| blob | 72ee6289dfcfde533f4be5bb1d0229c7e8dc08f1 |
1 2001-03-16 Michael Meissner <meissner@redhat.com>
3 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
4 warnings.
5 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
6 warnings.
7 (BITMASK_LOWER16): Replacement for 0x0000ffff.
9 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
10 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
11 being unsigned in ISO C and signed in traditional.
12 (expand_prologue): Ditto.
13 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
15 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
16 warnings.
17 (divsi3,divdi3): Ditto.
18 (modsi3,moddi3): Ditto.
19 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
20 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
21 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
22 warnings.
24 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
26 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
27 SSE based conditional moves on LTGT/UNEQ conditions;
28 Canonicalize EQ to NE.
29 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
30 (sse_mov?fcc_ne): New.
32 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
34 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
36 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
37 register may be dead.
39 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
41 * Makefile.in (hash.o): Depend on CONFIG_H.
43 2001-03-15 Mark Mitchell <mark@codesourcery.com>
45 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
47 2001-03-15 Richard Henderson <rth@redhat.com>
49 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
50 (ASM_OUTPUT_DWARF_PCREL): New.
51 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
53 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
55 * cppfiles.c (stack_include_file): Use MAX of sysp.
57 2001-03-15 Steve Ellcey <sje@cup.hp.com>
59 * config.gcc (ia64*-*-hpux*): New case.
60 * config/ia64/hpux.h: New file for HP-UX support.
61 * config/ia64/t-hpux: New file for HP-UX support.
63 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
65 * fixinc/inclhack.def (irix_stdio_va_list): New.
66 * fixinc/fixincl.x: Rebuilt.
68 2001-03-15 Richard Henderson <rth@redhat.com>
70 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
71 if provided by the target.
72 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
73 (dw2_asm_output_addr): New.
74 * dwarf2asm.h (dw2_asm_output_addr): Declare.
75 * dwarf2out.c (output_cfi): Use it for program addresses.
76 (output_call_frame_info, output_die): Likewise.
77 (output_aranges, output_line_info): Likewise.
79 2001-03-15 Bruce Korb <bkorb@gnu.org>
81 * gcc.c(main): make more rigorous
82 * collect2.c(main): guard against ignoring SIGCHLD
83 * protoize.c(main): ditto
84 * gcc/fixinc/fixincl.c(initialize): ditto
86 2001-03-15 Mark Mitchell <mark@codesourcery.com>
88 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
89 (sdbout_parms): Likewise.
91 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
93 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
94 "widen" a destination that is already wider than a word. Also do
95 not widen if LOAD_EXTEND_OP is NIL for the given mode.
97 2001-03-15 Bernd Schmidt <bernds@redhat.com>
99 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
101 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
103 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
105 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
107 * i960.h (i960_maxbitalignment,
108 i960_last_maxbitalignment): Declare.
109 * i960.c (i960_maxbitalignment,
110 i960_last_maxbitalignment): Make global.
111 (process_pragma): Delete.
112 (i960_pr_align, i960_pr_noalign): Move from here ...
113 * i960-c.c: ... to this new file.
114 * t-960bare (i960-c.o): New rule.
115 * t-vxworks960 (i960-c.o): Likewise.
116 * config.gcc (i960-*-*): Define c_target_objs and
117 cxx_target_objs.
119 2001-03-15 Bernd Schmidt <bernds@redhat.com>
121 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
122 without adding in rtx code and mode.
124 * alias.c (init_alias_analysis): Don't use any rtx whose value
125 varies as a known value.
126 Delete a superfluous test.
128 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
129 ia64_sched_reorder.
130 (ia64_sched_reorder): Call maybe_rotate; also rotate after
131 scheduling a stop bit.
132 (ia64_emit_nops): Correctly handle ASMs.
134 2001-03-15 Mark Mitchell <mark@codesourcery.com>
136 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
138 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
140 * cpp.texi: Update documentation for -include and -imacros.
141 * cppfiles.c (struct include_file): Remove "defined" memeber.
142 (find_or_create_entry): Make a copy of the file name, and
143 simplify it.
144 (open_file): Update to ensure we use the simplified filename.
145 (stack_include_file): Don't set search_from.
146 (cpp_included): Don't simplify the path name here.
147 (find_include_file): New prototype. Call search_from to
148 get the start of the "" include chain. Don't simplify the
149 filenames here.
150 (_cpp_execute_include): New prototype. Move diagnostics to
151 do_include_common. Update.
152 (_cpp_pop_file_buffer): Don't set defined.
153 (search_from): New prototype. Use the preprocessor's cwd
154 for files included from the command line.
155 (read_name_map): Don't simplify the pathname here.
156 * cpphash.h (enum include_type): New.
157 (struct buffer): Delete search from. New search_cached.
158 (_cpp_execute_include): Update prototype.
159 * cppinit.c (do_includes): Use _cpp_execute_include.
160 * cpplib.c (do_include_common): New function.
161 (do_include, do_include_next, do_import): Use it.
163 2001-03-14 Mark Mitchell <mark@codesourcery.com>
165 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
166 contents of the RTL, to determine the name of the object.
168 2001-03-14 Mark Mitchell <mark@codesourcery.com>
170 * tree.h (DECL_RTL): Allocate RTL lazily.
171 (SET_DECL_RTL): New macro.
172 (DECL_RTL_SET_P): Likewise.
173 (COPY_DECL_RTL): Likewise.
174 (DECL_RTL_IF_SET): Likewise.
175 * varasm.c (make_decl_rtl): Add assertions about the kind of
176 declaration we are processing.
177 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
178 (start_decl): Likewise.
179 (finish_decl): Likewise.
180 * c-semantics.c (emit_local_var): Likewise.
181 * calls.c (expand_call): Likewise.
182 * dbxout.c (dbxout_symbol): Likewise.
183 * emit-rtl.c (unshare_all_rtl): Likewise.
184 (unshare_all_decls): Likewise.
185 (reset_used_decls): Likewise.
186 * expr.c (store_constructor): Likewise.
187 (safe_from_p): Likewise.
188 (expand_expr): Likewise.
189 * function.c (put_var_into_stack): Likewise.
190 (instantiate_decls_1): Likewise.
191 (assign_parms): Likewise.
192 (expand_function_start): Likewise.
193 (expand_function_end): Likewise.
194 * ggc-common.c (gcc_mark_trees): Likewise.
195 * integrate.c (function_cannot_inline_p): Likewise.
196 (copy_decl_for_inlining): Likewise.
197 (expand_inline_function): Likewise.
198 (integrate_parm_decls): Likewise.
199 (integrate_decl_tree): Likewise.
200 * print-tree.c (print_node): Likewise.
201 * reg-stack.c (stack_result): Likewise.
202 * stmt.c (label_rtx): Likewise.
203 (expand_return): Likewise.
204 (expand_decl): Likewise.
205 (expand_decl_cleanup): Likewise.
206 (expand_anon_union_decl): Likewise.
207 * toplev.c (check_global_declarations): Likewise.
208 (rest_of_decl_compilation): Likewise.
209 * tree.c (simple_cst_equal): Likewise.
210 * objc/objc-act.c (generate_static_references): Likewise.
212 2001-03-14 Zack Weinberg <zackw@stanford.edu>
214 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
215 gcc_AC_C_FLOAT_FORMAT): New macros.
216 * configure.in: Add AC_PROG_CPP after CC tests;
217 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
218 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
219 * configure, config.in: Regenerate.
221 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
222 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
223 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
224 config/i370/xm-linux.h, config/i370/xm-oe.h,
225 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
226 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
227 config/pa/xm-linux.h, config/pa/xm-pa.h,
228 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
229 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
230 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
231 config/we32k/xm-we32k.h: Delete.
233 * config/i370/xm-mvs.h, config/m88k/m88k.h,
234 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
235 config/vax/xm-vms.h: Don't define any of:
236 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
238 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
240 * config.gcc: Remove references to deleted files.
241 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
242 FATAL_EXIT_CODE, which is the same between oe and mvs).
244 2001-03-14 DJ Delorie <dj@redhat.com>
245 Vladimir Makarov <vmakarov@redhat.com>
247 * config/i960/i960.c (i960_function_prologue): Compute size of
248 frame according to number of registers actually saved there.
250 2001-03-14 Richard Henderson <rth@redhat.com>
252 * expr.c (emit_move_insn_1): Fix else if around #endif.
254 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
255 Vojtech Pavlik
257 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
258 constraints.
260 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
262 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
263 (override_options): Parse cmodel string.
264 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
265 * i386.h (TARGET_OPTIONS): Add "cmodel".
266 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
267 (enum cmodel): New.
268 (ix86_cmodel_string, ix86_cmodel): Declare.
270 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
272 Spot by Matt Kraai:
273 * i386.h (GENERAL_REG_P): Add missing REG_P.
275 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
277 * configure.in: Use $gcc_cv_as instead of $as.
278 * configure: Regenerated.
280 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
282 * cppfiles.c (stack_include_file): Only increase the include
283 count if we actually process the file properly, as opposed
284 to treating it as length zero. Only call read_include_file
285 if not DO_NOT_REREAD. Handle the -H include file output
286 here.
287 (read_include_file): Remove now redundant DO_NOT_REREAD check.
288 (cpp_included, find_include_file): Simplify pathnames after
289 remapping them. If remapping, don't use the remapped file
290 name's buffer as our scratch buffer.
291 (cpp_pop_file_buffer): Replace the multiple include macro
292 only if it isn't yet set.
293 (read_name_map): Simplify remapped names when reading in.
294 (remap_filename): Move code to code path that uses it.
295 (_cpp_simplify_pathname): Return the input pointer.
296 * cpphash.h (_cpp_simplify_pathname): Update prototype.
298 2001-03-14 Mark Mitchell <mark@codesourcery.com>
300 * expr.c (expand_expr): Revove bogus conditional.
302 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
304 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
306 2001-03-14 Jakub Jelinek <jakub@redhat.com>
308 * reg-stack.c (stack_result): Unconditionally use
309 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
311 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
313 * expr.c (emit_move_insn_1): Split push of complex value when
314 no suitable push instruction exist.
316 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
317 instead of QI_REG_P.
319 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
321 * alias.c (handled_component_p, can_address_p): New functions.
322 (get_alias_set): Use them.
324 2001-03-13 Jim Wilson <wilson@redhat.com>
326 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
327 from 80 in try_locals code.
328 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
330 2001-03-13 Zack Weinberg <zackw@stanford.edu>
332 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
333 gcc_AC_C_LONG_LONG): New.
334 * configure.in: Use them. Probe the size of short, int, long,
335 and long long/__int64 if we have them. Move all the AC_C_*
336 checks together, except gcc_AC_C_CHAR_BIT which has to go
337 after AC_CHECK_HEADERS(limits.h).
338 Take hwint.h out of host_xm_file and build_xm_file.
340 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
341 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
342 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
343 Move the HOST_WIDEST_INT setup logic here from system.h.
344 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
345 defined.
346 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
347 is now handled by hwint.h.
349 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
350 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
351 config/ia64/xm-ia64.h: Don't define any of:
352 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
353 HOST_BITS_PER_LONGLONG.
355 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
356 config/h8300/xm-h8300.h, config/mips/iris6.h,
357 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
358 config/sparc/xm-sp64.h: Delete.
359 * config.gcc: Remove references to deleted files.
361 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
362 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
363 * config/i370/xm-linux.h: Clarify floating-point situation in
364 a comment.
366 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
368 * cppfiles.c (NO_INCLUDE_PATH): New macro.
369 (find_include_file): Decide here which part of the include
370 chain to start the search. Complain about an empty include
371 chain in all cases apart from an abolsute file name.
372 (_cpp_execute_include): Don't choose the search chain here.
373 Don't call handle_missing_include in the case of an empty
374 include chain.
375 (_cpp_compare_file_date): Don't choose the search chain here.
376 * cpplib.c (do_include_next): Move the in-main-file diagnostic
377 here from _cpp_execute_include. Behave like #include if
378 we're in the main file.
380 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
382 * system.h (malloc, realloc, calloc, strdup): Only poison these
383 tokens when IN_GCC is defined.
385 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
387 * i386.md (abs?f expander): Support SSE case.
388 (abd?f_if): Add new "USE"; add splitters.
390 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
392 * cpp.texi (poison): Explain the macro expansion exception.
394 2001-03-13 Jakub Jelinek <jakub@redhat.com>
396 * expr.c (store_expr): Add dont_store_target. If temp is already in
397 target before copying to reg, don't store it into target again.
399 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
401 * cppinternals.texi: Update for file handling.
403 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
405 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
406 2001-02-24 which broke building the Java library.
407 * function.c (identify_blocks): Likewise.
408 (all_blocks): Likewise.
409 * integrate.c (integrate_decl_tree): Likewise.
410 * print-tree.c (print_node): Likewise.
411 * tree.h (BLOCK_NUMBER): Likewise.
412 (struct tree_block): Likewise.
414 2001-03-12 David Edelsohn <edelsohn@gnu.org>
416 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
417 __WCHAR_TYPE__ definition.
418 (WCHAR_TYPE_SIZE): #undef before #define.
420 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
422 * cppfiles.c: Update comments.
423 (destroy_include_file_node): Rename destroy_node.
424 (find_or_create_entry): New function.
425 (open_file, _cpp_fake_include): Use it.
426 (handle_missing_header): New function, broken out of
427 _cpp_execute include. Don't segfault if there is no
428 system or quoted path.
429 (_cpp_execute_include): Use handle_missing_header.
431 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
433 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
434 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
436 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
438 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
439 unless anti_dependence says they are.
440 * alias.c (objects_must_conflict): If neither has a type specified,
441 they must conflict.
443 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
444 David Billinghurst <David.Billinghurst@riotinto.com>
446 * config/mips/iris5.h: Change WCHAR_TYPE to int.
448 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
450 * i386.md (trunctfdf2_2): Rename missnamed pattern.
451 (*_one_bit): Remove type on the match_operand in attributes.
453 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
455 * i386.c: Commit forgotten hunk in previous patch.
456 (regclass_map): Add extended registers.
457 (dbx_register_map): Add missing frame register.
459 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
461 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
463 * i386.md (x86_sahf_1): Disable for 64bit.
464 (popsi*, pophi*): Likewise.
465 (pushqi, pushhi): Likewise.
466 (movdi, pushdi): Likewise.
467 (zero extend DImode splitter): Likewise.
468 (adddi, minusdi splitter): Likewise.
469 (umulsidi): Likewise.
470 (umulsi): New.
471 (mulsidi): Disable for 64bit
472 (lshift:DI/ashift:DI): Disable for 64bit.
473 (loop patterns): Likewise.
474 (call_pop, call_value_pop expanders and patterns): Likewise.
475 (prologue_get_pc): Likewise.
476 (leave): Likewise.
477 (fcmovDI pattern and splitter): Likewise.
478 (movdfcc_1_rex64): New.
480 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
482 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
483 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
484 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
485 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
486 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
487 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
488 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
489 (PUSH_ROUNDING): x86_64 rounds to 64bits.
490 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
491 (REGPARM_MAX): Set to 6 for x86_64.
492 (SSE_REGPARM_MAX): Set to 16 for x86_64.
493 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
494 registers.
496 * (patterns that does use upper halves): Update constraints
497 'q' to 'Q' and 'r' to 'R'.
498 (cmpqi_ext_1): Disable for 64bit.
499 (cmpqi_ext_3_insn): Likewise.
500 (movqi_extzv_1): Likewsie.
501 (addqi_ext_1): Liekwsie
502 (testqi_ext_1): Liekwsie
503 (andqi_ext_1): Liekwsie
504 (xorqi_ext_1): Liekwsie
505 (cmpqi_ext_1_rex64): New.
506 (cmpqi_ext_3_insn_rex64): Likewise.
507 (movqi_extzv_1_rex64): Likewsie.
508 (addqi_ext_1_rex64): Liekwsie
509 (testqi_ext_1_rex64): Liekwsie
510 (andqi_ext_1_rex64): Liekwsie
511 (xorqi_ext_1_rex64): Liekwsie
513 2001-03-11 Zack Weinberg <zackw@stanford.edu>
515 * configure.in: Move check for unsigned enumerated bitfields
516 to macro in aclocal.m4. Disable it for now.
517 * configure, config.in: Regenerate.
518 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
519 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
520 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
521 kind above its first use.
523 * config/xm-interix.h, config/alpha/xm-alpha.h,
524 config/i370/xm-linux.h, config/i386/xm-beos.h,
525 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
526 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
527 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
528 Don't define ONLY_INT_FIELDS under any circumstances.
530 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
532 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
533 config/sparc/xm-sysv4.h: Delete - now identical with some
534 other xm header.
535 * config.gcc (hppa targets): Replace xm-pahpux.h and
536 xm-papro.h with implicit xm-pa.h.
537 (sparc targets): Replace xm-sysv4.h with implicit or explicit
538 xm-sparc.h.
540 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
542 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
543 before reload_cse_noop_set_p.
545 2001-03-11 Zack Weinberg <zackw@stanford.edu>
547 * config.gcc: Where xm-host.h used to include another
548 xm-host.h, list the nested header directly in xm_file. Remove
549 references to deleted files. Can now use sparc/xm-sp64.h for
550 sparcv9-*-solaris*.
552 * config/xm-linux.h, config/arm/xm-linux.h,
553 config/i386/xm-dos.h, config/i386/xm-gnu.h,
554 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
555 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
556 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
557 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
558 Delete.
560 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
561 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
562 bother to wrap #undef in #ifdef.
563 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
564 Don't include xm-linux.h.
565 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
567 * configure.in: Wrap regexps using [] in changequote block.
568 Use expr : not echo | grep. Simplify regexps.
569 * configure: Regenerate.
571 56 xm-files remain, 22 xm-arch.
573 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
575 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
576 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
577 (local_index, local_rindex): Delete, use strchr/strrchr instead.
578 (copy_object): Fix format specifier vs argument mismatch.
580 * mips-tdump.c: Make local functions static.
581 (rindex): Don't #undef.
582 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
583 (fatal, fancy_abort): Delete.
584 (read_seek): Avoid signed/unsigned compare.
586 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
588 * combine.c (try_combine): Fix error in change to try original
589 register.
590 (gen_rtx_combine): Do same as gen_rtx for now.
592 2001-03-11 Zack Weinberg <zackw@stanford.edu>
594 * configure.in: AC_SUBST xm_defines.
595 * configure: Regenerate.
596 * Makefile.in: Set DEFINES=$(xm_defines) when building
597 tconfig.h.
599 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
601 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
602 (cpp_included, find_include_file): Update.
603 (_cpp_compare_file_date): Make else unconditional.
605 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
607 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
609 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
611 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
612 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
614 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
616 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
617 if it's a record type.
619 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
621 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
622 mingw includes slightly.
624 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
626 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
627 #undef token before poisoning it.
629 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
631 * alpha.c (check_float_value): Use memcpy, not bcopy.
633 * m32r.c (m32r_sched_reorder): Likewise.
635 * vax.c (check_float_value): Likewise.
637 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
639 * toplev.c (file_name_nondirectory): Remove.
640 * toplev.h: Similarly.
641 * dwarf2out.c (compute_section_prefix): Use lbasename instead
642 of file_name_nondirectory.
644 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
646 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
647 * mips-tfile.c: Don't #undef rindex; not used.
649 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
651 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
652 (dbx64_register_map): Declare.
653 (RETURN_ADDR_RTX): Fix for 64bit.
654 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
655 (INCOMING_FRAME_SP_OFFSET): Set to 8.
656 * i386.c (dbx64_register_map): New global array.
657 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
658 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
659 for 64bits.
661 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
663 * cppfiles.c (search_from): Use lbasename.
664 * mkdeps.c (deps_add_default_target): Use lbasename.
666 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
668 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
669 xcalloc in lieu of malloc, realloc & calloc.
671 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
673 * gengenrtl.c (xmalloc): Likewise.
675 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
676 really_call_* memory allocation routines.
678 * stmt.c (check_for_full_enumeration_handling): Use
679 really_call_calloc, not calloc.
681 * system.h (really_call_malloc, really_call_calloc,
682 really_call_realloc): Define.
683 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
685 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
687 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
689 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
691 * configure: Rebuilt.
692 * configure.in: Only use `lang_requires' for languages athat are
693 actually enabled.
695 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
697 * invoke.texi: Fix typo.
698 * gcc.1: Regenerate.
700 2001-03-09 Zack Weinberg <zackw@stanford.edu>
702 * configure.in: Prune nonexistent files from build_xm_file,
703 xm_file, and host_xm_file lists. Warn unless they're
704 $cpu/xm-$cpu.h.
705 Don't generate *config.h here.
706 AC_SUBST all variables needed to generate *config.h.
707 * configure: Regenerate.
708 * mkconfig.sh: New helper script, from code removed from
709 configure.in.
710 * Makefile.in: Zap all MALLOC variables - no longer used
711 anywhere, and malloc.c doesn't exist.
712 Substitute in variables needed to generate *config.h.
713 Stop lying about the dependencies contained in CONFIG_H and
714 GCONFIG_H.
715 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
716 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
717 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
718 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
719 $(TM_P_H), etc. as appropriate.
721 * config.gcc: Zap references to deleted files.
722 * ggc-none.c: Don't include rtl.h or tm_p.h.
724 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
725 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
726 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
727 config/i386/xm-linux.h, config/i386/xm-linux.h,
728 config/i386/xm-next.h, config/i386/xm-openbsd.h,
729 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
730 Don't include i386/xm-i386.h.
732 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
733 config/i386/xm-i386.h, config/i860/xm-i860.h,
734 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
735 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
736 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
737 Delete (empty except comments, #includes of other deleted
738 files, and macros used nowhere).
740 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
742 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
743 independent on TARGET_FLAGS.
745 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
747 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
749 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
750 extended ones.
751 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
752 TARGET_64BIT.
753 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
754 LAST_REX_SSE_REG): define.
755 (enum reg_class): Add 'LEGACY_REGS'
756 (REG_CLASS_CONTENTS): Likewise; add extended registers.
757 (SSE_REGNO_P): Recognize extended registers.
758 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
759 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
760 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
761 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
762 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
763 REG_OK_FOR_STRREG_P): Remove.
764 (HI_REGISTER_NAMES): Add extended registers.
765 (ADDITIONAL_REGISTER_NAMES): Likewise.
766 (QI_REGISTER_NAMES): Add 8bit extended registers.
767 (DEBUG_REG): Support extended registers.
768 * i386.c (regclass_map): Add extended registers.
769 (dbx_register-map): Likewise.
770 (svr4_dbx_register_map): Likewise.
771 (print_reg): Support extended registers.
772 (print_operand): Support 64bit operands.
774 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
776 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
777 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
778 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
779 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
780 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
781 STACK_BOUNDARY): Set properly for 64bits.
782 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
783 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
784 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
785 (MOVE_MAX): Set to 16.
786 (MOVE_MAX_PIECES): 8 for 64bit.
787 (Pmode): Set to SImode.
789 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
791 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
793 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
795 * i386.h (mask_64bit): New constant.
796 (target_64bit): New macro.
797 (target_options): Add '64'/'32'
798 (target_default): Define.
799 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
800 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
801 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
803 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
805 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
807 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
809 * rtlanal.c (rtx_varies_p): Check operand 0 of a
810 LO_SUM unless for_alias is set.
812 2001-03-08 Stan Shebs <shebs@apple.com>
814 * objc/objc-act.c: Fix old typos in comments, add comments for
815 various functions.
816 (hash_init): Fix file name in error message.
817 (hash_enter): Ditto.
818 (hash_add_attr): Ditto.
819 (continue_class): Ditto.
821 2001-03-08 Bruce Korb <bkorb@gnu.org>
823 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
824 wait4() can receive the signal.
826 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
828 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
829 entities.
830 * fixinc/fixincl.x: Regenerate.
832 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
834 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
835 on Tru64 UNIX.
836 * fixinc/fixincl.x: Regenerate.
838 2001-03-08 Richard Henderson <rth@redhat.com>
840 * configure.in (HAVE_AS_LEB128): New assembler check.
841 * configure, config.in: Rebuilt.
843 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
845 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
846 TFmode too.
848 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
850 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
851 references to the MAXPATHLEN macro.
853 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
854 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
855 the POSIX macro.
857 * config/i386/xm-gnu.h, config/xm-gnu.h,
858 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
859 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
860 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
861 and/or unused files.
863 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
864 doing so in various xm-*.h files.
866 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
868 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
870 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
872 * configure.in (enable_shared): Support per-package shared-library
873 enabling.
874 * configure: Rebuilt.
876 2001-03-07 David Edelsohn <edelsohn@gnu.org>
878 * rs6000.md (cr logic): Add original POWER mnemonic alternative
879 for crnot. Set operands[5] in splitter.
881 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
883 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
884 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
885 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
886 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
887 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
888 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
889 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
890 to the USG macro.
892 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
893 config/i370/xm-i370.h, config/i386/xm-dgux.h,
894 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
895 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
896 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
897 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
898 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
899 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
900 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
901 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
902 Delete unused and/or empty files.
904 * config.gcc: Define USG in xm_defines as appropriate. Define
905 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
906 macro. Remove deleted xm-* files from $xm_files variable.
908 2001-03-07 Tom Tromey <tromey@redhat.com>
910 * configure: Rebuilt.
911 * configure.in: Allow config-lang.in to set `lang_requires' to list
912 of other required languages.
914 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
916 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
917 after its emitted.
918 (output_prologue): Use xmalloc not oballoc.
919 (output_epilog): Free a29k_first_epilogue_insn when finished.
920 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
922 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
924 * builtins.c (expand_builtin_mathfn): Check
925 flag_unsafe_math_optimizations, not flag_fast_math.
926 (expand_builtin): Likewise
927 * combine.c (combine_simplify_rtx): Likewise.
928 (simplify_if_then_else): Likewise.
929 * cse.c (fold_rtx): Likewise.
930 * flags.h: Remove flag_fast_math. Add
931 flag_unsafe_math_optimizations and flag_trapping_math.
932 * fold-const.c (negate_expr): Check
933 flag_unsafe_math_optimizations, not flag_fast_math.
934 (invert_truthvalue): Likewise.
935 (fold): Likewise. Before associating operands, check that
936 code == MULT_EXPR, not code != MULT_EXPR.
937 * ifcvt.c (noce_try_minmax): Check
938 flag_unsafe_math_optimizations, not flag_fast_math.
939 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
940 * invoke.texi: Document -funsafe-math-optimizations and
941 -fno-trapping-math. Change documentation for -ffast-math.
942 * jump.c (reversed_comparison_code_parts): Likewise.
943 (rtx_equal_for_thread_p): Likewise.
944 * optabs.c (emit_conditional_move): Likewise.
945 * simplify-rtx.c (simplify_binary_operation): Likewise.
946 (simplify_relational_operation): Likewise.
947 (simplify_ternary_operation): Likewise.
948 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
949 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
950 Add trapping-math and unsafe-math-optimizations entries to f_options.
951 (set_fast_math_flags): New, sets flags for -ffast-math.
952 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
953 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
954 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
956 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
957 (alpha_emit_conditional_move): Initialize local_fast_math to
958 flag_unsafe_math_optimizations, not flat_fast_math.
959 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
960 instead of setting flag_fast_math to 1.
961 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
962 not flag_fast_math.
963 * config/i386/i386.c (override_options): Likewise
964 * config/i386/i386.md: Likewise.
965 * config/m68k/m68k.md: Likewise.
966 * config/mips/mips.md: Likewise.
967 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
968 (rs6000_generate_compare): Likewise.
970 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
972 * Makefile.in: Set RANLIB to @RANLIB@.
973 Remove RANLIB_TEST.
975 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
977 * fixinc/inclhack.def (djgpp_wchar_h): New test.
978 * fixinc/fixincl.x: Regenerated.
980 2001-03-07 Richard Henderson <rth@redhat.com>
982 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
984 2001-03-07 Richard Henderson <rth@redhat.com>
986 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
987 of block notes and exception handling notes.
989 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
990 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
991 (compile_file): ... here.
993 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
995 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
997 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
998 config.h now. Include libiberty.h to handle alloca.
1000 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1002 * c-parse.in (yylexname): New function, split out of _yylex.
1003 (objc_rid_sans_at): New table.
1004 (init_reswords): Initialize it.
1005 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
1006 retrieving the next token and checking it for significance as
1007 an ObjC keyword or string constant.
1009 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
1010 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
1012 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
1013 to CPP_OSTRING.
1015 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
1017 * config/m68k/m68k.c (const_uint32_operand): Accept any
1018 const_int on a 32-bit host.
1020 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
1022 * objc/objc-act.c (init_objc): Set save_lang_status,
1023 restore_lang_status, and mark_lang_status.
1025 2001-03-06 Krister Walfridsson <cato@df.lth.se>
1027 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
1029 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
1031 * cppinternals.texi: Update.
1033 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1035 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1036 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
1037 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
1038 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1039 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
1040 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1041 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
1042 config/i386/xm-i386.h, config/i860/xm-i860.h,
1043 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1044 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
1045 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1046 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1047 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1048 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1049 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
1050 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1051 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
1052 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1053 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1054 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
1055 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
1056 match the defaults provided in hwint.h.
1058 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1059 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
1061 * config.gcc (xm_file): Don't set to files which are deleted.
1063 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
1064 guard this file against these macros being undefined.
1066 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1068 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
1069 and DECL_DEFER_OUTPUT on the decl we create, before calling
1070 rest_of_decl_compilation.
1072 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1074 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
1075 AC_FUNC_ALLOCA.
1076 * configure, config.in: Regenerate.
1077 * config.gcc: Remove references to deleted files.
1079 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
1080 genrecog.c, rtl.c: Do not use alloca anywhere.
1082 * Makefile.in, build-make, system.h, config/x-interix,
1083 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
1084 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
1085 config/arc/xm-arc.h, config/arm/xm-arm.h,
1086 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1087 config/h8300/xm-h8300.h, config/i370/x-oe,
1088 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
1089 config/i386/x-ncr3000, config/i386/x-sco5,
1090 config/i386/xm-dgux.h, config/i860/x-sysv4,
1091 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
1092 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
1093 config/m68k/x-hp320g, config/m69k/x-mot3300,
1094 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
1095 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
1096 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
1097 config/m88k/x-sysv4, config/m88k/x-tekXD88,
1098 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1099 config/mips/x-iris, config/mips/x-iris3,
1100 config/mips/x-sni-svr4, config/mips/x-sysv,
1101 config/mips/xm-iris6.h, config/mips/xm-mips.h,
1102 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
1103 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
1104 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1105 config/pa/xm-papro.h, config/romp/xm-romp.h,
1106 config/rs6000/x-aix31, config/rs6000/x-aix41,
1107 config/rs6000/x-beos, config/rs6000/x-lynx,
1108 config/rs6000/x-mach, config/rs6000/x-rs6000,
1109 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
1110 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1111 config/sparc/x-sysv4, config/sparc/xm-linux.h,
1112 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
1113 config/vax/xm-vms.h: Eradicate all references to alloca and
1114 related stuff.
1116 * config/xm-alloca.h, config/clipper/x-clix,
1117 config/i386/xm-sysv4.h, config/i860/x-fx2800,
1118 config/i860/x-sysv3, config/m88k/x-sysv3,
1119 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
1120 (contained only alloca related hacks).
1122 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
1123 USE_C_ALLOCA.
1125 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
1127 * invoke.texi: Document __FAST_MATH__.
1129 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1131 * crtstuff.c: Restore include of auto-host.h.
1133 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
1135 Put main() in a separate file, so that the language
1136 front-end can use a different main().
1138 * main.c: New.
1139 * toplev.c: (main): Rename as toplev_main.
1140 * toplev.h: Declare toplev_main.
1141 * Makefile.in (OBJS): add toplev.o.
1142 (BACKEND): remove toplev.o, add main.o.
1144 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1146 * cppfiles.c (search_from): Special case the empty string.
1148 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1150 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
1151 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1152 strlen or strcpy; we already know the length.
1153 (_cpp_compare_file_date): Similarly.
1154 * cpphash.h (struct cpp_reader): Delete done_initialising.
1155 (CPP_PREV_BUFFER): Delete.
1156 * cppinit.c (cpp_start_read): Don't set done_initialising.
1157 * cpplex.c (parse_string): Guarantee null-termination.
1158 (_cpp_equiv_toklists): Remove.
1159 * cpplib.c (glue_header_name): Null-terminate.
1160 (do_line): Don't leak memory.
1161 * cpplib.h (BT_WEAK): Delete.
1162 * cppmain.c (cb_ident): Strings are now null-terminated.
1164 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
1166 * gcc.c (convert_filename): Append executable suffix
1167 if NO_AUTO_EXE_SUFFIX is not defined.
1168 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
1169 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
1171 2001-03-03 David O'Brien <obrien@FreeBSD.org>
1173 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1174 * c-parse.gperf, c-gperf.h: Delete.
1175 (c-gperf.h was accidently re-added to the CVS repo in the rev
1176 1.16 commit by tromey)
1178 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1180 * cpplex.c (_cpp_lex_token): Don't warn about directives in
1181 macro arguments when looking for the '('.
1182 * cppmacro.c (funlike_invocation_p): Set parsing_args to
1183 2 when really parsing arguments; 1 when looking for '('.
1184 Always restore the lexer position.
1186 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1188 * longlong.h (umul_ppmm): Don't use a multiline string.
1190 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1192 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
1193 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
1194 t_bool in declaration because pcc can't combine volatile with typedef
1195 types.
1197 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
1199 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
1200 until when it is really needed.
1201 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
1202 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
1203 * i386.md (float?i?f splitter): Don't force source operand to memory
1204 for SSE.
1205 (sse_movdfcc): Fix constraint.
1206 (sse_movdfcc splitter): Handle properly the second alternative.
1208 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1210 * cpplex.c (parse_string): Unconditionally pedwarn.
1212 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1214 * cpp.texi: Update.
1215 * cppexp.c (parse_number): Update.
1216 * cpplex.c (parse_string): Pedwarn if multiline string does not
1217 result from a system header's macro.
1218 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
1219 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
1220 for function-like macros too.
1221 * c-lex.c (lex_number): Update.
1223 2001-03-03 Richard Henderson <rth@redhat.com>
1225 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
1227 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
1229 * combine.c (try_combine): If split with mode-changed scratch
1230 register didn't work, try the original mode.
1232 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
1234 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
1235 * config/c4x/c4x.h: Likewise.
1236 * stor-layout.c (compute_record_mode): Likewise.
1237 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
1239 2001-03-02 Zack Weinberg <zackw@stanford.edu>
1241 * configure.in: Kill tm.h. Include the files in the $tm_file
1242 list in all three of config.h, hconfig.h, tconfig.h, after the
1243 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
1244 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
1245 * configure: Regenerate.
1246 * Makefile.in (clean): Don't delete tm.h.
1248 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
1249 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
1250 those are not defined, set SEC and FEC to 0 and 1.
1251 * gcc.texi: Update to match.
1253 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
1254 * config/fp-bit.c, config/m68k/aux-crt2.asm,
1255 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
1256 Include tconfig.h, not tm.h.
1258 * config/xm-lynx.h, config/xm-std32.h,
1259 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1260 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1261 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1262 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1263 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1264 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1265 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1266 config/i386/xm-i386.h, config/i860/xm-i860.h,
1267 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1268 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1269 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1270 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1271 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1272 config/pa/xm-linux.h, config/pa/xm-pa.h,
1273 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1274 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1275 config/pj/xm-pj.h, config/romp/xm-romp.h,
1276 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1277 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1278 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1279 config/v850/xm-v850.h, config/vax/xm-vax.h,
1280 config/we32k/xm-we32k.h:
1281 Don't include tm.h.
1282 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1284 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1285 config/i370/xm-oe.h: Don't include tm.h. Don't define
1286 SUCCESS_EXIT_CODE.
1287 * config/vax/xm-vms.h: Don't include tm.h.
1289 * config/xm-lynx.h, config/avr/xm-avr.h,
1290 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1291 Delete; made empty by above changes.
1292 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1293 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1294 Don't include config/xm-lynx.h or tm.h.
1296 * config/xm-gnu.h: Don't include fcntl.h.
1297 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1298 sys/wait.h.
1299 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1301 2001-03-02 Richard Henderson <rth@redhat.com>
1303 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1304 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1306 2001-03-02 Richard Henderson <rth@redhat.com>
1308 * Makefile.in (OBJS): Add dwarf2asm.o.
1309 * dwarf2asm.c, dwarf2asm.h: New files.
1310 * dwarf2out.c (*): Use them.
1311 (size_of_uleb128, size_of_sleb128): Remove.
1312 (output_uleb128, output_sleb128): Remove.
1313 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1314 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1315 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1316 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1317 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1318 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1319 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1320 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1321 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1322 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1323 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1324 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1325 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1326 (dwarf2out_frame_debug): Remove unused variables.
1327 (output_loc_operands): Don't abort on 8 byte constants if
1328 host integers are wide enough.
1329 (output_symbolic_ref): Remove.
1330 (size_of_die): Don't assume 4 byte host integers.
1331 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1332 and end labels.
1333 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1334 something stupid with HOST_WIDE_INT to long truncation.
1335 [CONST_DOUBLE]: Likewise.
1337 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1338 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1339 * config/arm/unknown-elf.h: Likewise.
1340 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1341 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1342 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1343 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1344 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1345 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1346 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1347 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1348 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1349 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1350 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1351 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1353 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1355 * cselib.c (hash_rtx): Cast enums to unsigned int.
1357 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1359 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1360 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1361 shifts.
1362 * c-format.c (C_STD_VER): Cast to int for comparisons.
1363 (check_function_format): Cast various enums to int for &.
1364 (maybe_read_dollar_number): Likewise.
1365 (check_format_info): Likewise.
1366 (check_format_info_main): Likewise.
1367 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1368 (safe_from_p): Likewise.
1369 * varasm.c (const_hash): Cast enum to int for %.
1370 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1371 pcc enum problems with < and ++ operators.
1372 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1373 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1374 (regclass_init): Change enum class to int to iterate over reg_classes.
1375 * genrecog.c (merge_trees): Cast enums for comparison.
1376 * rtl.h (GET_CODE): Cast to enum rtx_code.
1377 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1378 (GET_MODE): Cast to enum machine_mode.
1379 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1380 (GET_NOTE_INSN_NAME): Cast enum to int.
1381 * tree.h (TREE_CODE): Cast to enum tree_code.
1382 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1383 * timevar.c (timevar_print): Change loop variable id from enum to
1384 unsigned int.
1385 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1386 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1387 * toplev.c (compile_file): Cast enum DFI to int.
1388 (decode_d_option): Likewise.
1390 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1392 * cppinit.c (append_include_chain): Mark "after" include file name list
1393 as a system directory.
1394 * cpp.texi: Document new behavior.
1396 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1398 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1400 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1402 * cppfiles.c (struct include_file): Update.
1403 (stack_include_file): Use search_from.
1404 (cpp_included, find_include_file): Update.
1405 (cpp_execute_include): Update. ptr->name may not be
1406 null terminated. Use the new search_from member variable
1407 of cpp_buffer.
1408 (_cpp_compare_file_date): Similarly.
1409 (search_from): New function, similiar to actual_directory.
1410 (actual_directory): Delete.
1411 (remap_filename): Update. loc->name may not be null terminated.
1412 (struct file_name_list): Rename search_path. Update.
1413 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1414 search_from and dir.
1415 (struct cpp_reader): Remove actual_dirs.
1416 * cppinit.c (struct cpp_pending): Update for renamed objects.
1417 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1418 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1419 * cpplib.h (struct cpp_options): Similarly.
1421 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1423 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1424 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1425 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1426 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1427 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1428 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1429 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1430 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1431 config/i370/xm-oe.h, config/i386/xm-aix.h,
1432 config/i386/xm-i386.h, config/i386/xm-osf.h,
1433 config/i860/xm-i860.h, config/i960/xm-i960.h,
1434 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1435 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1436 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1437 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1438 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1439 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1440 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1441 config/pj/xm-pj.h, config/romp/xm-romp.h,
1442 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1443 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1444 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1445 config/v850/xm-v850.h, config/vax/xm-vax.h,
1446 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1447 Do not define TRUE or FALSE.
1449 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1450 empty by above change.
1451 * config.gcc: Remove references to these files.
1453 * configure.in: Detect stdbool.h.
1454 * configure, config.in: Regenerate.
1455 * system.h: Include stddef.h here if available.
1456 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1457 Then set up a sensible boolean type at the very end.
1459 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1460 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1462 * hash.h: Delete 'boolean' typedef and related #undefs.
1464 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1465 all uses of 'boolean' with 'bool'.
1467 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1469 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1470 * cppexp.c (lex): Cast enums for comparison.
1471 * cppinit.c (parse_option): Cast enum for comparison.
1472 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1473 (cpp_output_token): Likewise.
1474 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1475 (cpp_avoid_paste): Cast enums for minus and comparison.
1477 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1479 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1480 field to all array elements.
1482 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1484 * cpphash.h (struct cpp_reader): Add print_version field.
1485 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1486 just set print_version and other flags as appropriate.
1487 (cpp_post_options): Print version here if print_version is set.
1489 * toplev.c (exit_after_options): New flag.
1490 (independent_decode_option): Don't exit here; just set
1491 exit_after_options.
1492 (main): Exit after calling lang_hooks.post_options if
1493 exit_after_options is true.
1495 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1496 (merge_include_chains): Adjust comment to match code.
1498 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1500 * stringpool.c (set_identifier): New function.
1501 * tree.h: Prototype it.
1503 * c-parse.in: Kill D_YES. If compiled for objc, call
1504 save_and_forget_protocol_qualifiers from init_reswords.
1505 * objc/objc-act.c (remember_protocol_qualifiers,
1506 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1507 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1508 vice versa.
1509 (save_and_forget_protocol_qualifiers): New function.
1510 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1512 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1514 * c-semantics.c (prune_unused_decls): Return error_mark_node
1515 instead of (tree) 1 to stop traversing the tree chain.
1517 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1519 Fix a problem introduced by Kenner's Feb 18 change.
1520 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1521 flag_cse_skip_blocks only temporarily, not for ever.
1523 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1525 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1526 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1528 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1529 before determining its register class.
1531 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1533 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1534 from reg 4 if current_function_calls_setjmp.
1535 (gen_nop_type): New function.
1536 (ia64_emit_nops): New function.
1537 (ia64_reorg): Call it.
1538 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1540 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1541 code not to try to optimize adds with anything but a REG destination.
1543 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1544 (INSN_PRIORITY_KNOWN): New accessor macro.
1545 * haifa-sched.c (priority): Use it instead of testing priority against
1546 zero.
1548 2001-02-28 DJ Delorie <dj@redhat.com>
1550 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1551 since that doesn't work the way gcc wants on a generic m68k.
1553 2001-02-28 Richard Henderson <rth@redhat.com>
1555 * caller-save.c (save_call_clobbered_regs): Fix typo in
1556 comparison last change.
1558 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1560 * i386.c (pentium4_cost): New.
1561 (m_PENT4): New macro.
1562 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1563 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1564 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1565 x86_memory_mismatch_stall): Add Pentium4
1566 (x86_use_q_reg, x86_use_any_reg): Kill.
1567 (override_options): Add pentium4.
1568 (incdec_operand): Return 0 for pentium4.
1569 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1570 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1571 (TARGET_PENTIUM4): Define.
1572 (enum processor_type): Add PROCESSOR_PENTIUM4.
1573 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1574 * i386.md (attribute "cpu"): Add pentium4.
1575 * invoke.texi (march): Add pentium4.
1577 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1579 * i386.md (sse_mov?fcc*): New patterns and splitters.
1580 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1581 the SSE based conditional moves.
1583 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1585 * i386.md (attribute mode): Add "TI".
1586 (movsf_1): Add pxor support; remove constant propagation splitter.
1587 (movdf_integer): Likewise.
1588 (movdf_nointeger): Likewise.
1589 (movxf constant prop splitter): Handle all modes; update for SSE.
1590 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1591 * i386.c (standard_80387_constant_p): Rewrite.
1592 (standard_sse_constant_p): New.
1593 * i386-protos.h (standard_sse_constant_p): New.
1595 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1597 * i386.md (sse_setccsf, sse_setccdf): New.
1598 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1599 flag directly.
1600 * i386.c (sse_comparison_operator): Accept the supported unordered
1601 comparses; be ready for fast_math.
1602 (print_operand): Support 'D'.
1604 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1606 * jump.c (reversed_comparison_code): Kill.
1608 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1610 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1611 for STACK_REGS
1613 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1615 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1616 add missing '%' in constraints.
1618 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1620 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1621 for HOST_BITS_PER_WIDE_INT == 32 too.
1623 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1625 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1626 NREGS.
1627 (insert_save, insert_restore): New parameter save_mode.
1628 (init_caller_save): Update initialization of reg_save_code
1629 and reg_restore_code.
1630 (save_call_clobbered_regs): Compute save_modes and update calls to
1631 reg_save_code and reg_restore_code.
1632 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1633 of spill; update use of reg_restore_code.
1634 (insert_save): Likewise.
1635 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1636 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1637 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1639 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1641 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1642 noce_try_store_flag_inc, noce_try_store_flag_mask,
1643 noce_try_cmove_arith):
1644 Use reversed_comparison_code instead of reverse_comparison and
1645 can_reverse_comparison_p.
1647 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1649 * jump.c (reversed_comparison_code_parts): Allow reversal of
1650 unordered compares in -ffast-math mode; reverse ordered compares
1651 for FP even w/o -ffast-math.
1653 2001-02-27 Richard Henderson <rth@redhat.com>
1655 * print-rtl.c (print_rtx) [i]: Don't print field five on
1656 NOTEs other than NOTE_INSN_DELETED_LABEL.
1658 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1660 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1661 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1663 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1665 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1666 even if walk_subtrees is 0.
1667 * c-semantics.c (prune_unused_decls): Return a non-null value to
1668 stop traversing the tree chain.
1670 2001-02-27 DJ Delorie <dj@redhat.com>
1672 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1673 register, *then* define it as the new CFA.
1675 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1677 * pa.c (override_options): Promote -fpic to -fPIC.
1678 (legitimize_pic_address): Simplify due to removal of
1679 small PIC as a code generation option.
1680 (secondary_reload_class): Similarly.
1681 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1682 (PRINT_OPERAND_ADDRESS): Similarly.
1683 * pa.md (various patterns): Similarly.
1684 (small pic lo_sum pattern): Remove.
1686 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1687 Fergus Henderson
1689 * md.texi (min, max): Document
1691 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1693 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1694 TARGET_PARTIAL_REG_DEPENDENCY.
1695 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1697 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1699 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1701 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1703 * mips.c (mips_make_temp_file): Fix thinko in last change.
1705 2001-02-26 Jason Eckhardt <jle@redhat.com>
1707 * combine.c (known_cond): Do not reverse the condition when
1708 SMAX/UMAX is being considered and the condition is for equality
1709 or inequality.
1711 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1713 2001-02-26 Philip Blundell <philb@gnu.org>
1715 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1716 "armv2-*-linux".
1717 * config/arm/linux-elf.h: Remove historical relics related to
1718 above configurations.
1719 * config/arm/linux-oldld.h: Delete.
1720 * config/arm/linux-elf26.h: Delete.
1722 2001-02-26 Jason Merrill <jason@redhat.com>
1724 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1725 definitions.
1726 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1727 recognize a tentative definition. Lose obsolete code.
1729 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1730 variables unless necessary, either.
1732 2001-02-25 Richard Henderson <rth@redhat.com>
1734 * ifcvt.c (struct noce_if_info): Add test_bb.
1735 (noce_get_alt_condition): New.
1736 (noce_try_minmax, noce_try_abs): New.
1737 (noce_operand_ok): New.
1738 (noce_process_if_block): Use them.
1739 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1741 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1743 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1744 include.
1746 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1748 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1749 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1750 properly.
1751 (mips_asm_file_end): Free temp_filename here.
1753 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1755 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1756 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1758 * config/i386/i386.md (movstrsi): Handle FAIL case.
1760 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1762 * cppinit.c (builtin_array): Update.
1763 (init_builtins): Flag builtins to warn if redefined or
1764 undefined. Define __GXX_WEAK as a normal macro.
1765 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1766 * cpplib.h (NODE_WARN): New flag.
1767 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1768 Handle __STDC__ as a builtin only on Solaris.
1769 (warn_of_redefinition): Renamed from check_macro_definition.
1770 Reverse sense of test. Always warn if NODE_WARN.
1771 (_cpp_create_definition): Use warn_of_redefinition. Flag
1772 any macro beginning with "__STDC_" to require a mandatory
1773 warning if redefined or undefined.
1775 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1777 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1778 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1779 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1780 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1781 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1782 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1783 Don't define any of:
1784 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1785 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1786 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1787 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1788 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1790 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1791 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1792 definitions.
1794 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1795 Delete now-empty file.
1797 * alpha/vms.h: Define NEED_ATEXIT here...
1798 * alpha/xm-vms.h: ...not here.
1800 * i386/cygwin.h: Don't define PARAMS.
1801 * mips/mips.c: Don't prototype mktemp. Don't define
1802 P_tmpdir. Use make_temp_file to create temporary files.
1803 Don't be clever and delete temporary files early.
1804 * config.gcc: Drop references to deleted files. Don't define
1805 FULL_PROTOTYPES.
1806 * gcc.texi: Don't mention USE_PROTOTYPES.
1808 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1810 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1811 (ix86_set_move_mem_attrs_1): Likewise.
1812 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1813 * config/i386/i386.md (movstrsi): Call it.
1815 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1817 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1818 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1819 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1820 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1822 (i750a-*-*): Error here if hosting on i750a.
1823 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1825 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1826 Remove (empty modulo comments).
1828 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1829 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1830 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1831 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1832 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1833 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1835 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1836 Remove reference to winnt.h in comment.
1837 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1839 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1841 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1842 used to set another biv.
1844 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1846 * tree.h (BLOCK_DEAD): New macro.
1847 (struct tree_block): New flag, dead_flag.
1848 * print-tree.c (print_node, case 'b'): Print missing fields.
1849 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1850 * function.c (identify_blocks): Enable test for misplaced notes.
1851 (all_blocks): Skip BLOCK_DEAD blocks.
1852 * integrate.c (integrate_decl_tree): Likewise.
1854 * errors.c (internal_error, trim_filename): New functions.
1855 (fancy_abort): Call internal_error.
1856 * errors.h (internal_error, trim_filename): New declarations.
1858 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1860 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1861 2000-08-26's patch.
1862 (EXTRA_CONSTRAINT): Formatting changes.
1864 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1866 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1868 2001-02-23 Per Bothner <per@bothner.com>
1870 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1871 so they can be called from java/jvspec.c.
1872 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1874 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1876 * i386.c (ix86_frame): New structure.
1877 (ix86_compute_frame_size): Kill.
1878 (ix86_compute_frame_layout): New.
1879 (ix86_save_reg): New.
1880 (ix86_can_use_return_insn_p): Use frame layout stuff.
1881 (ix86_expand_prologue): Likewise.
1882 (ix86_expand_epilogue): Likewise.
1883 (ix86_initial_elimination_offset): Likewise.
1884 (ix86_nsaved_regs): Use ix86_save_reg.
1885 (ix86_emit_save_regs): Likewise.
1887 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1889 * flow.c (find_sub_basic_blocks): New function.
1890 (split_block): Be ready for basic block introduced by CODE_LABEL.
1891 (commit_one_edge_insertion): Call find_sub_basic_block.
1893 * flow.c (make_edges): Add edge from entry for blocks starting with
1894 label having ALTERNATE_NAME
1896 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1898 * function.c (epilogue_done): Be ready for first basic block not
1899 containing PROLOGUE_END note.
1900 (reposition_prologue_and_epilogue_notes): Avoid placing
1901 PROLOGUE_END note between BASIC_BLOCK.
1903 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1905 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1907 2001-02-21 DJ Delorie <dj@redhat.com>
1909 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1910 check for current_function_has_nonlocal_goto from 1999-11-12.
1912 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1914 * diagnostic.c (trim_filename): No longer static.
1915 * toplev.h (trim_filename): Declare.
1916 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1917 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1918 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1919 (rtvec_check_failed_bounds): Likewise.
1920 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1922 * convert.c (convert_to_integer): Don't do unsigned unless result or
1923 both inputs are unsigned.
1925 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1926 input overflows.
1928 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1930 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1932 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1934 * Makefile.in (resource.o): Add params.h dependence.
1935 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1936 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1937 * resource.c: Add dependence on params.h.
1938 (current_live_regs): Fix explanatory comment.
1939 (find_basic_block): Add new parameter to permit limiting search
1940 for a BARRIER.
1941 (mark_target_live_regs): Add new argument to find_basic_block call.
1942 (incr_ticks_for_insn): Likewise.
1944 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1946 * diagnostic.c (output_to_stream): Rename to
1947 output_buffer_to_stream. Loses the stream parameter.
1948 (init_output_buffer): Set diagnosic_buffer's stream.
1949 (flush_diagnostic_buffer): Adjust.
1950 (default_print_error_function): Likewise.
1951 (finish_diagnostic): Likewise.
1952 (verbatim): Likewise.
1954 * diagnostic.h (struct output_buffer): Add `stream' field.
1955 (output_buffer_attached_stream): New macro.
1957 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1959 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1960 check if either operand is divisible by C.
1961 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1962 If type is signed, consider negative numbers as well.
1964 2001-02-22 Richard Henderson <rth@redhat.com>
1966 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1967 reach .text instead of gp-relative relocs.
1968 * config/ia64/crtend.asm (.init): Likewise.
1970 2001-02-22 Andreas Jaeger <aj@suse.de>
1972 * extend.texi (C++ Attributes): Fix typo.
1974 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1976 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1977 functions, drop current_function_args_info.words test.
1978 (ia64_compute_frame_size): Mark syscall_linkage functions as
1979 using eight input registers.
1981 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1982 Bruce Korb <bkorb@gnu.org>
1984 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1985 * fixinc/README: Document how to convert sed substitutions
1986 to format style c_fix-es.
1987 * fixinc/fixincl.x: regen
1989 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1991 * gcc.c: Add comment explaining how to add a command-line option.
1992 Add title to specs language comment.
1994 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1996 * gcc.c (cc1_options): Add "-param".
1997 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1998 (option_map): Likewise.
1999 * toplev.c (display_help): Add entry for "--param".
2000 (independent_decode_option): Fix typographical error.
2002 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
2003 Bernd Schmidt <bernds@redhat.com>
2004 Jan Hubicka <jh@suse.cz>
2006 * i386.c (function_arg_advance): Pass SSE arguments in registers.
2007 (function_arg): Likewise.
2009 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
2011 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
2013 2001-02-21 Kazu Hirata <kazu@hxi.com>
2015 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
2016 character.
2017 (xorsi3): Likewise.
2019 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
2021 * flow.c (init_propagate_block_info): Canon address and use single_set
2022 for killing dead memory stores.
2024 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2026 * Makefile.in (reorg.o): Add params.h dependence.
2027 * params.def: Fix typographical error in comment.
2028 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2029 * params.h: Modify introductory comment.
2030 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2031 * reorg.c: Add dependence on params.h.
2032 (redundant_insn): Add parameterized throttle for search.
2033 (fill_simple_delay_slots): Add a comment explaining a variable.
2034 Move conditional out of loop, simplifying code.
2035 (fill_eager_delay_slots): Fix typographical error in comment.
2037 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
2039 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
2041 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
2042 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
2044 2001-02-21 Jason Merrill <jason@redhat.com>
2046 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
2047 (struct tree_decl): Add uninlinable bitfield.
2048 * c-decl.c (duplicate_decls): Set it.
2049 * integrate.c (function_cannot_inline_p): Check it.
2051 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
2052 DW_AT_MIPS_linkage_name to abstract methods.
2053 (dwarf2out_abstract_function): Emit class context before calling
2054 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
2055 (gen_subprogram_die): Remove obsolete code.
2056 (gen_member_die): Don't include clones in the member list.
2057 (gen_decl_die): Emit abstract info for clone origin.
2058 * dwarfout.c (output_type): Don't include clones in the member list.
2059 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
2060 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
2061 DECL_ABSTRACT on a function that already has it set.
2063 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
2064 (get_subprogram_die): Pass it in.
2066 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
2068 * flow.c (mark_set_1): Make not_dead unsigned long. For
2069 non-pseudos, use it as a bitmask of the hard regs that
2070 don't die.
2072 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
2074 * cppfiles.c: Update comments.
2075 (_cpp_read_file): Don't check for NULL filenames any more.
2076 * cppinit.c (cpp_start_read): Don't do canonicalization of
2077 in_fname and out_fname. Use the passed file name exclusively.
2078 (_cpp_handle_options): Don't treat "-" as a command line option,
2079 but as a normal filename.
2080 (_cpp_post_options): Canonicalize in_fname and out_fname.
2081 * cppmain.c (printer_init): Don't check out_fname for NULL.
2082 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
2083 (init_c_lex): Update, and use "" to represent stdin to CPP.
2084 (yyparse): Update.
2086 2001-02-20 Will Cohen <wcohen@redhat.com>
2088 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
2089 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
2090 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
2091 fixunstfsi_libfunc.
2093 2001-02-20 Stan Shebs <shebs@apple.com>
2095 * config/rs6000/rs6000.c (output_cbranch): Output branches
2096 on separate lines instead of using ';' to separate.
2098 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
2100 * cppinit.c (set_lang): Move builtin handling to...
2101 (init_builtins): ...here.
2102 (_cpp_create_reader): Move call to set_lang.
2104 2001-02-20 Mark Mitchell <mark@codesourcery.com>
2106 * stmt.c (expand_return): If an attempt is made to return the
2107 error_mar_node, treat the return like a return without a value.
2109 2001-02-19 Zack Weinberg <zackw@stanford.edu>
2111 * sibcall.c (skip_copy_to_return_value): Call
2112 identify_call_return_value here, and return orig_insn if it
2113 returns zero. Hardret and softret arguments now unnecessary.
2114 (call_ends_block_p): Don't call identify_call_return_value here.
2116 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
2117 's' slots in RTXen.
2118 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
2119 * ggc.h (ggc_mark_if_gcable): Delete prototype.
2121 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
2123 * pa.c (move_operand): Accept code to load the address of a
2124 symbol out of the DLT as a valid move operand.
2125 (print_operand, case 'A'): New to handle generating a DLT
2126 reference for a LO_SUM expression.
2127 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
2128 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
2130 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
2132 * README, cpp.texi, gcc.texi, version.c: Update version number to
2133 3.1.
2134 * cpp.1, gcov.1, gcc.1: Regenerate.
2136 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
2138 * cppfiles.c (stack_include_file): Generate dependencies
2139 here, and manage include_count here too.
2140 (PRINT_THIS_DEP): Delete.
2141 (_cpp_execute_include): Do not generate dependencies here,
2142 apart from the case of a missing header. Do not manage
2143 include_count.
2144 (_cpp_read_file): Leave dependency generation to
2145 stack_include_file.
2147 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
2149 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
2150 target_cpu_default. Remove dead assignment to
2151 target_cpu_default.
2153 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
2155 * regclass.c (contains_reg_of_mode): Make global.
2156 (init_reg_sets): Remove contains_reg_of_mode; take into account
2157 CLASS_MAX_NREGS when looking for the proper mode.
2158 (dump_regclass): Dump only classes considered for the pseudo.
2159 (regclass): Use contains_reg_of_mode.
2161 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
2163 * gcc.c (do_spec_1): 'n' for printing notices.
2164 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
2166 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
2168 * reg-stack.c (next_flags_user): Use current_block->end
2169 (swap_rtx_condition): Look for next user if flags don't die;
2170 give up on CALL_INSNs; use current_block->end.
2172 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2174 * sibcall.c (call_ends_block_p): New function.
2175 (optimize_sibling_and_tail_recursive_call): Use it.
2177 2001-02-18 Kazu Hirata <kazu@hxi.com>
2179 * config/h8300/h8300.md: Update copyright.
2180 (andsi3): Do not output an extra newline character.
2182 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2184 * toplev.c (note_deferral_of_defined_inlined_function): Argument
2185 FNDECL may be unused.
2187 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
2188 follow jumps after first run.
2189 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
2190 it doesn't change any jumps.
2192 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
2194 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
2195 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
2196 (mostlyclean): Corresponding changes.
2197 * rtlanal.c (hard-reg-set.h): Include.
2198 (rtx_unstable_p): Do not treat the argument pointer specially
2199 if it is not a fixed register.
2200 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
2202 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2204 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
2205 against last real insn in basic block.
2206 Rework to avoid gotos.
2208 * Makefile.in (gcse.o): Now includes ggc.h.
2209 * gcse.c: Include ggc.h.
2210 (want_to_gcse_p): Verify expression can be in SET as valid insn.
2211 (try_replace_reg): Remove warning of uninitialize variable.
2212 (process_insert_insn): Call invalid_insn_p to validate insn.
2213 * recog.c (insn_invalid_p): Now global.
2214 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
2215 * recog.h (insn_invalid_p): New declaration.
2217 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
2219 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
2220 assignments from FP constants since 'Y' output code can't handle it.
2221 (eligible_for_sibcall_delay): Likewise.
2223 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
2224 Call fancy_abort directly, passing args.
2225 (print_rtl_and_abort): Now a macro, like fancy_abort.
2227 * final.c (output_operand_lossage): Use internal_error, not error.
2229 2001-02-18 Shane Nay <shane@agendacomputing.com>
2231 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
2232 structure shift insns.
2234 2001-02-18 Mark Mitchell <mark@codesourcery.com>
2236 * invoke.texi (-fsquangle): Remove documentation.
2237 (-fname-mangling-version): Likewise.
2239 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
2241 * optabs.c (expand_abs): Remove reference to
2242 HAVE_contitional_arithmetic.
2243 * combine.c (simplify_set): Likewise.
2245 2001-02-18 Richard Henderson <rth@redhat.com>
2247 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2248 would be disrupted.
2250 2001-02-18 Richard Henderson <rth@redhat.com>
2252 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
2254 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2256 * reload1.c (reload_cse_simplify_set): Fix typo.
2258 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2260 * diagnostic.c (_fatal_insn): Decrement errorcount.
2262 * invoke.texi (-I): Add note avoiding use for system header files.
2264 * rtl.h (add_clobbers): Remove duplicate declaration.
2265 * recog.h (added_clobbers_hard_reg_p): New declaration.
2266 * genemit.c (struct clobber_pat): New field has_hard_reg.
2267 (gen_insn): Record if added clobbers clobber hard reg.
2268 (gen_split): Avoid unused warning if number of operands is 0.
2269 (output_added_clobbers_hard_reg_p): New function.
2270 (main): Call it.
2272 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2274 * pa.c (hppa_expand_prologue): Simplify code storing return
2275 pointer. For large (>=8k) frames with a post_store, adjust stack
2276 pointer by 8k-64 first rather than by 64. When testing with
2277 VAL_14_BITS_P, always use the actual value rather than the value
2278 negated. Add blockage to prevent scheduling of spills before
2279 stack frame has been created.
2280 (hppa_expand_epilogue): Simplify code loading return pointer.
2281 Allow a slightly larger range for merge_sp_adjust_with_load case.
2282 When testing with VAL_14_BITS_P, always use the actual value.
2284 * pa.c (pa_adjust_insn_length): Check that block move
2285 pattern is a set before looking at operands.
2287 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2289 * fold-const.c (fold_binary_op_with_conditional_arg): New
2290 function, split out from ...
2291 (fold): ... here.
2292 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2293 conditional arms that throw exceptions.
2295 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2296 looking at a BLOCK.
2298 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2300 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2301 define HAVE_DECL_* to 1 to mask potential backup declarations.
2302 * configure: Regenerated.
2304 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2306 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2308 2001-02-17 Richard Henderson <rth@redhat.com>
2310 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2311 when replacing a memory load with a register.
2313 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2314 Jan Hubicka <jh@suse.cz>
2316 * recog.c (validate_replace_src_1): New.
2317 (validate_replace_src_data): Likewise.
2318 (validate_replace_src): Use note_uses.
2319 * rtl.h (note_uses): Declare.
2320 * rtlanal.c (note_uses): New.
2322 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2324 * reg-stack.c (stack_def): Make field reg unsigned.
2325 (remove_regno_note): Unsignetize parameter.
2327 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2329 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2330 shladd_operand() call.
2332 2001-02-16 Bruce Korb <bkorb@gnu.org>
2333 Rodney Brown <RodneyBrown@mynd.com>
2335 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2336 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2337 machine restrictions
2338 * fixinc/fixincl.x: regen
2340 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2342 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2343 Don't CSE a nop.
2344 (hash_scan_insn): Clean up calls to hash_scan_set.
2345 (compute_kill_rd): REGNO now unsigned.
2346 (try_replace_reg): Rework to use simplify_replace_rtx.
2347 (cprop_jump, cprop_cc0_jump): Likewise.
2348 (cprop_insn): Call find_reg_equal_equiv_note.
2349 Reflect changes to cprop_jump and cprop_cc0_jump.
2351 * recog.c (validate_replace_src): Replace in operands of
2352 ZERO_EXTRACT in SET_DEST.
2354 * cse.c (new_label_ref): New variable.
2355 (insert): Set it instead of recorded_label_ref.
2356 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2357 CODE_LABEL for this function, and not already in REG_LABEL note.
2359 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2361 * resource.c (mark_referenced_resources): Fix typo in introductory
2362 comment.
2363 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2364 string constant.
2366 2001-02-16 Jason Merrill <jason@redhat.com>
2368 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2369 NULL.
2370 (gen_subprogram_die): Don't abort on seeing a second definition if
2371 the previous one was abstract. Don't replace an abstract instance
2372 in the lookup table.
2374 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2375 gen_abstract_function.
2376 * dwarf2out.h: Declare it.
2377 * toplev.c (note_outlining_of_inline_function): New fn.
2378 * toplev.h: Declare it.
2379 * integrate.c (output_inline_function): Call it.
2380 * c-decl.c (duplicate_decls): Call it when redefining an extern
2381 inline. Don't inline the new defn.
2383 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2385 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2387 * .gdbinit: Rename to gdbinit.in.
2388 * gdbinit.in: New file,
2389 * configure.in: Generate .gdbinit from gdbinit.in.
2390 * configure: Regenerated.
2391 * Makefile.in (distclean): Always remove .gdbinit.
2393 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2395 * objc/objc-act.c (start_class): Register implemented_classes with
2396 GC.
2398 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2400 * cppfiles.c (_cpp_make_system_header): Generate a file
2401 change callback.
2403 2001-02-15 Jim Meyering <meyering@lucent.com>
2405 * Makefile.in (install-common): Don't depend on installdirs here.
2406 Instead, make each of the lang.install-common targets (e.g.,
2407 c++.install-common in cp/Make-lang.in) depend on it.
2408 (install-driver): Depend on installdirs.
2410 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2412 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2414 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2415 do in memory.
2417 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2419 * invoke.texi (--param): Document.
2421 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2423 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2425 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2427 * i386.md (extendsfdf2_2): Fix constraints.
2429 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2431 * i386.md (fop_df_3 splitter): Fix operand number.
2433 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2435 * invoke.texi (-mreg-alloc): Nuke.
2436 * i386.c (ix86_reg_alloc_order, regs_allocated,
2437 order_regs_for_local_alloc): Nuke.
2438 (override_options): Kill reg_alloc code.
2439 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2440 (REG_ALLOC_ORDER): SSE goes before I387.
2441 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2442 (ix86_reg_alloc_order): Likewise.
2443 * i386-protos.h (ix86_reg_alloc_order): Kill.
2445 2001-02-14 Richard Henderson <rth@redhat.com>
2447 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2449 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2451 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2453 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2455 * i386-protos.h (ix86_memory_move_cost): Move offline.
2456 * i386.c (ix86_register_move_cost): Compute properly cost of
2457 SSE, MMX and i387 instructions.
2458 (*_cost): Add costs of SSE/MMX moves.
2459 (ix86_memory_move_cost): Move offline from ....; Likewise.
2460 * i386.h (MEMORY_MOVE_COST): .... here;
2461 (struct processor costs): Add new fields to represent costs
2462 of SSE/MMX moves.
2464 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2466 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2467 move_cost together with Matt Kraai's fix.
2469 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2471 * Makefile.in (OBJS): Add params.o.
2473 2001-02-14 Richard Henderson <rth@redhat.com>
2474 DJ Delorie <dj@redhat.com>
2476 * jump.c (jump_optimize_1): When we delete a conditional jump
2477 preceeding a non-conditional jump to effectively the same place,
2478 make sure that the combined jump skips any clobber insns between
2479 the two labels.
2481 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2483 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2485 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2487 * Makefile.in (toplev.o): Depend on params.h.
2488 (intergate.o): Likewise.
2489 (params.o): New target.
2490 * flags.h (inline_max_insns): Remove.
2491 * integrate.c: Include params.h.
2492 Use MAX_INLINE_INSNS instead of inline_max_insns.
2493 * params.c: New file.
2494 * params.h: Likewise.
2495 * params.def: Likewise.
2496 * toplev.c: Include params.h.
2497 (lang_independent_params): New variable.
2498 (decode_f_option): Use the param machinery instead of setting
2499 max_inline_insns.
2500 (independent_decode_option): Handle "--param name=value".
2501 (main): Register language-independent parameters.
2503 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2505 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2507 2001-02-14 Richard Henderson <rth@redhat.com>
2509 * regclass.c (init_reg_sets_1): Revert last two changes.
2511 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2513 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2514 (variable_size): Call put_pending_size.
2515 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2516 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2517 sizes list, put newly created SAVE_EXPR there as well.
2519 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2521 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2522 (errata_find_address_regs): load_group has only 2 entries.
2523 (errata_emit_nops): Likewise. shladd is not problematic.
2524 Clear last_group if nop was emitted.
2525 (fixup_errata): load_group has only 2 entries.
2526 Optimize.
2528 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2530 * c-lex.c (lex_number): Only warn traditionally for U suffix
2531 outside system macros.
2532 * cppexp.c (parse_number): Similarly.
2533 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2534 * cppmacro.c (struct cpp_macro): New member node.
2535 (parse_args): Only warn about missing rest args if not
2536 a system macro.
2537 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2538 (cpp_sys_objmacro_p): New.
2539 (_cpp_create_definition): Store the node with the macro defn.
2540 Remember if the macro is defined in a system header.
2542 2001-02-13 DJ Delorie <dj@redhat.com>
2544 * configure.in (check_languages): determine languages to check
2545 * Makefile.in (check-c++): alias for check-g++
2546 (check-f77): alias for check-g77
2547 (CHECK_TARGETS): depend on configured languages
2549 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2551 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2552 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2553 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2554 (sqrtextendsfdf2): Disable for SSE2.
2556 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2558 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2559 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2560 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2561 (sqrtextendsfdf2): Disable for SSE2.
2563 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2565 * i386.md (movsfcc_1): Support integer cmove instruction.
2566 (movdfcc_1): Likewise; new splitter.
2568 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2570 * i386.c (output_fp_compare): Support SSE.
2571 (prepare_fp_compare_args): SSE comparisons always support memory.
2572 * i386.h (TARGET_CMOVE): SSE imply cmove.
2573 * i386.md (cmp?f2): Enable for SSE too.
2574 (cmpfp_i*): Support SSE.
2575 (cmpfp_i_sse): New.
2576 (cmpfp_i_sse_only): New.
2577 (s*, b* fp expanters): Enable for SSE too.
2578 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2579 New patterns.
2581 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2583 * regclass.c (init_reg_sets_1): Silence warning.
2585 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2587 * i386.md (sqrt?f2): Change to expander.
2588 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2590 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2592 * rtlanal.c (find_reg_equal_equiv_note): New function.
2593 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2594 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2595 * rtl.h: Add declarations for above functions.
2597 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2599 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2600 conditionals.
2601 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2602 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2603 * flow.c (mark_regs_live_at_end): Likewise.
2604 (calculate_global_regs_live): Likewise.
2605 * gcse.c (compute_hash_table): Likewise.
2606 (compute_kill_rd): Likewise.
2607 * resource.c (mark_target_live_regs): Likewise.
2608 * rtl.h (INVALID_REGNUM): New macro.
2610 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2612 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2614 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2616 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2617 for SSE.
2619 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2621 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2622 too.
2623 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2624 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2625 (fop_sf_1_sse, fop_df_1_sse): New patterns
2626 (fop_*): Disable float_extend and float patterns for SSE compilation.
2627 * i386.c (output_387_binary_op): Support SSE.
2629 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2631 * i386.md (dummy_extendsfdf2): Support SSE2
2632 (extendsfdf2): Enable if 80387 or SSE2.
2633 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2634 and no MIX_I387_SSE2
2635 (extendsfdf2_1_sse_only): New pattern.
2636 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2637 of SSE.
2638 (truncdfsf2_1): Support SSE.
2639 (truncdfsf2_2): Support SSE.
2640 (truncdfsf2_2_1_sse): New pattern.
2641 (fixtruncsfsi2): Always use SSE if available.
2642 (fix_truncsfsi_sse): New pattern.
2643 (fix_truncdfsi_sse): New pattern.
2644 (floatsis?f2): Support SSE.
2645 (floatsidf2_i387): New pattern.
2646 (floatsidf2_sse): Likewise.
2648 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2650 * configure.in: Use "have_gnat" variable, not "gnat".
2651 * configure: Regenerated.
2653 * config/sparc/sparc.c (function_value): Treat all non-record
2654 aggregate types like used to treat UNION_TYPE.
2656 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2658 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2659 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2660 (MASK_SSE2): New.
2661 (MASK_MIX_SSE_I387): New.
2662 (TARGET_SSE): SSE2 imply SSE.
2663 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2664 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2665 (enum reg_class): Add new classes.
2666 (REG_CLASS_NAMES): Likewise.
2667 (REG_CLASS_CONTENTS): Likewise.
2668 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2669 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2670 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2671 (CLASS_MAX_NREGS): Use new macros.
2672 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2673 * i386.md (pushsf, movsf): Support SSE.
2674 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2675 splitters to use ANY_FP_REGNO_P.
2676 (movdf_nointeger, movdf_integer): Likewise.
2678 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2680 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2681 (try_combine): Use it.
2683 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2685 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2686 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2687 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2688 (REGISTER_MOVE_COST): Likewise.
2689 * i386-protos.h (ix86_secondary_memory_needed,
2690 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2691 * i386.c (ix86_secondary_memory_needed,
2692 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2694 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2696 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2697 (HARD_REGNO_MODE_OK): Move offline to ....
2698 * i386.c (ix86_hard_regno_mode_ok) ... here;
2699 refuse all incorrect modes.
2700 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2702 2001-02-13 Richard Henderson <rth@redhat.com>
2704 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2705 entire operator; replicate that and match_dup the operands.
2706 (cmp_ccx_arith_op_set): Likewise.
2707 (cmp_cc_arith_op_not_set): Likewise.
2708 (cmp_ccx_arith_op_not_set): Likewise.
2710 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2712 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2714 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2716 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2717 (TARGET_NO_BITFIELD_WORD): New macro.
2718 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2719 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2721 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2723 * cselib.c: New file, from simplify-rtx.c.
2724 * simplify-rtx.c: Remove cselib parts.
2725 * Makefile.in: Add cselib.o.
2727 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2729 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2730 (setup_incoming_varargs): Remove warning.
2732 * config/rs6000/rs6000.c (validate_condition_mode): When
2733 flag_fast_math, allow floating-point conditionals to be reversed.
2734 (rs6000_generate_compare): When flag_fast_math, don't generate
2735 cror operations for FP conditionals.
2737 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2738 -mcall-i960.
2739 (ASM_SPEC): Likewise.
2740 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2741 (CC1_SPEC): Likewise.
2742 (LINK_TARGET_SPEC): Likewise.
2743 (CPP_ENDIAN_SPEC): Likewise.
2744 * Makefile.in (check-consistency): New target.
2746 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2748 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2749 "return type defaults" warning for functions with return type
2750 defaulting to int.
2751 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2752 function declarations by default rather than only when pedantic.
2754 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2756 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2757 arrays.
2759 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2761 * extend.texi (Deprecated): Deprecate new initializer lists.
2763 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2765 * mkdeps.c (deps_add_default_target): Robustify. Add
2766 basename component only.
2767 * cpp.texi (-M): Describe how default target is generated.
2768 * invoke.texi (-M): Likewise.
2770 2001-02-12 Kazu Hirata <kazu@hxi.com>
2772 * toplev.c (push_float_handler): Remove.
2773 (pop_float_handler): Remove.
2774 * toplev.h: Remove prototypes for the above functions.
2776 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2778 * c-common.c (constant_fits_type_p): New function.
2779 (convert_and_check): Use it.
2781 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2783 * Makefile.in (GXX_ABI_FLAG): Don't define.
2784 * configure.in (--enable-new-gxx-abi): Remove option.
2785 * config.in: Regenerated.
2786 * configure: Likewise.
2788 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2790 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2791 basic block.
2792 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2793 regular basic block, and arrange for all edges into it to switch
2794 to normal mode.
2796 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2798 * Makefile.in (distclean): Do not remove .gdbinit.
2800 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2802 * Makefile.in (gcc.o): Fix typos.
2803 (protize.o): Likewise.
2804 (unprotoize.o): Likewise.
2806 2001-02-11 Richard Henderson <rth@redhat.com>
2808 * tree.c (build1): Check for null operand in last change.
2810 2001-02-11 Richard Henderson <rth@redhat.com>
2812 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2813 (fold): Don't assume a constant isn't foldable.
2814 * tree.c (build): Set TREE_CONSTANT for an expression with no
2815 side-effects and constant operands.
2816 (build1): Likewise.
2818 2001-02-10 Richard Henderson <rth@redhat.com>
2820 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2822 2001-02-10 Anthony Green <green@redhat.com>
2824 * cpp.texi (Standard Predefined): Add documentation for
2825 __OPTIMIZE_SIZE__.
2827 * c-common.c (combine_strings): Improve warning message.
2829 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2831 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2832 --oformat.
2833 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2835 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2837 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2838 CYGWIN_CROSS_DIR.
2840 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2842 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2843 fp_mode attribute.
2845 2001-02-09 Nick Clifton <nickc@redhat.com>
2847 * config/arm/arm.md: Change output contraint on post inc
2848 load/store multiple patterns to be a read/write contraint.
2850 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2852 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2853 .o files when using the -M options.
2855 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2856 David Edelsohn <edelsohn@gnu.org>
2858 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2859 handle DImode constants. Use one TOC entry for SImode and smaller
2860 constants, aligned properly.
2862 2001-02-08 Jason Merrill <jason@redhat.com>
2864 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2865 about the SP adjustment for saving the static chain pointer.
2866 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2867 offset when setting a temporary CFA register.
2869 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2871 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2872 powerpc-*-chorusos* .
2873 * config/rs6000/chorus.h : New file.
2874 * config/i386/chorus.h : New file.
2875 * config/sparc/chorus.h : New file.
2876 * config/sparc/t-chorus-elf : New file.
2878 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2880 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2881 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2882 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2883 (__WCHAR_TYPE__): Correct macro name.
2885 2001-02-08 Richard Henderson <rth@redhat.com>
2887 * config/i386/i386.c (ix86_frame_pointer_required): New.
2888 (ix86_setup_frame_addresses): New.
2889 (struct machine_funciton): Add accesses_prev_frame.
2890 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2891 ix86_frame_pointer_required.
2892 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2893 (SETUP_FRAME_ADDRESSES): New.
2894 * config/i386/i386-protos.h: Update.
2895 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2896 from FRAME_POINTER_REQUIRED.
2897 * config/i386/svr3gas.h: Likewise.
2898 * config/i386/sysv3.h: Likewise.
2899 * config/i386/v3gas.h: Likewise.
2901 2001-02-08 Richard Henderson <rth@redhat.com>
2903 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2904 calculation of the number of integer registers required.
2905 (function_arg_record_value): Likewise.
2907 2001-02-08 Jason Merrill <jason@redhat.com>
2909 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2910 two. Print file and line with "confused" message.
2912 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2914 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2916 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2918 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2920 * final.c (cleanup_subreg_operands): The address of a MEM can
2921 contain SUBREGs.
2923 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2924 for asms, too.
2926 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2928 * gcc.texi (Incompatibilities): Update documentation of
2929 preprocessing numbers.
2931 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2933 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2935 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2937 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2939 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2940 * gcc.c (struct compiler): Add cpp_spec field.
2941 (input_file_compiler): New variable.
2942 (do_spec_1): Allow a particular compiler to handle `%C'
2943 specially.
2944 (main): Store the current compiler in input_file_compiler.
2945 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2947 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2949 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2950 * cppinit.c (cpp_create_reader): Initialize them.
2951 (append_include_chain): cxx_aware arg might be unused.
2952 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2953 keywords and give them their phase 7 meaning. Pedwarn about
2954 this unless '__bool_true_false_are_defined' is defined.
2956 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2958 * lcm.c (optimize_mode_switching): Emit mode_set before the
2959 JUMP_INSN of an abnormal edge.
2961 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2963 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2964 a scheduling barrier at the end.
2966 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2968 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2970 * config/sh/sh.md (reload_outsf): Removed.
2971 (movsf_ie): Introduce constraints for FPUL loads and stores.
2972 (reload_insf): Broaden the output constraint.
2974 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2975 defined.
2976 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2977 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2979 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2981 * final.c: Revert my previous changes.
2982 * output.h: Make profile_label_no extern.
2983 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2984 for generating label.
2986 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2988 * config/i386/djgpp.h: Add comments about standard paths.
2989 (MD_EXEC_PREFIX): Undefine before defining.
2990 (MD_STARTFILE_PREFIX): New.
2992 2001-01-30 Bruce Korb <bkorb@gnu.org>
2994 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2995 (load_file): do not rely on load_file_data() to close file pointer
2996 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2997 fixinc/inclhack.def(irix_limits_const): add test_text
2999 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3001 * cppexp.c (parse_defined): Improve diagnostics for invalid
3002 syntax.
3004 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3006 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3008 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3010 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3011 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3012 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3013 (rs6000_output_symbol_ref): New function.
3014 (output_toc): Use VTABLE_NAME_P.
3016 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3018 * print-tree.c (print_node, case PARM_DECL):
3019 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3021 * stor-layout.c (reference_types_internal): New variable.
3022 (internal_reference_types): New function.
3023 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
3024 * tree.h (internal_reference_types): New declaration.
3026 * cse.c (find_best_addr): Fix typo in computing cost.
3028 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3030 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
3031 and this is the sum of a pointer and a constant, we know the result
3032 did not overflow.
3033 (num_sign_bit_copies, case PLUS): Likewise.
3034 * explow.c (convert_memory_address): Remove opposite SUBREG.
3035 * function.c (instantiate_new_reg): New function (from common code).
3036 (instantiate_virtual_regs_1): Call it.
3037 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
3038 if pointers sign- or zero-extend.
3039 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
3040 If pointers extend unsigned, use inside of SUBREG.
3041 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
3043 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
3045 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
3046 subdir of gcc_gxx_include_dir.
3047 (gcc_gxx_target_include_dir): Remove.
3049 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
3051 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
3052 (dwarf2out_frame_debug_expr): Revise introductory comments to add
3053 a high-level description.
3055 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
3057 * final.c: Move the declaration of profile_label_no to ...
3058 * output.h: ... here.
3059 * function.c (expand_function_start): Call PROFILE_HOOK.
3060 * config/rs6000/aix.h: Define PROFILE_HOOK.
3061 * config/rs6000/rs6000-protos.h: output_profile_hook new.
3062 * config/rs6000/rs6000.c (output_profile_hook): Define.
3063 (output_prolog): Do nothing for ABI_AIX as it is taken care by
3064 output_profile_hook.
3065 tm.texi : Explain new macro PROFILE_HOOK.
3067 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
3069 * extend.texi (Extended Asm): Do not say that semicolon is always
3070 a valid line-breaking character for GNU assemblers. Use
3071 newline-tab as the most commonly supported syntax. Use
3072 newline-tab rather than semicolon in multi-insn examples.
3074 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3076 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3078 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3079 David Edelsohn <edelsohn@gnu.org>
3081 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3082 code for AIX, even without flag_pic.
3084 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3086 * c-typeck.c (common_type): push and pop binding level around
3087 calling common_type on function parameters.
3089 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3091 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3093 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3095 * config/mips/mips.c (override_options): Fix typo in last change.
3096 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3097 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3099 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3101 * invoke.texi (-fdump-class-layout): Document.
3102 (-fdump-translation-unit): Use `=' as filename separator.
3104 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3106 * Makefile.in (s-mlib): Don't build multilibs if
3107 --disable-multilib.
3108 (DRIVER_DEFINES): Adjust accordingly.
3109 (gcc.o): Likewise.
3110 (protoize.o): Likewise.
3111 (unprotoize.o): Likewise.
3112 * configure.in: Recognize --enable-multilib.
3114 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3116 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3118 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3119 * configure.in: Remove --enable-libstdcxx_v3 support.
3120 * configure: Regenerated.
3122 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3124 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3125 Call abort instead of fatal.
3126 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3127 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3128 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3129 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3130 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3131 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3133 * diagnostic.h (set_internal_error_function): Renamed.
3134 * toplev.h (internal_error): Renamed from fatal.
3135 (pfatal_with_name): Deleted.
3136 (fatal_io_error): Now has printf-style arguments.
3137 * diagnostic.c (pfatal_with_name): Deleted.
3138 (fatal_io_error): Rework to have args in printf-style.
3139 (set_internal_error_function): Renamed from set_fatal_function.
3140 (internal_error): Renamed from fatal.
3141 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3142 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3143 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3144 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3145 * flow.c (verify_flow_info): Likewise.
3146 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3147 * config/mips/mips.c (save_restore_insns): Likewise.
3149 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3150 * flow.c (verify_flow_info): Likewise.
3151 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3152 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3153 (avr_normalize_condition): Likewise.
3154 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3155 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3156 (limit_reload_class, double_reg_to_memory): Likewise.
3157 (print_operand_address, emit_1600_code_shift): Likewise.
3158 (gen_tst_reg, gen_compare_reg): Likewise.
3159 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3160 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3161 Deleted.
3162 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3164 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3165 * objc/objc-act.c (build_ivar_chain): Likewise.
3166 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3167 pfatal_with_name.
3168 * graph.c (clean_graph_dump_file): Likewise.
3169 * profile.c (init_branch_prob): Likewise.
3170 * objc/objc-act.c (objc_init): Likewise.
3172 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3173 * config/avr/avr.c (avr_override_options): Likewise.
3174 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3175 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3176 * config/h8300/h8300.c (h8300_init_once): Likewise.
3177 * config/mips/mips.c (override_options): Likewise.
3178 * config/i386/i386.c (override_options): Likewise, rework.
3179 * config/m68k/m68k.c (override_options): Likewise.
3181 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3182 instead of fatal.
3183 * config/mips/mips.c (print_operand): Likewise.
3184 * hash.c (hash_allocate): Don't check for failure returns from
3185 obstack functions that can't fail.
3186 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3187 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3188 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3189 (get_object_reference): Likewise.
3191 2001-02-04 Nick Clifton <nickc@redhat.com>
3193 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3194 StrongARM1110, 10TDMI, and 1020T.
3196 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3198 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3200 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3202 * config/sh/sh.md (movdf load split): Pass register number to
3203 FP_OR_XD_REGISTER_P.
3205 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3207 * cppinit.c (BC): New macro.
3208 (builtin_array): Add __GXX_WEAK__.
3209 * cpplib.h (builtin_type): Add BT_WEAK.
3210 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3211 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3212 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3214 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3216 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3218 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3220 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3221 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3223 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3225 * cpphash.h: Rename ALIGN _ALIGN.
3226 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3228 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3230 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3231 compilation environment.
3232 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3233 control over location of cygwin includes and libs.
3235 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3237 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3239 2001-02-02 lars brinkhoff <lars@nocrew.org>
3241 * md.texi (Standard Names): remove reference to spur.md.
3243 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3245 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3246 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3247 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3248 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3249 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3251 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3253 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3254 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3255 number before reload.
3256 (c4x_adjust_cost): Return zero before reload.
3257 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3258 split before reload.
3260 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3262 * c4x.c (c4x_hard_regno_rename_ok): New.
3263 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3264 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3266 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3268 * diagnostic.h: Add missing "extern" in all declarations.
3270 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3272 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3273 as for gcc_gxx_include_dir.
3275 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3277 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3279 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3281 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3282 label before alignment to be used as the braf base address.
3283 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3284 branches.
3285 (casesi_jump_2): Require at least TARGET_SH2.
3287 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3288 truncation to 32-bit doubles on -m3e and -m4-single-only.
3290 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3292 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3293 the default when building a shared object.
3294 (init_spec): Use it.
3295 * testsuite/lib/g++.exp: Include the directory where libgcc
3296 is located to the LD_LIBRARY_PATH list.
3297 * invoke.texi (-shared-libgcc): Document the cases in which
3298 GCC defaults to using the shared libgcc.
3300 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3302 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3303 unsigned is wide enough.
3304 (BITS_PER_SI): New.
3305 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3306 (si_to_float): Likewise.
3307 (float_to_si, float_to_usi): Use BITS_PER_SI.
3309 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3311 * dwarf2out.c: Added explanation of abbreviations.
3312 (def_cfa_1): Added comments listing DWARF2 instructions.
3313 (cfa_temp_reg): Removed in favor of cfa_temp.
3314 (cfa_temp_value): Removed in favor of cfa_temp.
3315 (cfa_temp): New global variable.
3316 (dwarf2out_frame_debug_expr): Added extensive introductory
3317 comments explaining the function's transformations. Revised to
3318 use cfa_temp. Added some rtx checking. Generalize IOR case.
3319 (dwarf2out_frame_debug): Revised to use cfa_temp.
3320 (output_aranges): Cast as "unsigned" to avoid warning.
3321 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3322 explain which instructions must be marked.
3324 2001-02-01 Richard Henderson <rth@redhat.com>
3326 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3327 new instruction.
3329 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3331 * config/sh/crt1.asm (main_k): Modified so that start calls
3332 ___setup_argv_and_call_main.
3334 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3336 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3337 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3338 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3339 * cppmacro.c (builtin_macro): Set builtin flags here.
3340 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3341 (replace_args): Clarify intent.
3342 (cpp_get_token): Macro expansion tokens get the saved flags.
3343 Update.
3344 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3345 check.
3347 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3349 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3350 2001-Jan-29.
3352 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3354 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3355 returns Pmode pseudo, but we need ptr_mode.
3356 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3357 Remove bogus conversions; use HOST_WIDE_INT for size.
3358 Don't use TARGET if wrong mode.
3360 * config/i386/i386.c (ix86_compute_frame_size): Allow
3361 stack_alignment_needed to be non-default even if size is zero.
3363 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3365 * (hppa_init_pic_save): Emit the pic offset table
3366 reg save after last_parm_insn.
3367 * pa.c (hppa_init_pic_save): New function.
3368 * pa.h (hppa_init_pic_save): Declare.
3369 * pa.md (call, call_value, sibcall, sibcall_value): Use
3370 the above instead of duplicated code.
3372 * pa.c (hppa_encode_label): Correct size of alloca buffer
3373 so we don't overrun it. Correct leading `*' case.
3374 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3375 need to handle `*@'.
3376 (FUNCTION_NAME_P): Likewise.
3378 2001-01-31 Richard Henderson <rth@redhat.com>
3380 * config.gcc (alpha-osf5): Use float-i128.h.
3382 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3383 * config/float-i32.h: Likewise.
3384 * config/float-i64.h: Likewise.
3385 * config/float-sh.h: Likewise.
3386 * config/float-sparc.h: Likewise.
3388 2001-01-31 DJ Delorie <dj@redhat.com>
3390 * expmed.c (extract_bit_field): allow non-integral modes if we
3391 want to extract a whole register from itself.
3393 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3395 * c-typeck.c (set_init_index): If first is equal to last, assume as
3396 if it was not a range at all.
3398 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3400 * config/fp-bit.c: Include tm.h.
3401 (float_to_si): Don't assume SImode is 32-bits wide.
3402 (float_to_usi): Likewise.
3404 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3406 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3407 incomplete type.
3408 (typename): Call pending_xref_error after parsing typed_typespecs.
3409 * c-decl.c (lookup_tag): Give error immediately rather than
3410 leaving it pending if the tag of the wrong type is in the same
3411 binding level.
3412 (xref_tag): Don't pedwarn for forward declarations of enum types
3413 here.
3414 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3415 and enum tags.
3417 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3419 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3421 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3423 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3424 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3426 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3428 * cpphash.h (struct cpp_reader): New saved_flags.
3429 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3430 to avoid a paste after a pasted token.
3432 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3434 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3435 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3436 Wtype_MIN instead of LONG_MIN.
3438 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3440 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3441 README file.
3442 * fixinc/fixincl.x: Regenerated.
3443 * fixinc/inclhack.def (irix_limits_const): New definition to
3444 convert "const" to "__const" in limits.h.
3446 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3448 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3450 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3452 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3453 when register dies in the insn.
3455 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3457 * diagnostic.c (fatal): Fix word wrap.
3459 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3461 * combine.c (try_combine): Fix SUBREG setting for
3462 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3464 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3466 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3467 comparison codes.
3469 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3471 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3472 is not NULL.
3473 * toplev.c (decode_W_option): Update warn_larger_than
3474 unconditionally for each processed switch.
3476 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3478 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3479 to NULL_RTX.
3480 (hppa_expand_prologue): Delete code to save pic offset table register
3481 in the function prologue.
3482 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3483 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3484 table register at the beginning of the function after the prologue.
3486 2001-01-29 lars brinkhoff <lars@nocrew.org>
3488 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3490 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3491 Jeff Law <law@redhat.com>
3493 * pa.md (return): Revise comment for trivial return.
3494 (return_internal): Non-trivial return pattern for non-PIC code.
3495 (return_internal_pic): Non-trivial return pattern for PIC code.
3496 It uses the PIC register to ensure it is restored after
3497 function calls.
3498 (epilogue): Generate appropriate return for PIC and non-PIC code.
3500 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3502 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3504 2001-01-29 DJ Delorie <dj@redhat.com>
3506 * combine.c (if_then_else_cond): Pass the correct mode to
3507 operand_subword() for constants.
3509 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3511 * config/i386/cygwin.h: Add w32api to include search. Search different
3512 directories in a cross-build environment.
3514 2001-11-29 Tim Josling <tej@melbpc.org.au>
3516 * tree.h (TYPE_STUB_DECL): Add documentation.
3518 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3520 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3521 (sdbout_field_types): Likwise. Fix use of host_integerp.
3523 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3525 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3526 cygwin.h.
3528 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3530 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3531 to use flag_gnu_linker.
3533 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3535 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3536 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3538 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3540 * tree.c, tree.h (build_parse_node): Remove; was identical to
3541 build_nt.
3542 * c-lang.c (start_cdtor), objc/objc-act.c
3543 (build_module_descriptor): Use build_nt instead of
3544 build_parse_node.
3546 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3548 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3549 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3550 not have any upper bits set.
3552 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3554 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3556 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3558 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3560 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3562 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3563 (integer_minus_one_node): Define.
3565 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3567 * Makefile.in (bootstrap2-lean): Fix typo.
3569 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3571 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3572 : Don't set fe_value.
3573 * cpplib.h (AVOID_LPASTE): New flag.
3574 (struct cpp_hashnode): Remove fe_value.
3575 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3576 * cppmacro.c (builtin_macro): Don't set flags here.
3577 (replace_args): Set AVOID_LPASTE flag on first token of an
3578 argument, and the token following it.
3579 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3580 macro expansion, and on the token following it. Do it for
3581 builtins too.
3582 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3584 2001-01-27 Richard Henderson <rth@redhat.com>
3586 * config/alpha/t-ieee: Remove multilibbing.
3587 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3589 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3591 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3593 * Makefile.in: Remove all dependencies on defaults.h.
3594 * builtins.c: Don't include defaults.h.
3595 * c-common.c: Likewise.
3596 * c-decl.c: Likewise.
3597 * c-pragma.c: Likewise.
3598 * c-typeck.c: Likewise.
3599 * combine.c: Likewise.
3600 * i386.c: Likewise.
3601 * frame-ia64.c: Likewise.
3602 * cppexp.c: Likewise.
3603 * crtstuff.c: Likewise.
3604 * dbxout.c: Likewise.
3605 * dwarf2out.c: Likewise.
3606 * dwarfout.c: Likewise.
3607 * emit-rtl.c: Likewise.
3608 * except.c: Likewise.
3609 * expr.c: Likewise.
3610 * final.c: Likewise.
3611 * frame-dwarf2.c: Likewise.
3612 * libgcc2.c: Likewise.
3613 * optabs.c: Likewise.
3614 * profile.c: Likewise.
3615 * sdbout.c: Likewise.
3616 * toplev.c: Likewise.
3617 * tradcif.y: Likewise.
3618 * tree.c: Likewise.
3619 * varasm.c: Likewise.
3621 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3623 * builtins.c (expand_builtin_fputs): Use size_one_node when
3624 transforming into fwrite.
3626 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3628 * extend.texi (Attribute Syntax): New section.
3630 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3632 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3633 they didn't need fixing.
3635 2001-01-27 Janis Johnson <janis@us.ibm.com>
3637 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3638 if appropriate.
3639 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3640 to remove macro definitions that are duplicated from elfos.h.
3642 2001-01-27 Richard Henderson <rth@redhat.com>
3644 * config/i386/sco5gas.h: Move ...
3645 * config/usegas.h: ... here.
3646 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3648 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3650 * c-typeck.c (struct constructor_stack): Add range_stack member.
3651 (really_start_incremental_init): Clear it.
3652 (push_init_level): Save constructor_range_stack and clear it if
3653 pushing explicit braces.
3654 (pop_init_level): abort if constructor_range_stack is non-zero at
3655 explicit closing brace. Restore saved constructor_range_stack if
3656 not implicit.
3658 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3660 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3661 into register was forced into memory.
3663 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3665 * Makefile.in: Remove uses of + before $(MAKE).
3667 2001-01-26 Richard Henderson <rth@redhat.com>
3669 * stmt.c (cost_table): Remove.
3670 (COST_TABLE, cost_table_initialized): New.
3671 (estimate_case_costs): Use the later instead of the former.
3672 (balance_case_nodes): Likewise.
3674 2001-01-26 Richard Henderson <rth@redhat.com>
3676 * alias.c (objects_must_conflict_p): Read-only slots may not
3677 conflict despite having the same type.
3679 2001-01-27 Michael Hayes <mhayes@redhat.com>
3681 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3682 int variable.
3683 (check_ext_dependant_givs): Initialise u_start_val and
3684 u_end_val.
3685 (load_mems): Make last_max_reg unsigned.
3686 (try_swap_copy_prop): Use INSN_P and initialise set.
3688 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3690 * README.AVR : Removed.
3692 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3694 * pa-64.h (text_section): Remove declaration.
3696 * pa.md (return_internal): Remove mode on PIC register use.
3698 2001-01-25 lars brinkhoff <lars@nocrew.org>
3700 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3701 ASM_CLOSE_PAREN): fix typos.
3703 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3705 * acconfig.h: Define `const' to the empty string if neither
3706 __STDC__ nor __cplusplus is defined.
3707 * config.in: Regenerated.
3709 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3711 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3712 * collect2.c (main): Delete importf. Add ".obj" file extension.
3713 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3714 (aix_std_libs): Add additional AIX libraries to skip.
3715 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3716 * config/rs6000/aix51.h: New file.
3718 2001-01-25 Michael Hayes <mhayes@redhat.com>
3720 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3721 (loop_insn_emit_before): No longer static.
3722 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3723 (loop_givs_rescan, load_mems): Likewise.
3724 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3725 (maybe_eliminate_biv_1):
3726 (move_movables): Replace emit_call_insn_before with
3727 loop_call_insn_hoist.
3728 * loop.h (loop_insn_emit_before): Add.
3729 * unroll.c (copy_loop_body): Replace emit_insn_before with
3730 loop_insn_emit_before.
3732 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3734 * diagnostic.c (fatal): Request preprocessed source.
3736 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3738 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3739 olddecl has argument types and newdecl has none, use the argument
3740 types from olddecl.
3742 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3744 * dwarf2out.c (prefix_of): New function. Determine longest common
3745 prefix of the two arguments. The units are whole path components.
3746 (output_file_names): When adding a new directory find the one entry
3747 with the longest common prefix already in the list. Artificially
3748 generate entry if there is none for this prefix.
3749 Fix test to check whether the zeroth directory entry is used.
3751 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3753 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3754 Changed all callers. Take it into account when deciding if a
3755 previously loaded value matches.
3757 2001-01-24 Richard Henderson <rth@redhat.com>
3759 * reload.c (find_reloads_subreg_address): Fail the substitution
3760 if the resulting address is insufficiently aligned.
3762 2001-01-24 DJ Delorie <dj@redhat.com>
3764 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3765 check the original operand's mode also.
3766 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3768 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3770 * c-parse.in (cast_expr): Move compound literals from here ...
3771 (primary): ... to here. Use standard terminology "compound
3772 literal" instead of "constructor expression".
3774 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3776 * gcc.1, cpp.1: Regenerate.
3778 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3780 * calls.c (emit_library_call_value_1): Memory slot for
3781 pass-by-reference argument should have the mode of the argument,
3782 not of the pointer to it.
3784 2001-01-24 Tom Tromey <tromey@redhat.com>
3786 * gcc.texi (G++ and GCC): Mention gcj manual.
3787 (Standards): Link to section of manual mentioning gcj/Java
3788 compatibility.
3790 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3792 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3793 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3794 * tradcpp.c (main): Add -imacros or -include'd dependencies
3795 for -M*.
3796 * cpp.texi (-M, -MM): Document -M -include behaviour.
3798 2001-01-24 Roger Collins <roger@ProProject.com>
3800 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3802 2001-01-24 Will Cohen <wcohen@redhat.com>
3804 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3805 whether registers are 32 bits or 64 bits in size.
3807 2001-01-24 Ben Elliston <bje@redhat.com>
3809 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3811 2001-01-24 Richard Henderson <rth@redhat.com>
3813 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3814 (builtin_longjmp): Use it instead of emit_indirect_jump.
3816 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3818 * bb-reorder.c (make_reorder_chain_1): Handle case where
3819 jump edge goes to the same block as the fallthru edge.
3821 2001-01-23 Jim Wilson <wilson@redhat.com>
3823 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3824 * frame.h (__ia64_personality_v1): Add prototype.
3825 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3826 prototype form. Add void * cast to first argument to personality
3827 call.
3828 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3829 (asctoe113): Likewise.
3830 * config/ia64/frame-ia64.c: Include eh-common.h.
3831 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3832 prototypes.
3833 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3834 to dump parameter.
3835 (itanium_split_issue): Add prototype.
3836 (gen_nop_type): Ifdef out.
3837 (find_best_packet): Initialize best_packet.
3838 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3839 result.
3840 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3841 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3842 (flushrs): Add explicit stop bit at end.
3843 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3844 trailing \ to >.
3846 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3848 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3849 of EH symbols.
3850 * libgcc2.c (__terminate_func): Make variable static.
3851 (__terminate_set_func): New function to set __terminate_func.
3852 * libgcc2.h (__terminate_func_ptr): New typedef.
3853 (__terminate_set_func): New function.
3855 2001-01-23 Richard Henderson <rth@redhat.com>
3857 * flow.c (init_propagate_block_info): Don't consider unchanging
3858 memories for dead frame store elimination.
3860 2001-01-23 Richard Henderson <rth@redhat.com>
3862 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3863 * defaults.h: ... here.
3865 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3867 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3869 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3871 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3873 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3875 * rs6000.h (rs6000_return_addr): Move prototype from here...
3876 * rs6000-protos.h (rs6000_return_addr): ...to here.
3877 (rs6000_init_expanders): Delete prototype.
3879 2001-01-23 Nick Clifton <nickc@redhat.com>
3881 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3882 (Spec Files): Document %B and %j and %. and %v3 and %M and
3883 %{S*&T} spec switches.
3885 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3887 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3889 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3890 Neil Booth <neil@daikokuya.demon.co.uk>
3892 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3893 Have -Werror make pedantic warnings errors, like the
3894 rest of GCC.
3896 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3898 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3900 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3902 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3903 * integrate.c (expand_inline_function): Initialize them.
3904 (subst_constants): If changing COMPARE so that both its arguments
3905 will be VOIDmode and the comparison mode will be lost, note
3906 compare_mode. Use the recorded compare_mode to optimize
3907 IF_THEN_ELSE.
3909 2001-01-23 Jason Merrill <jason@redhat.com>
3911 * dwarf2out.c (new_die): Use xcalloc.
3912 (output_die): Abort rather than emit a local reference to offset 0.
3914 2001-01-17 Andrew Haley <aph@redhat.com>
3916 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3917 of a saved register; return NULL instead.
3918 (copy_reg): Take a pointer to a source register rather than a
3919 frame_state.
3920 (next_stack_level): Remember the address in the stack frame of all
3921 saved registers.
3922 Use the saved register pointer array as the source of the CFA.
3923 (throw_helper): Rewrite. Unwind once rather than twice and keep
3924 track of saved registers as we go.
3926 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3928 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3929 * c4x.c (c4x_legitimize_reload_address): Remove.
3930 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3931 reload address for ldp(k) insn.
3933 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3935 * pa.md (return_internal): Add a USE of the PIC register to ensure
3936 it is restored after each call.
3937 (return expander): Corresponding changes.
3939 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3941 * rs6000.h (INIT_EXPANDERS): Delete.
3942 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3943 * rs6000.c (rs6000_override_options): Call *_machine_status from
3944 here...
3945 (rs6000_init_expanders): ...instead of here. Delete.
3946 (rs6000_mark_machine_status): New function.
3947 (rs6000_init_machine_status): Use xcalloc.
3948 (rs6000_return_addr): Generate RTX for the return address.
3949 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3950 (rs6000_stack_info): Use it.
3952 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3954 * gthr-win32.h: Include errno.h to get a declaration for
3955 EINVAL and _mingw.h if the target is mingw32.
3957 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3959 * cpp.texi: Correct typos.
3961 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3963 * explow.c (probe_stack_range): Ensure value passed to
3964 stack_check_libfunc is ptr_mode, not Pmode.
3966 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3968 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3969 case, don't use operand_subword to calculate a SUBREG that is
3970 wider than a word.
3972 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3974 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3976 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3977 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3978 valid. If not replace it by equivalent insns.
3980 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3982 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3983 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3984 (c4x_U_constraint, symbolic_address_operand): Likewise.
3985 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3986 memory.
3987 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3988 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3989 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3990 anulling slot because of silicon bug.
3991 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3993 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3995 * cppexp.c (parse_charconst): Change `mask' type to agree
3996 with parse_escape.
3998 2001-01-21 Richard Henderson <rth@redhat.com>
4000 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4001 pic_label_name in a linkonce section.
4003 2001-01-17 Philipp Thomas <pthomas@suse.de>
4005 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4006 found in libintl.
4007 * configure: Regenerate.
4009 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4011 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4012 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4014 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4016 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4017 If REVERSE nonzero then condition code in X must be reversed.
4018 (encode_section_info): Optimise if/else.
4019 (avr_function_value): Fix formatting.
4021 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4022 (difficult_branch): Likewise.
4023 (rvbranch): Likewise.
4024 (difficult_rvbranch): Likewise.
4026 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
4028 * config/avr/libgcc.S: Fix comment.
4030 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4032 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
4034 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4036 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
4038 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4040 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
4041 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
4042 * configure, config.in: Regenerate.
4043 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
4044 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
4045 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
4046 (doprint.o): New rule.
4048 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
4050 * c-typeck.c (digest_init): Handle boolean types as scalars.
4052 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4054 * stmt.c (expand_return): Don't return anything if size is zero.
4055 Delete redundant assignment to BYTES.
4056 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
4058 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
4060 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
4061 the same as the default library function names.
4062 * config/avr/avr.md: Document special characters after '%'.
4063 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
4064 knowing which of the call-used registers are really clobbered.
4065 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
4066 New. Both quotient and remainder from one libgcc.S call.
4067 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
4068 clobber as few registers as possible.
4069 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
4071 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
4073 * cppmacro.c (funlike_invocation_p): Don't move back up to the
4074 context of the top of the stack.
4076 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4078 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4079 (fixup_var_refs_insns): ...here.
4081 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4083 * function.c (fixup_var_refs_insns): Break up into
4084 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4085 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4086 [loop over hash table entries].
4087 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4088 fixup_var_refs_insns_with_hash, to match above changes.
4090 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4092 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4093 (libgcc.a): Likewise.
4094 (stmp-multilib): Likewise.
4095 (STAGE2_FLAGS_TO_PASS): Likewise.
4097 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4099 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4100 temporary if no_new_pseudos.
4102 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4104 * cppinternals.texi: Update.
4106 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4108 * arm.c (arm_init_builtins): Re-enable builtins.
4110 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4112 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4113 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4114 element to be null, and always expect an EXPR_LIST.
4115 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4116 * sched-deps.c (sched_analyze_1): Likewise.
4117 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4119 * regclass.c (max_set_parallel): New variable.
4120 (reg_scan): Take it into account in computation of max_parallel.
4121 (reg_scan_mark_refs, case SET): Compute it.
4123 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4124 args are REG.
4125 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4126 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4128 2001-01-19 Jason Merrill <jason@redhat.com>
4130 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4131 for the abstract instance of an inline function.
4133 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4134 J"orn Rennecke <amylaar@redhat.com>
4136 * reload1.c (move2add_note_store): Treat all registers directly or
4137 indirectly derived from a base register as members of the same set
4138 of values.
4139 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4140 of base register into account.
4142 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4144 * alias.c (find_base_value): Recognize TRUNCATE.
4145 (record_set): In PLUS case, invalidate if other summand is also a
4146 base value.
4148 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4150 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4151 entry to be EXPR_LIST.
4152 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4153 be an EXPR_LIST (but not null, which other code doesn't allow).
4154 (note_stores): Properly handle PARALLEL in SET.
4155 Recursively call for top-level PARALLEL.
4156 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4157 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4159 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4161 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4163 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4164 not pfile->skipping (== 0).
4166 2001-01-17 Nick Clifton <nickc@redhat.com>
4168 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4169 machine_status.
4171 2001-01-17 Jim Wilson <wilson@redhat.com>
4173 * invoke.texi (IA-64 options): Improve.
4175 2001-01-17 Tom Tromey <tromey@redhat.com>
4177 * invoke.texi (Optimize Options): Use `{}' to around @samp
4178 argument.
4180 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4182 * invoke.texi (-fno-guess-branch-probability): New option.
4184 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4186 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4187 case of making new double-word constant.
4188 Revert last change: instead just test i3_subst_into_i2.
4190 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4192 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4193 Use q constraints instead of r.
4195 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4197 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4198 (machine_function): Define.
4199 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4200 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4201 pa_free_machine_status): New functions.
4202 (override_options): Set {init,mark,free}_machine_status to above.
4203 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4204 PIC_OFFSET_TABLE_REGNUM_SAVED.
4205 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4206 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4207 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4208 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4209 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4211 2001-01-15 DJ Delorie <dj@redhat.com>
4213 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4214 (cpp.1): Ditto.
4215 (gcc.1): Ditto.
4217 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4219 * flow.c (propagate_on_insn): Make trying to delete a prologue
4220 or epilogue insn an ICE, not a warning. Allow doing this if
4221 the current function returns with stack pointer depressed.
4223 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4224 I3 having more than one SET.
4226 2001-01-16 Jim Wilson <wilson@redhat.com>
4228 * invoke.texi: Document IA-64 options.
4230 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4231 (fixup_errata): Delete TARGET_A_STEP use.
4232 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4233 (TARGET_SWITCHES): Delete -ma-step option.
4234 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4235 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4236 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4237 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4238 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4239 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4240 Delete.
4241 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4242 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4243 cmovsi_internal): Delete ! TARGET_A_STEP check.
4245 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4247 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4248 possibility to report bugs via postal mail. Change a URL and
4249 merge in a nearly duplicate statement...
4250 (Bug Reporting): ...from here.
4251 (Service): Refer to the Bug Reporting section instead of
4252 duplicating an URL.
4253 (Contributing): Remove trivial explanations concerning snapshots.
4255 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4257 * cppmain.c (general_init): Don't use ANSI prototype.
4259 2001-01-16 Tom Tromey <tromey@redhat.com>
4261 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4263 2001-01-16 Richard Henderson <rth@redhat.com>
4265 * config/i386/i386.h: Fix comment typo.
4266 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4267 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4269 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4271 * gcc.c: Revert previous -fsyntax-only-related change; move
4272 to cp/g++spec.c.
4274 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4276 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4277 inmode after checking GET_CODE (op).
4279 2001-01-16 Richard Henderson <rth@redhat.com>
4281 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4282 (MAX_MEM_SET_LIST_LEN): New.
4283 (propagate_one_insn): Update mem_set_list_len.
4284 (invalidate_mems_from_autoinc): Likewise.
4285 (invalidate_mems_from_set): Likewise.
4286 (mark_used_regs): Likewise.
4287 (init_propagate_block_info): Likewise. Stop collecting memories
4288 when we reach MAX_MEM_SET_LIST_LEN.
4289 (mark_set_1): Likewise.
4291 2001-01-16 Richard Henderson <rth@redhat.com>
4293 * unroll.c (precondition_loop_p): Fail if no iteration
4294 variable found.
4296 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4298 * gcc.c: When -fsyntax-only is given, do not complain about
4299 unused libraries.
4301 2001-01-15 Richard Henderson <rth@redhat.com>
4303 * config/i386/i386.c (asm_output_function_prefix): Remove.
4304 (ix86_asm_file_end): New.
4305 (load_pic_register): Generate pic_label_name into a
4306 staticly allocated buffer.
4307 * config/i386/i386-protos.h: Update.
4308 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4309 (ASM_FILE_END): New.
4310 * config/i386/i386afe.h: New file.
4311 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4312 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4313 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4314 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4315 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4316 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4317 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4319 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4321 * Makefile.in (install-man): Remove explicit dependency on
4322 $(srcdir)/gcc.1.
4324 * configure.in, configure: Revert previous patch requiring perl
4325 5.6.0.
4327 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4329 * toplev.c (flag_guess_branch_prob): New.
4330 (f_options): Add guess-branch-probability option.
4331 (rest_of_decl_compilation): Only estimate branch probability if
4332 flag set.
4333 (main): set flag_guess_branch_prob.
4335 * flags.h (flag_guess_branch_prob): New.
4337 2001-01-15 DJ Delorie <dj@redhat.com>
4339 * gcc.texi (Makefile): Add documentation for Makefile targets.
4341 2001-01-15 Philip Blundell <philb@gnu.org>
4343 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4344 (is_pic): Delete.
4345 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4346 (is_pic): Delete declaration.
4347 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4348 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4349 * config/arm/arm.md (builtin_setjmp_receiver): New.
4351 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4353 * arm.c (use_return_insn): Don't try to determine the function type
4354 until after reload has completed.
4355 (arm_output_epilogue): Don't adjust the sp value recovered from the
4356 stack.
4357 (emit_multi_reg_push): Don't record dwarf information for the pc.
4358 * arm.md (eh_epilogue): The function type may have changed, so it
4359 needs to be recalculated.
4360 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4361 unwind tables on arm/netbsd.
4363 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4365 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4366 (negated_cbranchsi4): Likewise.
4368 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4370 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4371 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4372 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4373 pass -mapcs-* options to assembler.
4374 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4375 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4376 (ASM_SPEC): Call subtarget_extra_asm_spec.
4378 2001-01-15 Andreas Jaeger <aj@suse.de>
4380 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4381 warnings.
4382 (ix86_expand_builtin): Likewise.
4384 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4385 warning about comparison between signed and unsigned.
4387 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4389 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4391 2001-01-14 Ralf Baechle <ralf@gnu.org>
4393 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4394 SUBTARGET_CPP_SPEC apropriatly.
4396 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4398 * varasm.c (make_decl_rtl): Fix typo in last change.
4400 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4402 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4403 linker supports the init_priority C++ attribute.
4404 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4405 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4406 linker does not support init_priority C++ attribute.
4408 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4410 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4412 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4414 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4415 * cp/lex.c (finish_parse): Similarly.
4416 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4417 Return the number of errors encountered.
4418 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4419 * cppmain.c (main): Don't call cpp_destroy.
4421 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4423 * configure.in: Require at least perl 5.6.0 to regenerate
4424 manpages.
4425 * configure: Regenerate.
4427 2001-01-14 Richard Henderson <rth@redhat.com>
4429 * genrecog.c (DT_veclen_ge): New.
4430 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4431 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4432 (nodes_identical_1): Handle DT_veclen_ge.
4433 (write_cond, debug_decision_2): Likewise.
4435 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4437 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4438 with ...
4439 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4441 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4443 * cppmain.c (do_preprocessing): New function; most of the old
4444 main.
4445 (main): Call it to do most of the work.
4446 (cb): Move from global scope to set_callbacks ().
4447 (setup_callbacks): Get the callback pointer.
4448 (general_init, printer_init): Clean up code and comments.
4450 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4452 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4453 compiling PIC.
4455 2001-01-14 Kazu Hirata <kazu@hxi.com>
4457 * config/h8300/h8300.c (get_shift_alg): Update comments.
4459 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4461 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4462 (alloc_page, ggc_alloc): Add casts to remove warnings.
4464 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4466 * combine.c (simplify_comparison): Don't change `code' when
4467 can't reverse comparison.
4469 2001-01-14 Richard Henderson <rth@redhat.com>
4471 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4472 update all call sites. Return true for all non-label constants.
4474 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4476 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4477 parameters.
4478 (ix86_expand_branch): Update.
4479 (ix86_expand_setcc): Update to handle multiple test conditions.
4480 (expand_int_movcc): Likewise.
4481 (expand_fp_movcc): Likewise.
4482 * i386-protos.h (ix86_expand_compare): New.
4483 * i386.md (andqi_?_slp, orqi_?_slp): New.
4484 (conditional trap expander): Update call to ix86_expand_compare.
4486 2001-01-14 Richard Henderson <rth@redhat.com>
4488 * config/vax/vax.md: Use nonimmediate_operand instead of
4489 general_operand in destinations.
4491 * config/vax/vax.md (indirect_jump): Use register_operand.
4493 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4494 * config/vax/vax.md (call_pop): Turn into an expander.
4495 (call_value_pop): Likewise.
4496 (call, call_value): New.
4498 2001-01-14 Andreas Jaeger <aj@suse.de>
4500 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4501 variables.
4502 (ix86_fp_compare_mode): Add unused attribute.
4503 (ix86_expand_fp_movcc): Remove unused variable.
4504 (ix86_expand_builtin): Make fcode unsigned.
4506 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4507 (expand_expr): Add cast to avoid signed warning.
4508 (store_field): Likewise.
4509 (store_constructor_field): Likewise.
4510 (store_constructor): Likewise.
4511 (store_expr): Likewise.
4512 (clear_storage): Likewise.
4513 (emit_group_store): Likewise.
4514 (emit_group_load): Likewise.
4516 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4518 * c-common.c: Move format checking code to ...
4519 * c-format.c: ... here. New file. Reorder some functions and
4520 declarations.
4521 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4522 New functions.
4523 * c-common.h (decl_handle_format_attribute,
4524 decl_handle_format_arg_attribute): Declare.
4525 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4526 (c-common.o): Adjust dependencies.
4527 (c-format.o): New list of dependencies.
4529 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4531 * unroll.c (loop_iterations): If we cannot prove iteration variable
4532 is set once in each iteration, punt.
4534 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4536 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4537 (*strlenhi): Remove clobber (which was buggy) of output address.
4539 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4541 * Makefile.in (generated-manpages): Add gcc.1
4542 ($(srcdir)/gcc.1): New target.
4543 (maintainer-clean): Delete $(srcdir)/gcc.1.
4544 * gcc.texi: Add macros @gccoptlist and @gol.
4545 * invoke.texi: Include option summary in manpage. Mark up option
4546 summary with @gccoptlist and @gol. Use @r in one place where
4547 appropriate.
4548 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4549 * gcc.1: Generate from invoke.texi.
4551 2001-01-13 Richard Henderson <rth@redhat.com>
4553 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4554 (struct page_entry): Add group member.
4555 (struct page_group): New.
4556 (struct globals): Add page_groups member.
4557 (alloc_anon): Only define for using mmap; remove valloc call.
4558 (page_group_index): New.
4559 (set_page_group_in_use): New.
4560 (clear_page_group_in_use): New.
4561 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4562 (free_page, release_pages): Likewise.
4563 * configure.in (with-gc): Default to ggc-page always.
4565 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4567 * reload1.c (replace_pseudos_in_call_usage): Use
4568 reg_equiv_constant and reg_equiv_address, and don't try
4569 regno_reg_rtx first.
4571 2001-01-13 Richard Henderson <rth@redhat.com>
4573 * ggc-page.c (alloc_page): Round up allocation size to one page.
4574 Set e->order on extra pages.
4576 2001-01-13 Richard Henderson <rth@redhat.com>
4578 * genrecog.c (nodes_identical): Expand commentary.
4579 (write_switch): Watch out for identical nodes.
4581 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4583 * cppfiles.c (_cpp_fake_include): New function.
4584 * cpphash.h (_cpp_fake_include): New.
4585 * cpplib.c (do_line): Call _cpp_fake_include when entering
4586 header files in preprocessed input.
4587 * cppmain.c (cb_pragma_implementation): Remove handling.
4588 (setup_callbacks): Don't register pragmas.
4590 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4592 * extend.texi: Udate for CPP.
4594 2001-01-13 Andreas Jaeger <aj@suse.de>
4596 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4598 * regmove.c: Add prototype for replace_in_call_usage.
4600 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4602 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4603 struct cpp_chunk, struct htab, struct toklist,
4604 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4605 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4606 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4607 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4608 (struct macro_args): Delete.
4609 * cpphash.h: See above.
4611 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4613 * cppmain.c (struct printer): Remove no_line_dirs.
4614 (options, cb): New.
4615 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4616 : Use options rather than CPP_OPTION.
4617 (setup_callbacks): Use cb rather than pfile->cb.
4618 (main): No need to check for a buffer. Use cpp_errors.
4619 (printer_init): Don't set no_line_dirs.
4620 (maybe_print_line): Use options not no_line_dirs.
4621 (cb_file_change): Don't call print_line if -P.
4623 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4625 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4626 callbacks.
4627 * c-parse.in (finish_parse): Use cpp_errors.
4628 (__yylex): Use return value of cpp_pop_buffer.
4629 * cp/lex.c (finish_parse): Use cpp_errors.
4630 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4632 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4634 * README.AVR: URLs corrected.
4636 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4638 * c-decl.c (start_function): Don't warn if old prototype is builtin
4639 that's not in C's namespace.
4640 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4641 (_bb): Add prototype for ctime.
4642 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4644 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4646 * i386.c (ix86_fp_comparison_arithmetics_cost,
4647 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4648 ix86_fp_comparison_cost): New functions.
4649 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4650 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4651 two-branch sequences; make static.
4652 (ix86_use_fcomi_compare): Do decision according to the costs.
4653 (split_fp_branch): New.
4654 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4655 * i386-protos.h (ix86_expand_fp_compare): Remove
4656 (ix86_split_fp_branch): Declare.
4658 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4659 and ix86_comparison_operator.
4661 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4662 to make it cheaper.
4664 * i386.c (put_condition_code): Output properly the unordered/ordered
4665 compares in fp case.
4666 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4668 * tm.texi (REVERSE_CONDITION): Document.
4669 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4670 in -ffast-math mode.
4671 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4673 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4675 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4677 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4678 optimized away.
4680 * config/sh/sh.c (mova_p): Fix test for mova_const.
4682 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4684 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4685 cpp_get_options rather than dereferencing pfile and using
4686 CPP_OPTION.
4687 * scan-decls.c (scan_decls): Use return value of
4688 cpp_pop_buffer rather than CPP_BUFFER.
4690 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4692 * cppinit.c (cpp_handle_option): help_only is now part of the
4693 cpp_options structure.
4694 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4695 cpp_set_callbacks): New functions.
4696 * cpplib.h (cpp_callbacks): Break out as a named structure.
4697 (cpp_options): Move help_only here from cpp_reader.
4698 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4699 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4700 cpp_set_callbacks): New prototypes.
4701 * cppmain.c (main): Update for help_only.
4703 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4705 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4706 Also build and remove and install and uninstall c-tree.info and
4707 cppinternals.info.
4708 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4709 ($(srcdir)/cppinternals.info): New target.
4710 * c-tree.texi: Change file name used when makeinfo used without -o
4711 from ir.info to c-tree.info. Add info directory entry.
4712 * cppinternals.texi: Add info directory entry.
4713 * .cvsignore: Update.
4715 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4717 * c-typeck.c (store_init_value): Don't require constant initializer
4718 elements with -pedantic -std=c99.
4719 (digest_init): Change error about non-constant initializer elements
4720 into pedwarn.
4721 (constructor_range_end): Remove.
4722 (constructor_incremental, designator_depth,
4723 designator_errorneous): New variables.
4724 (struct constructor_stack): Remove range_end, add incremental.
4725 (struct constructor_range_stack, constructor_range_stack): New.
4726 (struct initializer_stack): Add constructor_range_stack.
4727 (finish_init): Set it.
4728 (start_init): Likewise. require_constant_elements for non-static
4729 trees only if not flag_isoc99.
4730 (really_start_incremental_init): Remove constructor_range_end, add
4731 constructor_incremental.
4732 (pop_init_level): Likewise.
4733 (push_init_level): Likewise. If implicit and the subobject had some
4734 value set already, preinitialize the level with it.
4735 Warn about missing braces only if not pushing due to designators.
4736 (set_designator, push_range_stack): New functions.
4737 (set_init_label): Use them.
4738 (set_init_index): Likewise. Remove constructor_range_end.
4739 Error if designator index is outside of array bounds.
4740 (add_pending_init): Compare values of purpose index trees, not the
4741 trees themselves. Allow overwriting of already initialized element.
4742 Issue a warning if it had side-effects.
4743 (set_nonincremental_init, set_nonincremental_init_from_string): New
4744 functions.
4745 (pending_init_member): Rename to...
4746 (find_init_member): ...this function. Call set_nonincremental_init
4747 if necessary. Compare values of purpose index trees, not the trees
4748 themselves. Return the actual value, not just non-zero if something
4749 is found.
4750 (output_init_element): Remove checks for duplicates.
4751 If field has zero size, only check the initializer for correctness.
4752 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4753 if constructor_incremental is zero. Change error about initializers
4754 not computable at load time into pedwarn.
4755 (output_pending_init_elements): Compare bit positions, not
4756 FIELD_DECLs to take into account zero-sized fields.
4757 (process_init_element): Use constructor_range_stack to fill all
4758 ranges in the designator lists from current level up.
4759 * extend.texi: Update documentation for labeled elements.
4761 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4763 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4764 to function usage for arguments passed by reference. Optimize
4765 callee-copied arguments.
4766 * regmove.c (replace_in_call_usage): New function.
4767 (fixup_match_1): Call it.
4768 * cse.c (cse_insn): Canonicalize registers in function usage.
4769 * reload1.c (replace_pseudos_in_call_usage): New function.
4770 (reload): Call it.
4772 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4773 right version.
4775 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4777 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4778 not XEXP (tmp, 0).
4780 2001-01-12 DJ Delorie <dj@redhat.com>
4782 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4783 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4784 targets.
4786 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4788 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4789 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4790 -std options alongside references to -ansi. Update some
4791 documentation for C99.
4792 * cpp.1: Regenerate.
4794 2001-01-12 Andreas Jaeger <aj@suse.de>
4796 * haifa-sched.c (restore_line_notes): Remove argument block B
4797 since it's unused.
4798 * sched-ebb.c (schedule_ebb): Change caller.
4799 * sched-rgn.c (schedule_region): Likewise.
4800 * sched-int.h (restore_line_notes): Adjust prototype.
4802 * loop.h: Remove wrong declaration of doloop_condition_get.
4804 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4806 * extend.texi: Move C++-extension-related node from the C section
4807 into the C++ section.
4809 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4811 * extend.texi: Refer to an array of pointers to functions instead
4812 of one of functions.
4814 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4815 Jan Hubicka <jh@suse.cz>
4817 * combine.c (reversed_comparison): Fix typo in last patch.
4818 Check X for NULL.
4819 (combine_reversed_comparison_code): Make static to follow
4820 prototype declaration.
4822 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4824 * install.texi: Remove misplaced duplicate entry.
4826 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4828 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4830 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4832 * final.c: (leaf_function_p): Fix typo.
4834 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4836 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4837 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4838 which you have.
4839 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4840 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4841 mmap_anon, and valloc is available.
4842 * ggc-page.c: Restructure ifdef logic to match new autoconf
4843 spec. Don't throw away the test page in init_ggc.
4845 * configure, config.in: Regenerate.
4847 2001-01-12 Michael Hayes <mhayes@redhat.com>
4849 * loop.h (total_biv_increment): Constify iv_class pointer.
4850 (struct induction): Replace `mem_mode' with `mem' rtx.
4851 * unroll.c (total_biv_increment): Constify iv_class pointer.
4852 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4853 (find_mem_givs, combine_givs_p): Likewise.
4854 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4856 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4858 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4859 LastError.
4860 (__gthread_getspecific): Ditto.
4862 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4864 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4865 put_condition_code): Convert fp comparison codes to integer
4866 before handling.
4867 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4868 to final.
4870 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4871 * i386-protos.h (no_comparison_operator): Kill.
4873 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4875 * combine.c (REVERSIBLE_CC_MODE): Remove.
4876 (reversible_comparison_p): Remove.
4877 (combine_reversed_comparison_code): New.
4878 (reversed_comparison): New.
4879 (combine_simplify_rtx): Use
4880 combine_reversed_comparison_code/reversed_comparison instead
4881 of reversible_comparison_p.
4882 (simplify_if_then_else): Likewise.
4883 (simplify_set): Likewise.
4884 (simplify_logical): Likewise.
4885 (if_then_else_cond): Likewise.
4886 (known_cond): Likewise.
4887 (simplify_comparison): Likewise.
4889 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4891 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4892 sizeof (int) is larger than sizeof(__word__).
4894 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4896 * cppinit.c (do_includes): Fix typo.
4898 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4900 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4901 in S_REGS does not occur because not all sources are possible
4902 when a S_REGS is a destination (sometimes needs a clobber).
4903 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4904 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4905 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4906 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4907 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4908 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4909 (lshrdi_const1, lshrsi3_const16): Likewise.
4910 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4911 (*movhi_68hc12, *movqi_68hc12): Likewise.
4912 (movstrictqi): Make sure reloading in D_REGS as a destination
4913 does not happen.
4915 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4917 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4919 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4921 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4922 -D, -U and -A, and don't initialize the builtins.
4923 (do_includes): Error if -include or -imacros with -fpreprocessed.
4924 * cppmain.c (cb_define, cb_undef): Unconditionally process
4925 the callback.
4926 * tradcpp.c (main): Fix typo.
4928 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4930 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4931 (read_name_map): Use IS_ABSOLUTE_PATH.
4932 * tradcpp.c (get_filename): Likewise.
4934 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4936 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4937 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4938 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4939 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4940 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4941 (cmphi_z_used): Don't use '@' for the output.
4942 (tstqi_z_used): Likewise.
4943 (cmpqi_z_used): Likewise.
4944 (one_cmplsi2): Likewise.
4946 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4948 * config/sh/sh.c (barrier_align): Recognize branch around far
4949 branch and redundant insn.
4951 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4953 * invoke.texi: Restore documentation of the drivers' switches -MD
4954 and -MMD.
4956 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4958 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4960 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4961 check-objc//%): Support parallel testing of multilibs.
4962 (TESTSUITEDIR): Set to testsuite by default, but override for
4963 parallel testing.
4964 (check-gcc, check-g++, check-g77, check-objc): Enter
4965 $(TESTSUITEDIR).
4967 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4969 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4970 * sched-deps.c (deps_may_trap_p): Likewise.
4971 * basic-block.h: Remove a comment.
4972 * flow.c (PROP_POSTRELOAD): Remove.
4973 (update_life_info): Don't add it to prop_flags.
4974 (mark_set_1): Lose the code that was enabled by it.
4976 2001-01-11 Michael Hayes <mhayes@redhat.com>
4978 * flow.c (flow_call_edges_add): New.
4979 * basic_block.h (flow_call_edges_add): New.
4981 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4983 * reload1.c (move2add_note_store): Update reg_set_luid even if
4984 base reg remains the same.
4986 2001-01-10 Nick Clifton <nickc@redhat.com>
4988 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4989 machine_function structure to zero.
4990 Add prototypes for machine_status functions.
4992 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4994 * c-common.h (CTI_VOID_LIST): Remove.
4995 (void_list_node): Likewise.
4996 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4997 (void_list_node): New macro.
4998 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4999 * config/i386/i386.c (ix86_init_builtins): Likewise.
5000 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5002 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5004 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5005 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5006 if statement.
5007 * tradcpp.c: Include mkdeps.h.
5008 (deps, print_deps_phony_targets, deps_append, output_deps,
5009 init_dependency_output, output_deps): New.
5010 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5011 deps_output): Delete.
5012 (print_deps_missing_files): Rename deps_missing_files.
5013 (inhibit_output): Make global.
5014 (main): Delete inhibit_output, deps_stream, deps_target.
5015 Use mkdeps functionality in the same way as cpplib. Remove
5016 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5017 -M and -MM. Remove old handling of deps via deps_out, and
5018 old reading of environment variables.
5019 (get_filename): Update to use deps_add_dep.
5021 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5023 * output.h (make_function_rtl): Remove prototype.
5024 (make_decl_rtl): Likewise.
5025 * varasm.c (make_function_rtl): Remove.
5026 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
5027 than from a third parameter.
5028 * tree.h (make_decl_rtl): Remove last parameter.
5029 * c-decl.c (builtin_function): Remove last argument in call to
5030 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
5031 (start_function): Likewise.
5032 * except.c (call_get_eh_context): Likewise.
5033 * expr.c (emit_block_move): Likewise.
5034 (clear_storage): Likewise.
5035 * profile.c (output_func_start_profiler): Likewise.
5036 * toplev.c (rest_of_decl_compilation): Likewise.
5037 * objc/objc-act.c (create_builtin_decl): Likewise.
5038 (synth_module_prologue): Likewise.
5039 (generate_static_reference): Likewise.
5040 (build_selector_reference_decl): Likewise.
5041 (build_class_reference_decl): Likewise.
5042 (build_objc_string_decl): Likewise.
5043 (build_protocol_reference): Likewise.
5045 2001-01-10 Richard Henderson <rth@redhat.com>
5047 * hwint.h: Revert yesterday's change.
5049 2001-01-10 Nick Clifton <nickc@redhat.com>
5051 * function.h (save_machine_status): Delete.
5052 (restore_machine_status): Delete.
5053 Amend comment describing {init|mark|free}_machine_status.
5055 * function.c (save_machine_status): Delete.
5056 (restore_machine_status): Delete.
5057 Amend comment describing {init|mark|free}_machine_status.
5058 (push_function_context_to): Remove invocation of
5059 save_machine_status.
5060 (pop_function_context_from): Remove invocation of
5061 restore_machine_status.
5063 * emit-rtl.c (init_emit_once): Amend comment describing
5064 {init|mark|free}_machine_status.
5066 * tm.texi (Per-Function Data): New node. Describe the
5067 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
5068 function pointers.
5070 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5072 * cppinit.c (OPT_g): Remove.
5073 (cpp_handle_option): Update for removed -g3.
5074 (print_help): Update.
5075 * cpplib.h (struct cpp_options): Remove debug_output.
5076 * cppmain.c (setup_callbacks, cb_define): Update.
5077 * gcc.c (cpp_options): Translate -g3 to -dD.
5079 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5081 * config/i960/i960.md: Change modifier to + on the zero_extract
5082 pattern after the (rotate -2 reg) canonicalization pattern.
5084 2001-01-10 Richard Henderson <rth@redhat.com>
5086 * config/alpha/alpha.c (alpha_free_machine_status): New.
5087 (override_options): Install it.
5088 (alpha_mark_machine_status): Verify machine non-null.
5089 * config/i386/i386.c (ix86_free_machine_status): New.
5090 (override_options): Install it.
5091 (ix86_init_machine_status): Use xcalloc.
5092 (ix86_mark_machine_status): Verify machine non-null.
5093 * config/ia64/ia64.c (ia64_free_machine_status): New.
5094 (ia64_override_options): Install it.
5095 (ia64_mark_machine_status): Verify machine non-null.
5097 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5099 * function.c (instantiate_virtual_regs): Instantiate virtual
5100 registers found in CALL_INSN_FUNCTION_USAGE.
5102 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5104 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5105 equivalent to -ansi in disabling -Di386.
5107 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5109 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5110 new functions.
5111 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5113 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5115 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5117 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5119 * invoke.texi: Document that -fcond-mismatch isn't supported for
5120 C++.
5122 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5124 * gcc.texi: Define macro gcctabopt.
5125 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5126 @command, @env and @option in some places where appropriate. Use
5127 @gcctabopt where appropriate. Put URLs and email addresses inside
5128 @w.
5130 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5132 * gcc.c (cpp_options): Set MD file name from output
5133 filename, if specified.
5134 (suffix_subst): New static variable.
5135 (do_spec): Clear it.
5136 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5137 Clear it.
5138 (give_switch): Handle suffix_subst.
5140 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5142 * invoke.texi: Fix another typo.
5144 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5146 * invoke.texi: Fix typo.
5148 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5150 * c-lang.c (lang_hooks): Update.
5151 (lang_decode_option): Remove.
5152 (lang_init_options): Rename c_init_options.
5153 * toplev.c (main): Use lang_hooks for lang_init_options
5154 and lang_decode_option.
5155 * toplev.h (lang_hooks): Add 2 new hooks.
5156 * tree.h: Remove lang_init_options and lang_decode_option.
5157 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5158 * cp/decl2.c: Similarly.
5159 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5160 (lang_hooks): Update.
5161 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5162 for consistency.
5163 (lang_init_options): Rename ffe_init_options.
5164 (lang_hooks): Update.
5165 (lang_decode_option): Remove.
5166 * java/lang.c (lang_init_options): Rename java_init_options.
5167 (lang_decode_option): Rename java_decode_option.
5168 (lang_hooks): Update.
5169 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5170 (lang_decode_option): Rename objc_decode_option.
5171 (lang_hooks): Update.
5173 2001-01-09 Nick Clifton <nickc@redhat.com>
5175 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5176 (d30v_return_addr_rtx): Delete.
5177 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5178 cfun->machine structure.
5179 (struct machine_function): Move to d30v.h
5180 (d30v_save_machine_status): Delete.
5181 (d30v_restore_machine_status): Delete.
5182 (d30v_init_machine_status): New Function.
5183 (d30v_mark_machine_status): New Function.
5184 (d30v_free_machine_status): New Function.
5185 (d30v_init_expanders): Use new functions.
5186 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5187 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5188 d30v_return_addr_rtx.
5190 * config/d30v/d30v.h (struct_machine): Move here.
5191 Add eh_epilogue_sp_ofs field.
5193 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5194 field in cfun->machine structure.
5196 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5198 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5199 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5200 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5202 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5204 * objc/lang-options.h: Remove bogus reference to
5205 Java trademark.
5207 2001-01-09 Kazu Hirata <kazu@hxi.com>
5209 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5210 return the result.
5212 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5214 * reload.c (find_reloads_address): Check for eliminable registers
5215 when substituting a constant expression for a pseudo.
5217 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5219 * c-common.c (enum format_type): Add format_type_error.
5220 (decode_format_type): New function.
5221 (decl_attributes): Use it.
5222 (format_kind_info): Adjust comment.
5224 2001-01-09 David O'Brien <obrien@BSDi.com>
5226 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5227 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5228 files in tm_file.
5229 * config/i386/gnu.h: Don't include required platform specific .h files,
5230 tm.h will do it instead.
5231 * config/i386/i386elf.h: Likewise.
5232 * config/i386/linux.h: Likewise.
5233 * config/i386/moss.h: Likewise.
5234 * config/mips/gnu.h: Likewise.
5236 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5238 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5239 (rs6000-ibm-aix3.[01]*): Likewise.
5240 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5241 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5242 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5243 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5244 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5245 (powerpc-*-eabiaix*): Likewise.
5246 (powerpc-*-eabisim*): Likewise.
5247 (powerpc-*-elf*): Likewise.
5248 (powerpc-*-eabi*): Likewise.
5249 (powerpc-*-rtems*): Likewise.
5250 (powerpc-*-linux*libc1): Likewise.
5251 (powerpc-*-linux*): Likewise.
5252 (powerpc-wrs-vxworks*): Likewise.
5253 (powerpcle-wrs-vxworks*): Likewise.
5254 (powerpcle-*-sysv*): Likewise.
5255 (powerpcle-*-elf*): Likewise.
5256 (powerpcle-*-eabisim*): Likewise.
5257 (powerpcle-*-eabi*): Likewise.
5258 (powerpcle-*-solaris2*): Likewise.
5259 * config/rs6000/aix31.h: Delete includes.
5260 * config/rs6000/aix3newas.h: Likewise.
5261 * config/rs6000/aix41.h: Likewise.
5262 * config/rs6000/aix43.h: Likewise.
5263 * config/rs6000/beos.h: Likewise.
5264 * config/rs6000/rtems.h: Likewise.
5265 * config/rs6000/sysv4.h: Likewise.
5267 2001-01-09 Kazu Hirata <kazu@hxi.com>
5269 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5270 Change an argument mode of machine_mode to shift_mode of
5271 shift_mode. Remove an extra error check.
5272 (emit_a_shift): Adopt to the new calling prototype of
5273 get_shift_alg.
5274 (function_prologue): Fix code for a monitor
5275 function. Support H8/S.
5276 (function_epilogue): Do not output pop for a monitor function.
5278 2001-01-09 Nick Clifton <nickc@redhat.com>
5280 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5281 (setup_incoming_varargs): Use sysv_varargs_p field of the
5282 cfun->machine structure.
5283 (struct machine_function): Move to rs6000.h
5284 (rs6000_save_machine_status): Delete.
5285 (rs6000_restore_machine_status): Delete.
5286 (rs6000_init_machine_status): New Function.
5287 (rs6000_free_machine_status): New Function.
5288 (rs6000_init_expanders): Use new functions.
5290 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5291 export.
5292 (struct machine_function): Move here.
5294 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5295 sysv_varargs_p field of the cfun->machine structure.
5297 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5298 Remove prototype.
5299 (rs6000_restore_machine_status): Remove prototype.
5301 2001-01-09 Richard Henderson <rth@redhat.com>
5303 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5304 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5305 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5306 (sched_analyze_2, sched_analyze_insn): Likewise.
5307 (sched_analyze, init_deps): Likewise.
5308 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5309 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5310 (compute_block_backward_dependences): Update propagate_deps call.
5312 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5314 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5316 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5318 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5319 (cpp_handle_option): Handle them.
5320 (cpp_post_options): Ensure one of -M or -MM is specified with
5321 any other -M? option.
5322 (init_dependency_output): Suppress output with -MG.
5324 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5326 * cpp.texi: Update.
5327 * invoke.texi: Update.
5329 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5331 * sh.md (reload_outsf): Generate recognizable patterns for
5332 TARGET_SH3E.
5334 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5336 * c-lang.c (lang_hooks): Update.
5337 (lang_init): Rename c_init.
5338 (lang_finish): Remove.
5339 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5340 and lang_finish ().
5341 * toplev.h (lang_hooks): Add init () and finish ().
5342 * tree.h (lang_init, lang_finish): Remove.
5343 * cp/tree.h (lang_init, lang_finish): Remove.
5344 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5345 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5346 lang_hooks): New.
5347 (lang_init, lang_finish): Remove.
5348 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5349 (lang_hooks): Update.
5350 * java/lang.c (lang_init): Rename java_init.
5351 (lang_finish): Remove.
5352 (lang_hooks): Update.
5353 * objc/objc-act.c (lang_init): Rename objc_init.
5354 (lang_finish): Remove.
5355 (lang_hoooks): Update.
5357 20001-01-09 Graham Stott <grahams@redhat.com>
5359 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5360 after `ptr` is initialised.
5362 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5364 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5365 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5366 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5367 stack adjusts, instead of r3.
5369 2001-01-09 Michael Hayes <mhayes@redhat.com>
5371 * flow.c (flow_loop_scan): Break out of ...
5372 (flow_loops_find) ... here.
5373 * basic-block.h (flow_loop_scan): New.
5374 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5375 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5377 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5379 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5380 macro_buffer_len.
5381 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5382 realloc()ing macro_buffer.
5384 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5385 if it's wider than long and the target's long is wider than the
5386 host's.
5388 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5390 Remove support for using UWIN as a host machine.
5391 * configure.in: Issue an error message.
5392 * configure: Regenerated.
5393 * config.gcc: Remove xm_* UWIN configury.
5394 * config/i386/xm-uwin.h: Remove.
5396 2001-01-08 Nick Clifton <nickc@redhat.com>
5398 * config/v850/v850.c (ra_rtx): Delete.
5399 (v850_save_machine_status): Delete.
5400 (v850_restore_machine_status): Delete.
5401 (v850_init_machine_status): New function.
5402 (v850_mark_machine_status): New function.
5403 (v850_free_machine_status): New function.
5404 (v850_return_addr): Use ra_rtx field in machine structure.
5405 (v850_init_expanders): Use new functions.
5407 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5408 * config/v850/v850.c: Change arguments to v850_output+* functions
5409 to take a const char *, to avoid compile time warning.
5410 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5411 (USER_LABEL_PREFIX): Redefine.
5413 2000-01-08 Jim Wilson <wilson@redhat.com>
5415 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5416 1 to unsigned HOST_WIDE_INT before left shift.
5418 2001-01-08 Nick Clifton <nickc@redhat.com>
5420 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5421 the machine structure has been allocated.
5422 (arm_free_machine_status): New function: Free the machine
5423 specific function structure.
5425 2001-01-08 Richard Henderson <rth@redhat.com>
5427 * jump.c (simplejump_p): Revert last change.
5429 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5431 * cppinit.c (init): Rename init_library.
5432 (cpp_create_reader): Update.
5433 * gcc.c (cpp_options): If -o given, use it as the target of
5434 any -M options.
5436 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5438 * arm.c (arm_arch5e): New variable.
5439 (all_cores): XScale is a 5TE device.
5440 (arm_override_options): Set arm_arch5e.
5441 (arm_init_builtins): __builtin_prefetch is in arch5e.
5442 * arm.h (arm_arch5e): Declare it.
5444 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5446 * arm.md (define_constants): Add defines for UNSPEC and
5447 UNSPEC_VOLATILE insns. Update all users.
5448 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5449 * arm.c (multi_register_push, note_invalid_constants)
5450 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5451 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5452 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5454 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5456 * jump.c (jump_optimize_1): Use reversed_comparison_code
5457 instead of can_reverse_comparison_p.
5458 (jump_back_p): Likewise.
5459 (invert_exp_1): Likewise.
5460 (thread_jumps): Likewise.
5461 * simplify-rtx.c (simplify_unary_operation): Likewise.
5462 (simplify_ternary_operation): Likewise.
5463 * cse.c (find_comparison_args): Convert to use
5464 can_reverse_comparison_p.
5465 (record_jump_equiv): Likewise.
5467 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5469 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5470 (EPILOGUE_USES): Define.
5471 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5472 automatically stack the LR if it isn't live.
5474 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5476 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5477 properly.
5479 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5481 * ggc-page.c (max_alignment): New structure.
5482 (MAX_ALIGNMENT): New macro.
5483 (init_ggc): Use it to round up the sizes in the
5484 extra_order_size_table.
5486 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5488 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5489 after reload.
5491 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5493 * builtins.def (BUILT_IN_FPRINTF): New entry.
5495 * c-common.c (c_expand_builtin_fprintf): New function.
5496 (init_function_format_info): Handle __builtin_fprintf.
5497 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5498 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5500 * c-decl.c (duplicate_decls): Adjust comment.
5502 * extend.texi (fprintf): Document new builtin.
5504 2001-01-07 Richard Henderson <rth@redhat.com>
5506 * jump.c (simplejump_p): Recognize any single_set jump
5507 of the proper form.
5509 2001-01-07 Richard Henderson <rth@redhat.com>
5511 * configure.in (slibdir): Accept an --with-slibdir option.
5512 Use "test" not "[" in configure. Default to $(libdir).
5514 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5515 fix typo in rm -f.
5516 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5517 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5518 (SHLIB_LINK): Create links for the soname.
5519 * config/mips/t-iris6: Likewise.
5520 * config/sparc/t-slibgcc: Likewise.
5521 * config/sparc/t-slibgcc-sld: Likewise.
5523 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5525 * config/i386/i386.c (constant_call_address_operand): Accept
5526 (const (plus (symbol_ref) (const_int))).
5527 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5528 constant_call_address_operand.
5530 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5532 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5533 and LONG_LONG_TYPE_SIZE > 32.
5535 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5537 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5538 the previous change.
5540 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5542 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5543 New.
5544 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5545 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5546 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5547 Declare.
5549 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5551 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5553 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5555 * c-lang.c (c_post_options): Call cpp_post_options.
5556 * objc/objc-act.c (objc_post_options): Similarly.
5557 * cppmain.c (main): Similarly.
5558 * fix-header.c (read_scan_file): Similarly.
5559 * cppinit.c (cpp_start_read): Move option consistency checks
5560 to cpp_post_options. Don't call init_dependency_output.
5561 If needed, add default target and main file dependency.
5562 (OPT_MD, OPT_MMD): Remove.
5563 (OPT_MF): New.
5564 (cpp_handle_option): Update for OPT_* changes.
5565 (cpp_post_options): New.
5566 (init_dependency_output): Command line -MF overrides environment
5567 variables. Don't set default target etc. Suppress output
5568 if dependencies are going to stdout.
5569 (print_help): Update.
5570 * cpplib.h (cpp_post_options): New.
5571 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5573 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5575 * jump.c (comparison_dominates_p): Support unordered compares.
5577 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5579 * simplify-rtx.c (simplify_relational_operation): Always simplify
5580 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5581 and UNGE.
5583 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5585 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5586 (nonzero_bits): Likewise.
5587 (simplify_comparison): Likewise.
5588 (num_sign_bit_copies): Likewise; return more sane value depending
5589 on STORE_FLAG_VALUE.
5590 (known_cond): Do not assume EQ to be always true for equivalent
5591 operands.
5593 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5595 * cse.c (fold_rtx): Handle unordered comparisons.
5597 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5599 * rtlanal.c (set_of_1): New static function.
5600 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5601 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5602 reg_set_last_last_regno): Remove.
5603 (set_of): New global function.
5604 (set_of_data): New structure.
5605 (reg_set_p, reg_set_last): Revamp for set_of.
5606 * rtl.h (set_of): New.
5608 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5610 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5611 * extend.texi: Document _Exit builtin.
5613 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5615 * (initialize, initialize_builtins,
5616 initialize_dependency_output, initialize_standard_includes):
5617 Rename s/initialize/init. Update.
5618 (init_dependency_output): Move to after
5619 cpp_handle_options, the correct location temporally at least.
5620 (opt_comp): Move next to init (), its caller. Fix prototype.
5621 (init): Make "initialized" local scope.
5622 (cpp_create_reader): Always call init ().
5623 (cpp_start_read): Update.
5624 (output_deps): New function, broken out of cpp_finish.
5625 (cpp_finish): Break out output_deps.
5627 2001-01-07 Richard Henderson <rth@redhat.com>
5629 * collect2.c (COFF specific stuff): Revert 12-06 patch
5630 to prototype system functions.
5632 2001-01-07 Michael Hayes <mhayes@redhat.com>
5634 * hard-reg-set.h: Add multiple include guard.
5635 * basic-block.h (struct loop): Add `sink' field.
5636 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5637 (emit_iv_add_mult): Delete.
5638 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5639 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5640 (unroll_loop): Remove end_insert_before argument.
5641 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5642 (maybe_eliminate_biv_1): Likewise.
5643 (emit_iv_add_mult): Delete.
5644 (gen_add_mult, loop_regs_update): New.
5645 (loop_insn_emit_after, loop_insn_emit_before): New.
5646 (loop_insn_sink, loop_insn_sink_or_swim): New.
5647 (emit_iv_add_mult): Delete.
5648 (scan_loop): Set loop->sink.
5649 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5650 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5651 (maybe_eliminate_biv_1): Likewise.
5652 (maybe_eliminate_biv_1): Add basic block argument.
5653 * unroll.c (unroll_loop): Remove end_insert_before argument.
5654 (find_splittable_regs): Likewise.
5655 (find_splittable_regs): Use loop_insn_sink and its ilk.
5656 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5658 2001-01-07 Michael Hayes <mhayes@redhat.com>
5660 * loop.h (loop_insn_hoist): New prototype.
5661 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5662 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5663 (check_dbra_loop, load_mems): Likewise.
5664 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5665 (find_splittable_givs): Likewise.
5667 2001-01-07 Michael Hayes <mhayes@redhat.com>
5669 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5671 2001-01-07 Richard Henderson <rth@redhat.com>
5673 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5675 2001-01-07 Richard Henderson <rth@redhat.com>
5677 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5678 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5679 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5680 variant that handles a shared libgcc.
5681 (process_command): Always validate -{static,shared}-libgcc.
5682 (do_spec_1): New 'M' case.
5683 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5685 2001-01-07 Richard Henderson <rth@redhat.com>
5687 * Makefile.in (slibdir): New variable.
5688 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5689 (installdirs): Create slibdir.
5690 (install-libgcc, install-multilib): Defer to libgcc.mk.
5691 * configure.in (slibdir): Substitute.
5692 * mklibgcc.in (install): New target.
5694 * config/t-linux (SHLIB_LINK): Create links for the soname.
5695 (SHLIB_INSTALL): New.
5696 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5697 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5698 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5699 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5700 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5702 2001-01-07 Richard Henderson <rth@redhat.com>
5704 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5705 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5706 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5708 2001-01-07 Michael Hayes <mhayes@redhat.com>
5710 * loop.c (count_loop_regs_set): Delete.
5711 (load_mems_and_recount_loop_regs_set): Delete.
5712 (loop_regs_scan): Merge common code from count_loop_regs_set,
5713 scan_loop, and load_mems_and_recount_loop_regs_set.
5714 (scan_loop): Call load_mems directly and loop_regs_scan
5715 again if new registers created.
5717 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5719 * toplev.c (main): Call the front-end specific post_options
5720 hook if one is given.
5721 * toplev.h (struct_lang_hooks, lang_hooks): New.
5722 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5723 for the C front end.
5724 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5725 lang_hooks for the C++ front end.
5726 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5727 lang_hooks for the ObjC front end.
5728 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5729 * java/lang.c (lang_hooks): Hooks for the Java front end.
5731 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5733 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5734 for verbose DWARF[2] debugging.
5735 (cb_define, cb_undef): The new callbacks.
5736 * toplev.h (debug_define, debug_undef): Make const correct.
5737 * toplev.c (debug_define, debug_undef): Similarly. Do not
5738 perform the verbosity tests here anymore.
5740 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5742 * reload.c (subst_reloads): Take INSN argument. When
5743 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5744 * reload.h (subst_reloads): Adjust prototype.
5745 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5746 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5747 present in JUMP_INSNs and copy them to JUMP_LABEL.
5748 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5749 JUMP_INSNs and insns with REG_LABELs that are followed by
5750 JUMP_INSNs with the same REG_LABEL.
5751 * sched-rgn.c (is_cfg_nonregular): Likewise.
5752 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5753 note is available.
5754 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5755 JUMP_INSNs too.
5756 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5758 2001-01-06 Richard Henderson <rth@redhat.com>
5760 * loop.c (scan_loop): Use xcalloc for the regs array.
5761 (load_mems_and_recount_loop_regs_set): Zero the new memory
5762 received from xrealloc.
5764 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5766 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5768 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5770 * integrate.c (copy_rtx_and_substitute): When copying
5771 an ignored return value, strip REG_FUNCTION_VALUE_P.
5773 2001-01-06 Michael Hayes <mhayes@redhat.com>
5775 * loop.c (debug_biv, debug_giv): New.
5776 (loop_biv_dump): Break out from ...
5777 (record_biv): ... here.
5778 (loop_giv_dump): Break out from ...
5779 (record_giv): ... here.
5780 (loop_bivs_check): Use print_simple_rtl.
5781 * unroll.c (loop_iterations): Use print_simple_rtl.
5783 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5785 * pa.md (return, return_internal): Modify patterns to prevent regrename
5786 mucking with the return pointer.
5788 2001-01-05 Richard Henderson <rth@redhat.com>
5790 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5792 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5794 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5795 version supplied by Matteo Frigo.
5797 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5799 * cpp.texi: Update for -MQ.
5800 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5801 (cpp_cleanup): Always free pfile->deps.
5802 (initialize_dependency_output): Don't create pfile->deps.
5803 (cpp_handle_option): Similarly.
5804 (OPT_MQ): New.
5805 * gcc.c (cpp_options): Handle -MQ.
5806 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5807 * mkdeps.c (base_name): Remove.
5808 (deps_init): Don't allocate vector space until it's needed.
5809 (deps_free): Only free vectors if allocated.
5810 (deps_add_target, deps_add_dep): Update for initial allocation.
5811 (deps_add_default_target): Don't strip to the base_name.
5813 2001-01-05 DJ Delorie <dj@redhat.com>
5815 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5816 (INIT_EXPANDERS): Define.
5818 * config/v850/v850.c (struct machine_function): Define.
5819 (v850_save_machine_status): New function.
5820 (v850_restore_machine_status): New function.
5821 (v850_return_addr): New function.
5822 (v850_init_expanders): New function.
5824 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5825 and v850_init_expanders.
5827 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5829 * cpplib.h (struct cpp_reader): Add help_only field.
5830 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5831 (cpp_handle_option): Set pfile->help_only if we see -h,
5832 --help, -target-help, or --version. Print version string but
5833 do not set help_only if we see -v or -version. Make text
5834 printed by -v match that printed by (-)-version.
5836 * cppmain.c (main): Exit after option parsing if
5837 pfile->help_only is true.
5839 * toplev.c (independent_decode_option): Call print_version,
5840 then exit, if we see --version (but not -version).
5841 (print_version): Split lengthy message into two lines.
5843 2001-01-05 Nick Clifton <nickc@redhat.com>
5845 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5846 temporary string for initialisation before calling ggc_alloc_string.
5848 2001-01-06 Michael Hayes <mhayes@redhat.com>
5850 * rtl.h (print_simple_rtl): New.
5851 * print-rtl.c (print_simple_rtl): New.
5852 (flag_simple): New.
5853 (print_rtx): Disable printing of flags and modes, etc.,
5854 if `flag_simple` nonzero.
5856 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5858 * function.c (fixup_var_refs): Use push_to_full_sequence where
5859 possible.
5861 2001-01-05 Michael Meissner <meissner@redhat.com>
5863 * flags.h (flag_reorder_blocks): Add declaration.
5864 (flag_rename_block): Ditto.
5866 2001-01-05 DJ Delorie <dj@redhat.com>
5868 * function.c (reorder_blocks): Make sure the flags are all reset
5869 before using them to mark blocks, else a second invocation will
5870 corrupt the block chain.
5871 (reorder_blocks_0): New, resets the flags.
5873 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5875 * cse.c (find_comparison_args): Stop if the argument is known to
5876 be constant.
5878 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5880 * config/sh/sh.md (movdf): When splitting load into pair of
5881 registers, don't clobber the register used in the address too
5882 early.
5884 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5886 * varasm.c (mark_constant_pool): Improve initial comments.
5887 (mark_constants): Move marking of constants to mark_constant.
5888 (mark_constant): New function to recursively mark all constants
5889 referred to by a constant.
5891 2001-01-05 Catherine Moore <clm@redhat.com>
5893 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5895 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5897 * cp/lang-options.h: Bring comment in line with reality.
5898 * f/lang-options.h: Likewise.
5899 * java/lang-options.h: Likewise.
5900 * objc/lang-options.h: Likewise.
5901 * ch/lang-options.h: Likewise.
5902 * f/g77.texi: And update the manual.
5904 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5905 Denis Chertykov <denisc@overta.ru>
5907 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5908 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5909 * config/avr/avr.md (all peepholes that request a scratch register):
5910 Call it, FAIL the peephole if not safe (in interrupt functions).
5912 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5914 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5916 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5918 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5919 Define.
5920 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5921 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5922 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5923 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5924 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5925 BUILT_IN_CIMAG.
5926 * extend.texi: Document these builtins.
5928 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5930 * c-common.c (lang_get_alias_set): Say we know nothing of
5931 VECTOR_TYPE aliasing.
5933 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5935 2001-01-05 Bruce Korb <bkorb@gnu.org>
5937 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5938 their x* equivalent versions for atexit-less systems
5939 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5940 systems (or any other system any more).
5942 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5944 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5945 output operands. Use arm_hard_register_operand for operand 4.
5946 (stmsi_postinc): Similarly.
5947 (ldmsi): Use arm_hard_register_operand for opernand 2.
5948 (stmsi): Similarly.
5949 * arm.c (arm_hard_register_operand): New function.
5950 * arm-protos.h (arm_hard_register_operand): Prototype it.
5952 * arm.h (HARD_REGNO_RENAME_OK): Define.
5954 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5956 * simplify-rtx.c (cfc_args): add "unordered" field.
5957 (check_fold_consts): Set unordered field.
5958 (simplify_relational_operation): Simplify the unordered
5959 comparisons.
5961 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5962 is valid.
5964 * emit-rtl.c (try_split): Fix code to mark labels.
5965 * jump.c (mark_jump_label): Make global.
5966 * rtl.h (mark_jump_label): Declare.
5968 * predict.c (estimate_probability): Handle unordred comparisons.
5970 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5972 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5973 * cppinit.c (initialize_dependency_output): Update.
5974 (cpp_finish): Output dummy targets for -MP.
5975 (OPT_MP): New.
5976 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5977 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5978 * gcc.c (cpp_options): Update to handle -MP.
5979 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5980 to quote only the default target.
5981 (deps_phony_targets): Insert a preceding newline. Rename from
5982 deps_dummy_targets for consistency.
5983 * mkdeps.h: Update
5985 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5987 * calls.c (emit_library_call_value_1): Support
5988 INIT_CUMULATIVE_LIBCALL_ARGS.
5989 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5991 2001-01-04 Richard Henderson <rth@redhat.com>
5993 * c-decl.c (finish_struct): Detect flexible array members
5994 used in an inappropriate context.
5995 * c-typeck.c (really_start_incremental_init): Special case
5996 constructor_max_index for zero length arrays.
5997 (pop_init_level): Allow initialization of flexible array
5998 members. Deprecate initialization of zero length arrays.
5999 Don't issue missing initializer warning for flexible array
6000 members or zero length arrays.
6001 (process_init_element): Don't dereference null DECL_SIZE.
6002 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6003 Don't abort for empty constructors. Use size_binop
6004 (output_constructor): Add commentary regarding zero length
6005 array futures. Abort if we try to initialize an array of
6006 unspecified length with a non-empty constructor in the middle
6007 of a structure.
6009 * extend.texi (Zero Length): Update and clarify documentation
6010 on static initialization.
6012 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6014 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6015 with more than 32767 words of local storage.
6017 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6019 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6020 for 'abs', 'labs', and 'fabs'.
6021 (c4x_expand_builtin): Likewise.
6022 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
6024 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6026 * config/sh/sh.md (prget, prset): New insn types.
6027 (return delay slot): Dont' allow prset.
6028 (call, sfunc delay slot): Don't allow prget.
6029 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
6030 for prset and prget.
6032 2001-01-05 Michael Hayes <mhayes@redhat.com>
6034 * loop.h (struct loop_reg): New.
6035 (struct loop_regs): Change to use array of `struct loop_reg'.
6036 * loop.c: Replace assortment of varrays with single regs array.
6037 (count_one_set): Delete may_not_move array argument
6038 and use regs array instead. All caller's changed.
6039 (count_loop_regs_set): Delete may_not_move and single_usage
6040 arguments and use regs array instead. All caller's changed.
6041 (find_single_use_in_loop): Replace usage array argument with pointer
6042 to regs structure. All caller's changed.
6043 (loop_optimize): Delete `moved_once' array.
6045 2001-01-05 Michael Hayes <mhayes@redhat.com>
6047 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
6048 Use it instead of loop_info->has_call for scanning loop mems.
6049 (check_dbra_loop): Replace loop_info->has_call test with
6050 loop_info->has_nonconst_call.
6052 2000-01-04 Matthew Hiller <hiller@redhat.com>
6054 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
6055 for TARGET_SH3E.
6057 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6059 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
6060 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
6062 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6064 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
6065 (flag_short_double, flag_short_wchar): Define.
6066 (c_common_nodes_and_builtins): Create many tree nodes shared
6067 between C and C++ here instead of in cp/decl.c and ...
6068 * c-decl.c (init_decl_processing): ... here.
6069 (SIZE_TYPE, WCHAR_TYPE): Don't define.
6070 (flag_short_double, flag_short_wchar): Don't define.
6071 (record_builtin_type): New function.
6072 (build_void_list_node): New function.
6073 * c-common.h (flag_short_double, flag_short_wchar,
6074 record_builtin_type, build_void_list_node): Declare.
6076 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6078 * integrate.c (expand_inline_function): Don't put a virtual
6079 register into the reg map.
6081 * function.c (fixup_var_refs_1): If force_operand didn't put
6082 the address into the target, move it there.
6084 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6086 Special-case tree_decl/tree_list allocations.
6087 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6088 (OBJECT_SIZE): New macro.
6089 (NUM_EXTRA_ORDER): Likewise.
6090 (extra_order_size_table): New variable.
6091 (NUM_ORDERS): New macro.
6092 (objects_per_page_table): New variable.
6093 (object_size_table): New variable.
6094 (G.pages): Use NUM_ORDERS to bound the array.
6095 (G.page_tails): Likewise.
6096 (DIV_ROUND_UP): Remove.
6097 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6098 (alloc_page): Use OBJECT_SIZE.
6099 (size_lookup): Don't make it const.
6100 (ggc_alloc): Use OBJECT_SIZE.
6101 (ggc_set_mark): Likewise.
6102 (ggc_get_size): Likewise.
6103 (init_ggc): Set up the object_size_table, objects_per_page_table,
6104 and adjust size_lookup.
6105 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6106 (ggc_pop_context): Use NUM_ORDERS.
6107 (clear_marks): Likewise.
6108 (sweep_pages): Likewise.
6109 (poison_pages): Likewise.
6110 (ggc_print_statistics): Use OBJECT_SIZE.
6112 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6114 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6115 Only call array_size_for_constructor if last field and array type
6116 with no upper bound.
6118 2001-01-04 Philip Blundell <philb@gnu.org>
6120 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6121 from bit 31 downwards, if this requires no more insns.
6122 (count_insns_for_constant): New helper function for above.
6124 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6126 * gencodes.c (output_predicate_decls): Remove empty initializer.
6128 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6130 * tree.c (copy_node): Remove documentation about obstacks.
6131 (buidl1): Check that nobody tries to build 2-argument nodes this
6132 way.
6134 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6136 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6137 fp_high_losum_p.
6139 * gencodes.c (output_predicate_decls): Fill empty initializer
6140 braces.
6142 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6144 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6145 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6146 or -MM.
6147 (do_include): Handle missing headers like cpp0.
6148 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6149 paths with first include pathname. Don't strcat to uninitialized
6150 string.
6152 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6154 * regrename.c (regrename_optimize): Don't rename from frame pointer
6155 if frame_pointer_needed.
6156 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6157 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6158 (ia64_reorg): Use it instead of scheduling if ! optimize.
6159 (errata_emit_nops): Properly call asm_noperands.
6160 (ia64_sched_reorder): Finish cycle if we see an asm.
6161 (ia64_variable_issue): Clear scheduling state after asms.
6163 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6165 * cpp.texi: Update for -MT.
6166 * cppinit.c (initialize_dependency_output): Add a default
6167 target if none has been given already.
6168 (no_tgt, OPT_MT): New.
6169 (cpp_handle_option): Handle -MT. Update -M etc.
6170 * cpplib.h (struct cpp_options): Remove deps_target.
6171 * gcc.c (cpp_options): Handle -MT.
6172 * mkdeps.c (struct deps): Move from mkdeps.h.
6173 (deps_calc_target): Rename deps_add_default_target. Add a
6174 default target if none has been specified already.
6175 * mkdeps.h (struct deps): Move to mkdeps.c.
6176 (deps_calc_target): Rename deps_add_default_target.
6178 2000-01-03 Richard Henderson <rth@redhat.com>
6180 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6181 Remove dead code.
6182 * c-typeck.c (push_init_level): Move checks for flexible array
6183 members and zero length arrays ...
6184 (pop_init_level): ... here. Silently discard empty initializations.
6185 Remove dead code.
6186 * varasm.c (output_constructor): Update for sizeof change to
6187 zero-length arrays.
6189 * extend.texi (Zero Length): Clarify semantics.
6191 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6193 * configure.in (tm.h): Include isns-codes.h last.
6194 * configure: Rebuilt.
6196 2001-01-03 Richard Henderson <rth@redhat.com>
6198 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6199 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6201 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6203 * tradcpp.c (main): Make sure finclude() is called with a valid
6204 indepth value while handling -include.
6206 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6208 * gencodes.c (output_predicate_decls): New function.
6209 (main): Call it.
6210 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6211 even if it is not the first time machmode.h is #included.
6212 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6213 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6214 * gcc.texi (Copyright): Added 2001.
6216 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6218 * c-common.c (c_common_lang_init): New function. Warn if format
6219 warning options which only have effects when used with -Wformat
6220 are used without -Wformat.
6221 * c-common.h (c_common_lang_init): Declare.
6222 * c-lang.c (lang_init): Call c_common_lang_init.
6223 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6225 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6227 * configure.in: Check for the mktemp command.
6228 * configure: Regenerate.
6229 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6230 $TEMP. Create temporary files with mktemp, if available at
6231 configure time; otherwise use set -C. Remove temporary files
6232 before exit.
6234 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6236 * configure.in: Require at least texinfo 4.0. Check for whether
6237 Pod::Man is sufficiently recent to regenerate GCC manpages.
6238 * configure: Regenerate.
6239 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6240 on #!.
6241 (GENERATED_MANPAGES): Define.
6242 (generated-manpages): New target. Depend on cpp.1 as well as
6243 gcov.1.
6244 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6245 configure to generated-manpages or empty) rather than on the
6246 manpages directly. Remove execute permission from installed
6247 gcov.1 as well as cpp.1.
6248 * cpp.1, gcov.1: Regenerate.
6250 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6252 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6253 tree_low_cst. Allow using cmpstrsi in more cases.
6255 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6257 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6258 sized types.
6260 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6262 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6263 * Makefile.in (HOST_CFLAGS): Mention build-make.
6265 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6267 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6268 as JUMP_INSN.
6270 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6272 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6273 a REG rtx.
6275 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6276 callers changed.
6278 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6279 reg_base_value and reg_known_value arrays.
6280 (init_alias_analysis): Add more cases to detect known values.
6281 * sched-deps.c (deps_may_trap_p): New function.
6282 (sched_analyze_2): Use it.
6284 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6286 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6287 don't discard an ASHIFTRT if we're shifting in a wider mode.
6289 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6291 * toplev.c (rest_of_compilation): Don't print basic block information
6292 when CFG isn't up to date.
6294 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6296 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6297 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6298 (UNALIGNED_SHORT_ASM_OP): Define.
6299 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6301 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6303 * fold-const.c (fold_convert): Fix typo.
6305 2001-01-02 Richard Henderson <rth@redhat.com>
6307 * c-common.h (ASM_INPUT_P): New.
6308 * c-parse.in (asm): Set it when needed.
6309 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6310 existance of an operand.
6312 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6314 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6315 (dwarf2out_frame_debug_expr): Likewise.
6316 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6318 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6320 * i386.c (ix86_split_to_parts): Return number of part required;
6321 handle TFmodes.
6322 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6323 TFmodes.
6324 (ix86_split_long_move): Use number of part returned
6325 by ix86_split_to_parts
6326 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6327 New macros.
6328 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6329 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6330 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6331 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6332 (ALIGN_MODE_128): Add TFmode.
6333 (IS_STACK_MODE): Likewise.
6334 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6335 (HARD_REGNO_OK): Support TFmodes.
6336 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6337 * i386.md (scheduler definitions): Use memory operand to determine
6338 fst/fld instructions; use mode attribute to determine real mode of
6339 the instruction.
6340 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6341 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6343 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6345 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6347 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6349 * expr.c (store_constructor_field): Update ALIGN before calling
6350 store_constructor.
6352 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6354 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6355 host_integerp.
6357 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6359 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6360 incomplete type.
6362 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6364 * c-decl.c (start_function): Don't warn on third parameter to main.
6366 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6368 * tsystem.h: Define HAVE_DECL_GETOPT.
6370 2001-01-02 Philip Blundell <pb@futuretv.com>
6372 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6373 of input operand.
6375 2001-01-02 Richard Henderson <rth@redhat.com>
6377 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6379 2001-01-02 Andreas Jaeger <aj@suse.de>
6381 * c-decl.c (c_decode_option): Remove support of
6382 -Wmissing-noreturn.
6384 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6385 (W_options): Add -Wmissing-noreturn here.
6387 * flow.c: Define lang_missing_noreturn_ok_p.
6388 (check_function_return_warnings): Use it.
6390 * c-common.h: Declare lang_missing_noreturn_ok_p.
6392 * c-lang.c (c_missing_noreturn_ok_p): New function.
6393 (lang_init): Set lang_missing_noreturn_ok_p.
6395 * invoke.texi (Warning Options): Document this.
6397 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6399 * extend.texi (C++ Extensions): New node for C++ attributes;
6400 describe init_priority and com_interface.
6401 * invoke.texi: Remove -finit-priority as it now has zero effect.
6402 * install.texi: Fix xref syntax.
6403 * md.texi: Likewise.
6405 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6407 * config.gcc (sparc64-wrs-vxworks*): New case.
6408 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6410 * config/sparc/sparc.c (sparc_override_options): Do support different
6411 pointer and architecture size.
6412 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6413 (POINTERS_EXTEND_UNSIGNED): Define.
6414 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6415 (FUNCTION_MODE): Define to be Pmode.
6416 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6418 * function.c (expand_function_end): Properly handle DECL_RESULT
6419 and copy when ptr_mode != Pmode.
6420 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6422 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6424 * c-common.c (c_common_nodes_and_builtins): Set prototype
6425 parameters for __builtin_fputs, __builtin_fputc and
6426 __builtin_fwrite. Don't declare plain fputc as a builtin.
6428 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6430 * loop.c (add_label_notes): Increment the label usage count when
6431 a note is added to an insn which refers to a CODE_LABEL.
6432 * gcse.c (add_label_notes): Likewise.
6434 2001-01-01 Andreas Jaeger <aj@suse.de>
6436 * loop.c (scan_loop): Use xmalloc to allocate movables.
6438 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6440 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6441 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6442 * reload1.c (REGISTER_MOVE_COST): Likewise.
6443 * regclass.c (REGISTER_MOVE_COST): Likewise.
6444 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6445 dimension. Adjust all users.
6446 (init_reg_sets_1): Iterate on all modes.
6447 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6448 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6449 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6450 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6451 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6452 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6453 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6454 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6455 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6456 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6457 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6458 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6459 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6460 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6461 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6462 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6463 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6464 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6465 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6466 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6467 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6468 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6469 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6470 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6471 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6472 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6473 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6475 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6477 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6478 arg VARIES_P. Call it with extra arg.
6479 (true_dependence): Likewise.
6480 * rtl.h (rtx_addr_can_trap_p): Declare.
6481 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6482 prototypes.
6483 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6484 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6485 pic offset table register if it's zero. All callers changed.
6486 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6488 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6490 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6491 STRING_POOL_ADDRESS_P.
6493 * config/sparc/sparc.c (input_operand): Properly test for short op.
6495 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6496 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6497 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6498 * config/sparc/elf.h: No longer include sol2.h.
6499 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6500 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6502 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6504 2001-01-01 Michael Hayes <mhayes@redhat.com>
6506 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6507 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6508 (record_initial): Likewise.
6509 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6510 (remap_split_bivs): Likewise.
6512 2001-01-01 Michael Hayes <mhayes@redhat.com>
6514 * loop.c (loop_ivs_free): New function.
6515 (strength_reduce): Break out from...
6517 2001-01-01 Michael Hayes <mhayes@redhat.com>
6519 * loop.h (struct iv): New.
6520 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6521 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6522 'reg_biv_class' fields with 'regs' and 'n_regs'.
6523 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6524 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6525 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6527 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6529 * resource.c (mark_referenced_resources): Abort() before
6530 attempting to mark a pseudo register.
6531 (mark_set_resources): Likewise.
6533 2001-01-01 Michael Hayes <mhayes@redhat.com>
6535 * loop.h (REG_IV_CLASS): New accessor macro.
6536 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6537 * unroll.c (REG_IV_CLASS): Likewise.
6539 See ChangeLog.4 for earlier changes.