| blob | f3965f6f38eef476b2003422d7bf10fba48b4e92 |
1 2001-05-21 Mark Mitchell <mark@codesourcery.com>
3 * tree.h (type_num_arguments): Declare it.
4 * tree.c (type_num_arguments): New function.
6 2001-05-21 Richard Henderson <rth@redhat.com>
8 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
9 conditional ifdef.
11 2001-05-21 Mark Mitchell <mark@codesourcery.com>
13 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
14 non-register variables.
15 * extend.texi: Document that asm-specifications do not make sense
16 for non-static local variables.
18 2001-05-17 Andrew Haley <aph@redhat.com>
20 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
22 2001-05-20 Mark Mitchell <mark@codesourcery.com>
23 Jim Wilson <wilson@redhat.com>
25 * libgcc2.h (TItype): Do not assume that the host has 64-bit ntegers.
26 (W_TYPE_SIZE): Likewise.
28 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
30 * extend.texi: Clarify documentation of extensions included in ISO
31 C99. Prefer C99 terminology and syntax to old GNU terminology and
32 syntax. Add more index entries. Document mixed declarations and
33 code as an extension in C89 mode. Warn about future changes to
34 semantics of inline functions. Fixes PR other/930.
36 2001-05-20 Richard Henderson <rth@redhat.com>
38 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
39 to be output before a branch.
41 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
42 * sched-deps.c (sched_analyze_insn): Remove unused vars.
44 2001-04-05 Bernd Schmidt <bernds@redhat.com>
45 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
46 change.
48 2001-04-04 Bernd Schmidt <bernds@redhat.com>
49 * sched-deps.c (sched_analyze_insn): Partially revert March 27
50 change.
52 2001-05-20 Richard Henderson <rth@redhat.com>
54 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
56 2001-05-20 Richard Henderson <rth@redhat.com>
58 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
59 (ASM_DOUBLE): Remove.
60 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
61 * config/i386/sun386.h: Likewise.
63 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
64 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
66 * config/i386/cygwin.h (INT_ASM_OP): Remove.
67 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
68 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
69 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
71 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
72 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
73 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
74 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
75 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
76 * config/i386/win-nt.h, config/i386/win32.h: Likewise.
78 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
80 * invoke.texi: Add more options to summary list.
82 2001-05-19 Zack Weinberg <zackw@stanford.edu>
84 * extend.texi: Document #pragma GCC java_exceptions.
86 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
88 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
89 used. Fixes PR c/2291.
90 * gcc.1: Regenerate.
92 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
94 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
95 the -fpic and -fPIC options, clear flag_pic.
97 2001-05-19 Brad Lucier <lucier@math.purdue.edu>, Alexandre Oliva <aoliva@redhat.com>
99 * Makefile.in (alloca.o): Depend on $(GCONFIG_H).
100 ($(HOST_PREFIX_1)alloca.o): Depend on $(HCONFIG_H). Arrange for
101 hconfig.h to be included.
103 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
105 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
106 as ncessary.
107 (expand_eh_return): Convert between word_mode and Pmode.
108 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
109 are the same size.
110 (execute_stack_op): Likewise.
111 (execute_cfa_program): Likewise.
112 (uw_frame_state_for): Likewise.
113 (uw_update_context_1): Likewise.
114 * unwind.inc (_Unwind_Reason_Code): Likewise.
115 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
116 (EH_RETURN_STACKADJ_RTX): Likewise.
117 * config/mips/mips.c (compute_frame_size): Make space for saving
118 EH return registers.
119 (mips_expand_epilogue): Handle EH stack adjustments.
120 * config/mips/mips.md (eh_return): New pattern.
121 (eh_set_lr_si): Likewise.
122 (eh_set_lr_di): Likewise.
123 Add splitter to perform EH return after reload.
125 2001-05-19 Mark Mitchell <mark@codesourcery.com>
127 * jump.c (mark_jump_label): Tidy previous change.
129 2001-05-17 Brendan Conoboy <blc@cygnus.com>
130 Bruce Korb <bkorb@gnu.org>
132 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
133 found in fixinc directory. Facilitates binary distributions.
135 2001-05-19 Bruce Korb <bkorb@gnu.org>
137 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
138 * fixinc/genfixes: emit a warning if AutoGen is out of date
139 * fixinc/fixincl.x: regen
140 * fixinc/Makefile.in: open stdin for those building with a closed one.
142 2001-05-19 Mark Mitchell <mark@codesourcery.com>
144 * jump.c (mark_jump_label): Tidy previous change.
146 * jump.c (jump_optimize_1): Tidy.
147 (mark_jump_label): When changing the label in a LABEL_REF, change
148 update any REG_EQUAL notes as well.
150 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
151 macro.
152 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
153 Document it.
154 * toplev.c (main): If the target does not allow profiling without
155 a frame pointer, issue an error message.
156 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
157 Define it to false.
159 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
161 * regrename.c (regrename_optimize): frame pointer register can
162 use a few hardregs.
164 2001-05-18 John David Anglin <dave@hiauly1.hia.nrc.ca>
166 * toplev.c (note_outlining_of_inline_function): Add ATTRIBUTE_UNUSED
167 to argument declaration.
169 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
171 * README.DWARF: Move into dwarfout.c.
173 2001-05-18 Stan Shebs <shebs@apple.com>
175 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
176 * configure: Regenerate.
178 2001-05-18 Geoff Keating <geoffk@redhat.com>
180 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
181 the link register if we're not going to use it.
183 * config/rs6000/rs6000.c (output_function_profiler): Fix a warning.
185 2001-05-18 Per Bothner <per@bothner.com>
187 Changes needed for java/jvspec.c
188 * gcc.h (n_infiles, outfiles): Add declarations.
189 * gcc.c (n_infiles, outfiles): Mske no longer static.
191 Fri May 18 10:12:19 2001 Jeffrey A Law (law@cygnus.com)
193 * config/pa/som.h (EXCEPTION_SECTION): Define.
195 2001-05-18 Bernd Schmidt <bernds@redhat.com>
197 Revert
198 2001-02-09 Nick Clifton <nickc@redhat.com>
199 * config/arm/arm.md: Change output constraint on post inc
200 load/store multiple patterns to be a read/write constraint.
202 2001-05-18 Mark Mitchell <mark@codesourcery.com>
204 * function.c (expand_function_start): Avoid creating BLKmode
205 pseudos.
207 2001-05-17 Mark Mitchell <mark@codesourcery.com>
209 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
210 DIE, even if it has no children.
211 (dwarf2out_finish): Always output the line-number table, even if
212 it has no content.
214 2000-05-18 David Edelsohn <edelsohn@gnu.org>
216 * rs6000.md (movsfcc,movdfcc): Remove NE case.
218 2000-05-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
220 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
221 offsets if not REG_OK_STRICT.
223 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
224 (INT_REG_OK_FOR_INDEX_P): Likewise.
225 (INT_REG_OK_FOR_BASE_P): Likewise.
226 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
227 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
228 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
229 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
230 REG_OK_FOR_BASE_P. Take an additional parameter.
231 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
232 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
233 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
234 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
235 rs6000_legitimate_address() and use it.
236 * config/rs6000/rs6000.c: Update all callers.
237 (rs6000_legitimate_address): New function.
239 2001-05-17 Mark Kettenis <kettenis@wins.uva.nl>
241 * dwarf2out.c (modified_type_die): Equate qualified type to die.
243 2001-05-17 Mark Mitchell <mark@codesourcery.com>
245 * doc/install.texi: Update Solaris information.
247 * except.h (protect_cleanup_actions): Remove it.
248 (lang_protect_cleanup_actions): Declare it.
249 * except.c (protect_cleanup_actions): Remove it.
250 (lang_protect_cleanup_actions): New variable.
251 (init_eh): Don't make protect_cleanup_actions a GC root.
252 (expand_eh_region_and_cleanup): Call
253 lang_protect_cleanup_actions.
254 (output_function_exception_table): Remove unused `align'
255 variable.
256 * varasm.c (assemble_external): Abort if we have not yet
257 opened the assembly output file.
259 Thu May 17 11:53:49 2001 Jeffrey A Law (law@cygnus.com)
261 * pa.c (hppa_init_pic_save): No longer update last_parm_insn.
263 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
264 for eh_personality_libfunc.
266 2001-05-17 Bernd Schmidt <bernds@redhat.com>
268 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
269 (reload_as_needed): Call update_eliminable_offsets a bit later.
271 * expr.c (protect_from_queue): Protect against subsequent calls to
272 emit_queue.
273 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
274 too clever.
276 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
278 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
279 COMPLEX_TYPE.
281 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
283 * gccbug.in (CATEGORIES): Add "bootstrap".
285 2001-05-17 Bernd Schmidt <bernds@redhat.com>
287 * stmt.c (expand_asm_operands): For inout operands, make sure
288 the substitution of '=' for '+' makes it into the rtl.
290 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
292 * gcc.texi (gccbug): Refer to the web pages for detailed information
293 on GNATS.
295 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
296 Bruce Korb <bkorb@gnu.org>
298 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
299 initializer
301 2001-05-16 Zack Weinberg <zackw@stanford.edu>
303 * assert.h: Removed.
304 * libgcc-std.ver, sys-protos.h: Remove __eprintf.
305 * libgcc2.c: Document that __eprintf exists for backward
306 compatibility only.
307 * configure.in: Correct commentary now assert.h does not exist.
308 * configure: Regenerate.
310 * Makefile.in: Delete INSTALL_ASSERT_H, assertdir, and all
311 references to either. Delete install-assert-h target. Do not
312 create $(assertdir) or $(gcc_tooldir) in mkinstalldirs target.
313 Move _eprintf from LIB2FUNCS to LIB2FUNCS_ST; pass
314 LIB2FUNCS_ST to mklibgcc.
315 * cross-make: Don't set assertdir.
316 * mklibgcc.in: Add support for LIB2FUNCS_ST.
318 * config/t-freebsd, config/t-linux, config/t-linux-aout,
319 config/t-netbsd, config/t-openbsd, config/t-rtems, config/x-linux,
320 config/alpha/t-interix, config/i386/t-beos, config/i386/t-interix,
321 config/mcore/t-mcore, config/mcore/t-mcore-pe:
322 No need to set INSTALL_ASSERT_H.
324 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
325 fixinc/fixinc.svr4, fixinc/fixinc.winnnt, fixinc/fixinc.wrap,
326 fixinc/fixincl.sh: Don't install assert.h.
328 2001-05-16 Zack Weinberg <zackw@stanford.edu>
330 * i386.md: Add two peepholes to clean up code generated by
331 cmpstr* expanders.
333 2001-05-16 Richard Henderson <rth@redhat.com>
335 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
336 variants of non-absolute encodings.
338 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
340 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
341 __register_frame_info_table_bases): Export.
343 Wed May 16 13:38:21 2001 Jeffrey A Law (law@cygnus.com)
345 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
346 GPRs.
348 2001-05-16 Richard Henderson <rth@redhat.com>
350 * except.c (eh_data_format_name): Move to ...
351 * dwarf2asm.c: ... here. Use designated initializers if available.
352 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
353 * dwarf2asm.h: Update declarations.
354 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
355 ASM_PREFERRED_EH_DATA_FORMAT.
356 (output_call_frame_info): Likewise. Use 'L' augmentation for
357 the LSDA encoding.
359 * unwind-dw2-fde.h (struct fde_vector): New.
360 (struct old_object): Rename from struct object.
361 (struct object): New.
362 (__register_frame_info_bases): Declare.
363 (__register_frame_info_table_bases): Declare.
364 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
365 * unwind-dw2-fde.c (objects): Remove.
366 (unseen_objects, seen_objects): New.
367 (__register_frame_info_bases): New.
368 (__register_frame_info): Use it.
369 (__register_frame_info_table_bases): New.
370 (__register_frame_info_table): Use it.
371 (__deregister_frame_info): Rewrite for changed object struct.
372 (base_from_object, get_cie_encoding, get_fde_encoding): New.
373 (fde_unencoded_compare): Rename from fde_compare; uninline.
374 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
375 (start_fde_sort): Adjust for new definition of fde_vector.
376 (fde_insert): Likewise.
377 (end_fde_sort): Likewise. Select comparison function based
378 on properties of the object.
379 (fde_split): Take object and fde_compare_t arguments.
380 (frame_heapsort, fde_merge): Likewise.
381 (classify_object_over_fdes): Rename from count_fdes. Handle
382 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
383 for the object.
384 (add_fdes): Handle encoded pointers.
385 (init_object): Rename from frame_init. Update for new struct object.
386 (linear_search_fdes): Rename from search_fdes. Handle encoded
387 pointers.
388 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
389 (binary_search_single_encoding_fdes): New.
390 (binary_search_mixed_encoding_fdes): New.
391 (search_object): New.
392 (_Unwind_Find_FDE): Update for new struct object. Fill in
393 the dwarf_eh_bases.
394 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
395 iterating over EH data.
396 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
397 fde_encoding, lsda_encoding.
398 (read_uleb128, read_sleb128): Remove.
399 (read_encoded_pointer): Remove. All callers use read_encoded_value.
400 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
401 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
402 pointers.
403 * unwind-pe.h: Add "struct" to _Unwind_Context references.
405 2001-05-16 Andreas Jaeger <aj@suse.de>
407 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
409 * toplev.c: Include dwarf2asm.h for prototype of
410 dw2_output_indirect_constants.
412 2001-05-16 Richard Henderson <rth@redhat.com>
414 2001-03-08 Richard Henderson <rth@redhat.com>
415 * configure.in (HAVE_AS_LEB128): New assembler check.
416 * configure, config.in: Rebuilt.
418 2001-05-16 David Edelsohn <edelsohn@gnu.org>
420 * doc/install.texi: Update AIX information.
421 * README.RS6000: Remove obsolete file.
423 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
425 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
427 2001-05-16 Jakub Jelinek <jakub@redhat.com>
428 Nathan Sidwell <nathan@codesourcery.com>
430 * gcc.c (give_switch): Don't write before start of string.
431 Always append suffix.
433 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
435 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
436 after stage3.
438 2001-05-16 Dean Wakerley <dean@wakerley.com>
440 * doc/install.texi: New file. Converted to texinfo from the HTML
441 documentation in wwwdocs/htdocs/install.
443 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
445 * README.ALTOS: Remove obsolete file.
447 Tue May 15 22:12:41 2001 Jeffrey A Law (law@cygnus.com)
449 * flow.c (life_analysis): After life analysis is complete, do
450 an optional scan over insns looking for REG_LABEL notes that
451 reference a deleted label.
452 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
453 before peeking at LABEL_NUSES.
455 2001-05-15 Richard Henderson <rth@redhat.com>
457 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
458 (_Unwind_GetTextRelBase): New.
460 2001-05-15 Mark Mitchell <mark@codesourcery.com>
462 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
464 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
466 * gthr-posix.h: Make additional pthread-* functions weak.
468 2001-05-14 Richard Henderson <rth@redhat.com>
470 * configure.in (gcc_cv_as_eh_frame): New test.
471 * config.in, configure: Rebuild.
472 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
474 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
476 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
477 for RETURNS as well.
478 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
479 extended precision divide.
481 2001-05-14 Andrew Haley <aph@redhat.com>
483 * reload1.c (copy_eh_notes): New function.
484 (emit_input_reload_insns): Call it.
485 (emit_output_reload_insns): Call it.
487 * emit-rtl.c (try_split): Copy EH notes to sequence.
489 2001-05-14 Richard Henderson <rth@redhat.com>
491 2001-04-12 Richard Henderson <rth@redhat.com>
492 * Makefile.in (regmove.o): Depend on except.h.
493 * regmove.c: Include it.
495 Mon May 14 08:57:23 2001 Jeffrey A Law (law@cygnus.com)
497 * config/pa/som.h (NM_FLAGS): Remove.
498 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
499 (ASM_OUTPUT_SECTION_NAME): Remove.
500 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
502 2001-05-14 Mark Mitchell <mark@codesourcery.com>
504 * regrename.c (regrename_optimize): Do not rename registers to
505 leaf registers.
507 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
509 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
510 contain MEMs. Remove useless distinction about clobbering
511 registers.
513 2001-05-13 Richard Henderson <rth@redhat.com>
515 2001-03-28 Richard Henderson <rth@redhat.com>
516 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
517 not TARGET_TOC for special toc restore handling.
518 * config/rs6000/rs6000.md (eh_return): Likewise.
520 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
522 * tm.texi (THREAD_MODEL_SPEC): Document it.
523 * gcc.c (main): Use it.
524 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
525 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
527 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
529 * rtl.h (SYMBOL_REF_WEAK): New macro.
530 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
531 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
532 * rtl.texi (SYMBOL_REF_WEAK): Document it.
533 * gcc.texi: Remove wrong description.
535 2001-05-13 Mark Mitchell <mark@codesourcery.com>
537 * stringpool.c (xxx, yyy): Remove.
538 (get_identifier): Don't set them.
540 * Makefile.in (STAMP): New macro.
541 Replace all uses of `touch' with $(STAMP).
542 * fixinc/Makefile.in: Likewise.
544 2001-05-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
546 * i386.c (ix86_save_reg): Change `bool' parameter to `int'.
548 2001-05-12 Richard Henderson <rth@redhat.com>
550 EH merge from mainline, continued.
552 2001-05-12 Richard Henderson <rth@redhat.com>
553 * dwarf2asm.c (size_of_encoded_value): New function.
554 * dwarf2asm.h: Declare it.
555 * except.c (output_function_exception_table): Align the TType
556 array only as wide as the encoding.
558 2001-05-11 Richard Henderson <rth@redhat.com>
559 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
560 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
561 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
562 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
563 (dw2_output_indirect_constants): Prototype.
564 * dwarf2out.c (dwarf2out_begin_prologue): Generate
565 current_function_func_begin_label if we'll need it for EH. Exit
566 early for IA64_UNWIND_INFO.
567 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
568 (eh_data_format_name): Update for indirect references.
569 (output_function_exception_table): Care for IA64_UNWIND_INFO.
570 Handle ASM_PREFERRED_EH_DATA_FORMAT.
571 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
572 define HAVE_eh_return etc.
573 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
574 (final_end_function): Don't call output_function_exception_table.
575 * toplev.c (compile_file): Call dw2_output_indirect_constants.
576 (rest_of_compilation): Invoke output_function_exception_table
577 for ia64 before assemble_end_function.
578 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
579 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
581 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
582 * unwind.h: Declare them.
583 * libgcc-std.ver: Export them.
584 * unwind-pe.h: New file.
586 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
588 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
589 instead of "fde".
590 (find_fde_for_dso): Extract DT_PLTGOT.
591 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
592 the segment and gp as well.
593 * config/ia64/frame-ia64.c: Remove file.
594 * config/ia64/frame-ia64.h: Remove file.
595 * config/ia64/unwind-ia64.c: New file.
596 * config/ia64/unwind-ia64.h: New file.
597 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
598 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
599 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
600 (ASM_PREFERRED_EH_DATA_FORMAT): New.
601 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
602 (IA64_UNWIND_INFO): Re-enable.
603 (HANDLER_SECTION): Remove.
604 (EH_RETURN_DATA_REGNO): New.
605 * config/ia64/ia64.md (exception_receiver): Remove.
606 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
607 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
609 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
610 * except.c (sjlj_mark_call_sites): Do not search for assignments to
611 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
613 2001-05-05 Richard Henderson <rth@redhat.com>
614 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
615 to the parent of the fixup region.
617 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
618 * except.c (expand_eh_region_start): Don't start a new block.
619 (expand_eh_region_end): Don't end a block.
620 * stmt.c (expand_end_bindings): Don't end EH blocks.
621 (expand_decl_cleanup): Starting an EH region won't change the block.
622 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
623 (is_eh_region): Lose.
624 * tree.h: Adjust.
626 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
627 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
629 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
630 * except.c (get_exception_filter): word_mode, not Pmode.
632 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
633 * except.c (expand_eh_region_end_cleanup): Force pending stack
634 adjust before emitting label that branches around cleanup code.
636 2001-04-25 Richard Henderson <rth@redhat.com>
637 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
638 of registers to restore along non eh_return path.
640 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
641 * except.c (reachable_handlers): Step out one level from a RESX.
643 * except.c (struct eh_region): Rename 'last' to 'resume'.
644 (mark_eh_region, duplicate_eh_region_1): Adjust.
645 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
646 (build_post_landing_pads): Likewise.
647 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
648 (expand_eh_region_end_must_not_throw): Likewise.
649 (connect_post_landing_pads): Thread (only) regions with non-deleted
650 resume insns.
652 * except.c (expand_eh_region_end_cleanup): Save the EH return data
653 registers around the cleanup.
654 (get_exception_filter): New fn.
655 (finish_eh_generation): Use it.
657 2001-04-03 Richard Henderson <rth@redhat.com>
658 * rtl.h (LCT_THROW): New.
659 * calls.c (emit_library_call_value_1): Handle it.
660 * except.c (connect_post_landing_pads): Use it.
662 2001-03-28 Richard Henderson <rth@redhat.com>
663 * except.c: Rewrite entirely for IA-64 ABI exception handling.
664 * except.h: Likewise.
666 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
667 (LIB2ADDEHDEP): New.
668 (LIB2FUNCS_EH): Remove.
669 (LIB2ADD): Remove LIB2ADDEH.
670 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
671 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
672 (crt{begin,end}[S].o): Likewise.
673 (except.o): Update includes.
674 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
675 (libgcc2_c_dep): Use LIB2ADDEHDEP.
677 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
678 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
679 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
680 * builtins.c (expand_builtin): Implement it.
681 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
682 * c-common.c (c_common_nodes_and_builtins): Declare it.
683 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
684 * calls.c (libfunc_nothrow): Remove.
685 (emit_library_call_value_1): Don't call it.
686 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
687 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
688 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
689 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
690 (current_funcdef_number): Globalize.
691 (output_call_frame_info): Emit frame data if an lsda is needed.
692 Generate augmentation for personality routine. Don't play with
693 difference symbols.
694 (dwarf2out_begin_prologue): Record funcdef_number.
695 * dwarf2out.h (current_funcdef_number): Declare.
696 * expr.c (expand_expr): Update for except.h name changes.
697 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
698 * expr.h (LTI_throw, LTI_rethrow): Remove.
699 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
700 (LTI_eh_rtime_match): Remove.
701 (LTI_unwind_resume, LTI_eh_personality): Add.
702 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
703 * final.c (final): Don't call check_exception_handler_labels,
704 init_insn_eh_region, or free_insn_eh_region.
705 (final_scan_insn): Always emit debug labels for
706 NOTE_INSN_EH_REGION notes.
707 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
708 (record_active_eh_regions): Remove.
709 (count_basic_blocks): Check all instructions for REG_EH_REGION.
710 Use can_throw_internal.
711 (find_basic_blocks_1): Likewise.
712 (move_stray_eh_region_notes): Remove.
713 (find_label_refs): No eh_return_stub_label.
714 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
715 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
716 changes.
717 (delete_unreachable_blocks): Don't track deleted handlers.
718 (flow_delete_block): Use maybe_remove_eh_handler.
719 (delete_eh_regions): Remove.
720 (merge_blocks): Don't check for eh region match.
721 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
722 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
723 (init_propagate_block_info): Disable dead frame store optimization
724 when current_function_calls_eh_return.
725 (dump_bb): Don't print eh_beg, eh_end.
726 * function.c (fixup_var_refs): No catch_clauses.
727 (expand_function_end): Likewise. Call expand_eh_return before
728 the return register use. Call sjlj_emit_function_exit_after.
729 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
730 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
731 * ifcvt.c (dead_or_predicable): Remove eh region check.
732 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
733 Don't check for EH vs parameters.
734 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
735 (expand_inline_function): Call duplicate_eh_regions.
736 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
737 (copy_insn_notes): Remap REG_EH_REGION notes.
738 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
739 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
740 check_exception_handler_labels, nor exception_optimize.
741 (find_cross_jump): No EH region check.
742 * optabs.c (init_optabs): Update for changed eh libfuncs.
743 * rtl.def (RESX): New.
744 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
745 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
746 checks. Update for except.h name changes.
747 (expand_cleanups): Likewise.
748 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
749 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
750 (compile_file): Call init_eh before init_optabs. Don't
751 output_exception_table here.
752 (rest_of_compilation): Call convert_from_eh_region_ranges,
753 convert_to_eh_region_ranges, output_function_exception_table.
754 Don't emit_eh_context.
755 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
756 (EXC_PTR_EXPR): New.
758 * md.texi (eh_epilogue): Remove.
759 (eh_return): Document.
760 * tm.texi (EH_RETURN_DATA_REGNO): Document.
761 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
763 * eh-common.h: Remove file.
764 * frame-dwarf2.c, frame.c, frame.h: Remove files.
765 * libgcc2.c (L_eh): Remove.
767 * unwind-dw2-fde.c: New file, largely copied from frame.c.
768 * unwind-dw2-fde.h: New file.
769 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
770 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
771 * libgcc-std.ver: Update for eh symbols.
773 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
774 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
775 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
776 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
777 (EH_RETURN_DATA_REGNO): New.
778 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
779 * config/alpha/alpha.md (eh_epilogue): Remove.
780 (exception_receiver): Use $26 for ldgp input.
781 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
783 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
784 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
785 True for pic register if current_function_calls_eh_return.
786 (ix86_expand_epilogue): Change "emit_return" argument into "style".
787 Handle eh_return requirements.
788 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
789 (EH_RETURN_STACKADJ_RTX): New.
790 * config/i386/i386.md (exception_receiver): Remove.
791 (eh_return, eh_return_1): New.
792 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
794 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
795 for eh_return data registers.
796 (rs6000_emit_prologue): Save eh_return data registers.
797 (rs6000_emit_epilogue): Force inline restores if eh_return.
798 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
799 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
800 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
801 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
802 the target uses one.
803 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
804 (return_eh_si, return_eh_di): Remove.
805 (eh_return): New, from corpse of eh_epilogue.
806 (eh_set_lr_si, eh_set_lr_di): New.
808 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
809 current_function_calls_eh_return.
810 (output_function_epilogue): Handle eh_return.
811 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
812 (EH_RETURN_DATA_REGNO): New.
813 (EH_RETURN_STACKADJ_RTX): New.
814 (EH_RETURN_HANDLER_RTX): New.
815 * config/sparc/sparc.md (call/short branch peepholes): Check
816 can_throw_internal instead of in_same_eh_region.
818 2001-03-17 Richard Henderson <rth@redhat.com>
819 * dwarf2out.c (queue_reg_save): New.
820 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
821 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
822 dwarf2out_reg_save.
823 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
824 (cfa, cfa_store, cfa_temp): Make static.
825 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
827 2001-03-16 Richard Henderson <rth@redhat.com>
828 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
829 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
830 (dw2_asm_output_delta_uleb128): Likewise.
831 (dw2_asm_output_delta_sleb128): Similarly.
832 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
834 2001-03-15 Richard Henderson <rth@redhat.com>
835 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
836 if provided by the target.
837 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
838 (dw2_asm_output_addr): New.
839 * dwarf2asm.h (dw2_asm_output_addr): Declare.
840 * dwarf2out.c (output_cfi): Use it for program addresses.
841 (output_call_frame_info, output_die): Likewise.
842 (output_aranges, output_line_info): Likewise.
844 2001-03-06 Krister Walfridsson <cato@df.lth.se>
845 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
847 2001-03-02 Richard Henderson <rth@redhat.com>
848 * Makefile.in (OBJS): Add dwarf2asm.o.
849 * dwarf2asm.c, dwarf2asm.h: New files.
850 * dwarf2out.c (*): Use them.
851 (size_of_uleb128, size_of_sleb128): Remove.
852 (output_uleb128, output_sleb128): Remove.
853 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
854 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
855 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
856 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
857 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
858 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
859 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
860 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
861 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
862 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
863 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
864 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
865 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
866 (dwarf2out_frame_debug): Remove unused variables.
867 (output_loc_operands): Don't abort on 8 byte constants if
868 host integers are wide enough.
869 (output_symbolic_ref): Remove.
870 (size_of_die): Don't assume 4 byte host integers.
871 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
872 and end labels.
873 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
874 something stupid with HOST_WIDE_INT to long truncation.
875 [CONST_DOUBLE]: Likewise.
877 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
878 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
879 * config/arm/unknown-elf.h: Likewise.
880 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
881 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
882 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
883 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
884 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
885 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
886 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
887 (ASM_OUTPUT_DWARF_OFFSET): Remove.
888 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
889 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
890 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
891 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
893 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
894 * i386.c (ix86_frame): New structure.
895 (ix86_compute_frame_size): Kill.
896 (ix86_compute_frame_layout): New.
897 (ix86_save_reg): New.
898 (ix86_can_use_return_insn_p): Use frame layout stuff.
899 (ix86_expand_prologue): Likewise.
900 (ix86_expand_epilogue): Likewise.
901 (ix86_initial_elimination_offset): Likewise.
902 (ix86_nsaved_regs): Use ix86_save_reg.
903 (ix86_emit_save_regs): Likewise.
905 2001-05-12 Richard Henderson <rth@redhat.com>
907 EH merge from mainline, parts 5 - 16.
908 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
909 reduce false positives.
910 (regmove_optimize): Disable if flag_non_call_exceptions.
912 * stmt.c (expand_return): Remove always true predicate.
913 (expand_decl_cleanup_no_eh): Remove dead code.
915 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
916 barrier code. Add a scheduling barrier if a non-call insn
917 can throw internally.
919 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
920 Auto-inc addresses trap only if their base register does.
922 * except.c (can_throw_internal): Rename from can_throw.
923 * except.h, resource.c: Update references.
925 * integrate.c (copy_insn_list): Use returnjump_p.
926 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
928 * integrate.h (struct inline_remap): Add local_return_label.
929 * integrate.c (expand_inline_function): Initialize it and emit
930 it after copy_insn_notes.
931 (copy_insn_list): Don't store local_return_label here.
932 (copy_insn_notes): New function split out from copy_insn_list.
934 * function.h (struct function): Move all boolean valued fields
935 to single bit fields at the end of the struct.
937 * flow.c (cleanup_cfg): Take no argument.
938 * output.h, sibcall.c, toplev.c: Update all calls.
940 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
941 (calculate_global_regs_live): Kill call-clobbered registers
942 across exception edges.
943 * reg-stack.c (convert_regs_1): Kill the entire target stack
944 across non-call exception edges.
946 * flags.h (flag_new_exceptions): Remove.
947 * toplev.c: Don't set it.
948 * final.c: Don't check it.
949 * except.c: Provide stub definition.
951 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
952 exceptions, put the note on the trapping instruction.
954 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
955 value to target configuration header.
956 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
957 * config.in, configure: Rebuild.
958 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
959 configuration and target defines.
960 (exceptions_via_longjmp): Remove.
961 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
962 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
964 2001-05-12 Richard Henderson <rth@redhat.com>
966 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
967 * mkconfig.sh (DEFINES): Handle entries with '='.
969 2001-03-22 Zack Weinberg <zackw@stanford.edu>
970 * mkconfig.sh: Use a subshell with redirected stdout,
971 instead of closing stdout and confusing commands that run
972 afterward. Throw away output of cmp.
974 2001-03-22 Richard Henderson <rth@redhat.com>
975 * mkconfig.sh: Include insn-flags.h.
976 * Makefile.in (CONFIG_H): Include insn-flags.h.
977 (lots of objects): Remove insn-codes.h and insn-flags.h.
979 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
980 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
981 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
982 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
983 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
984 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
985 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
986 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
987 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
988 v850/v850.c, vax/vax.c:
989 Don't include insn-flags.h.
991 * diagnostic.c, expr.h, reload.c, toplev.c:
992 Don't include insn-codes.h.
994 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
995 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
996 c4x/c4x.c, i960/i960.c, mips/mips.c:
997 Don't include insn-codes.h or insn-flags.h.
999 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1000 or insn-flags.h in the generated code.
1001 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1002 (main): Forward declare struct rtx_def.
1004 2001-03-09 Zack Weinberg <zackw@stanford.edu>:
1005 * configure.in: Prune nonexistent files from build_xm_file,
1006 xm_file, and host_xm_file lists. Warn unless they're
1007 $cpu/xm-$cpu.h.
1008 Don't generate *config.h here.
1009 AC_SUBST all variables needed to generate *config.h.
1010 * mkconfig.sh: New helper script, from code removed from
1011 configure.in.
1012 * Makefile.in: Substitute in variables needed to generate *config.h.
1013 Stop lying about the dependencies contained in CONFIG_H and
1014 GCONFIG_H.
1015 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
1016 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
1017 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
1018 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
1019 $(TM_P_H), etc. as appropriate.
1021 2001-05-12 Richard Henderson <rth@redhat.com>
1023 EH merge from mainline, parts 1 - 4.
1024 * gthr-single.h (UNUSED): New. Distinguish between how C
1025 and C++ mark unused function arguments. Use throughout.
1027 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
1028 jump.c, toplev.c:
1029 Rename asynchronous_exceptions to flag_non_call_exceptions.
1030 * except.h (flag_non_call_exceptions): Move ...
1031 * flags.h: ... here.
1033 * rtl.h (LCT_NORETURN): New.
1034 * calls.c (emit_library_call_value_1): Handle it.
1036 * function.c (expand_function_start): Set DECL_REGISTER on
1037 a pseudo used for DECL_RESULT.
1039 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1041 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
1042 about files not ending in newlines.
1044 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1046 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
1047 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
1049 2001-05-11 Richard Henderson <rth@redhat.com>
1051 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
1052 calls and jumps to be bundled together.
1053 (ia64_reorg): Emit a break after a noreturn call that ends
1054 a function.
1055 * config/ia64/ia64.md (break_f): New.
1057 2001-05-11 Jakub Jelinek <jakub@redhat.com>
1059 * regmove.c (regmove_optimize): Suppress the optimization for
1060 unchanging destination register. Add comment above function.
1062 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1064 * loop.h (struct movables): Remove `num'.
1065 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
1066 Adjust call to strength_reduce.
1067 (num_unmoved_movables): New function.
1068 (move_movables): Don't set movables->num.
1069 (strength_reduce): Compute the number of instructions in the loop
1070 here, rather than in the caller.
1071 (check_dbra_loop): Always clear reversible_mem_store if there
1072 are any memory sets.
1073 (loop_regs_scan): Don't count instructions here.
1074 (count_insn_in_loop): New function.
1076 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
1078 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1080 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
1081 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
1083 Thu May 10 18:23:11 2001 Jeffrey A Law (law@cygnus.com)
1085 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
1086 a computed jump into an unconditional jump.
1087 In second hunk of code for collapsing computed and conditional jumps
1088 into unconditional jumps, reemit the jump in additional cases.
1090 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1092 * expr.c (emit_group_load): extract_bit_field requires a REG or
1093 MEM as an argument.
1095 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
1097 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
1098 contents for a SYMBOL_REF in case of floating point constants.
1100 2001-05-09 Zack Weinberg <zackw@stanford.edu>
1102 * cppinit.c (cpp_post_options): Shut off macro expansion if
1103 -fpreprocessed.
1104 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
1105 IN_I directives only if the # is in column 1 and the directive
1106 name begins in column 2.
1107 * cppmain.c (scan_buffer): Insert a space between # and an
1108 identifier, when that identifier is a directive name.
1110 * tradcpp.c (struct file_buf): Add a pointer to the next entry
1111 in the header search path.
1112 (enum node_type): Add T_INCLUDE_NEXT.
1113 (directive_table): Add entry for include_next.
1114 (do_include_next): New function.
1115 (process_include): New routine, broken out of do_include.
1116 (finclude): Insert 'nhd' argument, to be copied into
1117 next_header_dir of the new buffer.
1118 (main): Adjust to match.
1119 * gsyslimits.h, limity.h: Un-indent #include_next.
1121 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
1123 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
1124 inclusion as a chapter of the GCC manual.
1125 * gcc.texi: Include objc.texi.
1126 * fdl.texi: Use @unnumberedsec for the addendum.
1127 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
1129 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
1131 * pa.md (interspace_jump): Revise comment.
1132 (builtin_longjmp): Block initial setup insns from delay slot of
1133 interspace branch.
1134 (builtin_setjmp_receiver): New expander to save and restore PIC
1135 register.
1137 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
1139 2001-05-07 Mark Mitchell <mark@codesourcery.com>
1141 * gcc.texi: Remove references to CHILL.
1142 * invoke.texi: Likewise.
1143 * install.texi: Likewise.
1145 2001-05-06 Zack Weinberg <zackw@stanford.edu>
1147 * Makefile.in (tradcpp0): Correct typo in dependency list.
1149 2001-05-06 Andreas Jaeger <aj@suse.de>
1151 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
1152 (i386 Options): Document -momit-leaf-frame-pointer.
1154 Sun May 6 10:54:20 2001 Jim Wilson <wilson@redhat.com>
1156 * dwarf2out.c (output_line_info): Fix typo.
1158 2001-05-05 Richard Henderson <rth@redhat.com>
1160 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
1162 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1164 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
1165 between X and Y by using sequences of xgdx and xgdy.
1167 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1169 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
1170 of '!' for the 'D' alternative ('!' is too strong).
1171 ("*logicalsi3_silshl16"): Likewise.
1172 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
1173 ("movstrictsi"): Remove spurious '+'.
1174 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
1175 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
1176 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
1177 a reload to them.
1179 2001-05-04 David Edelsohn <edelsohn@gnu.org>
1181 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
1183 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1185 * config/rs6000/rs6000.md (ashldi3 splits): Guard with TARGET_POWERPC64.
1187 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1189 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
1190 soft register, use ror instead of rol.
1192 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1194 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
1195 into account pre/post increment decrement for 68HC12.
1196 Fix other problems in replacement and fix call to reg_mentioned_p.
1198 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1200 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
1201 Put the soft registers in bss for 68HC12.
1202 (L_regs_d3_4): New for _.d3 and _.d4.
1203 (L_regs_d5_6): Likewise.
1204 (L_regs_d1_2): Likewise.
1205 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
1207 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1209 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
1210 to the pre-processor when -fshort-double is specified.
1211 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
1213 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1215 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
1216 (__mulsi3): Rewrite for 68HC12.
1217 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
1218 Mark 'x' constraint with earlyclobber to prevent a
1219 RELOAD_FOR_OTHER_ADDRESS to go in it.
1220 (mulhi3_m68hc12): New pattern.
1221 (mulhi3_m68hc11): Rename of mulhi3.
1222 (mulhi3): New expand for 68HC12 optimisation.
1223 (umulhisi3, mulhisi3): New patterns for 68HC12.
1225 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1227 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
1228 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
1229 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
1231 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1233 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
1234 constants cheap after reload.
1235 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
1236 are cheap.
1237 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
1238 so that gcc prefers a shift by 16.
1239 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
1241 2001-05-04 Mark Elbrecht <snowball3@bigfoot.com>
1243 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
1244 (CPP_SPEC): Conditionally define MSDOS and GO32.
1245 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
1246 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
1247 ignored.
1248 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
1250 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1252 * hash.c (hash_lookup): Likewise.
1254 * hash.h (hash_lookup): Likewise.
1256 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
1258 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1260 * config/t-freebsd: Don't install "assert.h" in gcc. Compile
1261 crtbeginS.o and crtendS.o with PIC.
1263 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1265 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
1266 instruction.
1267 ("bitcmpqi2"): New pattern for bit-extract and test.
1268 ("bitcmphi"): New pattern for bitb/bita instructions.
1270 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1272 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
1273 instead of _.d1.
1274 (INITIALIZE_TRAMPOLINE): Call it.
1275 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
1276 (TRAMPOLINE_TEMPLATE): Remove.
1277 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
1278 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1279 Declare.
1281 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
1283 * gccbug.in: Use a temporary directory when the mktemp command is
1284 not available.
1286 2001-05-03 David Edelsohn <edelsohn@gnu.org>
1288 * config/rs6000/aix51.h: Remove duplicate header file inclusion as
1289 reported by David O'Brien <obrien@FreeBSD.org>.
1291 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1293 * integrate.h (struct inline_remap): Add leaf_reg_map table.
1294 * integrate.c (expand_inline_function): Use xcalloc to allocate
1295 memory.
1296 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
1297 registers.
1299 2001-05-02 Geoff Keating <geoffk@redhat.com>
1301 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
1302 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
1303 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
1304 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
1305 ctrdi_internal6): In the short-branch case, this insn is only 4
1306 bytes long. Reported by Reza Yazdani <reza@apple.com>.
1308 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1309 (setup_incoming_varargs): Remove warning.
1311 * config/rs6000/rs6000.c (validate_condition_mode): When
1312 flag_fast_math, allow floating-point conditionals to be reversed.
1313 (rs6000_generate_compare): When flag_fast_math, don't generate
1314 cror operations for FP conditionals.
1316 2001-05-02 Dale Johannesen <dalej@apple.com>
1318 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
1319 parameter.
1320 (STRICT_ARGUMENT_NAMING): Define.
1321 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
1322 function_arg_partial_nregs, setup_incoming_varargs): Remove
1323 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
1324 is defined.
1326 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1328 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
1329 for replacement.
1331 * expr.c (store_field): Do nothing except elaborate side-effects if
1332 zero-bit field.
1334 2001-05-02 Nick Clifton <nickc@cambridge.redhat.com>
1336 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
1337 constant pool, use the pool's SYMBOL_REF instead.
1339 2001-05-01 Per Bothner <per@bothner.com>
1341 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
1342 call do_pending_stack_adjust before emiting label.
1344 2001-05-01 Mark Mitchell <mark@codesourcery.com>
1346 * extend.texi: Fix typo.
1348 2001-05-01 Stan Shebs <shebs@apple.com>
1350 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
1351 of UOBJC_MODULES_decl.
1352 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
1353 (generate_descriptor_table): Ditto.
1354 (generate_protocols): Ditto.
1355 (generate_protocol_list): Ditto.
1356 (generate_classref_translation_entry): Ditto.
1358 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
1360 * ChangeLog (2001-02-21): Remove erroneous entry.
1361 * gcc.c (cc1_options): Add "-param".
1362 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1363 (option_map): Likewise.
1364 (display_help): Add "--param" to 'other' options.
1365 * invoke.texi (Optimize Options): Add documentation for `--param
1366 max-delay-slot-insn-search' and `--param
1367 max-delay-slot-live-search' and reorder --param section.
1368 * params.def: Modify initial comment.
1369 * params.h (param_info): Add `help' member.
1370 * toplev.c (lang_independent_params): Include `help' description.
1371 (display_help): Print --param parameters.
1372 (independent_decode_option): Fix typographical error.
1374 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
1376 * c-tree.texi (USING_STMT): Document.
1378 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1379 Richard Henderson <rth@redhat.com>
1381 * extend.texi: Improve documentation of volatile asms.
1383 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1385 * c-tree.texi: Fix thinko.
1386 * gcc.texi: Likewise.
1388 2001-04-30 Richard Henderson <rth@redhat.com>
1390 * c-common.c (c_promoting_integer_type_p): New function, from the
1391 corpse of old macro. Properly promote too-small enumerations and
1392 booleans. Adjust all callers.
1393 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
1394 (c_promoting_integer_type_p): Declare.
1395 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
1396 * c-typeck.c: Likewise.
1397 (default_conversion): Remove now redundant boolean check.
1399 2001-04-30 Jan Hubicka <jh@suse.cz>
1400 Richard Henderson <rth@redhat.com>
1402 * regmove.c (try_apply_stack_adjustment): Remove now redundant
1403 sanity checks.
1404 (combine_stack_adjustments_for_block): Don't combine stack
1405 allocation followed by deallocations. Handle grow-up stacks.
1407 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1409 * fdl.texi: New file.
1410 * c-tree.texi: Use the GFDL.
1411 * gcc.texi: Likewise.
1413 2001-04-30 Stan Shebs <shebs@apple.com>
1415 * invoke.texi: Add a section documenting Objective-C options.
1417 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1419 * regmove.c (record_stack_memrefs): Catch all references to the
1420 stack pointer.
1422 2001-04-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1424 * pa.c (hppa_init_pic_save): Update last_parm_insn after emitting
1425 pic save insn.
1427 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1429 * extend.texi (extended asm): Fix typo.
1431 Sat Apr 28 10:32:26 2001 Jeffrey A Law (law@cygnus.com)
1433 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
1434 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
1435 into the constant pool.
1436 * jump.c (jump_optimize_1): Remove barrier successors after all
1437 the LABEL_NUSES counds have been computed.
1438 (delete_barrier_successors): When deleting a tablejump insn, also
1439 delete the jump table it uses.
1440 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
1441 label into memory.
1443 2001-04-28 Andreas Jaeger <aj@suse.de>
1445 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
1446 appropriate.
1447 * extend.texi: Likewise.
1449 2001-04-28 Andreas Jaeger <aj@suse.de>
1451 * md.texi: Use XX-bit instead of XXbit or XX bit where
1452 appropriate.
1454 2001-04-28 Andreas Jaeger <aj@suse.de>
1455 Richard Henderson <rth@redhat.com>
1457 * md.texi (Machine Constraints): Fix description of "A" for
1458 i386.
1460 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
1462 * collect2.c (main): Add `-L' case to remove duplicate entries.
1463 (is_in_args): New function to check for a duplicate argument.
1464 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
1465 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
1466 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
1467 Define to be nonzero.
1469 Fri Apr 27 10:41:06 2001 Jeffrey A Law (law@cygnus.com)
1471 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
1473 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
1475 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
1476 common to other movsf patterns. Move up so that in future
1477 people who change the other patterns will change it too.
1478 (movsf_lo_sum): Allow even for soft-float; add appropriate
1479 constraints.
1480 (movsf_high): Likewise.
1481 (movsf_high+1): Allow even for soft-float.
1483 2001-04-26 Mark Mitchell <mark@codesourcery.com>
1485 * invoke.texi: Document more C++ command-line options.
1487 2001-04-26 H.J. Lu (hjl@gnu.org)
1489 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
1491 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
1492 define.
1493 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
1494 (ASM_OUTPUT_SECTION_NAME): Likewise.
1495 (ASM_WEAKEN_LABEL): Likewise.
1496 (UNIQUE_SECTION): Likewise.
1497 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1498 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1499 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
1500 (ASM_OUTPUT_SECTION_NAME): Likewise.
1501 (ASM_WEAKEN_LABEL): Likewise.
1502 (UNIQUE_SECTION): Likewise.
1503 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1504 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1505 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
1506 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
1507 (ASM_FILE_START): Likewise.
1508 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1509 (ASM_DECLARE_OBJECT_NAME): Likewise.
1510 (ASM_FILE_END): Likewise.
1511 (ASM_DECLARE_FUNCTION_NAME): Likewise.
1512 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
1513 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1514 (ASM_OUTPUT_CASE_LABEL): Likewise.
1515 (ASM_OUTPUT_SKIP): Likewise.
1516 (ASM_OUTPUT_ASCII): Likewise.
1517 (ASM_OUTPUT_IDENT): Likewise.
1518 (READONLY_DATA_SECTION): Likewise.
1519 (EXTRA_SECTIONS): Likewise.
1520 (EXTRA_SECTION_FUNCTIONS): Likewise.
1521 (SELECT_RTX_SECTION): Likewise.
1522 (SELECT_SECTION): Likewise.
1524 * config/mips/linux.h (INVOKE__main): Undefine.
1525 (CTOR_LIST_BEGIN): Likewise.
1526 (CTOR_LIST_END): Likewise.
1527 (DTOR_LIST_BEGIN): Likewise.
1528 (DTOR_LIST_END): Likewise.
1529 (SET_ASM_OP): Defined it to ".dummy".
1530 (ASM_OUTPUT_DEF): Defined.
1531 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
1533 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
1535 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
1537 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1539 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
1540 -m386 and -m486.
1542 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
1544 * configure.in (configargs.h): Define thread_model.
1545 * configure: Rebuilt.
1546 * gcc.c (main): Print it with -v.
1548 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
1550 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
1551 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
1552 * gcc.1: Regenerate.
1554 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1556 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1557 is_redundant_typedef): Use static inline instead of inline static.
1559 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1561 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1562 this directory is always searched.
1564 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
1566 * loop.c (try_swap_copy_prop): Go back to checking insn.
1568 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1570 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1571 out and comparison sequence has been detected, put result into
1572 proper temporary pseudo.
1574 2001-04-24 Mark Mitchell <mark@codesourcery.com>
1576 * dwarf2out.c (dwarf2out_finish): Forcibly return to the data
1577 section after emitting information.
1579 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1581 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1582 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1583 * libgcc2.c: Remove __dummy and __empty functions, and all
1584 code for __builtin_saveregs.
1585 * libgcc2.h: Don't prototype __builtin_saveregs, __dummy, or __empty.
1586 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1587 for future reference.
1589 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1591 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1592 passing nested NOP_EXPRs to fold.
1594 2001-04-23 Mark Mitchell <mark@codesourcery.com>
1596 * dwarf2out.c (rtl_for_decl_location): Add comments. Abort
1597 if the decl is abstract.
1598 (add_bound_info): Don't try to get the location of an abstract
1599 declaration.
1601 2001-04-22 Mark Mitchell <mark@codesourcery.com>
1603 * loop.c (loop_delete_insns): Add prototype.
1605 2001-04-21 Mark Mitchell <mark@codesourcery.com>
1607 * flow.c (proagate_one_insn): Remove useless assignment.
1608 * jump.c (delete_insn): Tidy.
1609 * loop.c (try_copy_prop): When deleting an instruction with a
1610 REG_RETVAL note, delete the entire libcall sequence.
1611 (loop_delete_insns): New function.
1612 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1613 we're not substituting into them yet.
1615 2001-04-21 Kazu Hirata <kazu@hxi.com>
1617 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
1619 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
1620 Fix a comment typo.
1621 * config/i960/i960.c (signed_arith_operand): Likewise.
1623 * calls.c (expand_call): Fix a comment typo.
1625 Fri Apr 20 12:22:15 2001 Jeffrey A Law (law@cygnus.com)
1627 * config/pa/som.h (NM_FLAGS): Define.
1629 2001-04-20 Bernd Schmidt <bernds@redhat.com>
1631 * ia64.c (ia64_flag_schedule_insns2): New variable.
1632 (ia64_override_options): Initialize it. Clear
1633 flag_schedule_insns_after_reload.
1634 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1636 Thu Apr 19 19:12:57 2001 Jeffrey A Law (law@cygnus.com)
1638 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
1639 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
1641 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
1642 name at 32 total characters.
1643 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
1644 functions in named sections -- data items can still go into unique
1645 sections, but they have normal names (ie $LIT$ and $DATA$).
1647 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
1648 INIT_PRIORITY.
1650 2001-04-19 Mark Mitchell <mark@codesourcery.com>
1652 * toplev.h (struct lang_hooks): Allow decode_option to indicate
1653 that language-independent processing should not be done.
1654 * toplev.c (main): Adjust accordingly.
1656 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
1657 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
1659 * mips.md (reload_outputdi): Require that operand0 be a
1660 general_operand.
1662 2001-04-19 Jakub Jelinek <jakub@redhat.com>
1664 * invoke.texi (-Wshadow): Clarify.
1666 2001-04-18 Mark Mitchell <mark@codesourcery.com>
1668 * loop.c (load_mems): Examine all the instructions in the loop
1669 before concluding that all jumps branch to the first instruction
1670 after the loop.
1672 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
1674 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
1676 2001-04-18 Jakub Jelinek <jakub@redhat.com>
1678 * cpp.texi (-Wwhite-space): Remove.
1679 (-Wall): -Wall does not imply -Wwhite-space.
1681 2001-04-17 Zack Weinberg <zackw@stanford.edu>
1683 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
1684 use it instead of blindly generating a .stabs.
1685 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
1686 in the right place.
1687 * xcoffout.c: Don't bother defining default for N_CATCH.
1688 (UNKNOWN_STAB): Use internal_error.
1689 (stab_to_sclass): Remove now-unnecessary aborts.
1690 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
1692 Tue Apr 17 21:39:12 2001 Jeffrey A Law (law@cygnus.com)
1694 * jump.c (mark_all_labels): Canonicalize the tail recursion
1695 label attached to CALL_PLACEHOLDER insns.
1697 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
1699 * dbxout.c (N_OPT): Define if not available from <stab.h>
1701 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1703 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
1704 libraries and native K&R compilers.
1706 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1708 * c-typeck.c (convert_arguments): Don't check for width changes
1709 with -Wtraditional.
1711 * invoke.texi (-Wtraditional): Update documentation.
1713 2001-04-16 Zack Weinberg <zackw@stanford.edu>
1715 * toplev.c (output_lang_identify): Delete.
1716 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
1717 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
1718 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
1719 after calling ASM_FILE_END.
1721 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1722 Instead, unconditionally emit an N_OPT stab with string equal
1723 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1725 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1727 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1728 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1729 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1730 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1731 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1732 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1733 config/i370/i370.h, config/i386/beos-elf.h,
1734 config/i386/osf1elf.h, config/i386/osfrose.h,
1735 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1736 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1737 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1738 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1739 config/mips/iris6.h, config/mips/osfrose.h,
1740 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1741 config/sparc/sp64-elf.h:
1742 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1743 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1745 * config/elfos.h, config/freebsd.h, config/linux.h,
1746 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1747 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1748 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1749 of ASM_FILE_START which merely emit a .version directive. Delete
1750 definitions of ASM_FILE_END which merely emit an .ident directive.
1752 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1753 ASM_IDENTIFY_GCC and move part of its logic into
1754 ASM_FILE_START.
1756 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1757 config/sparc/linux-aout.h: Don't emit .version directive in
1758 ASM_FILE_START.
1760 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1761 (output_file_start): Correct comment.
1763 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1764 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1765 to match gdb.
1766 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1767 * config/rs6000/aix.h: Correct comment.
1769 * config/i386/i386afe.h: Delete.
1770 * config.gcc: Remove references to i386afe.h.
1772 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1773 other macros deleted by this patch were undocumented.
1775 Mon Apr 16 08:02:14 2001 Jeffrey A Law (law@cygnus.com)
1777 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1779 * pa.c (secondary_reload_class): SAR<->FP copies require a
1780 secondary register.
1782 * install.texi (mips-mips-bsd): Update list of functions
1783 required to include memmove.
1784 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1785 used functions to include memmove.
1787 2001-04-15 Mark Mitchell <mark@codesourcery.com>
1789 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
1790 if it is not set.
1792 2001-04-15 Jim Wilson <wilson@redhat.com>
1794 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1796 2001-04-13 Jim Wilson <wilson@redhat.com>
1798 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
1799 (first_instruction): New static variable.
1800 (rtx_needs_barrier): Return 1 for alloc.
1801 (init_insn_group_barriers): Set first_instruction.
1802 (rws_sum): Delete duplicate definition.
1803 (group_barrier_needed_p): Return 0 when first_instruction true.
1804 (safe_group_barrier_needed_p): Save and restore first_instruction
1805 around group_barrier_needed_p call.
1807 Fri Apr 13 21:33:59 2001 Loren J. Rittle <ljrittle@acm.org>
1809 * expr.h (enum libfunc_index): Add LTI_memmove.
1810 (memmove_libfunc): Define macro.
1811 * optabs.c (init_optabs): Initialize memmove_libfunc.
1812 * expr.c (expand_assignment): Use memmove_libfunc instead of
1813 memcpy_libfunc.
1815 2001-04-13 Alan Modra <alan@linuxcare.com.au>
1817 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1818 fp mode addresses.
1820 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1822 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1823 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1824 MAKEINFO and MAKEINFOFLAGS too.
1825 (stage4_build): Correctly order -B flags.
1827 2001-04-12 Jim Wilson <wilson@redhat.com>
1829 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1830 to just emit an fnorm.
1832 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1834 * invoke.texi: Document --param max-gcse-memory.
1836 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1838 * sh.md (builtin_setjmp_receiver): New expander.
1840 2001-04-12 Kelley Cook <kelley.cook@home.com>
1842 * config-lang.in (lang_dirs): Add in zlib.
1844 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1846 * dwarf2out.c (modified_type_die): Don't create new types here.
1847 * tree.h (get_qualified_type): New function.
1848 (build_qualified_type): Adjust comment.
1849 * tree.c (get_qualified_type): New function.
1850 (build_qualified_type): Use it.
1852 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1854 * cpp.texi (-Wtraditional): Update description.
1856 * invoke.texi (-Wtraditional): Likewise.
1858 2001-04-11 Jim Wilson <wilson@redhat.com>
1860 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1861 requires more than 64 bits of alignment.
1863 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1865 * cpplib.c (do_line): Sanity check iff enable checking.
1867 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1869 * Makefile.in (gcse.o): Depend on params.h.
1870 * gcse.c: Include params.h.
1871 (gcse_main): Don't do GCSE if doing so will take inordinate
1872 amounts of memory.
1873 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1874 * params.h (MAX_GCSE_MEMORY): New macro.
1876 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1878 * c-typeck.c (convert_arguments): -Wtraditional now activates
1879 -Wconversion warnings, except for changes in signed-ness.
1880 Detect complex<->int & int<->complex conversions as well.
1882 * invoke.texi (-Wtraditional): Document it.
1884 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1886 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1888 2001-04-11 Jason Merrill <jason_merrill@redhat.com>
1890 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1891 not '.' or '$'.
1892 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1893 * varasm.c (CHKR_PREFIX): Likewise.
1895 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1897 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1899 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1901 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1902 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1903 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1904 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1905 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1907 2001-04-09 Neil Booth <neil@daikokuya.demon.co.uk>
1909 * configure.in: Add check for lstat.
1910 * configure, config.in: Regenerate.
1911 * cppinit.c (append_include_chain): Make empty path ".".
1912 * cpplib.c (do_line): Don't simplify #line paths.
1913 * cppfiles.c (remove_component_p): New function.
1914 (find_or_create_entry): Acknowledge stat () errors during
1915 path simplification.
1916 (handle_missing_header): Don't simplify paths.
1917 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1918 the empty path untouched. Don't leave a trailing '/'.
1920 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1922 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1923 function. Remove include of sys/cygwin.h.
1925 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1927 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1928 (CPP_SPEC): Always search */include/w32api for header files.
1929 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1930 (LINK_SPEC): Add "cyg" to the library search prefixes.
1932 2001-04-08 Philip Blundell <philb@gnu.org>
1934 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1936 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1938 * cpperror.c (print_location): Don't special case <stdin>.
1939 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1940 WARNING, but we don't check if we're in system headers.
1941 * cpphash.h (enum error_type): WARNING_SYSHDR: New.
1942 * cpplib.c (do_warning): Warn in system headers.
1943 (cpp_push_buffer): Give stdin buffers the name <stdin>.
1945 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1947 * mbchar.c: Include config.h first.
1949 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1951 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1953 2001-04-05 Benjamin Kosnik <bkoz@redhat.com>
1955 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1956 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1958 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1960 * config/ia64/ia64.c (rtx_needs_barrier): PARALLELs can contain
1961 ASM_OPERANDS.
1963 2001-04-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1965 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1966 all labels present in rtx.
1967 (try_split) Call new function for all split insns.
1969 2001-04-05 Neil Booth <neil@daikokuya.demon.co.uk>
1971 * cppfiles.c (open_file): Fail directories silently, but
1972 with an errno of NOENT set.
1973 (read_include_file): Move the common exit code to the sole
1974 caller. Return an int indicating success or failure. Let
1975 open_file handle directories.
1976 (stack_include_file): If read_include_file fails,
1977 push a "null" buffer.
1979 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1981 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1982 when folding integer division and modulo operations.
1984 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1986 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1987 push insns to delete to it instead of deleting them.
1988 (delete_null_pointer_checks): Delete insns from delete_list after
1989 all delete_null_pointer_checks_1 passes are done.
1991 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1993 * configure.in (target_subdir): Use target_alias, not target.
1994 * configure: Rebuilt.
1996 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1997 other way round.
1998 * config/sh/crti.asm: Fix typos in comments.
2000 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2002 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
2003 LO_SUM cases to where they belong.
2005 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2007 * ifcvt.c (noce_emit_move_insn): New.
2008 (noce_try_store_flag, noce_try_store_flag_constants,
2009 noce_try_store_flag_inc, noce_try_store_flag_mask,
2010 noce_try_cmove, noce_try_cmove_arith): Use it.
2011 (noce_process_if_block): Likewise.
2012 For STRICT_LOW_PART, take mode from its SUBREG.
2014 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2016 * fold-const.c (fold): Before optimizing unsigned comparison with
2017 0x7fffffffU, make sure arg0 is integral type.
2019 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
2021 * c-tree.texi: Document representation of wide strings.
2023 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
2025 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
2026 when multiplier or multiplicand is zero.
2028 2001-03-30 Bernd Schmidt <bernds@redhat.com>
2030 * loop.c (load_mems): When generating a load from a pseudo, update
2031 REGNO_LAST_UID.
2033 * config/ia64/ia64.c (update_set_flags): New function, broken out of
2034 rtx_needs_barrier.
2035 (set_src_needs_barrier): Likewise.
2036 (rtx_needs_barrier): For SET case, use these two functions. Rework
2037 PARALLEL case to handle all inputs before all outputs.
2038 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
2039 saw a label and no stop bit since then.
2040 (maybe_rotate, process_epilogue): Add prototypes.
2042 2001-03-28 Jim Wilson <wilson@redhat.com>
2044 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
2045 operand_subword.
2047 2001-03-28 DJ Delorie <dj@redhat.com>
2049 * Makefile.in (stage1_build): Revert CFLAGS patch.
2051 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2053 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2055 2001-03-27 Jim Wilson <wilson@redhat.com>
2057 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2058 IA64_UNWIND_EMIT.
2059 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2060 (process_epilogue): New static function.
2061 (process_set): Call process_epilogue instead of emitting .restore
2062 directly.
2063 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2065 * flow.c (struct reg_cond_life_info): New fields orig_condition
2066 and stores.
2067 (init_propagate_block_info): Set new fields.
2068 (mark_regno_cond_dead): Set and use new fields.
2069 (flush_reg_cond_reg_1): Likewise.
2070 (and_reg_cond, case AND): Check for redundant AND conditions.
2071 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2072 Set new fields.
2074 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2076 * cppmacro.c (stringify_arg): Null terminate strings.
2078 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2080 * cppfiles.c: Update comments.
2081 (struct include_file): Remove "defined" memeber.
2082 (find_or_create_entry): Make a copy of the file name, and
2083 simplify it.
2084 (open_file): Update to ensure we use the simplified filename.
2085 (stack_include_file): Don't set search_from.
2086 (cpp_included): Don't simplify the path name here.
2087 (find_include_file): New prototype. Call search_from to
2088 get the start of the "" include chain. Don't simplify the
2089 filenames here.
2090 (_cpp_execute_include): New prototype. Move diagnostics to
2091 do_include_common. Update.
2092 (_cpp_pop_file_buffer): Don't set defined.
2093 (search_from): New prototype. Use the preprocessor's cwd
2094 for files included from the command line.
2095 (read_name_map): Don't simplify the pathname here.
2097 (stack_include_file): Only increase the include
2098 count if we actually process the file properly, as opposed
2099 to treating it as length zero. Only call read_include_file
2100 if not DO_NOT_REREAD. Handle the -H include file output
2101 here.
2102 (read_include_file): Remove now redundant DO_NOT_REREAD check.
2103 (cpp_included, find_include_file): Simplify pathnames after
2104 remapping them. If remapping, don't use the remapped file
2105 name's buffer as our scratch buffer.
2106 (cpp_pop_file_buffer): Replace the multiple include macro
2107 only if it isn't yet set.
2108 (read_name_map): Simplify remapped names when reading in.
2109 (remap_filename): Move code to code path that uses it.
2110 (_cpp_simplify_pathname): Return the input pointer.
2112 (NO_INCLUDE_PATH): New macro.
2113 (find_include_file): Decide here which part of the include
2114 chain to start the search. Complain about an empty include
2115 chain in all cases apart from an abolsute file name.
2116 (_cpp_execute_include): Don't choose the search chain here.
2117 Don't call handle_missing_include in the case of an empty
2118 include chain.
2119 (_cpp_compare_file_date): Don't choose the search chain here.
2121 (destroy_include_file_node): Rename destroy_node.
2122 (find_or_create_entry): New function.
2123 (open_file, _cpp_fake_include): Use it.
2124 (handle_missing_header): New function, broken out of
2125 _cpp_execute include. Don't segfault if there is no
2126 system or quoted path.
2127 (_cpp_execute_include): Use handle_missing_header.
2129 (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2130 (cpp_included, find_include_file): Update.
2131 (search_from): Use lbasename.
2132 (_cpp_execute_include): Don't make a null-terminated
2133 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
2134 strlen or strcpy; we already know the length.
2135 (_cpp_compare_file_date): Similarly.
2137 * cpphash.h: Update comments.
2138 (enum include_type): New.
2139 (struct buffer): Delete search from. New search_cached.
2140 (_cpp_execute_include): Update prototype.
2141 (struct cpp_reader): Delete done_initialising.
2142 (_cpp_simplify_pathname): Update prototype.
2143 (struct cpp_buffer): Delete actual_dir. New members
2144 search_from and dir.
2145 (struct cpp_reader): Remove actual_dirs.
2147 (struct include_file): Update.
2148 (stack_include_file): Use search_from.
2149 (cpp_included, find_include_file): Update.
2150 (cpp_execute_include): Update. ptr->name may not be
2151 null terminated. Use the new search_from member variable
2152 of cpp_buffer.
2153 (_cpp_compare_file_date): Similarly.
2154 (search_from): New function, similiar to actual_directory.
2155 (actual_directory): Delete.
2156 (remap_filename): Update. loc->name may not be null terminated.
2157 (struct file_name_list): Rename search_path. Update.
2159 * cppinit.c (do_includes): Use _cpp_execute_include.
2160 (cpp_start_read): Don't set done_initialising.
2161 (struct cpp_pending): Update for renamed objects.
2162 (append_include_chain, remove_dup_dir, remove_dup_dirs,
2163 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
2165 * cpplib.c (do_include_common): New function.
2166 (do_include, do_include_next, do_import): Use it.
2167 (do_include_next): Move the in-main-file diagnostic
2168 here from _cpp_execute_include. Behave like #include if
2169 we're in the main file.
2170 (_cpp_compare_file_date): Make else unconditional.
2171 (CPP_PREV_BUFFER): Delete.
2172 (glue_header_name): Null-terminate.
2173 (do_line): Don't leak memory.
2175 * cpplex.c (parse_string): Guarantee null-termination.
2176 (_cpp_equiv_toklists): Remove.
2178 * cpplib.h (BT_WEAK): Delete.
2179 (struct cpp_options): Update.
2181 * cppmain.c (cb_ident): Strings are now null-terminated.
2183 * mkdeps.c (deps_add_default_target): Use lbasename.
2185 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2187 * c-typeck.c (digest_init): Fold init expression.
2189 * except.c (eh_regs): Save results of build_pointer_type to a temp
2190 as FUNCTION_VALUE macro may evaluate its args multiple times.
2192 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2194 * c-common.h (DECL_NUM_STMTS): New macro.
2195 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2196 DECL_FRAME_SIZE.
2197 (pushdecl): Likewise.
2198 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2199 * integrate.c (expand_inline_function): Don't check
2200 DECL_FRAME_SIZE.
2201 * print-tree.c (print_node): Don't print it.
2202 * toplev.c (rest_of_compilation): Don't try to inline when
2203 flag_no_inline is on.
2204 * tree.h (DECL_FRAME_SIZE): Remove.
2205 (tree_decl): Adjust accordingly.
2207 Mon Mar 26 15:59:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2209 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2211 2001-03-26 Jakub Jelinek <jakub@redhat.com>
2213 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2214 to variable names where DECL_NAME is different from
2215 DECL_ASSEMBLER_NAME.
2217 2001-03-26 Jakub Jelinek <jakub@redhat.com>
2219 * reg-stack.c (stack_result): Re-add 2001-03-14 changes which were
2220 lost during the 2001-03-14 lazy DECL_RTL commit.
2222 2001-03-21 Jason Merrill <jason@redhat.com>
2224 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2225 not '.' or '$'.
2226 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2227 * varasm.c (CHKR_PREFIX): Likewise.
2229 2001-03-25 Kazu Hirata <kazu@hxi.com>
2231 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2232 space.
2233 (modqi3): Likewise.
2234 (umodhi3): Likewise.
2235 (modhi3): Likewise.
2237 2001-03-23 Richard Henderson <rth@redhat.com>
2239 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2240 to avoid shadowing arguments.
2242 2001-03-23 Jim Wilson <wilson@redhat.com>
2244 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2245 (assemble_alias): Call make_decl_rtl.
2247 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2249 * extend.texi: Document the "java_interface" attribute.
2251 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2253 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2255 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2257 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec field to
2258 all array elements.
2260 2001-03-22 Brad Lucier <lucier@math.purdue.edu>
2262 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2264 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2266 * gcc.texi: Remove more obsolete documentation of bugs and
2267 installation problems.
2269 2001-03-21 Kazu Hirata <kazu@hxi.com>
2271 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2272 into two parts.
2274 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2276 * cse.c (find_comparison_args): Remove previous change.
2277 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2278 REG_EQUAL notes.
2280 * sdbout.c: #include ggc.h.
2281 (sdbout_init): Move to end of file.
2282 Call ggc_add_tree_root for anonymous_types.
2283 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2284 (sdbout_one_type): Use DECL_NAME for field name.
2285 * Makefile.in (sdbout.o): Show includes ggc.h.
2287 2001-03-21 Jakub Jelinek <jakub@redhat.com>
2289 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2290 Remove ia32 linux PIC kludge and move it...
2291 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2293 2001-03-20 DJ Delorie <dj@redhat.com>
2295 * Makefile.in (install-libgcc): Pass complete list of variables.
2296 (install-multilib): Ditto.
2298 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2300 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2301 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2303 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2305 Compute DECL_ASSEMBLER_NAME lazily.
2306 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2307 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2308 (SET_DECL_ASSEMBLER_NAME): Likewise.
2309 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2310 (set_decl_assembler_name): Declare.
2311 (lang_set_decl_assembler_name): Likewise.
2312 * tree.c (lang_set_decl_assembler_name): New variab.e
2313 (set_decl_assembler_name): New function.
2314 (init_obstacks): Set lang_set_decl_assembler_name.
2315 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2316 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2317 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2318 where it's not necessary.
2319 (builtin_function): Likewise.
2320 (finish_decl): Likewise.
2321 * dbxout.c (dbxout_type_methods): Likewise.
2322 * ggc-common.c (ggc_mark_trees): Likewise.
2323 * profile.c (output_func_start_profiler): Likewise.
2324 * varasm.c (make_decl_rtl): Likewise.
2326 * cse.c (find_comparison_args): Update documentation. Fix
2327 mishandling of COMPARE operations.
2329 * tree.def (ABS_EXPR): Add documentation.
2330 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2332 2001-03-20 Tom Tromey <tromey@redhat.com>
2334 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2336 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2338 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2339 drectve_section, switch_to_section.
2341 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2342 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2343 i386_pe_mark_dllimport.
2345 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2347 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2348 functions i386_pe_*.
2350 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2351 i386_pe_* functions with char * arguments.
2353 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2355 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2356 and store.
2357 (movsi_ie): Introduce fpul store.
2359 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2361 * Makefile.in (OBJS): Remove hashtab.o.
2363 2001-03-19 Tom Tromey <tromey@redhat.com>
2365 * gcc.c (init_gcc_specs): Fix comment.
2367 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2369 * cse.c (find_comparison_args): Update documentation. Fix
2370 mishandling of COMPARE operations.
2372 * tree.def (ABS_EXPR): Add documentation.
2373 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2375 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2377 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2379 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2381 * README.X11: Remove obsolete file.
2383 2001-03-18 Anthony Green <green@redhat.com>
2385 * config/pj/pj.h: Remove some trailing commas.
2386 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2388 2001-03-17 Anthony Green <green@redhat.com>
2390 * config/pj/lib1funcs.S: Fix broken comment.
2391 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2392 labels with '.'.
2394 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2396 * gcc.texi: Remove obsolete information relating to build and
2397 installation problems with enquire or the Pyramid C compiler.
2399 2001-03-16 Philip Blundell <philb@gnu.org>
2401 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
2402 "armv2-*-linux".
2403 * config/arm/linux-elf.h: Remove historical relics related to
2404 above configurations.
2405 * config/arm/linux-oldld.h: Delete.
2406 * config/arm/linux-elf26.h: Delete.
2408 2001-03-17 Richard Henderson <rth@redhat.com>
2410 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2411 is generating .debug_line.
2412 (dwarf2out_init): Add main_input_filename to the file table first.
2413 * configure.in (as_dwarf2_debug_line): Test with file number 1
2414 instead of file number 0.
2416 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2417 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2418 (size_of_line_prolog): Remove.
2419 (output_line_info): Compute prologue size via label difference.
2420 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2421 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2422 assembler error when redefining file numbers.
2423 * config.in, configure: Rebuild.
2425 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2427 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2428 variable.
2430 2001-03-16 Jim Wilson <wilson@redhat.com>
2432 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2433 then set it to LOC_REG (79) instead of aborting.
2435 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2437 * fixinc/Makefile.in: Set SHELL.
2439 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2441 * fixinc/fixincl.c (fix_with_system): Quote file names before
2442 passing them to shell.
2444 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2446 * Makefile.in: Use fix-header$(build_exeext) instead
2447 of fix-header.
2449 Fri Mar 16 11:26:01 2001 Christopher Faylor <cgf@cygnus.com>
2451 * config/i386/cygwin.h: Revert previously misapplied patch which
2452 eliminated TARGET_SUBTARGET_DEFAULT.
2454 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2456 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2457 register may be dead.
2459 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2461 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2463 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2465 * Makefile.in (hash.o): Depend on CONFIG_H.
2467 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2469 * cppfiles.c (stack_include_file): Use MAX of sysp.
2471 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2473 * config.gcc (ia64*-*-hpux*): New case.
2474 * config/ia64/hpux.h: New file for HP-UX support.
2475 * config/ia64/t-hpux: New file for HP-UX support.
2477 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2479 * fixinc/inclhack.def (irix_stdio_va_list): New.
2480 * fixinc/fixincl.x: Rebuilt.
2482 2001-03-15 Bruce Korb <bkorb@gnu.org>
2484 * gcc.c(main): make more rigorous
2485 * collect2.c(main): guard against ignoring SIGCHLD
2486 * protoize.c(main): ditto
2487 * gcc/fixinc/fixincl.c(initialize): ditto
2489 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2491 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2492 (sdbout_parms): Likewise.
2494 Thu Mar 15 12:51:00 2001 Jeffrey A Law (law@cygnus.com)
2496 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2497 "widen" a destination that is already wider than a word. Also do
2498 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2500 2001-03-15 Zack Weinberg <zackw@stanford.edu>
2502 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
2503 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
2504 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2505 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2506 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2507 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2508 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2509 config/i370/xm-linux.h, config/i370/xm-mvs.h,
2510 config/i370/xm-oe.h, config/i386/xm-aix.h,
2511 config/i386/xm-i386.h, config/i386/xm-osf.h,
2512 config/i860/xm-i860.h, config/i960/xm-i960.h,
2513 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2514 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
2515 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
2516 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
2517 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
2518 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2519 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2520 config/pj/xm-pj.h, config/romp/xm-romp.h,
2521 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2522 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2523 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2524 config/v850/xm-v850.h, config/vax/xm-vax.h,
2525 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
2526 Do not define TRUE or FALSE.
2528 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
2529 empty by above change.
2530 * config.gcc: Remove references to these files.
2532 * configure.in: Detect stdbool.h.
2533 * configure, config.in: Regenerate.
2534 * system.h: Include stddef.h here if available. Set
2535 HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__. Then
2536 set up a sensible boolean type at the very end.
2538 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
2539 config/mcore/mcore.c: Rename variables named 'true'
2540 and/or 'false'.
2542 * hash.h: Delete 'boolean' typedef and related #undefs.
2544 * function.c, ggc-common.c, hash.h, hash.c, tlink.c,
2545 Replace all uses of 'boolean' with 'bool'.
2547 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2548 David Billinghurst <David.Billinghurst@riotinto.com>
2550 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2552 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2554 * simplify-rtx.c (hash_rtx): For REG and MEM, just use value of
2555 expression without adding in rtx code and mode.
2557 * alias.c (init_alias_analysis): Don't use any rtx whose value
2558 varies as a known value.
2559 Delete a superfluous test.
2561 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2563 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2565 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2567 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2568 contents of the RTL, to determine the name of the object.
2570 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
2572 * configure.in: Use $gcc_cv_as instead of $as.
2573 * configure: Regenerated.
2575 Wed Mar 14 13:17:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2577 * alias.c (handled_component_p, can_address_p): New functions.
2578 (get_alias_set): Use them.
2580 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2582 * expr.c (expand_expr): Revove bogus conditional.
2584 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2586 * tree.h (DECL_RTL): Allocate RTL lazily.
2587 (SET_DECL_RTL): New macro.
2588 (DECL_RTL_SET_P): Likewise.
2589 (COPY_DECL_RTL): Likewise.
2590 (DECL_RTL_IF_SET): Likewise.
2591 * varasm.c (make_decl_rtl): Add assertions about the kind of
2592 declaration we are processing.
2593 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2594 (start_decl): Likewise.
2595 (finish_decl): Likewise.
2596 * c-semantics.c (emit_local_var): Likewise.
2597 * calls.c (expand_call): Likewise.
2598 * dbxout.c (dbxout_symbol): Likewise.
2599 * emit-rtl.c (unshare_all_rtl): Likewise.
2600 (unshare_all_decls): Likewise.
2601 (reset_used_decls): Likewise.
2602 * expr.c (store_constructor): Likewise.
2603 (safe_from_p): Likewise.
2604 (expand_expr): Likewise.
2605 * function.c (put_var_into_stack): Likewise.
2606 (instantiate_decls_1): Likewise.
2607 (assign_parms): Likewise.
2608 (expand_function_start): Likewise.
2609 (expand_function_end): Likewise.
2610 * ggc-common.c (gcc_mark_trees): Likewise.
2611 * integrate.c (function_cannot_inline_p): Likewise.
2612 (copy_decl_for_inlining): Likewise.
2613 (expand_inline_function): Likewise.
2614 (integrate_parm_decls): Likewise.
2615 (integrate_decl_tree): Likewise.
2616 * print-tree.c (print_node): Likewise.
2617 * reg-stack.c (stack_result): Likewise.
2618 * stmt.c (label_rtx): Likewise.
2619 (expand_return): Likewise.
2620 (expand_decl): Likewise.
2621 (expand_decl_cleanup): Likewise.
2622 (expand_anon_union_decl): Likewise.
2623 * toplev.c (check_global_declarations): Likewise.
2624 (rest_of_decl_compilation): Likewise.
2625 * tree.c (simple_cst_equal): Likewise.
2626 * objc/objc-act.c (generate_static_references): Likewise.
2628 2001-03-14 Jakub Jelinek <jakub@redhat.com>
2630 * reg-stack.c (stack_result): Unconditionally use
2631 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
2633 2001-03-13 Jim Wilson <wilson@redhat.com>
2635 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
2636 from 80 in try_locals code.
2637 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2639 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2641 * cpp.texi (poison): Explain the macro expansion exception.
2643 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2645 * cppinternals.texi: Update for file handling.
2647 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2649 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2650 unless anti_dependence says they are.
2651 * alias.c (objects_must_conflict): If neither has a type specified,
2652 they must conflict.
2654 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2656 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2657 before reload_cse_noop_set_p.
2659 Sat Mar 10 23:21:34 2001 kaz Kojima <kkojima@rr.iij4u.or.jp>
2661 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2663 Sat Mar 10 23:16:16 2001 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2665 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2666 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2668 Sat Mar 10 23:03:25 2001 Alexandre Oliva <aoliva@redhat.com>
2670 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2671 if it's a record type.
2673 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2675 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2676 mingw includes slightly.
2678 Fri Mar 9 18:33:50 2001 Jeffrey A Law (law@cygnus.com)
2680 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2682 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2684 * configure: Rebuilt.
2685 * configure.in: Only use `lang_requires' for languages athat are
2686 actually enabled.
2688 Thu Mar 8 23:34:42 2001 Jeffrey A Law (law@cygnus.com)
2690 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2692 Thu Mar 8 23:22:26 2001 John Wehle (john@feith.com)
2694 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2695 LO_SUM unless for_alias is set.
2697 2001-03-08 Bruce Korb <bkorb@gnu.org>
2699 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2700 wait4() can receive the signal.
2702 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2704 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2705 entities.
2706 * fixinc/fixincl.x: Regenerate.
2708 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2710 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2711 on Tru64 UNIX.
2712 * fixinc/fixincl.x: Regenerate.
2714 Thu Mar 8 19:42:08 CET 2001 Jan Hubicka <jh@suse.cz>
2716 * reg-stack.c (move_for_stack_reg): Avoid non-popint fst for
2717 TFmode too.
2719 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2721 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2723 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2725 * configure.in (enable_shared): Support per-package shared-library
2726 enabling.
2727 * configure: Rebuilt.
2729 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2731 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2732 for crnot. Set operands[5] in splitter.
2734 2001-03-07 Tom Tromey <tromey@redhat.com>
2736 * configure: Rebuilt.
2737 * configure.in: Allow config-lang.in to set `lang_requires' to list
2738 of other required languages.
2740 2001-03-07 Richard Henderson <rth@redhat.com>
2742 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2744 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2746 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2747 * fixinc/fixincl.x: Regenerated.
2749 2001-03-06 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2751 * Restore change that patch misapplied.
2752 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2753 (ix86_set_move_mem_attrs_1): Likewise.
2754 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2755 * config/i386/i386.md (movstrsi): Call it.
2757 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2759 * config/m68k/m68k.c (const_uint32_operand): Accept any
2760 const_int on a 32-bit host.
2762 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2764 * c-parse.in (yylexname): New function, split out of _yylex.
2765 (objc_rid_sans_at): New table.
2766 (init_reswords): Initialize it.
2767 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2768 retrieving the next token and checking it for significance as
2769 an ObjC keyword or string constant.
2771 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2772 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2774 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2775 to CPP_OSTRING.
2777 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2779 * objc/objc-act.c (init_objc): Set save_lang_status,
2780 restore_lang_status, and mark_lang_status.
2782 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2784 * cppinternals.texi: Update.
2786 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
2788 * invoke.texi: Document __FAST_MATH__.
2790 2001-03-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
2792 * function.c (purge_addressof_1): Change type of function
2793 purge_addressof_1 from boolean to int. Change local variable
2794 `result' to int, and false and true to 0 and 1, respectively.
2796 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2798 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2799 negative numbers.
2800 (___subdi3, ___adddi3): Use x instead of y as index register.
2801 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2802 (__memset, __memcpy): Likewise.
2803 (regs): Put the soft registers in bss for 68HC12.
2804 (abort): Use trap to abort for 68hc12.
2805 (__mulhi3, __mulhi32): Use emul for 68hc12.
2806 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2808 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2810 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2811 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2812 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2813 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2814 Set 68HC12 min offset to -65536.
2815 (print_operand): Put parenthesis arround the operand if it refers
2816 to a symbol having the same name as a register.
2817 (m68hc11_z_replacement): When z register is replaced by its
2818 equivalent soft register, force the insn to be re-recognized.
2819 (m68hc11_check_z_replacement): Fix the test when destination is
2820 the index register and z dies in the insn.
2821 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2823 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2825 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2826 costs according to processor variant.
2827 (m68hc11_shift_cost): New function to compute shift costs.
2828 (m68hc11_rtx_costs): Define costs according to processor variant.
2829 (m6811_cost): Costs for 68HC11.
2830 (m6812_cost): Costs for 68HC12.
2831 (COSTS_N_INSNS): Remove.
2833 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2834 (DEFAULT_RTX_COSTS): Remove.
2835 (CONST_COSTS): Define costs according to OUTER_CODE.
2836 (processor_costs): New struct to define costs.
2837 (m68hc11_cost): Pointer to current costs.
2839 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2841 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2842 and use m68hc11_notice_keep_cc when using leax/leay.
2843 (addhi3 split): Reject split if the insn is handled by
2844 leax/leay above.
2845 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2846 push must be handled in a special way if the source operand uses
2847 sp as index register.
2848 (m68hc11_notice_keep_cc): New function.
2849 (m68hc11_gen_movhi): Use it when an insn changes a register but
2850 not the flags.
2851 (m68hc11_gen_movqi): Fix move for 68HC12.
2852 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2854 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2856 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2857 and don't pass operands[0] to emit_library_call_value.
2859 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2861 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2862 (zero_extendsi split): Simplify and use (zero_extendhi).
2863 (*addhi3): Remove 'w' constraint since stack pointer is handled
2864 by (addhi3_sp).
2865 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2866 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2867 (*ashrhi3_const): Fix shift by 7.
2868 (*lshrsi3_const16): Fix template.
2869 (call, call_value): Fix constraint and predicate.
2871 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2873 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2874 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2875 (CC_REGNUM): Likewise.
2876 (*unnamed splits): Use above constants instead of hard coded numbers.
2877 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2878 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2879 (*return_16bit, *unnamed peepholes): Likewise.
2881 2001-03-03 Laurynas Biveinis <lauras@softhome.net>
2883 * gcc.c (convert_filename): Append executable suffix
2884 if NO_AUTO_EXE_SUFFIX is not defined.
2885 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
2886 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
2889 2001-03-03 David O'Brien <obrien@FreeBSD.org>
2891 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2892 * c-parse.gperf, c-gperf.h: Delete.
2893 (c-gperf.h was accidently re-added to the CVS repo in the rev 1.16 commit
2894 by tromey)
2896 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2898 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
2899 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
2900 t_bool in declaration because pcc can't combine volatile with typedef
2901 types.
2903 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2905 * longlong.h (umul_ppmm): Don't use a multiline string.
2907 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2909 * cpplex.c (_cpp_lex_token): Don't warn about directives in
2910 macro arguments when looking for the '('.
2911 * cppmacro.c (funlike_invocation_p): Set parsing_args to
2912 2 when really parsing arguments; 1 when looking for '('.
2913 Always restore the lexer position.
2915 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2917 * cpplex.c (parse_string): Unconditionally pedwarn.
2919 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2921 * cpp.texi: Update.
2922 * cppexp.c (parse_number): Update.
2923 * cpplex.c (parse_string): Pedwarn if multiline string does not
2924 result from a system header's macro.
2925 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
2926 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
2927 for function-like macros too.
2929 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2931 * print-rtl.c (print_rtx): Cast enums to int for comparison.
2932 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
2933 shifts.
2934 * c-format.c (C_STD_VER): Cast to int for comparisons.
2935 (check_function_format): Cast various enums to int for &.
2936 (maybe_read_dollar_number): Likewise.
2937 (check_format_info): Likewise.
2938 (check_format_info_main): Likewise.
2939 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
2940 (safe_from_p): Likewise.
2941 * varasm.c (const_hash): Cast enum to int for %.
2942 * emit-rtl.c (init_emit_once): Use int loop variable to work around
2943 pcc enum problems with < and ++ operators.
2944 * regclass.c (init_reg_sets_1): Cast enums for comparison.
2945 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
2946 (regclass_init): Change enum class to int to iterate over reg_classes.
2947 * genrecog.c (merge_trees): Cast enums for comparison.
2948 * rtl.h (GET_CODE): Cast to enum rtx_code.
2949 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
2950 (GET_MODE): Cast to enum machine_mode.
2951 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
2952 (GET_NOTE_INSN_NAME): Cast enum to int.
2953 * tree.h (TREE_CODE): Cast to enum tree_code.
2954 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
2955 * simplify-rtx.c (hash_rtx): Cast enums to unsigned unt.
2956 * timevar.c (timevar_print): Change loop variable id from enum to
2957 unsigned int.
2958 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
2959 * config/i386/i386.md: Use PUT_MODE for mode assignment.
2960 * toplev.c (compile_file): Cast enum DFI to int.
2961 (decode_d_option): Likewise.
2963 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
2965 * cppinit.c (append_include_chain): Mark "after" include file name list
2966 as a system directory.
2967 * cpp.texi: Document new behavior.
2969 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2971 * cpphash.h (struct cpp_reader): Add print_version field.
2972 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
2973 just set print_version and other flags as appropriate.
2974 (cpp_post_options): Print version here if print_version is set.
2976 * toplev.c (exit_after_options): New flag.
2977 (independent_decode_option): Don't exit here; just set
2978 exit_after_options.
2979 (main): Exit after calling lang_hooks.post_options if
2980 exit_after_options is true.
2982 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
2983 (merge_include_chains): Adjust comment to match code.
2985 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2987 * stringpool.c (set_identifier): New function.
2988 * tree.h: Prototype it.
2990 * c-parse.in: Kill D_YES. If compiled for objc, call
2991 save_and_forget_protocol_qualifiers from init_reswords.
2992 * objc/objc-act.c (remember_protocol_qualifiers,
2993 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
2994 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
2995 vice versa.
2996 (save_and_forget_protocol_qualifiers): New function.
2997 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
2999 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3001 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
3002 * cppexp.c (lex): Cast enums for comparison.
3003 * cppinit.c (parse_option): Cast enum for comparison.
3004 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
3005 (cpp_output_token): Likewise.
3006 (cpp_can_paste): Cast enums for comparsion and plus/minus.
3007 (cpp_avoid_paste): Cast enums for minus and comparison.
3009 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
3011 * Makefile.in (resource.o): Add params.h dependence.
3012 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
3013 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
3014 * resource.c: Add dependence on params.h.
3015 (current_live_regs): Fix explanatory comment.
3016 (find_basic_block): Add new parameter to permit limiting search
3017 for a BARRIER.
3018 (mark_target_live_regs): Add new argument to find_basic_block call.
3019 (incr_ticks_for_insn): Likewise.
3021 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3023 * Makefile.in (reorg.o): Add params.h dependence.
3024 * params.def: Fix typographical error in comment.
3025 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3026 * params.h: Modify introductory comment.
3027 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3028 * reorg.c: Add dependence on params.h.
3029 (redundant_insn): Add parameterized throttle for search.
3030 (fill_simple_delay_slots): Add a comment explaining a variable.
3031 Move conditional out of loop, simplifying code.
3032 (fill_eager_delay_slots): Fix typographical error in comment.
3034 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3036 * Makefile.in (OBJS): Add params.o.
3038 2001-02-14 Mark Mitchell <mark@codesourcery.com>
3040 * Makefile.in (toplev.o): Depend on params.h.
3041 (intergate.o): Likewise.
3042 (params.o): New target.
3043 * flags.h (inline_max_insns): Remove.
3044 * integrate.c: Include params.h.
3045 Use MAX_INLINE_INSNS instead of inline_max_insns.
3046 * params.c: New file.
3047 * params.h: Likewise.
3048 * params.def: Likewise.
3049 * toplev.c: Include params.h.
3050 (lang_independent_params): New variable.
3051 (decode_f_option): Use the param machinery instead of setting
3052 max_inline_insns.
3053 (independent_decode_option): Handle "--param name=value".
3054 (main): Register language-independent parameters.
3056 Thu Mar 1 09:44:15 2001 Jeffrey A Law (law@cygnus.com)
3058 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3059 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3061 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3062 before determining its register class.
3064 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3066 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3067 from reg 4 if current_function_calls_setjmp.
3068 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3070 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3071 code not to try to optimize adds with anything but a REG destination.
3073 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3074 (INSN_PRIORITY_KNOWN): New accessor macro.
3075 * haifa-sched.c (priority): Use it instead of testing priority against
3076 zero.
3078 2001-02-28 Neil Booth <neil@daikokuya.demon.co.uk>
3080 * cppinit.c (builtin_array): Update.
3081 (init_builtins): Flag builtins to warn if redefined or
3082 undefined. Define __GXX_WEAK as a normal macro.
3083 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3084 * cpplib.h (NODE_WARN): New flag.
3085 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3086 Handle __STDC__ as a builtin only on Solaris.
3087 (warn_of_redefinition): Renamed from check_macro_definition.
3088 Reverse sense of test. Always warn if NODE_WARN.
3089 (_cpp_create_definition): Use warn_of_redefinition. Flag
3090 any macro beginning with "__STDC_" to require a mandatory
3091 warning if redefined or undefined.
3092 * cppinit.c (set_lang): Move builtin handling to...
3093 (init_builtins): ...here.
3094 (_cpp_create_reader): Move call to set_lang.
3095 * cppfiles.c (stack_include_file): Generate dependencies
3096 here, and manage include_count here too.
3097 (PRINT_THIS_DEP): Delete.
3098 (_cpp_execute_include): Do not generate dependencies here,
3099 apart from the case of a missing header. Do not manage
3100 include_count.
3101 (_cpp_read_file): Leave dependency generation to
3102 stack_include_file.
3103 * cppexp.c (parse_number): Similarly.
3104 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
3105 * cppmacro.c (struct cpp_macro): New member node.
3106 (parse_args): Only warn about missing rest args if not
3107 a system macro.
3108 (funlike_invocation_p): Similarly for uninvoked funlike macros.
3109 (cpp_sys_objmacro_p): New.
3110 (_cpp_create_definition): Store the node with the macro defn.
3111 Remember if the macro is defined in a system header.
3113 2001-02-28 Nathan Sidwell <nathan@codesourcery.com>
3115 * extend.texi (Deprecated Features): Deprecate float and
3116 complex template constant parms.
3118 Tue Feb 27 16:45:00 2001 Jeffrey A Law (law@cygnus.com)
3120 * pa.c (override_options): Promote -fpic to -fPIC.
3121 (legitimize_pic_address): Simplify due to removal of
3122 small PIC as a code generation option.
3123 (secondary_reload_class): Similarly.
3124 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3125 (PRINT_OPERAND_ADDRESS): Similarly.
3126 * pa.md (various patterns): Similarly.
3127 (small pic lo_sum pattern): Remove.
3129 2001-02-27 Andreas Jaeger <aj@suse.de>
3131 * configure.in: Document that --disable-checking is default.
3132 * configure: Regenerated.
3134 2001-02-27 Mark Mitchell <mark@codesourcery.com>
3136 * configure.in: Make --disable-checking the default.
3137 * configure: Regenerated.
3139 2001-02-26 Mark Mitchell <mark@codesourcery.com>
3141 Revert the two previous changes.
3143 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3145 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3146 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3147 * config/i386/i386.md (movstrsi): Handle FAIL case.
3149 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3151 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3152 (ix86_set_move_mem_attrs_1): Likewise.
3153 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3154 * config/i386/i386.md (movstrsi): Call it.
3156 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3158 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3159 used to set another biv.
3161 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3163 * errors.c (internal_error, trim_filename): New functions.
3164 (fancy_abort): Call internal_error.
3165 * errors.h (internal_error, trim_filename): New declarations.
3167 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3169 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3170 2000-08-26's patch.
3171 (EXTRA_CONSTRAINT): Formatting changes.
3173 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3175 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
3177 2001-02-23 Per Bothner <per@bothner.com>
3179 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3180 so they can be called from java/jvspec.c.
3181 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3183 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3185 * diagnostic.c (trim_filename): No longer static.
3186 * toplev.h (trim_filename): Declare.
3187 * rtl.c (rtl_check_failed_bounds): Call internal_error.
3188 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
3189 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
3190 (rtvec_check_failed_bounds): Likewise.
3191 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
3193 * convert.c (convert_to_integer): Don't do unsigned unless result or
3194 both inputs are unsigned.
3196 * fold-const.c (fold_convert): Don't call size_int_type_wide if
3197 input overflows.
3199 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
3201 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
3203 2001-02-23 Jakub Jelinek <jakub@redhat.com>
3205 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3206 check if either operand is divisible by C.
3207 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3208 If type is signed, consider negative numbers as well.
3210 2001-02-22 Richard Henderson <rth@redhat.com>
3212 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3213 reach .text instead of gp-relative relocs.
3214 * config/ia64/crtend.asm (.init): Likewise.
3216 2001-02-22 Andreas Jaeger <aj@suse.de>
3218 * extend.texi (C++ Attributes): Fix typo.
3220 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3222 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3223 functions, drop current_function_args_info.words test.
3224 (ia64_compute_frame_size): Mark syscall_linkage functions as
3225 using eight input registers.
3227 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3228 Bruce Korb <bkorb@gnu.org>
3230 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3231 * fixinc/README: Document how to convert sed substitutions
3232 to format style c_fix-es.
3233 * fixinc/fixincl.x: regen
3235 2001-02-21 Bruce Korb <bkorb@gnu.org>
3236 Rodney Brown <RodneyBrown@mynd.com>
3238 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
3239 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
3240 machine restrictions
3241 * fixinc/fixincl.x: regen
3243 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3245 * cppfiles.c: Update comments.
3246 (_cpp_read_file): Don't check for NULL filenames any more.
3247 * cppinit.c (cpp_start_read): Don't do canonicalization of
3248 in_fname and out_fname. Use the passed file name exclusively.
3249 (_cpp_handle_options): Don't treat "-" as a command line option,
3250 but as a normal filename.
3251 (_cpp_post_options): Canonicalize in_fname and out_fname.
3252 * cppmain.c (printer_init): Don't check out_fname for NULL.
3253 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
3254 (init_c_lex): Update, and use "" to represent stdin to CPP.
3255 (yyparse): Update.
3257 2001-02-21 Kazu Hirata <kazu@hxi.com>
3259 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3260 character.
3261 (xorsi3): Likewise.
3263 Wed Feb 21 19:16:26 CET 2001 Jan Hubicka <jh@suse.cz>
3265 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3267 2001-02-21 Jason Merrill <jason@redhat.com>
3269 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3270 (struct tree_decl): Add uninlinable bitfield.
3271 * c-decl.c (duplicate_decls): Set it.
3272 * integrate.c (function_cannot_inline_p): Check it.
3274 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3275 DW_AT_MIPS_linkage_name to abstract methods.
3276 (dwarf2out_abstract_function): Emit class context before calling
3277 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3278 (gen_subprogram_die): Remove obsolete code.
3279 (gen_member_die): Don't include clones in the member list.
3280 (gen_decl_die): Emit abstract info for clone origin.
3281 * dwarfout.c (output_type): Don't include clones in the member list.
3282 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3283 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3284 DECL_ABSTRACT on a function that already has it set.
3286 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3287 (get_subprogram_die): Pass it in.
3289 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3291 * flow.c (mark_set_1): Make not_dead unsigned long. For
3292 non-pseudos, use it as a bitmask of the hard regs that
3293 don't die.
3295 2001-02-20 Will Cohen <wcohen@redhat.com>
3297 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
3298 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
3299 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
3300 fixunstfsi_libfunc.
3302 2001-02-20 Mark Mitchell <mark@codesourcery.com>
3304 * stmt.c (expand_return): If an attempt is made to return the
3305 error_mar_node, treat the return like a return without a value.
3307 Mon Feb 19 20:24:50 2001 Jeffrey A Law (law@cygnus.com)
3309 * pa.c (move_operand): Accept code to load the address of a
3310 symbol out of the DLT as a valid move operand.
3311 (print_operand, case 'A'): New to handle generating a DLT
3312 reference for a LO_SUM expression.
3313 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
3314 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
3316 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
3318 * README, cpp.texi, gcc.texi: Update version number to 3.0.
3319 * cpp.1, gcov.1, gcc.1: Regenerate.
3321 2001-02-19 Richard Henderson <rth@redhat.com>
3323 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
3324 would be disrupted.
3326 Mon Feb 19 10:11:53 2001 Jeffrey A Law (law@cygnus.com)
3328 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
3329 target_cpu_default. Remove dead assignment to
3330 target_cpu_default.
3332 Mon Feb 19 16:46:56 CET 2001 Jan Hubicka <jh@suse.cz>
3334 * regclass.c (contains_reg_of_mode): Make global.
3335 (init_reg_sets): Remove contains_reg_of_mode; take into account
3336 CLASS_MAX_NREGS when looking for the proper mode.
3337 (dump_regclass): Dump only classes considered for the pseudo.
3338 (regclass): Use contains_reg_of_mode.
3340 Mon Feb 19 16:40:45 CET 2001 Jan Hubicka <jh@suse.cz>
3342 * gcc.c (do_spec_1): 'n' for printing notices.
3343 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
3345 Mon Feb 19 16:20:04 CET 2001 Jan Hubicka <jh@suse.cz>
3347 * reg-stack.c (next_flags_user): Use current_block->end
3348 (swap_rtx_condition): Look for next user if flags don't die;
3349 give up on CALL_INSNs; use current_block->end.
3351 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3353 * invoke.texi (-fsquangle): Remove documentation.
3354 (-fname-mangling-version): Likewise.
3356 2001-02-18 Kazu Hirata <kazu@hxi.com>
3358 * config/h8300/h8300.md: Update copyright.
3359 (andsi3): Do not output an extra newline character.
3361 Sun Feb 18 17:03:06 2001 Jeffrey A Law (law@cygnus.com)
3363 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
3364 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
3365 (mostlyclean): Corresponding changes.
3366 * rtlanal.c (hard-reg-set.h): Include.
3367 (rtx_unstable_p): Do not treat the argument pointer specially
3368 if it is not a fixed register.
3369 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
3371 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3373 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
3374 assignments from FP constants sonce 'Y' output code can't handle it.
3375 (eligible_for_sibcall_delay): Likewise.
3377 * invoke.texi (-I): Add note avoiding use for system header files.
3379 * final.c (output_operand_lossage): Use internal_error, not error.
3381 2001-02-18 Shane Nay <shane@agendacomputing.com>
3383 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
3384 structure shift insns.
3386 2001-02-18 Richard Henderson <rth@redhat.com>
3388 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
3390 * reload1.c (reload_cse_simplify_set): Fix typo.
3392 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3394 * diagnostic.c (_fatal_insn): Decrement errorcount.
3396 2001-02-18 Alan Modra <alan@linuxcare.com.au>
3398 * pa.c (hppa_expand_prologue): Simplify code storing return
3399 pointer. For large (>=8k) frames with a post_store, adjust stack
3400 pointer by 8k-64 first rather than by 64. When testing with
3401 VAL_14_BITS_P, always use the actual value rather than the value
3402 negated. Add blockage to prevent scheduling of spills before
3403 stack frame has been created.
3404 (hppa_expand_epilogue): Simplify code loading return pointer.
3405 Allow a slightly larger range for merge_sp_adjust_with_load case.
3406 When testing with VAL_14_BITS_P, always use the actual value.
3408 * pa.c (pa_adjust_insn_length): Check that block move
3409 pattern is a set before looking at operands.
3411 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3413 * fold-const.c (fold_binary_op_with_conditional_arg): New
3414 function, split out from ...
3415 (fold): ... here.
3416 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
3417 conditional arms that throw exceptions.
3419 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
3420 looking at a BLOCK.
3422 2001-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3424 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
3425 define HAVE_DECL_* to 1 to mask potential backup declarations.
3426 * configure: Regenerated.
3428 2001-02-17 Richard Henderson <rth@redhat.com>
3430 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
3431 when replacing a memory load with a register.
3433 2001-02-17 Joseph S. Myers <jsm28@cam.ac.uk>
3435 * gcc.texi, invoke.texi: Link to GCC 3.0 version of
3436 c99status.html.
3438 2001-02-16 Richard Henderson <rth@redhat.com>
3439 DJ Delorie <dj@redhat.com>
3441 * jump.c (jump_optimize_1): When we delete a conditional jump
3442 preceeding a non-conditional jump to effectively the same place,
3443 make sure that the combined jump skips any clobber insns between
3444 the two labels.
3446 2001-02-16 Jason Merrill <jason@redhat.com>
3448 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
3449 NULL.
3450 (gen_subprogram_die): Don't abort on seeing a second definition if
3451 the previous one was abstract. Don't replace an abstract instance
3452 in the lookup table.
3454 * dwarf2out.c (dwarf2out_abstract_function): Rename from
3455 gen_abstract_function.
3456 * dwarf2out.h: Declare it.
3457 * toplev.c (note_outlining_of_inline_function): New fn.
3458 * toplev.h: Declare it.
3459 * integrate.c (output_inline_function): Call it.
3460 * c-decl.c (duplicate_decls): Call it when redefining an extern
3461 inline. Don't inline the new defn.
3463 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
3465 2001-02-16 Jakub Jelinek <jakub@redhat.com>
3467 * objc/objc-act.c (start_class): Register implemented_classes with
3468 GC.
3470 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
3472 * cppfiles.c (_cpp_make_system_header): Generate a file
3473 change callback.
3475 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3477 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
3479 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
3480 do in memory.
3482 2001-02-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3484 * version.c: Bump to "3.0 20010215 (prerelease)".
3486 Thu Feb 15 15:15:29 2001 Alexandre Oliva <aoliva@redhat.com>
3488 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
3490 Thu Feb 15 00:20:31 CET 2001 Jan Hubicka <jh@suse.cz>
3492 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
3494 * invoke.texi (-mreg-alloc): Deprecate.
3496 2001-02-14 Richard Henderson <rth@redhat.com>
3498 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
3500 Wed Feb 14 23:35:57 CET 2001 Jan Hubicka <jh@suse.cz>
3502 * regclass.c (init_reg_sets_1): Reinstall the optimization
3503 together with Matt Kraai's fix.
3505 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3507 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
3509 2001-02-14 Richard Henderson <rth@redhat.com>
3511 * regclass.c (init_reg_sets_1): Revert last change.
3513 2001-02-14 Nathan Sidwell <nathan@codesourcery.com>
3515 * extend.texi (Deprecated): Deprecate new initializer lists.
3517 2001-02-14 Nathan Sidwell <nathan@codesourcery.com>
3519 * mkdeps.c (deps_add_default_target): Robustify. Add
3520 basename component only.
3521 * cpp.texi (-M): Describe how default target is generated.
3522 * invoke.texi (-M): Likewise.
3524 2001-02-13 Zack Weinberg <zack@wolery.stanford.edu>
3526 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
3527 's' slots in RTXen.
3528 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
3529 * ggc.h (ggc_mark_if_gcable): Delete prototype.
3531 Wed Feb 14 01:03:14 CET 2001 Jan Hubicka <jh@suse.cz>
3533 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
3534 arrays.
3536 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3538 * config/sparc/sparc.c (function_value): Treat all non-record
3539 aggregate types like used to treat UNION_TYPE.
3541 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3543 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
3544 (try_combine): Use it.
3546 2001-02-13 Richard Henderson <rth@redhat.com>
3548 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
3549 entire operator; replicate that and match_dup the operands.
3550 (cmp_ccx_arith_op_set): Likewise.
3551 (cmp_cc_arith_op_not_set): Likewise.
3552 (cmp_ccx_arith_op_not_set): Likewise.
3554 2001-02-12 Jakub Jelinek <jakub@redhat.com>
3556 * c-common.c (constant_fits_type_p): New function.
3557 (convert_and_check): Use it.
3559 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3561 * Makefile.in (GXX_ABI_FLAG): Don't define.
3562 * configure.in (--enable-new-gxx-abi): Remove option.
3563 * config.in: Regenerated.
3564 * configure: Likewise.
3566 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3568 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3569 basic block.
3570 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3571 regular basic block, and arrange for all edges into it to switch
3572 to normal mode.
3574 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3576 * Makefile.in (distclean): Do not remove .gdbinit.
3578 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3580 * Makefile.in (gcc.o): Fix typos.
3581 (protize.o): Likewise.
3582 (unprotoize.o): Likewise.
3584 2001-02-11 Richard Henderson <rth@redhat.com>
3586 * tree.c (build1): Check for null operand in last change.
3588 2001-02-11 Richard Henderson <rth@redhat.com>
3590 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3591 (fold): Don't assume a constant isn't foldable.
3592 * tree.c (build): Set TREE_CONSTANT for an expression with no
3593 side-effects and constant operands.
3594 (build1): Likewise.
3596 2001-02-10 Richard Henderson <rth@redhat.com>
3598 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3600 2001-02-10 Anthony Green <green@redhat.com>
3602 * cpp.texi (Standard Predefined): Add documentation for
3603 __OPTIMIZE_SIZE__.
3605 * c-common.c (combine_strings): Improve warning message.
3607 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3609 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3610 --oformat.
3611 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3613 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3615 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3616 CYGWIN_CROSS_DIR.
3618 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3620 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3621 fp_mode attribute.
3623 2001-02-09 Nick Clifton <nickc@redhat.com>
3625 * config/arm/arm.md: Change output contraint on post inc
3626 load/store multiple patterns to be a read/write contraint.
3628 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3630 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3631 .o files when using the -M options.
3633 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3634 David Edelsohn <edelsohn@gnu.org>
3636 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3637 handle DImode constants. Use one TOC entry for SImode and smaller
3638 constants, aligned properly.
3640 2001-02-08 Jason Merrill <jason@redhat.com>
3642 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3643 about the SP adjustment for saving the static chain pointer.
3644 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3645 offset when setting a temporary CFA register.
3647 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
3649 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
3650 powerpc-*-chorusos* .
3651 * config/rs6000/chorus.h : New file.
3652 * config/i386/chorus.h : New file.
3653 * config/sparc/chorus.h : New file.
3654 * config/sparc/t-chorus-elf : New file.
3656 2001-02-08 David Edelsohn <edelsohn@gnu.org>
3658 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
3659 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
3660 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
3661 (__WCHAR_TYPE__): Correct macro name.
3663 2001-02-08 Richard Henderson <rth@redhat.com>
3665 * config/i386/i386.c (ix86_frame_pointer_required): New.
3666 (ix86_setup_frame_addresses): New.
3667 (struct machine_funciton): Add accesses_prev_frame.
3668 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
3669 ix86_frame_pointer_required.
3670 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
3671 (SETUP_FRAME_ADDRESSES): New.
3672 * config/i386/i386-protos.h: Update.
3673 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
3674 from FRAME_POINTER_REQUIRED.
3675 * config/i386/svr3gas.h: Likewise.
3676 * config/i386/sysv3.h: Likewise.
3677 * config/i386/v3gas.h: Likewise.
3679 2001-02-08 Richard Henderson <rth@redhat.com>
3681 * config/sparc/sparc.c (function_arg_record_value_3): Fix
3682 calculation of the number of integer registers required.
3683 (function_arg_record_value): Likewise.
3685 2001-02-08 Jason Merrill <jason@redhat.com>
3687 * diagnostic.c (internal_error): Say "confused" after 1 error, not
3688 two. Print file and line with "confused" message.
3690 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
3692 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3694 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
3696 2001-02-08 Bernd Schmidt <bernds@redhat.com>
3698 * final.c (cleanup_subreg_operands): The address of a MEM can
3699 contain SUBREGs.
3701 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
3702 for asms, too.
3704 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
3706 * gcc.texi (Incompatibilities): Update documentation of
3707 preprocessing numbers.
3709 2001-02-07 Jakub Jelinek <jakub@redhat.com>
3711 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
3713 2001-02-07 Mark Mitchell <mark@codesourcery.com>
3715 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
3717 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
3718 * gcc.c (struct compiler): Add cpp_spec field.
3719 (input_file_compiler): New variable.
3720 (do_spec_1): Allow a particular compiler to handle `%C'
3721 specially.
3722 (main): Store the current compiler in input_file_compiler.
3723 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
3725 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
3727 * cpphash.h (struct spec_nodes): Add n_true and n_false.
3728 * cppinit.c (cpp_create_reader): Initialize them.
3729 (append_include_chain): cxx_aware arg might be unused.
3730 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
3731 keywords and give them their phase 7 meaning. Pedwarn about
3732 this unless '__bool_true_false_are_defined' is defined.
3734 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3736 * lcm.c (optimize_mode_switching): Emit mode_set before the
3737 JUMP_INSN of an abnormal edge.
3739 2001-02-07 Bernd Schmidt <bernds@redhat.com>
3741 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
3742 a scheduling barrier at the end.
3744 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
3746 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3748 * config/sh/sh.md (reload_outsf): Removed.
3749 (movsf_ie): Introduce constraints for FPUL loads and stores.
3750 (reload_insf): Broaden the output constraint.
3752 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
3753 defined.
3754 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3755 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
3757 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
3759 * final.c: Revert my previous changes.
3760 * output.h: Make profile_label_no extern.
3761 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
3762 for generating label.
3764 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3766 * config/i386/djgpp.h: Add comments about standard paths.
3767 (MD_EXEC_PREFIX): Undefine before defining.
3768 (MD_STARTFILE_PREFIX): New.
3770 2001-01-30 Bruce Korb <bkorb@gnu.org>
3772 fixinc/fixincl.c(process): Emit error message only if appropriate :)
3773 (load_file): do not rely on load_file_data() to close file pointer
3774 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
3775 fixinc/inclhack.def(irix_limits_const): add test_text
3777 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3779 * cppexp.c (parse_defined): Improve diagnostics for invalid
3780 syntax.
3782 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3784 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3786 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3788 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3789 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3790 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3791 (rs6000_output_symbol_ref): New function.
3792 (output_toc): Use VTABLE_NAME_P.
3794 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3796 * print-tree.c (print_node, case PARM_DECL):
3797 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3799 * stor-layout.c (reference_types_internal): New variable.
3800 (internal_reference_types): New function.
3801 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
3802 * tree.h (internal_reference_types): New declaration.
3804 * cse.c (find_best_addr): Fix typo in computing cost.
3806 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3808 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
3809 and this is the sum of a pointer and a constant, we know the result
3810 did not overflow.
3811 (num_sign_bit_copies, case PLUS): Likewise.
3812 * explow.c (convert_memory_address): Remove opposite SUBREG.
3813 * function.c (instantiate_new_reg): New function (from common code).
3814 (instantiate_virtual_regs_1): Call it.
3815 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
3816 if pointers sign- or zero-extend.
3817 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
3818 If pointers extend unsigned, use inside of SUBREG.
3819 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
3821 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
3823 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
3824 subdir of gcc_gxx_include_dir.
3825 (gcc_gxx_target_include_dir): Remove.
3827 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
3829 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
3830 (dwarf2out_frame_debug_expr): Revise introductory comments to add
3831 a high-level description.
3833 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
3835 * final.c: Move the declaration of profile_label_no to ...
3836 * output.h: ... here.
3837 * function.c (expand_function_start): Call PROFILE_HOOK.
3838 * config/rs6000/aix.h: Define PROFILE_HOOK.
3839 * config/rs6000/rs6000-protos.h: output_profile_hook new.
3840 * config/rs6000/rs6000.c (output_profile_hook): Define.
3841 (output_prolog): Do nothing for ABI_AIX as it is taken care by
3842 output_profile_hook.
3843 tm.texi : Explain new macro PROFILE_HOOK.
3845 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
3847 * extend.texi (Extended Asm): Do not say that semicolon is always
3848 a valid line-breaking character for GNU assemblers. Use
3849 newline-tab as the most commonly supported syntax. Use
3850 newline-tab rather than semicolon in multi-insn examples.
3852 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3854 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3856 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3857 David Edelsohn <edelsohn@gnu.org>
3859 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3860 code for AIX, even without flag_pic.
3862 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3864 * c-typeck.c (common_type): push and pop binding level around
3865 calling common_type on function parameters.
3867 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3869 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3871 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3873 * config/mips/mips.c (override_options): Fix typo in last change.
3874 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3875 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3877 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3879 * invoke.texi (-fdump-class-layout): Document.
3880 (-fdump-translation-unit): Use `=' as filename separator.
3882 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3884 * Makefile.in (s-mlib): Don't build multilibs if
3885 --disable-multilib.
3886 (DRIVER_DEFINES): Adjust accordingly.
3887 (gcc.o): Likewise.
3888 (protoize.o): Likewise.
3889 (unprotoize.o): Likewise.
3890 * configure.in: Recognize --enable-multilib.
3892 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3894 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3896 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3897 * configure.in: Remove --enable-libstdcxx_v3 support.
3898 * configure: Regenerated.
3900 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3902 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3903 Call abort instead of fatal.
3904 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3905 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3906 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3907 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3908 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3909 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3911 * diagnostic.h (set_internal_error_function): Renamed.
3912 * toplev.h (internal_error): Renamed from fatal.
3913 (pfatal_with_name): Deleted.
3914 (fatal_io_error): Now has printf-style arguments.
3915 * diagnostic.c (pfatal_with_name): Deleted.
3916 (fatal_io_error): Rework to have args in printf-style.
3917 (set_internal_error_function): Renamed from set_fatal_function.
3918 (internal_error): Renamed from fatal.
3919 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3920 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3921 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3922 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3923 * flow.c (verify_flow_info): Likewise.
3924 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3925 * config/mips/mips.c (save_restore_insns): Likewise.
3927 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3928 * flow.c (verify_flow_info): Likewise.
3929 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3930 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3931 (avr_normalize_condition): Likewise.
3932 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3933 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3934 (limit_reload_class, double_reg_to_memory): Likewise.
3935 (print_operand_address, emit_1600_code_shift): Likewise.
3936 (gen_tst_reg, gen_compare_reg): Likewise.
3937 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3938 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3939 Deleted.
3940 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3942 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3943 * objc/objc-act.c (build_ivar_chain): Likewise.
3944 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3945 pfatal_with_name.
3946 * graph.c (clean_graph_dump_file): Likewise.
3947 * profile.c (init_branch_prob): Likewise.
3948 * objc/objc-act.c (objc_init): Likewise.
3950 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3951 * config/avr/avr.c (avr_override_options): Likewise.
3952 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3953 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3954 * config/h8300/h8300.c (h8300_init_once): Likewise.
3955 * config/mips/mips.c (override_options): Likewise.
3956 * config/i386/i386.c (override_options): Likewise, rework.
3957 * config/m68k/m68k.c (override_options): Likewise.
3959 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3960 instead of fatal.
3961 * config/mips/mips.c (print_operand): Likewise.
3962 * hash.c (hash_allocate): Don't check for failure returns from
3963 obstack functions that can't fail.
3964 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3965 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3966 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3967 (get_object_reference): Likewise.
3969 2001-02-04 Nick Clifton <nickc@redhat.com>
3971 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3972 StrongARM1110, 10TDMI, and 1020T.
3974 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3976 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3978 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3980 * config/sh/sh.md (movdf load split): Pass register number to
3981 FP_OR_XD_REGISTER_P.
3983 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3985 * cppinit.c (BC): New macro.
3986 (builtin_array): Add __GXX_WEAK__.
3987 * cpplib.h (builtin_type): Add BT_WEAK.
3988 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3989 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3990 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3992 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3994 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3996 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3998 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3999 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4001 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4003 * cpphash.h: Rename ALIGN _ALIGN.
4004 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4006 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
4008 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
4009 compilation environment.
4010 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
4011 control over location of cygwin includes and libs.
4013 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4015 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
4017 2001-02-02 lars brinkhoff <lars@nocrew.org>
4019 * md.texi (Standard Names): remove reference to spur.md.
4021 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4023 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
4024 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
4025 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
4026 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
4027 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
4029 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4031 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
4032 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
4033 number before reload.
4034 (c4x_adjust_cost): Return zero before reload.
4035 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
4036 split before reload.
4038 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4040 * c4x.c (c4x_hard_regno_rename_ok): New.
4041 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
4042 * c4x.h (HARD_REGNO_RENAME_OK): Define.
4044 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4046 * diagnostic.h: Add missing "extern" in all declarations.
4048 2001-02-02 Alex Samuel <samuel@codesourcery.com>
4050 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
4051 as for gcc_gxx_include_dir.
4053 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
4055 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
4057 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4059 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
4060 label before alignment to be used as the braf base address.
4061 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
4062 branches.
4063 (casesi_jump_2): Require at least TARGET_SH2.
4065 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
4066 truncation to 32-bit doubles on -m3e and -m4-single-only.
4068 2001-02-02 Mark Mitchell <mark@codesourcery.com>
4070 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
4071 the default when building a shared object.
4072 (init_spec): Use it.
4073 * testsuite/lib/g++.exp: Include the directory where libgcc
4074 is located to the LD_LIBRARY_PATH list.
4075 * invoke.texi (-shared-libgcc): Document the cases in which
4076 GCC defaults to using the shared libgcc.
4078 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4080 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
4081 unsigned is wide enough.
4082 (BITS_PER_SI): New.
4083 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
4084 (si_to_float): Likewise.
4085 (float_to_si, float_to_usi): Use BITS_PER_SI.
4087 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4089 * dwarf2out.c: Added explanation of abbreviations.
4090 (def_cfa_1): Added comments listing DWARF2 instructions.
4091 (cfa_temp_reg): Removed in favor of cfa_temp.
4092 (cfa_temp_value): Removed in favor of cfa_temp.
4093 (cfa_temp): New global variable.
4094 (dwarf2out_frame_debug_expr): Added extensive introductory
4095 comments explaining the function's transformations. Revised to
4096 use cfa_temp. Added some rtx checking. Generalize IOR case.
4097 (dwarf2out_frame_debug): Revised to use cfa_temp.
4098 (output_aranges): Cast as "unsigned" to avoid warning.
4099 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
4100 explain which instructions must be marked.
4102 2001-02-01 Richard Henderson <rth@redhat.com>
4104 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
4105 new instruction.
4107 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
4109 * config/sh/crt1.asm (main_k): Modified so that start calls
4110 ___setup_argv_and_call_main.
4112 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
4114 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
4115 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
4116 and AVOID_LPASTE is cleared on meeting an unescaped newline.
4117 * cppmacro.c (builtin_macro): Set builtin flags here.
4118 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
4119 (replace_args): Clarify intent.
4120 (cpp_get_token): Macro expansion tokens get the saved flags.
4121 Update.
4122 * cppmain.c (scan_buffer): Remove now-redundant print.printed
4123 check.
4125 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4127 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
4128 2001-Jan-29.
4130 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4132 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
4133 returns Pmode pseudo, but we need ptr_mode.
4134 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
4135 Remove bogus conversions; use HOST_WIDE_INT for size.
4136 Don't use TARGET if wrong mode.
4138 * config/i386/i386.c (ix86_compute_frame_size): Allow
4139 stack_alignment_needed to be non-default even if size is zero.
4141 2001-01-31 Alan Modra <alan@linuxcare.com.au>
4143 * (hppa_init_pic_save): Emit the pic offset table
4144 reg save after last_parm_insn.
4145 * pa.c (hppa_init_pic_save): New function.
4146 * pa.h (hppa_init_pic_save): Declare.
4147 * pa.md (call, call_value, sibcall, sibcall_value): Use
4148 the above instead of duplicated code.
4150 * pa.c (hppa_encode_label): Correct size of alloca buffer
4151 so we don't overrun it. Correct leading `*' case.
4152 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
4153 need to handle `*@'.
4154 (FUNCTION_NAME_P): Likewise.
4156 2001-01-31 Richard Henderson <rth@redhat.com>
4158 * config.gcc (alpha-osf5): Use float-i128.h.
4160 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
4161 * config/float-i32.h: Likewise.
4162 * config/float-i64.h: Likewise.
4163 * config/float-sh.h: Likewise.
4164 * config/float-sparc.h: Likewise.
4166 2001-01-31 DJ Delorie <dj@redhat.com>
4168 * expmed.c (extract_bit_field): allow non-integral modes if we
4169 want to extract a whole register from itself.
4171 2001-01-31 Jakub Jelinek <jakub@redhat.com>
4173 * c-typeck.c (set_init_index): If first is equal to last, assume as
4174 if it was not a range at all.
4176 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4178 * config/fp-bit.c: Include tm.h.
4179 (float_to_si): Don't assume SImode is 32-bits wide.
4180 (float_to_usi): Likewise.
4182 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
4184 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
4185 incomplete type.
4186 (typename): Call pending_xref_error after parsing typed_typespecs.
4187 * c-decl.c (lookup_tag): Give error immediately rather than
4188 leaving it pending if the tag of the wrong type is in the same
4189 binding level.
4190 (xref_tag): Don't pedwarn for forward declarations of enum types
4191 here.
4192 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
4193 and enum tags.
4195 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4197 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
4199 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4201 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
4202 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
4204 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4206 * cpphash.h (struct cpp_reader): New saved_flags.
4207 * cppmacro.c (cpp_get_token): Use saved_flags to remember
4208 to avoid a paste after a pasted token.
4210 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4212 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
4213 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
4214 Wtype_MIN instead of LONG_MIN.
4216 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4218 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
4219 README file.
4220 * fixinc/fixincl.x: Regenerated.
4221 * fixinc/inclhack.def (irix_limits_const): New definition to
4222 convert "const" to "__const" in limits.h.
4224 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4226 * fixinc/genfixes (AG): Fix "autogen4" thinko.
4228 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4230 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
4231 when register dies in the insn.
4233 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4235 * diagnostic.c (fatal): Fix word wrap.
4237 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
4239 * combine.c (try_combine): Fix SUBREG setting for
4240 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
4242 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4244 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
4245 comparison codes.
4247 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4249 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
4250 is not NULL.
4251 * toplev.c (decode_W_option): Update warn_larger_than
4252 unconditionally for each processed switch.
4254 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
4256 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
4257 to NULL_RTX.
4258 (hppa_expand_prologue): Delete code to save pic offset table register
4259 in the function prologue.
4260 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
4261 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
4262 table register at the beginning of the function after the prologue.
4264 2001-01-29 lars brinkhoff <lars@nocrew.org>
4266 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
4268 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
4269 Jeff Law <law@redhat.com>
4271 * pa.md (return): Revise comment for trivial return.
4272 (return_internal): Non-trivial return pattern for non-PIC code.
4273 (return_internal_pic): Non-trivial return pattern for PIC code.
4274 It uses the PIC register to ensure it is restored after
4275 function calls.
4276 (epilogue): Generate appropriate return for PIC and non-PIC code.
4278 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
4280 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
4282 2001-01-29 DJ Delorie <dj@redhat.com>
4284 * combine.c (if_then_else_cond): Pass the correct mode to
4285 operand_subword() for constants.
4287 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
4289 * config/i386/cygwin.h: Add w32api to include search. Search different
4290 directories in a cross-build environment.
4292 2001-11-29 Tim Josling <tej@melbpc.org.au>
4294 * tree.h (TYPE_STUB_DECL): Add documentation.
4296 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
4298 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
4299 (sdbout_field_types): Likwise. Fix use of host_integerp.
4301 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
4303 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
4304 cygwin.h.
4306 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
4308 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
4309 to use flag_gnu_linker.
4311 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
4313 * cpplib.c (T_BAD_DIRECTIVE): Remove.
4314 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
4316 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
4318 * tree.c, tree.h (build_parse_node): Remove; was identical to
4319 build_nt.
4320 * c-lang.c (start_cdtor), objc/objc-act.c
4321 (build_module_descriptor): Use build_nt instead of
4322 build_parse_node.
4324 2001-01-29 Jakub Jelinek <jakub@redhat.com>
4326 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
4327 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
4328 not have any upper bits set.
4330 2001-01-29 Phil Edwards <pme@sources.redhat.com>
4332 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
4334 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4336 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
4338 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
4340 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
4341 (integer_minus_one_node): Define.
4343 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
4345 * Makefile.in (bootstrap2-lean): Fix typo.
4347 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
4349 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
4350 : Don't set fe_value.
4351 * cpplib.h (AVOID_LPASTE): New flag.
4352 (struct cpp_hashnode): Remove fe_value.
4353 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
4354 * cppmacro.c (builtin_macro): Don't set flags here.
4355 (replace_args): Set AVOID_LPASTE flag on first token of an
4356 argument, and the token following it.
4357 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
4358 macro expansion, and on the token following it. Do it for
4359 builtins too.
4360 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
4362 2001-01-27 Richard Henderson <rth@redhat.com>
4364 * config/alpha/t-ieee: Remove multilibbing.
4365 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
4367 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4369 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
4371 * Makefile.in: Remove all dependencies on defaults.h.
4372 * builtins.c: Don't include defaults.h.
4373 * c-common.c: Likewise.
4374 * c-decl.c: Likewise.
4375 * c-pragma.c: Likewise.
4376 * c-typeck.c: Likewise.
4377 * combine.c: Likewise.
4378 * i386.c: Likewise.
4379 * frame-ia64.c: Likewise.
4380 * cppexp.c: Likewise.
4381 * crtstuff.c: Likewise.
4382 * dbxout.c: Likewise.
4383 * dwarf2out.c: Likewise.
4384 * dwarfout.c: Likewise.
4385 * emit-rtl.c: Likewise.
4386 * except.c: Likewise.
4387 * expr.c: Likewise.
4388 * final.c: Likewise.
4389 * frame-dwarf2.c: Likewise.
4390 * libgcc2.c: Likewise.
4391 * optabs.c: Likewise.
4392 * profile.c: Likewise.
4393 * sdbout.c: Likewise.
4394 * toplev.c: Likewise.
4395 * tradcif.y: Likewise.
4396 * tree.c: Likewise.
4397 * varasm.c: Likewise.
4399 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4401 * builtins.c (expand_builtin_fputs): Use size_one_node when
4402 transforming into fwrite.
4404 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
4406 * extend.texi (Attribute Syntax): New section.
4408 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4410 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
4411 they didn't need fixing.
4413 2001-01-27 Janis Johnson <janis@us.ibm.com>
4415 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
4416 if appropriate.
4417 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
4418 to remove macro definitions that are duplicated from elfos.h.
4420 2001-01-27 Richard Henderson <rth@redhat.com>
4422 * config/i386/sco5gas.h: Move ...
4423 * config/usegas.h: ... here.
4424 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
4426 2001-01-27 Jakub Jelinek <jakub@redhat.com>
4428 * c-typeck.c (struct constructor_stack): Add range_stack member.
4429 (really_start_incremental_init): Clear it.
4430 (push_init_level): Save constructor_range_stack and clear it if
4431 pushing explicit braces.
4432 (pop_init_level): abort if constructor_range_stack is non-zero at
4433 explicit closing brace. Restore saved constructor_range_stack if
4434 not implicit.
4436 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4438 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
4439 into register was forced into memory.
4441 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4443 * Makefile.in: Remove uses of + before $(MAKE).
4445 2001-01-26 Richard Henderson <rth@redhat.com>
4447 * stmt.c (cost_table): Remove.
4448 (COST_TABLE, cost_table_initialized): New.
4449 (estimate_case_costs): Use the later instead of the former.
4450 (balance_case_nodes): Likewise.
4452 2001-01-26 Richard Henderson <rth@redhat.com>
4454 * alias.c (objects_must_conflict_p): Read-only slots may not
4455 conflict despite having the same type.
4457 2001-01-27 Michael Hayes <mhayes@redhat.com>
4459 * loop.c (loop_giv_reduce_benefit): Copy mode size into
4460 int variable.
4461 (check_ext_dependant_givs): Initialise u_start_val and
4462 u_end_val.
4463 (load_mems): Make last_max_reg unsigned.
4464 (try_swap_copy_prop): Use INSN_P and initialise set.
4466 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
4468 * README.AVR : Removed.
4470 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
4472 * pa-64.h (text_section): Remove declaration.
4474 * pa.md (return_internal): Remove mode on PIC register use.
4476 2001-01-25 lars brinkhoff <lars@nocrew.org>
4478 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
4479 ASM_CLOSE_PAREN): fix typos.
4481 2001-01-25 Mark Mitchell <mark@codesourcery.com>
4483 * acconfig.h: Define `const' to the empty string if neither
4484 __STDC__ nor __cplusplus is defined.
4485 * config.in: Regenerated.
4487 2001-01-25 David Edelsohn <edelsohn@gnu.org>
4489 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
4490 * collect2.c (main): Delete importf. Add ".obj" file extension.
4491 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
4492 (aix_std_libs): Add additional AIX libraries to skip.
4493 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
4494 * config/rs6000/aix51.h: New file.
4496 2001-01-25 Michael Hayes <mhayes@redhat.com>
4498 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
4499 (loop_insn_emit_before): No longer static.
4500 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
4501 (loop_givs_rescan, load_mems): Likewise.
4502 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
4503 (maybe_eliminate_biv_1):
4504 (move_movables): Replace emit_call_insn_before with
4505 loop_call_insn_hoist.
4506 * loop.h (loop_insn_emit_before): Add.
4507 * unroll.c (copy_loop_body): Replace emit_insn_before with
4508 loop_insn_emit_before.
4510 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
4512 * diagnostic.c (fatal): Request preprocessed source.
4514 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
4516 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
4517 olddecl has argument types and newdecl has none, use the argument
4518 types from olddecl.
4520 2001-01-24 Ulrich Drepper <drepper@redhat.com>
4522 * dwarf2out.c (prefix_of): New function. Determine longest common
4523 prefix of the two arguments. The units are whole path components.
4524 (output_file_names): When adding a new directory find the one entry
4525 with the longest common prefix already in the list. Artificially
4526 generate entry if there is none for this prefix.
4527 Fix test to check whether the zeroth directory entry is used.
4529 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
4531 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
4532 Changed all callers. Take it into account when deciding if a
4533 previously loaded value matches.
4535 2001-01-24 Richard Henderson <rth@redhat.com>
4537 * reload.c (find_reloads_subreg_address): Fail the substitution
4538 if the resulting address is insufficiently aligned.
4540 2001-01-24 DJ Delorie <dj@redhat.com>
4542 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
4543 check the original operand's mode also.
4544 * simplify-rtx.c (simplify_ternary_operation): Ditto.
4546 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4548 * c-parse.in (cast_expr): Move compound literals from here ...
4549 (primary): ... to here. Use standard terminology "compound
4550 literal" instead of "constructor expression".
4552 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4554 * gcc.1, cpp.1: Regenerate.
4556 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
4558 * calls.c (emit_library_call_value_1): Memory slot for
4559 pass-by-reference argument should have the mode of the argument,
4560 not of the pointer to it.
4562 2001-01-24 Tom Tromey <tromey@redhat.com>
4564 * gcc.texi (G++ and GCC): Mention gcj manual.
4565 (Standards): Link to section of manual mentioning gcj/Java
4566 compatibility.
4568 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4570 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4571 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4572 * tradcpp.c (main): Add -imacros or -include'd dependencies
4573 for -M*.
4574 * cpp.texi (-M, -MM): Document -M -include behaviour.
4576 2001-01-24 Roger Collins <roger@ProProject.com>
4578 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4580 2001-01-24 Will Cohen <wcohen@redhat.com>
4582 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4583 whether registers are 32 bits or 64 bits in size.
4585 2001-01-24 Ben Elliston <bje@redhat.com>
4587 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4589 2001-01-24 Richard Henderson <rth@redhat.com>
4591 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4592 (builtin_longjmp): Use it instead of emit_indirect_jump.
4594 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4596 * bb-reorder.c (make_reorder_chain_1): Handle case where
4597 jump edge goes to the same block as the fallthru edge.
4599 2001-01-23 Jim Wilson <wilson@redhat.com>
4601 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4602 * frame.h (__ia64_personality_v1): Add prototype.
4603 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4604 prototype form. Add void * cast to first argument to personality
4605 call.
4606 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4607 (asctoe113): Likewise.
4608 * config/ia64/frame-ia64.c: Include eh-common.h.
4609 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4610 prototypes.
4611 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4612 to dump parameter.
4613 (itanium_split_issue): Add prototype.
4614 (gen_nop_type): Ifdef out.
4615 (find_best_packet): Initialize best_packet.
4616 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4617 result.
4618 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4619 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4620 (flushrs): Add explicit stop bit at end.
4621 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4622 trailing \ to >.
4624 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4626 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4627 of EH symbols.
4628 * libgcc2.c (__terminate_func): Make variable static.
4629 (__terminate_set_func): New function to set __terminate_func.
4630 * libgcc2.h (__terminate_func_ptr): New typedef.
4631 (__terminate_set_func): New function.
4633 2001-01-23 Richard Henderson <rth@redhat.com>
4635 * flow.c (init_propagate_block_info): Don't consider unchanging
4636 memories for dead frame store elimination.
4638 2001-01-23 Richard Henderson <rth@redhat.com>
4640 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4641 * defaults.h: ... here.
4643 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4645 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4647 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4649 * c-lex.c (lex_charconst): Fix typo: s/p/str.
4651 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4653 * rs6000.h (rs6000_return_addr): Move prototype from here...
4654 * rs6000-protos.h (rs6000_return_addr): ...to here.
4655 (rs6000_init_expanders): Delete prototype.
4657 2001-01-23 Nick Clifton <nickc@redhat.com>
4659 * invoke.texi: Replace , with \, inside @gccoptlist macros.
4660 (Spec Files): Document %B and %j and %. and %v3 and %M and
4661 %{S*&T} spec switches.
4663 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4665 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
4667 2001-01-23 Chris Demetriou <cgd@sibyte.com>
4668 Neil Booth <neil@daikokuya.demon.co.uk>
4670 * cpperror.c: Merge handlers of PEDWARN and WARNING.
4671 Have -Werror make pedantic warnings errors, like the
4672 rest of GCC.
4674 2001-01-23 Phil Edwards <pme@sources.redhat.com>
4676 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
4678 2001-01-23 Jakub Jelinek <jakub@redhat.com>
4680 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
4681 * integrate.c (expand_inline_function): Initialize them.
4682 (subst_constants): If changing COMPARE so that both its arguments
4683 will be VOIDmode and the comparison mode will be lost, note
4684 compare_mode. Use the recorded compare_mode to optimize
4685 IF_THEN_ELSE.
4687 2001-01-23 Jason Merrill <jason@redhat.com>
4689 * dwarf2out.c (new_die): Use xcalloc.
4690 (output_die): Abort rather than emit a local reference to offset 0.
4692 2001-01-17 Andrew Haley <aph@redhat.com>
4694 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
4695 of a saved register; return NULL instead.
4696 (copy_reg): Take a pointer to a source register rather than a
4697 frame_state.
4698 (next_stack_level): Remember the address in the stack frame of all
4699 saved registers.
4700 Use the saved register pointer array as the source of the CFA.
4701 (throw_helper): Rewrite. Unwind once rather than twice and keep
4702 track of saved registers as we go.
4704 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4706 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4707 * c4x.c (c4x_legitimize_reload_address): Remove.
4708 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
4709 reload address for ldp(k) insn.
4711 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
4713 * pa.md (return_internal): Add a USE of the PIC register to ensure
4714 it is restored after each call.
4715 (return expander): Corresponding changes.
4717 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4719 * rs6000.h (INIT_EXPANDERS): Delete.
4720 (RETURN_ADDR_RTX): Call rs6000_return_addr().
4721 * rs6000.c (rs6000_override_options): Call *_machine_status from
4722 here...
4723 (rs6000_init_expanders): ...instead of here. Delete.
4724 (rs6000_mark_machine_status): New function.
4725 (rs6000_init_machine_status): Use xcalloc.
4726 (rs6000_return_addr): Generate RTX for the return address.
4727 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
4728 (rs6000_stack_info): Use it.
4730 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
4732 * gthr-win32.h: Include errno.h to get a declaration for
4733 EINVAL and _mingw.h if the target is mingw32.
4735 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
4737 * cpp.texi: Correct typos.
4739 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4741 * explow.c (probe_stack_range): Ensure value passed to
4742 stack_check_libfunc is ptr_mode, not Pmode.
4744 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
4746 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
4747 case, don't use operand_subword to calculate a SUBREG that is
4748 wider than a word.
4750 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
4752 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4754 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
4755 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
4756 valid. If not replace it by equivalent insns.
4758 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4760 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
4761 contains SYMBOL_REF, LABEL_REF and CONST_INT.
4762 (c4x_U_constraint, symbolic_address_operand): Likewise.
4763 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
4764 memory.
4765 (c4x_r11_set_p, c4x_check_laj_p): New functions.
4766 * c4x-protos.h (c4x_check_laj_p): Add prototype.
4767 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
4768 anulling slot because of silicon bug.
4769 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
4771 2001-01-22 Alan Modra <alan@linuxcare.com.au>
4773 * cppexp.c (parse_charconst): Change `mask' type to agree
4774 with parse_escape.
4776 2001-01-21 Richard Henderson <rth@redhat.com>
4778 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4779 pic_label_name in a linkonce section.
4781 2001-01-17 Philipp Thomas <pthomas@suse.de>
4783 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4784 found in libintl.
4785 * configure: Regenerate.
4787 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4789 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4790 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4792 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4794 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4795 If REVERSE nonzero then condition code in X must be reversed.
4796 (encode_section_info): Optimise if/else.
4797 (avr_function_value): Fix formatting.
4799 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4800 (difficult_branch): Likewise.
4801 (rvbranch): Likewise.
4802 (difficult_rvbranch): Likewise.
4804 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
4806 * config/avr/libgcc.S: Fix comment.
4808 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4810 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
4812 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4814 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
4816 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4818 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
4819 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
4820 * configure, config.in: Regenerate.
4821 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
4822 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
4823 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
4824 (doprint.o): New rule.
4826 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
4828 * c-typeck.c (digest_init): Handle boolean types as scalars.
4830 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4832 * stmt.c (expand_return): Don't return anything if size is zero.
4833 Delete redundant assignment to BYTES.
4834 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
4836 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
4838 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
4839 the same as the default library function names.
4840 * config/avr/avr.md: Document special characters after '%'.
4841 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
4842 knowing which of the call-used registers are really clobbered.
4843 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
4844 New. Both quotient and remainder from one libgcc.S call.
4845 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
4846 clobber as few registers as possible.
4847 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
4849 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
4851 * cppmacro.c (funlike_invocation_p): Don't move back up to the
4852 context of the top of the stack.
4854 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4856 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4857 (fixup_var_refs_insns): ...here.
4859 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4861 * function.c (fixup_var_refs_insns): Break up into
4862 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4863 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4864 [loop over hash table entries].
4865 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4866 fixup_var_refs_insns_with_hash, to match above changes.
4868 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4870 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4871 (libgcc.a): Likewise.
4872 (stmp-multilib): Likewise.
4873 (STAGE2_FLAGS_TO_PASS): Likewise.
4875 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4877 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4878 temporary if no_new_pseudos.
4880 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4882 * cppinternals.texi: Update.
4884 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4886 * arm.c (arm_init_builtins): Re-enable builtins.
4888 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4890 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4891 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4892 element to be null, and always expect an EXPR_LIST.
4893 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4894 * sched-deps.c (sched_analyze_1): Likewise.
4895 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4897 * regclass.c (max_set_parallel): New variable.
4898 (reg_scan): Take it into account in computation of max_parallel.
4899 (reg_scan_mark_refs, case SET): Compute it.
4901 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4902 args are REG.
4903 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4904 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4906 2001-01-19 Jason Merrill <jason@redhat.com>
4908 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4909 for the abstract instance of an inline function.
4911 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4912 J"orn Rennecke <amylaar@redhat.com>
4914 * reload1.c (move2add_note_store): Treat all registers directly or
4915 indirectly derived from a base register as members of the same set
4916 of values.
4917 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4918 of base register into account.
4920 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4922 * alias.c (find_base_value): Recognize TRUNCATE.
4923 (record_set): In PLUS case, invalidate if other summand is also a
4924 base value.
4926 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4928 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4929 entry to be EXPR_LIST.
4930 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4931 be an EXPR_LIST (but not null, which other code doesn't allow).
4932 (note_stores): Properly handle PARALLEL in SET.
4933 Recursively call for top-level PARALLEL.
4934 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4935 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4937 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4939 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4941 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4942 not pfile->skipping (== 0).
4944 2001-01-17 Nick Clifton <nickc@redhat.com>
4946 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4947 machine_status.
4949 2001-01-17 Jim Wilson <wilson@redhat.com>
4951 * invoke.texi (IA-64 options): Improve.
4953 2001-01-17 Tom Tromey <tromey@redhat.com>
4955 * invoke.texi (Optimize Options): Use `{}' to around @samp
4956 argument.
4958 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4960 * invoke.texi (-fno-guess-branch-probability): New option.
4962 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4964 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4965 case of making new double-word constant.
4966 Revert last change: instead just test i3_subst_into_i2.
4968 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4970 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4971 Use q constraints instead of r.
4973 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4975 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4976 (machine_function): Define.
4977 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4978 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4979 pa_free_machine_status): New functions.
4980 (override_options): Set {init,mark,free}_machine_status to above.
4981 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4982 PIC_OFFSET_TABLE_REGNUM_SAVED.
4983 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4984 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4985 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4986 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4987 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4989 2001-01-15 DJ Delorie <dj@redhat.com>
4991 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4992 (cpp.1): Ditto.
4993 (gcc.1): Ditto.
4995 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4997 * flow.c (propagate_on_insn): Make trying to delete a prologue
4998 or epilogue insn an ICE, not a warning. Allow doing this if
4999 the current function returns with stack pointer depressed.
5001 * combine.c (try_combine): If i3_subst_into_i2, properly check for
5002 I3 having more than one SET.
5004 2001-01-16 Jim Wilson <wilson@redhat.com>
5006 * invoke.texi: Document IA-64 options.
5008 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
5009 (fixup_errata): Delete TARGET_A_STEP use.
5010 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
5011 (TARGET_SWITCHES): Delete -ma-step option.
5012 * config/ia64/ia64.md (all FP patterns): Delete %B0.
5013 (movqicc_astep, movqi_internal_astep, movhicc_astep,
5014 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
5015 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
5016 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
5017 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
5018 Delete.
5019 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
5020 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
5021 cmovsi_internal): Delete ! TARGET_A_STEP check.
5023 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5025 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
5026 possibility to report bugs via postal mail. Change a URL and
5027 merge in a nearly duplicate statement...
5028 (Bug Reporting): ...from here.
5029 (Service): Refer to the Bug Reporting section instead of
5030 duplicating an URL.
5031 (Contributing): Remove trivial explanations concerning snapshots.
5033 2001-01-16 Alan Modra <alan@linuxcare.com.au>
5035 * cppmain.c (general_init): Don't use ANSI prototype.
5037 2001-01-16 Tom Tromey <tromey@redhat.com>
5039 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
5041 2001-01-16 Richard Henderson <rth@redhat.com>
5043 * config/i386/i386.h: Fix comment typo.
5044 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
5045 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
5047 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5049 * gcc.c: Revert previous -fsyntax-only-related change; move
5050 to cp/g++spec.c.
5052 2001-01-16 Jakub Jelinek <jakub@redhat.com>
5054 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
5055 inmode after checking GET_CODE (op).
5057 2001-01-16 Richard Henderson <rth@redhat.com>
5059 * flow.c (struct propagate_block_info): Add mem_set_list_len.
5060 (MAX_MEM_SET_LIST_LEN): New.
5061 (propagate_one_insn): Update mem_set_list_len.
5062 (invalidate_mems_from_autoinc): Likewise.
5063 (invalidate_mems_from_set): Likewise.
5064 (mark_used_regs): Likewise.
5065 (init_propagate_block_info): Likewise. Stop collecting memories
5066 when we reach MAX_MEM_SET_LIST_LEN.
5067 (mark_set_1): Likewise.
5069 2001-01-16 Richard Henderson <rth@redhat.com>
5071 * unroll.c (precondition_loop_p): Fail if no iteration
5072 variable found.
5074 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5076 * gcc.c: When -fsyntax-only is given, do not complain about
5077 unused libraries.
5079 2001-01-15 Richard Henderson <rth@redhat.com>
5081 * config/i386/i386.c (asm_output_function_prefix): Remove.
5082 (ix86_asm_file_end): New.
5083 (load_pic_register): Generate pic_label_name into a
5084 staticly allocated buffer.
5085 * config/i386/i386-protos.h: Update.
5086 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
5087 (ASM_FILE_END): New.
5088 * config/i386/i386afe.h: New file.
5089 * config.gcc (i?86-*-elf) [tm_file]: Use it.
5090 (i?86-*-{freebsd,linux*,moss*}): Likewise.
5091 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
5092 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
5093 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
5094 * config/i386/sco5.h (ASM_FILE_END): Likewise.
5095 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
5097 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
5099 * Makefile.in (install-man): Remove explicit dependency on
5100 $(srcdir)/gcc.1.
5102 * configure.in, configure: Revert previous patch requiring perl
5103 5.6.0.
5105 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
5107 * toplev.c (flag_guess_branch_prob): New.
5108 (f_options): Add guess-branch-probability option.
5109 (rest_of_decl_compilation): Only estimate branch probability if
5110 flag set.
5111 (main): set flag_guess_branch_prob.
5113 * flags.h (flag_guess_branch_prob): New.
5115 2001-01-15 DJ Delorie <dj@redhat.com>
5117 * gcc.texi (Makefile): Add documentation for Makefile targets.
5119 2001-01-15 Philip Blundell <philb@gnu.org>
5121 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
5122 (is_pic): Delete.
5123 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
5124 (is_pic): Delete declaration.
5125 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
5126 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
5127 * config/arm/arm.md (builtin_setjmp_receiver): New.
5129 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5131 * arm.c (use_return_insn): Don't try to determine the function type
5132 until after reload has completed.
5133 (arm_output_epilogue): Don't adjust the sp value recovered from the
5134 stack.
5135 (emit_multi_reg_push): Don't record dwarf information for the pc.
5136 * arm.md (eh_epilogue): The function type may have changed, so it
5137 needs to be recalculated.
5138 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
5139 unwind tables on arm/netbsd.
5141 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5143 * arm.md (cbranchsi4): Correct calculation of branch ranges.
5144 (negated_cbranchsi4): Likewise.
5146 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5148 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
5149 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5150 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
5151 pass -mapcs-* options to assembler.
5152 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
5153 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5154 (ASM_SPEC): Call subtarget_extra_asm_spec.
5156 2001-01-15 Andreas Jaeger <aj@suse.de>
5158 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
5159 warnings.
5160 (ix86_expand_builtin): Likewise.
5162 * gencodes.c (output_predicate_decls): Make i size_t to avoid
5163 warning about comparison between signed and unsigned.
5165 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5167 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
5169 2001-01-14 Ralf Baechle <ralf@gnu.org>
5171 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
5172 SUBTARGET_CPP_SPEC apropriatly.
5174 2001-01-12 Mark Mitchell <mark@codesourcery.com>
5176 * varasm.c (make_decl_rtl): Fix typo in last change.
5178 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
5180 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
5181 linker supports the init_priority C++ attribute.
5182 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
5183 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
5184 linker does not support init_priority C++ attribute.
5186 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
5188 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
5190 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5192 * c-parse.in (finish_parse): Add comment about cpp_destroy.
5193 * cp/lex.c (finish_parse): Similarly.
5194 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
5195 Return the number of errors encountered.
5196 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
5197 * cppmain.c (main): Don't call cpp_destroy.
5199 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
5201 * configure.in: Require at least perl 5.6.0 to regenerate
5202 manpages.
5203 * configure: Regenerate.
5205 2001-01-14 Richard Henderson <rth@redhat.com>
5207 * genrecog.c (DT_veclen_ge): New.
5208 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
5209 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
5210 (nodes_identical_1): Handle DT_veclen_ge.
5211 (write_cond, debug_decision_2): Likewise.
5213 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5215 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
5216 with ...
5217 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
5219 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5221 * cppmain.c (do_preprocessing): New function; most of the old
5222 main.
5223 (main): Call it to do most of the work.
5224 (cb): Move from global scope to set_callbacks ().
5225 (setup_callbacks): Get the callback pointer.
5226 (general_init, printer_init): Clean up code and comments.
5228 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5230 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
5231 compiling PIC.
5233 2001-01-14 Kazu Hirata <kazu@hxi.com>
5235 * config/h8300/h8300.c (get_shift_alg): Update comments.
5237 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5239 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
5240 (alloc_page, ggc_alloc): Add casts to remove warnings.
5242 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5244 * combine.c (simplify_comparison): Don't change `code' when
5245 can't reverse comparison.
5247 2001-01-14 Richard Henderson <rth@redhat.com>
5249 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
5250 update all call sites. Return true for all non-label constants.
5252 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
5254 * i386.c (ix86_expand_compare): Add bypass_test and second_test
5255 parameters.
5256 (ix86_expand_branch): Update.
5257 (ix86_expand_setcc): Update to handle multiple test conditions.
5258 (expand_int_movcc): Likewise.
5259 (expand_fp_movcc): Likewise.
5260 * i386-protos.h (ix86_expand_compare): New.
5261 * i386.md (andqi_?_slp, orqi_?_slp): New.
5262 (conditional trap expander): Update call to ix86_expand_compare.
5264 2001-01-14 Richard Henderson <rth@redhat.com>
5266 * config/vax/vax.md: Use nonimmediate_operand instead of
5267 general_operand in destinations.
5269 * config/vax/vax.md (indirect_jump): Use register_operand.
5271 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
5272 * config/vax/vax.md (call_pop): Turn into an expander.
5273 (call_value_pop): Likewise.
5274 (call, call_value): New.
5276 2001-01-14 Andreas Jaeger <aj@suse.de>
5278 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
5279 variables.
5280 (ix86_fp_compare_mode): Add unused attribute.
5281 (ix86_expand_fp_movcc): Remove unused variable.
5282 (ix86_expand_builtin): Make fcode unsigned.
5284 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
5285 (expand_expr): Add cast to avoid signed warning.
5286 (store_field): Likewise.
5287 (store_constructor_field): Likewise.
5288 (store_constructor): Likewise.
5289 (store_expr): Likewise.
5290 (clear_storage): Likewise.
5291 (emit_group_store): Likewise.
5292 (emit_group_load): Likewise.
5294 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5296 * c-common.c: Move format checking code to ...
5297 * c-format.c: ... here. New file. Reorder some functions and
5298 declarations.
5299 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
5300 New functions.
5301 * c-common.h (decl_handle_format_attribute,
5302 decl_handle_format_arg_attribute): Declare.
5303 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
5304 (c-common.o): Adjust dependencies.
5305 (c-format.o): New list of dependencies.
5307 2001-01-13 Jakub Jelinek <jakub@redhat.com>
5309 * unroll.c (loop_iterations): If we cannot prove iteration variable
5310 is set once in each iteration, punt.
5312 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
5314 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
5315 (*strlenhi): Remove clobber (which was buggy) of output address.
5317 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5319 * Makefile.in (generated-manpages): Add gcc.1
5320 ($(srcdir)/gcc.1): New target.
5321 (maintainer-clean): Delete $(srcdir)/gcc.1.
5322 * gcc.texi: Add macros @gccoptlist and @gol.
5323 * invoke.texi: Include option summary in manpage. Mark up option
5324 summary with @gccoptlist and @gol. Use @r in one place where
5325 appropriate.
5326 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
5327 * gcc.1: Generate from invoke.texi.
5329 2001-01-13 Richard Henderson <rth@redhat.com>
5331 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
5332 (struct page_entry): Add group member.
5333 (struct page_group): New.
5334 (struct globals): Add page_groups member.
5335 (alloc_anon): Only define for using mmap; remove valloc call.
5336 (page_group_index): New.
5337 (set_page_group_in_use): New.
5338 (clear_page_group_in_use): New.
5339 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
5340 (free_page, release_pages): Likewise.
5341 * configure.in (with-gc): Default to ggc-page always.
5343 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5345 * reload1.c (replace_pseudos_in_call_usage): Use
5346 reg_equiv_constant and reg_equiv_address, and don't try
5347 regno_reg_rtx first.
5349 2001-01-13 Richard Henderson <rth@redhat.com>
5351 * ggc-page.c (alloc_page): Round up allocation size to one page.
5352 Set e->order on extra pages.
5354 2001-01-13 Richard Henderson <rth@redhat.com>
5356 * genrecog.c (nodes_identical): Expand commentary.
5357 (write_switch): Watch out for identical nodes.
5359 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5361 * cppfiles.c (_cpp_fake_include): New function.
5362 * cpphash.h (_cpp_fake_include): New.
5363 * cpplib.c (do_line): Call _cpp_fake_include when entering
5364 header files in preprocessed input.
5365 * cppmain.c (cb_pragma_implementation): Remove handling.
5366 (setup_callbacks): Don't register pragmas.
5368 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5370 * extend.texi: Udate for CPP.
5372 2001-01-13 Andreas Jaeger <aj@suse.de>
5374 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
5376 * regmove.c: Add prototype for replace_in_call_usage.
5378 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5380 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
5381 struct cpp_chunk, struct htab, struct toklist,
5382 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
5383 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
5384 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
5385 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
5386 (struct macro_args): Delete.
5387 * cpphash.h: See above.
5389 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5391 * cppmain.c (struct printer): Remove no_line_dirs.
5392 (options, cb): New.
5393 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
5394 : Use options rather than CPP_OPTION.
5395 (setup_callbacks): Use cb rather than pfile->cb.
5396 (main): No need to check for a buffer. Use cpp_errors.
5397 (printer_init): Don't set no_line_dirs.
5398 (maybe_print_line): Use options not no_line_dirs.
5399 (cb_file_change): Don't call print_line if -P.
5401 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5403 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
5404 callbacks.
5405 * c-parse.in (finish_parse): Use cpp_errors.
5406 (__yylex): Use return value of cpp_pop_buffer.
5407 * cp/lex.c (finish_parse): Use cpp_errors.
5408 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
5410 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
5412 * README.AVR: URLs corrected.
5414 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5416 * c-decl.c (start_function): Don't warn if old prototype is builtin
5417 that's not in C's namespace.
5418 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
5419 (_bb): Add prototype for ctime.
5420 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
5422 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
5424 * i386.c (ix86_fp_comparison_arithmetics_cost,
5425 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
5426 ix86_fp_comparison_cost): New functions.
5427 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
5428 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
5429 two-branch sequences; make static.
5430 (ix86_use_fcomi_compare): Do decision according to the costs.
5431 (split_fp_branch): New.
5432 * i386.md (compare-and-branch patterns): Use split_fp_branch.
5433 * i386-protos.h (ix86_expand_fp_compare): Remove
5434 (ix86_split_fp_branch): Declare.
5436 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
5437 and ix86_comparison_operator.
5439 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
5440 to make it cheaper.
5442 * i386.c (put_condition_code): Output properly the unordered/ordered
5443 compares in fp case.
5444 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
5446 * tm.texi (REVERSE_CONDITION): Document.
5447 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
5448 in -ffast-math mode.
5449 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
5451 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5453 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
5455 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
5456 optimized away.
5458 * config/sh/sh.c (mova_p): Fix test for mova_const.
5460 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5462 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
5463 cpp_get_options rather than dereferencing pfile and using
5464 CPP_OPTION.
5465 * scan-decls.c (scan_decls): Use return value of
5466 cpp_pop_buffer rather than CPP_BUFFER.
5468 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5470 * cppinit.c (cpp_handle_option): help_only is now part of the
5471 cpp_options structure.
5472 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
5473 cpp_set_callbacks): New functions.
5474 * cpplib.h (cpp_callbacks): Break out as a named structure.
5475 (cpp_options): Move help_only here from cpp_reader.
5476 (CPP_FATAL_ERRORS): Update to use cpp_errors.
5477 (cpp_errors, cpp_get_options, cpp_get_callbacks,
5478 cpp_set_callbacks): New prototypes.
5479 * cppmain.c (main): Update for help_only.
5481 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5483 * Makefile.in (info, maintainer-clean, install-info, uninstall):
5484 Also build and remove and install and uninstall c-tree.info and
5485 cppinternals.info.
5486 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
5487 ($(srcdir)/cppinternals.info): New target.
5488 * c-tree.texi: Change file name used when makeinfo used without -o
5489 from ir.info to c-tree.info. Add info directory entry.
5490 * cppinternals.texi: Add info directory entry.
5491 * .cvsignore: Update.
5493 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5495 * c-typeck.c (store_init_value): Don't require constant initializer
5496 elements with -pedantic -std=c99.
5497 (digest_init): Change error about non-constant initializer elements
5498 into pedwarn.
5499 (constructor_range_end): Remove.
5500 (constructor_incremental, designator_depth,
5501 designator_errorneous): New variables.
5502 (struct constructor_stack): Remove range_end, add incremental.
5503 (struct constructor_range_stack, constructor_range_stack): New.
5504 (struct initializer_stack): Add constructor_range_stack.
5505 (finish_init): Set it.
5506 (start_init): Likewise. require_constant_elements for non-static
5507 trees only if not flag_isoc99.
5508 (really_start_incremental_init): Remove constructor_range_end, add
5509 constructor_incremental.
5510 (pop_init_level): Likewise.
5511 (push_init_level): Likewise. If implicit and the subobject had some
5512 value set already, preinitialize the level with it.
5513 Warn about missing braces only if not pushing due to designators.
5514 (set_designator, push_range_stack): New functions.
5515 (set_init_label): Use them.
5516 (set_init_index): Likewise. Remove constructor_range_end.
5517 Error if designator index is outside of array bounds.
5518 (add_pending_init): Compare values of purpose index trees, not the
5519 trees themselves. Allow overwriting of already initialized element.
5520 Issue a warning if it had side-effects.
5521 (set_nonincremental_init, set_nonincremental_init_from_string): New
5522 functions.
5523 (pending_init_member): Rename to...
5524 (find_init_member): ...this function. Call set_nonincremental_init
5525 if necessary. Compare values of purpose index trees, not the trees
5526 themselves. Return the actual value, not just non-zero if something
5527 is found.
5528 (output_init_element): Remove checks for duplicates.
5529 If field has zero size, only check the initializer for correctness.
5530 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
5531 if constructor_incremental is zero. Change error about initializers
5532 not computable at load time into pedwarn.
5533 (output_pending_init_elements): Compare bit positions, not
5534 FIELD_DECLs to take into account zero-sized fields.
5535 (process_init_element): Use constructor_range_stack to fill all
5536 ranges in the designator lists from current level up.
5537 * extend.texi: Update documentation for labeled elements.
5539 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
5541 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
5542 to function usage for arguments passed by reference. Optimize
5543 callee-copied arguments.
5544 * regmove.c (replace_in_call_usage): New function.
5545 (fixup_match_1): Call it.
5546 * cse.c (cse_insn): Canonicalize registers in function usage.
5547 * reload1.c (replace_pseudos_in_call_usage): New function.
5548 (reload): Call it.
5550 * Makefile.in: Reverted yesterday's wrong patch. Installed the
5551 right version.
5553 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5555 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
5556 not XEXP (tmp, 0).
5558 2001-01-12 DJ Delorie <dj@redhat.com>
5560 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5561 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5562 targets.
5564 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5566 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5567 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5568 -std options alongside references to -ansi. Update some
5569 documentation for C99.
5570 * cpp.1: Regenerate.
5572 2001-01-12 Andreas Jaeger <aj@suse.de>
5574 * haifa-sched.c (restore_line_notes): Remove argument block B
5575 since it's unused.
5576 * sched-ebb.c (schedule_ebb): Change caller.
5577 * sched-rgn.c (schedule_region): Likewise.
5578 * sched-int.h (restore_line_notes): Adjust prototype.
5580 * loop.h: Remove wrong declaration of doloop_condition_get.
5582 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5584 * extend.texi: Move C++-extension-related node from the C section
5585 into the C++ section.
5587 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5589 * extend.texi: Refer to an array of pointers to functions instead
5590 of one of functions.
5592 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5593 Jan Hubicka <jh@suse.cz>
5595 * combine.c (reversed_comparison): Fix typo in last patch.
5596 Check X for NULL.
5597 (combine_reversed_comparison_code): Make static to follow
5598 prototype declaration.
5600 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5602 * install.texi: Remove misplaced duplicate entry.
5604 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5606 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5608 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5610 * final.c: (leaf_function_p): Fix typo.
5612 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5614 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5615 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5616 which you have.
5617 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5618 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5619 mmap_anon, and valloc is available.
5620 * ggc-page.c: Restructure ifdef logic to match new autoconf
5621 spec. Don't throw away the test page in init_ggc.
5623 * configure, config.in: Regenerate.
5625 2001-01-12 Michael Hayes <mhayes@redhat.com>
5627 * loop.h (total_biv_increment): Constify iv_class pointer.
5628 (struct induction): Replace `mem_mode' with `mem' rtx.
5629 * unroll.c (total_biv_increment): Constify iv_class pointer.
5630 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5631 (find_mem_givs, combine_givs_p): Likewise.
5632 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5634 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5636 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5637 LastError.
5638 (__gthread_getspecific): Ditto.
5640 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5642 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5643 put_condition_code): Convert fp comparison codes to integer
5644 before handling.
5645 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5646 to final.
5648 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5649 * i386-protos.h (no_comparison_operator): Kill.
5651 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
5653 * combine.c (REVERSIBLE_CC_MODE): Remove.
5654 (reversible_comparison_p): Remove.
5655 (combine_reversed_comparison_code): New.
5656 (reversed_comparison): New.
5657 (combine_simplify_rtx): Use
5658 combine_reversed_comparison_code/reversed_comparison instead
5659 of reversible_comparison_p.
5660 (simplify_if_then_else): Likewise.
5661 (simplify_set): Likewise.
5662 (simplify_logical): Likewise.
5663 (if_then_else_cond): Likewise.
5664 (known_cond): Likewise.
5665 (simplify_comparison): Likewise.
5667 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
5669 * builtins.c (std_expand_builtin_va_start): Handle varargs when
5670 sizeof (int) is larger than sizeof(__word__).
5672 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5674 * cppinit.c (do_includes): Fix typo.
5676 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5678 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
5679 in S_REGS does not occur because not all sources are possible
5680 when a S_REGS is a destination (sometimes needs a clobber).
5681 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
5682 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
5683 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
5684 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
5685 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
5686 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
5687 (lshrdi_const1, lshrsi3_const16): Likewise.
5688 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
5689 (*movhi_68hc12, *movqi_68hc12): Likewise.
5690 (movstrictqi): Make sure reloading in D_REGS as a destination
5691 does not happen.
5693 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5695 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5697 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5699 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
5700 -D, -U and -A, and don't initialize the builtins.
5701 (do_includes): Error if -include or -imacros with -fpreprocessed.
5702 * cppmain.c (cb_define, cb_undef): Unconditionally process
5703 the callback.
5704 * tradcpp.c (main): Fix typo.
5706 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
5708 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
5709 (read_name_map): Use IS_ABSOLUTE_PATH.
5710 * tradcpp.c (get_filename): Likewise.
5712 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5714 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
5715 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
5716 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
5717 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
5718 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
5719 (cmphi_z_used): Don't use '@' for the output.
5720 (tstqi_z_used): Likewise.
5721 (cmpqi_z_used): Likewise.
5722 (one_cmplsi2): Likewise.
5724 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5726 * config/sh/sh.c (barrier_align): Recognize branch around far
5727 branch and redundant insn.
5729 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5731 * invoke.texi: Restore documentation of the drivers' switches -MD
5732 and -MMD.
5734 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5736 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
5738 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
5739 check-objc//%): Support parallel testing of multilibs.
5740 (TESTSUITEDIR): Set to testsuite by default, but override for
5741 parallel testing.
5742 (check-gcc, check-g++, check-g77, check-objc): Enter
5743 $(TESTSUITEDIR).
5745 2001-01-11 Bernd Schmidt <bernds@redhat.com>
5747 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
5748 * sched-deps.c (deps_may_trap_p): Likewise.
5749 * basic-block.h: Remove a comment.
5750 * flow.c (PROP_POSTRELOAD): Remove.
5751 (update_life_info): Don't add it to prop_flags.
5752 (mark_set_1): Lose the code that was enabled by it.
5754 2001-01-11 Michael Hayes <mhayes@redhat.com>
5756 * flow.c (flow_call_edges_add): New.
5757 * basic_block.h (flow_call_edges_add): New.
5759 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
5761 * reload1.c (move2add_note_store): Update reg_set_luid even if
5762 base reg remains the same.
5764 2001-01-10 Nick Clifton <nickc@redhat.com>
5766 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
5767 machine_function structure to zero.
5768 Add prototypes for machine_status functions.
5770 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5772 * c-common.h (CTI_VOID_LIST): Remove.
5773 (void_list_node): Likewise.
5774 * tree.h (TI_VOID_LIST_NODE): New enumeral.
5775 (void_list_node): New macro.
5776 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
5777 * config/i386/i386.c (ix86_init_builtins): Likewise.
5778 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5780 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5782 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5783 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5784 if statement.
5785 * tradcpp.c: Include mkdeps.h.
5786 (deps, print_deps_phony_targets, deps_append, output_deps,
5787 init_dependency_output, output_deps): New.
5788 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5789 deps_output): Delete.
5790 (print_deps_missing_files): Rename deps_missing_files.
5791 (inhibit_output): Make global.
5792 (main): Delete inhibit_output, deps_stream, deps_target.
5793 Use mkdeps functionality in the same way as cpplib. Remove
5794 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5795 -M and -MM. Remove old handling of deps via deps_out, and
5796 old reading of environment variables.
5797 (get_filename): Update to use deps_add_dep.
5799 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5801 * output.h (make_function_rtl): Remove prototype.
5802 (make_decl_rtl): Likewise.
5803 * varasm.c (make_function_rtl): Remove.
5804 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
5805 than from a third parameter.
5806 * tree.h (make_decl_rtl): Remove last parameter.
5807 * c-decl.c (builtin_function): Remove last argument in call to
5808 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
5809 (start_function): Likewise.
5810 * except.c (call_get_eh_context): Likewise.
5811 * expr.c (emit_block_move): Likewise.
5812 (clear_storage): Likewise.
5813 * profile.c (output_func_start_profiler): Likewise.
5814 * toplev.c (rest_of_decl_compilation): Likewise.
5815 * objc/objc-act.c (create_builtin_decl): Likewise.
5816 (synth_module_prologue): Likewise.
5817 (generate_static_reference): Likewise.
5818 (build_selector_reference_decl): Likewise.
5819 (build_class_reference_decl): Likewise.
5820 (build_objc_string_decl): Likewise.
5821 (build_protocol_reference): Likewise.
5823 2001-01-10 Richard Henderson <rth@redhat.com>
5825 * hwint.h: Revert yesterday's change.
5827 2001-01-10 Nick Clifton <nickc@redhat.com>
5829 * function.h (save_machine_status): Delete.
5830 (restore_machine_status): Delete.
5831 Amend comment describing {init|mark|free}_machine_status.
5833 * function.c (save_machine_status): Delete.
5834 (restore_machine_status): Delete.
5835 Amend comment describing {init|mark|free}_machine_status.
5836 (push_function_context_to): Remove invocation of
5837 save_machine_status.
5838 (pop_function_context_from): Remove invocation of
5839 restore_machine_status.
5841 * emit-rtl.c (init_emit_once): Amend comment describing
5842 {init|mark|free}_machine_status.
5844 * tm.texi (Per-Function Data): New node. Describe the
5845 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
5846 function pointers.
5848 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5850 * cppinit.c (OPT_g): Remove.
5851 (cpp_handle_option): Update for removed -g3.
5852 (print_help): Update.
5853 * cpplib.h (struct cpp_options): Remove debug_output.
5854 * cppmain.c (setup_callbacks, cb_define): Update.
5855 * gcc.c (cpp_options): Translate -g3 to -dD.
5857 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5859 * config/i960/i960.md: Change modifier to + on the zero_extract
5860 pattern after the (rotate -2 reg) canonicalization pattern.
5862 2001-01-10 Richard Henderson <rth@redhat.com>
5864 * config/alpha/alpha.c (alpha_free_machine_status): New.
5865 (override_options): Install it.
5866 (alpha_mark_machine_status): Verify machine non-null.
5867 * config/i386/i386.c (ix86_free_machine_status): New.
5868 (override_options): Install it.
5869 (ix86_init_machine_status): Use xcalloc.
5870 (ix86_mark_machine_status): Verify machine non-null.
5871 * config/ia64/ia64.c (ia64_free_machine_status): New.
5872 (ia64_override_options): Install it.
5873 (ia64_mark_machine_status): Verify machine non-null.
5875 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5877 * function.c (instantiate_virtual_regs): Instantiate virtual
5878 registers found in CALL_INSN_FUNCTION_USAGE.
5880 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5882 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5883 equivalent to -ansi in disabling -Di386.
5885 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5887 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5888 new functions.
5889 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5891 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5893 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5895 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5897 * invoke.texi: Document that -fcond-mismatch isn't supported for
5898 C++.
5900 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5902 * gcc.texi: Define macro gcctabopt.
5903 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5904 @command, @env and @option in some places where appropriate. Use
5905 @gcctabopt where appropriate. Put URLs and email addresses inside
5906 @w.
5908 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5910 * gcc.c (cpp_options): Set MD file name from output
5911 filename, if specified.
5912 (suffix_subst): New static variable.
5913 (do_spec): Clear it.
5914 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5915 Clear it.
5916 (give_switch): Handle suffix_subst.
5918 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5920 * invoke.texi: Fix another typo.
5922 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5924 * invoke.texi: Fix typo.
5926 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5928 * c-lang.c (lang_hooks): Update.
5929 (lang_decode_option): Remove.
5930 (lang_init_options): Rename c_init_options.
5931 * toplev.c (main): Use lang_hooks for lang_init_options
5932 and lang_decode_option.
5933 * toplev.h (lang_hooks): Add 2 new hooks.
5934 * tree.h: Remove lang_init_options and lang_decode_option.
5935 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5936 * cp/decl2.c: Similarly.
5937 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5938 (lang_hooks): Update.
5939 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5940 for consistency.
5941 (lang_init_options): Rename ffe_init_options.
5942 (lang_hooks): Update.
5943 (lang_decode_option): Remove.
5944 * java/lang.c (lang_init_options): Rename java_init_options.
5945 (lang_decode_option): Rename java_decode_option.
5946 (lang_hooks): Update.
5947 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5948 (lang_decode_option): Rename objc_decode_option.
5949 (lang_hooks): Update.
5951 2001-01-09 Nick Clifton <nickc@redhat.com>
5953 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5954 (d30v_return_addr_rtx): Delete.
5955 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5956 cfun->machine structure.
5957 (struct machine_function): Move to d30v.h
5958 (d30v_save_machine_status): Delete.
5959 (d30v_restore_machine_status): Delete.
5960 (d30v_init_machine_status): New Function.
5961 (d30v_mark_machine_status): New Function.
5962 (d30v_free_machine_status): New Function.
5963 (d30v_init_expanders): Use new functions.
5964 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5965 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5966 d30v_return_addr_rtx.
5968 * config/d30v/d30v.h (struct_machine): Move here.
5969 Add eh_epilogue_sp_ofs field.
5971 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5972 field in cfun->machine structure.
5974 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5976 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5977 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5978 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5980 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5982 * objc/lang-options.h: Remove bogus reference to
5983 Java trademark.
5985 2001-01-09 Kazu Hirata <kazu@hxi.com>
5987 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5988 return the result.
5990 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5992 * reload.c (find_reloads_address): Check for eliminable registers
5993 when substituting a constant expression for a pseudo.
5995 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5997 * c-common.c (enum format_type): Add format_type_error.
5998 (decode_format_type): New function.
5999 (decl_attributes): Use it.
6000 (format_kind_info): Adjust comment.
6002 2001-01-09 David O'Brien <obrien@BSDi.com>
6004 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
6005 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
6006 files in tm_file.
6007 * config/i386/gnu.h: Don't include required platform specific .h files,
6008 tm.h will do it instead.
6009 * config/i386/i386elf.h: Likewise.
6010 * config/i386/linux.h: Likewise.
6011 * config/i386/moss.h: Likewise.
6012 * config/mips/gnu.h: Likewise.
6014 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6016 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
6017 (rs6000-ibm-aix3.[01]*): Likewise.
6018 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
6019 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
6020 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
6021 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
6022 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
6023 (powerpc-*-eabiaix*): Likewise.
6024 (powerpc-*-eabisim*): Likewise.
6025 (powerpc-*-elf*): Likewise.
6026 (powerpc-*-eabi*): Likewise.
6027 (powerpc-*-rtems*): Likewise.
6028 (powerpc-*-linux*libc1): Likewise.
6029 (powerpc-*-linux*): Likewise.
6030 (powerpc-wrs-vxworks*): Likewise.
6031 (powerpcle-wrs-vxworks*): Likewise.
6032 (powerpcle-*-sysv*): Likewise.
6033 (powerpcle-*-elf*): Likewise.
6034 (powerpcle-*-eabisim*): Likewise.
6035 (powerpcle-*-eabi*): Likewise.
6036 (powerpcle-*-solaris2*): Likewise.
6037 * config/rs6000/aix31.h: Delete includes.
6038 * config/rs6000/aix3newas.h: Likewise.
6039 * config/rs6000/aix41.h: Likewise.
6040 * config/rs6000/aix43.h: Likewise.
6041 * config/rs6000/beos.h: Likewise.
6042 * config/rs6000/rtems.h: Likewise.
6043 * config/rs6000/sysv4.h: Likewise.
6045 2001-01-09 Kazu Hirata <kazu@hxi.com>
6047 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
6048 Change an argument mode of machine_mode to shift_mode of
6049 shift_mode. Remove an extra error check.
6050 (emit_a_shift): Adopt to the new calling prototype of
6051 get_shift_alg.
6052 (function_prologue): Fix code for a monitor
6053 function. Support H8/S.
6054 (function_epilogue): Do not output pop for a monitor function.
6056 2001-01-09 Nick Clifton <nickc@redhat.com>
6058 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
6059 (setup_incoming_varargs): Use sysv_varargs_p field of the
6060 cfun->machine structure.
6061 (struct machine_function): Move to rs6000.h
6062 (rs6000_save_machine_status): Delete.
6063 (rs6000_restore_machine_status): Delete.
6064 (rs6000_init_machine_status): New Function.
6065 (rs6000_free_machine_status): New Function.
6066 (rs6000_init_expanders): Use new functions.
6068 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
6069 export.
6070 (struct machine_function): Move here.
6072 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
6073 sysv_varargs_p field of the cfun->machine structure.
6075 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
6076 Remove prototype.
6077 (rs6000_restore_machine_status): Remove prototype.
6079 2001-01-09 Richard Henderson <rth@redhat.com>
6081 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
6082 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
6083 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
6084 (sched_analyze_2, sched_analyze_insn): Likewise.
6085 (sched_analyze, init_deps): Likewise.
6086 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
6087 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
6088 (compute_block_backward_dependences): Update propagate_deps call.
6090 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
6092 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
6094 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6096 * cppinit.c (OPT_MD, OPT_MMD): Restore.
6097 (cpp_handle_option): Handle them.
6098 (cpp_post_options): Ensure one of -M or -MM is specified with
6099 any other -M? option.
6100 (init_dependency_output): Suppress output with -MG.
6102 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6104 * cpp.texi: Update.
6105 * invoke.texi: Update.
6107 2001-01-09 Bernd Schmidt <bernds@redhat.com>
6109 * sh.md (reload_outsf): Generate recognizable patterns for
6110 TARGET_SH3E.
6112 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6114 * c-lang.c (lang_hooks): Update.
6115 (lang_init): Rename c_init.
6116 (lang_finish): Remove.
6117 * toplev.c (compile_file): Use lang_hooks for lang_init ()
6118 and lang_finish ().
6119 * toplev.h (lang_hooks): Add init () and finish ().
6120 * tree.h (lang_init, lang_finish): Remove.
6121 * cp/tree.h (lang_init, lang_finish): Remove.
6122 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
6123 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
6124 lang_hooks): New.
6125 (lang_init, lang_finish): Remove.
6126 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
6127 (lang_hooks): Update.
6128 * java/lang.c (lang_init): Rename java_init.
6129 (lang_finish): Remove.
6130 (lang_hooks): Update.
6131 * objc/objc-act.c (lang_init): Rename objc_init.
6132 (lang_finish): Remove.
6133 (lang_hoooks): Update.
6135 20001-01-09 Graham Stott <grahams@redhat.com>
6137 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
6138 after `ptr` is initialised.
6140 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6142 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
6143 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
6144 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
6145 stack adjusts, instead of r3.
6147 2001-01-09 Michael Hayes <mhayes@redhat.com>
6149 * flow.c (flow_loop_scan): Break out of ...
6150 (flow_loops_find) ... here.
6151 * basic-block.h (flow_loop_scan): New.
6152 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
6153 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
6155 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6157 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
6158 macro_buffer_len.
6159 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
6160 realloc()ing macro_buffer.
6162 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
6163 if it's wider than long and the target's long is wider than the
6164 host's.
6166 2001-01-09 Mark Mitchell <mark@codesourcery.com>
6168 Remove support for using UWIN as a host machine.
6169 * configure.in: Issue an error message.
6170 * configure: Regenerated.
6171 * config.gcc: Remove xm_* UWIN configury.
6172 * config/i386/xm-uwin.h: Remove.
6174 2001-01-08 Nick Clifton <nickc@redhat.com>
6176 * config/v850/v850.c (ra_rtx): Delete.
6177 (v850_save_machine_status): Delete.
6178 (v850_restore_machine_status): Delete.
6179 (v850_init_machine_status): New function.
6180 (v850_mark_machine_status): New function.
6181 (v850_free_machine_status): New function.
6182 (v850_return_addr): Use ra_rtx field in machine structure.
6183 (v850_init_expanders): Use new functions.
6185 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
6186 * config/v850/v850.c: Change arguments to v850_output+* functions
6187 to take a const char *, to avoid compile time warning.
6188 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
6189 (USER_LABEL_PREFIX): Redefine.
6191 2000-01-08 Jim Wilson <wilson@redhat.com>
6193 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
6194 1 to unsigned HOST_WIDE_INT before left shift.
6196 2001-01-08 Nick Clifton <nickc@redhat.com>
6198 * config/arm/arm.c (arm_mark_machine_status): Check to see if
6199 the machine structure has been allocated.
6200 (arm_free_machine_status): New function: Free the machine
6201 specific function structure.
6203 2001-01-08 Richard Henderson <rth@redhat.com>
6205 * jump.c (simplejump_p): Revert last change.
6207 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
6209 * cppinit.c (init): Rename init_library.
6210 (cpp_create_reader): Update.
6211 * gcc.c (cpp_options): If -o given, use it as the target of
6212 any -M options.
6214 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6216 * arm.c (arm_arch5e): New variable.
6217 (all_cores): XScale is a 5TE device.
6218 (arm_override_options): Set arm_arch5e.
6219 (arm_init_builtins): __builtin_prefetch is in arch5e.
6220 * arm.h (arm_arch5e): Declare it.
6222 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
6224 * arm.md (define_constants): Add defines for UNSPEC and
6225 UNSPEC_VOLATILE insns. Update all users.
6226 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
6227 * arm.c (multi_register_push, note_invalid_constants)
6228 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
6229 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
6230 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
6232 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
6234 * jump.c (jump_optimize_1): Use reversed_comparison_code
6235 instead of can_reverse_comparison_p.
6236 (jump_back_p): Likewise.
6237 (invert_exp_1): Likewise.
6238 (thread_jumps): Likewise.
6239 * simplify-rtx.c (simplify_unary_operation): Likewise.
6240 (simplify_ternary_operation): Likewise.
6241 * cse.c (find_comparison_args): Convert to use
6242 can_reverse_comparison_p.
6243 (record_jump_equiv): Likewise.
6245 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6247 * arm.h (HARD_REGNO_RENAME_OK): Delete.
6248 (EPILOGUE_USES): Define.
6249 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
6250 automatically stack the LR if it isn't live.
6252 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
6254 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
6255 properly.
6257 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
6259 * ggc-page.c (max_alignment): New structure.
6260 (MAX_ALIGNMENT): New macro.
6261 (init_ggc): Use it to round up the sizes in the
6262 extra_order_size_table.
6264 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6266 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
6267 after reload.
6269 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6271 * builtins.def (BUILT_IN_FPRINTF): New entry.
6273 * c-common.c (c_expand_builtin_fprintf): New function.
6274 (init_function_format_info): Handle __builtin_fprintf.
6275 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
6276 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
6278 * c-decl.c (duplicate_decls): Adjust comment.
6280 * extend.texi (fprintf): Document new builtin.
6282 2001-01-07 Richard Henderson <rth@redhat.com>
6284 * jump.c (simplejump_p): Recognize any single_set jump
6285 of the proper form.
6287 2001-01-07 Richard Henderson <rth@redhat.com>
6289 * configure.in (slibdir): Accept an --with-slibdir option.
6290 Use "test" not "[" in configure. Default to $(libdir).
6292 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
6293 fix typo in rm -f.
6294 * config/t-aix43 (SHLIB_INSTALL): Likewise.
6295 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
6296 (SHLIB_LINK): Create links for the soname.
6297 * config/mips/t-iris6: Likewise.
6298 * config/sparc/t-slibgcc: Likewise.
6299 * config/sparc/t-slibgcc-sld: Likewise.
6301 2001-01-07 Jakub Jelinek <jakub@redhat.com>
6303 * config/i386/i386.c (constant_call_address_operand): Accept
6304 (const (plus (symbol_ref) (const_int))).
6305 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
6306 constant_call_address_operand.
6308 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6310 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
6311 and LONG_LONG_TYPE_SIZE > 32.
6313 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6315 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
6316 the previous change.
6318 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
6320 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
6321 New.
6322 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
6323 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
6324 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
6325 Declare.
6327 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6329 * fix-header.c (read_scan_file): s/pfile/scan_in/.
6331 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6333 * c-lang.c (c_post_options): Call cpp_post_options.
6334 * objc/objc-act.c (objc_post_options): Similarly.
6335 * cppmain.c (main): Similarly.
6336 * fix-header.c (read_scan_file): Similarly.
6337 * cppinit.c (cpp_start_read): Move option consistency checks
6338 to cpp_post_options. Don't call init_dependency_output.
6339 If needed, add default target and main file dependency.
6340 (OPT_MD, OPT_MMD): Remove.
6341 (OPT_MF): New.
6342 (cpp_handle_option): Update for OPT_* changes.
6343 (cpp_post_options): New.
6344 (init_dependency_output): Command line -MF overrides environment
6345 variables. Don't set default target etc. Suppress output
6346 if dependencies are going to stdout.
6347 (print_help): Update.
6348 * cpplib.h (cpp_post_options): New.
6349 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
6351 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
6353 * jump.c (comparison_dominates_p): Support unordered compares.
6355 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
6357 * simplify-rtx.c (simplify_relational_operation): Always simplify
6358 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
6359 and UNGE.
6361 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
6363 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
6364 (nonzero_bits): Likewise.
6365 (simplify_comparison): Likewise.
6366 (num_sign_bit_copies): Likewise; return more sane value depending
6367 on STORE_FLAG_VALUE.
6368 (known_cond): Do not assume EQ to be always true for equivalent
6369 operands.
6371 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
6373 * cse.c (fold_rtx): Handle unordered comparisons.
6375 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
6377 * rtlanal.c (set_of_1): New static function.
6378 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
6379 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
6380 reg_set_last_last_regno): Remove.
6381 (set_of): New global function.
6382 (set_of_data): New structure.
6383 (reg_set_p, reg_set_last): Revamp for set_of.
6384 * rtl.h (set_of): New.
6386 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
6388 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
6389 * extend.texi: Document _Exit builtin.
6391 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6393 * (initialize, initialize_builtins,
6394 initialize_dependency_output, initialize_standard_includes):
6395 Rename s/initialize/init. Update.
6396 (init_dependency_output): Move to after
6397 cpp_handle_options, the correct location temporally at least.
6398 (opt_comp): Move next to init (), its caller. Fix prototype.
6399 (init): Make "initialized" local scope.
6400 (cpp_create_reader): Always call init ().
6401 (cpp_start_read): Update.
6402 (output_deps): New function, broken out of cpp_finish.
6403 (cpp_finish): Break out output_deps.
6405 2001-01-07 Richard Henderson <rth@redhat.com>
6407 * collect2.c (COFF specific stuff): Revert 12-06 patch
6408 to prototype system functions.
6410 2001-01-07 Michael Hayes <mhayes@redhat.com>
6412 * hard-reg-set.h: Add multiple include guard.
6413 * basic-block.h (struct loop): Add `sink' field.
6414 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
6415 (emit_iv_add_mult): Delete.
6416 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
6417 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
6418 (unroll_loop): Remove end_insert_before argument.
6419 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
6420 (maybe_eliminate_biv_1): Likewise.
6421 (emit_iv_add_mult): Delete.
6422 (gen_add_mult, loop_regs_update): New.
6423 (loop_insn_emit_after, loop_insn_emit_before): New.
6424 (loop_insn_sink, loop_insn_sink_or_swim): New.
6425 (emit_iv_add_mult): Delete.
6426 (scan_loop): Set loop->sink.
6427 (loop_givs_reduce): Use loop_insn_sink and its ilk.
6428 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
6429 (maybe_eliminate_biv_1): Likewise.
6430 (maybe_eliminate_biv_1): Add basic block argument.
6431 * unroll.c (unroll_loop): Remove end_insert_before argument.
6432 (find_splittable_regs): Likewise.
6433 (find_splittable_regs): Use loop_insn_sink and its ilk.
6434 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
6436 2001-01-07 Michael Hayes <mhayes@redhat.com>
6438 * loop.h (loop_insn_hoist): New prototype.
6439 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
6440 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
6441 (check_dbra_loop, load_mems): Likewise.
6442 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
6443 (find_splittable_givs): Likewise.
6445 2001-01-07 Michael Hayes <mhayes@redhat.com>
6447 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
6449 2001-01-07 Richard Henderson <rth@redhat.com>
6451 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
6453 2001-01-07 Richard Henderson <rth@redhat.com>
6455 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
6456 NO_SHARED_LIBGCC_MULTILIB as required for the target.
6457 * gcc.c (init_spec): Massage the existing libgcc_spec into a
6458 variant that handles a shared libgcc.
6459 (process_command): Always validate -{static,shared}-libgcc.
6460 (do_spec_1): New 'M' case.
6461 * invoke.text (Link Options): Document -{static,shared}-libgcc.
6463 2001-01-07 Richard Henderson <rth@redhat.com>
6465 * Makefile.in (slibdir): New variable.
6466 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
6467 (installdirs): Create slibdir.
6468 (install-libgcc, install-multilib): Defer to libgcc.mk.
6469 * configure.in (slibdir): Substitute.
6470 * mklibgcc.in (install): New target.
6472 * config/t-linux (SHLIB_LINK): Create links for the soname.
6473 (SHLIB_INSTALL): New.
6474 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
6475 * config/mips/t-iris6 (SHLIB_INSTALL): New.
6476 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
6477 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
6478 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
6480 2001-01-07 Richard Henderson <rth@redhat.com>
6482 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
6483 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
6484 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
6486 2001-01-07 Michael Hayes <mhayes@redhat.com>
6488 * loop.c (count_loop_regs_set): Delete.
6489 (load_mems_and_recount_loop_regs_set): Delete.
6490 (loop_regs_scan): Merge common code from count_loop_regs_set,
6491 scan_loop, and load_mems_and_recount_loop_regs_set.
6492 (scan_loop): Call load_mems directly and loop_regs_scan
6493 again if new registers created.
6495 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6497 * toplev.c (main): Call the front-end specific post_options
6498 hook if one is given.
6499 * toplev.h (struct_lang_hooks, lang_hooks): New.
6500 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
6501 for the C front end.
6502 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
6503 lang_hooks for the C++ front end.
6504 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
6505 lang_hooks for the ObjC front end.
6506 * f/com.c (lang_hooks): Hooks for the Fortran front end.
6507 * java/lang.c (lang_hooks): Hooks for the Java front end.
6509 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6511 * c-lex.c (init_c_lex): Request #define / #undef callbacks
6512 for verbose DWARF[2] debugging.
6513 (cb_define, cb_undef): The new callbacks.
6514 * toplev.h (debug_define, debug_undef): Make const correct.
6515 * toplev.c (debug_define, debug_undef): Similarly. Do not
6516 perform the verbosity tests here anymore.
6518 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
6520 * reload.c (subst_reloads): Take INSN argument. When
6521 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
6522 * reload.h (subst_reloads): Adjust prototype.
6523 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
6524 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
6525 present in JUMP_INSNs and copy them to JUMP_LABEL.
6526 * flow.c (find_label_refs, find_basic_blocks_1): Skip
6527 JUMP_INSNs and insns with REG_LABELs that are followed by
6528 JUMP_INSNs with the same REG_LABEL.
6529 * sched-rgn.c (is_cfg_nonregular): Likewise.
6530 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
6531 note is available.
6532 * unroll.c (unroll_loop): Look for REG_LABEL notes in
6533 JUMP_INSNs too.
6534 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
6536 2001-01-06 Richard Henderson <rth@redhat.com>
6538 * loop.c (scan_loop): Use xcalloc for the regs array.
6539 (load_mems_and_recount_loop_regs_set): Zero the new memory
6540 received from xrealloc.
6542 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
6544 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
6546 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
6548 * integrate.c (copy_rtx_and_substitute): When copying
6549 an ignored return value, strip REG_FUNCTION_VALUE_P.
6551 2001-01-06 Michael Hayes <mhayes@redhat.com>
6553 * loop.c (debug_biv, debug_giv): New.
6554 (loop_biv_dump): Break out from ...
6555 (record_biv): ... here.
6556 (loop_giv_dump): Break out from ...
6557 (record_giv): ... here.
6558 (loop_bivs_check): Use print_simple_rtl.
6559 * unroll.c (loop_iterations): Use print_simple_rtl.
6561 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6563 * pa.md (return, return_internal): Modify patterns to prevent regrename
6564 mucking with the return pointer.
6566 2001-01-05 Richard Henderson <rth@redhat.com>
6568 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6570 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6572 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6573 version supplied by Matteo Frigo.
6575 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6577 * cpp.texi: Update for -MQ.
6578 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6579 (cpp_cleanup): Always free pfile->deps.
6580 (initialize_dependency_output): Don't create pfile->deps.
6581 (cpp_handle_option): Similarly.
6582 (OPT_MQ): New.
6583 * gcc.c (cpp_options): Handle -MQ.
6584 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6585 * mkdeps.c (base_name): Remove.
6586 (deps_init): Don't allocate vector space until it's needed.
6587 (deps_free): Only free vectors if allocated.
6588 (deps_add_target, deps_add_dep): Update for initial allocation.
6589 (deps_add_default_target): Don't strip to the base_name.
6591 2001-01-05 DJ Delorie <dj@redhat.com>
6593 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6594 (INIT_EXPANDERS): Define.
6596 * config/v850/v850.c (struct machine_function): Define.
6597 (v850_save_machine_status): New function.
6598 (v850_restore_machine_status): New function.
6599 (v850_return_addr): New function.
6600 (v850_init_expanders): New function.
6602 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6603 and v850_init_expanders.
6605 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6607 * cpplib.h (struct cpp_reader): Add help_only field.
6608 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6609 (cpp_handle_option): Set pfile->help_only if we see -h,
6610 --help, -target-help, or --version. Print version string but
6611 do not set help_only if we see -v or -version. Make text
6612 printed by -v match that printed by (-)-version.
6614 * cppmain.c (main): Exit after option parsing if
6615 pfile->help_only is true.
6617 * toplev.c (independent_decode_option): Call print_version,
6618 then exit, if we see --version (but not -version).
6619 (print_version): Split lengthy message into two lines.
6621 2001-01-05 Nick Clifton <nickc@redhat.com>
6623 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6624 temporary string for initialisation before calling ggc_alloc_string.
6626 2001-01-06 Michael Hayes <mhayes@redhat.com>
6628 * rtl.h (print_simple_rtl): New.
6629 * print-rtl.c (print_simple_rtl): New.
6630 (flag_simple): New.
6631 (print_rtx): Disable printing of flags and modes, etc.,
6632 if `flag_simple` nonzero.
6634 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6636 * function.c (fixup_var_refs): Use push_to_full_sequence where
6637 possible.
6639 2001-01-05 Michael Meissner <meissner@redhat.com>
6641 * flags.h (flag_reorder_blocks): Add declaration.
6642 (flag_rename_block): Ditto.
6644 2001-01-05 DJ Delorie <dj@redhat.com>
6646 * function.c (reorder_blocks): Make sure the flags are all reset
6647 before using them to mark blocks, else a second invocation will
6648 corrupt the block chain.
6649 (reorder_blocks_0): New, resets the flags.
6651 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
6653 * cse.c (find_comparison_args): Stop if the argument is known to
6654 be constant.
6656 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6658 * config/sh/sh.md (movdf): When splitting load into pair of
6659 registers, don't clobber the register used in the address too
6660 early.
6662 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
6664 * varasm.c (mark_constant_pool): Improve initial comments.
6665 (mark_constants): Move marking of constants to mark_constant.
6666 (mark_constant): New function to recursively mark all constants
6667 referred to by a constant.
6669 2001-01-05 Catherine Moore <clm@redhat.com>
6671 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
6673 2001-01-05 Phil Edwards <pme@sources.redhat.com>
6675 * cp/lang-options.h: Bring comment in line with reality.
6676 * f/lang-options.h: Likewise.
6677 * java/lang-options.h: Likewise.
6678 * objc/lang-options.h: Likewise.
6679 * ch/lang-options.h: Likewise.
6680 * f/g77.texi: And update the manual.
6682 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
6683 Denis Chertykov <denisc@overta.ru>
6685 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
6686 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
6687 * config/avr/avr.md (all peepholes that request a scratch register):
6688 Call it, FAIL the peephole if not safe (in interrupt functions).
6690 2001-01-05 Mark Mitchell <mark@codesourcery.com>
6692 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
6694 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
6696 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
6697 Define.
6698 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
6699 BUILT_IN_CREAL and BUILT_IN_CIMAG.
6700 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
6701 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
6702 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
6703 BUILT_IN_CIMAG.
6704 * extend.texi: Document these builtins.
6706 2001-01-05 Daniel Berlin <dberlin@redhat.com>
6708 * c-common.c (lang_get_alias_set): Say we know nothing of
6709 VECTOR_TYPE aliasing.
6711 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
6713 2001-01-05 Bruce Korb <bkorb@gnu.org>
6715 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
6716 their x* equivalent versions for atexit-less systems
6717 * fixinc/fixincl.c(main): do not return from main() on atexit-less
6718 systems (or any other system any more).
6720 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
6722 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
6723 output operands. Use arm_hard_register_operand for operand 4.
6724 (stmsi_postinc): Similarly.
6725 (ldmsi): Use arm_hard_register_operand for opernand 2.
6726 (stmsi): Similarly.
6727 * arm.c (arm_hard_register_operand): New function.
6728 * arm-protos.h (arm_hard_register_operand): Prototype it.
6730 * arm.h (HARD_REGNO_RENAME_OK): Define.
6732 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
6734 * simplify-rtx.c (cfc_args): add "unordered" field.
6735 (check_fold_consts): Set unordered field.
6736 (simplify_relational_operation): Simplify the unordered
6737 comparisons.
6739 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
6740 is valid.
6742 * emit-rtl.c (try_split): Fix code to mark labels.
6743 * jump.c (mark_jump_label): Make global.
6744 * rtl.h (mark_jump_label): Declare.
6746 * predict.c (estimate_probability): Handle unordred comparisons.
6748 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6750 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
6751 * cppinit.c (initialize_dependency_output): Update.
6752 (cpp_finish): Output dummy targets for -MP.
6753 (OPT_MP): New.
6754 (cpp_handle_option): Handle -MP. Don't quote -MT options.
6755 * cpplib.h (struct cpp_options): Add deps_phony_targets.
6756 * gcc.c (cpp_options): Update to handle -MP.
6757 * mkdeps.c (deps_add_target, deps_add_default_target): Update
6758 to quote only the default target.
6759 (deps_phony_targets): Insert a preceding newline. Rename from
6760 deps_dummy_targets for consistency.
6761 * mkdeps.h: Update
6763 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6765 * calls.c (emit_library_call_value_1): Support
6766 INIT_CUMULATIVE_LIBCALL_ARGS.
6767 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
6769 2001-01-04 Richard Henderson <rth@redhat.com>
6771 * c-decl.c (finish_struct): Detect flexible array members
6772 used in an inappropriate context.
6773 * c-typeck.c (really_start_incremental_init): Special case
6774 constructor_max_index for zero length arrays.
6775 (pop_init_level): Allow initialization of flexible array
6776 members. Deprecate initialization of zero length arrays.
6777 Don't issue missing initializer warning for flexible array
6778 members or zero length arrays.
6779 (process_init_element): Don't dereference null DECL_SIZE.
6780 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6781 Don't abort for empty constructors. Use size_binop
6782 (output_constructor): Add commentary regarding zero length
6783 array futures. Abort if we try to initialize an array of
6784 unspecified length with a non-empty constructor in the middle
6785 of a structure.
6787 * extend.texi (Zero Length): Update and clarify documentation
6788 on static initialization.
6790 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6792 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6793 with more than 32767 words of local storage.
6795 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6797 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6798 for 'abs', 'labs', and 'fabs'.
6799 (c4x_expand_builtin): Likewise.
6800 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
6802 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6804 * config/sh/sh.md (prget, prset): New insn types.
6805 (return delay slot): Dont' allow prset.
6806 (call, sfunc delay slot): Don't allow prget.
6807 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
6808 for prset and prget.
6810 2001-01-05 Michael Hayes <mhayes@redhat.com>
6812 * loop.h (struct loop_reg): New.
6813 (struct loop_regs): Change to use array of `struct loop_reg'.
6814 * loop.c: Replace assortment of varrays with single regs array.
6815 (count_one_set): Delete may_not_move array argument
6816 and use regs array instead. All caller's changed.
6817 (count_loop_regs_set): Delete may_not_move and single_usage
6818 arguments and use regs array instead. All caller's changed.
6819 (find_single_use_in_loop): Replace usage array argument with pointer
6820 to regs structure. All caller's changed.
6821 (loop_optimize): Delete `moved_once' array.
6823 2001-01-05 Michael Hayes <mhayes@redhat.com>
6825 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
6826 Use it instead of loop_info->has_call for scanning loop mems.
6827 (check_dbra_loop): Replace loop_info->has_call test with
6828 loop_info->has_nonconst_call.
6830 2000-01-04 Matthew Hiller <hiller@redhat.com>
6832 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
6833 for TARGET_SH3E.
6835 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6837 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
6838 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
6840 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6842 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
6843 (flag_short_double, flag_short_wchar): Define.
6844 (c_common_nodes_and_builtins): Create many tree nodes shared
6845 between C and C++ here instead of in cp/decl.c and ...
6846 * c-decl.c (init_decl_processing): ... here.
6847 (SIZE_TYPE, WCHAR_TYPE): Don't define.
6848 (flag_short_double, flag_short_wchar): Don't define.
6849 (record_builtin_type): New function.
6850 (build_void_list_node): New function.
6851 * c-common.h (flag_short_double, flag_short_wchar,
6852 record_builtin_type, build_void_list_node): Declare.
6854 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6856 * integrate.c (expand_inline_function): Don't put a virtual
6857 register into the reg map.
6859 * function.c (fixup_var_refs_1): If force_operand didn't put
6860 the address into the target, move it there.
6862 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6864 Special-case tree_decl/tree_list allocations.
6865 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6866 (OBJECT_SIZE): New macro.
6867 (NUM_EXTRA_ORDER): Likewise.
6868 (extra_order_size_table): New variable.
6869 (NUM_ORDERS): New macro.
6870 (objects_per_page_table): New variable.
6871 (object_size_table): New variable.
6872 (G.pages): Use NUM_ORDERS to bound the array.
6873 (G.page_tails): Likewise.
6874 (DIV_ROUND_UP): Remove.
6875 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6876 (alloc_page): Use OBJECT_SIZE.
6877 (size_lookup): Don't make it const.
6878 (ggc_alloc): Use OBJECT_SIZE.
6879 (ggc_set_mark): Likewise.
6880 (ggc_get_size): Likewise.
6881 (init_ggc): Set up the object_size_table, objects_per_page_table,
6882 and adjust size_lookup.
6883 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6884 (ggc_pop_context): Use NUM_ORDERS.
6885 (clear_marks): Likewise.
6886 (sweep_pages): Likewise.
6887 (poison_pages): Likewise.
6888 (ggc_print_statistics): Use OBJECT_SIZE.
6890 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6892 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6893 Only call array_size_for_constructor if last field and array type
6894 with no upper bound.
6896 2001-01-04 Philip Blundell <philb@gnu.org>
6898 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6899 from bit 31 downwards, if this requires no more insns.
6900 (count_insns_for_constant): New helper function for above.
6902 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6904 * gencodes.c (output_predicate_decls): Remove empty initializer.
6906 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6908 * tree.c (copy_node): Remove documentation about obstacks.
6909 (buidl1): Check that nobody tries to build 2-argument nodes this
6910 way.
6912 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6914 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6915 fp_high_losum_p.
6917 * gencodes.c (output_predicate_decls): Fill empty initializer
6918 braces.
6920 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6922 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6923 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6924 or -MM.
6925 (do_include): Handle missing headers like cpp0.
6926 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6927 paths with first include pathname. Don't strcat to uninitialized
6928 string.
6930 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6932 * regrename.c (regrename_optimize): Don't rename from frame pointer
6933 if frame_pointer_needed.
6934 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6935 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6936 (ia64_reorg): Use it instead of scheduling if ! optimize.
6937 (errata_emit_nops): Properly call asm_noperands.
6938 (ia64_sched_reorder): Finish cycle if we see an asm.
6939 (ia64_variable_issue): Clear scheduling state after asms.
6941 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6943 * cpp.texi: Update for -MT.
6944 * cppinit.c (initialize_dependency_output): Add a default
6945 target if none has been given already.
6946 (no_tgt, OPT_MT): New.
6947 (cpp_handle_option): Handle -MT. Update -M etc.
6948 * cpplib.h (struct cpp_options): Remove deps_target.
6949 * gcc.c (cpp_options): Handle -MT.
6950 * mkdeps.c (struct deps): Move from mkdeps.h.
6951 (deps_calc_target): Rename deps_add_default_target. Add a
6952 default target if none has been specified already.
6953 * mkdeps.h (struct deps): Move to mkdeps.c.
6954 (deps_calc_target): Rename deps_add_default_target.
6956 2000-01-03 Richard Henderson <rth@redhat.com>
6958 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6959 Remove dead code.
6960 * c-typeck.c (push_init_level): Move checks for flexible array
6961 members and zero length arrays ...
6962 (pop_init_level): ... here. Silently discard empty initializations.
6963 Remove dead code.
6964 * varasm.c (output_constructor): Update for sizeof change to
6965 zero-length arrays.
6967 * extend.texi (Zero Length): Clarify semantics.
6969 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6971 * configure.in (tm.h): Include isns-codes.h last.
6972 * configure: Rebuilt.
6974 2001-01-03 Richard Henderson <rth@redhat.com>
6976 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6977 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6979 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6981 * tradcpp.c (main): Make sure finclude() is called with a valid
6982 indepth value while handling -include.
6984 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6986 * gencodes.c (output_predicate_decls): New function.
6987 (main): Call it.
6988 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6989 even if it is not the first time machmode.h is #included.
6990 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6991 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6992 * gcc.texi (Copyright): Added 2001.
6994 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6996 * c-common.c (c_common_lang_init): New function. Warn if format
6997 warning options which only have effects when used with -Wformat
6998 are used without -Wformat.
6999 * c-common.h (c_common_lang_init): Declare.
7000 * c-lang.c (lang_init): Call c_common_lang_init.
7001 * objc/objc-act.c (lang_init): Call c_common_lang_init.
7003 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7005 * configure.in: Check for the mktemp command.
7006 * configure: Regenerate.
7007 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
7008 $TEMP. Create temporary files with mktemp, if available at
7009 configure time; otherwise use set -C. Remove temporary files
7010 before exit.
7012 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7014 * configure.in: Require at least texinfo 4.0. Check for whether
7015 Pod::Man is sufficiently recent to regenerate GCC manpages.
7016 * configure: Regenerate.
7017 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
7018 on #!.
7019 (GENERATED_MANPAGES): Define.
7020 (generated-manpages): New target. Depend on cpp.1 as well as
7021 gcov.1.
7022 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
7023 configure to generated-manpages or empty) rather than on the
7024 manpages directly. Remove execute permission from installed
7025 gcov.1 as well as cpp.1.
7026 * cpp.1, gcov.1: Regenerate.
7028 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7030 * builtins.c (expand_builtin_strncmp): Use host_integerp and
7031 tree_low_cst. Allow using cmpstrsi in more cases.
7033 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7035 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
7036 sized types.
7038 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
7040 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
7041 * Makefile.in (HOST_CFLAGS): Mention build-make.
7043 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7045 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
7046 as JUMP_INSN.
7048 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7050 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
7051 a REG rtx.
7053 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
7054 callers changed.
7056 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
7057 reg_base_value and reg_known_value arrays.
7058 (init_alias_analysis): Add more cases to detect known values.
7059 * sched-deps.c (deps_may_trap_p): New function.
7060 (sched_analyze_2): Use it.
7062 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7064 * combine.c (simplify_shift_const): Even if we're sign-extracting,
7065 don't discard an ASHIFTRT if we're shifting in a wider mode.
7067 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7069 * toplev.c (rest_of_compilation): Don't print basic block information
7070 when CFG isn't up to date.
7072 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
7074 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
7075 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
7076 (UNALIGNED_SHORT_ASM_OP): Define.
7077 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
7079 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7081 * fold-const.c (fold_convert): Fix typo.
7083 2001-01-02 Richard Henderson <rth@redhat.com>
7085 * c-common.h (ASM_INPUT_P): New.
7086 * c-parse.in (asm): Set it when needed.
7087 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
7088 existance of an operand.
7090 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
7092 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
7093 (dwarf2out_frame_debug_expr): Likewise.
7094 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
7096 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
7098 * i386.c (ix86_split_to_parts): Return number of part required;
7099 handle TFmodes.
7100 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
7101 TFmodes.
7102 (ix86_split_long_move): Use number of part returned
7103 by ix86_split_to_parts
7104 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
7105 New macros.
7106 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
7107 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
7108 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
7109 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
7110 (ALIGN_MODE_128): Add TFmode.
7111 (IS_STACK_MODE): Likewise.
7112 (HARD_REGNO_NREGS): TFmode needs 3 registers.
7113 (HARD_REGNO_OK): Support TFmodes.
7114 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
7115 * i386.md (scheduler definitions): Use memory operand to determine
7116 fst/fld instructions; use mode attribute to determine real mode of
7117 the instruction.
7118 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
7119 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
7121 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7123 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
7125 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7127 * expr.c (store_constructor_field): Update ALIGN before calling
7128 store_constructor.
7130 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7132 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
7133 host_integerp.
7135 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7137 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
7138 incomplete type.
7140 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7142 * c-decl.c (start_function): Don't warn on third parameter to main.
7144 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7146 * tsystem.h: Define HAVE_DECL_GETOPT.
7148 2001-01-02 Philip Blundell <pb@futuretv.com>
7150 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
7151 of input operand.
7153 2001-01-02 Richard Henderson <rth@redhat.com>
7155 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
7157 2001-01-02 Andreas Jaeger <aj@suse.de>
7159 * c-decl.c (c_decode_option): Remove support of
7160 -Wmissing-noreturn.
7162 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
7163 (W_options): Add -Wmissing-noreturn here.
7165 * flow.c: Define lang_missing_noreturn_ok_p.
7166 (check_function_return_warnings): Use it.
7168 * c-common.h: Declare lang_missing_noreturn_ok_p.
7170 * c-lang.c (c_missing_noreturn_ok_p): New function.
7171 (lang_init): Set lang_missing_noreturn_ok_p.
7173 * invoke.texi (Warning Options): Document this.
7175 2000-12-27 Phil Edwards <pme@sources.redhat.com>
7177 * extend.texi (C++ Extensions): New node for C++ attributes;
7178 describe init_priority and com_interface.
7179 * invoke.texi: Remove -finit-priority as it now has zero effect.
7180 * install.texi: Fix xref syntax.
7181 * md.texi: Likewise.
7183 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7185 * config.gcc (sparc64-wrs-vxworks*): New case.
7186 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
7188 * config/sparc/sparc.c (sparc_override_options): Do support different
7189 pointer and architecture size.
7190 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
7191 (POINTERS_EXTEND_UNSIGNED): Define.
7192 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
7193 (FUNCTION_MODE): Define to be Pmode.
7194 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
7196 * function.c (expand_function_end): Properly handle DECL_RESULT
7197 and copy when ptr_mode != Pmode.
7198 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
7200 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7202 * c-common.c (c_common_nodes_and_builtins): Set prototype
7203 parameters for __builtin_fputs, __builtin_fputc and
7204 __builtin_fwrite. Don't declare plain fputc as a builtin.
7206 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7208 * loop.c (add_label_notes): Increment the label usage count when
7209 a note is added to an insn which refers to a CODE_LABEL.
7210 * gcse.c (add_label_notes): Likewise.
7212 2001-01-01 Andreas Jaeger <aj@suse.de>
7214 * loop.c (scan_loop): Use xmalloc to allocate movables.
7216 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
7218 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
7219 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
7220 * reload1.c (REGISTER_MOVE_COST): Likewise.
7221 * regclass.c (REGISTER_MOVE_COST): Likewise.
7222 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
7223 dimension. Adjust all users.
7224 (init_reg_sets_1): Iterate on all modes.
7225 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
7226 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
7227 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
7228 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
7229 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
7230 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
7231 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
7232 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
7233 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
7234 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
7235 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
7236 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
7237 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
7238 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
7239 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
7240 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
7241 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
7242 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
7243 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
7244 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
7245 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
7246 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
7247 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
7248 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
7249 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
7250 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
7251 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
7253 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7255 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
7256 arg VARIES_P. Call it with extra arg.
7257 (true_dependence): Likewise.
7258 * rtl.h (rtx_addr_can_trap_p): Declare.
7259 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
7260 prototypes.
7261 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
7262 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
7263 pic offset table register if it's zero. All callers changed.
7264 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
7266 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7268 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
7269 STRING_POOL_ADDRESS_P.
7271 * config/sparc/sparc.c (input_operand): Properly test for short op.
7273 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
7274 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
7275 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
7276 * config/sparc/elf.h: No longer include sol2.h.
7277 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
7278 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
7280 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
7282 2001-01-01 Michael Hayes <mhayes@redhat.com>
7284 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
7285 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
7286 (record_initial): Likewise.
7287 * unroll.c (copy_loop_body, loop_iterations): Likewise.
7288 (remap_split_bivs): Likewise.
7290 2001-01-01 Michael Hayes <mhayes@redhat.com>
7292 * loop.c (loop_ivs_free): New function.
7293 (strength_reduce): Break out from...
7295 2001-01-01 Michael Hayes <mhayes@redhat.com>
7297 * loop.h (struct iv): New.
7298 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
7299 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
7300 'reg_biv_class' fields with 'regs' and 'n_regs'.
7301 (struct ivs): Rename 'loop_iv_list' field to 'list'.
7302 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
7303 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
7305 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
7307 * resource.c (mark_referenced_resources): Abort() before
7308 attempting to mark a pseudo register.
7309 (mark_set_resources): Likewise.
7311 2001-01-01 Michael Hayes <mhayes@redhat.com>
7313 * loop.h (REG_IV_CLASS): New accessor macro.
7314 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
7315 * unroll.c (REG_IV_CLASS): Likewise.
7317 See ChangeLog.4 for earlier changes.