1 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
3 * gcc.texi: Remove obsolete information relating to build and
4 installation problems with enquire or the Pyramid C compiler.
6 2001-03-17 Richard Henderson <rth@redhat.com>
8 * dwarf2out.c (queue_reg_save): New.
9 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
10 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
12 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
13 (cfa, cfa_store, cfa_temp): Make static.
14 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
16 2001-03-17 Richard Henderson <rth@redhat.com>
18 * integrate.h (struct inline_remap): Add local_return_label.
19 * integrate.c (expand_inline_function): Initialize it and emit
20 it after copy_insn_notes.
21 (copy_insn_list): Don't store local_return_label here.
22 (copy_insn_notes): New function split out from copy_insn_list.
24 2001-03-17 Richard Henderson <rth@redhat.com>
26 * dwarf2out.c (lookup_filename): Emit .file if the assembler
27 is generating .debug_line.
28 (dwarf2out_init): Add main_input_filename to the file table first.
29 * configure.in (as_dwarf2_debug_line): Test with file number 1
30 instead of file number 0.
32 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
34 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
35 (gen_rtx_combine): Deleted; all references changed as appropriate.
36 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
38 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
40 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
42 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
45 2001-03-16 Jim Wilson <wilson@redhat.com>
47 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
48 then set it to LOC_REG (79) instead of aborting.
50 2001-03-16 Phil Edwards <pme@sources.redhat.com>
52 * gccbug.in: Remove high priority.
54 2001-03-16 Richard Henerson <rth@redhat.com>
56 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
57 output with a space instead of deleting it.
58 * configure: Regenerate.
60 2001-03-16 Zack Weinberg <zackw@stanford.edu>
62 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
63 handles the gory details of converting an object file into
64 something that's safe to grep.
65 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
66 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
67 newlines at either end of the string we're looking for.
68 Make 'checking ...' message less stilted.
69 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
70 ARM in-memory layout and its hypothetical converse. Don't
71 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
72 HOST_WORDS_BIG_ENDIAN.
74 * configure.in: Adjust for renamed macro. Move
75 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
76 * configure, config.in: Regenerate.
78 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
80 * fixinc/Makefile.in: Set SHELL.
82 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
84 * fixinc/fixincl.c (fix_with_system): Quote file names before
85 passing them to shell.
87 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
89 * Makefile.in: Use fix-header$(build_exeext) instead
92 2001-03-16 Richard Henderson <rth@redhat.com>
94 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
95 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
96 (size_of_line_prolog): Remove.
97 (output_line_info): Compute prologue size via label difference.
98 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
100 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
101 assembler error when redefining file numbers.
102 * config.in, configure: Rebuild.
104 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
105 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
106 (dw2_asm_output_delta_uleb128): Likewise.
107 (dw2_asm_output_delta_sleb128): Similarly.
108 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
110 2001-03-16 Michael Meissner <meissner@redhat.com>
112 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
114 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
116 (BITMASK_LOWER16): Replacement for 0x0000ffff.
118 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
119 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
120 being unsigned in ISO C and signed in traditional.
121 (expand_prologue): Ditto.
122 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
124 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
126 (divsi3,divdi3): Ditto.
127 (modsi3,moddi3): Ditto.
128 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
129 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
130 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
133 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
135 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
136 SSE based conditional moves on LTGT/UNEQ conditions;
137 Canonicalize EQ to NE.
138 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
139 (sse_mov?fcc_ne): New.
141 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
143 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
145 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
146 register may be dead.
148 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
150 * Makefile.in (hash.o): Depend on CONFIG_H.
152 2001-03-15 Mark Mitchell <mark@codesourcery.com>
154 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
156 2001-03-15 Richard Henderson <rth@redhat.com>
158 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
159 (ASM_OUTPUT_DWARF_PCREL): New.
160 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
162 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
164 * cppfiles.c (stack_include_file): Use MAX of sysp.
166 2001-03-15 Steve Ellcey <sje@cup.hp.com>
168 * config.gcc (ia64*-*-hpux*): New case.
169 * config/ia64/hpux.h: New file for HP-UX support.
170 * config/ia64/t-hpux: New file for HP-UX support.
172 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
174 * fixinc/inclhack.def (irix_stdio_va_list): New.
175 * fixinc/fixincl.x: Rebuilt.
177 2001-03-15 Richard Henderson <rth@redhat.com>
179 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
180 if provided by the target.
181 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
182 (dw2_asm_output_addr): New.
183 * dwarf2asm.h (dw2_asm_output_addr): Declare.
184 * dwarf2out.c (output_cfi): Use it for program addresses.
185 (output_call_frame_info, output_die): Likewise.
186 (output_aranges, output_line_info): Likewise.
188 2001-03-15 Bruce Korb <bkorb@gnu.org>
190 * gcc.c(main): make more rigorous
191 * collect2.c(main): guard against ignoring SIGCHLD
192 * protoize.c(main): ditto
193 * gcc/fixinc/fixincl.c(initialize): ditto
195 2001-03-15 Mark Mitchell <mark@codesourcery.com>
197 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
198 (sdbout_parms): Likewise.
200 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
202 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
203 "widen" a destination that is already wider than a word. Also do
204 not widen if LOAD_EXTEND_OP is NIL for the given mode.
206 2001-03-15 Bernd Schmidt <bernds@redhat.com>
208 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
210 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
212 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
214 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
216 * i960.h (i960_maxbitalignment,
217 i960_last_maxbitalignment): Declare.
218 * i960.c (i960_maxbitalignment,
219 i960_last_maxbitalignment): Make global.
220 (process_pragma): Delete.
221 (i960_pr_align, i960_pr_noalign): Move from here ...
222 * i960-c.c: ... to this new file.
223 * t-960bare (i960-c.o): New rule.
224 * t-vxworks960 (i960-c.o): Likewise.
225 * config.gcc (i960-*-*): Define c_target_objs and
228 2001-03-15 Bernd Schmidt <bernds@redhat.com>
230 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
231 without adding in rtx code and mode.
233 * alias.c (init_alias_analysis): Don't use any rtx whose value
234 varies as a known value.
235 Delete a superfluous test.
237 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
239 (ia64_sched_reorder): Call maybe_rotate; also rotate after
240 scheduling a stop bit.
241 (ia64_emit_nops): Correctly handle ASMs.
243 2001-03-15 Mark Mitchell <mark@codesourcery.com>
245 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
247 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
249 * cpp.texi: Update documentation for -include and -imacros.
250 * cppfiles.c (struct include_file): Remove "defined" memeber.
251 (find_or_create_entry): Make a copy of the file name, and
253 (open_file): Update to ensure we use the simplified filename.
254 (stack_include_file): Don't set search_from.
255 (cpp_included): Don't simplify the path name here.
256 (find_include_file): New prototype. Call search_from to
257 get the start of the "" include chain. Don't simplify the
259 (_cpp_execute_include): New prototype. Move diagnostics to
260 do_include_common. Update.
261 (_cpp_pop_file_buffer): Don't set defined.
262 (search_from): New prototype. Use the preprocessor's cwd
263 for files included from the command line.
264 (read_name_map): Don't simplify the pathname here.
265 * cpphash.h (enum include_type): New.
266 (struct buffer): Delete search from. New search_cached.
267 (_cpp_execute_include): Update prototype.
268 * cppinit.c (do_includes): Use _cpp_execute_include.
269 * cpplib.c (do_include_common): New function.
270 (do_include, do_include_next, do_import): Use it.
272 2001-03-14 Mark Mitchell <mark@codesourcery.com>
274 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
275 contents of the RTL, to determine the name of the object.
277 2001-03-14 Mark Mitchell <mark@codesourcery.com>
279 * tree.h (DECL_RTL): Allocate RTL lazily.
280 (SET_DECL_RTL): New macro.
281 (DECL_RTL_SET_P): Likewise.
282 (COPY_DECL_RTL): Likewise.
283 (DECL_RTL_IF_SET): Likewise.
284 * varasm.c (make_decl_rtl): Add assertions about the kind of
285 declaration we are processing.
286 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
287 (start_decl): Likewise.
288 (finish_decl): Likewise.
289 * c-semantics.c (emit_local_var): Likewise.
290 * calls.c (expand_call): Likewise.
291 * dbxout.c (dbxout_symbol): Likewise.
292 * emit-rtl.c (unshare_all_rtl): Likewise.
293 (unshare_all_decls): Likewise.
294 (reset_used_decls): Likewise.
295 * expr.c (store_constructor): Likewise.
296 (safe_from_p): Likewise.
297 (expand_expr): Likewise.
298 * function.c (put_var_into_stack): Likewise.
299 (instantiate_decls_1): Likewise.
300 (assign_parms): Likewise.
301 (expand_function_start): Likewise.
302 (expand_function_end): Likewise.
303 * ggc-common.c (gcc_mark_trees): Likewise.
304 * integrate.c (function_cannot_inline_p): Likewise.
305 (copy_decl_for_inlining): Likewise.
306 (expand_inline_function): Likewise.
307 (integrate_parm_decls): Likewise.
308 (integrate_decl_tree): Likewise.
309 * print-tree.c (print_node): Likewise.
310 * reg-stack.c (stack_result): Likewise.
311 * stmt.c (label_rtx): Likewise.
312 (expand_return): Likewise.
313 (expand_decl): Likewise.
314 (expand_decl_cleanup): Likewise.
315 (expand_anon_union_decl): Likewise.
316 * toplev.c (check_global_declarations): Likewise.
317 (rest_of_decl_compilation): Likewise.
318 * tree.c (simple_cst_equal): Likewise.
319 * objc/objc-act.c (generate_static_references): Likewise.
321 2001-03-14 Zack Weinberg <zackw@stanford.edu>
323 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
324 gcc_AC_C_FLOAT_FORMAT): New macros.
325 * configure.in: Add AC_PROG_CPP after CC tests;
326 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
327 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
328 * configure, config.in: Regenerate.
330 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
331 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
332 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
333 config/i370/xm-linux.h, config/i370/xm-oe.h,
334 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
335 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
336 config/pa/xm-linux.h, config/pa/xm-pa.h,
337 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
338 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
339 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
340 config/we32k/xm-we32k.h: Delete.
342 * config/i370/xm-mvs.h, config/m88k/m88k.h,
343 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
344 config/vax/xm-vms.h: Don't define any of:
345 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
347 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
349 * config.gcc: Remove references to deleted files.
350 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
351 FATAL_EXIT_CODE, which is the same between oe and mvs).
353 2001-03-14 DJ Delorie <dj@redhat.com>
354 Vladimir Makarov <vmakarov@redhat.com>
356 * config/i960/i960.c (i960_function_prologue): Compute size of
357 frame according to number of registers actually saved there.
359 2001-03-14 Richard Henderson <rth@redhat.com>
361 * expr.c (emit_move_insn_1): Fix else if around #endif.
363 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
366 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
369 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
371 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
372 (override_options): Parse cmodel string.
373 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
374 * i386.h (TARGET_OPTIONS): Add "cmodel".
375 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
377 (ix86_cmodel_string, ix86_cmodel): Declare.
379 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
382 * i386.h (GENERAL_REG_P): Add missing REG_P.
384 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
386 * configure.in: Use $gcc_cv_as instead of $as.
387 * configure: Regenerated.
389 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
391 * cppfiles.c (stack_include_file): Only increase the include
392 count if we actually process the file properly, as opposed
393 to treating it as length zero. Only call read_include_file
394 if not DO_NOT_REREAD. Handle the -H include file output
396 (read_include_file): Remove now redundant DO_NOT_REREAD check.
397 (cpp_included, find_include_file): Simplify pathnames after
398 remapping them. If remapping, don't use the remapped file
399 name's buffer as our scratch buffer.
400 (cpp_pop_file_buffer): Replace the multiple include macro
401 only if it isn't yet set.
402 (read_name_map): Simplify remapped names when reading in.
403 (remap_filename): Move code to code path that uses it.
404 (_cpp_simplify_pathname): Return the input pointer.
405 * cpphash.h (_cpp_simplify_pathname): Update prototype.
407 2001-03-14 Mark Mitchell <mark@codesourcery.com>
409 * expr.c (expand_expr): Revove bogus conditional.
411 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
413 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
415 2001-03-14 Jakub Jelinek <jakub@redhat.com>
417 * reg-stack.c (stack_result): Unconditionally use
418 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
420 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
422 * expr.c (emit_move_insn_1): Split push of complex value when
423 no suitable push instruction exist.
425 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
428 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
430 * alias.c (handled_component_p, can_address_p): New functions.
431 (get_alias_set): Use them.
433 2001-03-13 Jim Wilson <wilson@redhat.com>
435 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
436 from 80 in try_locals code.
437 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
439 2001-03-13 Zack Weinberg <zackw@stanford.edu>
441 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
442 gcc_AC_C_LONG_LONG): New.
443 * configure.in: Use them. Probe the size of short, int, long,
444 and long long/__int64 if we have them. Move all the AC_C_*
445 checks together, except gcc_AC_C_CHAR_BIT which has to go
446 after AC_CHECK_HEADERS(limits.h).
447 Take hwint.h out of host_xm_file and build_xm_file.
449 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
450 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
451 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
452 Move the HOST_WIDEST_INT setup logic here from system.h.
453 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
455 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
456 is now handled by hwint.h.
458 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
459 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
460 config/ia64/xm-ia64.h: Don't define any of:
461 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
462 HOST_BITS_PER_LONGLONG.
464 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
465 config/h8300/xm-h8300.h, config/mips/iris6.h,
466 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
467 config/sparc/xm-sp64.h: Delete.
468 * config.gcc: Remove references to deleted files.
470 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
471 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
472 * config/i370/xm-linux.h: Clarify floating-point situation in
475 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
477 * cppfiles.c (NO_INCLUDE_PATH): New macro.
478 (find_include_file): Decide here which part of the include
479 chain to start the search. Complain about an empty include
480 chain in all cases apart from an abolsute file name.
481 (_cpp_execute_include): Don't choose the search chain here.
482 Don't call handle_missing_include in the case of an empty
484 (_cpp_compare_file_date): Don't choose the search chain here.
485 * cpplib.c (do_include_next): Move the in-main-file diagnostic
486 here from _cpp_execute_include. Behave like #include if
487 we're in the main file.
489 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
491 * system.h (malloc, realloc, calloc, strdup): Only poison these
492 tokens when IN_GCC is defined.
494 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
496 * i386.md (abs?f expander): Support SSE case.
497 (abd?f_if): Add new "USE"; add splitters.
499 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
501 * cpp.texi (poison): Explain the macro expansion exception.
503 2001-03-13 Jakub Jelinek <jakub@redhat.com>
505 * expr.c (store_expr): Add dont_store_target. If temp is already in
506 target before copying to reg, don't store it into target again.
508 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
510 * cppinternals.texi: Update for file handling.
512 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
514 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
515 2001-02-24 which broke building the Java library.
516 * function.c (identify_blocks): Likewise.
517 (all_blocks): Likewise.
518 * integrate.c (integrate_decl_tree): Likewise.
519 * print-tree.c (print_node): Likewise.
520 * tree.h (BLOCK_NUMBER): Likewise.
521 (struct tree_block): Likewise.
523 2001-03-12 David Edelsohn <edelsohn@gnu.org>
525 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
526 __WCHAR_TYPE__ definition.
527 (WCHAR_TYPE_SIZE): #undef before #define.
529 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
531 * cppfiles.c: Update comments.
532 (destroy_include_file_node): Rename destroy_node.
533 (find_or_create_entry): New function.
534 (open_file, _cpp_fake_include): Use it.
535 (handle_missing_header): New function, broken out of
536 _cpp_execute include. Don't segfault if there is no
537 system or quoted path.
538 (_cpp_execute_include): Use handle_missing_header.
540 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
542 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
543 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
545 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
547 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
548 unless anti_dependence says they are.
549 * alias.c (objects_must_conflict): If neither has a type specified,
552 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
553 David Billinghurst <David.Billinghurst@riotinto.com>
555 * config/mips/iris5.h: Change WCHAR_TYPE to int.
557 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
559 * i386.md (trunctfdf2_2): Rename missnamed pattern.
560 (*_one_bit): Remove type on the match_operand in attributes.
562 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
564 * i386.c: Commit forgotten hunk in previous patch.
565 (regclass_map): Add extended registers.
566 (dbx_register_map): Add missing frame register.
568 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
570 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
572 * i386.md (x86_sahf_1): Disable for 64bit.
573 (popsi*, pophi*): Likewise.
574 (pushqi, pushhi): Likewise.
575 (movdi, pushdi): Likewise.
576 (zero extend DImode splitter): Likewise.
577 (adddi, minusdi splitter): Likewise.
578 (umulsidi): Likewise.
580 (mulsidi): Disable for 64bit
581 (lshift:DI/ashift:DI): Disable for 64bit.
582 (loop patterns): Likewise.
583 (call_pop, call_value_pop expanders and patterns): Likewise.
584 (prologue_get_pc): Likewise.
586 (fcmovDI pattern and splitter): Likewise.
587 (movdfcc_1_rex64): New.
589 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
591 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
592 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
593 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
594 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
595 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
596 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
597 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
598 (PUSH_ROUNDING): x86_64 rounds to 64bits.
599 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
600 (REGPARM_MAX): Set to 6 for x86_64.
601 (SSE_REGPARM_MAX): Set to 16 for x86_64.
602 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
605 * (patterns that does use upper halves): Update constraints
606 'q' to 'Q' and 'r' to 'R'.
607 (cmpqi_ext_1): Disable for 64bit.
608 (cmpqi_ext_3_insn): Likewise.
609 (movqi_extzv_1): Likewsie.
610 (addqi_ext_1): Liekwsie
611 (testqi_ext_1): Liekwsie
612 (andqi_ext_1): Liekwsie
613 (xorqi_ext_1): Liekwsie
614 (cmpqi_ext_1_rex64): New.
615 (cmpqi_ext_3_insn_rex64): Likewise.
616 (movqi_extzv_1_rex64): Likewsie.
617 (addqi_ext_1_rex64): Liekwsie
618 (testqi_ext_1_rex64): Liekwsie
619 (andqi_ext_1_rex64): Liekwsie
620 (xorqi_ext_1_rex64): Liekwsie
622 2001-03-11 Zack Weinberg <zackw@stanford.edu>
624 * configure.in: Move check for unsigned enumerated bitfields
625 to macro in aclocal.m4. Disable it for now.
626 * configure, config.in: Regenerate.
627 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
628 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
629 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
630 kind above its first use.
632 * config/xm-interix.h, config/alpha/xm-alpha.h,
633 config/i370/xm-linux.h, config/i386/xm-beos.h,
634 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
635 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
636 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
637 Don't define ONLY_INT_FIELDS under any circumstances.
639 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
641 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
642 config/sparc/xm-sysv4.h: Delete - now identical with some
644 * config.gcc (hppa targets): Replace xm-pahpux.h and
645 xm-papro.h with implicit xm-pa.h.
646 (sparc targets): Replace xm-sysv4.h with implicit or explicit
649 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
651 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
652 before reload_cse_noop_set_p.
654 2001-03-11 Zack Weinberg <zackw@stanford.edu>
656 * config.gcc: Where xm-host.h used to include another
657 xm-host.h, list the nested header directly in xm_file. Remove
658 references to deleted files. Can now use sparc/xm-sp64.h for
661 * config/xm-linux.h, config/arm/xm-linux.h,
662 config/i386/xm-dos.h, config/i386/xm-gnu.h,
663 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
664 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
665 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
666 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
669 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
670 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
671 bother to wrap #undef in #ifdef.
672 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
673 Don't include xm-linux.h.
674 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
676 * configure.in: Wrap regexps using [] in changequote block.
677 Use expr : not echo | grep. Simplify regexps.
678 * configure: Regenerate.
680 56 xm-files remain, 22 xm-arch.
682 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
684 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
685 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
686 (local_index, local_rindex): Delete, use strchr/strrchr instead.
687 (copy_object): Fix format specifier vs argument mismatch.
689 * mips-tdump.c: Make local functions static.
690 (rindex): Don't #undef.
691 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
692 (fatal, fancy_abort): Delete.
693 (read_seek): Avoid signed/unsigned compare.
695 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
697 * combine.c (try_combine): Fix error in change to try original
699 (gen_rtx_combine): Do same as gen_rtx for now.
701 2001-03-11 Zack Weinberg <zackw@stanford.edu>
703 * configure.in: AC_SUBST xm_defines.
704 * configure: Regenerate.
705 * Makefile.in: Set DEFINES=$(xm_defines) when building
708 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
710 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
711 (cpp_included, find_include_file): Update.
712 (_cpp_compare_file_date): Make else unconditional.
714 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
716 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
718 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
720 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
721 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
723 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
725 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
726 if it's a record type.
728 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
730 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
731 mingw includes slightly.
733 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
735 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
736 #undef token before poisoning it.
738 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
740 * alpha.c (check_float_value): Use memcpy, not bcopy.
742 * m32r.c (m32r_sched_reorder): Likewise.
744 * vax.c (check_float_value): Likewise.
746 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
748 * toplev.c (file_name_nondirectory): Remove.
749 * toplev.h: Similarly.
750 * dwarf2out.c (compute_section_prefix): Use lbasename instead
751 of file_name_nondirectory.
753 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
755 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
756 * mips-tfile.c: Don't #undef rindex; not used.
758 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
760 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
761 (dbx64_register_map): Declare.
762 (RETURN_ADDR_RTX): Fix for 64bit.
763 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
764 (INCOMING_FRAME_SP_OFFSET): Set to 8.
765 * i386.c (dbx64_register_map): New global array.
766 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
767 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
770 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
772 * cppfiles.c (search_from): Use lbasename.
773 * mkdeps.c (deps_add_default_target): Use lbasename.
775 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
777 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
778 xcalloc in lieu of malloc, realloc & calloc.
780 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
782 * gengenrtl.c (xmalloc): Likewise.
784 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
785 really_call_* memory allocation routines.
787 * stmt.c (check_for_full_enumeration_handling): Use
788 really_call_calloc, not calloc.
790 * system.h (really_call_malloc, really_call_calloc,
791 really_call_realloc): Define.
792 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
794 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
796 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
798 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
800 * configure: Rebuilt.
801 * configure.in: Only use `lang_requires' for languages athat are
804 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
806 * invoke.texi: Fix typo.
809 2001-03-09 Zack Weinberg <zackw@stanford.edu>
811 * configure.in: Prune nonexistent files from build_xm_file,
812 xm_file, and host_xm_file lists. Warn unless they're
814 Don't generate *config.h here.
815 AC_SUBST all variables needed to generate *config.h.
816 * configure: Regenerate.
817 * mkconfig.sh: New helper script, from code removed from
819 * Makefile.in: Zap all MALLOC variables - no longer used
820 anywhere, and malloc.c doesn't exist.
821 Substitute in variables needed to generate *config.h.
822 Stop lying about the dependencies contained in CONFIG_H and
824 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
825 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
826 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
827 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
828 $(TM_P_H), etc. as appropriate.
830 * config.gcc: Zap references to deleted files.
831 * ggc-none.c: Don't include rtl.h or tm_p.h.
833 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
834 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
835 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
836 config/i386/xm-linux.h, config/i386/xm-linux.h,
837 config/i386/xm-next.h, config/i386/xm-openbsd.h,
838 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
839 Don't include i386/xm-i386.h.
841 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
842 config/i386/xm-i386.h, config/i860/xm-i860.h,
843 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
844 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
845 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
846 Delete (empty except comments, #includes of other deleted
847 files, and macros used nowhere).
849 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
851 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
852 independent on TARGET_FLAGS.
854 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
856 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
858 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
860 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
862 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
863 LAST_REX_SSE_REG): define.
864 (enum reg_class): Add 'LEGACY_REGS'
865 (REG_CLASS_CONTENTS): Likewise; add extended registers.
866 (SSE_REGNO_P): Recognize extended registers.
867 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
868 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
869 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
870 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
871 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
872 REG_OK_FOR_STRREG_P): Remove.
873 (HI_REGISTER_NAMES): Add extended registers.
874 (ADDITIONAL_REGISTER_NAMES): Likewise.
875 (QI_REGISTER_NAMES): Add 8bit extended registers.
876 (DEBUG_REG): Support extended registers.
877 * i386.c (regclass_map): Add extended registers.
878 (dbx_register-map): Likewise.
879 (svr4_dbx_register_map): Likewise.
880 (print_reg): Support extended registers.
881 (print_operand): Support 64bit operands.
883 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
885 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
886 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
887 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
888 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
889 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
890 STACK_BOUNDARY): Set properly for 64bits.
891 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
892 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
893 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
894 (MOVE_MAX): Set to 16.
895 (MOVE_MAX_PIECES): 8 for 64bit.
896 (Pmode): Set to SImode.
898 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
900 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
902 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
904 * i386.h (mask_64bit): New constant.
905 (target_64bit): New macro.
906 (target_options): Add '64'/'32'
907 (target_default): Define.
908 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
909 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
910 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
912 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
914 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
916 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
918 * rtlanal.c (rtx_varies_p): Check operand 0 of a
919 LO_SUM unless for_alias is set.
921 2001-03-08 Stan Shebs <shebs@apple.com>
923 * objc/objc-act.c: Fix old typos in comments, add comments for
925 (hash_init): Fix file name in error message.
927 (hash_add_attr): Ditto.
928 (continue_class): Ditto.
930 2001-03-08 Bruce Korb <bkorb@gnu.org>
932 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
933 wait4() can receive the signal.
935 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
937 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
939 * fixinc/fixincl.x: Regenerate.
941 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
943 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
945 * fixinc/fixincl.x: Regenerate.
947 2001-03-08 Richard Henderson <rth@redhat.com>
949 * configure.in (HAVE_AS_LEB128): New assembler check.
950 * configure, config.in: Rebuilt.
952 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
954 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
957 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
959 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
960 references to the MAXPATHLEN macro.
962 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
963 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
966 * config/i386/xm-gnu.h, config/xm-gnu.h,
967 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
968 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
969 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
972 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
973 doing so in various xm-*.h files.
975 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
977 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
979 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
981 * configure.in (enable_shared): Support per-package shared-library
983 * configure: Rebuilt.
985 2001-03-07 David Edelsohn <edelsohn@gnu.org>
987 * rs6000.md (cr logic): Add original POWER mnemonic alternative
988 for crnot. Set operands[5] in splitter.
990 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
992 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
993 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
994 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
995 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
996 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
997 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
998 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
1001 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
1002 config/i370/xm-i370.h, config/i386/xm-dgux.h,
1003 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
1004 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
1005 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
1006 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
1007 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
1008 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
1009 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
1010 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
1011 Delete unused and/or empty files.
1013 * config.gcc: Define USG in xm_defines as appropriate. Define
1014 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
1015 macro. Remove deleted xm-* files from $xm_files variable.
1017 2001-03-07 Tom Tromey <tromey@redhat.com>
1019 * configure: Rebuilt.
1020 * configure.in: Allow config-lang.in to set `lang_requires' to list
1021 of other required languages.
1023 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
1025 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
1027 (output_prologue): Use xmalloc not oballoc.
1028 (output_epilog): Free a29k_first_epilogue_insn when finished.
1029 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
1031 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
1033 * builtins.c (expand_builtin_mathfn): Check
1034 flag_unsafe_math_optimizations, not flag_fast_math.
1035 (expand_builtin): Likewise
1036 * combine.c (combine_simplify_rtx): Likewise.
1037 (simplify_if_then_else): Likewise.
1038 * cse.c (fold_rtx): Likewise.
1039 * flags.h: Remove flag_fast_math. Add
1040 flag_unsafe_math_optimizations and flag_trapping_math.
1041 * fold-const.c (negate_expr): Check
1042 flag_unsafe_math_optimizations, not flag_fast_math.
1043 (invert_truthvalue): Likewise.
1044 (fold): Likewise. Before associating operands, check that
1045 code == MULT_EXPR, not code != MULT_EXPR.
1046 * ifcvt.c (noce_try_minmax): Check
1047 flag_unsafe_math_optimizations, not flag_fast_math.
1048 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
1049 * invoke.texi: Document -funsafe-math-optimizations and
1050 -fno-trapping-math. Change documentation for -ffast-math.
1051 * jump.c (reversed_comparison_code_parts): Likewise.
1052 (rtx_equal_for_thread_p): Likewise.
1053 * optabs.c (emit_conditional_move): Likewise.
1054 * simplify-rtx.c (simplify_binary_operation): Likewise.
1055 (simplify_relational_operation): Likewise.
1056 (simplify_ternary_operation): Likewise.
1057 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
1058 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
1059 Add trapping-math and unsafe-math-optimizations entries to f_options.
1060 (set_fast_math_flags): New, sets flags for -ffast-math.
1061 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
1062 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
1063 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
1065 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
1066 (alpha_emit_conditional_move): Initialize local_fast_math to
1067 flag_unsafe_math_optimizations, not flat_fast_math.
1068 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
1069 instead of setting flag_fast_math to 1.
1070 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
1072 * config/i386/i386.c (override_options): Likewise
1073 * config/i386/i386.md: Likewise.
1074 * config/m68k/m68k.md: Likewise.
1075 * config/mips/mips.md: Likewise.
1076 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
1077 (rs6000_generate_compare): Likewise.
1079 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1081 * Makefile.in: Set RANLIB to @RANLIB@.
1084 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1086 * fixinc/inclhack.def (djgpp_wchar_h): New test.
1087 * fixinc/fixincl.x: Regenerated.
1089 2001-03-07 Richard Henderson <rth@redhat.com>
1091 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
1093 2001-03-07 Richard Henderson <rth@redhat.com>
1095 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
1096 of block notes and exception handling notes.
1098 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
1099 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
1100 (compile_file): ... here.
1102 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1104 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
1106 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
1107 config.h now. Include libiberty.h to handle alloca.
1109 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1111 * c-parse.in (yylexname): New function, split out of _yylex.
1112 (objc_rid_sans_at): New table.
1113 (init_reswords): Initialize it.
1114 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
1115 retrieving the next token and checking it for significance as
1116 an ObjC keyword or string constant.
1118 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
1119 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
1121 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
1124 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
1126 * config/m68k/m68k.c (const_uint32_operand): Accept any
1127 const_int on a 32-bit host.
1129 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
1131 * objc/objc-act.c (init_objc): Set save_lang_status,
1132 restore_lang_status, and mark_lang_status.
1134 2001-03-06 Krister Walfridsson <cato@df.lth.se>
1136 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
1138 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
1140 * cppinternals.texi: Update.
1142 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1144 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1145 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
1146 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
1147 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1148 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
1149 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1150 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
1151 config/i386/xm-i386.h, config/i860/xm-i860.h,
1152 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1153 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
1154 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1155 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1156 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1157 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1158 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
1159 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1160 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
1161 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1162 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1163 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
1164 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
1165 match the defaults provided in hwint.h.
1167 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1168 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
1170 * config.gcc (xm_file): Don't set to files which are deleted.
1172 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
1173 guard this file against these macros being undefined.
1175 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1177 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
1178 and DECL_DEFER_OUTPUT on the decl we create, before calling
1179 rest_of_decl_compilation.
1181 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1183 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
1185 * configure, config.in: Regenerate.
1186 * config.gcc: Remove references to deleted files.
1188 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
1189 genrecog.c, rtl.c: Do not use alloca anywhere.
1191 * Makefile.in, build-make, system.h, config/x-interix,
1192 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
1193 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
1194 config/arc/xm-arc.h, config/arm/xm-arm.h,
1195 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1196 config/h8300/xm-h8300.h, config/i370/x-oe,
1197 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
1198 config/i386/x-ncr3000, config/i386/x-sco5,
1199 config/i386/xm-dgux.h, config/i860/x-sysv4,
1200 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
1201 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
1202 config/m68k/x-hp320g, config/m69k/x-mot3300,
1203 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
1204 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
1205 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
1206 config/m88k/x-sysv4, config/m88k/x-tekXD88,
1207 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1208 config/mips/x-iris, config/mips/x-iris3,
1209 config/mips/x-sni-svr4, config/mips/x-sysv,
1210 config/mips/xm-iris6.h, config/mips/xm-mips.h,
1211 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
1212 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
1213 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1214 config/pa/xm-papro.h, config/romp/xm-romp.h,
1215 config/rs6000/x-aix31, config/rs6000/x-aix41,
1216 config/rs6000/x-beos, config/rs6000/x-lynx,
1217 config/rs6000/x-mach, config/rs6000/x-rs6000,
1218 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
1219 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1220 config/sparc/x-sysv4, config/sparc/xm-linux.h,
1221 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
1222 config/vax/xm-vms.h: Eradicate all references to alloca and
1225 * config/xm-alloca.h, config/clipper/x-clix,
1226 config/i386/xm-sysv4.h, config/i860/x-fx2800,
1227 config/i860/x-sysv3, config/m88k/x-sysv3,
1228 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
1229 (contained only alloca related hacks).
1231 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
1234 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
1236 * invoke.texi: Document __FAST_MATH__.
1238 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1240 * crtstuff.c: Restore include of auto-host.h.
1242 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
1244 Put main() in a separate file, so that the language
1245 front-end can use a different main().
1248 * toplev.c: (main): Rename as toplev_main.
1249 * toplev.h: Declare toplev_main.
1250 * Makefile.in (OBJS): add toplev.o.
1251 (BACKEND): remove toplev.o, add main.o.
1253 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1255 * cppfiles.c (search_from): Special case the empty string.
1257 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1259 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
1260 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1261 strlen or strcpy; we already know the length.
1262 (_cpp_compare_file_date): Similarly.
1263 * cpphash.h (struct cpp_reader): Delete done_initialising.
1264 (CPP_PREV_BUFFER): Delete.
1265 * cppinit.c (cpp_start_read): Don't set done_initialising.
1266 * cpplex.c (parse_string): Guarantee null-termination.
1267 (_cpp_equiv_toklists): Remove.
1268 * cpplib.c (glue_header_name): Null-terminate.
1269 (do_line): Don't leak memory.
1270 * cpplib.h (BT_WEAK): Delete.
1271 * cppmain.c (cb_ident): Strings are now null-terminated.
1273 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
1275 * gcc.c (convert_filename): Append executable suffix
1276 if NO_AUTO_EXE_SUFFIX is not defined.
1277 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
1278 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
1280 2001-03-03 David O'Brien <obrien@FreeBSD.org>
1282 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1283 * c-parse.gperf, c-gperf.h: Delete.
1284 (c-gperf.h was accidently re-added to the CVS repo in the rev
1285 1.16 commit by tromey)
1287 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1289 * cpplex.c (_cpp_lex_token): Don't warn about directives in
1290 macro arguments when looking for the '('.
1291 * cppmacro.c (funlike_invocation_p): Set parsing_args to
1292 2 when really parsing arguments; 1 when looking for '('.
1293 Always restore the lexer position.
1295 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1297 * longlong.h (umul_ppmm): Don't use a multiline string.
1299 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1301 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
1302 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
1303 t_bool in declaration because pcc can't combine volatile with typedef
1306 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
1308 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
1309 until when it is really needed.
1310 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
1311 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
1312 * i386.md (float?i?f splitter): Don't force source operand to memory
1314 (sse_movdfcc): Fix constraint.
1315 (sse_movdfcc splitter): Handle properly the second alternative.
1317 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1319 * cpplex.c (parse_string): Unconditionally pedwarn.
1321 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1324 * cppexp.c (parse_number): Update.
1325 * cpplex.c (parse_string): Pedwarn if multiline string does not
1326 result from a system header's macro.
1327 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
1328 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
1329 for function-like macros too.
1330 * c-lex.c (lex_number): Update.
1332 2001-03-03 Richard Henderson <rth@redhat.com>
1334 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
1336 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
1338 * combine.c (try_combine): If split with mode-changed scratch
1339 register didn't work, try the original mode.
1341 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
1343 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
1344 * config/c4x/c4x.h: Likewise.
1345 * stor-layout.c (compute_record_mode): Likewise.
1346 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
1348 2001-03-02 Zack Weinberg <zackw@stanford.edu>
1350 * configure.in: Kill tm.h. Include the files in the $tm_file
1351 list in all three of config.h, hconfig.h, tconfig.h, after the
1352 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
1353 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
1354 * configure: Regenerate.
1355 * Makefile.in (clean): Don't delete tm.h.
1357 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
1358 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
1359 those are not defined, set SEC and FEC to 0 and 1.
1360 * gcc.texi: Update to match.
1362 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
1363 * config/fp-bit.c, config/m68k/aux-crt2.asm,
1364 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
1365 Include tconfig.h, not tm.h.
1367 * config/xm-lynx.h, config/xm-std32.h,
1368 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1369 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1370 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1371 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1372 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1373 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1374 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1375 config/i386/xm-i386.h, config/i860/xm-i860.h,
1376 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1377 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1378 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1379 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1380 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1381 config/pa/xm-linux.h, config/pa/xm-pa.h,
1382 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1383 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1384 config/pj/xm-pj.h, config/romp/xm-romp.h,
1385 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1386 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1387 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1388 config/v850/xm-v850.h, config/vax/xm-vax.h,
1389 config/we32k/xm-we32k.h:
1391 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1393 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1394 config/i370/xm-oe.h: Don't include tm.h. Don't define
1396 * config/vax/xm-vms.h: Don't include tm.h.
1398 * config/xm-lynx.h, config/avr/xm-avr.h,
1399 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1400 Delete; made empty by above changes.
1401 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1402 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1403 Don't include config/xm-lynx.h or tm.h.
1405 * config/xm-gnu.h: Don't include fcntl.h.
1406 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1408 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1410 2001-03-02 Richard Henderson <rth@redhat.com>
1412 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1413 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1415 2001-03-02 Richard Henderson <rth@redhat.com>
1417 * Makefile.in (OBJS): Add dwarf2asm.o.
1418 * dwarf2asm.c, dwarf2asm.h: New files.
1419 * dwarf2out.c (*): Use them.
1420 (size_of_uleb128, size_of_sleb128): Remove.
1421 (output_uleb128, output_sleb128): Remove.
1422 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1423 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1424 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1425 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1426 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1427 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1428 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1429 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1430 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1431 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1432 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1433 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1434 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1435 (dwarf2out_frame_debug): Remove unused variables.
1436 (output_loc_operands): Don't abort on 8 byte constants if
1437 host integers are wide enough.
1438 (output_symbolic_ref): Remove.
1439 (size_of_die): Don't assume 4 byte host integers.
1440 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1442 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1443 something stupid with HOST_WIDE_INT to long truncation.
1444 [CONST_DOUBLE]: Likewise.
1446 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1447 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1448 * config/arm/unknown-elf.h: Likewise.
1449 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1450 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1451 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1452 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1453 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1454 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1455 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1456 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1457 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1458 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1459 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1460 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1462 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1464 * cselib.c (hash_rtx): Cast enums to unsigned int.
1466 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1468 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1469 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1471 * c-format.c (C_STD_VER): Cast to int for comparisons.
1472 (check_function_format): Cast various enums to int for &.
1473 (maybe_read_dollar_number): Likewise.
1474 (check_format_info): Likewise.
1475 (check_format_info_main): Likewise.
1476 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1477 (safe_from_p): Likewise.
1478 * varasm.c (const_hash): Cast enum to int for %.
1479 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1480 pcc enum problems with < and ++ operators.
1481 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1482 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1483 (regclass_init): Change enum class to int to iterate over reg_classes.
1484 * genrecog.c (merge_trees): Cast enums for comparison.
1485 * rtl.h (GET_CODE): Cast to enum rtx_code.
1486 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1487 (GET_MODE): Cast to enum machine_mode.
1488 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1489 (GET_NOTE_INSN_NAME): Cast enum to int.
1490 * tree.h (TREE_CODE): Cast to enum tree_code.
1491 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1492 * timevar.c (timevar_print): Change loop variable id from enum to
1494 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1495 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1496 * toplev.c (compile_file): Cast enum DFI to int.
1497 (decode_d_option): Likewise.
1499 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1501 * cppinit.c (append_include_chain): Mark "after" include file name list
1502 as a system directory.
1503 * cpp.texi: Document new behavior.
1505 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1507 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1509 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1511 * cppfiles.c (struct include_file): Update.
1512 (stack_include_file): Use search_from.
1513 (cpp_included, find_include_file): Update.
1514 (cpp_execute_include): Update. ptr->name may not be
1515 null terminated. Use the new search_from member variable
1517 (_cpp_compare_file_date): Similarly.
1518 (search_from): New function, similiar to actual_directory.
1519 (actual_directory): Delete.
1520 (remap_filename): Update. loc->name may not be null terminated.
1521 (struct file_name_list): Rename search_path. Update.
1522 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1523 search_from and dir.
1524 (struct cpp_reader): Remove actual_dirs.
1525 * cppinit.c (struct cpp_pending): Update for renamed objects.
1526 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1527 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1528 * cpplib.h (struct cpp_options): Similarly.
1530 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1532 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1533 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1534 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1535 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1536 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1537 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1538 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1539 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1540 config/i370/xm-oe.h, config/i386/xm-aix.h,
1541 config/i386/xm-i386.h, config/i386/xm-osf.h,
1542 config/i860/xm-i860.h, config/i960/xm-i960.h,
1543 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1544 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1545 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1546 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1547 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1548 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1549 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1550 config/pj/xm-pj.h, config/romp/xm-romp.h,
1551 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1552 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1553 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1554 config/v850/xm-v850.h, config/vax/xm-vax.h,
1555 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1556 Do not define TRUE or FALSE.
1558 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1559 empty by above change.
1560 * config.gcc: Remove references to these files.
1562 * configure.in: Detect stdbool.h.
1563 * configure, config.in: Regenerate.
1564 * system.h: Include stddef.h here if available.
1565 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1566 Then set up a sensible boolean type at the very end.
1568 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1569 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1571 * hash.h: Delete 'boolean' typedef and related #undefs.
1573 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1574 all uses of 'boolean' with 'bool'.
1576 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1578 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1579 * cppexp.c (lex): Cast enums for comparison.
1580 * cppinit.c (parse_option): Cast enum for comparison.
1581 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1582 (cpp_output_token): Likewise.
1583 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1584 (cpp_avoid_paste): Cast enums for minus and comparison.
1586 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1588 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1589 field to all array elements.
1591 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1593 * cpphash.h (struct cpp_reader): Add print_version field.
1594 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1595 just set print_version and other flags as appropriate.
1596 (cpp_post_options): Print version here if print_version is set.
1598 * toplev.c (exit_after_options): New flag.
1599 (independent_decode_option): Don't exit here; just set
1601 (main): Exit after calling lang_hooks.post_options if
1602 exit_after_options is true.
1604 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1605 (merge_include_chains): Adjust comment to match code.
1607 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1609 * stringpool.c (set_identifier): New function.
1610 * tree.h: Prototype it.
1612 * c-parse.in: Kill D_YES. If compiled for objc, call
1613 save_and_forget_protocol_qualifiers from init_reswords.
1614 * objc/objc-act.c (remember_protocol_qualifiers,
1615 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1616 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1618 (save_and_forget_protocol_qualifiers): New function.
1619 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1621 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1623 * c-semantics.c (prune_unused_decls): Return error_mark_node
1624 instead of (tree) 1 to stop traversing the tree chain.
1626 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1628 Fix a problem introduced by Kenner's Feb 18 change.
1629 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1630 flag_cse_skip_blocks only temporarily, not for ever.
1632 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1634 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1635 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1637 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1638 before determining its register class.
1640 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1642 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1643 from reg 4 if current_function_calls_setjmp.
1644 (gen_nop_type): New function.
1645 (ia64_emit_nops): New function.
1646 (ia64_reorg): Call it.
1647 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1649 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1650 code not to try to optimize adds with anything but a REG destination.
1652 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1653 (INSN_PRIORITY_KNOWN): New accessor macro.
1654 * haifa-sched.c (priority): Use it instead of testing priority against
1657 2001-02-28 DJ Delorie <dj@redhat.com>
1659 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1660 since that doesn't work the way gcc wants on a generic m68k.
1662 2001-02-28 Richard Henderson <rth@redhat.com>
1664 * caller-save.c (save_call_clobbered_regs): Fix typo in
1665 comparison last change.
1667 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1669 * i386.c (pentium4_cost): New.
1670 (m_PENT4): New macro.
1671 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1672 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1673 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1674 x86_memory_mismatch_stall): Add Pentium4
1675 (x86_use_q_reg, x86_use_any_reg): Kill.
1676 (override_options): Add pentium4.
1677 (incdec_operand): Return 0 for pentium4.
1678 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1679 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1680 (TARGET_PENTIUM4): Define.
1681 (enum processor_type): Add PROCESSOR_PENTIUM4.
1682 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1683 * i386.md (attribute "cpu"): Add pentium4.
1684 * invoke.texi (march): Add pentium4.
1686 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1688 * i386.md (sse_mov?fcc*): New patterns and splitters.
1689 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1690 the SSE based conditional moves.
1692 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1694 * i386.md (attribute mode): Add "TI".
1695 (movsf_1): Add pxor support; remove constant propagation splitter.
1696 (movdf_integer): Likewise.
1697 (movdf_nointeger): Likewise.
1698 (movxf constant prop splitter): Handle all modes; update for SSE.
1699 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1700 * i386.c (standard_80387_constant_p): Rewrite.
1701 (standard_sse_constant_p): New.
1702 * i386-protos.h (standard_sse_constant_p): New.
1704 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1706 * i386.md (sse_setccsf, sse_setccdf): New.
1707 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1709 * i386.c (sse_comparison_operator): Accept the supported unordered
1710 comparses; be ready for fast_math.
1711 (print_operand): Support 'D'.
1713 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1715 * jump.c (reversed_comparison_code): Kill.
1717 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1719 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1722 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1724 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1725 add missing '%' in constraints.
1727 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1729 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1730 for HOST_BITS_PER_WIDE_INT == 32 too.
1732 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1734 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1736 (insert_save, insert_restore): New parameter save_mode.
1737 (init_caller_save): Update initialization of reg_save_code
1738 and reg_restore_code.
1739 (save_call_clobbered_regs): Compute save_modes and update calls to
1740 reg_save_code and reg_restore_code.
1741 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1742 of spill; update use of reg_restore_code.
1743 (insert_save): Likewise.
1744 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1745 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1746 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1748 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1750 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1751 noce_try_store_flag_inc, noce_try_store_flag_mask,
1752 noce_try_cmove_arith):
1753 Use reversed_comparison_code instead of reverse_comparison and
1754 can_reverse_comparison_p.
1756 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1758 * jump.c (reversed_comparison_code_parts): Allow reversal of
1759 unordered compares in -ffast-math mode; reverse ordered compares
1760 for FP even w/o -ffast-math.
1762 2001-02-27 Richard Henderson <rth@redhat.com>
1764 * print-rtl.c (print_rtx) [i]: Don't print field five on
1765 NOTEs other than NOTE_INSN_DELETED_LABEL.
1767 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1769 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1770 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1772 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1774 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1775 even if walk_subtrees is 0.
1776 * c-semantics.c (prune_unused_decls): Return a non-null value to
1777 stop traversing the tree chain.
1779 2001-02-27 DJ Delorie <dj@redhat.com>
1781 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1782 register, *then* define it as the new CFA.
1784 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1786 * pa.c (override_options): Promote -fpic to -fPIC.
1787 (legitimize_pic_address): Simplify due to removal of
1788 small PIC as a code generation option.
1789 (secondary_reload_class): Similarly.
1790 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1791 (PRINT_OPERAND_ADDRESS): Similarly.
1792 * pa.md (various patterns): Similarly.
1793 (small pic lo_sum pattern): Remove.
1795 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1798 * md.texi (min, max): Document
1800 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1802 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1803 TARGET_PARTIAL_REG_DEPENDENCY.
1804 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1806 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1808 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1810 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1812 * mips.c (mips_make_temp_file): Fix thinko in last change.
1814 2001-02-26 Jason Eckhardt <jle@redhat.com>
1816 * combine.c (known_cond): Do not reverse the condition when
1817 SMAX/UMAX is being considered and the condition is for equality
1820 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1822 2001-02-26 Philip Blundell <philb@gnu.org>
1824 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1826 * config/arm/linux-elf.h: Remove historical relics related to
1827 above configurations.
1828 * config/arm/linux-oldld.h: Delete.
1829 * config/arm/linux-elf26.h: Delete.
1831 2001-02-26 Jason Merrill <jason@redhat.com>
1833 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1835 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1836 recognize a tentative definition. Lose obsolete code.
1838 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1839 variables unless necessary, either.
1841 2001-02-25 Richard Henderson <rth@redhat.com>
1843 * ifcvt.c (struct noce_if_info): Add test_bb.
1844 (noce_get_alt_condition): New.
1845 (noce_try_minmax, noce_try_abs): New.
1846 (noce_operand_ok): New.
1847 (noce_process_if_block): Use them.
1848 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1850 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1852 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1855 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1857 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1858 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1860 (mips_asm_file_end): Free temp_filename here.
1862 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1864 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1865 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1867 * config/i386/i386.md (movstrsi): Handle FAIL case.
1869 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1871 * cppinit.c (builtin_array): Update.
1872 (init_builtins): Flag builtins to warn if redefined or
1873 undefined. Define __GXX_WEAK as a normal macro.
1874 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1875 * cpplib.h (NODE_WARN): New flag.
1876 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1877 Handle __STDC__ as a builtin only on Solaris.
1878 (warn_of_redefinition): Renamed from check_macro_definition.
1879 Reverse sense of test. Always warn if NODE_WARN.
1880 (_cpp_create_definition): Use warn_of_redefinition. Flag
1881 any macro beginning with "__STDC_" to require a mandatory
1882 warning if redefined or undefined.
1884 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1886 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1887 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1888 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1889 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1890 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1891 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1892 Don't define any of:
1893 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1894 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1895 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1896 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1897 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1899 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1900 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1903 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1904 Delete now-empty file.
1906 * alpha/vms.h: Define NEED_ATEXIT here...
1907 * alpha/xm-vms.h: ...not here.
1909 * i386/cygwin.h: Don't define PARAMS.
1910 * mips/mips.c: Don't prototype mktemp. Don't define
1911 P_tmpdir. Use make_temp_file to create temporary files.
1912 Don't be clever and delete temporary files early.
1913 * config.gcc: Drop references to deleted files. Don't define
1915 * gcc.texi: Don't mention USE_PROTOTYPES.
1917 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1919 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1920 (ix86_set_move_mem_attrs_1): Likewise.
1921 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1922 * config/i386/i386.md (movstrsi): Call it.
1924 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1926 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1927 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1928 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1929 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1931 (i750a-*-*): Error here if hosting on i750a.
1932 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1934 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1935 Remove (empty modulo comments).
1937 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1938 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1939 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1940 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1941 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1942 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1944 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1945 Remove reference to winnt.h in comment.
1946 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1948 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1950 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1951 used to set another biv.
1953 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1955 * tree.h (BLOCK_DEAD): New macro.
1956 (struct tree_block): New flag, dead_flag.
1957 * print-tree.c (print_node, case 'b'): Print missing fields.
1958 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1959 * function.c (identify_blocks): Enable test for misplaced notes.
1960 (all_blocks): Skip BLOCK_DEAD blocks.
1961 * integrate.c (integrate_decl_tree): Likewise.
1963 * errors.c (internal_error, trim_filename): New functions.
1964 (fancy_abort): Call internal_error.
1965 * errors.h (internal_error, trim_filename): New declarations.
1967 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1969 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1971 (EXTRA_CONSTRAINT): Formatting changes.
1973 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1975 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1977 2001-02-23 Per Bothner <per@bothner.com>
1979 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1980 so they can be called from java/jvspec.c.
1981 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1983 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1985 * i386.c (ix86_frame): New structure.
1986 (ix86_compute_frame_size): Kill.
1987 (ix86_compute_frame_layout): New.
1988 (ix86_save_reg): New.
1989 (ix86_can_use_return_insn_p): Use frame layout stuff.
1990 (ix86_expand_prologue): Likewise.
1991 (ix86_expand_epilogue): Likewise.
1992 (ix86_initial_elimination_offset): Likewise.
1993 (ix86_nsaved_regs): Use ix86_save_reg.
1994 (ix86_emit_save_regs): Likewise.
1996 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1998 * flow.c (find_sub_basic_blocks): New function.
1999 (split_block): Be ready for basic block introduced by CODE_LABEL.
2000 (commit_one_edge_insertion): Call find_sub_basic_block.
2002 * flow.c (make_edges): Add edge from entry for blocks starting with
2003 label having ALTERNATE_NAME
2005 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
2007 * function.c (epilogue_done): Be ready for first basic block not
2008 containing PROLOGUE_END note.
2009 (reposition_prologue_and_epilogue_notes): Avoid placing
2010 PROLOGUE_END note between BASIC_BLOCK.
2012 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
2014 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
2016 2001-02-21 DJ Delorie <dj@redhat.com>
2018 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
2019 check for current_function_has_nonlocal_goto from 1999-11-12.
2021 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2023 * diagnostic.c (trim_filename): No longer static.
2024 * toplev.h (trim_filename): Declare.
2025 * rtl.c (rtl_check_failed_bounds): Call internal_error.
2026 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
2027 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
2028 (rtvec_check_failed_bounds): Likewise.
2029 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
2031 * convert.c (convert_to_integer): Don't do unsigned unless result or
2032 both inputs are unsigned.
2034 * fold-const.c (fold_convert): Don't call size_int_type_wide if
2037 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
2039 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
2041 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
2043 * Makefile.in (resource.o): Add params.h dependence.
2044 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
2045 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
2046 * resource.c: Add dependence on params.h.
2047 (current_live_regs): Fix explanatory comment.
2048 (find_basic_block): Add new parameter to permit limiting search
2050 (mark_target_live_regs): Add new argument to find_basic_block call.
2051 (incr_ticks_for_insn): Likewise.
2053 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2055 * diagnostic.c (output_to_stream): Rename to
2056 output_buffer_to_stream. Loses the stream parameter.
2057 (init_output_buffer): Set diagnosic_buffer's stream.
2058 (flush_diagnostic_buffer): Adjust.
2059 (default_print_error_function): Likewise.
2060 (finish_diagnostic): Likewise.
2061 (verbatim): Likewise.
2063 * diagnostic.h (struct output_buffer): Add `stream' field.
2064 (output_buffer_attached_stream): New macro.
2066 2001-02-23 Jakub Jelinek <jakub@redhat.com>
2068 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
2069 check if either operand is divisible by C.
2070 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
2071 If type is signed, consider negative numbers as well.
2073 2001-02-22 Richard Henderson <rth@redhat.com>
2075 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
2076 reach .text instead of gp-relative relocs.
2077 * config/ia64/crtend.asm (.init): Likewise.
2079 2001-02-22 Andreas Jaeger <aj@suse.de>
2081 * extend.texi (C++ Attributes): Fix typo.
2083 2001-02-21 David Mosberger <davidm@hpl.hp.com>
2085 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
2086 functions, drop current_function_args_info.words test.
2087 (ia64_compute_frame_size): Mark syscall_linkage functions as
2088 using eight input registers.
2090 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
2091 Bruce Korb <bkorb@gnu.org>
2093 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
2094 * fixinc/README: Document how to convert sed substitutions
2095 to format style c_fix-es.
2096 * fixinc/fixincl.x: regen
2098 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
2100 * gcc.c: Add comment explaining how to add a command-line option.
2101 Add title to specs language comment.
2103 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2105 * gcc.c (cc1_options): Add "-param".
2106 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
2107 (option_map): Likewise.
2108 * toplev.c (display_help): Add entry for "--param".
2109 (independent_decode_option): Fix typographical error.
2111 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
2112 Bernd Schmidt <bernds@redhat.com>
2113 Jan Hubicka <jh@suse.cz>
2115 * i386.c (function_arg_advance): Pass SSE arguments in registers.
2116 (function_arg): Likewise.
2118 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
2120 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
2122 2001-02-21 Kazu Hirata <kazu@hxi.com>
2124 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
2128 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
2130 * flow.c (init_propagate_block_info): Canon address and use single_set
2131 for killing dead memory stores.
2133 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2135 * Makefile.in (reorg.o): Add params.h dependence.
2136 * params.def: Fix typographical error in comment.
2137 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2138 * params.h: Modify introductory comment.
2139 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2140 * reorg.c: Add dependence on params.h.
2141 (redundant_insn): Add parameterized throttle for search.
2142 (fill_simple_delay_slots): Add a comment explaining a variable.
2143 Move conditional out of loop, simplifying code.
2144 (fill_eager_delay_slots): Fix typographical error in comment.
2146 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
2148 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
2150 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
2151 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
2153 2001-02-21 Jason Merrill <jason@redhat.com>
2155 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
2156 (struct tree_decl): Add uninlinable bitfield.
2157 * c-decl.c (duplicate_decls): Set it.
2158 * integrate.c (function_cannot_inline_p): Check it.
2160 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
2161 DW_AT_MIPS_linkage_name to abstract methods.
2162 (dwarf2out_abstract_function): Emit class context before calling
2163 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
2164 (gen_subprogram_die): Remove obsolete code.
2165 (gen_member_die): Don't include clones in the member list.
2166 (gen_decl_die): Emit abstract info for clone origin.
2167 * dwarfout.c (output_type): Don't include clones in the member list.
2168 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
2169 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
2170 DECL_ABSTRACT on a function that already has it set.
2172 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
2173 (get_subprogram_die): Pass it in.
2175 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
2177 * flow.c (mark_set_1): Make not_dead unsigned long. For
2178 non-pseudos, use it as a bitmask of the hard regs that
2181 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
2183 * cppfiles.c: Update comments.
2184 (_cpp_read_file): Don't check for NULL filenames any more.
2185 * cppinit.c (cpp_start_read): Don't do canonicalization of
2186 in_fname and out_fname. Use the passed file name exclusively.
2187 (_cpp_handle_options): Don't treat "-" as a command line option,
2188 but as a normal filename.
2189 (_cpp_post_options): Canonicalize in_fname and out_fname.
2190 * cppmain.c (printer_init): Don't check out_fname for NULL.
2191 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
2192 (init_c_lex): Update, and use "" to represent stdin to CPP.
2195 2001-02-20 Will Cohen <wcohen@redhat.com>
2197 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
2198 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
2199 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
2202 2001-02-20 Stan Shebs <shebs@apple.com>
2204 * config/rs6000/rs6000.c (output_cbranch): Output branches
2205 on separate lines instead of using ';' to separate.
2207 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
2209 * cppinit.c (set_lang): Move builtin handling to...
2210 (init_builtins): ...here.
2211 (_cpp_create_reader): Move call to set_lang.
2213 2001-02-20 Mark Mitchell <mark@codesourcery.com>
2215 * stmt.c (expand_return): If an attempt is made to return the
2216 error_mar_node, treat the return like a return without a value.
2218 2001-02-19 Zack Weinberg <zackw@stanford.edu>
2220 * sibcall.c (skip_copy_to_return_value): Call
2221 identify_call_return_value here, and return orig_insn if it
2222 returns zero. Hardret and softret arguments now unnecessary.
2223 (call_ends_block_p): Don't call identify_call_return_value here.
2225 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
2227 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
2228 * ggc.h (ggc_mark_if_gcable): Delete prototype.
2230 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
2232 * pa.c (move_operand): Accept code to load the address of a
2233 symbol out of the DLT as a valid move operand.
2234 (print_operand, case 'A'): New to handle generating a DLT
2235 reference for a LO_SUM expression.
2236 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
2237 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
2239 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
2241 * README, cpp.texi, gcc.texi, version.c: Update version number to
2243 * cpp.1, gcov.1, gcc.1: Regenerate.
2245 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
2247 * cppfiles.c (stack_include_file): Generate dependencies
2248 here, and manage include_count here too.
2249 (PRINT_THIS_DEP): Delete.
2250 (_cpp_execute_include): Do not generate dependencies here,
2251 apart from the case of a missing header. Do not manage
2253 (_cpp_read_file): Leave dependency generation to
2256 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
2258 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
2259 target_cpu_default. Remove dead assignment to
2262 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
2264 * regclass.c (contains_reg_of_mode): Make global.
2265 (init_reg_sets): Remove contains_reg_of_mode; take into account
2266 CLASS_MAX_NREGS when looking for the proper mode.
2267 (dump_regclass): Dump only classes considered for the pseudo.
2268 (regclass): Use contains_reg_of_mode.
2270 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
2272 * gcc.c (do_spec_1): 'n' for printing notices.
2273 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
2275 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
2277 * reg-stack.c (next_flags_user): Use current_block->end
2278 (swap_rtx_condition): Look for next user if flags don't die;
2279 give up on CALL_INSNs; use current_block->end.
2281 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2283 * sibcall.c (call_ends_block_p): New function.
2284 (optimize_sibling_and_tail_recursive_call): Use it.
2286 2001-02-18 Kazu Hirata <kazu@hxi.com>
2288 * config/h8300/h8300.md: Update copyright.
2289 (andsi3): Do not output an extra newline character.
2291 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2293 * toplev.c (note_deferral_of_defined_inlined_function): Argument
2294 FNDECL may be unused.
2296 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
2297 follow jumps after first run.
2298 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
2299 it doesn't change any jumps.
2301 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
2303 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
2304 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
2305 (mostlyclean): Corresponding changes.
2306 * rtlanal.c (hard-reg-set.h): Include.
2307 (rtx_unstable_p): Do not treat the argument pointer specially
2308 if it is not a fixed register.
2309 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
2311 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2313 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
2314 against last real insn in basic block.
2315 Rework to avoid gotos.
2317 * Makefile.in (gcse.o): Now includes ggc.h.
2318 * gcse.c: Include ggc.h.
2319 (want_to_gcse_p): Verify expression can be in SET as valid insn.
2320 (try_replace_reg): Remove warning of uninitialize variable.
2321 (process_insert_insn): Call invalid_insn_p to validate insn.
2322 * recog.c (insn_invalid_p): Now global.
2323 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
2324 * recog.h (insn_invalid_p): New declaration.
2326 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
2328 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
2329 assignments from FP constants since 'Y' output code can't handle it.
2330 (eligible_for_sibcall_delay): Likewise.
2332 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
2333 Call fancy_abort directly, passing args.
2334 (print_rtl_and_abort): Now a macro, like fancy_abort.
2336 * final.c (output_operand_lossage): Use internal_error, not error.
2338 2001-02-18 Shane Nay <shane@agendacomputing.com>
2340 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
2341 structure shift insns.
2343 2001-02-18 Mark Mitchell <mark@codesourcery.com>
2345 * invoke.texi (-fsquangle): Remove documentation.
2346 (-fname-mangling-version): Likewise.
2348 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
2350 * optabs.c (expand_abs): Remove reference to
2351 HAVE_contitional_arithmetic.
2352 * combine.c (simplify_set): Likewise.
2354 2001-02-18 Richard Henderson <rth@redhat.com>
2356 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2359 2001-02-18 Richard Henderson <rth@redhat.com>
2361 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
2363 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2365 * reload1.c (reload_cse_simplify_set): Fix typo.
2367 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2369 * diagnostic.c (_fatal_insn): Decrement errorcount.
2371 * invoke.texi (-I): Add note avoiding use for system header files.
2373 * rtl.h (add_clobbers): Remove duplicate declaration.
2374 * recog.h (added_clobbers_hard_reg_p): New declaration.
2375 * genemit.c (struct clobber_pat): New field has_hard_reg.
2376 (gen_insn): Record if added clobbers clobber hard reg.
2377 (gen_split): Avoid unused warning if number of operands is 0.
2378 (output_added_clobbers_hard_reg_p): New function.
2381 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2383 * pa.c (hppa_expand_prologue): Simplify code storing return
2384 pointer. For large (>=8k) frames with a post_store, adjust stack
2385 pointer by 8k-64 first rather than by 64. When testing with
2386 VAL_14_BITS_P, always use the actual value rather than the value
2387 negated. Add blockage to prevent scheduling of spills before
2388 stack frame has been created.
2389 (hppa_expand_epilogue): Simplify code loading return pointer.
2390 Allow a slightly larger range for merge_sp_adjust_with_load case.
2391 When testing with VAL_14_BITS_P, always use the actual value.
2393 * pa.c (pa_adjust_insn_length): Check that block move
2394 pattern is a set before looking at operands.
2396 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2398 * fold-const.c (fold_binary_op_with_conditional_arg): New
2399 function, split out from ...
2401 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2402 conditional arms that throw exceptions.
2404 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2407 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2409 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2410 define HAVE_DECL_* to 1 to mask potential backup declarations.
2411 * configure: Regenerated.
2413 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2415 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2417 2001-02-17 Richard Henderson <rth@redhat.com>
2419 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2420 when replacing a memory load with a register.
2422 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2423 Jan Hubicka <jh@suse.cz>
2425 * recog.c (validate_replace_src_1): New.
2426 (validate_replace_src_data): Likewise.
2427 (validate_replace_src): Use note_uses.
2428 * rtl.h (note_uses): Declare.
2429 * rtlanal.c (note_uses): New.
2431 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2433 * reg-stack.c (stack_def): Make field reg unsigned.
2434 (remove_regno_note): Unsignetize parameter.
2436 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2438 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2439 shladd_operand() call.
2441 2001-02-16 Bruce Korb <bkorb@gnu.org>
2442 Rodney Brown <RodneyBrown@mynd.com>
2444 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2445 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2446 machine restrictions
2447 * fixinc/fixincl.x: regen
2449 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2451 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2453 (hash_scan_insn): Clean up calls to hash_scan_set.
2454 (compute_kill_rd): REGNO now unsigned.
2455 (try_replace_reg): Rework to use simplify_replace_rtx.
2456 (cprop_jump, cprop_cc0_jump): Likewise.
2457 (cprop_insn): Call find_reg_equal_equiv_note.
2458 Reflect changes to cprop_jump and cprop_cc0_jump.
2460 * recog.c (validate_replace_src): Replace in operands of
2461 ZERO_EXTRACT in SET_DEST.
2463 * cse.c (new_label_ref): New variable.
2464 (insert): Set it instead of recorded_label_ref.
2465 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2466 CODE_LABEL for this function, and not already in REG_LABEL note.
2468 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2470 * resource.c (mark_referenced_resources): Fix typo in introductory
2472 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2475 2001-02-16 Jason Merrill <jason@redhat.com>
2477 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2479 (gen_subprogram_die): Don't abort on seeing a second definition if
2480 the previous one was abstract. Don't replace an abstract instance
2481 in the lookup table.
2483 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2484 gen_abstract_function.
2485 * dwarf2out.h: Declare it.
2486 * toplev.c (note_outlining_of_inline_function): New fn.
2487 * toplev.h: Declare it.
2488 * integrate.c (output_inline_function): Call it.
2489 * c-decl.c (duplicate_decls): Call it when redefining an extern
2490 inline. Don't inline the new defn.
2492 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2494 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2496 * .gdbinit: Rename to gdbinit.in.
2497 * gdbinit.in: New file,
2498 * configure.in: Generate .gdbinit from gdbinit.in.
2499 * configure: Regenerated.
2500 * Makefile.in (distclean): Always remove .gdbinit.
2502 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2504 * objc/objc-act.c (start_class): Register implemented_classes with
2507 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2509 * cppfiles.c (_cpp_make_system_header): Generate a file
2512 2001-02-15 Jim Meyering <meyering@lucent.com>
2514 * Makefile.in (install-common): Don't depend on installdirs here.
2515 Instead, make each of the lang.install-common targets (e.g.,
2516 c++.install-common in cp/Make-lang.in) depend on it.
2517 (install-driver): Depend on installdirs.
2519 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2521 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2523 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2526 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2528 * invoke.texi (--param): Document.
2530 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2532 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2534 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2536 * i386.md (extendsfdf2_2): Fix constraints.
2538 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2540 * i386.md (fop_df_3 splitter): Fix operand number.
2542 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2544 * invoke.texi (-mreg-alloc): Nuke.
2545 * i386.c (ix86_reg_alloc_order, regs_allocated,
2546 order_regs_for_local_alloc): Nuke.
2547 (override_options): Kill reg_alloc code.
2548 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2549 (REG_ALLOC_ORDER): SSE goes before I387.
2550 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2551 (ix86_reg_alloc_order): Likewise.
2552 * i386-protos.h (ix86_reg_alloc_order): Kill.
2554 2001-02-14 Richard Henderson <rth@redhat.com>
2556 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2558 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2560 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2562 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2564 * i386-protos.h (ix86_memory_move_cost): Move offline.
2565 * i386.c (ix86_register_move_cost): Compute properly cost of
2566 SSE, MMX and i387 instructions.
2567 (*_cost): Add costs of SSE/MMX moves.
2568 (ix86_memory_move_cost): Move offline from ....; Likewise.
2569 * i386.h (MEMORY_MOVE_COST): .... here;
2570 (struct processor costs): Add new fields to represent costs
2573 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2575 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2576 move_cost together with Matt Kraai's fix.
2578 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2580 * Makefile.in (OBJS): Add params.o.
2582 2001-02-14 Richard Henderson <rth@redhat.com>
2583 DJ Delorie <dj@redhat.com>
2585 * jump.c (jump_optimize_1): When we delete a conditional jump
2586 preceeding a non-conditional jump to effectively the same place,
2587 make sure that the combined jump skips any clobber insns between
2590 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2592 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2594 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2596 * Makefile.in (toplev.o): Depend on params.h.
2597 (intergate.o): Likewise.
2598 (params.o): New target.
2599 * flags.h (inline_max_insns): Remove.
2600 * integrate.c: Include params.h.
2601 Use MAX_INLINE_INSNS instead of inline_max_insns.
2602 * params.c: New file.
2603 * params.h: Likewise.
2604 * params.def: Likewise.
2605 * toplev.c: Include params.h.
2606 (lang_independent_params): New variable.
2607 (decode_f_option): Use the param machinery instead of setting
2609 (independent_decode_option): Handle "--param name=value".
2610 (main): Register language-independent parameters.
2612 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2614 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2616 2001-02-14 Richard Henderson <rth@redhat.com>
2618 * regclass.c (init_reg_sets_1): Revert last two changes.
2620 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2622 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2623 (variable_size): Call put_pending_size.
2624 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2625 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2626 sizes list, put newly created SAVE_EXPR there as well.
2628 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2630 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2631 (errata_find_address_regs): load_group has only 2 entries.
2632 (errata_emit_nops): Likewise. shladd is not problematic.
2633 Clear last_group if nop was emitted.
2634 (fixup_errata): load_group has only 2 entries.
2637 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2639 * c-lex.c (lex_number): Only warn traditionally for U suffix
2640 outside system macros.
2641 * cppexp.c (parse_number): Similarly.
2642 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2643 * cppmacro.c (struct cpp_macro): New member node.
2644 (parse_args): Only warn about missing rest args if not
2646 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2647 (cpp_sys_objmacro_p): New.
2648 (_cpp_create_definition): Store the node with the macro defn.
2649 Remember if the macro is defined in a system header.
2651 2001-02-13 DJ Delorie <dj@redhat.com>
2653 * configure.in (check_languages): determine languages to check
2654 * Makefile.in (check-c++): alias for check-g++
2655 (check-f77): alias for check-g77
2656 (CHECK_TARGETS): depend on configured languages
2658 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2660 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2661 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2662 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2663 (sqrtextendsfdf2): Disable for SSE2.
2665 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2667 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2668 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2669 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2670 (sqrtextendsfdf2): Disable for SSE2.
2672 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2674 * i386.md (movsfcc_1): Support integer cmove instruction.
2675 (movdfcc_1): Likewise; new splitter.
2677 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2679 * i386.c (output_fp_compare): Support SSE.
2680 (prepare_fp_compare_args): SSE comparisons always support memory.
2681 * i386.h (TARGET_CMOVE): SSE imply cmove.
2682 * i386.md (cmp?f2): Enable for SSE too.
2683 (cmpfp_i*): Support SSE.
2685 (cmpfp_i_sse_only): New.
2686 (s*, b* fp expanters): Enable for SSE too.
2687 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2690 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2692 * regclass.c (init_reg_sets_1): Silence warning.
2694 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2696 * i386.md (sqrt?f2): Change to expander.
2697 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2699 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2701 * rtlanal.c (find_reg_equal_equiv_note): New function.
2702 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2703 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2704 * rtl.h: Add declarations for above functions.
2706 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2708 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2710 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2711 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2712 * flow.c (mark_regs_live_at_end): Likewise.
2713 (calculate_global_regs_live): Likewise.
2714 * gcse.c (compute_hash_table): Likewise.
2715 (compute_kill_rd): Likewise.
2716 * resource.c (mark_target_live_regs): Likewise.
2717 * rtl.h (INVALID_REGNUM): New macro.
2719 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2721 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2723 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2725 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2728 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2730 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2732 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2733 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2734 (fop_sf_1_sse, fop_df_1_sse): New patterns
2735 (fop_*): Disable float_extend and float patterns for SSE compilation.
2736 * i386.c (output_387_binary_op): Support SSE.
2738 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2740 * i386.md (dummy_extendsfdf2): Support SSE2
2741 (extendsfdf2): Enable if 80387 or SSE2.
2742 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2743 and no MIX_I387_SSE2
2744 (extendsfdf2_1_sse_only): New pattern.
2745 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2747 (truncdfsf2_1): Support SSE.
2748 (truncdfsf2_2): Support SSE.
2749 (truncdfsf2_2_1_sse): New pattern.
2750 (fixtruncsfsi2): Always use SSE if available.
2751 (fix_truncsfsi_sse): New pattern.
2752 (fix_truncdfsi_sse): New pattern.
2753 (floatsis?f2): Support SSE.
2754 (floatsidf2_i387): New pattern.
2755 (floatsidf2_sse): Likewise.
2757 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2759 * configure.in: Use "have_gnat" variable, not "gnat".
2760 * configure: Regenerated.
2762 * config/sparc/sparc.c (function_value): Treat all non-record
2763 aggregate types like used to treat UNION_TYPE.
2765 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2767 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2768 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2770 (MASK_MIX_SSE_I387): New.
2771 (TARGET_SSE): SSE2 imply SSE.
2772 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2773 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2774 (enum reg_class): Add new classes.
2775 (REG_CLASS_NAMES): Likewise.
2776 (REG_CLASS_CONTENTS): Likewise.
2777 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2778 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2779 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2780 (CLASS_MAX_NREGS): Use new macros.
2781 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2782 * i386.md (pushsf, movsf): Support SSE.
2783 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2784 splitters to use ANY_FP_REGNO_P.
2785 (movdf_nointeger, movdf_integer): Likewise.
2787 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2789 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2790 (try_combine): Use it.
2792 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2794 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2795 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2796 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2797 (REGISTER_MOVE_COST): Likewise.
2798 * i386-protos.h (ix86_secondary_memory_needed,
2799 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2800 * i386.c (ix86_secondary_memory_needed,
2801 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2803 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2805 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2806 (HARD_REGNO_MODE_OK): Move offline to ....
2807 * i386.c (ix86_hard_regno_mode_ok) ... here;
2808 refuse all incorrect modes.
2809 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2811 2001-02-13 Richard Henderson <rth@redhat.com>
2813 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2814 entire operator; replicate that and match_dup the operands.
2815 (cmp_ccx_arith_op_set): Likewise.
2816 (cmp_cc_arith_op_not_set): Likewise.
2817 (cmp_ccx_arith_op_not_set): Likewise.
2819 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2821 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2823 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2825 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2826 (TARGET_NO_BITFIELD_WORD): New macro.
2827 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2828 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2830 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2832 * cselib.c: New file, from simplify-rtx.c.
2833 * simplify-rtx.c: Remove cselib parts.
2834 * Makefile.in: Add cselib.o.
2836 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2838 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2839 (setup_incoming_varargs): Remove warning.
2841 * config/rs6000/rs6000.c (validate_condition_mode): When
2842 flag_fast_math, allow floating-point conditionals to be reversed.
2843 (rs6000_generate_compare): When flag_fast_math, don't generate
2844 cror operations for FP conditionals.
2846 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2848 (ASM_SPEC): Likewise.
2849 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2850 (CC1_SPEC): Likewise.
2851 (LINK_TARGET_SPEC): Likewise.
2852 (CPP_ENDIAN_SPEC): Likewise.
2853 * Makefile.in (check-consistency): New target.
2855 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2857 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2858 "return type defaults" warning for functions with return type
2860 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2861 function declarations by default rather than only when pedantic.
2863 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2865 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2868 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2870 * extend.texi (Deprecated): Deprecate new initializer lists.
2872 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2874 * mkdeps.c (deps_add_default_target): Robustify. Add
2875 basename component only.
2876 * cpp.texi (-M): Describe how default target is generated.
2877 * invoke.texi (-M): Likewise.
2879 2001-02-12 Kazu Hirata <kazu@hxi.com>
2881 * toplev.c (push_float_handler): Remove.
2882 (pop_float_handler): Remove.
2883 * toplev.h: Remove prototypes for the above functions.
2885 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2887 * c-common.c (constant_fits_type_p): New function.
2888 (convert_and_check): Use it.
2890 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2892 * Makefile.in (GXX_ABI_FLAG): Don't define.
2893 * configure.in (--enable-new-gxx-abi): Remove option.
2894 * config.in: Regenerated.
2895 * configure: Likewise.
2897 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2899 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2901 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2902 regular basic block, and arrange for all edges into it to switch
2905 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2907 * Makefile.in (distclean): Do not remove .gdbinit.
2909 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2911 * Makefile.in (gcc.o): Fix typos.
2912 (protize.o): Likewise.
2913 (unprotoize.o): Likewise.
2915 2001-02-11 Richard Henderson <rth@redhat.com>
2917 * tree.c (build1): Check for null operand in last change.
2919 2001-02-11 Richard Henderson <rth@redhat.com>
2921 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2922 (fold): Don't assume a constant isn't foldable.
2923 * tree.c (build): Set TREE_CONSTANT for an expression with no
2924 side-effects and constant operands.
2927 2001-02-10 Richard Henderson <rth@redhat.com>
2929 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2931 2001-02-10 Anthony Green <green@redhat.com>
2933 * cpp.texi (Standard Predefined): Add documentation for
2936 * c-common.c (combine_strings): Improve warning message.
2938 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2940 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2942 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2944 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2946 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2949 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2951 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2954 2001-02-09 Nick Clifton <nickc@redhat.com>
2956 * config/arm/arm.md: Change output contraint on post inc
2957 load/store multiple patterns to be a read/write contraint.
2959 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2961 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2962 .o files when using the -M options.
2964 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2965 David Edelsohn <edelsohn@gnu.org>
2967 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2968 handle DImode constants. Use one TOC entry for SImode and smaller
2969 constants, aligned properly.
2971 2001-02-08 Jason Merrill <jason@redhat.com>
2973 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2974 about the SP adjustment for saving the static chain pointer.
2975 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2976 offset when setting a temporary CFA register.
2978 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2980 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2981 powerpc-*-chorusos* .
2982 * config/rs6000/chorus.h : New file.
2983 * config/i386/chorus.h : New file.
2984 * config/sparc/chorus.h : New file.
2985 * config/sparc/t-chorus-elf : New file.
2987 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2989 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2990 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2991 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2992 (__WCHAR_TYPE__): Correct macro name.
2994 2001-02-08 Richard Henderson <rth@redhat.com>
2996 * config/i386/i386.c (ix86_frame_pointer_required): New.
2997 (ix86_setup_frame_addresses): New.
2998 (struct machine_funciton): Add accesses_prev_frame.
2999 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
3000 ix86_frame_pointer_required.
3001 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
3002 (SETUP_FRAME_ADDRESSES): New.
3003 * config/i386/i386-protos.h: Update.
3004 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
3005 from FRAME_POINTER_REQUIRED.
3006 * config/i386/svr3gas.h: Likewise.
3007 * config/i386/sysv3.h: Likewise.
3008 * config/i386/v3gas.h: Likewise.
3010 2001-02-08 Richard Henderson <rth@redhat.com>
3012 * config/sparc/sparc.c (function_arg_record_value_3): Fix
3013 calculation of the number of integer registers required.
3014 (function_arg_record_value): Likewise.
3016 2001-02-08 Jason Merrill <jason@redhat.com>
3018 * diagnostic.c (internal_error): Say "confused" after 1 error, not
3019 two. Print file and line with "confused" message.
3021 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
3023 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3025 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
3027 2001-02-08 Bernd Schmidt <bernds@redhat.com>
3029 * final.c (cleanup_subreg_operands): The address of a MEM can
3032 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
3035 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
3037 * gcc.texi (Incompatibilities): Update documentation of
3038 preprocessing numbers.
3040 2001-02-07 Jakub Jelinek <jakub@redhat.com>
3042 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
3044 2001-02-07 Mark Mitchell <mark@codesourcery.com>
3046 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
3048 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
3049 * gcc.c (struct compiler): Add cpp_spec field.
3050 (input_file_compiler): New variable.
3051 (do_spec_1): Allow a particular compiler to handle `%C'
3053 (main): Store the current compiler in input_file_compiler.
3054 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
3056 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
3058 * cpphash.h (struct spec_nodes): Add n_true and n_false.
3059 * cppinit.c (cpp_create_reader): Initialize them.
3060 (append_include_chain): cxx_aware arg might be unused.
3061 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
3062 keywords and give them their phase 7 meaning. Pedwarn about
3063 this unless '__bool_true_false_are_defined' is defined.
3065 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3067 * lcm.c (optimize_mode_switching): Emit mode_set before the
3068 JUMP_INSN of an abnormal edge.
3070 2001-02-07 Bernd Schmidt <bernds@redhat.com>
3072 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
3073 a scheduling barrier at the end.
3075 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
3077 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3079 * config/sh/sh.md (reload_outsf): Removed.
3080 (movsf_ie): Introduce constraints for FPUL loads and stores.
3081 (reload_insf): Broaden the output constraint.
3083 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
3085 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3086 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
3088 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
3090 * final.c: Revert my previous changes.
3091 * output.h: Make profile_label_no extern.
3092 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
3093 for generating label.
3095 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3097 * config/i386/djgpp.h: Add comments about standard paths.
3098 (MD_EXEC_PREFIX): Undefine before defining.
3099 (MD_STARTFILE_PREFIX): New.
3101 2001-01-30 Bruce Korb <bkorb@gnu.org>
3103 fixinc/fixincl.c(process): Emit error message only if appropriate :)
3104 (load_file): do not rely on load_file_data() to close file pointer
3105 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
3106 fixinc/inclhack.def(irix_limits_const): add test_text
3108 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3110 * cppexp.c (parse_defined): Improve diagnostics for invalid
3113 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3115 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3117 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3119 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3120 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3121 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3122 (rs6000_output_symbol_ref): New function.
3123 (output_toc): Use VTABLE_NAME_P.
3125 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3127 * print-tree.c (print_node, case PARM_DECL):
3128 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3130 * stor-layout.c (reference_types_internal): New variable.
3131 (internal_reference_types): New function.
3132 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
3133 * tree.h (internal_reference_types): New declaration.
3135 * cse.c (find_best_addr): Fix typo in computing cost.
3137 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3139 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
3140 and this is the sum of a pointer and a constant, we know the result
3142 (num_sign_bit_copies, case PLUS): Likewise.
3143 * explow.c (convert_memory_address): Remove opposite SUBREG.
3144 * function.c (instantiate_new_reg): New function (from common code).
3145 (instantiate_virtual_regs_1): Call it.
3146 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
3147 if pointers sign- or zero-extend.
3148 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
3149 If pointers extend unsigned, use inside of SUBREG.
3150 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
3152 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
3154 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
3155 subdir of gcc_gxx_include_dir.
3156 (gcc_gxx_target_include_dir): Remove.
3158 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
3160 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
3161 (dwarf2out_frame_debug_expr): Revise introductory comments to add
3162 a high-level description.
3164 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
3166 * final.c: Move the declaration of profile_label_no to ...
3167 * output.h: ... here.
3168 * function.c (expand_function_start): Call PROFILE_HOOK.
3169 * config/rs6000/aix.h: Define PROFILE_HOOK.
3170 * config/rs6000/rs6000-protos.h: output_profile_hook new.
3171 * config/rs6000/rs6000.c (output_profile_hook): Define.
3172 (output_prolog): Do nothing for ABI_AIX as it is taken care by
3173 output_profile_hook.
3174 tm.texi : Explain new macro PROFILE_HOOK.
3176 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
3178 * extend.texi (Extended Asm): Do not say that semicolon is always
3179 a valid line-breaking character for GNU assemblers. Use
3180 newline-tab as the most commonly supported syntax. Use
3181 newline-tab rather than semicolon in multi-insn examples.
3183 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3185 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3187 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3188 David Edelsohn <edelsohn@gnu.org>
3190 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3191 code for AIX, even without flag_pic.
3193 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3195 * c-typeck.c (common_type): push and pop binding level around
3196 calling common_type on function parameters.
3198 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3200 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3202 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3204 * config/mips/mips.c (override_options): Fix typo in last change.
3205 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3206 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3208 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3210 * invoke.texi (-fdump-class-layout): Document.
3211 (-fdump-translation-unit): Use `=' as filename separator.
3213 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3215 * Makefile.in (s-mlib): Don't build multilibs if
3217 (DRIVER_DEFINES): Adjust accordingly.
3219 (protoize.o): Likewise.
3220 (unprotoize.o): Likewise.
3221 * configure.in: Recognize --enable-multilib.
3223 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3225 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3227 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3228 * configure.in: Remove --enable-libstdcxx_v3 support.
3229 * configure: Regenerated.
3231 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3233 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3234 Call abort instead of fatal.
3235 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3236 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3237 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3238 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3239 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3240 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3242 * diagnostic.h (set_internal_error_function): Renamed.
3243 * toplev.h (internal_error): Renamed from fatal.
3244 (pfatal_with_name): Deleted.
3245 (fatal_io_error): Now has printf-style arguments.
3246 * diagnostic.c (pfatal_with_name): Deleted.
3247 (fatal_io_error): Rework to have args in printf-style.
3248 (set_internal_error_function): Renamed from set_fatal_function.
3249 (internal_error): Renamed from fatal.
3250 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3251 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3252 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3253 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3254 * flow.c (verify_flow_info): Likewise.
3255 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3256 * config/mips/mips.c (save_restore_insns): Likewise.
3258 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3259 * flow.c (verify_flow_info): Likewise.
3260 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3261 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3262 (avr_normalize_condition): Likewise.
3263 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3264 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3265 (limit_reload_class, double_reg_to_memory): Likewise.
3266 (print_operand_address, emit_1600_code_shift): Likewise.
3267 (gen_tst_reg, gen_compare_reg): Likewise.
3268 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3269 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3271 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3273 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3274 * objc/objc-act.c (build_ivar_chain): Likewise.
3275 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3277 * graph.c (clean_graph_dump_file): Likewise.
3278 * profile.c (init_branch_prob): Likewise.
3279 * objc/objc-act.c (objc_init): Likewise.
3281 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3282 * config/avr/avr.c (avr_override_options): Likewise.
3283 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3284 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3285 * config/h8300/h8300.c (h8300_init_once): Likewise.
3286 * config/mips/mips.c (override_options): Likewise.
3287 * config/i386/i386.c (override_options): Likewise, rework.
3288 * config/m68k/m68k.c (override_options): Likewise.
3290 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3292 * config/mips/mips.c (print_operand): Likewise.
3293 * hash.c (hash_allocate): Don't check for failure returns from
3294 obstack functions that can't fail.
3295 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3296 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3297 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3298 (get_object_reference): Likewise.
3300 2001-02-04 Nick Clifton <nickc@redhat.com>
3302 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3303 StrongARM1110, 10TDMI, and 1020T.
3305 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3307 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3309 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3311 * config/sh/sh.md (movdf load split): Pass register number to
3312 FP_OR_XD_REGISTER_P.
3314 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3316 * cppinit.c (BC): New macro.
3317 (builtin_array): Add __GXX_WEAK__.
3318 * cpplib.h (builtin_type): Add BT_WEAK.
3319 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3320 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3321 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3323 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3325 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3327 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3329 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3330 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3332 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3334 * cpphash.h: Rename ALIGN _ALIGN.
3335 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3337 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3339 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3340 compilation environment.
3341 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3342 control over location of cygwin includes and libs.
3344 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3346 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3348 2001-02-02 lars brinkhoff <lars@nocrew.org>
3350 * md.texi (Standard Names): remove reference to spur.md.
3352 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3354 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3355 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3356 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3357 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3358 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3360 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3362 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3363 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3364 number before reload.
3365 (c4x_adjust_cost): Return zero before reload.
3366 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3367 split before reload.
3369 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3371 * c4x.c (c4x_hard_regno_rename_ok): New.
3372 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3373 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3375 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3377 * diagnostic.h: Add missing "extern" in all declarations.
3379 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3381 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3382 as for gcc_gxx_include_dir.
3384 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3386 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3388 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3390 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3391 label before alignment to be used as the braf base address.
3392 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3394 (casesi_jump_2): Require at least TARGET_SH2.
3396 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3397 truncation to 32-bit doubles on -m3e and -m4-single-only.
3399 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3401 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3402 the default when building a shared object.
3403 (init_spec): Use it.
3404 * testsuite/lib/g++.exp: Include the directory where libgcc
3405 is located to the LD_LIBRARY_PATH list.
3406 * invoke.texi (-shared-libgcc): Document the cases in which
3407 GCC defaults to using the shared libgcc.
3409 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3411 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3412 unsigned is wide enough.
3414 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3415 (si_to_float): Likewise.
3416 (float_to_si, float_to_usi): Use BITS_PER_SI.
3418 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3420 * dwarf2out.c: Added explanation of abbreviations.
3421 (def_cfa_1): Added comments listing DWARF2 instructions.
3422 (cfa_temp_reg): Removed in favor of cfa_temp.
3423 (cfa_temp_value): Removed in favor of cfa_temp.
3424 (cfa_temp): New global variable.
3425 (dwarf2out_frame_debug_expr): Added extensive introductory
3426 comments explaining the function's transformations. Revised to
3427 use cfa_temp. Added some rtx checking. Generalize IOR case.
3428 (dwarf2out_frame_debug): Revised to use cfa_temp.
3429 (output_aranges): Cast as "unsigned" to avoid warning.
3430 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3431 explain which instructions must be marked.
3433 2001-02-01 Richard Henderson <rth@redhat.com>
3435 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3438 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3440 * config/sh/crt1.asm (main_k): Modified so that start calls
3441 ___setup_argv_and_call_main.
3443 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3445 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3446 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3447 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3448 * cppmacro.c (builtin_macro): Set builtin flags here.
3449 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3450 (replace_args): Clarify intent.
3451 (cpp_get_token): Macro expansion tokens get the saved flags.
3453 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3456 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3458 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3461 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3463 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3464 returns Pmode pseudo, but we need ptr_mode.
3465 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3466 Remove bogus conversions; use HOST_WIDE_INT for size.
3467 Don't use TARGET if wrong mode.
3469 * config/i386/i386.c (ix86_compute_frame_size): Allow
3470 stack_alignment_needed to be non-default even if size is zero.
3472 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3474 * (hppa_init_pic_save): Emit the pic offset table
3475 reg save after last_parm_insn.
3476 * pa.c (hppa_init_pic_save): New function.
3477 * pa.h (hppa_init_pic_save): Declare.
3478 * pa.md (call, call_value, sibcall, sibcall_value): Use
3479 the above instead of duplicated code.
3481 * pa.c (hppa_encode_label): Correct size of alloca buffer
3482 so we don't overrun it. Correct leading `*' case.
3483 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3484 need to handle `*@'.
3485 (FUNCTION_NAME_P): Likewise.
3487 2001-01-31 Richard Henderson <rth@redhat.com>
3489 * config.gcc (alpha-osf5): Use float-i128.h.
3491 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3492 * config/float-i32.h: Likewise.
3493 * config/float-i64.h: Likewise.
3494 * config/float-sh.h: Likewise.
3495 * config/float-sparc.h: Likewise.
3497 2001-01-31 DJ Delorie <dj@redhat.com>
3499 * expmed.c (extract_bit_field): allow non-integral modes if we
3500 want to extract a whole register from itself.
3502 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3504 * c-typeck.c (set_init_index): If first is equal to last, assume as
3505 if it was not a range at all.
3507 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3509 * config/fp-bit.c: Include tm.h.
3510 (float_to_si): Don't assume SImode is 32-bits wide.
3511 (float_to_usi): Likewise.
3513 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3515 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3517 (typename): Call pending_xref_error after parsing typed_typespecs.
3518 * c-decl.c (lookup_tag): Give error immediately rather than
3519 leaving it pending if the tag of the wrong type is in the same
3521 (xref_tag): Don't pedwarn for forward declarations of enum types
3523 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3526 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3528 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3530 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3532 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3533 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3535 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3537 * cpphash.h (struct cpp_reader): New saved_flags.
3538 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3539 to avoid a paste after a pasted token.
3541 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3543 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3544 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3545 Wtype_MIN instead of LONG_MIN.
3547 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3549 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3551 * fixinc/fixincl.x: Regenerated.
3552 * fixinc/inclhack.def (irix_limits_const): New definition to
3553 convert "const" to "__const" in limits.h.
3555 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3557 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3559 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3561 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3562 when register dies in the insn.
3564 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3566 * diagnostic.c (fatal): Fix word wrap.
3568 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3570 * combine.c (try_combine): Fix SUBREG setting for
3571 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3573 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3575 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3578 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3580 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3582 * toplev.c (decode_W_option): Update warn_larger_than
3583 unconditionally for each processed switch.
3585 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3587 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3589 (hppa_expand_prologue): Delete code to save pic offset table register
3590 in the function prologue.
3591 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3592 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3593 table register at the beginning of the function after the prologue.
3595 2001-01-29 lars brinkhoff <lars@nocrew.org>
3597 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3599 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3600 Jeff Law <law@redhat.com>
3602 * pa.md (return): Revise comment for trivial return.
3603 (return_internal): Non-trivial return pattern for non-PIC code.
3604 (return_internal_pic): Non-trivial return pattern for PIC code.
3605 It uses the PIC register to ensure it is restored after
3607 (epilogue): Generate appropriate return for PIC and non-PIC code.
3609 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3611 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3613 2001-01-29 DJ Delorie <dj@redhat.com>
3615 * combine.c (if_then_else_cond): Pass the correct mode to
3616 operand_subword() for constants.
3618 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3620 * config/i386/cygwin.h: Add w32api to include search. Search different
3621 directories in a cross-build environment.
3623 2001-11-29 Tim Josling <tej@melbpc.org.au>
3625 * tree.h (TYPE_STUB_DECL): Add documentation.
3627 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3629 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3630 (sdbout_field_types): Likwise. Fix use of host_integerp.
3632 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3634 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3637 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3639 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3640 to use flag_gnu_linker.
3642 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3644 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3645 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3647 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3649 * tree.c, tree.h (build_parse_node): Remove; was identical to
3651 * c-lang.c (start_cdtor), objc/objc-act.c
3652 (build_module_descriptor): Use build_nt instead of
3655 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3657 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3658 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3659 not have any upper bits set.
3661 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3663 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3665 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3667 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3669 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3671 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3672 (integer_minus_one_node): Define.
3674 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3676 * Makefile.in (bootstrap2-lean): Fix typo.
3678 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3680 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3681 : Don't set fe_value.
3682 * cpplib.h (AVOID_LPASTE): New flag.
3683 (struct cpp_hashnode): Remove fe_value.
3684 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3685 * cppmacro.c (builtin_macro): Don't set flags here.
3686 (replace_args): Set AVOID_LPASTE flag on first token of an
3687 argument, and the token following it.
3688 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3689 macro expansion, and on the token following it. Do it for
3691 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3693 2001-01-27 Richard Henderson <rth@redhat.com>
3695 * config/alpha/t-ieee: Remove multilibbing.
3696 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3698 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3700 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3702 * Makefile.in: Remove all dependencies on defaults.h.
3703 * builtins.c: Don't include defaults.h.
3704 * c-common.c: Likewise.
3705 * c-decl.c: Likewise.
3706 * c-pragma.c: Likewise.
3707 * c-typeck.c: Likewise.
3708 * combine.c: Likewise.
3710 * frame-ia64.c: Likewise.
3711 * cppexp.c: Likewise.
3712 * crtstuff.c: Likewise.
3713 * dbxout.c: Likewise.
3714 * dwarf2out.c: Likewise.
3715 * dwarfout.c: Likewise.
3716 * emit-rtl.c: Likewise.
3717 * except.c: Likewise.
3719 * final.c: Likewise.
3720 * frame-dwarf2.c: Likewise.
3721 * libgcc2.c: Likewise.
3722 * optabs.c: Likewise.
3723 * profile.c: Likewise.
3724 * sdbout.c: Likewise.
3725 * toplev.c: Likewise.
3726 * tradcif.y: Likewise.
3728 * varasm.c: Likewise.
3730 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3732 * builtins.c (expand_builtin_fputs): Use size_one_node when
3733 transforming into fwrite.
3735 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3737 * extend.texi (Attribute Syntax): New section.
3739 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3741 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3742 they didn't need fixing.
3744 2001-01-27 Janis Johnson <janis@us.ibm.com>
3746 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3748 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3749 to remove macro definitions that are duplicated from elfos.h.
3751 2001-01-27 Richard Henderson <rth@redhat.com>
3753 * config/i386/sco5gas.h: Move ...
3754 * config/usegas.h: ... here.
3755 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3757 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3759 * c-typeck.c (struct constructor_stack): Add range_stack member.
3760 (really_start_incremental_init): Clear it.
3761 (push_init_level): Save constructor_range_stack and clear it if
3762 pushing explicit braces.
3763 (pop_init_level): abort if constructor_range_stack is non-zero at
3764 explicit closing brace. Restore saved constructor_range_stack if
3767 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3769 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3770 into register was forced into memory.
3772 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3774 * Makefile.in: Remove uses of + before $(MAKE).
3776 2001-01-26 Richard Henderson <rth@redhat.com>
3778 * stmt.c (cost_table): Remove.
3779 (COST_TABLE, cost_table_initialized): New.
3780 (estimate_case_costs): Use the later instead of the former.
3781 (balance_case_nodes): Likewise.
3783 2001-01-26 Richard Henderson <rth@redhat.com>
3785 * alias.c (objects_must_conflict_p): Read-only slots may not
3786 conflict despite having the same type.
3788 2001-01-27 Michael Hayes <mhayes@redhat.com>
3790 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3792 (check_ext_dependant_givs): Initialise u_start_val and
3794 (load_mems): Make last_max_reg unsigned.
3795 (try_swap_copy_prop): Use INSN_P and initialise set.
3797 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3799 * README.AVR : Removed.
3801 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3803 * pa-64.h (text_section): Remove declaration.
3805 * pa.md (return_internal): Remove mode on PIC register use.
3807 2001-01-25 lars brinkhoff <lars@nocrew.org>
3809 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3810 ASM_CLOSE_PAREN): fix typos.
3812 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3814 * acconfig.h: Define `const' to the empty string if neither
3815 __STDC__ nor __cplusplus is defined.
3816 * config.in: Regenerated.
3818 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3820 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3821 * collect2.c (main): Delete importf. Add ".obj" file extension.
3822 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3823 (aix_std_libs): Add additional AIX libraries to skip.
3824 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3825 * config/rs6000/aix51.h: New file.
3827 2001-01-25 Michael Hayes <mhayes@redhat.com>
3829 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3830 (loop_insn_emit_before): No longer static.
3831 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3832 (loop_givs_rescan, load_mems): Likewise.
3833 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3834 (maybe_eliminate_biv_1):
3835 (move_movables): Replace emit_call_insn_before with
3836 loop_call_insn_hoist.
3837 * loop.h (loop_insn_emit_before): Add.
3838 * unroll.c (copy_loop_body): Replace emit_insn_before with
3839 loop_insn_emit_before.
3841 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3843 * diagnostic.c (fatal): Request preprocessed source.
3845 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3847 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3848 olddecl has argument types and newdecl has none, use the argument
3851 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3853 * dwarf2out.c (prefix_of): New function. Determine longest common
3854 prefix of the two arguments. The units are whole path components.
3855 (output_file_names): When adding a new directory find the one entry
3856 with the longest common prefix already in the list. Artificially
3857 generate entry if there is none for this prefix.
3858 Fix test to check whether the zeroth directory entry is used.
3860 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3862 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3863 Changed all callers. Take it into account when deciding if a
3864 previously loaded value matches.
3866 2001-01-24 Richard Henderson <rth@redhat.com>
3868 * reload.c (find_reloads_subreg_address): Fail the substitution
3869 if the resulting address is insufficiently aligned.
3871 2001-01-24 DJ Delorie <dj@redhat.com>
3873 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3874 check the original operand's mode also.
3875 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3877 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3879 * c-parse.in (cast_expr): Move compound literals from here ...
3880 (primary): ... to here. Use standard terminology "compound
3881 literal" instead of "constructor expression".
3883 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3885 * gcc.1, cpp.1: Regenerate.
3887 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3889 * calls.c (emit_library_call_value_1): Memory slot for
3890 pass-by-reference argument should have the mode of the argument,
3891 not of the pointer to it.
3893 2001-01-24 Tom Tromey <tromey@redhat.com>
3895 * gcc.texi (G++ and GCC): Mention gcj manual.
3896 (Standards): Link to section of manual mentioning gcj/Java
3899 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3901 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3902 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3903 * tradcpp.c (main): Add -imacros or -include'd dependencies
3905 * cpp.texi (-M, -MM): Document -M -include behaviour.
3907 2001-01-24 Roger Collins <roger@ProProject.com>
3909 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3911 2001-01-24 Will Cohen <wcohen@redhat.com>
3913 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3914 whether registers are 32 bits or 64 bits in size.
3916 2001-01-24 Ben Elliston <bje@redhat.com>
3918 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3920 2001-01-24 Richard Henderson <rth@redhat.com>
3922 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3923 (builtin_longjmp): Use it instead of emit_indirect_jump.
3925 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3927 * bb-reorder.c (make_reorder_chain_1): Handle case where
3928 jump edge goes to the same block as the fallthru edge.
3930 2001-01-23 Jim Wilson <wilson@redhat.com>
3932 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3933 * frame.h (__ia64_personality_v1): Add prototype.
3934 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3935 prototype form. Add void * cast to first argument to personality
3937 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3938 (asctoe113): Likewise.
3939 * config/ia64/frame-ia64.c: Include eh-common.h.
3940 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3942 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3944 (itanium_split_issue): Add prototype.
3945 (gen_nop_type): Ifdef out.
3946 (find_best_packet): Initialize best_packet.
3947 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3949 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3950 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3951 (flushrs): Add explicit stop bit at end.
3952 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3955 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3957 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3959 * libgcc2.c (__terminate_func): Make variable static.
3960 (__terminate_set_func): New function to set __terminate_func.
3961 * libgcc2.h (__terminate_func_ptr): New typedef.
3962 (__terminate_set_func): New function.
3964 2001-01-23 Richard Henderson <rth@redhat.com>
3966 * flow.c (init_propagate_block_info): Don't consider unchanging
3967 memories for dead frame store elimination.
3969 2001-01-23 Richard Henderson <rth@redhat.com>
3971 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3972 * defaults.h: ... here.
3974 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3976 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3978 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3980 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3982 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3984 * rs6000.h (rs6000_return_addr): Move prototype from here...
3985 * rs6000-protos.h (rs6000_return_addr): ...to here.
3986 (rs6000_init_expanders): Delete prototype.
3988 2001-01-23 Nick Clifton <nickc@redhat.com>
3990 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3991 (Spec Files): Document %B and %j and %. and %v3 and %M and
3992 %{S*&T} spec switches.
3994 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3996 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3998 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3999 Neil Booth <neil@daikokuya.demon.co.uk>
4001 * cpperror.c: Merge handlers of PEDWARN and WARNING.
4002 Have -Werror make pedantic warnings errors, like the
4005 2001-01-23 Phil Edwards <pme@sources.redhat.com>
4007 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
4009 2001-01-23 Jakub Jelinek <jakub@redhat.com>
4011 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
4012 * integrate.c (expand_inline_function): Initialize them.
4013 (subst_constants): If changing COMPARE so that both its arguments
4014 will be VOIDmode and the comparison mode will be lost, note
4015 compare_mode. Use the recorded compare_mode to optimize
4018 2001-01-23 Jason Merrill <jason@redhat.com>
4020 * dwarf2out.c (new_die): Use xcalloc.
4021 (output_die): Abort rather than emit a local reference to offset 0.
4023 2001-01-17 Andrew Haley <aph@redhat.com>
4025 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
4026 of a saved register; return NULL instead.
4027 (copy_reg): Take a pointer to a source register rather than a
4029 (next_stack_level): Remember the address in the stack frame of all
4031 Use the saved register pointer array as the source of the CFA.
4032 (throw_helper): Rewrite. Unwind once rather than twice and keep
4033 track of saved registers as we go.
4035 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4037 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4038 * c4x.c (c4x_legitimize_reload_address): Remove.
4039 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
4040 reload address for ldp(k) insn.
4042 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
4044 * pa.md (return_internal): Add a USE of the PIC register to ensure
4045 it is restored after each call.
4046 (return expander): Corresponding changes.
4048 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4050 * rs6000.h (INIT_EXPANDERS): Delete.
4051 (RETURN_ADDR_RTX): Call rs6000_return_addr().
4052 * rs6000.c (rs6000_override_options): Call *_machine_status from
4054 (rs6000_init_expanders): ...instead of here. Delete.
4055 (rs6000_mark_machine_status): New function.
4056 (rs6000_init_machine_status): Use xcalloc.
4057 (rs6000_return_addr): Generate RTX for the return address.
4058 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
4059 (rs6000_stack_info): Use it.
4061 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
4063 * gthr-win32.h: Include errno.h to get a declaration for
4064 EINVAL and _mingw.h if the target is mingw32.
4066 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
4068 * cpp.texi: Correct typos.
4070 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4072 * explow.c (probe_stack_range): Ensure value passed to
4073 stack_check_libfunc is ptr_mode, not Pmode.
4075 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
4077 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
4078 case, don't use operand_subword to calculate a SUBREG that is
4081 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
4083 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4085 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
4086 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
4087 valid. If not replace it by equivalent insns.
4089 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4091 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
4092 contains SYMBOL_REF, LABEL_REF and CONST_INT.
4093 (c4x_U_constraint, symbolic_address_operand): Likewise.
4094 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
4096 (c4x_r11_set_p, c4x_check_laj_p): New functions.
4097 * c4x-protos.h (c4x_check_laj_p): Add prototype.
4098 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
4099 anulling slot because of silicon bug.
4100 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
4102 2001-01-22 Alan Modra <alan@linuxcare.com.au>
4104 * cppexp.c (parse_charconst): Change `mask' type to agree
4107 2001-01-21 Richard Henderson <rth@redhat.com>
4109 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4110 pic_label_name in a linkonce section.
4112 2001-01-17 Philipp Thomas <pthomas@suse.de>
4114 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4116 * configure: Regenerate.
4118 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4120 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4121 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4123 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4125 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4126 If REVERSE nonzero then condition code in X must be reversed.
4127 (encode_section_info): Optimise if/else.
4128 (avr_function_value): Fix formatting.
4130 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4131 (difficult_branch): Likewise.
4132 (rvbranch): Likewise.
4133 (difficult_rvbranch): Likewise.
4135 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
4137 * config/avr/libgcc.S: Fix comment.
4139 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4141 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
4143 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4145 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
4147 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4149 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
4150 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
4151 * configure, config.in: Regenerate.
4152 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
4153 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
4154 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
4155 (doprint.o): New rule.
4157 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
4159 * c-typeck.c (digest_init): Handle boolean types as scalars.
4161 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4163 * stmt.c (expand_return): Don't return anything if size is zero.
4164 Delete redundant assignment to BYTES.
4165 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
4167 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
4169 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
4170 the same as the default library function names.
4171 * config/avr/avr.md: Document special characters after '%'.
4172 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
4173 knowing which of the call-used registers are really clobbered.
4174 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
4175 New. Both quotient and remainder from one libgcc.S call.
4176 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
4177 clobber as few registers as possible.
4178 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
4180 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
4182 * cppmacro.c (funlike_invocation_p): Don't move back up to the
4183 context of the top of the stack.
4185 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4187 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4188 (fixup_var_refs_insns): ...here.
4190 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4192 * function.c (fixup_var_refs_insns): Break up into
4193 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4194 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4195 [loop over hash table entries].
4196 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4197 fixup_var_refs_insns_with_hash, to match above changes.
4199 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4201 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4202 (libgcc.a): Likewise.
4203 (stmp-multilib): Likewise.
4204 (STAGE2_FLAGS_TO_PASS): Likewise.
4206 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4208 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4209 temporary if no_new_pseudos.
4211 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4213 * cppinternals.texi: Update.
4215 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4217 * arm.c (arm_init_builtins): Re-enable builtins.
4219 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4221 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4222 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4223 element to be null, and always expect an EXPR_LIST.
4224 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4225 * sched-deps.c (sched_analyze_1): Likewise.
4226 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4228 * regclass.c (max_set_parallel): New variable.
4229 (reg_scan): Take it into account in computation of max_parallel.
4230 (reg_scan_mark_refs, case SET): Compute it.
4232 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4234 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4235 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4237 2001-01-19 Jason Merrill <jason@redhat.com>
4239 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4240 for the abstract instance of an inline function.
4242 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4243 J"orn Rennecke <amylaar@redhat.com>
4245 * reload1.c (move2add_note_store): Treat all registers directly or
4246 indirectly derived from a base register as members of the same set
4248 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4249 of base register into account.
4251 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4253 * alias.c (find_base_value): Recognize TRUNCATE.
4254 (record_set): In PLUS case, invalidate if other summand is also a
4257 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4259 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4260 entry to be EXPR_LIST.
4261 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4262 be an EXPR_LIST (but not null, which other code doesn't allow).
4263 (note_stores): Properly handle PARALLEL in SET.
4264 Recursively call for top-level PARALLEL.
4265 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4266 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4268 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4270 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4272 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4273 not pfile->skipping (== 0).
4275 2001-01-17 Nick Clifton <nickc@redhat.com>
4277 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4280 2001-01-17 Jim Wilson <wilson@redhat.com>
4282 * invoke.texi (IA-64 options): Improve.
4284 2001-01-17 Tom Tromey <tromey@redhat.com>
4286 * invoke.texi (Optimize Options): Use `{}' to around @samp
4289 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4291 * invoke.texi (-fno-guess-branch-probability): New option.
4293 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4295 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4296 case of making new double-word constant.
4297 Revert last change: instead just test i3_subst_into_i2.
4299 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4301 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4302 Use q constraints instead of r.
4304 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4306 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4307 (machine_function): Define.
4308 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4309 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4310 pa_free_machine_status): New functions.
4311 (override_options): Set {init,mark,free}_machine_status to above.
4312 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4313 PIC_OFFSET_TABLE_REGNUM_SAVED.
4314 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4315 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4316 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4317 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4318 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4320 2001-01-15 DJ Delorie <dj@redhat.com>
4322 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4326 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4328 * flow.c (propagate_on_insn): Make trying to delete a prologue
4329 or epilogue insn an ICE, not a warning. Allow doing this if
4330 the current function returns with stack pointer depressed.
4332 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4333 I3 having more than one SET.
4335 2001-01-16 Jim Wilson <wilson@redhat.com>
4337 * invoke.texi: Document IA-64 options.
4339 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4340 (fixup_errata): Delete TARGET_A_STEP use.
4341 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4342 (TARGET_SWITCHES): Delete -ma-step option.
4343 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4344 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4345 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4346 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4347 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4348 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4350 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4351 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4352 cmovsi_internal): Delete ! TARGET_A_STEP check.
4354 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4356 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4357 possibility to report bugs via postal mail. Change a URL and
4358 merge in a nearly duplicate statement...
4359 (Bug Reporting): ...from here.
4360 (Service): Refer to the Bug Reporting section instead of
4362 (Contributing): Remove trivial explanations concerning snapshots.
4364 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4366 * cppmain.c (general_init): Don't use ANSI prototype.
4368 2001-01-16 Tom Tromey <tromey@redhat.com>
4370 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4372 2001-01-16 Richard Henderson <rth@redhat.com>
4374 * config/i386/i386.h: Fix comment typo.
4375 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4376 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4378 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4380 * gcc.c: Revert previous -fsyntax-only-related change; move
4383 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4385 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4386 inmode after checking GET_CODE (op).
4388 2001-01-16 Richard Henderson <rth@redhat.com>
4390 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4391 (MAX_MEM_SET_LIST_LEN): New.
4392 (propagate_one_insn): Update mem_set_list_len.
4393 (invalidate_mems_from_autoinc): Likewise.
4394 (invalidate_mems_from_set): Likewise.
4395 (mark_used_regs): Likewise.
4396 (init_propagate_block_info): Likewise. Stop collecting memories
4397 when we reach MAX_MEM_SET_LIST_LEN.
4398 (mark_set_1): Likewise.
4400 2001-01-16 Richard Henderson <rth@redhat.com>
4402 * unroll.c (precondition_loop_p): Fail if no iteration
4405 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4407 * gcc.c: When -fsyntax-only is given, do not complain about
4410 2001-01-15 Richard Henderson <rth@redhat.com>
4412 * config/i386/i386.c (asm_output_function_prefix): Remove.
4413 (ix86_asm_file_end): New.
4414 (load_pic_register): Generate pic_label_name into a
4415 staticly allocated buffer.
4416 * config/i386/i386-protos.h: Update.
4417 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4418 (ASM_FILE_END): New.
4419 * config/i386/i386afe.h: New file.
4420 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4421 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4422 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4423 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4424 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4425 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4426 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4428 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4430 * Makefile.in (install-man): Remove explicit dependency on
4433 * configure.in, configure: Revert previous patch requiring perl
4436 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4438 * toplev.c (flag_guess_branch_prob): New.
4439 (f_options): Add guess-branch-probability option.
4440 (rest_of_decl_compilation): Only estimate branch probability if
4442 (main): set flag_guess_branch_prob.
4444 * flags.h (flag_guess_branch_prob): New.
4446 2001-01-15 DJ Delorie <dj@redhat.com>
4448 * gcc.texi (Makefile): Add documentation for Makefile targets.
4450 2001-01-15 Philip Blundell <philb@gnu.org>
4452 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4454 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4455 (is_pic): Delete declaration.
4456 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4457 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4458 * config/arm/arm.md (builtin_setjmp_receiver): New.
4460 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4462 * arm.c (use_return_insn): Don't try to determine the function type
4463 until after reload has completed.
4464 (arm_output_epilogue): Don't adjust the sp value recovered from the
4466 (emit_multi_reg_push): Don't record dwarf information for the pc.
4467 * arm.md (eh_epilogue): The function type may have changed, so it
4468 needs to be recalculated.
4469 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4470 unwind tables on arm/netbsd.
4472 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4474 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4475 (negated_cbranchsi4): Likewise.
4477 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4479 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4480 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4481 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4482 pass -mapcs-* options to assembler.
4483 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4484 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4485 (ASM_SPEC): Call subtarget_extra_asm_spec.
4487 2001-01-15 Andreas Jaeger <aj@suse.de>
4489 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4491 (ix86_expand_builtin): Likewise.
4493 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4494 warning about comparison between signed and unsigned.
4496 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4498 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4500 2001-01-14 Ralf Baechle <ralf@gnu.org>
4502 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4503 SUBTARGET_CPP_SPEC apropriatly.
4505 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4507 * varasm.c (make_decl_rtl): Fix typo in last change.
4509 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4511 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4512 linker supports the init_priority C++ attribute.
4513 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4514 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4515 linker does not support init_priority C++ attribute.
4517 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4519 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4521 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4523 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4524 * cp/lex.c (finish_parse): Similarly.
4525 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4526 Return the number of errors encountered.
4527 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4528 * cppmain.c (main): Don't call cpp_destroy.
4530 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4532 * configure.in: Require at least perl 5.6.0 to regenerate
4534 * configure: Regenerate.
4536 2001-01-14 Richard Henderson <rth@redhat.com>
4538 * genrecog.c (DT_veclen_ge): New.
4539 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4540 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4541 (nodes_identical_1): Handle DT_veclen_ge.
4542 (write_cond, debug_decision_2): Likewise.
4544 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4546 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4548 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4550 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4552 * cppmain.c (do_preprocessing): New function; most of the old
4554 (main): Call it to do most of the work.
4555 (cb): Move from global scope to set_callbacks ().
4556 (setup_callbacks): Get the callback pointer.
4557 (general_init, printer_init): Clean up code and comments.
4559 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4561 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4564 2001-01-14 Kazu Hirata <kazu@hxi.com>
4566 * config/h8300/h8300.c (get_shift_alg): Update comments.
4568 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4570 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4571 (alloc_page, ggc_alloc): Add casts to remove warnings.
4573 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4575 * combine.c (simplify_comparison): Don't change `code' when
4576 can't reverse comparison.
4578 2001-01-14 Richard Henderson <rth@redhat.com>
4580 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4581 update all call sites. Return true for all non-label constants.
4583 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4585 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4587 (ix86_expand_branch): Update.
4588 (ix86_expand_setcc): Update to handle multiple test conditions.
4589 (expand_int_movcc): Likewise.
4590 (expand_fp_movcc): Likewise.
4591 * i386-protos.h (ix86_expand_compare): New.
4592 * i386.md (andqi_?_slp, orqi_?_slp): New.
4593 (conditional trap expander): Update call to ix86_expand_compare.
4595 2001-01-14 Richard Henderson <rth@redhat.com>
4597 * config/vax/vax.md: Use nonimmediate_operand instead of
4598 general_operand in destinations.
4600 * config/vax/vax.md (indirect_jump): Use register_operand.
4602 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4603 * config/vax/vax.md (call_pop): Turn into an expander.
4604 (call_value_pop): Likewise.
4605 (call, call_value): New.
4607 2001-01-14 Andreas Jaeger <aj@suse.de>
4609 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4611 (ix86_fp_compare_mode): Add unused attribute.
4612 (ix86_expand_fp_movcc): Remove unused variable.
4613 (ix86_expand_builtin): Make fcode unsigned.
4615 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4616 (expand_expr): Add cast to avoid signed warning.
4617 (store_field): Likewise.
4618 (store_constructor_field): Likewise.
4619 (store_constructor): Likewise.
4620 (store_expr): Likewise.
4621 (clear_storage): Likewise.
4622 (emit_group_store): Likewise.
4623 (emit_group_load): Likewise.
4625 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4627 * c-common.c: Move format checking code to ...
4628 * c-format.c: ... here. New file. Reorder some functions and
4630 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4632 * c-common.h (decl_handle_format_attribute,
4633 decl_handle_format_arg_attribute): Declare.
4634 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4635 (c-common.o): Adjust dependencies.
4636 (c-format.o): New list of dependencies.
4638 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4640 * unroll.c (loop_iterations): If we cannot prove iteration variable
4641 is set once in each iteration, punt.
4643 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4645 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4646 (*strlenhi): Remove clobber (which was buggy) of output address.
4648 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4650 * Makefile.in (generated-manpages): Add gcc.1
4651 ($(srcdir)/gcc.1): New target.
4652 (maintainer-clean): Delete $(srcdir)/gcc.1.
4653 * gcc.texi: Add macros @gccoptlist and @gol.
4654 * invoke.texi: Include option summary in manpage. Mark up option
4655 summary with @gccoptlist and @gol. Use @r in one place where
4657 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4658 * gcc.1: Generate from invoke.texi.
4660 2001-01-13 Richard Henderson <rth@redhat.com>
4662 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4663 (struct page_entry): Add group member.
4664 (struct page_group): New.
4665 (struct globals): Add page_groups member.
4666 (alloc_anon): Only define for using mmap; remove valloc call.
4667 (page_group_index): New.
4668 (set_page_group_in_use): New.
4669 (clear_page_group_in_use): New.
4670 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4671 (free_page, release_pages): Likewise.
4672 * configure.in (with-gc): Default to ggc-page always.
4674 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4676 * reload1.c (replace_pseudos_in_call_usage): Use
4677 reg_equiv_constant and reg_equiv_address, and don't try
4678 regno_reg_rtx first.
4680 2001-01-13 Richard Henderson <rth@redhat.com>
4682 * ggc-page.c (alloc_page): Round up allocation size to one page.
4683 Set e->order on extra pages.
4685 2001-01-13 Richard Henderson <rth@redhat.com>
4687 * genrecog.c (nodes_identical): Expand commentary.
4688 (write_switch): Watch out for identical nodes.
4690 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4692 * cppfiles.c (_cpp_fake_include): New function.
4693 * cpphash.h (_cpp_fake_include): New.
4694 * cpplib.c (do_line): Call _cpp_fake_include when entering
4695 header files in preprocessed input.
4696 * cppmain.c (cb_pragma_implementation): Remove handling.
4697 (setup_callbacks): Don't register pragmas.
4699 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4701 * extend.texi: Udate for CPP.
4703 2001-01-13 Andreas Jaeger <aj@suse.de>
4705 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4707 * regmove.c: Add prototype for replace_in_call_usage.
4709 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4711 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4712 struct cpp_chunk, struct htab, struct toklist,
4713 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4714 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4715 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4716 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4717 (struct macro_args): Delete.
4718 * cpphash.h: See above.
4720 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4722 * cppmain.c (struct printer): Remove no_line_dirs.
4724 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4725 : Use options rather than CPP_OPTION.
4726 (setup_callbacks): Use cb rather than pfile->cb.
4727 (main): No need to check for a buffer. Use cpp_errors.
4728 (printer_init): Don't set no_line_dirs.
4729 (maybe_print_line): Use options not no_line_dirs.
4730 (cb_file_change): Don't call print_line if -P.
4732 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4734 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4736 * c-parse.in (finish_parse): Use cpp_errors.
4737 (__yylex): Use return value of cpp_pop_buffer.
4738 * cp/lex.c (finish_parse): Use cpp_errors.
4739 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4741 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4743 * README.AVR: URLs corrected.
4745 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4747 * c-decl.c (start_function): Don't warn if old prototype is builtin
4748 that's not in C's namespace.
4749 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4750 (_bb): Add prototype for ctime.
4751 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4753 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4755 * i386.c (ix86_fp_comparison_arithmetics_cost,
4756 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4757 ix86_fp_comparison_cost): New functions.
4758 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4759 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4760 two-branch sequences; make static.
4761 (ix86_use_fcomi_compare): Do decision according to the costs.
4762 (split_fp_branch): New.
4763 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4764 * i386-protos.h (ix86_expand_fp_compare): Remove
4765 (ix86_split_fp_branch): Declare.
4767 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4768 and ix86_comparison_operator.
4770 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4773 * i386.c (put_condition_code): Output properly the unordered/ordered
4774 compares in fp case.
4775 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4777 * tm.texi (REVERSE_CONDITION): Document.
4778 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4779 in -ffast-math mode.
4780 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4782 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4784 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4786 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4789 * config/sh/sh.c (mova_p): Fix test for mova_const.
4791 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4793 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4794 cpp_get_options rather than dereferencing pfile and using
4796 * scan-decls.c (scan_decls): Use return value of
4797 cpp_pop_buffer rather than CPP_BUFFER.
4799 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4801 * cppinit.c (cpp_handle_option): help_only is now part of the
4802 cpp_options structure.
4803 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4804 cpp_set_callbacks): New functions.
4805 * cpplib.h (cpp_callbacks): Break out as a named structure.
4806 (cpp_options): Move help_only here from cpp_reader.
4807 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4808 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4809 cpp_set_callbacks): New prototypes.
4810 * cppmain.c (main): Update for help_only.
4812 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4814 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4815 Also build and remove and install and uninstall c-tree.info and
4817 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4818 ($(srcdir)/cppinternals.info): New target.
4819 * c-tree.texi: Change file name used when makeinfo used without -o
4820 from ir.info to c-tree.info. Add info directory entry.
4821 * cppinternals.texi: Add info directory entry.
4822 * .cvsignore: Update.
4824 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4826 * c-typeck.c (store_init_value): Don't require constant initializer
4827 elements with -pedantic -std=c99.
4828 (digest_init): Change error about non-constant initializer elements
4830 (constructor_range_end): Remove.
4831 (constructor_incremental, designator_depth,
4832 designator_errorneous): New variables.
4833 (struct constructor_stack): Remove range_end, add incremental.
4834 (struct constructor_range_stack, constructor_range_stack): New.
4835 (struct initializer_stack): Add constructor_range_stack.
4836 (finish_init): Set it.
4837 (start_init): Likewise. require_constant_elements for non-static
4838 trees only if not flag_isoc99.
4839 (really_start_incremental_init): Remove constructor_range_end, add
4840 constructor_incremental.
4841 (pop_init_level): Likewise.
4842 (push_init_level): Likewise. If implicit and the subobject had some
4843 value set already, preinitialize the level with it.
4844 Warn about missing braces only if not pushing due to designators.
4845 (set_designator, push_range_stack): New functions.
4846 (set_init_label): Use them.
4847 (set_init_index): Likewise. Remove constructor_range_end.
4848 Error if designator index is outside of array bounds.
4849 (add_pending_init): Compare values of purpose index trees, not the
4850 trees themselves. Allow overwriting of already initialized element.
4851 Issue a warning if it had side-effects.
4852 (set_nonincremental_init, set_nonincremental_init_from_string): New
4854 (pending_init_member): Rename to...
4855 (find_init_member): ...this function. Call set_nonincremental_init
4856 if necessary. Compare values of purpose index trees, not the trees
4857 themselves. Return the actual value, not just non-zero if something
4859 (output_init_element): Remove checks for duplicates.
4860 If field has zero size, only check the initializer for correctness.
4861 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4862 if constructor_incremental is zero. Change error about initializers
4863 not computable at load time into pedwarn.
4864 (output_pending_init_elements): Compare bit positions, not
4865 FIELD_DECLs to take into account zero-sized fields.
4866 (process_init_element): Use constructor_range_stack to fill all
4867 ranges in the designator lists from current level up.
4868 * extend.texi: Update documentation for labeled elements.
4870 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4872 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4873 to function usage for arguments passed by reference. Optimize
4874 callee-copied arguments.
4875 * regmove.c (replace_in_call_usage): New function.
4876 (fixup_match_1): Call it.
4877 * cse.c (cse_insn): Canonicalize registers in function usage.
4878 * reload1.c (replace_pseudos_in_call_usage): New function.
4881 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4884 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4886 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4889 2001-01-12 DJ Delorie <dj@redhat.com>
4891 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4892 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4895 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4897 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4898 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4899 -std options alongside references to -ansi. Update some
4900 documentation for C99.
4901 * cpp.1: Regenerate.
4903 2001-01-12 Andreas Jaeger <aj@suse.de>
4905 * haifa-sched.c (restore_line_notes): Remove argument block B
4907 * sched-ebb.c (schedule_ebb): Change caller.
4908 * sched-rgn.c (schedule_region): Likewise.
4909 * sched-int.h (restore_line_notes): Adjust prototype.
4911 * loop.h: Remove wrong declaration of doloop_condition_get.
4913 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4915 * extend.texi: Move C++-extension-related node from the C section
4916 into the C++ section.
4918 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4920 * extend.texi: Refer to an array of pointers to functions instead
4921 of one of functions.
4923 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4924 Jan Hubicka <jh@suse.cz>
4926 * combine.c (reversed_comparison): Fix typo in last patch.
4928 (combine_reversed_comparison_code): Make static to follow
4929 prototype declaration.
4931 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4933 * install.texi: Remove misplaced duplicate entry.
4935 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4937 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4939 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4941 * final.c: (leaf_function_p): Fix typo.
4943 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4945 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4946 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4948 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4949 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4950 mmap_anon, and valloc is available.
4951 * ggc-page.c: Restructure ifdef logic to match new autoconf
4952 spec. Don't throw away the test page in init_ggc.
4954 * configure, config.in: Regenerate.
4956 2001-01-12 Michael Hayes <mhayes@redhat.com>
4958 * loop.h (total_biv_increment): Constify iv_class pointer.
4959 (struct induction): Replace `mem_mode' with `mem' rtx.
4960 * unroll.c (total_biv_increment): Constify iv_class pointer.
4961 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4962 (find_mem_givs, combine_givs_p): Likewise.
4963 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4965 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4967 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4969 (__gthread_getspecific): Ditto.
4971 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4973 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4974 put_condition_code): Convert fp comparison codes to integer
4976 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4979 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4980 * i386-protos.h (no_comparison_operator): Kill.
4982 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4984 * combine.c (REVERSIBLE_CC_MODE): Remove.
4985 (reversible_comparison_p): Remove.
4986 (combine_reversed_comparison_code): New.
4987 (reversed_comparison): New.
4988 (combine_simplify_rtx): Use
4989 combine_reversed_comparison_code/reversed_comparison instead
4990 of reversible_comparison_p.
4991 (simplify_if_then_else): Likewise.
4992 (simplify_set): Likewise.
4993 (simplify_logical): Likewise.
4994 (if_then_else_cond): Likewise.
4995 (known_cond): Likewise.
4996 (simplify_comparison): Likewise.
4998 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
5000 * builtins.c (std_expand_builtin_va_start): Handle varargs when
5001 sizeof (int) is larger than sizeof(__word__).
5003 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5005 * cppinit.c (do_includes): Fix typo.
5007 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5009 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
5010 in S_REGS does not occur because not all sources are possible
5011 when a S_REGS is a destination (sometimes needs a clobber).
5012 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
5013 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
5014 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
5015 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
5016 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
5017 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
5018 (lshrdi_const1, lshrsi3_const16): Likewise.
5019 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
5020 (*movhi_68hc12, *movqi_68hc12): Likewise.
5021 (movstrictqi): Make sure reloading in D_REGS as a destination
5024 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5026 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5028 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5030 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
5031 -D, -U and -A, and don't initialize the builtins.
5032 (do_includes): Error if -include or -imacros with -fpreprocessed.
5033 * cppmain.c (cb_define, cb_undef): Unconditionally process
5035 * tradcpp.c (main): Fix typo.
5037 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
5039 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
5040 (read_name_map): Use IS_ABSOLUTE_PATH.
5041 * tradcpp.c (get_filename): Likewise.
5043 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5045 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
5046 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
5047 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
5048 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
5049 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
5050 (cmphi_z_used): Don't use '@' for the output.
5051 (tstqi_z_used): Likewise.
5052 (cmpqi_z_used): Likewise.
5053 (one_cmplsi2): Likewise.
5055 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5057 * config/sh/sh.c (barrier_align): Recognize branch around far
5058 branch and redundant insn.
5060 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5062 * invoke.texi: Restore documentation of the drivers' switches -MD
5065 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5067 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
5069 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
5070 check-objc//%): Support parallel testing of multilibs.
5071 (TESTSUITEDIR): Set to testsuite by default, but override for
5073 (check-gcc, check-g++, check-g77, check-objc): Enter
5076 2001-01-11 Bernd Schmidt <bernds@redhat.com>
5078 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
5079 * sched-deps.c (deps_may_trap_p): Likewise.
5080 * basic-block.h: Remove a comment.
5081 * flow.c (PROP_POSTRELOAD): Remove.
5082 (update_life_info): Don't add it to prop_flags.
5083 (mark_set_1): Lose the code that was enabled by it.
5085 2001-01-11 Michael Hayes <mhayes@redhat.com>
5087 * flow.c (flow_call_edges_add): New.
5088 * basic_block.h (flow_call_edges_add): New.
5090 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
5092 * reload1.c (move2add_note_store): Update reg_set_luid even if
5093 base reg remains the same.
5095 2001-01-10 Nick Clifton <nickc@redhat.com>
5097 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
5098 machine_function structure to zero.
5099 Add prototypes for machine_status functions.
5101 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5103 * c-common.h (CTI_VOID_LIST): Remove.
5104 (void_list_node): Likewise.
5105 * tree.h (TI_VOID_LIST_NODE): New enumeral.
5106 (void_list_node): New macro.
5107 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
5108 * config/i386/i386.c (ix86_init_builtins): Likewise.
5109 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5111 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5113 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5114 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5116 * tradcpp.c: Include mkdeps.h.
5117 (deps, print_deps_phony_targets, deps_append, output_deps,
5118 init_dependency_output, output_deps): New.
5119 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5120 deps_output): Delete.
5121 (print_deps_missing_files): Rename deps_missing_files.
5122 (inhibit_output): Make global.
5123 (main): Delete inhibit_output, deps_stream, deps_target.
5124 Use mkdeps functionality in the same way as cpplib. Remove
5125 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5126 -M and -MM. Remove old handling of deps via deps_out, and
5127 old reading of environment variables.
5128 (get_filename): Update to use deps_add_dep.
5130 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5132 * output.h (make_function_rtl): Remove prototype.
5133 (make_decl_rtl): Likewise.
5134 * varasm.c (make_function_rtl): Remove.
5135 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
5136 than from a third parameter.
5137 * tree.h (make_decl_rtl): Remove last parameter.
5138 * c-decl.c (builtin_function): Remove last argument in call to
5139 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
5140 (start_function): Likewise.
5141 * except.c (call_get_eh_context): Likewise.
5142 * expr.c (emit_block_move): Likewise.
5143 (clear_storage): Likewise.
5144 * profile.c (output_func_start_profiler): Likewise.
5145 * toplev.c (rest_of_decl_compilation): Likewise.
5146 * objc/objc-act.c (create_builtin_decl): Likewise.
5147 (synth_module_prologue): Likewise.
5148 (generate_static_reference): Likewise.
5149 (build_selector_reference_decl): Likewise.
5150 (build_class_reference_decl): Likewise.
5151 (build_objc_string_decl): Likewise.
5152 (build_protocol_reference): Likewise.
5154 2001-01-10 Richard Henderson <rth@redhat.com>
5156 * hwint.h: Revert yesterday's change.
5158 2001-01-10 Nick Clifton <nickc@redhat.com>
5160 * function.h (save_machine_status): Delete.
5161 (restore_machine_status): Delete.
5162 Amend comment describing {init|mark|free}_machine_status.
5164 * function.c (save_machine_status): Delete.
5165 (restore_machine_status): Delete.
5166 Amend comment describing {init|mark|free}_machine_status.
5167 (push_function_context_to): Remove invocation of
5168 save_machine_status.
5169 (pop_function_context_from): Remove invocation of
5170 restore_machine_status.
5172 * emit-rtl.c (init_emit_once): Amend comment describing
5173 {init|mark|free}_machine_status.
5175 * tm.texi (Per-Function Data): New node. Describe the
5176 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
5179 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5181 * cppinit.c (OPT_g): Remove.
5182 (cpp_handle_option): Update for removed -g3.
5183 (print_help): Update.
5184 * cpplib.h (struct cpp_options): Remove debug_output.
5185 * cppmain.c (setup_callbacks, cb_define): Update.
5186 * gcc.c (cpp_options): Translate -g3 to -dD.
5188 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5190 * config/i960/i960.md: Change modifier to + on the zero_extract
5191 pattern after the (rotate -2 reg) canonicalization pattern.
5193 2001-01-10 Richard Henderson <rth@redhat.com>
5195 * config/alpha/alpha.c (alpha_free_machine_status): New.
5196 (override_options): Install it.
5197 (alpha_mark_machine_status): Verify machine non-null.
5198 * config/i386/i386.c (ix86_free_machine_status): New.
5199 (override_options): Install it.
5200 (ix86_init_machine_status): Use xcalloc.
5201 (ix86_mark_machine_status): Verify machine non-null.
5202 * config/ia64/ia64.c (ia64_free_machine_status): New.
5203 (ia64_override_options): Install it.
5204 (ia64_mark_machine_status): Verify machine non-null.
5206 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5208 * function.c (instantiate_virtual_regs): Instantiate virtual
5209 registers found in CALL_INSN_FUNCTION_USAGE.
5211 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5213 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5214 equivalent to -ansi in disabling -Di386.
5216 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5218 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5220 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5222 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5224 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5226 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5228 * invoke.texi: Document that -fcond-mismatch isn't supported for
5231 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5233 * gcc.texi: Define macro gcctabopt.
5234 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5235 @command, @env and @option in some places where appropriate. Use
5236 @gcctabopt where appropriate. Put URLs and email addresses inside
5239 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5241 * gcc.c (cpp_options): Set MD file name from output
5242 filename, if specified.
5243 (suffix_subst): New static variable.
5244 (do_spec): Clear it.
5245 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5247 (give_switch): Handle suffix_subst.
5249 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5251 * invoke.texi: Fix another typo.
5253 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5255 * invoke.texi: Fix typo.
5257 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5259 * c-lang.c (lang_hooks): Update.
5260 (lang_decode_option): Remove.
5261 (lang_init_options): Rename c_init_options.
5262 * toplev.c (main): Use lang_hooks for lang_init_options
5263 and lang_decode_option.
5264 * toplev.h (lang_hooks): Add 2 new hooks.
5265 * tree.h: Remove lang_init_options and lang_decode_option.
5266 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5267 * cp/decl2.c: Similarly.
5268 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5269 (lang_hooks): Update.
5270 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5272 (lang_init_options): Rename ffe_init_options.
5273 (lang_hooks): Update.
5274 (lang_decode_option): Remove.
5275 * java/lang.c (lang_init_options): Rename java_init_options.
5276 (lang_decode_option): Rename java_decode_option.
5277 (lang_hooks): Update.
5278 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5279 (lang_decode_option): Rename objc_decode_option.
5280 (lang_hooks): Update.
5282 2001-01-09 Nick Clifton <nickc@redhat.com>
5284 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5285 (d30v_return_addr_rtx): Delete.
5286 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5287 cfun->machine structure.
5288 (struct machine_function): Move to d30v.h
5289 (d30v_save_machine_status): Delete.
5290 (d30v_restore_machine_status): Delete.
5291 (d30v_init_machine_status): New Function.
5292 (d30v_mark_machine_status): New Function.
5293 (d30v_free_machine_status): New Function.
5294 (d30v_init_expanders): Use new functions.
5295 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5296 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5297 d30v_return_addr_rtx.
5299 * config/d30v/d30v.h (struct_machine): Move here.
5300 Add eh_epilogue_sp_ofs field.
5302 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5303 field in cfun->machine structure.
5305 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5307 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5308 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5309 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5311 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5313 * objc/lang-options.h: Remove bogus reference to
5316 2001-01-09 Kazu Hirata <kazu@hxi.com>
5318 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5321 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5323 * reload.c (find_reloads_address): Check for eliminable registers
5324 when substituting a constant expression for a pseudo.
5326 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5328 * c-common.c (enum format_type): Add format_type_error.
5329 (decode_format_type): New function.
5330 (decl_attributes): Use it.
5331 (format_kind_info): Adjust comment.
5333 2001-01-09 David O'Brien <obrien@BSDi.com>
5335 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5336 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5338 * config/i386/gnu.h: Don't include required platform specific .h files,
5339 tm.h will do it instead.
5340 * config/i386/i386elf.h: Likewise.
5341 * config/i386/linux.h: Likewise.
5342 * config/i386/moss.h: Likewise.
5343 * config/mips/gnu.h: Likewise.
5345 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5347 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5348 (rs6000-ibm-aix3.[01]*): Likewise.
5349 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5350 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5351 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5352 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5353 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5354 (powerpc-*-eabiaix*): Likewise.
5355 (powerpc-*-eabisim*): Likewise.
5356 (powerpc-*-elf*): Likewise.
5357 (powerpc-*-eabi*): Likewise.
5358 (powerpc-*-rtems*): Likewise.
5359 (powerpc-*-linux*libc1): Likewise.
5360 (powerpc-*-linux*): Likewise.
5361 (powerpc-wrs-vxworks*): Likewise.
5362 (powerpcle-wrs-vxworks*): Likewise.
5363 (powerpcle-*-sysv*): Likewise.
5364 (powerpcle-*-elf*): Likewise.
5365 (powerpcle-*-eabisim*): Likewise.
5366 (powerpcle-*-eabi*): Likewise.
5367 (powerpcle-*-solaris2*): Likewise.
5368 * config/rs6000/aix31.h: Delete includes.
5369 * config/rs6000/aix3newas.h: Likewise.
5370 * config/rs6000/aix41.h: Likewise.
5371 * config/rs6000/aix43.h: Likewise.
5372 * config/rs6000/beos.h: Likewise.
5373 * config/rs6000/rtems.h: Likewise.
5374 * config/rs6000/sysv4.h: Likewise.
5376 2001-01-09 Kazu Hirata <kazu@hxi.com>
5378 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5379 Change an argument mode of machine_mode to shift_mode of
5380 shift_mode. Remove an extra error check.
5381 (emit_a_shift): Adopt to the new calling prototype of
5383 (function_prologue): Fix code for a monitor
5384 function. Support H8/S.
5385 (function_epilogue): Do not output pop for a monitor function.
5387 2001-01-09 Nick Clifton <nickc@redhat.com>
5389 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5390 (setup_incoming_varargs): Use sysv_varargs_p field of the
5391 cfun->machine structure.
5392 (struct machine_function): Move to rs6000.h
5393 (rs6000_save_machine_status): Delete.
5394 (rs6000_restore_machine_status): Delete.
5395 (rs6000_init_machine_status): New Function.
5396 (rs6000_free_machine_status): New Function.
5397 (rs6000_init_expanders): Use new functions.
5399 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5401 (struct machine_function): Move here.
5403 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5404 sysv_varargs_p field of the cfun->machine structure.
5406 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5408 (rs6000_restore_machine_status): Remove prototype.
5410 2001-01-09 Richard Henderson <rth@redhat.com>
5412 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5413 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5414 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5415 (sched_analyze_2, sched_analyze_insn): Likewise.
5416 (sched_analyze, init_deps): Likewise.
5417 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5418 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5419 (compute_block_backward_dependences): Update propagate_deps call.
5421 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5423 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5425 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5427 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5428 (cpp_handle_option): Handle them.
5429 (cpp_post_options): Ensure one of -M or -MM is specified with
5430 any other -M? option.
5431 (init_dependency_output): Suppress output with -MG.
5433 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5436 * invoke.texi: Update.
5438 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5440 * sh.md (reload_outsf): Generate recognizable patterns for
5443 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5445 * c-lang.c (lang_hooks): Update.
5446 (lang_init): Rename c_init.
5447 (lang_finish): Remove.
5448 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5450 * toplev.h (lang_hooks): Add init () and finish ().
5451 * tree.h (lang_init, lang_finish): Remove.
5452 * cp/tree.h (lang_init, lang_finish): Remove.
5453 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5454 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5456 (lang_init, lang_finish): Remove.
5457 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5458 (lang_hooks): Update.
5459 * java/lang.c (lang_init): Rename java_init.
5460 (lang_finish): Remove.
5461 (lang_hooks): Update.
5462 * objc/objc-act.c (lang_init): Rename objc_init.
5463 (lang_finish): Remove.
5464 (lang_hoooks): Update.
5466 20001-01-09 Graham Stott <grahams@redhat.com>
5468 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5469 after `ptr` is initialised.
5471 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5473 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5474 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5475 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5476 stack adjusts, instead of r3.
5478 2001-01-09 Michael Hayes <mhayes@redhat.com>
5480 * flow.c (flow_loop_scan): Break out of ...
5481 (flow_loops_find) ... here.
5482 * basic-block.h (flow_loop_scan): New.
5483 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5484 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5486 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5488 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5490 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5491 realloc()ing macro_buffer.
5493 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5494 if it's wider than long and the target's long is wider than the
5497 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5499 Remove support for using UWIN as a host machine.
5500 * configure.in: Issue an error message.
5501 * configure: Regenerated.
5502 * config.gcc: Remove xm_* UWIN configury.
5503 * config/i386/xm-uwin.h: Remove.
5505 2001-01-08 Nick Clifton <nickc@redhat.com>
5507 * config/v850/v850.c (ra_rtx): Delete.
5508 (v850_save_machine_status): Delete.
5509 (v850_restore_machine_status): Delete.
5510 (v850_init_machine_status): New function.
5511 (v850_mark_machine_status): New function.
5512 (v850_free_machine_status): New function.
5513 (v850_return_addr): Use ra_rtx field in machine structure.
5514 (v850_init_expanders): Use new functions.
5516 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5517 * config/v850/v850.c: Change arguments to v850_output+* functions
5518 to take a const char *, to avoid compile time warning.
5519 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5520 (USER_LABEL_PREFIX): Redefine.
5522 2000-01-08 Jim Wilson <wilson@redhat.com>
5524 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5525 1 to unsigned HOST_WIDE_INT before left shift.
5527 2001-01-08 Nick Clifton <nickc@redhat.com>
5529 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5530 the machine structure has been allocated.
5531 (arm_free_machine_status): New function: Free the machine
5532 specific function structure.
5534 2001-01-08 Richard Henderson <rth@redhat.com>
5536 * jump.c (simplejump_p): Revert last change.
5538 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5540 * cppinit.c (init): Rename init_library.
5541 (cpp_create_reader): Update.
5542 * gcc.c (cpp_options): If -o given, use it as the target of
5545 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5547 * arm.c (arm_arch5e): New variable.
5548 (all_cores): XScale is a 5TE device.
5549 (arm_override_options): Set arm_arch5e.
5550 (arm_init_builtins): __builtin_prefetch is in arch5e.
5551 * arm.h (arm_arch5e): Declare it.
5553 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5555 * arm.md (define_constants): Add defines for UNSPEC and
5556 UNSPEC_VOLATILE insns. Update all users.
5557 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5558 * arm.c (multi_register_push, note_invalid_constants)
5559 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5560 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5561 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5563 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5565 * jump.c (jump_optimize_1): Use reversed_comparison_code
5566 instead of can_reverse_comparison_p.
5567 (jump_back_p): Likewise.
5568 (invert_exp_1): Likewise.
5569 (thread_jumps): Likewise.
5570 * simplify-rtx.c (simplify_unary_operation): Likewise.
5571 (simplify_ternary_operation): Likewise.
5572 * cse.c (find_comparison_args): Convert to use
5573 can_reverse_comparison_p.
5574 (record_jump_equiv): Likewise.
5576 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5578 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5579 (EPILOGUE_USES): Define.
5580 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5581 automatically stack the LR if it isn't live.
5583 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5585 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5588 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5590 * ggc-page.c (max_alignment): New structure.
5591 (MAX_ALIGNMENT): New macro.
5592 (init_ggc): Use it to round up the sizes in the
5593 extra_order_size_table.
5595 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5597 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5600 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5602 * builtins.def (BUILT_IN_FPRINTF): New entry.
5604 * c-common.c (c_expand_builtin_fprintf): New function.
5605 (init_function_format_info): Handle __builtin_fprintf.
5606 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5607 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5609 * c-decl.c (duplicate_decls): Adjust comment.
5611 * extend.texi (fprintf): Document new builtin.
5613 2001-01-07 Richard Henderson <rth@redhat.com>
5615 * jump.c (simplejump_p): Recognize any single_set jump
5618 2001-01-07 Richard Henderson <rth@redhat.com>
5620 * configure.in (slibdir): Accept an --with-slibdir option.
5621 Use "test" not "[" in configure. Default to $(libdir).
5623 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5625 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5626 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5627 (SHLIB_LINK): Create links for the soname.
5628 * config/mips/t-iris6: Likewise.
5629 * config/sparc/t-slibgcc: Likewise.
5630 * config/sparc/t-slibgcc-sld: Likewise.
5632 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5634 * config/i386/i386.c (constant_call_address_operand): Accept
5635 (const (plus (symbol_ref) (const_int))).
5636 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5637 constant_call_address_operand.
5639 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5641 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5642 and LONG_LONG_TYPE_SIZE > 32.
5644 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5646 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5647 the previous change.
5649 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5651 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5653 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5654 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5655 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5658 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5660 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5662 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5664 * c-lang.c (c_post_options): Call cpp_post_options.
5665 * objc/objc-act.c (objc_post_options): Similarly.
5666 * cppmain.c (main): Similarly.
5667 * fix-header.c (read_scan_file): Similarly.
5668 * cppinit.c (cpp_start_read): Move option consistency checks
5669 to cpp_post_options. Don't call init_dependency_output.
5670 If needed, add default target and main file dependency.
5671 (OPT_MD, OPT_MMD): Remove.
5673 (cpp_handle_option): Update for OPT_* changes.
5674 (cpp_post_options): New.
5675 (init_dependency_output): Command line -MF overrides environment
5676 variables. Don't set default target etc. Suppress output
5677 if dependencies are going to stdout.
5678 (print_help): Update.
5679 * cpplib.h (cpp_post_options): New.
5680 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5682 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5684 * jump.c (comparison_dominates_p): Support unordered compares.
5686 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5688 * simplify-rtx.c (simplify_relational_operation): Always simplify
5689 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5692 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5694 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5695 (nonzero_bits): Likewise.
5696 (simplify_comparison): Likewise.
5697 (num_sign_bit_copies): Likewise; return more sane value depending
5698 on STORE_FLAG_VALUE.
5699 (known_cond): Do not assume EQ to be always true for equivalent
5702 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5704 * cse.c (fold_rtx): Handle unordered comparisons.
5706 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5708 * rtlanal.c (set_of_1): New static function.
5709 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5710 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5711 reg_set_last_last_regno): Remove.
5712 (set_of): New global function.
5713 (set_of_data): New structure.
5714 (reg_set_p, reg_set_last): Revamp for set_of.
5715 * rtl.h (set_of): New.
5717 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5719 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5720 * extend.texi: Document _Exit builtin.
5722 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5724 * (initialize, initialize_builtins,
5725 initialize_dependency_output, initialize_standard_includes):
5726 Rename s/initialize/init. Update.
5727 (init_dependency_output): Move to after
5728 cpp_handle_options, the correct location temporally at least.
5729 (opt_comp): Move next to init (), its caller. Fix prototype.
5730 (init): Make "initialized" local scope.
5731 (cpp_create_reader): Always call init ().
5732 (cpp_start_read): Update.
5733 (output_deps): New function, broken out of cpp_finish.
5734 (cpp_finish): Break out output_deps.
5736 2001-01-07 Richard Henderson <rth@redhat.com>
5738 * collect2.c (COFF specific stuff): Revert 12-06 patch
5739 to prototype system functions.
5741 2001-01-07 Michael Hayes <mhayes@redhat.com>
5743 * hard-reg-set.h: Add multiple include guard.
5744 * basic-block.h (struct loop): Add `sink' field.
5745 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5746 (emit_iv_add_mult): Delete.
5747 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5748 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5749 (unroll_loop): Remove end_insert_before argument.
5750 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5751 (maybe_eliminate_biv_1): Likewise.
5752 (emit_iv_add_mult): Delete.
5753 (gen_add_mult, loop_regs_update): New.
5754 (loop_insn_emit_after, loop_insn_emit_before): New.
5755 (loop_insn_sink, loop_insn_sink_or_swim): New.
5756 (emit_iv_add_mult): Delete.
5757 (scan_loop): Set loop->sink.
5758 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5759 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5760 (maybe_eliminate_biv_1): Likewise.
5761 (maybe_eliminate_biv_1): Add basic block argument.
5762 * unroll.c (unroll_loop): Remove end_insert_before argument.
5763 (find_splittable_regs): Likewise.
5764 (find_splittable_regs): Use loop_insn_sink and its ilk.
5765 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5767 2001-01-07 Michael Hayes <mhayes@redhat.com>
5769 * loop.h (loop_insn_hoist): New prototype.
5770 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5771 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5772 (check_dbra_loop, load_mems): Likewise.
5773 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5774 (find_splittable_givs): Likewise.
5776 2001-01-07 Michael Hayes <mhayes@redhat.com>
5778 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5780 2001-01-07 Richard Henderson <rth@redhat.com>
5782 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5784 2001-01-07 Richard Henderson <rth@redhat.com>
5786 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5787 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5788 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5789 variant that handles a shared libgcc.
5790 (process_command): Always validate -{static,shared}-libgcc.
5791 (do_spec_1): New 'M' case.
5792 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5794 2001-01-07 Richard Henderson <rth@redhat.com>
5796 * Makefile.in (slibdir): New variable.
5797 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5798 (installdirs): Create slibdir.
5799 (install-libgcc, install-multilib): Defer to libgcc.mk.
5800 * configure.in (slibdir): Substitute.
5801 * mklibgcc.in (install): New target.
5803 * config/t-linux (SHLIB_LINK): Create links for the soname.
5804 (SHLIB_INSTALL): New.
5805 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5806 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5807 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5808 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5809 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5811 2001-01-07 Richard Henderson <rth@redhat.com>
5813 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5814 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5815 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5817 2001-01-07 Michael Hayes <mhayes@redhat.com>
5819 * loop.c (count_loop_regs_set): Delete.
5820 (load_mems_and_recount_loop_regs_set): Delete.
5821 (loop_regs_scan): Merge common code from count_loop_regs_set,
5822 scan_loop, and load_mems_and_recount_loop_regs_set.
5823 (scan_loop): Call load_mems directly and loop_regs_scan
5824 again if new registers created.
5826 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5828 * toplev.c (main): Call the front-end specific post_options
5829 hook if one is given.
5830 * toplev.h (struct_lang_hooks, lang_hooks): New.
5831 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5832 for the C front end.
5833 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5834 lang_hooks for the C++ front end.
5835 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5836 lang_hooks for the ObjC front end.
5837 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5838 * java/lang.c (lang_hooks): Hooks for the Java front end.
5840 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5842 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5843 for verbose DWARF[2] debugging.
5844 (cb_define, cb_undef): The new callbacks.
5845 * toplev.h (debug_define, debug_undef): Make const correct.
5846 * toplev.c (debug_define, debug_undef): Similarly. Do not
5847 perform the verbosity tests here anymore.
5849 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5851 * reload.c (subst_reloads): Take INSN argument. When
5852 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5853 * reload.h (subst_reloads): Adjust prototype.
5854 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5855 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5856 present in JUMP_INSNs and copy them to JUMP_LABEL.
5857 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5858 JUMP_INSNs and insns with REG_LABELs that are followed by
5859 JUMP_INSNs with the same REG_LABEL.
5860 * sched-rgn.c (is_cfg_nonregular): Likewise.
5861 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5863 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5865 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5867 2001-01-06 Richard Henderson <rth@redhat.com>
5869 * loop.c (scan_loop): Use xcalloc for the regs array.
5870 (load_mems_and_recount_loop_regs_set): Zero the new memory
5871 received from xrealloc.
5873 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5875 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5877 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5879 * integrate.c (copy_rtx_and_substitute): When copying
5880 an ignored return value, strip REG_FUNCTION_VALUE_P.
5882 2001-01-06 Michael Hayes <mhayes@redhat.com>
5884 * loop.c (debug_biv, debug_giv): New.
5885 (loop_biv_dump): Break out from ...
5886 (record_biv): ... here.
5887 (loop_giv_dump): Break out from ...
5888 (record_giv): ... here.
5889 (loop_bivs_check): Use print_simple_rtl.
5890 * unroll.c (loop_iterations): Use print_simple_rtl.
5892 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5894 * pa.md (return, return_internal): Modify patterns to prevent regrename
5895 mucking with the return pointer.
5897 2001-01-05 Richard Henderson <rth@redhat.com>
5899 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5901 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5903 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5904 version supplied by Matteo Frigo.
5906 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5908 * cpp.texi: Update for -MQ.
5909 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5910 (cpp_cleanup): Always free pfile->deps.
5911 (initialize_dependency_output): Don't create pfile->deps.
5912 (cpp_handle_option): Similarly.
5914 * gcc.c (cpp_options): Handle -MQ.
5915 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5916 * mkdeps.c (base_name): Remove.
5917 (deps_init): Don't allocate vector space until it's needed.
5918 (deps_free): Only free vectors if allocated.
5919 (deps_add_target, deps_add_dep): Update for initial allocation.
5920 (deps_add_default_target): Don't strip to the base_name.
5922 2001-01-05 DJ Delorie <dj@redhat.com>
5924 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5925 (INIT_EXPANDERS): Define.
5927 * config/v850/v850.c (struct machine_function): Define.
5928 (v850_save_machine_status): New function.
5929 (v850_restore_machine_status): New function.
5930 (v850_return_addr): New function.
5931 (v850_init_expanders): New function.
5933 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5934 and v850_init_expanders.
5936 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5938 * cpplib.h (struct cpp_reader): Add help_only field.
5939 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5940 (cpp_handle_option): Set pfile->help_only if we see -h,
5941 --help, -target-help, or --version. Print version string but
5942 do not set help_only if we see -v or -version. Make text
5943 printed by -v match that printed by (-)-version.
5945 * cppmain.c (main): Exit after option parsing if
5946 pfile->help_only is true.
5948 * toplev.c (independent_decode_option): Call print_version,
5949 then exit, if we see --version (but not -version).
5950 (print_version): Split lengthy message into two lines.
5952 2001-01-05 Nick Clifton <nickc@redhat.com>
5954 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5955 temporary string for initialisation before calling ggc_alloc_string.
5957 2001-01-06 Michael Hayes <mhayes@redhat.com>
5959 * rtl.h (print_simple_rtl): New.
5960 * print-rtl.c (print_simple_rtl): New.
5962 (print_rtx): Disable printing of flags and modes, etc.,
5963 if `flag_simple` nonzero.
5965 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5967 * function.c (fixup_var_refs): Use push_to_full_sequence where
5970 2001-01-05 Michael Meissner <meissner@redhat.com>
5972 * flags.h (flag_reorder_blocks): Add declaration.
5973 (flag_rename_block): Ditto.
5975 2001-01-05 DJ Delorie <dj@redhat.com>
5977 * function.c (reorder_blocks): Make sure the flags are all reset
5978 before using them to mark blocks, else a second invocation will
5979 corrupt the block chain.
5980 (reorder_blocks_0): New, resets the flags.
5982 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5984 * cse.c (find_comparison_args): Stop if the argument is known to
5987 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5989 * config/sh/sh.md (movdf): When splitting load into pair of
5990 registers, don't clobber the register used in the address too
5993 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5995 * varasm.c (mark_constant_pool): Improve initial comments.
5996 (mark_constants): Move marking of constants to mark_constant.
5997 (mark_constant): New function to recursively mark all constants
5998 referred to by a constant.
6000 2001-01-05 Catherine Moore <clm@redhat.com>
6002 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
6004 2001-01-05 Phil Edwards <pme@sources.redhat.com>
6006 * cp/lang-options.h: Bring comment in line with reality.
6007 * f/lang-options.h: Likewise.
6008 * java/lang-options.h: Likewise.
6009 * objc/lang-options.h: Likewise.
6010 * ch/lang-options.h: Likewise.
6011 * f/g77.texi: And update the manual.
6013 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
6014 Denis Chertykov <denisc@overta.ru>
6016 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
6017 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
6018 * config/avr/avr.md (all peepholes that request a scratch register):
6019 Call it, FAIL the peephole if not safe (in interrupt functions).
6021 2001-01-05 Mark Mitchell <mark@codesourcery.com>
6023 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
6025 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
6027 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
6029 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
6030 BUILT_IN_CREAL and BUILT_IN_CIMAG.
6031 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
6032 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
6033 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
6035 * extend.texi: Document these builtins.
6037 2001-01-05 Daniel Berlin <dberlin@redhat.com>
6039 * c-common.c (lang_get_alias_set): Say we know nothing of
6040 VECTOR_TYPE aliasing.
6042 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
6044 2001-01-05 Bruce Korb <bkorb@gnu.org>
6046 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
6047 their x* equivalent versions for atexit-less systems
6048 * fixinc/fixincl.c(main): do not return from main() on atexit-less
6049 systems (or any other system any more).
6051 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
6053 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
6054 output operands. Use arm_hard_register_operand for operand 4.
6055 (stmsi_postinc): Similarly.
6056 (ldmsi): Use arm_hard_register_operand for opernand 2.
6058 * arm.c (arm_hard_register_operand): New function.
6059 * arm-protos.h (arm_hard_register_operand): Prototype it.
6061 * arm.h (HARD_REGNO_RENAME_OK): Define.
6063 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
6065 * simplify-rtx.c (cfc_args): add "unordered" field.
6066 (check_fold_consts): Set unordered field.
6067 (simplify_relational_operation): Simplify the unordered
6070 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
6073 * emit-rtl.c (try_split): Fix code to mark labels.
6074 * jump.c (mark_jump_label): Make global.
6075 * rtl.h (mark_jump_label): Declare.
6077 * predict.c (estimate_probability): Handle unordred comparisons.
6079 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6081 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
6082 * cppinit.c (initialize_dependency_output): Update.
6083 (cpp_finish): Output dummy targets for -MP.
6085 (cpp_handle_option): Handle -MP. Don't quote -MT options.
6086 * cpplib.h (struct cpp_options): Add deps_phony_targets.
6087 * gcc.c (cpp_options): Update to handle -MP.
6088 * mkdeps.c (deps_add_target, deps_add_default_target): Update
6089 to quote only the default target.
6090 (deps_phony_targets): Insert a preceding newline. Rename from
6091 deps_dummy_targets for consistency.
6094 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6096 * calls.c (emit_library_call_value_1): Support
6097 INIT_CUMULATIVE_LIBCALL_ARGS.
6098 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
6100 2001-01-04 Richard Henderson <rth@redhat.com>
6102 * c-decl.c (finish_struct): Detect flexible array members
6103 used in an inappropriate context.
6104 * c-typeck.c (really_start_incremental_init): Special case
6105 constructor_max_index for zero length arrays.
6106 (pop_init_level): Allow initialization of flexible array
6107 members. Deprecate initialization of zero length arrays.
6108 Don't issue missing initializer warning for flexible array
6109 members or zero length arrays.
6110 (process_init_element): Don't dereference null DECL_SIZE.
6111 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6112 Don't abort for empty constructors. Use size_binop
6113 (output_constructor): Add commentary regarding zero length
6114 array futures. Abort if we try to initialize an array of
6115 unspecified length with a non-empty constructor in the middle
6118 * extend.texi (Zero Length): Update and clarify documentation
6119 on static initialization.
6121 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6123 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6124 with more than 32767 words of local storage.
6126 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6128 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6129 for 'abs', 'labs', and 'fabs'.
6130 (c4x_expand_builtin): Likewise.
6131 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
6133 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6135 * config/sh/sh.md (prget, prset): New insn types.
6136 (return delay slot): Dont' allow prset.
6137 (call, sfunc delay slot): Don't allow prget.
6138 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
6139 for prset and prget.
6141 2001-01-05 Michael Hayes <mhayes@redhat.com>
6143 * loop.h (struct loop_reg): New.
6144 (struct loop_regs): Change to use array of `struct loop_reg'.
6145 * loop.c: Replace assortment of varrays with single regs array.
6146 (count_one_set): Delete may_not_move array argument
6147 and use regs array instead. All caller's changed.
6148 (count_loop_regs_set): Delete may_not_move and single_usage
6149 arguments and use regs array instead. All caller's changed.
6150 (find_single_use_in_loop): Replace usage array argument with pointer
6151 to regs structure. All caller's changed.
6152 (loop_optimize): Delete `moved_once' array.
6154 2001-01-05 Michael Hayes <mhayes@redhat.com>
6156 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
6157 Use it instead of loop_info->has_call for scanning loop mems.
6158 (check_dbra_loop): Replace loop_info->has_call test with
6159 loop_info->has_nonconst_call.
6161 2000-01-04 Matthew Hiller <hiller@redhat.com>
6163 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
6166 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6168 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
6169 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
6171 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6173 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
6174 (flag_short_double, flag_short_wchar): Define.
6175 (c_common_nodes_and_builtins): Create many tree nodes shared
6176 between C and C++ here instead of in cp/decl.c and ...
6177 * c-decl.c (init_decl_processing): ... here.
6178 (SIZE_TYPE, WCHAR_TYPE): Don't define.
6179 (flag_short_double, flag_short_wchar): Don't define.
6180 (record_builtin_type): New function.
6181 (build_void_list_node): New function.
6182 * c-common.h (flag_short_double, flag_short_wchar,
6183 record_builtin_type, build_void_list_node): Declare.
6185 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6187 * integrate.c (expand_inline_function): Don't put a virtual
6188 register into the reg map.
6190 * function.c (fixup_var_refs_1): If force_operand didn't put
6191 the address into the target, move it there.
6193 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6195 Special-case tree_decl/tree_list allocations.
6196 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6197 (OBJECT_SIZE): New macro.
6198 (NUM_EXTRA_ORDER): Likewise.
6199 (extra_order_size_table): New variable.
6200 (NUM_ORDERS): New macro.
6201 (objects_per_page_table): New variable.
6202 (object_size_table): New variable.
6203 (G.pages): Use NUM_ORDERS to bound the array.
6204 (G.page_tails): Likewise.
6205 (DIV_ROUND_UP): Remove.
6206 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6207 (alloc_page): Use OBJECT_SIZE.
6208 (size_lookup): Don't make it const.
6209 (ggc_alloc): Use OBJECT_SIZE.
6210 (ggc_set_mark): Likewise.
6211 (ggc_get_size): Likewise.
6212 (init_ggc): Set up the object_size_table, objects_per_page_table,
6213 and adjust size_lookup.
6214 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6215 (ggc_pop_context): Use NUM_ORDERS.
6216 (clear_marks): Likewise.
6217 (sweep_pages): Likewise.
6218 (poison_pages): Likewise.
6219 (ggc_print_statistics): Use OBJECT_SIZE.
6221 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6223 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6224 Only call array_size_for_constructor if last field and array type
6225 with no upper bound.
6227 2001-01-04 Philip Blundell <philb@gnu.org>
6229 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6230 from bit 31 downwards, if this requires no more insns.
6231 (count_insns_for_constant): New helper function for above.
6233 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6235 * gencodes.c (output_predicate_decls): Remove empty initializer.
6237 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6239 * tree.c (copy_node): Remove documentation about obstacks.
6240 (buidl1): Check that nobody tries to build 2-argument nodes this
6243 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6245 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6248 * gencodes.c (output_predicate_decls): Fill empty initializer
6251 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6253 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6254 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6256 (do_include): Handle missing headers like cpp0.
6257 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6258 paths with first include pathname. Don't strcat to uninitialized
6261 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6263 * regrename.c (regrename_optimize): Don't rename from frame pointer
6264 if frame_pointer_needed.
6265 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6266 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6267 (ia64_reorg): Use it instead of scheduling if ! optimize.
6268 (errata_emit_nops): Properly call asm_noperands.
6269 (ia64_sched_reorder): Finish cycle if we see an asm.
6270 (ia64_variable_issue): Clear scheduling state after asms.
6272 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6274 * cpp.texi: Update for -MT.
6275 * cppinit.c (initialize_dependency_output): Add a default
6276 target if none has been given already.
6277 (no_tgt, OPT_MT): New.
6278 (cpp_handle_option): Handle -MT. Update -M etc.
6279 * cpplib.h (struct cpp_options): Remove deps_target.
6280 * gcc.c (cpp_options): Handle -MT.
6281 * mkdeps.c (struct deps): Move from mkdeps.h.
6282 (deps_calc_target): Rename deps_add_default_target. Add a
6283 default target if none has been specified already.
6284 * mkdeps.h (struct deps): Move to mkdeps.c.
6285 (deps_calc_target): Rename deps_add_default_target.
6287 2000-01-03 Richard Henderson <rth@redhat.com>
6289 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6291 * c-typeck.c (push_init_level): Move checks for flexible array
6292 members and zero length arrays ...
6293 (pop_init_level): ... here. Silently discard empty initializations.
6295 * varasm.c (output_constructor): Update for sizeof change to
6298 * extend.texi (Zero Length): Clarify semantics.
6300 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6302 * configure.in (tm.h): Include isns-codes.h last.
6303 * configure: Rebuilt.
6305 2001-01-03 Richard Henderson <rth@redhat.com>
6307 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6308 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6310 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6312 * tradcpp.c (main): Make sure finclude() is called with a valid
6313 indepth value while handling -include.
6315 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6317 * gencodes.c (output_predicate_decls): New function.
6319 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6320 even if it is not the first time machmode.h is #included.
6321 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6322 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6323 * gcc.texi (Copyright): Added 2001.
6325 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6327 * c-common.c (c_common_lang_init): New function. Warn if format
6328 warning options which only have effects when used with -Wformat
6329 are used without -Wformat.
6330 * c-common.h (c_common_lang_init): Declare.
6331 * c-lang.c (lang_init): Call c_common_lang_init.
6332 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6334 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6336 * configure.in: Check for the mktemp command.
6337 * configure: Regenerate.
6338 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6339 $TEMP. Create temporary files with mktemp, if available at
6340 configure time; otherwise use set -C. Remove temporary files
6343 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6345 * configure.in: Require at least texinfo 4.0. Check for whether
6346 Pod::Man is sufficiently recent to regenerate GCC manpages.
6347 * configure: Regenerate.
6348 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6350 (GENERATED_MANPAGES): Define.
6351 (generated-manpages): New target. Depend on cpp.1 as well as
6353 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6354 configure to generated-manpages or empty) rather than on the
6355 manpages directly. Remove execute permission from installed
6356 gcov.1 as well as cpp.1.
6357 * cpp.1, gcov.1: Regenerate.
6359 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6361 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6362 tree_low_cst. Allow using cmpstrsi in more cases.
6364 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6366 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6369 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6371 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6372 * Makefile.in (HOST_CFLAGS): Mention build-make.
6374 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6376 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6379 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6381 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6384 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6387 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6388 reg_base_value and reg_known_value arrays.
6389 (init_alias_analysis): Add more cases to detect known values.
6390 * sched-deps.c (deps_may_trap_p): New function.
6391 (sched_analyze_2): Use it.
6393 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6395 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6396 don't discard an ASHIFTRT if we're shifting in a wider mode.
6398 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6400 * toplev.c (rest_of_compilation): Don't print basic block information
6401 when CFG isn't up to date.
6403 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6405 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6406 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6407 (UNALIGNED_SHORT_ASM_OP): Define.
6408 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6410 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6412 * fold-const.c (fold_convert): Fix typo.
6414 2001-01-02 Richard Henderson <rth@redhat.com>
6416 * c-common.h (ASM_INPUT_P): New.
6417 * c-parse.in (asm): Set it when needed.
6418 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6419 existance of an operand.
6421 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6423 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6424 (dwarf2out_frame_debug_expr): Likewise.
6425 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6427 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6429 * i386.c (ix86_split_to_parts): Return number of part required;
6431 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6433 (ix86_split_long_move): Use number of part returned
6434 by ix86_split_to_parts
6435 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6437 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6438 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6439 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6440 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6441 (ALIGN_MODE_128): Add TFmode.
6442 (IS_STACK_MODE): Likewise.
6443 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6444 (HARD_REGNO_OK): Support TFmodes.
6445 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6446 * i386.md (scheduler definitions): Use memory operand to determine
6447 fst/fld instructions; use mode attribute to determine real mode of
6449 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6450 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6452 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6454 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6456 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6458 * expr.c (store_constructor_field): Update ALIGN before calling
6461 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6463 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6466 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6468 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6471 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6473 * c-decl.c (start_function): Don't warn on third parameter to main.
6475 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6477 * tsystem.h: Define HAVE_DECL_GETOPT.
6479 2001-01-02 Philip Blundell <pb@futuretv.com>
6481 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6484 2001-01-02 Richard Henderson <rth@redhat.com>
6486 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6488 2001-01-02 Andreas Jaeger <aj@suse.de>
6490 * c-decl.c (c_decode_option): Remove support of
6493 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6494 (W_options): Add -Wmissing-noreturn here.
6496 * flow.c: Define lang_missing_noreturn_ok_p.
6497 (check_function_return_warnings): Use it.
6499 * c-common.h: Declare lang_missing_noreturn_ok_p.
6501 * c-lang.c (c_missing_noreturn_ok_p): New function.
6502 (lang_init): Set lang_missing_noreturn_ok_p.
6504 * invoke.texi (Warning Options): Document this.
6506 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6508 * extend.texi (C++ Extensions): New node for C++ attributes;
6509 describe init_priority and com_interface.
6510 * invoke.texi: Remove -finit-priority as it now has zero effect.
6511 * install.texi: Fix xref syntax.
6512 * md.texi: Likewise.
6514 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6516 * config.gcc (sparc64-wrs-vxworks*): New case.
6517 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6519 * config/sparc/sparc.c (sparc_override_options): Do support different
6520 pointer and architecture size.
6521 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6522 (POINTERS_EXTEND_UNSIGNED): Define.
6523 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6524 (FUNCTION_MODE): Define to be Pmode.
6525 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6527 * function.c (expand_function_end): Properly handle DECL_RESULT
6528 and copy when ptr_mode != Pmode.
6529 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6531 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6533 * c-common.c (c_common_nodes_and_builtins): Set prototype
6534 parameters for __builtin_fputs, __builtin_fputc and
6535 __builtin_fwrite. Don't declare plain fputc as a builtin.
6537 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6539 * loop.c (add_label_notes): Increment the label usage count when
6540 a note is added to an insn which refers to a CODE_LABEL.
6541 * gcse.c (add_label_notes): Likewise.
6543 2001-01-01 Andreas Jaeger <aj@suse.de>
6545 * loop.c (scan_loop): Use xmalloc to allocate movables.
6547 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6549 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6550 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6551 * reload1.c (REGISTER_MOVE_COST): Likewise.
6552 * regclass.c (REGISTER_MOVE_COST): Likewise.
6553 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6554 dimension. Adjust all users.
6555 (init_reg_sets_1): Iterate on all modes.
6556 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6557 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6558 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6559 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6560 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6561 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6562 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6563 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6564 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6565 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6566 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6567 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6568 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6569 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6570 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6571 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6572 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6573 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6574 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6575 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6576 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6577 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6578 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6579 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6580 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6581 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6582 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6584 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6586 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6587 arg VARIES_P. Call it with extra arg.
6588 (true_dependence): Likewise.
6589 * rtl.h (rtx_addr_can_trap_p): Declare.
6590 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6592 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6593 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6594 pic offset table register if it's zero. All callers changed.
6595 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6597 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6599 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6600 STRING_POOL_ADDRESS_P.
6602 * config/sparc/sparc.c (input_operand): Properly test for short op.
6604 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6605 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6606 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6607 * config/sparc/elf.h: No longer include sol2.h.
6608 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6609 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6611 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6613 2001-01-01 Michael Hayes <mhayes@redhat.com>
6615 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6616 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6617 (record_initial): Likewise.
6618 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6619 (remap_split_bivs): Likewise.
6621 2001-01-01 Michael Hayes <mhayes@redhat.com>
6623 * loop.c (loop_ivs_free): New function.
6624 (strength_reduce): Break out from...
6626 2001-01-01 Michael Hayes <mhayes@redhat.com>
6628 * loop.h (struct iv): New.
6629 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6630 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6631 'reg_biv_class' fields with 'regs' and 'n_regs'.
6632 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6633 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6634 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6636 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6638 * resource.c (mark_referenced_resources): Abort() before
6639 attempting to mark a pseudo register.
6640 (mark_set_resources): Likewise.
6642 2001-01-01 Michael Hayes <mhayes@redhat.com>
6644 * loop.h (REG_IV_CLASS): New accessor macro.
6645 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6646 * unroll.c (REG_IV_CLASS): Likewise.
6648 See ChangeLog.4 for earlier changes.