1 2001-03-02 Zack Weinberg <zackw@stanford.edu>
3 * configure.in: Kill tm.h. Include the files in the $tm_file
4 list in all three of config.h, hconfig.h, tconfig.h, after the
5 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
6 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
7 * configure: Regenerate.
8 * Makefile.in (clean): Don't delete tm.h.
10 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
11 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
12 those are not defined, set SEC and FEC to 0 and 1.
13 * gcc.texi: Update to match.
15 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
16 * config/fp-bit.c, config/m68k/aux-crt2.asm,
17 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
18 Include tconfig.h, not tm.h.
20 * config/xm-lynx.h, config/xm-std32.h,
21 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
22 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
23 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
24 config/clipper/xm-clix.h, config/convex/xm-convex.h,
25 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
26 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
27 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
28 config/i386/xm-i386.h, config/i860/xm-i860.h,
29 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
30 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
31 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
32 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
33 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
34 config/pa/xm-linux.h, config/pa/xm-pa.h,
35 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
36 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
37 config/pj/xm-pj.h, config/romp/xm-romp.h,
38 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
39 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
40 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
41 config/v850/xm-v850.h, config/vax/xm-vax.h,
42 config/we32k/xm-we32k.h:
44 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
46 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
47 config/i370/xm-oe.h: Don't include tm.h. Don't define
49 * config/vax/xm-vms.h: Don't include tm.h.
51 * config/xm-lynx.h, config/avr/xm-avr.h,
52 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
53 Delete; made empty by above changes.
54 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
55 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
56 Don't include config/xm-lynx.h or tm.h.
58 * config/xm-gnu.h: Don't include fcntl.h.
59 * config/sparc/xm-lynx.h: Don't include sys/types.h and
61 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
63 2001-03-02 Richard Henderson <rth@redhat.com>
65 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
66 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
68 2001-03-02 Richard Henderson <rth@redhat.com>
70 * Makefile.in (OBJS): Add dwarf2asm.o.
71 * dwarf2asm.c, dwarf2asm.h: New files.
72 * dwarf2out.c (*): Use them.
73 (size_of_uleb128, size_of_sleb128): Remove.
74 (output_uleb128, output_sleb128): Remove.
75 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
76 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
77 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
78 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
79 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
80 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
81 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
82 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
83 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
84 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
85 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
86 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
87 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
88 (dwarf2out_frame_debug): Remove unused variables.
89 (output_loc_operands): Don't abort on 8 byte constants if
90 host integers are wide enough.
91 (output_symbolic_ref): Remove.
92 (size_of_die): Don't assume 4 byte host integers.
93 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
95 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
96 something stupid with HOST_WIDE_INT to long truncation.
97 [CONST_DOUBLE]: Likewise.
99 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
100 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
101 * config/arm/unknown-elf.h: Likewise.
102 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
103 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
104 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
105 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
106 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
107 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
108 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
109 (ASM_OUTPUT_DWARF_OFFSET): Remove.
110 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
111 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
112 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
113 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
115 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
117 * cselib.c (hash_rtx): Cast enums to unsigned int.
119 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
121 * print-rtl.c (print_rtx): Cast enums to int for comparison.
122 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
124 * c-format.c (C_STD_VER): Cast to int for comparisons.
125 (check_function_format): Cast various enums to int for &.
126 (maybe_read_dollar_number): Likewise.
127 (check_format_info): Likewise.
128 (check_format_info_main): Likewise.
129 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
130 (safe_from_p): Likewise.
131 * varasm.c (const_hash): Cast enum to int for %.
132 * emit-rtl.c (init_emit_once): Use int loop variable to work around
133 pcc enum problems with < and ++ operators.
134 * regclass.c (init_reg_sets_1): Cast enums for comparison.
135 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
136 (regclass_init): Change enum class to int to iterate over reg_classes.
137 * genrecog.c (merge_trees): Cast enums for comparison.
138 * rtl.h (GET_CODE): Cast to enum rtx_code.
139 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
140 (GET_MODE): Cast to enum machine_mode.
141 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
142 (GET_NOTE_INSN_NAME): Cast enum to int.
143 * tree.h (TREE_CODE): Cast to enum tree_code.
144 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
145 * timevar.c (timevar_print): Change loop variable id from enum to
147 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
148 * config/i386/i386.md: Use PUT_MODE for mode assignment.
149 * toplev.c (compile_file): Cast enum DFI to int.
150 (decode_d_option): Likewise.
152 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
154 * cppinit.c (append_include_chain): Mark "after" include file name list
155 as a system directory.
156 * cpp.texi: Document new behavior.
158 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
160 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
162 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
164 * cppfiles.c (struct include_file): Update.
165 (stack_include_file): Use search_from.
166 (cpp_included, find_include_file): Update.
167 (cpp_execute_include): Update. ptr->name may not be
168 null terminated. Use the new search_from member variable
170 (_cpp_compare_file_date): Similarly.
171 (search_from): New function, similiar to actual_directory.
172 (actual_directory): Delete.
173 (remap_filename): Update. loc->name may not be null terminated.
174 (struct file_name_list): Rename search_path. Update.
175 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
177 (struct cpp_reader): Remove actual_dirs.
178 * cppinit.c (struct cpp_pending): Update for renamed objects.
179 (append_include_chain, remove_dup_dir, remove_dup_dirs,
180 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
181 * cpplib.h (struct cpp_options): Similarly.
183 2001-03-01 Zack Weinberg <zackw@stanford.edu>
185 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
186 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
187 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
188 config/clipper/xm-clix.h, config/convex/xm-convex.h,
189 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
190 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
191 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
192 config/i370/xm-linux.h, config/i370/xm-mvs.h,
193 config/i370/xm-oe.h, config/i386/xm-aix.h,
194 config/i386/xm-i386.h, config/i386/xm-osf.h,
195 config/i860/xm-i860.h, config/i960/xm-i960.h,
196 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
197 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
198 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
199 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
200 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
201 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
202 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
203 config/pj/xm-pj.h, config/romp/xm-romp.h,
204 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
205 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
206 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
207 config/v850/xm-v850.h, config/vax/xm-vax.h,
208 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
209 Do not define TRUE or FALSE.
211 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
212 empty by above change.
213 * config.gcc: Remove references to these files.
215 * configure.in: Detect stdbool.h.
216 * configure, config.in: Regenerate.
217 * system.h: Include stddef.h here if available.
218 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
219 Then set up a sensible boolean type at the very end.
221 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
222 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
224 * hash.h: Delete 'boolean' typedef and related #undefs.
226 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
227 all uses of 'boolean' with 'bool'.
229 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
231 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
232 * cppexp.c (lex): Cast enums for comparison.
233 * cppinit.c (parse_option): Cast enum for comparison.
234 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
235 (cpp_output_token): Likewise.
236 (cpp_can_paste): Cast enums for comparsion and plus/minus.
237 (cpp_avoid_paste): Cast enums for minus and comparison.
239 2001-03-01 Zack Weinberg <zackw@stanford.edu>
241 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
242 field to all array elements.
244 2001-03-01 Zack Weinberg <zackw@stanford.edu>
246 * cpphash.h (struct cpp_reader): Add print_version field.
247 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
248 just set print_version and other flags as appropriate.
249 (cpp_post_options): Print version here if print_version is set.
251 * toplev.c (exit_after_options): New flag.
252 (independent_decode_option): Don't exit here; just set
254 (main): Exit after calling lang_hooks.post_options if
255 exit_after_options is true.
257 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
258 (merge_include_chains): Adjust comment to match code.
260 2001-03-01 Zack Weinberg <zackw@stanford.edu>
262 * stringpool.c (set_identifier): New function.
263 * tree.h: Prototype it.
265 * c-parse.in: Kill D_YES. If compiled for objc, call
266 save_and_forget_protocol_qualifiers from init_reswords.
267 * objc/objc-act.c (remember_protocol_qualifiers,
268 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
269 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
271 (save_and_forget_protocol_qualifiers): New function.
272 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
274 2001-03-01 Diego Novillo <dnovillo@redhat.com>
276 * c-semantics.c (prune_unused_decls): Return error_mark_node
277 instead of (tree) 1 to stop traversing the tree chain.
279 2001-03-01 Bernd Schmidt <bernds@redhat.com>
281 Fix a problem introduced by Kenner's Feb 18 change.
282 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
283 flag_cse_skip_blocks only temporarily, not for ever.
285 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
287 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
288 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
290 * pa.c (emit_move_sequence): Verify operand0 is a hard register
291 before determining its register class.
293 2001-03-01 Bernd Schmidt <bernds@redhat.com>
295 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
296 from reg 4 if current_function_calls_setjmp.
297 (gen_nop_type): New function.
298 (ia64_emit_nops): New function.
299 (ia64_reorg): Call it.
300 (ia64_sched_reorder): Move code that rotates bundles up a bit.
302 * reload1.c (eliminate_regs_in_insn): Restrict the special case
303 code not to try to optimize adds with anything but a REG destination.
305 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
306 (INSN_PRIORITY_KNOWN): New accessor macro.
307 * haifa-sched.c (priority): Use it instead of testing priority against
310 2001-02-28 DJ Delorie <dj@redhat.com>
312 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
313 since that doesn't work the way gcc wants on a generic m68k.
315 2001-02-28 Richard Henderson <rth@redhat.com>
317 * caller-save.c (save_call_clobbered_regs): Fix typo in
318 comparison last change.
320 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
322 * i386.c (pentium4_cost): New.
323 (m_PENT4): New macro.
324 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
325 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
326 x86_integer_DFmode_moves, x86_partial_reg_dependency,
327 x86_memory_mismatch_stall): Add Pentium4
328 (x86_use_q_reg, x86_use_any_reg): Kill.
329 (override_options): Add pentium4.
330 (incdec_operand): Return 0 for pentium4.
331 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
332 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
333 (TARGET_PENTIUM4): Define.
334 (enum processor_type): Add PROCESSOR_PENTIUM4.
335 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
336 * i386.md (attribute "cpu"): Add pentium4.
337 * invoke.texi (march): Add pentium4.
339 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
341 * i386.md (sse_mov?fcc*): New patterns and splitters.
342 * i386.c (ix86_expand_movcc): Work post-reload; recognize
343 the SSE based conditional moves.
345 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
347 * i386.md (attribute mode): Add "TI".
348 (movsf_1): Add pxor support; remove constant propagation splitter.
349 (movdf_integer): Likewise.
350 (movdf_nointeger): Likewise.
351 (movxf constant prop splitter): Handle all modes; update for SSE.
352 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
353 * i386.c (standard_80387_constant_p): Rewrite.
354 (standard_sse_constant_p): New.
355 * i386-protos.h (standard_sse_constant_p): New.
357 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
359 * i386.md (sse_setccsf, sse_setccdf): New.
360 (sse_cmp* patterns): Use '%D' instead of outputtting condition
362 * i386.c (sse_comparison_operator): Accept the supported unordered
363 comparses; be ready for fast_math.
364 (print_operand): Support 'D'.
366 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
368 * jump.c (reversed_comparison_code): Kill.
370 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
372 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
375 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
377 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
378 add missing '%' in constraints.
380 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
382 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
383 for HOST_BITS_PER_WIDE_INT == 32 too.
385 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
387 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
389 (insert_save, insert_restore): New parameter save_mode.
390 (init_caller_save): Update initialization of reg_save_code
391 and reg_restore_code.
392 (save_call_clobbered_regs): Compute save_modes and update calls to
393 reg_save_code and reg_restore_code.
394 (insert_restore): Unsignetize numbers; use save_modes to choose mode
395 of spill; update use of reg_restore_code.
396 (insert_save): Likewise.
397 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
398 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
399 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
401 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
403 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
404 noce_try_store_flag_inc, noce_try_store_flag_mask,
405 noce_try_cmove_arith):
406 Use reversed_comparison_code instead of reverse_comparison and
407 can_reverse_comparison_p.
409 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
411 * jump.c (reversed_comparison_code_parts): Allow reversal of
412 unordered compares in -ffast-math mode; reverse ordered compares
413 for FP even w/o -ffast-math.
415 2001-02-27 Richard Henderson <rth@redhat.com>
417 * print-rtl.c (print_rtx) [i]: Don't print field five on
418 NOTEs other than NOTE_INSN_DELETED_LABEL.
420 2001-02-27 Zack Weinberg <zackw@stanford.edu>
422 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
423 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
425 2001-02-27 Diego Novillo <dnovillo@redhat.com>
427 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
428 even if walk_subtrees is 0.
429 * c-semantics.c (prune_unused_decls): Return a non-null value to
430 stop traversing the tree chain.
432 2001-02-27 DJ Delorie <dj@redhat.com>
434 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
435 register, *then* define it as the new CFA.
437 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
439 * pa.c (override_options): Promote -fpic to -fPIC.
440 (legitimize_pic_address): Simplify due to removal of
441 small PIC as a code generation option.
442 (secondary_reload_class): Similarly.
443 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
444 (PRINT_OPERAND_ADDRESS): Similarly.
445 * pa.md (various patterns): Similarly.
446 (small pic lo_sum pattern): Remove.
448 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
451 * md.texi (min, max): Document
453 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
455 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
456 TARGET_PARTIAL_REG_DEPENDENCY.
457 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
459 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
461 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
463 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
465 * mips.c (mips_make_temp_file): Fix thinko in last change.
467 2001-02-26 Jason Eckhardt <jle@redhat.com>
469 * combine.c (known_cond): Do not reverse the condition when
470 SMAX/UMAX is being considered and the condition is for equality
473 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
475 2001-02-26 Philip Blundell <philb@gnu.org>
477 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
479 * config/arm/linux-elf.h: Remove historical relics related to
480 above configurations.
481 * config/arm/linux-oldld.h: Delete.
482 * config/arm/linux-elf26.h: Delete.
484 2001-02-26 Jason Merrill <jason@redhat.com>
486 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
488 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
489 recognize a tentative definition. Lose obsolete code.
491 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
492 variables unless necessary, either.
494 2001-02-25 Richard Henderson <rth@redhat.com>
496 * ifcvt.c (struct noce_if_info): Add test_bb.
497 (noce_get_alt_condition): New.
498 (noce_try_minmax, noce_try_abs): New.
499 (noce_operand_ok): New.
500 (noce_process_if_block): Use them.
501 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
503 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
505 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
508 2001-02-25 Zack Weinberg <zackw@stanford.edu>
510 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
511 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
513 (mips_asm_file_end): Free temp_filename here.
515 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
517 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
518 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
520 * config/i386/i386.md (movstrsi): Handle FAIL case.
522 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
524 * cppinit.c (builtin_array): Update.
525 (init_builtins): Flag builtins to warn if redefined or
526 undefined. Define __GXX_WEAK as a normal macro.
527 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
528 * cpplib.h (NODE_WARN): New flag.
529 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
530 Handle __STDC__ as a builtin only on Solaris.
531 (warn_of_redefinition): Renamed from check_macro_definition.
532 Reverse sense of test. Always warn if NODE_WARN.
533 (_cpp_create_definition): Use warn_of_redefinition. Flag
534 any macro beginning with "__STDC_" to require a mandatory
535 warning if redefined or undefined.
537 2001-02-24 Zack Weinberg <zackw@stanford.edu>
539 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
540 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
541 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
542 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
543 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
544 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
546 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
547 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
548 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
549 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
550 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
552 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
553 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
556 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
557 Delete now-empty file.
559 * alpha/vms.h: Define NEED_ATEXIT here...
560 * alpha/xm-vms.h: ...not here.
562 * i386/cygwin.h: Don't define PARAMS.
563 * mips/mips.c: Don't prototype mktemp. Don't define
564 P_tmpdir. Use make_temp_file to create temporary files.
565 Don't be clever and delete temporary files early.
566 * config.gcc: Drop references to deleted files. Don't define
568 * gcc.texi: Don't mention USE_PROTOTYPES.
570 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
572 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
573 (ix86_set_move_mem_attrs_1): Likewise.
574 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
575 * config/i386/i386.md (movstrsi): Call it.
577 2001-02-24 Zack Weinberg <zackw@stanford.edu>
579 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
580 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
581 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
582 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
584 (i750a-*-*): Error here if hosting on i750a.
585 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
587 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
588 Remove (empty modulo comments).
590 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
591 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
592 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
593 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
594 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
595 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
597 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
598 Remove reference to winnt.h in comment.
599 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
601 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
603 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
604 used to set another biv.
606 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
608 * tree.h (BLOCK_DEAD): New macro.
609 (struct tree_block): New flag, dead_flag.
610 * print-tree.c (print_node, case 'b'): Print missing fields.
611 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
612 * function.c (identify_blocks): Enable test for misplaced notes.
613 (all_blocks): Skip BLOCK_DEAD blocks.
614 * integrate.c (integrate_decl_tree): Likewise.
616 * errors.c (internal_error, trim_filename): New functions.
617 (fancy_abort): Call internal_error.
618 * errors.h (internal_error, trim_filename): New declarations.
620 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
622 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
624 (EXTRA_CONSTRAINT): Formatting changes.
626 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
628 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
630 2001-02-23 Per Bothner <per@bothner.com>
632 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
633 so they can be called from java/jvspec.c.
634 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
636 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
638 * i386.c (ix86_frame): New structure.
639 (ix86_compute_frame_size): Kill.
640 (ix86_compute_frame_layout): New.
641 (ix86_save_reg): New.
642 (ix86_can_use_return_insn_p): Use frame layout stuff.
643 (ix86_expand_prologue): Likewise.
644 (ix86_expand_epilogue): Likewise.
645 (ix86_initial_elimination_offset): Likewise.
646 (ix86_nsaved_regs): Use ix86_save_reg.
647 (ix86_emit_save_regs): Likewise.
649 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
651 * flow.c (find_sub_basic_blocks): New function.
652 (split_block): Be ready for basic block introduced by CODE_LABEL.
653 (commit_one_edge_insertion): Call find_sub_basic_block.
655 * flow.c (make_edges): Add edge from entry for blocks starting with
656 label having ALTERNATE_NAME
658 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
660 * function.c (epilogue_done): Be ready for first basic block not
661 containing PROLOGUE_END note.
662 (reposition_prologue_and_epilogue_notes): Avoid placing
663 PROLOGUE_END note between BASIC_BLOCK.
665 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
667 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
669 2001-02-21 DJ Delorie <dj@redhat.com>
671 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
672 check for current_function_has_nonlocal_goto from 1999-11-12.
674 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
676 * diagnostic.c (trim_filename): No longer static.
677 * toplev.h (trim_filename): Declare.
678 * rtl.c (rtl_check_failed_bounds): Call internal_error.
679 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
680 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
681 (rtvec_check_failed_bounds): Likewise.
682 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
684 * convert.c (convert_to_integer): Don't do unsigned unless result or
685 both inputs are unsigned.
687 * fold-const.c (fold_convert): Don't call size_int_type_wide if
690 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
692 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
694 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
696 * Makefile.in (resource.o): Add params.h dependence.
697 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
698 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
699 * resource.c: Add dependence on params.h.
700 (current_live_regs): Fix explanatory comment.
701 (find_basic_block): Add new parameter to permit limiting search
703 (mark_target_live_regs): Add new argument to find_basic_block call.
704 (incr_ticks_for_insn): Likewise.
706 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
708 * diagnostic.c (output_to_stream): Rename to
709 output_buffer_to_stream. Loses the stream parameter.
710 (init_output_buffer): Set diagnosic_buffer's stream.
711 (flush_diagnostic_buffer): Adjust.
712 (default_print_error_function): Likewise.
713 (finish_diagnostic): Likewise.
714 (verbatim): Likewise.
716 * diagnostic.h (struct output_buffer): Add `stream' field.
717 (output_buffer_attached_stream): New macro.
719 2001-02-23 Jakub Jelinek <jakub@redhat.com>
721 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
722 check if either operand is divisible by C.
723 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
724 If type is signed, consider negative numbers as well.
726 2001-02-22 Richard Henderson <rth@redhat.com>
728 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
729 reach .text instead of gp-relative relocs.
730 * config/ia64/crtend.asm (.init): Likewise.
732 2001-02-22 Andreas Jaeger <aj@suse.de>
734 * extend.texi (C++ Attributes): Fix typo.
736 2001-02-21 David Mosberger <davidm@hpl.hp.com>
738 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
739 functions, drop current_function_args_info.words test.
740 (ia64_compute_frame_size): Mark syscall_linkage functions as
741 using eight input registers.
743 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
744 Bruce Korb <bkorb@gnu.org>
746 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
747 * fixinc/README: Document how to convert sed substitutions
748 to format style c_fix-es.
749 * fixinc/fixincl.x: regen
751 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
753 * gcc.c: Add comment explaining how to add a command-line option.
754 Add title to specs language comment.
756 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
758 * gcc.c (cc1_options): Add "-param".
759 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
760 (option_map): Likewise.
761 * toplev.c (display_help): Add entry for "--param".
762 (independent_decode_option): Fix typographical error.
764 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
765 Bernd Schmidt <bernds@redhat.com>
766 Jan Hubicka <jh@suse.cz>
768 * i386.c (function_arg_advance): Pass SSE arguments in registers.
769 (function_arg): Likewise.
771 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
773 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
775 2001-02-21 Kazu Hirata <kazu@hxi.com>
777 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
781 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
783 * flow.c (init_propagate_block_info): Canon address and use single_set
784 for killing dead memory stores.
786 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
788 * Makefile.in (reorg.o): Add params.h dependence.
789 * params.def: Fix typographical error in comment.
790 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
791 * params.h: Modify introductory comment.
792 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
793 * reorg.c: Add dependence on params.h.
794 (redundant_insn): Add parameterized throttle for search.
795 (fill_simple_delay_slots): Add a comment explaining a variable.
796 Move conditional out of loop, simplifying code.
797 (fill_eager_delay_slots): Fix typographical error in comment.
799 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
801 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
803 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
804 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
806 2001-02-21 Jason Merrill <jason@redhat.com>
808 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
809 (struct tree_decl): Add uninlinable bitfield.
810 * c-decl.c (duplicate_decls): Set it.
811 * integrate.c (function_cannot_inline_p): Check it.
813 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
814 DW_AT_MIPS_linkage_name to abstract methods.
815 (dwarf2out_abstract_function): Emit class context before calling
816 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
817 (gen_subprogram_die): Remove obsolete code.
818 (gen_member_die): Don't include clones in the member list.
819 (gen_decl_die): Emit abstract info for clone origin.
820 * dwarfout.c (output_type): Don't include clones in the member list.
821 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
822 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
823 DECL_ABSTRACT on a function that already has it set.
825 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
826 (get_subprogram_die): Pass it in.
828 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
830 * flow.c (mark_set_1): Make not_dead unsigned long. For
831 non-pseudos, use it as a bitmask of the hard regs that
834 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
836 * cppfiles.c: Update comments.
837 (_cpp_read_file): Don't check for NULL filenames any more.
838 * cppinit.c (cpp_start_read): Don't do canonicalization of
839 in_fname and out_fname. Use the passed file name exclusively.
840 (_cpp_handle_options): Don't treat "-" as a command line option,
841 but as a normal filename.
842 (_cpp_post_options): Canonicalize in_fname and out_fname.
843 * cppmain.c (printer_init): Don't check out_fname for NULL.
844 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
845 (init_c_lex): Update, and use "" to represent stdin to CPP.
848 2001-02-20 Will Cohen <wcohen@redhat.com>
850 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
851 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
852 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
855 2001-02-20 Stan Shebs <shebs@apple.com>
857 * config/rs6000/rs6000.c (output_cbranch): Output branches
858 on separate lines instead of using ';' to separate.
860 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
862 * cppinit.c (set_lang): Move builtin handling to...
863 (init_builtins): ...here.
864 (_cpp_create_reader): Move call to set_lang.
866 2001-02-20 Mark Mitchell <mark@codesourcery.com>
868 * stmt.c (expand_return): If an attempt is made to return the
869 error_mar_node, treat the return like a return without a value.
871 2001-02-19 Zack Weinberg <zackw@stanford.edu>
873 * sibcall.c (skip_copy_to_return_value): Call
874 identify_call_return_value here, and return orig_insn if it
875 returns zero. Hardret and softret arguments now unnecessary.
876 (call_ends_block_p): Don't call identify_call_return_value here.
878 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
880 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
881 * ggc.h (ggc_mark_if_gcable): Delete prototype.
883 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
885 * pa.c (move_operand): Accept code to load the address of a
886 symbol out of the DLT as a valid move operand.
887 (print_operand, case 'A'): New to handle generating a DLT
888 reference for a LO_SUM expression.
889 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
890 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
892 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
894 * README, cpp.texi, gcc.texi, version.c: Update version number to
896 * cpp.1, gcov.1, gcc.1: Regenerate.
898 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
900 * cppfiles.c (stack_include_file): Generate dependencies
901 here, and manage include_count here too.
902 (PRINT_THIS_DEP): Delete.
903 (_cpp_execute_include): Do not generate dependencies here,
904 apart from the case of a missing header. Do not manage
906 (_cpp_read_file): Leave dependency generation to
909 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
911 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
912 target_cpu_default. Remove dead assignment to
915 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
917 * regclass.c (contains_reg_of_mode): Make global.
918 (init_reg_sets): Remove contains_reg_of_mode; take into account
919 CLASS_MAX_NREGS when looking for the proper mode.
920 (dump_regclass): Dump only classes considered for the pseudo.
921 (regclass): Use contains_reg_of_mode.
923 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
925 * gcc.c (do_spec_1): 'n' for printing notices.
926 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
928 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
930 * reg-stack.c (next_flags_user): Use current_block->end
931 (swap_rtx_condition): Look for next user if flags don't die;
932 give up on CALL_INSNs; use current_block->end.
934 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
936 * sibcall.c (call_ends_block_p): New function.
937 (optimize_sibling_and_tail_recursive_call): Use it.
939 2001-02-18 Kazu Hirata <kazu@hxi.com>
941 * config/h8300/h8300.md: Update copyright.
942 (andsi3): Do not output an extra newline character.
944 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
946 * toplev.c (note_deferral_of_defined_inlined_function): Argument
947 FNDECL may be unused.
949 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
950 follow jumps after first run.
951 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
952 it doesn't change any jumps.
954 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
956 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
957 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
958 (mostlyclean): Corresponding changes.
959 * rtlanal.c (hard-reg-set.h): Include.
960 (rtx_unstable_p): Do not treat the argument pointer specially
961 if it is not a fixed register.
962 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
964 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
966 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
967 against last real insn in basic block.
968 Rework to avoid gotos.
970 * Makefile.in (gcse.o): Now includes ggc.h.
971 * gcse.c: Include ggc.h.
972 (want_to_gcse_p): Verify expression can be in SET as valid insn.
973 (try_replace_reg): Remove warning of uninitialize variable.
974 (process_insert_insn): Call invalid_insn_p to validate insn.
975 * recog.c (insn_invalid_p): Now global.
976 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
977 * recog.h (insn_invalid_p): New declaration.
979 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
981 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
982 assignments from FP constants since 'Y' output code can't handle it.
983 (eligible_for_sibcall_delay): Likewise.
985 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
986 Call fancy_abort directly, passing args.
987 (print_rtl_and_abort): Now a macro, like fancy_abort.
989 * final.c (output_operand_lossage): Use internal_error, not error.
991 2001-02-18 Shane Nay <shane@agendacomputing.com>
993 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
994 structure shift insns.
996 2001-02-18 Mark Mitchell <mark@codesourcery.com>
998 * invoke.texi (-fsquangle): Remove documentation.
999 (-fname-mangling-version): Likewise.
1001 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1003 * optabs.c (expand_abs): Remove reference to
1004 HAVE_contitional_arithmetic.
1005 * combine.c (simplify_set): Likewise.
1007 2001-02-18 Richard Henderson <rth@redhat.com>
1009 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1012 2001-02-18 Richard Henderson <rth@redhat.com>
1014 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1016 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1018 * reload1.c (reload_cse_simplify_set): Fix typo.
1020 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1022 * diagnostic.c (_fatal_insn): Decrement errorcount.
1024 * invoke.texi (-I): Add note avoiding use for system header files.
1026 * rtl.h (add_clobbers): Remove duplicate declaration.
1027 * recog.h (added_clobbers_hard_reg_p): New declaration.
1028 * genemit.c (struct clobber_pat): New field has_hard_reg.
1029 (gen_insn): Record if added clobbers clobber hard reg.
1030 (gen_split): Avoid unused warning if number of operands is 0.
1031 (output_added_clobbers_hard_reg_p): New function.
1034 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1036 * pa.c (hppa_expand_prologue): Simplify code storing return
1037 pointer. For large (>=8k) frames with a post_store, adjust stack
1038 pointer by 8k-64 first rather than by 64. When testing with
1039 VAL_14_BITS_P, always use the actual value rather than the value
1040 negated. Add blockage to prevent scheduling of spills before
1041 stack frame has been created.
1042 (hppa_expand_epilogue): Simplify code loading return pointer.
1043 Allow a slightly larger range for merge_sp_adjust_with_load case.
1044 When testing with VAL_14_BITS_P, always use the actual value.
1046 * pa.c (pa_adjust_insn_length): Check that block move
1047 pattern is a set before looking at operands.
1049 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1051 * fold-const.c (fold_binary_op_with_conditional_arg): New
1052 function, split out from ...
1054 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1055 conditional arms that throw exceptions.
1057 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1060 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1062 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1063 define HAVE_DECL_* to 1 to mask potential backup declarations.
1064 * configure: Regenerated.
1066 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1068 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1070 2001-02-17 Richard Henderson <rth@redhat.com>
1072 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1073 when replacing a memory load with a register.
1075 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1076 Jan Hubicka <jh@suse.cz>
1078 * recog.c (validate_replace_src_1): New.
1079 (validate_replace_src_data): Likewise.
1080 (validate_replace_src): Use note_uses.
1081 * rtl.h (note_uses): Declare.
1082 * rtlanal.c (note_uses): New.
1084 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1086 * reg-stack.c (stack_def): Make field reg unsigned.
1087 (remove_regno_note): Unsignetize parameter.
1089 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1091 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1092 shladd_operand() call.
1094 2001-02-16 Bruce Korb <bkorb@gnu.org>
1095 Rodney Brown <RodneyBrown@mynd.com>
1097 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1098 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1099 machine restrictions
1100 * fixinc/fixincl.x: regen
1102 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1104 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1106 (hash_scan_insn): Clean up calls to hash_scan_set.
1107 (compute_kill_rd): REGNO now unsigned.
1108 (try_replace_reg): Rework to use simplify_replace_rtx.
1109 (cprop_jump, cprop_cc0_jump): Likewise.
1110 (cprop_insn): Call find_reg_equal_equiv_note.
1111 Reflect changes to cprop_jump and cprop_cc0_jump.
1113 * recog.c (validate_replace_src): Replace in operands of
1114 ZERO_EXTRACT in SET_DEST.
1116 * cse.c (new_label_ref): New variable.
1117 (insert): Set it instead of recorded_label_ref.
1118 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1119 CODE_LABEL for this function, and not already in REG_LABEL note.
1121 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1123 * resource.c (mark_referenced_resources): Fix typo in introductory
1125 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1128 2001-02-16 Jason Merrill <jason@redhat.com>
1130 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1132 (gen_subprogram_die): Don't abort on seeing a second definition if
1133 the previous one was abstract. Don't replace an abstract instance
1134 in the lookup table.
1136 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1137 gen_abstract_function.
1138 * dwarf2out.h: Declare it.
1139 * toplev.c (note_outlining_of_inline_function): New fn.
1140 * toplev.h: Declare it.
1141 * integrate.c (output_inline_function): Call it.
1142 * c-decl.c (duplicate_decls): Call it when redefining an extern
1143 inline. Don't inline the new defn.
1145 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1147 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1149 * .gdbinit: Rename to gdbinit.in.
1150 * gdbinit.in: New file,
1151 * configure.in: Generate .gdbinit from gdbinit.in.
1152 * configure: Regenerated.
1153 * Makefile.in (distclean): Always remove .gdbinit.
1155 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1157 * objc/objc-act.c (start_class): Register implemented_classes with
1160 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1162 * cppfiles.c (_cpp_make_system_header): Generate a file
1165 2001-02-15 Jim Meyering <meyering@lucent.com>
1167 * Makefile.in (install-common): Don't depend on installdirs here.
1168 Instead, make each of the lang.install-common targets (e.g.,
1169 c++.install-common in cp/Make-lang.in) depend on it.
1170 (install-driver): Depend on installdirs.
1172 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1174 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1176 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1179 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1181 * invoke.texi (--param): Document.
1183 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1185 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1187 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1189 * i386.md (extendsfdf2_2): Fix constraints.
1191 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1193 * i386.md (fop_df_3 splitter): Fix operand number.
1195 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1197 * invoke.texi (-mreg-alloc): Nuke.
1198 * i386.c (ix86_reg_alloc_order, regs_allocated,
1199 order_regs_for_local_alloc): Nuke.
1200 (override_options): Kill reg_alloc code.
1201 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1202 (REG_ALLOC_ORDER): SSE goes before I387.
1203 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1204 (ix86_reg_alloc_order): Likewise.
1205 * i386-protos.h (ix86_reg_alloc_order): Kill.
1207 2001-02-14 Richard Henderson <rth@redhat.com>
1209 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1211 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1213 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1215 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1217 * i386-protos.h (ix86_memory_move_cost): Move offline.
1218 * i386.c (ix86_register_move_cost): Compute properly cost of
1219 SSE, MMX and i387 instructions.
1220 (*_cost): Add costs of SSE/MMX moves.
1221 (ix86_memory_move_cost): Move offline from ....; Likewise.
1222 * i386.h (MEMORY_MOVE_COST): .... here;
1223 (struct processor costs): Add new fields to represent costs
1226 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1228 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1229 move_cost together with Matt Kraai's fix.
1231 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1233 * Makefile.in (OBJS): Add params.o.
1235 2001-02-14 Richard Henderson <rth@redhat.com>
1236 DJ Delorie <dj@redhat.com>
1238 * jump.c (jump_optimize_1): When we delete a conditional jump
1239 preceeding a non-conditional jump to effectively the same place,
1240 make sure that the combined jump skips any clobber insns between
1243 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1245 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1247 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1249 * Makefile.in (toplev.o): Depend on params.h.
1250 (intergate.o): Likewise.
1251 (params.o): New target.
1252 * flags.h (inline_max_insns): Remove.
1253 * integrate.c: Include params.h.
1254 Use MAX_INLINE_INSNS instead of inline_max_insns.
1255 * params.c: New file.
1256 * params.h: Likewise.
1257 * params.def: Likewise.
1258 * toplev.c: Include params.h.
1259 (lang_independent_params): New variable.
1260 (decode_f_option): Use the param machinery instead of setting
1262 (independent_decode_option): Handle "--param name=value".
1263 (main): Register language-independent parameters.
1265 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1267 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1269 2001-02-14 Richard Henderson <rth@redhat.com>
1271 * regclass.c (init_reg_sets_1): Revert last two changes.
1273 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1275 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1276 (variable_size): Call put_pending_size.
1277 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1278 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1279 sizes list, put newly created SAVE_EXPR there as well.
1281 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1283 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1284 (errata_find_address_regs): load_group has only 2 entries.
1285 (errata_emit_nops): Likewise. shladd is not problematic.
1286 Clear last_group if nop was emitted.
1287 (fixup_errata): load_group has only 2 entries.
1290 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1292 * c-lex.c (lex_number): Only warn traditionally for U suffix
1293 outside system macros.
1294 * cppexp.c (parse_number): Similarly.
1295 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1296 * cppmacro.c (struct cpp_macro): New member node.
1297 (parse_args): Only warn about missing rest args if not
1299 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1300 (cpp_sys_objmacro_p): New.
1301 (_cpp_create_definition): Store the node with the macro defn.
1302 Remember if the macro is defined in a system header.
1304 2001-02-13 DJ Delorie <dj@redhat.com>
1306 * configure.in (check_languages): determine languages to check
1307 * Makefile.in (check-c++): alias for check-g++
1308 (check-f77): alias for check-g77
1309 (CHECK_TARGETS): depend on configured languages
1311 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1313 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1314 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1315 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1316 (sqrtextendsfdf2): Disable for SSE2.
1318 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1320 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1321 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1322 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1323 (sqrtextendsfdf2): Disable for SSE2.
1325 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1327 * i386.md (movsfcc_1): Support integer cmove instruction.
1328 (movdfcc_1): Likewise; new splitter.
1330 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1332 * i386.c (output_fp_compare): Support SSE.
1333 (prepare_fp_compare_args): SSE comparisons always support memory.
1334 * i386.h (TARGET_CMOVE): SSE imply cmove.
1335 * i386.md (cmp?f2): Enable for SSE too.
1336 (cmpfp_i*): Support SSE.
1338 (cmpfp_i_sse_only): New.
1339 (s*, b* fp expanters): Enable for SSE too.
1340 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1343 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1345 * regclass.c (init_reg_sets_1): Silence warning.
1347 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1349 * i386.md (sqrt?f2): Change to expander.
1350 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1352 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1354 * rtlanal.c (find_reg_equal_equiv_note): New function.
1355 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1356 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1357 * rtl.h: Add declarations for above functions.
1359 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1361 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1363 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1364 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1365 * flow.c (mark_regs_live_at_end): Likewise.
1366 (calculate_global_regs_live): Likewise.
1367 * gcse.c (compute_hash_table): Likewise.
1368 (compute_kill_rd): Likewise.
1369 * resource.c (mark_target_live_regs): Likewise.
1370 * rtl.h (INVALID_REGNUM): New macro.
1372 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1374 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1376 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1378 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1381 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1383 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1385 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1386 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1387 (fop_sf_1_sse, fop_df_1_sse): New patterns
1388 (fop_*): Disable float_extend and float patterns for SSE compilation.
1389 * i386.c (output_387_binary_op): Support SSE.
1391 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1393 * i386.md (dummy_extendsfdf2): Support SSE2
1394 (extendsfdf2): Enable if 80387 or SSE2.
1395 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1396 and no MIX_I387_SSE2
1397 (extendsfdf2_1_sse_only): New pattern.
1398 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1400 (truncdfsf2_1): Support SSE.
1401 (truncdfsf2_2): Support SSE.
1402 (truncdfsf2_2_1_sse): New pattern.
1403 (fixtruncsfsi2): Always use SSE if available.
1404 (fix_truncsfsi_sse): New pattern.
1405 (fix_truncdfsi_sse): New pattern.
1406 (floatsis?f2): Support SSE.
1407 (floatsidf2_i387): New pattern.
1408 (floatsidf2_sse): Likewise.
1410 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1412 * configure.in: Use "have_gnat" variable, not "gnat".
1413 * configure: Regenerated.
1415 * config/sparc/sparc.c (function_value): Treat all non-record
1416 aggregate types like used to treat UNION_TYPE.
1418 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1420 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1421 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1423 (MASK_MIX_SSE_I387): New.
1424 (TARGET_SSE): SSE2 imply SSE.
1425 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1426 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1427 (enum reg_class): Add new classes.
1428 (REG_CLASS_NAMES): Likewise.
1429 (REG_CLASS_CONTENTS): Likewise.
1430 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1431 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1432 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1433 (CLASS_MAX_NREGS): Use new macros.
1434 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1435 * i386.md (pushsf, movsf): Support SSE.
1436 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1437 splitters to use ANY_FP_REGNO_P.
1438 (movdf_nointeger, movdf_integer): Likewise.
1440 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1442 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1443 (try_combine): Use it.
1445 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1447 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1448 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1449 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1450 (REGISTER_MOVE_COST): Likewise.
1451 * i386-protos.h (ix86_secondary_memory_needed,
1452 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1453 * i386.c (ix86_secondary_memory_needed,
1454 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1456 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1458 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1459 (HARD_REGNO_MODE_OK): Move offline to ....
1460 * i386.c (ix86_hard_regno_mode_ok) ... here;
1461 refuse all incorrect modes.
1462 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1464 2001-02-13 Richard Henderson <rth@redhat.com>
1466 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1467 entire operator; replicate that and match_dup the operands.
1468 (cmp_ccx_arith_op_set): Likewise.
1469 (cmp_cc_arith_op_not_set): Likewise.
1470 (cmp_ccx_arith_op_not_set): Likewise.
1472 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1474 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1476 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1478 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1479 (TARGET_NO_BITFIELD_WORD): New macro.
1480 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1481 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1483 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1485 * cselib.c: New file, from simplify-rtx.c.
1486 * simplify-rtx.c: Remove cselib parts.
1487 * Makefile.in: Add cselib.o.
1489 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1491 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1492 (setup_incoming_varargs): Remove warning.
1494 * config/rs6000/rs6000.c (validate_condition_mode): When
1495 flag_fast_math, allow floating-point conditionals to be reversed.
1496 (rs6000_generate_compare): When flag_fast_math, don't generate
1497 cror operations for FP conditionals.
1499 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1501 (ASM_SPEC): Likewise.
1502 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1503 (CC1_SPEC): Likewise.
1504 (LINK_TARGET_SPEC): Likewise.
1505 (CPP_ENDIAN_SPEC): Likewise.
1506 * Makefile.in (check-consistency): New target.
1508 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1510 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1511 "return type defaults" warning for functions with return type
1513 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1514 function declarations by default rather than only when pedantic.
1516 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1518 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1521 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1523 * extend.texi (Deprecated): Deprecate new initializer lists.
1525 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1527 * mkdeps.c (deps_add_default_target): Robustify. Add
1528 basename component only.
1529 * cpp.texi (-M): Describe how default target is generated.
1530 * invoke.texi (-M): Likewise.
1532 2001-02-12 Kazu Hirata <kazu@hxi.com>
1534 * toplev.c (push_float_handler): Remove.
1535 (pop_float_handler): Remove.
1536 * toplev.h: Remove prototypes for the above functions.
1538 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1540 * c-common.c (constant_fits_type_p): New function.
1541 (convert_and_check): Use it.
1543 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1545 * Makefile.in (GXX_ABI_FLAG): Don't define.
1546 * configure.in (--enable-new-gxx-abi): Remove option.
1547 * config.in: Regenerated.
1548 * configure: Likewise.
1550 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1552 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1554 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1555 regular basic block, and arrange for all edges into it to switch
1558 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1560 * Makefile.in (distclean): Do not remove .gdbinit.
1562 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1564 * Makefile.in (gcc.o): Fix typos.
1565 (protize.o): Likewise.
1566 (unprotoize.o): Likewise.
1568 2001-02-11 Richard Henderson <rth@redhat.com>
1570 * tree.c (build1): Check for null operand in last change.
1572 2001-02-11 Richard Henderson <rth@redhat.com>
1574 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1575 (fold): Don't assume a constant isn't foldable.
1576 * tree.c (build): Set TREE_CONSTANT for an expression with no
1577 side-effects and constant operands.
1580 2001-02-10 Richard Henderson <rth@redhat.com>
1582 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1584 2001-02-10 Anthony Green <green@redhat.com>
1586 * cpp.texi (Standard Predefined): Add documentation for
1589 * c-common.c (combine_strings): Improve warning message.
1591 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1593 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1595 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1597 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1599 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1602 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1604 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1607 2001-02-09 Nick Clifton <nickc@redhat.com>
1609 * config/arm/arm.md: Change output contraint on post inc
1610 load/store multiple patterns to be a read/write contraint.
1612 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1614 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1615 .o files when using the -M options.
1617 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1618 David Edelsohn <edelsohn@gnu.org>
1620 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1621 handle DImode constants. Use one TOC entry for SImode and smaller
1622 constants, aligned properly.
1624 2001-02-08 Jason Merrill <jason@redhat.com>
1626 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1627 about the SP adjustment for saving the static chain pointer.
1628 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1629 offset when setting a temporary CFA register.
1631 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1633 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1634 powerpc-*-chorusos* .
1635 * config/rs6000/chorus.h : New file.
1636 * config/i386/chorus.h : New file.
1637 * config/sparc/chorus.h : New file.
1638 * config/sparc/t-chorus-elf : New file.
1640 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1642 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1643 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1644 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1645 (__WCHAR_TYPE__): Correct macro name.
1647 2001-02-08 Richard Henderson <rth@redhat.com>
1649 * config/i386/i386.c (ix86_frame_pointer_required): New.
1650 (ix86_setup_frame_addresses): New.
1651 (struct machine_funciton): Add accesses_prev_frame.
1652 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1653 ix86_frame_pointer_required.
1654 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1655 (SETUP_FRAME_ADDRESSES): New.
1656 * config/i386/i386-protos.h: Update.
1657 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1658 from FRAME_POINTER_REQUIRED.
1659 * config/i386/svr3gas.h: Likewise.
1660 * config/i386/sysv3.h: Likewise.
1661 * config/i386/v3gas.h: Likewise.
1663 2001-02-08 Richard Henderson <rth@redhat.com>
1665 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1666 calculation of the number of integer registers required.
1667 (function_arg_record_value): Likewise.
1669 2001-02-08 Jason Merrill <jason@redhat.com>
1671 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1672 two. Print file and line with "confused" message.
1674 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1676 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1678 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1680 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1682 * final.c (cleanup_subreg_operands): The address of a MEM can
1685 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1688 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1690 * gcc.texi (Incompatibilities): Update documentation of
1691 preprocessing numbers.
1693 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1695 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1697 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1699 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1701 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1702 * gcc.c (struct compiler): Add cpp_spec field.
1703 (input_file_compiler): New variable.
1704 (do_spec_1): Allow a particular compiler to handle `%C'
1706 (main): Store the current compiler in input_file_compiler.
1707 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1709 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1711 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1712 * cppinit.c (cpp_create_reader): Initialize them.
1713 (append_include_chain): cxx_aware arg might be unused.
1714 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1715 keywords and give them their phase 7 meaning. Pedwarn about
1716 this unless '__bool_true_false_are_defined' is defined.
1718 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1720 * lcm.c (optimize_mode_switching): Emit mode_set before the
1721 JUMP_INSN of an abnormal edge.
1723 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1725 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1726 a scheduling barrier at the end.
1728 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1730 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1732 * config/sh/sh.md (reload_outsf): Removed.
1733 (movsf_ie): Introduce constraints for FPUL loads and stores.
1734 (reload_insf): Broaden the output constraint.
1736 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1738 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1739 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1741 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1743 * final.c: Revert my previous changes.
1744 * output.h: Make profile_label_no extern.
1745 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1746 for generating label.
1748 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1750 * config/i386/djgpp.h: Add comments about standard paths.
1751 (MD_EXEC_PREFIX): Undefine before defining.
1752 (MD_STARTFILE_PREFIX): New.
1754 2001-01-30 Bruce Korb <bkorb@gnu.org>
1756 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1757 (load_file): do not rely on load_file_data() to close file pointer
1758 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1759 fixinc/inclhack.def(irix_limits_const): add test_text
1761 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1763 * cppexp.c (parse_defined): Improve diagnostics for invalid
1766 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1768 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1770 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1772 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1773 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1774 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1775 (rs6000_output_symbol_ref): New function.
1776 (output_toc): Use VTABLE_NAME_P.
1778 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1780 * print-tree.c (print_node, case PARM_DECL):
1781 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1783 * stor-layout.c (reference_types_internal): New variable.
1784 (internal_reference_types): New function.
1785 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1786 * tree.h (internal_reference_types): New declaration.
1788 * cse.c (find_best_addr): Fix typo in computing cost.
1790 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1792 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1793 and this is the sum of a pointer and a constant, we know the result
1795 (num_sign_bit_copies, case PLUS): Likewise.
1796 * explow.c (convert_memory_address): Remove opposite SUBREG.
1797 * function.c (instantiate_new_reg): New function (from common code).
1798 (instantiate_virtual_regs_1): Call it.
1799 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1800 if pointers sign- or zero-extend.
1801 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1802 If pointers extend unsigned, use inside of SUBREG.
1803 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1805 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1807 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1808 subdir of gcc_gxx_include_dir.
1809 (gcc_gxx_target_include_dir): Remove.
1811 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1813 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1814 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1815 a high-level description.
1817 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1819 * final.c: Move the declaration of profile_label_no to ...
1820 * output.h: ... here.
1821 * function.c (expand_function_start): Call PROFILE_HOOK.
1822 * config/rs6000/aix.h: Define PROFILE_HOOK.
1823 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1824 * config/rs6000/rs6000.c (output_profile_hook): Define.
1825 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1826 output_profile_hook.
1827 tm.texi : Explain new macro PROFILE_HOOK.
1829 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1831 * extend.texi (Extended Asm): Do not say that semicolon is always
1832 a valid line-breaking character for GNU assemblers. Use
1833 newline-tab as the most commonly supported syntax. Use
1834 newline-tab rather than semicolon in multi-insn examples.
1836 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1838 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1840 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1841 David Edelsohn <edelsohn@gnu.org>
1843 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1844 code for AIX, even without flag_pic.
1846 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1848 * c-typeck.c (common_type): push and pop binding level around
1849 calling common_type on function parameters.
1851 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1853 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1855 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1857 * config/mips/mips.c (override_options): Fix typo in last change.
1858 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1859 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1861 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1863 * invoke.texi (-fdump-class-layout): Document.
1864 (-fdump-translation-unit): Use `=' as filename separator.
1866 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1868 * Makefile.in (s-mlib): Don't build multilibs if
1870 (DRIVER_DEFINES): Adjust accordingly.
1872 (protoize.o): Likewise.
1873 (unprotoize.o): Likewise.
1874 * configure.in: Recognize --enable-multilib.
1876 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1878 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1880 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1881 * configure.in: Remove --enable-libstdcxx_v3 support.
1882 * configure: Regenerated.
1884 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1886 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1887 Call abort instead of fatal.
1888 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1889 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1890 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1891 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1892 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1893 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1895 * diagnostic.h (set_internal_error_function): Renamed.
1896 * toplev.h (internal_error): Renamed from fatal.
1897 (pfatal_with_name): Deleted.
1898 (fatal_io_error): Now has printf-style arguments.
1899 * diagnostic.c (pfatal_with_name): Deleted.
1900 (fatal_io_error): Rework to have args in printf-style.
1901 (set_internal_error_function): Renamed from set_fatal_function.
1902 (internal_error): Renamed from fatal.
1903 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1904 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1905 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1906 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1907 * flow.c (verify_flow_info): Likewise.
1908 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1909 * config/mips/mips.c (save_restore_insns): Likewise.
1911 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1912 * flow.c (verify_flow_info): Likewise.
1913 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1914 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1915 (avr_normalize_condition): Likewise.
1916 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1917 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1918 (limit_reload_class, double_reg_to_memory): Likewise.
1919 (print_operand_address, emit_1600_code_shift): Likewise.
1920 (gen_tst_reg, gen_compare_reg): Likewise.
1921 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1922 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1924 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1926 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1927 * objc/objc-act.c (build_ivar_chain): Likewise.
1928 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1930 * graph.c (clean_graph_dump_file): Likewise.
1931 * profile.c (init_branch_prob): Likewise.
1932 * objc/objc-act.c (objc_init): Likewise.
1934 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1935 * config/avr/avr.c (avr_override_options): Likewise.
1936 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1937 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1938 * config/h8300/h8300.c (h8300_init_once): Likewise.
1939 * config/mips/mips.c (override_options): Likewise.
1940 * config/i386/i386.c (override_options): Likewise, rework.
1941 * config/m68k/m68k.c (override_options): Likewise.
1943 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1945 * config/mips/mips.c (print_operand): Likewise.
1946 * hash.c (hash_allocate): Don't check for failure returns from
1947 obstack functions that can't fail.
1948 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1949 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1950 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1951 (get_object_reference): Likewise.
1953 2001-02-04 Nick Clifton <nickc@redhat.com>
1955 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1956 StrongARM1110, 10TDMI, and 1020T.
1958 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1960 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1962 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1964 * config/sh/sh.md (movdf load split): Pass register number to
1965 FP_OR_XD_REGISTER_P.
1967 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1969 * cppinit.c (BC): New macro.
1970 (builtin_array): Add __GXX_WEAK__.
1971 * cpplib.h (builtin_type): Add BT_WEAK.
1972 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1973 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1974 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1976 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1978 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1980 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1982 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1983 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1985 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1987 * cpphash.h: Rename ALIGN _ALIGN.
1988 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1990 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1992 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1993 compilation environment.
1994 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1995 control over location of cygwin includes and libs.
1997 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1999 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2001 2001-02-02 lars brinkhoff <lars@nocrew.org>
2003 * md.texi (Standard Names): remove reference to spur.md.
2005 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2007 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2008 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2009 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2010 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2011 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2013 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2015 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2016 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2017 number before reload.
2018 (c4x_adjust_cost): Return zero before reload.
2019 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2020 split before reload.
2022 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2024 * c4x.c (c4x_hard_regno_rename_ok): New.
2025 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2026 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2028 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2030 * diagnostic.h: Add missing "extern" in all declarations.
2032 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2034 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2035 as for gcc_gxx_include_dir.
2037 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2039 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2041 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2043 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2044 label before alignment to be used as the braf base address.
2045 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2047 (casesi_jump_2): Require at least TARGET_SH2.
2049 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2050 truncation to 32-bit doubles on -m3e and -m4-single-only.
2052 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2054 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2055 the default when building a shared object.
2056 (init_spec): Use it.
2057 * testsuite/lib/g++.exp: Include the directory where libgcc
2058 is located to the LD_LIBRARY_PATH list.
2059 * invoke.texi (-shared-libgcc): Document the cases in which
2060 GCC defaults to using the shared libgcc.
2062 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2064 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2065 unsigned is wide enough.
2067 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2068 (si_to_float): Likewise.
2069 (float_to_si, float_to_usi): Use BITS_PER_SI.
2071 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2073 * dwarf2out.c: Added explanation of abbreviations.
2074 (def_cfa_1): Added comments listing DWARF2 instructions.
2075 (cfa_temp_reg): Removed in favor of cfa_temp.
2076 (cfa_temp_value): Removed in favor of cfa_temp.
2077 (cfa_temp): New global variable.
2078 (dwarf2out_frame_debug_expr): Added extensive introductory
2079 comments explaining the function's transformations. Revised to
2080 use cfa_temp. Added some rtx checking. Generalize IOR case.
2081 (dwarf2out_frame_debug): Revised to use cfa_temp.
2082 (output_aranges): Cast as "unsigned" to avoid warning.
2083 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2084 explain which instructions must be marked.
2086 2001-02-01 Richard Henderson <rth@redhat.com>
2088 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2091 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2093 * config/sh/crt1.asm (main_k): Modified so that start calls
2094 ___setup_argv_and_call_main.
2096 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2098 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2099 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2100 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2101 * cppmacro.c (builtin_macro): Set builtin flags here.
2102 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2103 (replace_args): Clarify intent.
2104 (cpp_get_token): Macro expansion tokens get the saved flags.
2106 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2109 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2111 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2114 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2116 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2117 returns Pmode pseudo, but we need ptr_mode.
2118 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2119 Remove bogus conversions; use HOST_WIDE_INT for size.
2120 Don't use TARGET if wrong mode.
2122 * config/i386/i386.c (ix86_compute_frame_size): Allow
2123 stack_alignment_needed to be non-default even if size is zero.
2125 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2127 * (hppa_init_pic_save): Emit the pic offset table
2128 reg save after last_parm_insn.
2129 * pa.c (hppa_init_pic_save): New function.
2130 * pa.h (hppa_init_pic_save): Declare.
2131 * pa.md (call, call_value, sibcall, sibcall_value): Use
2132 the above instead of duplicated code.
2134 * pa.c (hppa_encode_label): Correct size of alloca buffer
2135 so we don't overrun it. Correct leading `*' case.
2136 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2137 need to handle `*@'.
2138 (FUNCTION_NAME_P): Likewise.
2140 2001-01-31 Richard Henderson <rth@redhat.com>
2142 * config.gcc (alpha-osf5): Use float-i128.h.
2144 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2145 * config/float-i32.h: Likewise.
2146 * config/float-i64.h: Likewise.
2147 * config/float-sh.h: Likewise.
2148 * config/float-sparc.h: Likewise.
2150 2001-01-31 DJ Delorie <dj@redhat.com>
2152 * expmed.c (extract_bit_field): allow non-integral modes if we
2153 want to extract a whole register from itself.
2155 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2157 * c-typeck.c (set_init_index): If first is equal to last, assume as
2158 if it was not a range at all.
2160 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2162 * config/fp-bit.c: Include tm.h.
2163 (float_to_si): Don't assume SImode is 32-bits wide.
2164 (float_to_usi): Likewise.
2166 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2168 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2170 (typename): Call pending_xref_error after parsing typed_typespecs.
2171 * c-decl.c (lookup_tag): Give error immediately rather than
2172 leaving it pending if the tag of the wrong type is in the same
2174 (xref_tag): Don't pedwarn for forward declarations of enum types
2176 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2179 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2181 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2183 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2185 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2186 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2188 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2190 * cpphash.h (struct cpp_reader): New saved_flags.
2191 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2192 to avoid a paste after a pasted token.
2194 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2196 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2197 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2198 Wtype_MIN instead of LONG_MIN.
2200 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2202 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2204 * fixinc/fixincl.x: Regenerated.
2205 * fixinc/inclhack.def (irix_limits_const): New definition to
2206 convert "const" to "__const" in limits.h.
2208 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2210 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2212 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2214 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2215 when register dies in the insn.
2217 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2219 * diagnostic.c (fatal): Fix word wrap.
2221 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2223 * combine.c (try_combine): Fix SUBREG setting for
2224 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2226 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2228 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2231 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2233 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2235 * toplev.c (decode_W_option): Update warn_larger_than
2236 unconditionally for each processed switch.
2238 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2240 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2242 (hppa_expand_prologue): Delete code to save pic offset table register
2243 in the function prologue.
2244 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2245 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2246 table register at the beginning of the function after the prologue.
2248 2001-01-29 lars brinkhoff <lars@nocrew.org>
2250 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2252 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2253 Jeff Law <law@redhat.com>
2255 * pa.md (return): Revise comment for trivial return.
2256 (return_internal): Non-trivial return pattern for non-PIC code.
2257 (return_internal_pic): Non-trivial return pattern for PIC code.
2258 It uses the PIC register to ensure it is restored after
2260 (epilogue): Generate appropriate return for PIC and non-PIC code.
2262 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2264 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2266 2001-01-29 DJ Delorie <dj@redhat.com>
2268 * combine.c (if_then_else_cond): Pass the correct mode to
2269 operand_subword() for constants.
2271 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2273 * config/i386/cygwin.h: Add w32api to include search. Search different
2274 directories in a cross-build environment.
2276 2001-11-29 Tim Josling <tej@melbpc.org.au>
2278 * tree.h (TYPE_STUB_DECL): Add documentation.
2280 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2282 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2283 (sdbout_field_types): Likwise. Fix use of host_integerp.
2285 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2287 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2290 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2292 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2293 to use flag_gnu_linker.
2295 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2297 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2298 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2300 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2302 * tree.c, tree.h (build_parse_node): Remove; was identical to
2304 * c-lang.c (start_cdtor), objc/objc-act.c
2305 (build_module_descriptor): Use build_nt instead of
2308 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2310 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2311 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2312 not have any upper bits set.
2314 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2316 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2318 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2320 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2322 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2324 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2325 (integer_minus_one_node): Define.
2327 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2329 * Makefile.in (bootstrap2-lean): Fix typo.
2331 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2333 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2334 : Don't set fe_value.
2335 * cpplib.h (AVOID_LPASTE): New flag.
2336 (struct cpp_hashnode): Remove fe_value.
2337 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2338 * cppmacro.c (builtin_macro): Don't set flags here.
2339 (replace_args): Set AVOID_LPASTE flag on first token of an
2340 argument, and the token following it.
2341 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2342 macro expansion, and on the token following it. Do it for
2344 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2346 2001-01-27 Richard Henderson <rth@redhat.com>
2348 * config/alpha/t-ieee: Remove multilibbing.
2349 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2351 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2353 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2355 * Makefile.in: Remove all dependencies on defaults.h.
2356 * builtins.c: Don't include defaults.h.
2357 * c-common.c: Likewise.
2358 * c-decl.c: Likewise.
2359 * c-pragma.c: Likewise.
2360 * c-typeck.c: Likewise.
2361 * combine.c: Likewise.
2363 * frame-ia64.c: Likewise.
2364 * cppexp.c: Likewise.
2365 * crtstuff.c: Likewise.
2366 * dbxout.c: Likewise.
2367 * dwarf2out.c: Likewise.
2368 * dwarfout.c: Likewise.
2369 * emit-rtl.c: Likewise.
2370 * except.c: Likewise.
2372 * final.c: Likewise.
2373 * frame-dwarf2.c: Likewise.
2374 * libgcc2.c: Likewise.
2375 * optabs.c: Likewise.
2376 * profile.c: Likewise.
2377 * sdbout.c: Likewise.
2378 * toplev.c: Likewise.
2379 * tradcif.y: Likewise.
2381 * varasm.c: Likewise.
2383 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2385 * builtins.c (expand_builtin_fputs): Use size_one_node when
2386 transforming into fwrite.
2388 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2390 * extend.texi (Attribute Syntax): New section.
2392 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2394 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2395 they didn't need fixing.
2397 2001-01-27 Janis Johnson <janis@us.ibm.com>
2399 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2401 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2402 to remove macro definitions that are duplicated from elfos.h.
2404 2001-01-27 Richard Henderson <rth@redhat.com>
2406 * config/i386/sco5gas.h: Move ...
2407 * config/usegas.h: ... here.
2408 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2410 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2412 * c-typeck.c (struct constructor_stack): Add range_stack member.
2413 (really_start_incremental_init): Clear it.
2414 (push_init_level): Save constructor_range_stack and clear it if
2415 pushing explicit braces.
2416 (pop_init_level): abort if constructor_range_stack is non-zero at
2417 explicit closing brace. Restore saved constructor_range_stack if
2420 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2422 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2423 into register was forced into memory.
2425 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2427 * Makefile.in: Remove uses of + before $(MAKE).
2429 2001-01-26 Richard Henderson <rth@redhat.com>
2431 * stmt.c (cost_table): Remove.
2432 (COST_TABLE, cost_table_initialized): New.
2433 (estimate_case_costs): Use the later instead of the former.
2434 (balance_case_nodes): Likewise.
2436 2001-01-26 Richard Henderson <rth@redhat.com>
2438 * alias.c (objects_must_conflict_p): Read-only slots may not
2439 conflict despite having the same type.
2441 2001-01-27 Michael Hayes <mhayes@redhat.com>
2443 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2445 (check_ext_dependant_givs): Initialise u_start_val and
2447 (load_mems): Make last_max_reg unsigned.
2448 (try_swap_copy_prop): Use INSN_P and initialise set.
2450 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2452 * README.AVR : Removed.
2454 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2456 * pa-64.h (text_section): Remove declaration.
2458 * pa.md (return_internal): Remove mode on PIC register use.
2460 2001-01-25 lars brinkhoff <lars@nocrew.org>
2462 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2463 ASM_CLOSE_PAREN): fix typos.
2465 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2467 * acconfig.h: Define `const' to the empty string if neither
2468 __STDC__ nor __cplusplus is defined.
2469 * config.in: Regenerated.
2471 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2473 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2474 * collect2.c (main): Delete importf. Add ".obj" file extension.
2475 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2476 (aix_std_libs): Add additional AIX libraries to skip.
2477 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2478 * config/rs6000/aix51.h: New file.
2480 2001-01-25 Michael Hayes <mhayes@redhat.com>
2482 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2483 (loop_insn_emit_before): No longer static.
2484 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2485 (loop_givs_rescan, load_mems): Likewise.
2486 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2487 (maybe_eliminate_biv_1):
2488 (move_movables): Replace emit_call_insn_before with
2489 loop_call_insn_hoist.
2490 * loop.h (loop_insn_emit_before): Add.
2491 * unroll.c (copy_loop_body): Replace emit_insn_before with
2492 loop_insn_emit_before.
2494 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2496 * diagnostic.c (fatal): Request preprocessed source.
2498 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2500 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2501 olddecl has argument types and newdecl has none, use the argument
2504 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2506 * dwarf2out.c (prefix_of): New function. Determine longest common
2507 prefix of the two arguments. The units are whole path components.
2508 (output_file_names): When adding a new directory find the one entry
2509 with the longest common prefix already in the list. Artificially
2510 generate entry if there is none for this prefix.
2511 Fix test to check whether the zeroth directory entry is used.
2513 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2515 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2516 Changed all callers. Take it into account when deciding if a
2517 previously loaded value matches.
2519 2001-01-24 Richard Henderson <rth@redhat.com>
2521 * reload.c (find_reloads_subreg_address): Fail the substitution
2522 if the resulting address is insufficiently aligned.
2524 2001-01-24 DJ Delorie <dj@redhat.com>
2526 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2527 check the original operand's mode also.
2528 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2530 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2532 * c-parse.in (cast_expr): Move compound literals from here ...
2533 (primary): ... to here. Use standard terminology "compound
2534 literal" instead of "constructor expression".
2536 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2538 * gcc.1, cpp.1: Regenerate.
2540 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2542 * calls.c (emit_library_call_value_1): Memory slot for
2543 pass-by-reference argument should have the mode of the argument,
2544 not of the pointer to it.
2546 2001-01-24 Tom Tromey <tromey@redhat.com>
2548 * gcc.texi (G++ and GCC): Mention gcj manual.
2549 (Standards): Link to section of manual mentioning gcj/Java
2552 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2554 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2555 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2556 * tradcpp.c (main): Add -imacros or -include'd dependencies
2558 * cpp.texi (-M, -MM): Document -M -include behaviour.
2560 2001-01-24 Roger Collins <roger@ProProject.com>
2562 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2564 2001-01-24 Will Cohen <wcohen@redhat.com>
2566 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2567 whether registers are 32 bits or 64 bits in size.
2569 2001-01-24 Ben Elliston <bje@redhat.com>
2571 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2573 2001-01-24 Richard Henderson <rth@redhat.com>
2575 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2576 (builtin_longjmp): Use it instead of emit_indirect_jump.
2578 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2580 * bb-reorder.c (make_reorder_chain_1): Handle case where
2581 jump edge goes to the same block as the fallthru edge.
2583 2001-01-23 Jim Wilson <wilson@redhat.com>
2585 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2586 * frame.h (__ia64_personality_v1): Add prototype.
2587 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2588 prototype form. Add void * cast to first argument to personality
2590 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2591 (asctoe113): Likewise.
2592 * config/ia64/frame-ia64.c: Include eh-common.h.
2593 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2595 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2597 (itanium_split_issue): Add prototype.
2598 (gen_nop_type): Ifdef out.
2599 (find_best_packet): Initialize best_packet.
2600 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2602 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2603 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2604 (flushrs): Add explicit stop bit at end.
2605 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2608 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2610 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2612 * libgcc2.c (__terminate_func): Make variable static.
2613 (__terminate_set_func): New function to set __terminate_func.
2614 * libgcc2.h (__terminate_func_ptr): New typedef.
2615 (__terminate_set_func): New function.
2617 2001-01-23 Richard Henderson <rth@redhat.com>
2619 * flow.c (init_propagate_block_info): Don't consider unchanging
2620 memories for dead frame store elimination.
2622 2001-01-23 Richard Henderson <rth@redhat.com>
2624 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2625 * defaults.h: ... here.
2627 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2629 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2631 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2633 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2635 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2637 * rs6000.h (rs6000_return_addr): Move prototype from here...
2638 * rs6000-protos.h (rs6000_return_addr): ...to here.
2639 (rs6000_init_expanders): Delete prototype.
2641 2001-01-23 Nick Clifton <nickc@redhat.com>
2643 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2644 (Spec Files): Document %B and %j and %. and %v3 and %M and
2645 %{S*&T} spec switches.
2647 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2649 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2651 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2652 Neil Booth <neil@daikokuya.demon.co.uk>
2654 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2655 Have -Werror make pedantic warnings errors, like the
2658 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2660 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2662 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2664 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2665 * integrate.c (expand_inline_function): Initialize them.
2666 (subst_constants): If changing COMPARE so that both its arguments
2667 will be VOIDmode and the comparison mode will be lost, note
2668 compare_mode. Use the recorded compare_mode to optimize
2671 2001-01-23 Jason Merrill <jason@redhat.com>
2673 * dwarf2out.c (new_die): Use xcalloc.
2674 (output_die): Abort rather than emit a local reference to offset 0.
2676 2001-01-17 Andrew Haley <aph@redhat.com>
2678 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2679 of a saved register; return NULL instead.
2680 (copy_reg): Take a pointer to a source register rather than a
2682 (next_stack_level): Remember the address in the stack frame of all
2684 Use the saved register pointer array as the source of the CFA.
2685 (throw_helper): Rewrite. Unwind once rather than twice and keep
2686 track of saved registers as we go.
2688 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2690 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2691 * c4x.c (c4x_legitimize_reload_address): Remove.
2692 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2693 reload address for ldp(k) insn.
2695 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2697 * pa.md (return_internal): Add a USE of the PIC register to ensure
2698 it is restored after each call.
2699 (return expander): Corresponding changes.
2701 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2703 * rs6000.h (INIT_EXPANDERS): Delete.
2704 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2705 * rs6000.c (rs6000_override_options): Call *_machine_status from
2707 (rs6000_init_expanders): ...instead of here. Delete.
2708 (rs6000_mark_machine_status): New function.
2709 (rs6000_init_machine_status): Use xcalloc.
2710 (rs6000_return_addr): Generate RTX for the return address.
2711 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2712 (rs6000_stack_info): Use it.
2714 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2716 * gthr-win32.h: Include errno.h to get a declaration for
2717 EINVAL and _mingw.h if the target is mingw32.
2719 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2721 * cpp.texi: Correct typos.
2723 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2725 * explow.c (probe_stack_range): Ensure value passed to
2726 stack_check_libfunc is ptr_mode, not Pmode.
2728 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2730 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2731 case, don't use operand_subword to calculate a SUBREG that is
2734 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2736 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2738 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2739 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2740 valid. If not replace it by equivalent insns.
2742 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2744 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2745 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2746 (c4x_U_constraint, symbolic_address_operand): Likewise.
2747 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2749 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2750 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2751 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2752 anulling slot because of silicon bug.
2753 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2755 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2757 * cppexp.c (parse_charconst): Change `mask' type to agree
2760 2001-01-21 Richard Henderson <rth@redhat.com>
2762 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2763 pic_label_name in a linkonce section.
2765 2001-01-17 Philipp Thomas <pthomas@suse.de>
2767 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2769 * configure: Regenerate.
2771 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2773 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2774 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2776 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2778 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2779 If REVERSE nonzero then condition code in X must be reversed.
2780 (encode_section_info): Optimise if/else.
2781 (avr_function_value): Fix formatting.
2783 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2784 (difficult_branch): Likewise.
2785 (rvbranch): Likewise.
2786 (difficult_rvbranch): Likewise.
2788 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2790 * config/avr/libgcc.S: Fix comment.
2792 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2794 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2796 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2798 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2800 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2802 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2803 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2804 * configure, config.in: Regenerate.
2805 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2806 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2807 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2808 (doprint.o): New rule.
2810 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2812 * c-typeck.c (digest_init): Handle boolean types as scalars.
2814 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2816 * stmt.c (expand_return): Don't return anything if size is zero.
2817 Delete redundant assignment to BYTES.
2818 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2820 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2822 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2823 the same as the default library function names.
2824 * config/avr/avr.md: Document special characters after '%'.
2825 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2826 knowing which of the call-used registers are really clobbered.
2827 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2828 New. Both quotient and remainder from one libgcc.S call.
2829 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2830 clobber as few registers as possible.
2831 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2833 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2835 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2836 context of the top of the stack.
2838 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2840 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2841 (fixup_var_refs_insns): ...here.
2843 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2845 * function.c (fixup_var_refs_insns): Break up into
2846 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2847 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2848 [loop over hash table entries].
2849 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2850 fixup_var_refs_insns_with_hash, to match above changes.
2852 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2854 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2855 (libgcc.a): Likewise.
2856 (stmp-multilib): Likewise.
2857 (STAGE2_FLAGS_TO_PASS): Likewise.
2859 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2861 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2862 temporary if no_new_pseudos.
2864 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2866 * cppinternals.texi: Update.
2868 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2870 * arm.c (arm_init_builtins): Re-enable builtins.
2872 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2874 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2875 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2876 element to be null, and always expect an EXPR_LIST.
2877 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2878 * sched-deps.c (sched_analyze_1): Likewise.
2879 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2881 * regclass.c (max_set_parallel): New variable.
2882 (reg_scan): Take it into account in computation of max_parallel.
2883 (reg_scan_mark_refs, case SET): Compute it.
2885 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2887 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2888 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2890 2001-01-19 Jason Merrill <jason@redhat.com>
2892 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2893 for the abstract instance of an inline function.
2895 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2896 J"orn Rennecke <amylaar@redhat.com>
2898 * reload1.c (move2add_note_store): Treat all registers directly or
2899 indirectly derived from a base register as members of the same set
2901 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2902 of base register into account.
2904 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2906 * alias.c (find_base_value): Recognize TRUNCATE.
2907 (record_set): In PLUS case, invalidate if other summand is also a
2910 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2912 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2913 entry to be EXPR_LIST.
2914 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2915 be an EXPR_LIST (but not null, which other code doesn't allow).
2916 (note_stores): Properly handle PARALLEL in SET.
2917 Recursively call for top-level PARALLEL.
2918 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2919 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2921 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2923 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2925 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2926 not pfile->skipping (== 0).
2928 2001-01-17 Nick Clifton <nickc@redhat.com>
2930 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2933 2001-01-17 Jim Wilson <wilson@redhat.com>
2935 * invoke.texi (IA-64 options): Improve.
2937 2001-01-17 Tom Tromey <tromey@redhat.com>
2939 * invoke.texi (Optimize Options): Use `{}' to around @samp
2942 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2944 * invoke.texi (-fno-guess-branch-probability): New option.
2946 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2948 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2949 case of making new double-word constant.
2950 Revert last change: instead just test i3_subst_into_i2.
2952 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2954 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2955 Use q constraints instead of r.
2957 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2959 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2960 (machine_function): Define.
2961 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2962 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2963 pa_free_machine_status): New functions.
2964 (override_options): Set {init,mark,free}_machine_status to above.
2965 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2966 PIC_OFFSET_TABLE_REGNUM_SAVED.
2967 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2968 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2969 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2970 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2971 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2973 2001-01-15 DJ Delorie <dj@redhat.com>
2975 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2979 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2981 * flow.c (propagate_on_insn): Make trying to delete a prologue
2982 or epilogue insn an ICE, not a warning. Allow doing this if
2983 the current function returns with stack pointer depressed.
2985 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2986 I3 having more than one SET.
2988 2001-01-16 Jim Wilson <wilson@redhat.com>
2990 * invoke.texi: Document IA-64 options.
2992 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2993 (fixup_errata): Delete TARGET_A_STEP use.
2994 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2995 (TARGET_SWITCHES): Delete -ma-step option.
2996 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2997 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2998 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2999 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3000 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3001 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3003 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3004 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3005 cmovsi_internal): Delete ! TARGET_A_STEP check.
3007 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3009 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3010 possibility to report bugs via postal mail. Change a URL and
3011 merge in a nearly duplicate statement...
3012 (Bug Reporting): ...from here.
3013 (Service): Refer to the Bug Reporting section instead of
3015 (Contributing): Remove trivial explanations concerning snapshots.
3017 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3019 * cppmain.c (general_init): Don't use ANSI prototype.
3021 2001-01-16 Tom Tromey <tromey@redhat.com>
3023 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3025 2001-01-16 Richard Henderson <rth@redhat.com>
3027 * config/i386/i386.h: Fix comment typo.
3028 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3029 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3031 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3033 * gcc.c: Revert previous -fsyntax-only-related change; move
3036 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3038 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3039 inmode after checking GET_CODE (op).
3041 2001-01-16 Richard Henderson <rth@redhat.com>
3043 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3044 (MAX_MEM_SET_LIST_LEN): New.
3045 (propagate_one_insn): Update mem_set_list_len.
3046 (invalidate_mems_from_autoinc): Likewise.
3047 (invalidate_mems_from_set): Likewise.
3048 (mark_used_regs): Likewise.
3049 (init_propagate_block_info): Likewise. Stop collecting memories
3050 when we reach MAX_MEM_SET_LIST_LEN.
3051 (mark_set_1): Likewise.
3053 2001-01-16 Richard Henderson <rth@redhat.com>
3055 * unroll.c (precondition_loop_p): Fail if no iteration
3058 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3060 * gcc.c: When -fsyntax-only is given, do not complain about
3063 2001-01-15 Richard Henderson <rth@redhat.com>
3065 * config/i386/i386.c (asm_output_function_prefix): Remove.
3066 (ix86_asm_file_end): New.
3067 (load_pic_register): Generate pic_label_name into a
3068 staticly allocated buffer.
3069 * config/i386/i386-protos.h: Update.
3070 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3071 (ASM_FILE_END): New.
3072 * config/i386/i386afe.h: New file.
3073 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3074 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3075 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3076 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3077 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3078 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3079 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3081 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3083 * Makefile.in (install-man): Remove explicit dependency on
3086 * configure.in, configure: Revert previous patch requiring perl
3089 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3091 * toplev.c (flag_guess_branch_prob): New.
3092 (f_options): Add guess-branch-probability option.
3093 (rest_of_decl_compilation): Only estimate branch probability if
3095 (main): set flag_guess_branch_prob.
3097 * flags.h (flag_guess_branch_prob): New.
3099 2001-01-15 DJ Delorie <dj@redhat.com>
3101 * gcc.texi (Makefile): Add documentation for Makefile targets.
3103 2001-01-15 Philip Blundell <philb@gnu.org>
3105 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3107 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3108 (is_pic): Delete declaration.
3109 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3110 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3111 * config/arm/arm.md (builtin_setjmp_receiver): New.
3113 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3115 * arm.c (use_return_insn): Don't try to determine the function type
3116 until after reload has completed.
3117 (arm_output_epilogue): Don't adjust the sp value recovered from the
3119 (emit_multi_reg_push): Don't record dwarf information for the pc.
3120 * arm.md (eh_epilogue): The function type may have changed, so it
3121 needs to be recalculated.
3122 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3123 unwind tables on arm/netbsd.
3125 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3127 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3128 (negated_cbranchsi4): Likewise.
3130 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3132 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3133 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3134 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3135 pass -mapcs-* options to assembler.
3136 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3137 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3138 (ASM_SPEC): Call subtarget_extra_asm_spec.
3140 2001-01-15 Andreas Jaeger <aj@suse.de>
3142 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3144 (ix86_expand_builtin): Likewise.
3146 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3147 warning about comparison between signed and unsigned.
3149 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3151 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3153 2001-01-14 Ralf Baechle <ralf@gnu.org>
3155 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3156 SUBTARGET_CPP_SPEC apropriatly.
3158 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3160 * varasm.c (make_decl_rtl): Fix typo in last change.
3162 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3164 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3165 linker supports the init_priority C++ attribute.
3166 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3167 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3168 linker does not support init_priority C++ attribute.
3170 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3172 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3174 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3176 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3177 * cp/lex.c (finish_parse): Similarly.
3178 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3179 Return the number of errors encountered.
3180 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3181 * cppmain.c (main): Don't call cpp_destroy.
3183 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3185 * configure.in: Require at least perl 5.6.0 to regenerate
3187 * configure: Regenerate.
3189 2001-01-14 Richard Henderson <rth@redhat.com>
3191 * genrecog.c (DT_veclen_ge): New.
3192 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3193 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3194 (nodes_identical_1): Handle DT_veclen_ge.
3195 (write_cond, debug_decision_2): Likewise.
3197 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3199 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3201 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3203 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3205 * cppmain.c (do_preprocessing): New function; most of the old
3207 (main): Call it to do most of the work.
3208 (cb): Move from global scope to set_callbacks ().
3209 (setup_callbacks): Get the callback pointer.
3210 (general_init, printer_init): Clean up code and comments.
3212 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3214 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3217 2001-01-14 Kazu Hirata <kazu@hxi.com>
3219 * config/h8300/h8300.c (get_shift_alg): Update comments.
3221 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3223 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3224 (alloc_page, ggc_alloc): Add casts to remove warnings.
3226 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3228 * combine.c (simplify_comparison): Don't change `code' when
3229 can't reverse comparison.
3231 2001-01-14 Richard Henderson <rth@redhat.com>
3233 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3234 update all call sites. Return true for all non-label constants.
3236 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3238 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3240 (ix86_expand_branch): Update.
3241 (ix86_expand_setcc): Update to handle multiple test conditions.
3242 (expand_int_movcc): Likewise.
3243 (expand_fp_movcc): Likewise.
3244 * i386-protos.h (ix86_expand_compare): New.
3245 * i386.md (andqi_?_slp, orqi_?_slp): New.
3246 (conditional trap expander): Update call to ix86_expand_compare.
3248 2001-01-14 Richard Henderson <rth@redhat.com>
3250 * config/vax/vax.md: Use nonimmediate_operand instead of
3251 general_operand in destinations.
3253 * config/vax/vax.md (indirect_jump): Use register_operand.
3255 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3256 * config/vax/vax.md (call_pop): Turn into an expander.
3257 (call_value_pop): Likewise.
3258 (call, call_value): New.
3260 2001-01-14 Andreas Jaeger <aj@suse.de>
3262 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3264 (ix86_fp_compare_mode): Add unused attribute.
3265 (ix86_expand_fp_movcc): Remove unused variable.
3266 (ix86_expand_builtin): Make fcode unsigned.
3268 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3269 (expand_expr): Add cast to avoid signed warning.
3270 (store_field): Likewise.
3271 (store_constructor_field): Likewise.
3272 (store_constructor): Likewise.
3273 (store_expr): Likewise.
3274 (clear_storage): Likewise.
3275 (emit_group_store): Likewise.
3276 (emit_group_load): Likewise.
3278 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3280 * c-common.c: Move format checking code to ...
3281 * c-format.c: ... here. New file. Reorder some functions and
3283 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3285 * c-common.h (decl_handle_format_attribute,
3286 decl_handle_format_arg_attribute): Declare.
3287 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3288 (c-common.o): Adjust dependencies.
3289 (c-format.o): New list of dependencies.
3291 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3293 * unroll.c (loop_iterations): If we cannot prove iteration variable
3294 is set once in each iteration, punt.
3296 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3298 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3299 (*strlenhi): Remove clobber (which was buggy) of output address.
3301 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3303 * Makefile.in (generated-manpages): Add gcc.1
3304 ($(srcdir)/gcc.1): New target.
3305 (maintainer-clean): Delete $(srcdir)/gcc.1.
3306 * gcc.texi: Add macros @gccoptlist and @gol.
3307 * invoke.texi: Include option summary in manpage. Mark up option
3308 summary with @gccoptlist and @gol. Use @r in one place where
3310 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3311 * gcc.1: Generate from invoke.texi.
3313 2001-01-13 Richard Henderson <rth@redhat.com>
3315 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3316 (struct page_entry): Add group member.
3317 (struct page_group): New.
3318 (struct globals): Add page_groups member.
3319 (alloc_anon): Only define for using mmap; remove valloc call.
3320 (page_group_index): New.
3321 (set_page_group_in_use): New.
3322 (clear_page_group_in_use): New.
3323 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3324 (free_page, release_pages): Likewise.
3325 * configure.in (with-gc): Default to ggc-page always.
3327 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3329 * reload1.c (replace_pseudos_in_call_usage): Use
3330 reg_equiv_constant and reg_equiv_address, and don't try
3331 regno_reg_rtx first.
3333 2001-01-13 Richard Henderson <rth@redhat.com>
3335 * ggc-page.c (alloc_page): Round up allocation size to one page.
3336 Set e->order on extra pages.
3338 2001-01-13 Richard Henderson <rth@redhat.com>
3340 * genrecog.c (nodes_identical): Expand commentary.
3341 (write_switch): Watch out for identical nodes.
3343 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3345 * cppfiles.c (_cpp_fake_include): New function.
3346 * cpphash.h (_cpp_fake_include): New.
3347 * cpplib.c (do_line): Call _cpp_fake_include when entering
3348 header files in preprocessed input.
3349 * cppmain.c (cb_pragma_implementation): Remove handling.
3350 (setup_callbacks): Don't register pragmas.
3352 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3354 * extend.texi: Udate for CPP.
3356 2001-01-13 Andreas Jaeger <aj@suse.de>
3358 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3360 * regmove.c: Add prototype for replace_in_call_usage.
3362 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3364 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3365 struct cpp_chunk, struct htab, struct toklist,
3366 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3367 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3368 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3369 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3370 (struct macro_args): Delete.
3371 * cpphash.h: See above.
3373 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3375 * cppmain.c (struct printer): Remove no_line_dirs.
3377 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3378 : Use options rather than CPP_OPTION.
3379 (setup_callbacks): Use cb rather than pfile->cb.
3380 (main): No need to check for a buffer. Use cpp_errors.
3381 (printer_init): Don't set no_line_dirs.
3382 (maybe_print_line): Use options not no_line_dirs.
3383 (cb_file_change): Don't call print_line if -P.
3385 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3387 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3389 * c-parse.in (finish_parse): Use cpp_errors.
3390 (__yylex): Use return value of cpp_pop_buffer.
3391 * cp/lex.c (finish_parse): Use cpp_errors.
3392 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3394 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3396 * README.AVR: URLs corrected.
3398 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3400 * c-decl.c (start_function): Don't warn if old prototype is builtin
3401 that's not in C's namespace.
3402 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3403 (_bb): Add prototype for ctime.
3404 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3406 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3408 * i386.c (ix86_fp_comparison_arithmetics_cost,
3409 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3410 ix86_fp_comparison_cost): New functions.
3411 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3412 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3413 two-branch sequences; make static.
3414 (ix86_use_fcomi_compare): Do decision according to the costs.
3415 (split_fp_branch): New.
3416 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3417 * i386-protos.h (ix86_expand_fp_compare): Remove
3418 (ix86_split_fp_branch): Declare.
3420 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3421 and ix86_comparison_operator.
3423 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3426 * i386.c (put_condition_code): Output properly the unordered/ordered
3427 compares in fp case.
3428 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3430 * tm.texi (REVERSE_CONDITION): Document.
3431 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3432 in -ffast-math mode.
3433 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3435 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3437 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3439 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3442 * config/sh/sh.c (mova_p): Fix test for mova_const.
3444 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3446 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3447 cpp_get_options rather than dereferencing pfile and using
3449 * scan-decls.c (scan_decls): Use return value of
3450 cpp_pop_buffer rather than CPP_BUFFER.
3452 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3454 * cppinit.c (cpp_handle_option): help_only is now part of the
3455 cpp_options structure.
3456 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3457 cpp_set_callbacks): New functions.
3458 * cpplib.h (cpp_callbacks): Break out as a named structure.
3459 (cpp_options): Move help_only here from cpp_reader.
3460 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3461 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3462 cpp_set_callbacks): New prototypes.
3463 * cppmain.c (main): Update for help_only.
3465 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3467 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3468 Also build and remove and install and uninstall c-tree.info and
3470 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3471 ($(srcdir)/cppinternals.info): New target.
3472 * c-tree.texi: Change file name used when makeinfo used without -o
3473 from ir.info to c-tree.info. Add info directory entry.
3474 * cppinternals.texi: Add info directory entry.
3475 * .cvsignore: Update.
3477 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3479 * c-typeck.c (store_init_value): Don't require constant initializer
3480 elements with -pedantic -std=c99.
3481 (digest_init): Change error about non-constant initializer elements
3483 (constructor_range_end): Remove.
3484 (constructor_incremental, designator_depth,
3485 designator_errorneous): New variables.
3486 (struct constructor_stack): Remove range_end, add incremental.
3487 (struct constructor_range_stack, constructor_range_stack): New.
3488 (struct initializer_stack): Add constructor_range_stack.
3489 (finish_init): Set it.
3490 (start_init): Likewise. require_constant_elements for non-static
3491 trees only if not flag_isoc99.
3492 (really_start_incremental_init): Remove constructor_range_end, add
3493 constructor_incremental.
3494 (pop_init_level): Likewise.
3495 (push_init_level): Likewise. If implicit and the subobject had some
3496 value set already, preinitialize the level with it.
3497 Warn about missing braces only if not pushing due to designators.
3498 (set_designator, push_range_stack): New functions.
3499 (set_init_label): Use them.
3500 (set_init_index): Likewise. Remove constructor_range_end.
3501 Error if designator index is outside of array bounds.
3502 (add_pending_init): Compare values of purpose index trees, not the
3503 trees themselves. Allow overwriting of already initialized element.
3504 Issue a warning if it had side-effects.
3505 (set_nonincremental_init, set_nonincremental_init_from_string): New
3507 (pending_init_member): Rename to...
3508 (find_init_member): ...this function. Call set_nonincremental_init
3509 if necessary. Compare values of purpose index trees, not the trees
3510 themselves. Return the actual value, not just non-zero if something
3512 (output_init_element): Remove checks for duplicates.
3513 If field has zero size, only check the initializer for correctness.
3514 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3515 if constructor_incremental is zero. Change error about initializers
3516 not computable at load time into pedwarn.
3517 (output_pending_init_elements): Compare bit positions, not
3518 FIELD_DECLs to take into account zero-sized fields.
3519 (process_init_element): Use constructor_range_stack to fill all
3520 ranges in the designator lists from current level up.
3521 * extend.texi: Update documentation for labeled elements.
3523 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3525 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3526 to function usage for arguments passed by reference. Optimize
3527 callee-copied arguments.
3528 * regmove.c (replace_in_call_usage): New function.
3529 (fixup_match_1): Call it.
3530 * cse.c (cse_insn): Canonicalize registers in function usage.
3531 * reload1.c (replace_pseudos_in_call_usage): New function.
3534 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3537 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3539 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3542 2001-01-12 DJ Delorie <dj@redhat.com>
3544 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3545 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3548 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3550 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3551 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3552 -std options alongside references to -ansi. Update some
3553 documentation for C99.
3554 * cpp.1: Regenerate.
3556 2001-01-12 Andreas Jaeger <aj@suse.de>
3558 * haifa-sched.c (restore_line_notes): Remove argument block B
3560 * sched-ebb.c (schedule_ebb): Change caller.
3561 * sched-rgn.c (schedule_region): Likewise.
3562 * sched-int.h (restore_line_notes): Adjust prototype.
3564 * loop.h: Remove wrong declaration of doloop_condition_get.
3566 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3568 * extend.texi: Move C++-extension-related node from the C section
3569 into the C++ section.
3571 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3573 * extend.texi: Refer to an array of pointers to functions instead
3574 of one of functions.
3576 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3577 Jan Hubicka <jh@suse.cz>
3579 * combine.c (reversed_comparison): Fix typo in last patch.
3581 (combine_reversed_comparison_code): Make static to follow
3582 prototype declaration.
3584 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3586 * install.texi: Remove misplaced duplicate entry.
3588 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3590 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3592 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3594 * final.c: (leaf_function_p): Fix typo.
3596 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3598 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3599 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3601 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3602 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3603 mmap_anon, and valloc is available.
3604 * ggc-page.c: Restructure ifdef logic to match new autoconf
3605 spec. Don't throw away the test page in init_ggc.
3607 * configure, config.in: Regenerate.
3609 2001-01-12 Michael Hayes <mhayes@redhat.com>
3611 * loop.h (total_biv_increment): Constify iv_class pointer.
3612 (struct induction): Replace `mem_mode' with `mem' rtx.
3613 * unroll.c (total_biv_increment): Constify iv_class pointer.
3614 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3615 (find_mem_givs, combine_givs_p): Likewise.
3616 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3618 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3620 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3622 (__gthread_getspecific): Ditto.
3624 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3626 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3627 put_condition_code): Convert fp comparison codes to integer
3629 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3632 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3633 * i386-protos.h (no_comparison_operator): Kill.
3635 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3637 * combine.c (REVERSIBLE_CC_MODE): Remove.
3638 (reversible_comparison_p): Remove.
3639 (combine_reversed_comparison_code): New.
3640 (reversed_comparison): New.
3641 (combine_simplify_rtx): Use
3642 combine_reversed_comparison_code/reversed_comparison instead
3643 of reversible_comparison_p.
3644 (simplify_if_then_else): Likewise.
3645 (simplify_set): Likewise.
3646 (simplify_logical): Likewise.
3647 (if_then_else_cond): Likewise.
3648 (known_cond): Likewise.
3649 (simplify_comparison): Likewise.
3651 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3653 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3654 sizeof (int) is larger than sizeof(__word__).
3656 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3658 * cppinit.c (do_includes): Fix typo.
3660 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3662 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3663 in S_REGS does not occur because not all sources are possible
3664 when a S_REGS is a destination (sometimes needs a clobber).
3665 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3666 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3667 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3668 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3669 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3670 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3671 (lshrdi_const1, lshrsi3_const16): Likewise.
3672 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3673 (*movhi_68hc12, *movqi_68hc12): Likewise.
3674 (movstrictqi): Make sure reloading in D_REGS as a destination
3677 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3679 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3681 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3683 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3684 -D, -U and -A, and don't initialize the builtins.
3685 (do_includes): Error if -include or -imacros with -fpreprocessed.
3686 * cppmain.c (cb_define, cb_undef): Unconditionally process
3688 * tradcpp.c (main): Fix typo.
3690 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3692 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3693 (read_name_map): Use IS_ABSOLUTE_PATH.
3694 * tradcpp.c (get_filename): Likewise.
3696 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3698 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3699 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3700 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3701 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3702 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3703 (cmphi_z_used): Don't use '@' for the output.
3704 (tstqi_z_used): Likewise.
3705 (cmpqi_z_used): Likewise.
3706 (one_cmplsi2): Likewise.
3708 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3710 * config/sh/sh.c (barrier_align): Recognize branch around far
3711 branch and redundant insn.
3713 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3715 * invoke.texi: Restore documentation of the drivers' switches -MD
3718 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3720 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3722 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3723 check-objc//%): Support parallel testing of multilibs.
3724 (TESTSUITEDIR): Set to testsuite by default, but override for
3726 (check-gcc, check-g++, check-g77, check-objc): Enter
3729 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3731 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3732 * sched-deps.c (deps_may_trap_p): Likewise.
3733 * basic-block.h: Remove a comment.
3734 * flow.c (PROP_POSTRELOAD): Remove.
3735 (update_life_info): Don't add it to prop_flags.
3736 (mark_set_1): Lose the code that was enabled by it.
3738 2001-01-11 Michael Hayes <mhayes@redhat.com>
3740 * flow.c (flow_call_edges_add): New.
3741 * basic_block.h (flow_call_edges_add): New.
3743 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3745 * reload1.c (move2add_note_store): Update reg_set_luid even if
3746 base reg remains the same.
3748 2001-01-10 Nick Clifton <nickc@redhat.com>
3750 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3751 machine_function structure to zero.
3752 Add prototypes for machine_status functions.
3754 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3756 * c-common.h (CTI_VOID_LIST): Remove.
3757 (void_list_node): Likewise.
3758 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3759 (void_list_node): New macro.
3760 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3761 * config/i386/i386.c (ix86_init_builtins): Likewise.
3762 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3764 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3766 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3767 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3769 * tradcpp.c: Include mkdeps.h.
3770 (deps, print_deps_phony_targets, deps_append, output_deps,
3771 init_dependency_output, output_deps): New.
3772 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3773 deps_output): Delete.
3774 (print_deps_missing_files): Rename deps_missing_files.
3775 (inhibit_output): Make global.
3776 (main): Delete inhibit_output, deps_stream, deps_target.
3777 Use mkdeps functionality in the same way as cpplib. Remove
3778 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3779 -M and -MM. Remove old handling of deps via deps_out, and
3780 old reading of environment variables.
3781 (get_filename): Update to use deps_add_dep.
3783 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3785 * output.h (make_function_rtl): Remove prototype.
3786 (make_decl_rtl): Likewise.
3787 * varasm.c (make_function_rtl): Remove.
3788 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3789 than from a third parameter.
3790 * tree.h (make_decl_rtl): Remove last parameter.
3791 * c-decl.c (builtin_function): Remove last argument in call to
3792 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3793 (start_function): Likewise.
3794 * except.c (call_get_eh_context): Likewise.
3795 * expr.c (emit_block_move): Likewise.
3796 (clear_storage): Likewise.
3797 * profile.c (output_func_start_profiler): Likewise.
3798 * toplev.c (rest_of_decl_compilation): Likewise.
3799 * objc/objc-act.c (create_builtin_decl): Likewise.
3800 (synth_module_prologue): Likewise.
3801 (generate_static_reference): Likewise.
3802 (build_selector_reference_decl): Likewise.
3803 (build_class_reference_decl): Likewise.
3804 (build_objc_string_decl): Likewise.
3805 (build_protocol_reference): Likewise.
3807 2001-01-10 Richard Henderson <rth@redhat.com>
3809 * hwint.h: Revert yesterday's change.
3811 2001-01-10 Nick Clifton <nickc@redhat.com>
3813 * function.h (save_machine_status): Delete.
3814 (restore_machine_status): Delete.
3815 Amend comment describing {init|mark|free}_machine_status.
3817 * function.c (save_machine_status): Delete.
3818 (restore_machine_status): Delete.
3819 Amend comment describing {init|mark|free}_machine_status.
3820 (push_function_context_to): Remove invocation of
3821 save_machine_status.
3822 (pop_function_context_from): Remove invocation of
3823 restore_machine_status.
3825 * emit-rtl.c (init_emit_once): Amend comment describing
3826 {init|mark|free}_machine_status.
3828 * tm.texi (Per-Function Data): New node. Describe the
3829 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3832 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3834 * cppinit.c (OPT_g): Remove.
3835 (cpp_handle_option): Update for removed -g3.
3836 (print_help): Update.
3837 * cpplib.h (struct cpp_options): Remove debug_output.
3838 * cppmain.c (setup_callbacks, cb_define): Update.
3839 * gcc.c (cpp_options): Translate -g3 to -dD.
3841 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3843 * config/i960/i960.md: Change modifier to + on the zero_extract
3844 pattern after the (rotate -2 reg) canonicalization pattern.
3846 2001-01-10 Richard Henderson <rth@redhat.com>
3848 * config/alpha/alpha.c (alpha_free_machine_status): New.
3849 (override_options): Install it.
3850 (alpha_mark_machine_status): Verify machine non-null.
3851 * config/i386/i386.c (ix86_free_machine_status): New.
3852 (override_options): Install it.
3853 (ix86_init_machine_status): Use xcalloc.
3854 (ix86_mark_machine_status): Verify machine non-null.
3855 * config/ia64/ia64.c (ia64_free_machine_status): New.
3856 (ia64_override_options): Install it.
3857 (ia64_mark_machine_status): Verify machine non-null.
3859 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3861 * function.c (instantiate_virtual_regs): Instantiate virtual
3862 registers found in CALL_INSN_FUNCTION_USAGE.
3864 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3866 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3867 equivalent to -ansi in disabling -Di386.
3869 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3871 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3873 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3875 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3877 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3879 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3881 * invoke.texi: Document that -fcond-mismatch isn't supported for
3884 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3886 * gcc.texi: Define macro gcctabopt.
3887 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3888 @command, @env and @option in some places where appropriate. Use
3889 @gcctabopt where appropriate. Put URLs and email addresses inside
3892 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3894 * gcc.c (cpp_options): Set MD file name from output
3895 filename, if specified.
3896 (suffix_subst): New static variable.
3897 (do_spec): Clear it.
3898 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3900 (give_switch): Handle suffix_subst.
3902 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3904 * invoke.texi: Fix another typo.
3906 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3908 * invoke.texi: Fix typo.
3910 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3912 * c-lang.c (lang_hooks): Update.
3913 (lang_decode_option): Remove.
3914 (lang_init_options): Rename c_init_options.
3915 * toplev.c (main): Use lang_hooks for lang_init_options
3916 and lang_decode_option.
3917 * toplev.h (lang_hooks): Add 2 new hooks.
3918 * tree.h: Remove lang_init_options and lang_decode_option.
3919 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3920 * cp/decl2.c: Similarly.
3921 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3922 (lang_hooks): Update.
3923 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3925 (lang_init_options): Rename ffe_init_options.
3926 (lang_hooks): Update.
3927 (lang_decode_option): Remove.
3928 * java/lang.c (lang_init_options): Rename java_init_options.
3929 (lang_decode_option): Rename java_decode_option.
3930 (lang_hooks): Update.
3931 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3932 (lang_decode_option): Rename objc_decode_option.
3933 (lang_hooks): Update.
3935 2001-01-09 Nick Clifton <nickc@redhat.com>
3937 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3938 (d30v_return_addr_rtx): Delete.
3939 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3940 cfun->machine structure.
3941 (struct machine_function): Move to d30v.h
3942 (d30v_save_machine_status): Delete.
3943 (d30v_restore_machine_status): Delete.
3944 (d30v_init_machine_status): New Function.
3945 (d30v_mark_machine_status): New Function.
3946 (d30v_free_machine_status): New Function.
3947 (d30v_init_expanders): Use new functions.
3948 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3949 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3950 d30v_return_addr_rtx.
3952 * config/d30v/d30v.h (struct_machine): Move here.
3953 Add eh_epilogue_sp_ofs field.
3955 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3956 field in cfun->machine structure.
3958 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3960 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3961 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3962 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3964 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3966 * objc/lang-options.h: Remove bogus reference to
3969 2001-01-09 Kazu Hirata <kazu@hxi.com>
3971 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3974 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3976 * reload.c (find_reloads_address): Check for eliminable registers
3977 when substituting a constant expression for a pseudo.
3979 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3981 * c-common.c (enum format_type): Add format_type_error.
3982 (decode_format_type): New function.
3983 (decl_attributes): Use it.
3984 (format_kind_info): Adjust comment.
3986 2001-01-09 David O'Brien <obrien@BSDi.com>
3988 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3989 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3991 * config/i386/gnu.h: Don't include required platform specific .h files,
3992 tm.h will do it instead.
3993 * config/i386/i386elf.h: Likewise.
3994 * config/i386/linux.h: Likewise.
3995 * config/i386/moss.h: Likewise.
3996 * config/mips/gnu.h: Likewise.
3998 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4000 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4001 (rs6000-ibm-aix3.[01]*): Likewise.
4002 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4003 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4004 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4005 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4006 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4007 (powerpc-*-eabiaix*): Likewise.
4008 (powerpc-*-eabisim*): Likewise.
4009 (powerpc-*-elf*): Likewise.
4010 (powerpc-*-eabi*): Likewise.
4011 (powerpc-*-rtems*): Likewise.
4012 (powerpc-*-linux*libc1): Likewise.
4013 (powerpc-*-linux*): Likewise.
4014 (powerpc-wrs-vxworks*): Likewise.
4015 (powerpcle-wrs-vxworks*): Likewise.
4016 (powerpcle-*-sysv*): Likewise.
4017 (powerpcle-*-elf*): Likewise.
4018 (powerpcle-*-eabisim*): Likewise.
4019 (powerpcle-*-eabi*): Likewise.
4020 (powerpcle-*-solaris2*): Likewise.
4021 * config/rs6000/aix31.h: Delete includes.
4022 * config/rs6000/aix3newas.h: Likewise.
4023 * config/rs6000/aix41.h: Likewise.
4024 * config/rs6000/aix43.h: Likewise.
4025 * config/rs6000/beos.h: Likewise.
4026 * config/rs6000/rtems.h: Likewise.
4027 * config/rs6000/sysv4.h: Likewise.
4029 2001-01-09 Kazu Hirata <kazu@hxi.com>
4031 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4032 Change an argument mode of machine_mode to shift_mode of
4033 shift_mode. Remove an extra error check.
4034 (emit_a_shift): Adopt to the new calling prototype of
4036 (function_prologue): Fix code for a monitor
4037 function. Support H8/S.
4038 (function_epilogue): Do not output pop for a monitor function.
4040 2001-01-09 Nick Clifton <nickc@redhat.com>
4042 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4043 (setup_incoming_varargs): Use sysv_varargs_p field of the
4044 cfun->machine structure.
4045 (struct machine_function): Move to rs6000.h
4046 (rs6000_save_machine_status): Delete.
4047 (rs6000_restore_machine_status): Delete.
4048 (rs6000_init_machine_status): New Function.
4049 (rs6000_free_machine_status): New Function.
4050 (rs6000_init_expanders): Use new functions.
4052 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4054 (struct machine_function): Move here.
4056 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4057 sysv_varargs_p field of the cfun->machine structure.
4059 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4061 (rs6000_restore_machine_status): Remove prototype.
4063 2001-01-09 Richard Henderson <rth@redhat.com>
4065 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4066 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4067 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4068 (sched_analyze_2, sched_analyze_insn): Likewise.
4069 (sched_analyze, init_deps): Likewise.
4070 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4071 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4072 (compute_block_backward_dependences): Update propagate_deps call.
4074 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4076 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4078 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4080 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4081 (cpp_handle_option): Handle them.
4082 (cpp_post_options): Ensure one of -M or -MM is specified with
4083 any other -M? option.
4084 (init_dependency_output): Suppress output with -MG.
4086 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4089 * invoke.texi: Update.
4091 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4093 * sh.md (reload_outsf): Generate recognizable patterns for
4096 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4098 * c-lang.c (lang_hooks): Update.
4099 (lang_init): Rename c_init.
4100 (lang_finish): Remove.
4101 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4103 * toplev.h (lang_hooks): Add init () and finish ().
4104 * tree.h (lang_init, lang_finish): Remove.
4105 * cp/tree.h (lang_init, lang_finish): Remove.
4106 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4107 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4109 (lang_init, lang_finish): Remove.
4110 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4111 (lang_hooks): Update.
4112 * java/lang.c (lang_init): Rename java_init.
4113 (lang_finish): Remove.
4114 (lang_hooks): Update.
4115 * objc/objc-act.c (lang_init): Rename objc_init.
4116 (lang_finish): Remove.
4117 (lang_hoooks): Update.
4119 20001-01-09 Graham Stott <grahams@redhat.com>
4121 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4122 after `ptr` is initialised.
4124 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4126 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4127 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4128 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4129 stack adjusts, instead of r3.
4131 2001-01-09 Michael Hayes <mhayes@redhat.com>
4133 * flow.c (flow_loop_scan): Break out of ...
4134 (flow_loops_find) ... here.
4135 * basic-block.h (flow_loop_scan): New.
4136 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4137 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4139 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4141 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4143 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4144 realloc()ing macro_buffer.
4146 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4147 if it's wider than long and the target's long is wider than the
4150 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4152 Remove support for using UWIN as a host machine.
4153 * configure.in: Issue an error message.
4154 * configure: Regenerated.
4155 * config.gcc: Remove xm_* UWIN configury.
4156 * config/i386/xm-uwin.h: Remove.
4158 2001-01-08 Nick Clifton <nickc@redhat.com>
4160 * config/v850/v850.c (ra_rtx): Delete.
4161 (v850_save_machine_status): Delete.
4162 (v850_restore_machine_status): Delete.
4163 (v850_init_machine_status): New function.
4164 (v850_mark_machine_status): New function.
4165 (v850_free_machine_status): New function.
4166 (v850_return_addr): Use ra_rtx field in machine structure.
4167 (v850_init_expanders): Use new functions.
4169 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4170 * config/v850/v850.c: Change arguments to v850_output+* functions
4171 to take a const char *, to avoid compile time warning.
4172 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4173 (USER_LABEL_PREFIX): Redefine.
4175 2000-01-08 Jim Wilson <wilson@redhat.com>
4177 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4178 1 to unsigned HOST_WIDE_INT before left shift.
4180 2001-01-08 Nick Clifton <nickc@redhat.com>
4182 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4183 the machine structure has been allocated.
4184 (arm_free_machine_status): New function: Free the machine
4185 specific function structure.
4187 2001-01-08 Richard Henderson <rth@redhat.com>
4189 * jump.c (simplejump_p): Revert last change.
4191 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4193 * cppinit.c (init): Rename init_library.
4194 (cpp_create_reader): Update.
4195 * gcc.c (cpp_options): If -o given, use it as the target of
4198 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4200 * arm.c (arm_arch5e): New variable.
4201 (all_cores): XScale is a 5TE device.
4202 (arm_override_options): Set arm_arch5e.
4203 (arm_init_builtins): __builtin_prefetch is in arch5e.
4204 * arm.h (arm_arch5e): Declare it.
4206 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4208 * arm.md (define_constants): Add defines for UNSPEC and
4209 UNSPEC_VOLATILE insns. Update all users.
4210 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4211 * arm.c (multi_register_push, note_invalid_constants)
4212 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4213 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4214 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4216 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4218 * jump.c (jump_optimize_1): Use reversed_comparison_code
4219 instead of can_reverse_comparison_p.
4220 (jump_back_p): Likewise.
4221 (invert_exp_1): Likewise.
4222 (thread_jumps): Likewise.
4223 * simplify-rtx.c (simplify_unary_operation): Likewise.
4224 (simplify_ternary_operation): Likewise.
4225 * cse.c (find_comparison_args): Convert to use
4226 can_reverse_comparison_p.
4227 (record_jump_equiv): Likewise.
4229 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4231 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4232 (EPILOGUE_USES): Define.
4233 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4234 automatically stack the LR if it isn't live.
4236 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4238 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4241 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4243 * ggc-page.c (max_alignment): New structure.
4244 (MAX_ALIGNMENT): New macro.
4245 (init_ggc): Use it to round up the sizes in the
4246 extra_order_size_table.
4248 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4250 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4253 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4255 * builtins.def (BUILT_IN_FPRINTF): New entry.
4257 * c-common.c (c_expand_builtin_fprintf): New function.
4258 (init_function_format_info): Handle __builtin_fprintf.
4259 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4260 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4262 * c-decl.c (duplicate_decls): Adjust comment.
4264 * extend.texi (fprintf): Document new builtin.
4266 2001-01-07 Richard Henderson <rth@redhat.com>
4268 * jump.c (simplejump_p): Recognize any single_set jump
4271 2001-01-07 Richard Henderson <rth@redhat.com>
4273 * configure.in (slibdir): Accept an --with-slibdir option.
4274 Use "test" not "[" in configure. Default to $(libdir).
4276 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4278 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4279 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4280 (SHLIB_LINK): Create links for the soname.
4281 * config/mips/t-iris6: Likewise.
4282 * config/sparc/t-slibgcc: Likewise.
4283 * config/sparc/t-slibgcc-sld: Likewise.
4285 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4287 * config/i386/i386.c (constant_call_address_operand): Accept
4288 (const (plus (symbol_ref) (const_int))).
4289 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4290 constant_call_address_operand.
4292 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4294 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4295 and LONG_LONG_TYPE_SIZE > 32.
4297 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4299 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4300 the previous change.
4302 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4304 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4306 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4307 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4308 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4311 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4313 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4315 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4317 * c-lang.c (c_post_options): Call cpp_post_options.
4318 * objc/objc-act.c (objc_post_options): Similarly.
4319 * cppmain.c (main): Similarly.
4320 * fix-header.c (read_scan_file): Similarly.
4321 * cppinit.c (cpp_start_read): Move option consistency checks
4322 to cpp_post_options. Don't call init_dependency_output.
4323 If needed, add default target and main file dependency.
4324 (OPT_MD, OPT_MMD): Remove.
4326 (cpp_handle_option): Update for OPT_* changes.
4327 (cpp_post_options): New.
4328 (init_dependency_output): Command line -MF overrides environment
4329 variables. Don't set default target etc. Suppress output
4330 if dependencies are going to stdout.
4331 (print_help): Update.
4332 * cpplib.h (cpp_post_options): New.
4333 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4335 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4337 * jump.c (comparison_dominates_p): Support unordered compares.
4339 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4341 * simplify-rtx.c (simplify_relational_operation): Always simplify
4342 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4345 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4347 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4348 (nonzero_bits): Likewise.
4349 (simplify_comparison): Likewise.
4350 (num_sign_bit_copies): Likewise; return more sane value depending
4351 on STORE_FLAG_VALUE.
4352 (known_cond): Do not assume EQ to be always true for equivalent
4355 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4357 * cse.c (fold_rtx): Handle unordered comparisons.
4359 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4361 * rtlanal.c (set_of_1): New static function.
4362 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4363 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4364 reg_set_last_last_regno): Remove.
4365 (set_of): New global function.
4366 (set_of_data): New structure.
4367 (reg_set_p, reg_set_last): Revamp for set_of.
4368 * rtl.h (set_of): New.
4370 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4372 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4373 * extend.texi: Document _Exit builtin.
4375 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4377 * (initialize, initialize_builtins,
4378 initialize_dependency_output, initialize_standard_includes):
4379 Rename s/initialize/init. Update.
4380 (init_dependency_output): Move to after
4381 cpp_handle_options, the correct location temporally at least.
4382 (opt_comp): Move next to init (), its caller. Fix prototype.
4383 (init): Make "initialized" local scope.
4384 (cpp_create_reader): Always call init ().
4385 (cpp_start_read): Update.
4386 (output_deps): New function, broken out of cpp_finish.
4387 (cpp_finish): Break out output_deps.
4389 2001-01-07 Richard Henderson <rth@redhat.com>
4391 * collect2.c (COFF specific stuff): Revert 12-06 patch
4392 to prototype system functions.
4394 2001-01-07 Michael Hayes <mhayes@redhat.com>
4396 * hard-reg-set.h: Add multiple include guard.
4397 * basic-block.h (struct loop): Add `sink' field.
4398 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4399 (emit_iv_add_mult): Delete.
4400 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4401 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4402 (unroll_loop): Remove end_insert_before argument.
4403 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4404 (maybe_eliminate_biv_1): Likewise.
4405 (emit_iv_add_mult): Delete.
4406 (gen_add_mult, loop_regs_update): New.
4407 (loop_insn_emit_after, loop_insn_emit_before): New.
4408 (loop_insn_sink, loop_insn_sink_or_swim): New.
4409 (emit_iv_add_mult): Delete.
4410 (scan_loop): Set loop->sink.
4411 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4412 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4413 (maybe_eliminate_biv_1): Likewise.
4414 (maybe_eliminate_biv_1): Add basic block argument.
4415 * unroll.c (unroll_loop): Remove end_insert_before argument.
4416 (find_splittable_regs): Likewise.
4417 (find_splittable_regs): Use loop_insn_sink and its ilk.
4418 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4420 2001-01-07 Michael Hayes <mhayes@redhat.com>
4422 * loop.h (loop_insn_hoist): New prototype.
4423 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4424 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4425 (check_dbra_loop, load_mems): Likewise.
4426 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4427 (find_splittable_givs): Likewise.
4429 2001-01-07 Michael Hayes <mhayes@redhat.com>
4431 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4433 2001-01-07 Richard Henderson <rth@redhat.com>
4435 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4437 2001-01-07 Richard Henderson <rth@redhat.com>
4439 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4440 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4441 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4442 variant that handles a shared libgcc.
4443 (process_command): Always validate -{static,shared}-libgcc.
4444 (do_spec_1): New 'M' case.
4445 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4447 2001-01-07 Richard Henderson <rth@redhat.com>
4449 * Makefile.in (slibdir): New variable.
4450 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4451 (installdirs): Create slibdir.
4452 (install-libgcc, install-multilib): Defer to libgcc.mk.
4453 * configure.in (slibdir): Substitute.
4454 * mklibgcc.in (install): New target.
4456 * config/t-linux (SHLIB_LINK): Create links for the soname.
4457 (SHLIB_INSTALL): New.
4458 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4459 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4460 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4461 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4462 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4464 2001-01-07 Richard Henderson <rth@redhat.com>
4466 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4467 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4468 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4470 2001-01-07 Michael Hayes <mhayes@redhat.com>
4472 * loop.c (count_loop_regs_set): Delete.
4473 (load_mems_and_recount_loop_regs_set): Delete.
4474 (loop_regs_scan): Merge common code from count_loop_regs_set,
4475 scan_loop, and load_mems_and_recount_loop_regs_set.
4476 (scan_loop): Call load_mems directly and loop_regs_scan
4477 again if new registers created.
4479 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4481 * toplev.c (main): Call the front-end specific post_options
4482 hook if one is given.
4483 * toplev.h (struct_lang_hooks, lang_hooks): New.
4484 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4485 for the C front end.
4486 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4487 lang_hooks for the C++ front end.
4488 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4489 lang_hooks for the ObjC front end.
4490 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4491 * java/lang.c (lang_hooks): Hooks for the Java front end.
4493 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4495 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4496 for verbose DWARF[2] debugging.
4497 (cb_define, cb_undef): The new callbacks.
4498 * toplev.h (debug_define, debug_undef): Make const correct.
4499 * toplev.c (debug_define, debug_undef): Similarly. Do not
4500 perform the verbosity tests here anymore.
4502 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4504 * reload.c (subst_reloads): Take INSN argument. When
4505 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4506 * reload.h (subst_reloads): Adjust prototype.
4507 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4508 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4509 present in JUMP_INSNs and copy them to JUMP_LABEL.
4510 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4511 JUMP_INSNs and insns with REG_LABELs that are followed by
4512 JUMP_INSNs with the same REG_LABEL.
4513 * sched-rgn.c (is_cfg_nonregular): Likewise.
4514 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4516 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4518 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4520 2001-01-06 Richard Henderson <rth@redhat.com>
4522 * loop.c (scan_loop): Use xcalloc for the regs array.
4523 (load_mems_and_recount_loop_regs_set): Zero the new memory
4524 received from xrealloc.
4526 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4528 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4530 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4532 * integrate.c (copy_rtx_and_substitute): When copying
4533 an ignored return value, strip REG_FUNCTION_VALUE_P.
4535 2001-01-06 Michael Hayes <mhayes@redhat.com>
4537 * loop.c (debug_biv, debug_giv): New.
4538 (loop_biv_dump): Break out from ...
4539 (record_biv): ... here.
4540 (loop_giv_dump): Break out from ...
4541 (record_giv): ... here.
4542 (loop_bivs_check): Use print_simple_rtl.
4543 * unroll.c (loop_iterations): Use print_simple_rtl.
4545 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4547 * pa.md (return, return_internal): Modify patterns to prevent regrename
4548 mucking with the return pointer.
4550 2001-01-05 Richard Henderson <rth@redhat.com>
4552 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4554 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4556 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4557 version supplied by Matteo Frigo.
4559 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4561 * cpp.texi: Update for -MQ.
4562 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4563 (cpp_cleanup): Always free pfile->deps.
4564 (initialize_dependency_output): Don't create pfile->deps.
4565 (cpp_handle_option): Similarly.
4567 * gcc.c (cpp_options): Handle -MQ.
4568 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4569 * mkdeps.c (base_name): Remove.
4570 (deps_init): Don't allocate vector space until it's needed.
4571 (deps_free): Only free vectors if allocated.
4572 (deps_add_target, deps_add_dep): Update for initial allocation.
4573 (deps_add_default_target): Don't strip to the base_name.
4575 2001-01-05 DJ Delorie <dj@redhat.com>
4577 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4578 (INIT_EXPANDERS): Define.
4580 * config/v850/v850.c (struct machine_function): Define.
4581 (v850_save_machine_status): New function.
4582 (v850_restore_machine_status): New function.
4583 (v850_return_addr): New function.
4584 (v850_init_expanders): New function.
4586 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4587 and v850_init_expanders.
4589 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4591 * cpplib.h (struct cpp_reader): Add help_only field.
4592 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4593 (cpp_handle_option): Set pfile->help_only if we see -h,
4594 --help, -target-help, or --version. Print version string but
4595 do not set help_only if we see -v or -version. Make text
4596 printed by -v match that printed by (-)-version.
4598 * cppmain.c (main): Exit after option parsing if
4599 pfile->help_only is true.
4601 * toplev.c (independent_decode_option): Call print_version,
4602 then exit, if we see --version (but not -version).
4603 (print_version): Split lengthy message into two lines.
4605 2001-01-05 Nick Clifton <nickc@redhat.com>
4607 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4608 temporary string for initialisation before calling ggc_alloc_string.
4610 2001-01-06 Michael Hayes <mhayes@redhat.com>
4612 * rtl.h (print_simple_rtl): New.
4613 * print-rtl.c (print_simple_rtl): New.
4615 (print_rtx): Disable printing of flags and modes, etc.,
4616 if `flag_simple` nonzero.
4618 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4620 * function.c (fixup_var_refs): Use push_to_full_sequence where
4623 2001-01-05 Michael Meissner <meissner@redhat.com>
4625 * flags.h (flag_reorder_blocks): Add declaration.
4626 (flag_rename_block): Ditto.
4628 2001-01-05 DJ Delorie <dj@redhat.com>
4630 * function.c (reorder_blocks): Make sure the flags are all reset
4631 before using them to mark blocks, else a second invocation will
4632 corrupt the block chain.
4633 (reorder_blocks_0): New, resets the flags.
4635 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4637 * cse.c (find_comparison_args): Stop if the argument is known to
4640 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4642 * config/sh/sh.md (movdf): When splitting load into pair of
4643 registers, don't clobber the register used in the address too
4646 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4648 * varasm.c (mark_constant_pool): Improve initial comments.
4649 (mark_constants): Move marking of constants to mark_constant.
4650 (mark_constant): New function to recursively mark all constants
4651 referred to by a constant.
4653 2001-01-05 Catherine Moore <clm@redhat.com>
4655 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4657 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4659 * cp/lang-options.h: Bring comment in line with reality.
4660 * f/lang-options.h: Likewise.
4661 * java/lang-options.h: Likewise.
4662 * objc/lang-options.h: Likewise.
4663 * ch/lang-options.h: Likewise.
4664 * f/g77.texi: And update the manual.
4666 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4667 Denis Chertykov <denisc@overta.ru>
4669 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4670 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4671 * config/avr/avr.md (all peepholes that request a scratch register):
4672 Call it, FAIL the peephole if not safe (in interrupt functions).
4674 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4676 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4678 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4680 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4682 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4683 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4684 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4685 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4686 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4688 * extend.texi: Document these builtins.
4690 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4692 * c-common.c (lang_get_alias_set): Say we know nothing of
4693 VECTOR_TYPE aliasing.
4695 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4697 2001-01-05 Bruce Korb <bkorb@gnu.org>
4699 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4700 their x* equivalent versions for atexit-less systems
4701 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4702 systems (or any other system any more).
4704 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4706 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4707 output operands. Use arm_hard_register_operand for operand 4.
4708 (stmsi_postinc): Similarly.
4709 (ldmsi): Use arm_hard_register_operand for opernand 2.
4711 * arm.c (arm_hard_register_operand): New function.
4712 * arm-protos.h (arm_hard_register_operand): Prototype it.
4714 * arm.h (HARD_REGNO_RENAME_OK): Define.
4716 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4718 * simplify-rtx.c (cfc_args): add "unordered" field.
4719 (check_fold_consts): Set unordered field.
4720 (simplify_relational_operation): Simplify the unordered
4723 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4726 * emit-rtl.c (try_split): Fix code to mark labels.
4727 * jump.c (mark_jump_label): Make global.
4728 * rtl.h (mark_jump_label): Declare.
4730 * predict.c (estimate_probability): Handle unordred comparisons.
4732 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4734 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4735 * cppinit.c (initialize_dependency_output): Update.
4736 (cpp_finish): Output dummy targets for -MP.
4738 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4739 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4740 * gcc.c (cpp_options): Update to handle -MP.
4741 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4742 to quote only the default target.
4743 (deps_phony_targets): Insert a preceding newline. Rename from
4744 deps_dummy_targets for consistency.
4747 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4749 * calls.c (emit_library_call_value_1): Support
4750 INIT_CUMULATIVE_LIBCALL_ARGS.
4751 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4753 2001-01-04 Richard Henderson <rth@redhat.com>
4755 * c-decl.c (finish_struct): Detect flexible array members
4756 used in an inappropriate context.
4757 * c-typeck.c (really_start_incremental_init): Special case
4758 constructor_max_index for zero length arrays.
4759 (pop_init_level): Allow initialization of flexible array
4760 members. Deprecate initialization of zero length arrays.
4761 Don't issue missing initializer warning for flexible array
4762 members or zero length arrays.
4763 (process_init_element): Don't dereference null DECL_SIZE.
4764 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4765 Don't abort for empty constructors. Use size_binop
4766 (output_constructor): Add commentary regarding zero length
4767 array futures. Abort if we try to initialize an array of
4768 unspecified length with a non-empty constructor in the middle
4771 * extend.texi (Zero Length): Update and clarify documentation
4772 on static initialization.
4774 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4776 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4777 with more than 32767 words of local storage.
4779 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4781 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4782 for 'abs', 'labs', and 'fabs'.
4783 (c4x_expand_builtin): Likewise.
4784 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4786 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4788 * config/sh/sh.md (prget, prset): New insn types.
4789 (return delay slot): Dont' allow prset.
4790 (call, sfunc delay slot): Don't allow prget.
4791 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4792 for prset and prget.
4794 2001-01-05 Michael Hayes <mhayes@redhat.com>
4796 * loop.h (struct loop_reg): New.
4797 (struct loop_regs): Change to use array of `struct loop_reg'.
4798 * loop.c: Replace assortment of varrays with single regs array.
4799 (count_one_set): Delete may_not_move array argument
4800 and use regs array instead. All caller's changed.
4801 (count_loop_regs_set): Delete may_not_move and single_usage
4802 arguments and use regs array instead. All caller's changed.
4803 (find_single_use_in_loop): Replace usage array argument with pointer
4804 to regs structure. All caller's changed.
4805 (loop_optimize): Delete `moved_once' array.
4807 2001-01-05 Michael Hayes <mhayes@redhat.com>
4809 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4810 Use it instead of loop_info->has_call for scanning loop mems.
4811 (check_dbra_loop): Replace loop_info->has_call test with
4812 loop_info->has_nonconst_call.
4814 2000-01-04 Matthew Hiller <hiller@redhat.com>
4816 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4819 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4821 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4822 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4824 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4826 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4827 (flag_short_double, flag_short_wchar): Define.
4828 (c_common_nodes_and_builtins): Create many tree nodes shared
4829 between C and C++ here instead of in cp/decl.c and ...
4830 * c-decl.c (init_decl_processing): ... here.
4831 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4832 (flag_short_double, flag_short_wchar): Don't define.
4833 (record_builtin_type): New function.
4834 (build_void_list_node): New function.
4835 * c-common.h (flag_short_double, flag_short_wchar,
4836 record_builtin_type, build_void_list_node): Declare.
4838 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4840 * integrate.c (expand_inline_function): Don't put a virtual
4841 register into the reg map.
4843 * function.c (fixup_var_refs_1): If force_operand didn't put
4844 the address into the target, move it there.
4846 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4848 Special-case tree_decl/tree_list allocations.
4849 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4850 (OBJECT_SIZE): New macro.
4851 (NUM_EXTRA_ORDER): Likewise.
4852 (extra_order_size_table): New variable.
4853 (NUM_ORDERS): New macro.
4854 (objects_per_page_table): New variable.
4855 (object_size_table): New variable.
4856 (G.pages): Use NUM_ORDERS to bound the array.
4857 (G.page_tails): Likewise.
4858 (DIV_ROUND_UP): Remove.
4859 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4860 (alloc_page): Use OBJECT_SIZE.
4861 (size_lookup): Don't make it const.
4862 (ggc_alloc): Use OBJECT_SIZE.
4863 (ggc_set_mark): Likewise.
4864 (ggc_get_size): Likewise.
4865 (init_ggc): Set up the object_size_table, objects_per_page_table,
4866 and adjust size_lookup.
4867 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4868 (ggc_pop_context): Use NUM_ORDERS.
4869 (clear_marks): Likewise.
4870 (sweep_pages): Likewise.
4871 (poison_pages): Likewise.
4872 (ggc_print_statistics): Use OBJECT_SIZE.
4874 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4876 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4877 Only call array_size_for_constructor if last field and array type
4878 with no upper bound.
4880 2001-01-04 Philip Blundell <philb@gnu.org>
4882 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4883 from bit 31 downwards, if this requires no more insns.
4884 (count_insns_for_constant): New helper function for above.
4886 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4888 * gencodes.c (output_predicate_decls): Remove empty initializer.
4890 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4892 * tree.c (copy_node): Remove documentation about obstacks.
4893 (buidl1): Check that nobody tries to build 2-argument nodes this
4896 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4898 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4901 * gencodes.c (output_predicate_decls): Fill empty initializer
4904 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4906 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4907 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4909 (do_include): Handle missing headers like cpp0.
4910 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4911 paths with first include pathname. Don't strcat to uninitialized
4914 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4916 * regrename.c (regrename_optimize): Don't rename from frame pointer
4917 if frame_pointer_needed.
4918 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4919 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4920 (ia64_reorg): Use it instead of scheduling if ! optimize.
4921 (errata_emit_nops): Properly call asm_noperands.
4922 (ia64_sched_reorder): Finish cycle if we see an asm.
4923 (ia64_variable_issue): Clear scheduling state after asms.
4925 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4927 * cpp.texi: Update for -MT.
4928 * cppinit.c (initialize_dependency_output): Add a default
4929 target if none has been given already.
4930 (no_tgt, OPT_MT): New.
4931 (cpp_handle_option): Handle -MT. Update -M etc.
4932 * cpplib.h (struct cpp_options): Remove deps_target.
4933 * gcc.c (cpp_options): Handle -MT.
4934 * mkdeps.c (struct deps): Move from mkdeps.h.
4935 (deps_calc_target): Rename deps_add_default_target. Add a
4936 default target if none has been specified already.
4937 * mkdeps.h (struct deps): Move to mkdeps.c.
4938 (deps_calc_target): Rename deps_add_default_target.
4940 2000-01-03 Richard Henderson <rth@redhat.com>
4942 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4944 * c-typeck.c (push_init_level): Move checks for flexible array
4945 members and zero length arrays ...
4946 (pop_init_level): ... here. Silently discard empty initializations.
4948 * varasm.c (output_constructor): Update for sizeof change to
4951 * extend.texi (Zero Length): Clarify semantics.
4953 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4955 * configure.in (tm.h): Include isns-codes.h last.
4956 * configure: Rebuilt.
4958 2001-01-03 Richard Henderson <rth@redhat.com>
4960 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4961 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4963 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4965 * tradcpp.c (main): Make sure finclude() is called with a valid
4966 indepth value while handling -include.
4968 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4970 * gencodes.c (output_predicate_decls): New function.
4972 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4973 even if it is not the first time machmode.h is #included.
4974 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4975 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4976 * gcc.texi (Copyright): Added 2001.
4978 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4980 * c-common.c (c_common_lang_init): New function. Warn if format
4981 warning options which only have effects when used with -Wformat
4982 are used without -Wformat.
4983 * c-common.h (c_common_lang_init): Declare.
4984 * c-lang.c (lang_init): Call c_common_lang_init.
4985 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4987 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4989 * configure.in: Check for the mktemp command.
4990 * configure: Regenerate.
4991 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4992 $TEMP. Create temporary files with mktemp, if available at
4993 configure time; otherwise use set -C. Remove temporary files
4996 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4998 * configure.in: Require at least texinfo 4.0. Check for whether
4999 Pod::Man is sufficiently recent to regenerate GCC manpages.
5000 * configure: Regenerate.
5001 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5003 (GENERATED_MANPAGES): Define.
5004 (generated-manpages): New target. Depend on cpp.1 as well as
5006 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5007 configure to generated-manpages or empty) rather than on the
5008 manpages directly. Remove execute permission from installed
5009 gcov.1 as well as cpp.1.
5010 * cpp.1, gcov.1: Regenerate.
5012 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5014 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5015 tree_low_cst. Allow using cmpstrsi in more cases.
5017 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5019 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5022 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5024 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5025 * Makefile.in (HOST_CFLAGS): Mention build-make.
5027 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5029 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5032 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5034 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5037 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5040 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5041 reg_base_value and reg_known_value arrays.
5042 (init_alias_analysis): Add more cases to detect known values.
5043 * sched-deps.c (deps_may_trap_p): New function.
5044 (sched_analyze_2): Use it.
5046 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5048 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5049 don't discard an ASHIFTRT if we're shifting in a wider mode.
5051 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5053 * toplev.c (rest_of_compilation): Don't print basic block information
5054 when CFG isn't up to date.
5056 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5058 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5059 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5060 (UNALIGNED_SHORT_ASM_OP): Define.
5061 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5063 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5065 * fold-const.c (fold_convert): Fix typo.
5067 2001-01-02 Richard Henderson <rth@redhat.com>
5069 * c-common.h (ASM_INPUT_P): New.
5070 * c-parse.in (asm): Set it when needed.
5071 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5072 existance of an operand.
5074 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5076 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5077 (dwarf2out_frame_debug_expr): Likewise.
5078 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5080 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5082 * i386.c (ix86_split_to_parts): Return number of part required;
5084 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5086 (ix86_split_long_move): Use number of part returned
5087 by ix86_split_to_parts
5088 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5090 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5091 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5092 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5093 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5094 (ALIGN_MODE_128): Add TFmode.
5095 (IS_STACK_MODE): Likewise.
5096 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5097 (HARD_REGNO_OK): Support TFmodes.
5098 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5099 * i386.md (scheduler definitions): Use memory operand to determine
5100 fst/fld instructions; use mode attribute to determine real mode of
5102 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5103 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5105 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5107 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5109 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5111 * expr.c (store_constructor_field): Update ALIGN before calling
5114 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5116 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5119 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5121 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5124 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5126 * c-decl.c (start_function): Don't warn on third parameter to main.
5128 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5130 * tsystem.h: Define HAVE_DECL_GETOPT.
5132 2001-01-02 Philip Blundell <pb@futuretv.com>
5134 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5137 2001-01-02 Richard Henderson <rth@redhat.com>
5139 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5141 2001-01-02 Andreas Jaeger <aj@suse.de>
5143 * c-decl.c (c_decode_option): Remove support of
5146 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5147 (W_options): Add -Wmissing-noreturn here.
5149 * flow.c: Define lang_missing_noreturn_ok_p.
5150 (check_function_return_warnings): Use it.
5152 * c-common.h: Declare lang_missing_noreturn_ok_p.
5154 * c-lang.c (c_missing_noreturn_ok_p): New function.
5155 (lang_init): Set lang_missing_noreturn_ok_p.
5157 * invoke.texi (Warning Options): Document this.
5159 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5161 * extend.texi (C++ Extensions): New node for C++ attributes;
5162 describe init_priority and com_interface.
5163 * invoke.texi: Remove -finit-priority as it now has zero effect.
5164 * install.texi: Fix xref syntax.
5165 * md.texi: Likewise.
5167 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5169 * config.gcc (sparc64-wrs-vxworks*): New case.
5170 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5172 * config/sparc/sparc.c (sparc_override_options): Do support different
5173 pointer and architecture size.
5174 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5175 (POINTERS_EXTEND_UNSIGNED): Define.
5176 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5177 (FUNCTION_MODE): Define to be Pmode.
5178 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5180 * function.c (expand_function_end): Properly handle DECL_RESULT
5181 and copy when ptr_mode != Pmode.
5182 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5184 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5186 * c-common.c (c_common_nodes_and_builtins): Set prototype
5187 parameters for __builtin_fputs, __builtin_fputc and
5188 __builtin_fwrite. Don't declare plain fputc as a builtin.
5190 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5192 * loop.c (add_label_notes): Increment the label usage count when
5193 a note is added to an insn which refers to a CODE_LABEL.
5194 * gcse.c (add_label_notes): Likewise.
5196 2001-01-01 Andreas Jaeger <aj@suse.de>
5198 * loop.c (scan_loop): Use xmalloc to allocate movables.
5200 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5202 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5203 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5204 * reload1.c (REGISTER_MOVE_COST): Likewise.
5205 * regclass.c (REGISTER_MOVE_COST): Likewise.
5206 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5207 dimension. Adjust all users.
5208 (init_reg_sets_1): Iterate on all modes.
5209 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5210 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5211 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5212 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5213 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5214 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5215 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5216 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5217 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5218 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5219 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5220 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5221 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5222 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5223 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5224 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5225 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5226 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5227 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5228 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5229 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5230 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5231 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5232 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5233 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5234 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5235 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5237 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5239 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5240 arg VARIES_P. Call it with extra arg.
5241 (true_dependence): Likewise.
5242 * rtl.h (rtx_addr_can_trap_p): Declare.
5243 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5245 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5246 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5247 pic offset table register if it's zero. All callers changed.
5248 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5250 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5252 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5253 STRING_POOL_ADDRESS_P.
5255 * config/sparc/sparc.c (input_operand): Properly test for short op.
5257 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5258 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5259 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5260 * config/sparc/elf.h: No longer include sol2.h.
5261 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5262 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5264 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5266 2001-01-01 Michael Hayes <mhayes@redhat.com>
5268 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5269 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5270 (record_initial): Likewise.
5271 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5272 (remap_split_bivs): Likewise.
5274 2001-01-01 Michael Hayes <mhayes@redhat.com>
5276 * loop.c (loop_ivs_free): New function.
5277 (strength_reduce): Break out from...
5279 2001-01-01 Michael Hayes <mhayes@redhat.com>
5281 * loop.h (struct iv): New.
5282 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5283 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5284 'reg_biv_class' fields with 'regs' and 'n_regs'.
5285 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5286 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5287 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5289 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5291 * resource.c (mark_referenced_resources): Abort() before
5292 attempting to mark a pseudo register.
5293 (mark_set_resources): Likewise.
5295 2001-01-01 Michael Hayes <mhayes@redhat.com>
5297 * loop.h (REG_IV_CLASS): New accessor macro.
5298 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5299 * unroll.c (REG_IV_CLASS): Likewise.
5301 See ChangeLog.4 for earlier changes.