1 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4 cpp_get_options rather than dereferencing pfile and using
6 * scan-decls.c (scan_decls): Use return value of
7 cpp_pop_buffer rather than CPP_BUFFER.
9 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11 * cppinit.c (cpp_handle_option): help_only is now part of the
12 cpp_options structure.
13 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
14 cpp_set_callbacks): New functions.
15 * cpplib.h (cpp_callbacks): Break out as a named structure.
16 (cpp_options): Move help_only here from cpp_reader.
17 (CPP_FATAL_ERRORS): Update to use cpp_errors.
18 (cpp_errors, cpp_get_options, cpp_get_callbacks,
19 cpp_set_callbacks): New prototypes.
20 * cppmain.c (main): Update for help_only.
22 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
24 * Makefile.in (info, maintainer-clean, install-info, uninstall):
25 Also build and remove and install and uninstall c-tree.info and
27 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
28 ($(srcdir)/cppinternals.info): New target.
29 * c-tree.texi: Change file name used when makeinfo used without -o
30 from ir.info to c-tree.info. Add info directory entry.
31 * cppinternals.texi: Add info directory entry.
34 2001-01-12 Jakub Jelinek <jakub@redhat.com>
36 * c-typeck.c (store_init_value): Don't require constant initializer
37 elements with -pedantic -std=c99.
38 (digest_init): Change error about non-constant initializer elements
40 (constructor_range_end): Remove.
41 (constructor_incremental, designator_depth,
42 designator_errorneous): New variables.
43 (struct constructor_stack): Remove range_end, add incremental.
44 (struct constructor_range_stack, constructor_range_stack): New.
45 (struct initializer_stack): Add constructor_range_stack.
46 (finish_init): Set it.
47 (start_init): Likewise. require_constant_elements for non-static
48 trees only if not flag_isoc99.
49 (really_start_incremental_init): Remove constructor_range_end, add
50 constructor_incremental.
51 (pop_init_level): Likewise.
52 (push_init_level): Likewise. If implicit and the subobject had some
53 value set already, preinitialize the level with it.
54 Warn about missing braces only if not pushing due to designators.
55 (set_designator, push_range_stack): New functions.
56 (set_init_label): Use them.
57 (set_init_index): Likewise. Remove constructor_range_end.
58 Error if designator index is outside of array bounds.
59 (add_pending_init): Compare values of purpose index trees, not the
60 trees themselves. Allow overwriting of already initialized element.
61 Issue a warning if it had side-effects.
62 (set_nonincremental_init, set_nonincremental_init_from_string): New
64 (pending_init_member): Rename to...
65 (find_init_member): ...this function. Call set_nonincremental_init
66 if necessary. Compare values of purpose index trees, not the trees
67 themselves. Return the actual value, not just non-zero if something
69 (output_init_element): Remove checks for duplicates.
70 If field has zero size, only check the initializer for correctness.
71 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
72 if constructor_incremental is zero. Change error about initializers
73 not computable at load time into pedwarn.
74 (output_pending_init_elements): Compare bit positions, not
75 FIELD_DECLs to take into account zero-sized fields.
76 (process_init_element): Use constructor_range_stack to fill all
77 ranges in the designator lists from current level up.
78 * extend.texi: Update documentation for labeled elements.
80 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
82 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
83 to function usage for arguments passed by reference. Optimize
84 callee-copied arguments.
85 * regmove.c (replace_in_call_usage): New function.
86 (fixup_match_1): Call it.
87 * cse.c (cse_insn): Canonicalize registers in function usage.
88 * reload1.c (replace_pseudos_in_call_usage): New function.
91 * Makefile.in: Reverted yesterday's wrong patch. Installed the
94 2001-01-12 Jakub Jelinek <jakub@redhat.com>
96 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
99 2001-01-12 DJ Delorie <dj@redhat.com>
101 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
102 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
105 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
107 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
108 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
109 -std options alongside references to -ansi. Update some
110 documentation for C99.
113 2001-01-12 Andreas Jaeger <aj@suse.de>
115 * haifa-sched.c (restore_line_notes): Remove argument block B
117 * sched-ebb.c (schedule_ebb): Change caller.
118 * sched-rgn.c (schedule_region): Likewise.
119 * sched-int.h (restore_line_notes): Adjust prototype.
121 * loop.h: Remove wrong declaration of doloop_condition_get.
123 2001-01-12 Phil Edwards <pme@sources.redhat.com>
125 * extend.texi: Move C++-extension-related node from the C section
126 into the C++ section.
128 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
130 * extend.texi: Refer to an array of pointers to functions instead
133 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
134 Jan Hubicka <jh@suse.cz>
136 * combine.c (reversed_comparison): Fix typo in last patch.
138 (combine_reversed_comparison_code): Make static to follow
139 prototype declaration.
141 2001-01-12 Phil Edwards <pme@sources.redhat.com>
143 * install.texi: Remove misplaced duplicate entry.
145 2001-01-11 Ulrich Drepper <drepper@redhat.com>
147 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
149 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
151 * final.c: (leaf_function_p): Fix typo.
153 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
155 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
156 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
158 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
159 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
160 mmap_anon, and valloc is available.
161 * ggc-page.c: Restructure ifdef logic to match new autoconf
162 spec. Don't throw away the test page in init_ggc.
164 * configure, config.in: Regenerate.
166 2001-01-12 Michael Hayes <mhayes@redhat.com>
168 * loop.h (total_biv_increment): Constify iv_class pointer.
169 (struct induction): Replace `mem_mode' with `mem' rtx.
170 * unroll.c (total_biv_increment): Constify iv_class pointer.
171 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
172 (find_mem_givs, combine_givs_p): Likewise.
173 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
175 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
177 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
179 (__gthread_getspecific): Ditto.
181 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
183 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
184 put_condition_code): Convert fp comparison codes to integer
186 (ix86_expand_fp_compare): Postnote the fp comparison code converison
189 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
190 * i386-protos.h (no_comparison_operator): Kill.
192 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
194 * combine.c (REVERSIBLE_CC_MODE): Remove.
195 (reversible_comparison_p): Remove.
196 (combine_reversed_comparison_code): New.
197 (reversed_comparison): New.
198 (combine_simplify_rtx): Use
199 combine_reversed_comparison_code/reversed_comparison instead
200 of reversible_comparison_p.
201 (simplify_if_then_else): Likewise.
202 (simplify_set): Likewise.
203 (simplify_logical): Likewise.
204 (if_then_else_cond): Likewise.
205 (known_cond): Likewise.
206 (simplify_comparison): Likewise.
208 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
210 * builtins.c (std_expand_builtin_va_start): Handle varargs when
211 sizeof (int) is larger than sizeof(__word__).
213 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
215 * cppinit.c (do_includes): Fix typo.
217 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
219 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
220 in S_REGS does not occur because not all sources are possible
221 when a S_REGS is a destination (sometimes needs a clobber).
222 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
223 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
224 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
225 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
226 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
227 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
228 (lshrdi_const1, lshrsi3_const16): Likewise.
229 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
230 (*movhi_68hc12, *movqi_68hc12): Likewise.
231 (movstrictqi): Make sure reloading in D_REGS as a destination
234 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
236 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
238 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
240 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
241 -D, -U and -A, and don't initialize the builtins.
242 (do_includes): Error if -include or -imacros with -fpreprocessed.
243 * cppmain.c (cb_define, cb_undef): Unconditionally process
245 * tradcpp.c (main): Fix typo.
247 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
249 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
250 (read_name_map): Use IS_ABSOLUTE_PATH.
251 * tradcpp.c (get_filename): Likewise.
253 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
255 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
256 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
257 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
258 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
259 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
260 (cmphi_z_used): Don't use '@' for the output.
261 (tstqi_z_used): Likewise.
262 (cmpqi_z_used): Likewise.
263 (one_cmplsi2): Likewise.
265 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
267 * config/sh/sh.c (barrier_align): Recognize branch around far
268 branch and redundant insn.
270 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
272 * invoke.texi: Restore documentation of the drivers' switches -MD
275 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
277 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
279 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
280 check-objc//%): Support parallel testing of multilibs.
281 (TESTSUITEDIR): Set to testsuite by default, but override for
283 (check-gcc, check-g++, check-g77, check-objc): Enter
286 2001-01-11 Bernd Schmidt <bernds@redhat.com>
288 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
289 * sched-deps.c (deps_may_trap_p): Likewise.
290 * basic-block.h: Remove a comment.
291 * flow.c (PROP_POSTRELOAD): Remove.
292 (update_life_info): Don't add it to prop_flags.
293 (mark_set_1): Lose the code that was enabled by it.
295 2001-01-11 Michael Hayes <mhayes@redhat.com>
297 * flow.c (flow_call_edges_add): New.
298 * basic_block.h (flow_call_edges_add): New.
300 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
302 * reload1.c (move2add_note_store): Update reg_set_luid even if
303 base reg remains the same.
305 2001-01-10 Nick Clifton <nickc@redhat.com>
307 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
308 machine_function structure to zero.
309 Add prototypes for machine_status functions.
311 2001-01-10 Mark Mitchell <mark@codesourcery.com>
313 * c-common.h (CTI_VOID_LIST): Remove.
314 (void_list_node): Likewise.
315 * tree.h (TI_VOID_LIST_NODE): New enumeral.
316 (void_list_node): New macro.
317 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
318 * config/i386/i386.c (ix86_init_builtins): Likewise.
319 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
321 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
323 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
324 * cppinit.c (cpp_start_read): Update comment, remove unneeded
326 * tradcpp.c: Include mkdeps.h.
327 (deps, print_deps_phony_targets, deps_append, output_deps,
328 init_dependency_output, output_deps): New.
329 (deps_buffer, deps_allocated_size, deps_size, deps_column,
330 deps_output): Delete.
331 (print_deps_missing_files): Rename deps_missing_files.
332 (inhibit_output): Make global.
333 (main): Delete inhibit_output, deps_stream, deps_target.
334 Use mkdeps functionality in the same way as cpplib. Remove
335 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
336 -M and -MM. Remove old handling of deps via deps_out, and
337 old reading of environment variables.
338 (get_filename): Update to use deps_add_dep.
340 2001-01-10 Mark Mitchell <mark@codesourcery.com>
342 * output.h (make_function_rtl): Remove prototype.
343 (make_decl_rtl): Likewise.
344 * varasm.c (make_function_rtl): Remove.
345 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
346 than from a third parameter.
347 * tree.h (make_decl_rtl): Remove last parameter.
348 * c-decl.c (builtin_function): Remove last argument in call to
349 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
350 (start_function): Likewise.
351 * except.c (call_get_eh_context): Likewise.
352 * expr.c (emit_block_move): Likewise.
353 (clear_storage): Likewise.
354 * profile.c (output_func_start_profiler): Likewise.
355 * toplev.c (rest_of_decl_compilation): Likewise.
356 * objc/objc-act.c (create_builtin_decl): Likewise.
357 (synth_module_prologue): Likewise.
358 (generate_static_reference): Likewise.
359 (build_selector_reference_decl): Likewise.
360 (build_class_reference_decl): Likewise.
361 (build_objc_string_decl): Likewise.
362 (build_protocol_reference): Likewise.
364 2001-01-10 Richard Henderson <rth@redhat.com>
366 * hwint.h: Revert yesterday's change.
368 2001-01-10 Nick Clifton <nickc@redhat.com>
370 * function.h (save_machine_status): Delete.
371 (restore_machine_status): Delete.
372 Amend comment describing {init|mark|free}_machine_status.
374 * function.c (save_machine_status): Delete.
375 (restore_machine_status): Delete.
376 Amend comment describing {init|mark|free}_machine_status.
377 (push_function_context_to): Remove invocation of
379 (pop_function_context_from): Remove invocation of
380 restore_machine_status.
382 * emit-rtl.c (init_emit_once): Amend comment describing
383 {init|mark|free}_machine_status.
385 * tm.texi (Per-Function Data): New node. Describe the
386 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
389 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
391 * cppinit.c (OPT_g): Remove.
392 (cpp_handle_option): Update for removed -g3.
393 (print_help): Update.
394 * cpplib.h (struct cpp_options): Remove debug_output.
395 * cppmain.c (setup_callbacks, cb_define): Update.
396 * gcc.c (cpp_options): Translate -g3 to -dD.
398 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
400 * config/i960/i960.md: Change modifier to + on the zero_extract
401 pattern after the (rotate -2 reg) canonicalization pattern.
403 2001-01-10 Richard Henderson <rth@redhat.com>
405 * config/alpha/alpha.c (alpha_free_machine_status): New.
406 (override_options): Install it.
407 (alpha_mark_machine_status): Verify machine non-null.
408 * config/i386/i386.c (ix86_free_machine_status): New.
409 (override_options): Install it.
410 (ix86_init_machine_status): Use xcalloc.
411 (ix86_mark_machine_status): Verify machine non-null.
412 * config/ia64/ia64.c (ia64_free_machine_status): New.
413 (ia64_override_options): Install it.
414 (ia64_mark_machine_status): Verify machine non-null.
416 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
418 * function.c (instantiate_virtual_regs): Instantiate virtual
419 registers found in CALL_INSN_FUNCTION_USAGE.
421 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
423 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
424 equivalent to -ansi in disabling -Di386.
426 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
428 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
430 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
432 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
434 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
436 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
438 * invoke.texi: Document that -fcond-mismatch isn't supported for
441 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
443 * gcc.texi: Define macro gcctabopt.
444 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
445 @command, @env and @option in some places where appropriate. Use
446 @gcctabopt where appropriate. Put URLs and email addresses inside
449 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
451 * gcc.c (cpp_options): Set MD file name from output
452 filename, if specified.
453 (suffix_subst): New static variable.
455 (do_spec_1, case '.'): Handle new `%.suffix' spec.
457 (give_switch): Handle suffix_subst.
459 2001-01-10 Phil Edwards <pme@sources.redhat.com>
461 * invoke.texi: Fix another typo.
463 2001-01-10 Phil Edwards <pme@sources.redhat.com>
465 * invoke.texi: Fix typo.
467 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
469 * c-lang.c (lang_hooks): Update.
470 (lang_decode_option): Remove.
471 (lang_init_options): Rename c_init_options.
472 * toplev.c (main): Use lang_hooks for lang_init_options
473 and lang_decode_option.
474 * toplev.h (lang_hooks): Add 2 new hooks.
475 * tree.h: Remove lang_init_options and lang_decode_option.
476 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
477 * cp/decl2.c: Similarly.
478 * cp/lex.c (lang_init_options): Rename cxx_init_options.
479 (lang_hooks): Update.
480 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
482 (lang_init_options): Rename ffe_init_options.
483 (lang_hooks): Update.
484 (lang_decode_option): Remove.
485 * java/lang.c (lang_init_options): Rename java_init_options.
486 (lang_decode_option): Rename java_decode_option.
487 (lang_hooks): Update.
488 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
489 (lang_decode_option): Rename objc_decode_option.
490 (lang_hooks): Update.
492 2001-01-09 Nick Clifton <nickc@redhat.com>
494 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
495 (d30v_return_addr_rtx): Delete.
496 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
497 cfun->machine structure.
498 (struct machine_function): Move to d30v.h
499 (d30v_save_machine_status): Delete.
500 (d30v_restore_machine_status): Delete.
501 (d30v_init_machine_status): New Function.
502 (d30v_mark_machine_status): New Function.
503 (d30v_free_machine_status): New Function.
504 (d30v_init_expanders): Use new functions.
505 (d30v_return_addr): Use ra_rtx field in cfun->machine.
506 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
507 d30v_return_addr_rtx.
509 * config/d30v/d30v.h (struct_machine): Move here.
510 Add eh_epilogue_sp_ofs field.
512 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
513 field in cfun->machine structure.
515 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
517 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
518 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
519 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
521 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
523 * objc/lang-options.h: Remove bogus reference to
526 2001-01-09 Kazu Hirata <kazu@hxi.com>
528 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
531 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
533 * reload.c (find_reloads_address): Check for eliminable registers
534 when substituting a constant expression for a pseudo.
536 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
538 * c-common.c (enum format_type): Add format_type_error.
539 (decode_format_type): New function.
540 (decl_attributes): Use it.
541 (format_kind_info): Adjust comment.
543 2001-01-09 David O'Brien <obrien@BSDi.com>
545 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
546 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
548 * config/i386/gnu.h: Don't include required platform specific .h files,
549 tm.h will do it instead.
550 * config/i386/i386elf.h: Likewise.
551 * config/i386/linux.h: Likewise.
552 * config/i386/moss.h: Likewise.
553 * config/mips/gnu.h: Likewise.
555 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
557 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
558 (rs6000-ibm-aix3.[01]*): Likewise.
559 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
560 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
561 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
562 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
563 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
564 (powerpc-*-eabiaix*): Likewise.
565 (powerpc-*-eabisim*): Likewise.
566 (powerpc-*-elf*): Likewise.
567 (powerpc-*-eabi*): Likewise.
568 (powerpc-*-rtems*): Likewise.
569 (powerpc-*-linux*libc1): Likewise.
570 (powerpc-*-linux*): Likewise.
571 (powerpc-wrs-vxworks*): Likewise.
572 (powerpcle-wrs-vxworks*): Likewise.
573 (powerpcle-*-sysv*): Likewise.
574 (powerpcle-*-elf*): Likewise.
575 (powerpcle-*-eabisim*): Likewise.
576 (powerpcle-*-eabi*): Likewise.
577 (powerpcle-*-solaris2*): Likewise.
578 * config/rs6000/aix31.h: Delete includes.
579 * config/rs6000/aix3newas.h: Likewise.
580 * config/rs6000/aix41.h: Likewise.
581 * config/rs6000/aix43.h: Likewise.
582 * config/rs6000/beos.h: Likewise.
583 * config/rs6000/rtems.h: Likewise.
584 * config/rs6000/sysv4.h: Likewise.
586 2001-01-09 Kazu Hirata <kazu@hxi.com>
588 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
589 Change an argument mode of machine_mode to shift_mode of
590 shift_mode. Remove an extra error check.
591 (emit_a_shift): Adopt to the new calling prototype of
593 (function_prologue): Fix code for a monitor
594 function. Support H8/S.
595 (function_epilogue): Do not output pop for a monitor function.
597 2001-01-09 Nick Clifton <nickc@redhat.com>
599 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
600 (setup_incoming_varargs): Use sysv_varargs_p field of the
601 cfun->machine structure.
602 (struct machine_function): Move to rs6000.h
603 (rs6000_save_machine_status): Delete.
604 (rs6000_restore_machine_status): Delete.
605 (rs6000_init_machine_status): New Function.
606 (rs6000_free_machine_status): New Function.
607 (rs6000_init_expanders): Use new functions.
609 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
611 (struct machine_function): Move here.
613 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
614 sysv_varargs_p field of the cfun->machine structure.
616 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
618 (rs6000_restore_machine_status): Remove prototype.
620 2001-01-09 Richard Henderson <rth@redhat.com>
622 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
623 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
624 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
625 (sched_analyze_2, sched_analyze_insn): Likewise.
626 (sched_analyze, init_deps): Likewise.
627 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
628 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
629 (compute_block_backward_dependences): Update propagate_deps call.
631 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
633 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
635 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
637 * cppinit.c (OPT_MD, OPT_MMD): Restore.
638 (cpp_handle_option): Handle them.
639 (cpp_post_options): Ensure one of -M or -MM is specified with
640 any other -M? option.
641 (init_dependency_output): Suppress output with -MG.
643 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
646 * invoke.texi: Update.
648 2001-01-09 Bernd Schmidt <bernds@redhat.com>
650 * sh.md (reload_outsf): Generate recognizable patterns for
653 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
655 * c-lang.c (lang_hooks): Update.
656 (lang_init): Rename c_init.
657 (lang_finish): Remove.
658 * toplev.c (compile_file): Use lang_hooks for lang_init ()
660 * toplev.h (lang_hooks): Add init () and finish ().
661 * tree.h (lang_init, lang_finish): Remove.
662 * cp/tree.h (lang_init, lang_finish): Remove.
663 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
664 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
666 (lang_init, lang_finish): Remove.
667 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
668 (lang_hooks): Update.
669 * java/lang.c (lang_init): Rename java_init.
670 (lang_finish): Remove.
671 (lang_hooks): Update.
672 * objc/objc-act.c (lang_init): Rename objc_init.
673 (lang_finish): Remove.
674 (lang_hoooks): Update.
676 20001-01-09 Graham Stott <grahams@redhat.com>
678 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
679 after `ptr` is initialised.
681 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
683 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
684 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
685 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
686 stack adjusts, instead of r3.
688 2001-01-09 Michael Hayes <mhayes@redhat.com>
690 * flow.c (flow_loop_scan): Break out of ...
691 (flow_loops_find) ... here.
692 * basic-block.h (flow_loop_scan): New.
693 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
694 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
696 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
698 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
700 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
701 realloc()ing macro_buffer.
703 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
704 if it's wider than long and the target's long is wider than the
707 2001-01-09 Mark Mitchell <mark@codesourcery.com>
709 Remove support for using UWIN as a host machine.
710 * configure.in: Issue an error message.
711 * configure: Regenerated.
712 * config.gcc: Remove xm_* UWIN configury.
713 * config/i386/xm-uwin.h: Remove.
715 2001-01-08 Nick Clifton <nickc@redhat.com>
717 * config/v850/v850.c (ra_rtx): Delete.
718 (v850_save_machine_status): Delete.
719 (v850_restore_machine_status): Delete.
720 (v850_init_machine_status): New function.
721 (v850_mark_machine_status): New function.
722 (v850_free_machine_status): New function.
723 (v850_return_addr): Use ra_rtx field in machine structure.
724 (v850_init_expanders): Use new functions.
726 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
727 * config/v850/v850.c: Change arguments to v850_output+* functions
728 to take a const char *, to avoid compile time warning.
729 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
730 (USER_LABEL_PREFIX): Redefine.
732 2000-01-08 Jim Wilson <wilson@redhat.com>
734 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
735 1 to unsigned HOST_WIDE_INT before left shift.
737 2001-01-08 Nick Clifton <nickc@redhat.com>
739 * config/arm/arm.c (arm_mark_machine_status): Check to see if
740 the machine structure has been allocated.
741 (arm_free_machine_status): New function: Free the machine
742 specific function structure.
744 2001-01-08 Richard Henderson <rth@redhat.com>
746 * jump.c (simplejump_p): Revert last change.
748 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
750 * cppinit.c (init): Rename init_library.
751 (cpp_create_reader): Update.
752 * gcc.c (cpp_options): If -o given, use it as the target of
755 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
757 * arm.c (arm_arch5e): New variable.
758 (all_cores): XScale is a 5TE device.
759 (arm_override_options): Set arm_arch5e.
760 (arm_init_builtins): __builtin_prefetch is in arch5e.
761 * arm.h (arm_arch5e): Declare it.
763 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
765 * arm.md (define_constants): Add defines for UNSPEC and
766 UNSPEC_VOLATILE insns. Update all users.
767 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
768 * arm.c (multi_register_push, note_invalid_constants)
769 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
770 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
771 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
773 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
775 * jump.c (jump_optimize_1): Use reversed_comparison_code
776 instead of can_reverse_comparison_p.
777 (jump_back_p): Likewise.
778 (invert_exp_1): Likewise.
779 (thread_jumps): Likewise.
780 * simplify-rtx.c (simplify_unary_operation): Likewise.
781 (simplify_ternary_operation): Likewise.
782 * cse.c (find_comparison_args): Convert to use
783 can_reverse_comparison_p.
784 (record_jump_equiv): Likewise.
786 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
788 * arm.h (HARD_REGNO_RENAME_OK): Delete.
789 (EPILOGUE_USES): Define.
790 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
791 automatically stack the LR if it isn't live.
793 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
795 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
798 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
800 * ggc-page.c (max_alignment): New structure.
801 (MAX_ALIGNMENT): New macro.
802 (init_ggc): Use it to round up the sizes in the
803 extra_order_size_table.
805 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
807 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
810 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
812 * builtins.def (BUILT_IN_FPRINTF): New entry.
814 * c-common.c (c_expand_builtin_fprintf): New function.
815 (init_function_format_info): Handle __builtin_fprintf.
816 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
817 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
819 * c-decl.c (duplicate_decls): Adjust comment.
821 * extend.texi (fprintf): Document new builtin.
823 2001-01-07 Richard Henderson <rth@redhat.com>
825 * jump.c (simplejump_p): Recognize any single_set jump
828 2001-01-07 Richard Henderson <rth@redhat.com>
830 * configure.in (slibdir): Accept an --with-slibdir option.
831 Use "test" not "[" in configure. Default to $(libdir).
833 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
835 * config/t-aix43 (SHLIB_INSTALL): Likewise.
836 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
837 (SHLIB_LINK): Create links for the soname.
838 * config/mips/t-iris6: Likewise.
839 * config/sparc/t-slibgcc: Likewise.
840 * config/sparc/t-slibgcc-sld: Likewise.
842 2001-01-07 Jakub Jelinek <jakub@redhat.com>
844 * config/i386/i386.c (constant_call_address_operand): Accept
845 (const (plus (symbol_ref) (const_int))).
846 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
847 constant_call_address_operand.
849 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
851 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
852 and LONG_LONG_TYPE_SIZE > 32.
854 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
856 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
859 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
861 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
863 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
864 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
865 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
868 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
870 * fix-header.c (read_scan_file): s/pfile/scan_in/.
872 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
874 * c-lang.c (c_post_options): Call cpp_post_options.
875 * objc/objc-act.c (objc_post_options): Similarly.
876 * cppmain.c (main): Similarly.
877 * fix-header.c (read_scan_file): Similarly.
878 * cppinit.c (cpp_start_read): Move option consistency checks
879 to cpp_post_options. Don't call init_dependency_output.
880 If needed, add default target and main file dependency.
881 (OPT_MD, OPT_MMD): Remove.
883 (cpp_handle_option): Update for OPT_* changes.
884 (cpp_post_options): New.
885 (init_dependency_output): Command line -MF overrides environment
886 variables. Don't set default target etc. Suppress output
887 if dependencies are going to stdout.
888 (print_help): Update.
889 * cpplib.h (cpp_post_options): New.
890 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
892 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
894 * jump.c (comparison_dominates_p): Support unordered compares.
896 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
898 * simplify-rtx.c (simplify_relational_operation): Always simplify
899 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
902 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
904 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
905 (nonzero_bits): Likewise.
906 (simplify_comparison): Likewise.
907 (num_sign_bit_copies): Likewise; return more sane value depending
909 (known_cond): Do not assume EQ to be always true for equivalent
912 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
914 * cse.c (fold_rtx): Handle unordered comparisons.
916 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
918 * rtlanal.c (set_of_1): New static function.
919 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
920 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
921 reg_set_last_last_regno): Remove.
922 (set_of): New global function.
923 (set_of_data): New structure.
924 (reg_set_p, reg_set_last): Revamp for set_of.
925 * rtl.h (set_of): New.
927 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
929 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
930 * extend.texi: Document _Exit builtin.
932 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
934 * (initialize, initialize_builtins,
935 initialize_dependency_output, initialize_standard_includes):
936 Rename s/initialize/init. Update.
937 (init_dependency_output): Move to after
938 cpp_handle_options, the correct location temporally at least.
939 (opt_comp): Move next to init (), its caller. Fix prototype.
940 (init): Make "initialized" local scope.
941 (cpp_create_reader): Always call init ().
942 (cpp_start_read): Update.
943 (output_deps): New function, broken out of cpp_finish.
944 (cpp_finish): Break out output_deps.
946 2001-01-07 Richard Henderson <rth@redhat.com>
948 * collect2.c (COFF specific stuff): Revert 12-06 patch
949 to prototype system functions.
951 2001-01-07 Michael Hayes <mhayes@redhat.com>
953 * hard-reg-set.h: Add multiple include guard.
954 * basic-block.h (struct loop): Add `sink' field.
955 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
956 (emit_iv_add_mult): Delete.
957 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
958 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
959 (unroll_loop): Remove end_insert_before argument.
960 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
961 (maybe_eliminate_biv_1): Likewise.
962 (emit_iv_add_mult): Delete.
963 (gen_add_mult, loop_regs_update): New.
964 (loop_insn_emit_after, loop_insn_emit_before): New.
965 (loop_insn_sink, loop_insn_sink_or_swim): New.
966 (emit_iv_add_mult): Delete.
967 (scan_loop): Set loop->sink.
968 (loop_givs_reduce): Use loop_insn_sink and its ilk.
969 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
970 (maybe_eliminate_biv_1): Likewise.
971 (maybe_eliminate_biv_1): Add basic block argument.
972 * unroll.c (unroll_loop): Remove end_insert_before argument.
973 (find_splittable_regs): Likewise.
974 (find_splittable_regs): Use loop_insn_sink and its ilk.
975 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
977 2001-01-07 Michael Hayes <mhayes@redhat.com>
979 * loop.h (loop_insn_hoist): New prototype.
980 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
981 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
982 (check_dbra_loop, load_mems): Likewise.
983 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
984 (find_splittable_givs): Likewise.
986 2001-01-07 Michael Hayes <mhayes@redhat.com>
988 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
990 2001-01-07 Richard Henderson <rth@redhat.com>
992 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
994 2001-01-07 Richard Henderson <rth@redhat.com>
996 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
997 NO_SHARED_LIBGCC_MULTILIB as required for the target.
998 * gcc.c (init_spec): Massage the existing libgcc_spec into a
999 variant that handles a shared libgcc.
1000 (process_command): Always validate -{static,shared}-libgcc.
1001 (do_spec_1): New 'M' case.
1002 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1004 2001-01-07 Richard Henderson <rth@redhat.com>
1006 * Makefile.in (slibdir): New variable.
1007 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1008 (installdirs): Create slibdir.
1009 (install-libgcc, install-multilib): Defer to libgcc.mk.
1010 * configure.in (slibdir): Substitute.
1011 * mklibgcc.in (install): New target.
1013 * config/t-linux (SHLIB_LINK): Create links for the soname.
1014 (SHLIB_INSTALL): New.
1015 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1016 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1017 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1018 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1019 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1021 2001-01-07 Richard Henderson <rth@redhat.com>
1023 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1024 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1025 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1027 2001-01-07 Michael Hayes <mhayes@redhat.com>
1029 * loop.c (count_loop_regs_set): Delete.
1030 (load_mems_and_recount_loop_regs_set): Delete.
1031 (loop_regs_scan): Merge common code from count_loop_regs_set,
1032 scan_loop, and load_mems_and_recount_loop_regs_set.
1033 (scan_loop): Call load_mems directly and loop_regs_scan
1034 again if new registers created.
1036 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1038 * toplev.c (main): Call the front-end specific post_options
1039 hook if one is given.
1040 * toplev.h (struct_lang_hooks, lang_hooks): New.
1041 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1042 for the C front end.
1043 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1044 lang_hooks for the C++ front end.
1045 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1046 lang_hooks for the ObjC front end.
1047 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1048 * java/lang.c (lang_hooks): Hooks for the Java front end.
1050 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1052 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1053 for verbose DWARF[2] debugging.
1054 (cb_define, cb_undef): The new callbacks.
1055 * toplev.h (debug_define, debug_undef): Make const correct.
1056 * toplev.c (debug_define, debug_undef): Similarly. Do not
1057 perform the verbosity tests here anymore.
1059 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1061 * reload.c (subst_reloads): Take INSN argument. When
1062 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1063 * reload.h (subst_reloads): Adjust prototype.
1064 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1065 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1066 present in JUMP_INSNs and copy them to JUMP_LABEL.
1067 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1068 JUMP_INSNs and insns with REG_LABELs that are followed by
1069 JUMP_INSNs with the same REG_LABEL.
1070 * sched-rgn.c (is_cfg_nonregular): Likewise.
1071 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1073 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1075 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1077 2001-01-06 Richard Henderson <rth@redhat.com>
1079 * loop.c (scan_loop): Use xcalloc for the regs array.
1080 (load_mems_and_recount_loop_regs_set): Zero the new memory
1081 received from xrealloc.
1083 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1085 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1087 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1089 * integrate.c (copy_rtx_and_substitute): When copying
1090 an ignored return value, strip REG_FUNCTION_VALUE_P.
1092 2001-01-06 Michael Hayes <mhayes@redhat.com>
1094 * loop.c (debug_biv, debug_giv): New.
1095 (loop_biv_dump): Break out from ...
1096 (record_biv): ... here.
1097 (loop_giv_dump): Break out from ...
1098 (record_giv): ... here.
1099 (loop_bivs_check): Use print_simple_rtl.
1100 * unroll.c (loop_iterations): Use print_simple_rtl.
1102 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1104 * pa.md (return, return_internal): Modify patterns to prevent regrename
1105 mucking with the return pointer.
1107 2001-01-05 Richard Henderson <rth@redhat.com>
1109 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1111 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1113 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1114 version supplied by Matteo Frigo.
1116 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1118 * cpp.texi: Update for -MQ.
1119 * cppinit.c (cpp_create_reader): Always create pfile->deps.
1120 (cpp_cleanup): Always free pfile->deps.
1121 (initialize_dependency_output): Don't create pfile->deps.
1122 (cpp_handle_option): Similarly.
1124 * gcc.c (cpp_options): Handle -MQ.
1125 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1126 * mkdeps.c (base_name): Remove.
1127 (deps_init): Don't allocate vector space until it's needed.
1128 (deps_free): Only free vectors if allocated.
1129 (deps_add_target, deps_add_dep): Update for initial allocation.
1130 (deps_add_default_target): Don't strip to the base_name.
1132 2001-01-05 DJ Delorie <dj@redhat.com>
1134 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
1135 (INIT_EXPANDERS): Define.
1137 * config/v850/v850.c (struct machine_function): Define.
1138 (v850_save_machine_status): New function.
1139 (v850_restore_machine_status): New function.
1140 (v850_return_addr): New function.
1141 (v850_init_expanders): New function.
1143 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1144 and v850_init_expanders.
1146 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1148 * cpplib.h (struct cpp_reader): Add help_only field.
1149 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1150 (cpp_handle_option): Set pfile->help_only if we see -h,
1151 --help, -target-help, or --version. Print version string but
1152 do not set help_only if we see -v or -version. Make text
1153 printed by -v match that printed by (-)-version.
1155 * cppmain.c (main): Exit after option parsing if
1156 pfile->help_only is true.
1158 * toplev.c (independent_decode_option): Call print_version,
1159 then exit, if we see --version (but not -version).
1160 (print_version): Split lengthy message into two lines.
1162 2001-01-05 Nick Clifton <nickc@redhat.com>
1164 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1165 temporary string for initialisation before calling ggc_alloc_string.
1167 2001-01-06 Michael Hayes <mhayes@redhat.com>
1169 * rtl.h (print_simple_rtl): New.
1170 * print-rtl.c (print_simple_rtl): New.
1172 (print_rtx): Disable printing of flags and modes, etc.,
1173 if `flag_simple` nonzero.
1175 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1177 * function.c (fixup_var_refs): Use push_to_full_sequence where
1180 2001-01-05 Michael Meissner <meissner@redhat.com>
1182 * flags.h (flag_reorder_blocks): Add declaration.
1183 (flag_rename_block): Ditto.
1185 2001-01-05 DJ Delorie <dj@redhat.com>
1187 * function.c (reorder_blocks): Make sure the flags are all reset
1188 before using them to mark blocks, else a second invocation will
1189 corrupt the block chain.
1190 (reorder_blocks_0): New, resets the flags.
1192 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
1194 * cse.c (find_comparison_args): Stop if the argument is known to
1197 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1199 * config/sh/sh.md (movdf): When splitting load into pair of
1200 registers, don't clobber the register used in the address too
1203 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
1205 * varasm.c (mark_constant_pool): Improve initial comments.
1206 (mark_constants): Move marking of constants to mark_constant.
1207 (mark_constant): New function to recursively mark all constants
1208 referred to by a constant.
1210 2001-01-05 Catherine Moore <clm@redhat.com>
1212 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
1214 2001-01-05 Phil Edwards <pme@sources.redhat.com>
1216 * cp/lang-options.h: Bring comment in line with reality.
1217 * f/lang-options.h: Likewise.
1218 * java/lang-options.h: Likewise.
1219 * objc/lang-options.h: Likewise.
1220 * ch/lang-options.h: Likewise.
1221 * f/g77.texi: And update the manual.
1223 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
1224 Denis Chertykov <denisc@overta.ru>
1226 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
1227 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
1228 * config/avr/avr.md (all peepholes that request a scratch register):
1229 Call it, FAIL the peephole if not safe (in interrupt functions).
1231 2001-01-05 Mark Mitchell <mark@codesourcery.com>
1233 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
1235 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
1237 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
1239 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
1240 BUILT_IN_CREAL and BUILT_IN_CIMAG.
1241 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
1242 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
1243 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
1245 * extend.texi: Document these builtins.
1247 2001-01-05 Daniel Berlin <dberlin@redhat.com>
1249 * c-common.c (lang_get_alias_set): Say we know nothing of
1250 VECTOR_TYPE aliasing.
1252 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
1254 2001-01-05 Bruce Korb <bkorb@gnu.org>
1256 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
1257 their x* equivalent versions for atexit-less systems
1258 * fixinc/fixincl.c(main): do not return from main() on atexit-less
1259 systems (or any other system any more).
1261 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
1263 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
1264 output operands. Use arm_hard_register_operand for operand 4.
1265 (stmsi_postinc): Similarly.
1266 (ldmsi): Use arm_hard_register_operand for opernand 2.
1268 * arm.c (arm_hard_register_operand): New function.
1269 * arm-protos.h (arm_hard_register_operand): Prototype it.
1271 * arm.h (HARD_REGNO_RENAME_OK): Define.
1273 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
1275 * simplify-rtx.c (cfc_args): add "unordered" field.
1276 (check_fold_consts): Set unordered field.
1277 (simplify_relational_operation): Simplify the unordered
1280 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
1283 * emit-rtl.c (try_split): Fix code to mark labels.
1284 * jump.c (mark_jump_label): Make global.
1285 * rtl.h (mark_jump_label): Declare.
1287 * predict.c (estimate_probability): Handle unordred comparisons.
1289 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1291 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
1292 * cppinit.c (initialize_dependency_output): Update.
1293 (cpp_finish): Output dummy targets for -MP.
1295 (cpp_handle_option): Handle -MP. Don't quote -MT options.
1296 * cpplib.h (struct cpp_options): Add deps_phony_targets.
1297 * gcc.c (cpp_options): Update to handle -MP.
1298 * mkdeps.c (deps_add_target, deps_add_default_target): Update
1299 to quote only the default target.
1300 (deps_phony_targets): Insert a preceding newline. Rename from
1301 deps_dummy_targets for consistency.
1304 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1306 * calls.c (emit_library_call_value_1): Support
1307 INIT_CUMULATIVE_LIBCALL_ARGS.
1308 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
1310 2001-01-04 Richard Henderson <rth@redhat.com>
1312 * c-decl.c (finish_struct): Detect flexible array members
1313 used in an inappropriate context.
1314 * c-typeck.c (really_start_incremental_init): Special case
1315 constructor_max_index for zero length arrays.
1316 (pop_init_level): Allow initialization of flexible array
1317 members. Deprecate initialization of zero length arrays.
1318 Don't issue missing initializer warning for flexible array
1319 members or zero length arrays.
1320 (process_init_element): Don't dereference null DECL_SIZE.
1321 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
1322 Don't abort for empty constructors. Use size_binop
1323 (output_constructor): Add commentary regarding zero length
1324 array futures. Abort if we try to initialize an array of
1325 unspecified length with a non-empty constructor in the middle
1328 * extend.texi (Zero Length): Update and clarify documentation
1329 on static initialization.
1331 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1333 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
1334 with more than 32767 words of local storage.
1336 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1338 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
1339 for 'abs', 'labs', and 'fabs'.
1340 (c4x_expand_builtin): Likewise.
1341 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
1343 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1345 * config/sh/sh.md (prget, prset): New insn types.
1346 (return delay slot): Dont' allow prset.
1347 (call, sfunc delay slot): Don't allow prget.
1348 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
1349 for prset and prget.
1351 2001-01-05 Michael Hayes <mhayes@redhat.com>
1353 * loop.h (struct loop_reg): New.
1354 (struct loop_regs): Change to use array of `struct loop_reg'.
1355 * loop.c: Replace assortment of varrays with single regs array.
1356 (count_one_set): Delete may_not_move array argument
1357 and use regs array instead. All caller's changed.
1358 (count_loop_regs_set): Delete may_not_move and single_usage
1359 arguments and use regs array instead. All caller's changed.
1360 (find_single_use_in_loop): Replace usage array argument with pointer
1361 to regs structure. All caller's changed.
1362 (loop_optimize): Delete `moved_once' array.
1364 2001-01-05 Michael Hayes <mhayes@redhat.com>
1366 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
1367 Use it instead of loop_info->has_call for scanning loop mems.
1368 (check_dbra_loop): Replace loop_info->has_call test with
1369 loop_info->has_nonconst_call.
1371 2000-01-04 Matthew Hiller <hiller@redhat.com>
1373 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
1376 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1378 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
1379 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
1381 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1383 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
1384 (flag_short_double, flag_short_wchar): Define.
1385 (c_common_nodes_and_builtins): Create many tree nodes shared
1386 between C and C++ here instead of in cp/decl.c and ...
1387 * c-decl.c (init_decl_processing): ... here.
1388 (SIZE_TYPE, WCHAR_TYPE): Don't define.
1389 (flag_short_double, flag_short_wchar): Don't define.
1390 (record_builtin_type): New function.
1391 (build_void_list_node): New function.
1392 * c-common.h (flag_short_double, flag_short_wchar,
1393 record_builtin_type, build_void_list_node): Declare.
1395 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
1397 * integrate.c (expand_inline_function): Don't put a virtual
1398 register into the reg map.
1400 * function.c (fixup_var_refs_1): If force_operand didn't put
1401 the address into the target, move it there.
1403 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1405 Special-case tree_decl/tree_list allocations.
1406 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
1407 (OBJECT_SIZE): New macro.
1408 (NUM_EXTRA_ORDER): Likewise.
1409 (extra_order_size_table): New variable.
1410 (NUM_ORDERS): New macro.
1411 (objects_per_page_table): New variable.
1412 (object_size_table): New variable.
1413 (G.pages): Use NUM_ORDERS to bound the array.
1414 (G.page_tails): Likewise.
1415 (DIV_ROUND_UP): Remove.
1416 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
1417 (alloc_page): Use OBJECT_SIZE.
1418 (size_lookup): Don't make it const.
1419 (ggc_alloc): Use OBJECT_SIZE.
1420 (ggc_set_mark): Likewise.
1421 (ggc_get_size): Likewise.
1422 (init_ggc): Set up the object_size_table, objects_per_page_table,
1423 and adjust size_lookup.
1424 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
1425 (ggc_pop_context): Use NUM_ORDERS.
1426 (clear_marks): Likewise.
1427 (sweep_pages): Likewise.
1428 (poison_pages): Likewise.
1429 (ggc_print_statistics): Use OBJECT_SIZE.
1431 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1433 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
1434 Only call array_size_for_constructor if last field and array type
1435 with no upper bound.
1437 2001-01-04 Philip Blundell <philb@gnu.org>
1439 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
1440 from bit 31 downwards, if this requires no more insns.
1441 (count_insns_for_constant): New helper function for above.
1443 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
1445 * gencodes.c (output_predicate_decls): Remove empty initializer.
1447 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1449 * tree.c (copy_node): Remove documentation about obstacks.
1450 (buidl1): Check that nobody tries to build 2-argument nodes this
1453 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1455 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
1458 * gencodes.c (output_predicate_decls): Fill empty initializer
1461 2001-01-04 Jakub Jelinek <jakub@redhat.com>
1463 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
1464 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
1466 (do_include): Handle missing headers like cpp0.
1467 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
1468 paths with first include pathname. Don't strcat to uninitialized
1471 2001-01-04 Bernd Schmidt <bernds@redhat.com>
1473 * regrename.c (regrename_optimize): Don't rename from frame pointer
1474 if frame_pointer_needed.
1475 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
1476 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
1477 (ia64_reorg): Use it instead of scheduling if ! optimize.
1478 (errata_emit_nops): Properly call asm_noperands.
1479 (ia64_sched_reorder): Finish cycle if we see an asm.
1480 (ia64_variable_issue): Clear scheduling state after asms.
1482 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
1484 * cpp.texi: Update for -MT.
1485 * cppinit.c (initialize_dependency_output): Add a default
1486 target if none has been given already.
1487 (no_tgt, OPT_MT): New.
1488 (cpp_handle_option): Handle -MT. Update -M etc.
1489 * cpplib.h (struct cpp_options): Remove deps_target.
1490 * gcc.c (cpp_options): Handle -MT.
1491 * mkdeps.c (struct deps): Move from mkdeps.h.
1492 (deps_calc_target): Rename deps_add_default_target. Add a
1493 default target if none has been specified already.
1494 * mkdeps.h (struct deps): Move to mkdeps.c.
1495 (deps_calc_target): Rename deps_add_default_target.
1497 2000-01-03 Richard Henderson <rth@redhat.com>
1499 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
1501 * c-typeck.c (push_init_level): Move checks for flexible array
1502 members and zero length arrays ...
1503 (pop_init_level): ... here. Silently discard empty initializations.
1505 * varasm.c (output_constructor): Update for sizeof change to
1508 * extend.texi (Zero Length): Clarify semantics.
1510 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1512 * configure.in (tm.h): Include isns-codes.h last.
1513 * configure: Rebuilt.
1515 2001-01-03 Richard Henderson <rth@redhat.com>
1517 * config/alpha/alpha.md (addvsi3, addvdi3): New.
1518 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
1520 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1522 * tradcpp.c (main): Make sure finclude() is called with a valid
1523 indepth value while handling -include.
1525 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1527 * gencodes.c (output_predicate_decls): New function.
1529 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
1530 even if it is not the first time machmode.h is #included.
1531 * config/sh/sh.c (fpul_operand): Declare MODE argument.
1532 * tm.texi (PREDICATE_CODES): Document predicate declarations.
1533 * gcc.texi (Copyright): Added 2001.
1535 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1537 * c-common.c (c_common_lang_init): New function. Warn if format
1538 warning options which only have effects when used with -Wformat
1539 are used without -Wformat.
1540 * c-common.h (c_common_lang_init): Declare.
1541 * c-lang.c (lang_init): Call c_common_lang_init.
1542 * objc/objc-act.c (lang_init): Call c_common_lang_init.
1544 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1546 * configure.in: Check for the mktemp command.
1547 * configure: Regenerate.
1548 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
1549 $TEMP. Create temporary files with mktemp, if available at
1550 configure time; otherwise use set -C. Remove temporary files
1553 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1555 * configure.in: Require at least texinfo 4.0. Check for whether
1556 Pod::Man is sufficiently recent to regenerate GCC manpages.
1557 * configure: Regenerate.
1558 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
1560 (GENERATED_MANPAGES): Define.
1561 (generated-manpages): New target. Depend on cpp.1 as well as
1563 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
1564 configure to generated-manpages or empty) rather than on the
1565 manpages directly. Remove execute permission from installed
1566 gcov.1 as well as cpp.1.
1567 * cpp.1, gcov.1: Regenerate.
1569 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1571 * builtins.c (expand_builtin_strncmp): Use host_integerp and
1572 tree_low_cst. Allow using cmpstrsi in more cases.
1574 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1576 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
1579 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
1581 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
1582 * Makefile.in (HOST_CFLAGS): Mention build-make.
1584 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1586 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
1589 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1591 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
1594 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
1597 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
1598 reg_base_value and reg_known_value arrays.
1599 (init_alias_analysis): Add more cases to detect known values.
1600 * sched-deps.c (deps_may_trap_p): New function.
1601 (sched_analyze_2): Use it.
1603 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1605 * combine.c (simplify_shift_const): Even if we're sign-extracting,
1606 don't discard an ASHIFTRT if we're shifting in a wider mode.
1608 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1610 * toplev.c (rest_of_compilation): Don't print basic block information
1611 when CFG isn't up to date.
1613 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
1615 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
1616 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
1617 (UNALIGNED_SHORT_ASM_OP): Define.
1618 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
1620 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1622 * fold-const.c (fold_convert): Fix typo.
1624 2001-01-02 Richard Henderson <rth@redhat.com>
1626 * c-common.h (ASM_INPUT_P): New.
1627 * c-parse.in (asm): Set it when needed.
1628 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
1629 existance of an operand.
1631 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
1633 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
1634 (dwarf2out_frame_debug_expr): Likewise.
1635 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
1637 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
1639 * i386.c (ix86_split_to_parts): Return number of part required;
1641 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
1643 (ix86_split_long_move): Use number of part returned
1644 by ix86_split_to_parts
1645 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
1647 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
1648 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
1649 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
1650 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
1651 (ALIGN_MODE_128): Add TFmode.
1652 (IS_STACK_MODE): Likewise.
1653 (HARD_REGNO_NREGS): TFmode needs 3 registers.
1654 (HARD_REGNO_OK): Support TFmodes.
1655 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
1656 * i386.md (scheduler definitions): Use memory operand to determine
1657 fst/fld instructions; use mode attribute to determine real mode of
1659 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
1660 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
1662 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1664 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
1666 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1668 * expr.c (store_constructor_field): Update ALIGN before calling
1671 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1673 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
1676 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1678 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
1681 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1683 * c-decl.c (start_function): Don't warn on third parameter to main.
1685 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1687 * tsystem.h: Define HAVE_DECL_GETOPT.
1689 2001-01-02 Philip Blundell <pb@futuretv.com>
1691 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
1694 2001-01-02 Richard Henderson <rth@redhat.com>
1696 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
1698 2001-01-02 Andreas Jaeger <aj@suse.de>
1700 * c-decl.c (c_decode_option): Remove support of
1703 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
1704 (W_options): Add -Wmissing-noreturn here.
1706 * flow.c: Define lang_missing_noreturn_ok_p.
1707 (check_function_return_warnings): Use it.
1709 * c-common.h: Declare lang_missing_noreturn_ok_p.
1711 * c-lang.c (c_missing_noreturn_ok_p): New function.
1712 (lang_init): Set lang_missing_noreturn_ok_p.
1714 * invoke.texi (Warning Options): Document this.
1716 2000-12-27 Phil Edwards <pme@sources.redhat.com>
1718 * extend.texi (C++ Extensions): New node for C++ attributes;
1719 describe init_priority and com_interface.
1720 * invoke.texi: Remove -finit-priority as it now has zero effect.
1721 * install.texi: Fix xref syntax.
1722 * md.texi: Likewise.
1724 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1726 * config.gcc (sparc64-wrs-vxworks*): New case.
1727 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
1729 * config/sparc/sparc.c (sparc_override_options): Do support different
1730 pointer and architecture size.
1731 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
1732 (POINTERS_EXTEND_UNSIGNED): Define.
1733 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
1734 (FUNCTION_MODE): Define to be Pmode.
1735 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
1737 * function.c (expand_function_end): Properly handle DECL_RESULT
1738 and copy when ptr_mode != Pmode.
1739 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
1741 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1743 * c-common.c (c_common_nodes_and_builtins): Set prototype
1744 parameters for __builtin_fputs, __builtin_fputc and
1745 __builtin_fwrite. Don't declare plain fputc as a builtin.
1747 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1749 * loop.c (add_label_notes): Increment the label usage count when
1750 a note is added to an insn which refers to a CODE_LABEL.
1751 * gcse.c (add_label_notes): Likewise.
1753 2001-01-01 Andreas Jaeger <aj@suse.de>
1755 * loop.c (scan_loop): Use xmalloc to allocate movables.
1757 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
1759 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
1760 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
1761 * reload1.c (REGISTER_MOVE_COST): Likewise.
1762 * regclass.c (REGISTER_MOVE_COST): Likewise.
1763 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
1764 dimension. Adjust all users.
1765 (init_reg_sets_1): Iterate on all modes.
1766 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
1767 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
1768 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
1769 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
1770 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
1771 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
1772 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
1773 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
1774 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
1775 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
1776 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
1777 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
1778 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
1779 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
1780 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
1781 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
1782 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
1783 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
1784 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
1785 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
1786 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
1787 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
1788 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
1789 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
1790 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
1791 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
1792 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
1794 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1796 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
1797 arg VARIES_P. Call it with extra arg.
1798 (true_dependence): Likewise.
1799 * rtl.h (rtx_addr_can_trap_p): Declare.
1800 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
1802 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
1803 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
1804 pic offset table register if it's zero. All callers changed.
1805 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
1807 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1809 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
1810 STRING_POOL_ADDRESS_P.
1812 * config/sparc/sparc.c (input_operand): Properly test for short op.
1814 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
1815 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
1816 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
1817 * config/sparc/elf.h: No longer include sol2.h.
1818 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
1819 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
1821 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
1823 2001-01-01 Michael Hayes <mhayes@redhat.com>
1825 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
1826 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
1827 (record_initial): Likewise.
1828 * unroll.c (copy_loop_body, loop_iterations): Likewise.
1829 (remap_split_bivs): Likewise.
1831 2001-01-01 Michael Hayes <mhayes@redhat.com>
1833 * loop.c (loop_ivs_free): New function.
1834 (strength_reduce): Break out from...
1836 2001-01-01 Michael Hayes <mhayes@redhat.com>
1838 * loop.h (struct iv): New.
1839 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
1840 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
1841 'reg_biv_class' fields with 'regs' and 'n_regs'.
1842 (struct ivs): Rename 'loop_iv_list' field to 'list'.
1843 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
1844 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
1846 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
1848 * resource.c (mark_referenced_resources): Abort() before
1849 attempting to mark a pseudo register.
1850 (mark_set_resources): Likewise.
1852 2001-01-01 Michael Hayes <mhayes@redhat.com>
1854 * loop.h (REG_IV_CLASS): New accessor macro.
1855 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
1856 * unroll.c (REG_IV_CLASS): Likewise.
1858 See ChangeLog.4 for earlier changes.