed.
4817 (loop_optimize): Delete `moved_once' array.
4819 2001-01-05 Michael Hayes <mhayes@redhat.com>
4821 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4822 Use it instead of loop_info->has_call for scanning loop mems.
4823 (check_dbra_loop): Replace loop_info->has_call test with
4824 loop_info->has_nonconst_call.
4826 2000-01-04 Matthew Hiller <hiller@redhat.com>
4828 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4831 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4833 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4834 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4836 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4838 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4839 (flag_short_double, flag_short_wchar): Define.
4840 (c_common_nodes_and_builtins): Create many tree nodes shared
4841 between C and C++ here instead of in cp/decl.c and ...
4842 * c-decl.c (init_decl_processing): ... here.
4843 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4844 (flag_short_double, flag_short_wchar): Don't define.
4845 (record_builtin_type): New function.
4846 (build_void_list_node): New function.
4847 * c-common.h (flag_short_double, flag_short_wchar,
4848 record_builtin_type, build_void_list_node): Declare.
4850 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4852 * integrate.c (expand_inline_function): Don't put a virtual
4853 register into the reg map.
4855 * function.c (fixup_var_refs_1): If force_operand didn't put
4856 the address into the target, move it there.
4858 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4860 Special-case tree_decl/tree_list allocations.
4861 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4862 (OBJECT_SIZE): New macro.
4863 (NUM_EXTRA_ORDER): Likewise.
4864 (extra_order_size_table): New variable.
4865 (NUM_ORDERS): New macro.
4866 (objects_per_page_table): New variable.
4867 (object_size_table): New variable.
4868 (G.pages): Use NUM_ORDERS to bound the array.
4869 (G.page_tails): Likewise.
4870 (DIV_ROUND_UP): Remove.
4871 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4872 (alloc_page): Use OBJECT_SIZE.
4873 (size_lookup): Don't make it const.
4874 (ggc_alloc): Use OBJECT_SIZE.
4875 (ggc_set_mark): Likewise.
4876 (ggc_get_size): Likewise.
4877 (init_ggc): Set up the object_size_table, objects_per_page_table,
4878 and adjust size_lookup.
4879 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4880 (ggc_pop_context): Use NUM_ORDERS.
4881 (clear_marks): Likewise.
4882 (sweep_pages): Likewise.
4883 (poison_pages): Likewise.
4884 (ggc_print_statistics): Use OBJECT_SIZE.
4886 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4888 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4889 Only call array_size_for_constructor if last field and array type
4890 with no upper bound.
4892 2001-01-04 Philip Blundell <philb@gnu.org>
4894 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4895 from bit 31 downwards, if this requires no more insns.
4896 (count_insns_for_constant): New helper function for above.
4898 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4900 * gencodes.c (output_predicate_decls): Remove empty initializer.
4902 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4904 * tree.c (copy_node): Remove documentation about obstacks.
4905 (buidl1): Check that nobody tries to build 2-argument nodes this
4908 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4910 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4913 * gencodes.c (output_predicate_decls): Fill empty initializer
4916 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4918 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4919 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4921 (do_include): Handle missing headers like cpp0.
4922 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4923 paths with first include pathname. Don't strcat to uninitialized
4926 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4928 * regrename.c (regrename_optimize): Don't rename from frame pointer
4929 if frame_pointer_needed.
4930 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4931 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4932 (ia64_reorg): Use it instead of scheduling if ! optimize.
4933 (errata_emit_nops): Properly call asm_noperands.
4934 (ia64_sched_reorder): Finish cycle if we see an asm.
4935 (ia64_variable_issue): Clear scheduling state after asms.
4937 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4939 * cpp.texi: Update for -MT.
4940 * cppinit.c (initialize_dependency_output): Add a default
4941 target if none has been given already.
4942 (no_tgt, OPT_MT): New.
4943 (cpp_handle_option): Handle -MT. Update -M etc.
4944 * cpplib.h (struct cpp_options): Remove deps_target.
4945 * gcc.c (cpp_options): Handle -MT.
4946 * mkdeps.c (struct deps): Move from mkdeps.h.
4947 (deps_calc_target): Rename deps_add_default_target. Add a
4948 default target if none has been specified already.
4949 * mkdeps.h (struct deps): Move to mkdeps.c.
4950 (deps_calc_target): Rename deps_add_default_target.
4952 2000-01-03 Richard Henderson <rth@redhat.com>
4954 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4956 * c-typeck.c (push_init_level): Move checks for flexible array
4957 members and zero length arrays ...
4958 (pop_init_level): ... here. Silently discard empty initializations.
4960 * varasm.c (output_constructor): Update for sizeof change to
4963 * extend.texi (Zero Length): Clarify semantics.
4965 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4967 * configure.in (tm.h): Include isns-codes.h last.
4968 * configure: Rebuilt.
4970 2001-01-03 Richard Henderson <rth@redhat.com>
4972 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4973 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4975 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4977 * tradcpp.c (main): Make sure finclude() is called with a valid
4978 indepth value while handling -include.
4980 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4982 * gencodes.c (output_predicate_decls): New function.
4984 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4985 even if it is not the first time machmode.h is #included.
4986 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4987 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4988 * gcc.texi (Copyright): Added 2001.
4990 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4992 * c-common.c (c_common_lang_init): New function. Warn if format
4993 warning options which only have effects when used with -Wformat
4994 are used without -Wformat.
4995 * c-common.h (c_common_lang_init): Declare.
4996 * c-lang.c (lang_init): Call c_common_lang_init.
4997 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4999 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5001 * configure.in: Check for the mktemp command.
5002 * configure: Regenerate.
5003 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5004 $TEMP. Create temporary files with mktemp, if available at
5005 configure time; otherwise use set -C. Remove temporary files
5008 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5010 * configure.in: Require at least texinfo 4.0. Check for whether
5011 Pod::Man is sufficiently recent to regenerate GCC manpages.
5012 * configure: Regenerate.
5013 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5015 (GENERATED_MANPAGES): Define.
5016 (generated-manpages): New target. Depend on cpp.1 as well as
5018 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5019 configure to generated-manpages or empty) rather than on the
5020 manpages directly. Remove execute permission from installed
5021 gcov.1 as well as cpp.1.
5022 * cpp.1, gcov.1: Regenerate.
5024 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5026 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5027 tree_low_cst. Allow using cmpstrsi in more cases.
5029 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5031 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5034 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5036 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5037 * Makefile.in (HOST_CFLAGS): Mention build-make.
5039 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5041 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5044 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5046 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5049 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5052 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5053 reg_base_value and reg_known_value arrays.
5054 (init_alias_analysis): Add more cases to detect known values.
5055 * sched-deps.c (deps_may_trap_p): New function.
5056 (sched_analyze_2): Use it.
5058 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5060 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5061 don't discard an ASHIFTRT if we're shifting in a wider mode.
5063 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5065 * toplev.c (rest_of_compilation): Don't print basic block information
5066 when CFG isn't up to date.
5068 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5070 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5071 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5072 (UNALIGNED_SHORT_ASM_OP): Define.
5073 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5075 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5077 * fold-const.c (fold_convert): Fix typo.
5079 2001-01-02 Richard Henderson <rth@redhat.com>
5081 * c-common.h (ASM_INPUT_P): New.
5082 * c-parse.in (asm): Set it when needed.
5083 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5084 existance of an operand.
5086 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5088 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5089 (dwarf2out_frame_debug_expr): Likewise.
5090 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5092 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5094 * i386.c (ix86_split_to_parts): Return number of part required;
5096 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5098 (ix86_split_long_move): Use number of part returned
5099 by ix86_split_to_parts
5100 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5102 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5103 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5104 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5105 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5106 (ALIGN_MODE_128): Add TFmode.
5107 (IS_STACK_MODE): Likewise.
5108 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5109 (HARD_REGNO_OK): Support TFmodes.
5110 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5111 * i386.md (scheduler definitions): Use memory operand to determine
5112 fst/fld instructions; use mode attribute to determine real mode of
5114 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5115 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5117 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5119 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5121 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5123 * expr.c (store_constructor_field): Update ALIGN before calling
5126 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5128 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5131 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5133 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5136 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5138 * c-decl.c (start_function): Don't warn on third parameter to main.
5140 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5142 * tsystem.h: Define HAVE_DECL_GETOPT.
5144 2001-01-02 Philip Blundell <pb@futuretv.com>
5146 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5149 2001-01-02 Richard Henderson <rth@redhat.com>
5151 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5153 2001-01-02 Andreas Jaeger <aj@suse.de>
5155 * c-decl.c (c_decode_option): Remove support of
5158 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5159 (W_options): Add -Wmissing-noreturn here.
5161 * flow.c: Define lang_missing_noreturn_ok_p.
5162 (check_function_return_warnings): Use it.
5164 * c-common.h: Declare lang_missing_noreturn_ok_p.
5166 * c-lang.c (c_missing_noreturn_ok_p): New function.
5167 (lang_init): Set lang_missing_noreturn_ok_p.
5169 * invoke.texi (Warning Options): Document this.
5171 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5173 * extend.texi (C++ Extensions): New node for C++ attributes;
5174 describe init_priority and com_interface.
5175 * invoke.texi: Remove -finit-priority as it now has zero effect.
5176 * install.texi: Fix xref syntax.
5177 * md.texi: Likewise.
5179 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5181 * config.gcc (sparc64-wrs-vxworks*): New case.
5182 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5184 * config/sparc/sparc.c (sparc_override_options): Do support different
5185 pointer and architecture size.
5186 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5187 (POINTERS_EXTEND_UNSIGNED): Define.
5188 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5189 (FUNCTION_MODE): Define to be Pmode.
5190 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5192 * function.c (expand_function_end): Properly handle DECL_RESULT
5193 and copy when ptr_mode != Pmode.
5194 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5196 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5198 * c-common.c (c_common_nodes_and_builtins): Set prototype
5199 parameters for __builtin_fputs, __builtin_fputc and
5200 __builtin_fwrite. Don't declare plain fputc as a builtin.
5202 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5204 * loop.c (add_label_notes): Increment the label usage count when
5205 a note is added to an insn which refers to a CODE_LABEL.
5206 * gcse.c (add_label_notes): Likewise.
5208 2001-01-01 Andreas Jaeger <aj@suse.de>
5210 * loop.c (scan_loop): Use xmalloc to allocate movables.
5212 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5214 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5215 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5216 * reload1.c (REGISTER_MOVE_COST): Likewise.
5217 * regclass.c (REGISTER_MOVE_COST): Likewise.
5218 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5219 dimension. Adjust all users.
5220 (init_reg_sets_1): Iterate on all modes.
5221 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5222 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5223 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5224 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5225 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5226 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5227 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5228 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5229 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5230 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5231 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5232 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5233 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5234 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5235 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5236 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5237 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5238 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5239 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5240 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5241 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5242 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5243 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5244 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5245 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5246 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5247 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5249 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5251 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5252 arg VARIES_P. Call it with extra arg.
5253 (true_dependence): Likewise.
5254 * rtl.h (rtx_addr_can_trap_p): Declare.
5255 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5257 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5258 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5259 pic offset table register if it's zero. All callers changed.
5260 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5262 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5264 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5265 STRING_POOL_ADDRESS_P.
5267 * config/sparc/sparc.c (input_operand): Properly test for short op.
5269 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5270 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5271 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5272 * config/sparc/elf.h: No longer include sol2.h.
5273 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5274 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5276 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5278 2001-01-01 Michael Hayes <mhayes@redhat.com>
5280 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5281 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5282 (record_initial): Likewise.
5283 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5284 (remap_split_bivs): Likewise.
5286 2001-01-01 Michael Hayes <mhayes@redhat.com>
5288 * loop.c (loop_ivs_free): New function.
5289 (strength_reduce): Break out from...
5291 2001-01-01 Michael Hayes <mhayes@redhat.com>
5293 * loop.h (struct iv): New.
5294 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5295 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5296 'reg_biv_class' fields with 'regs' and 'n_regs'.
5297 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5298 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5299 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5301 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5303 * resource.c (mark_referenced_resources): Abort() before
5304 attempting to mark a pseudo register.
5305 (mark_set_resources): Likewise.
5307 2001-01-01 Michael Hayes <mhayes@redhat.com>
5309 * loop.h (REG_IV_CLASS): New accessor macro.
5310 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5311 * unroll.c (REG_IV_CLASS): Likewise.
5313 See ChangeLog.4 for earlier changes.