1 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3 * install.texi: Remove misplaced duplicate entry.
5 2001-01-11 Ulrich Drepper <drepper@redhat.com>
7 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
9 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
11 * final.c: (leaf_function_p): Fix typo.
13 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
15 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
16 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
18 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
19 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
20 mmap_anon, and valloc is available.
21 * ggc-page.c: Restructure ifdef logic to match new autoconf
22 spec. Don't throw away the test page in init_ggc.
24 * configure, config.in: Regenerate.
26 2001-01-12 Michael Hayes <mhayes@redhat.com>
28 * loop.h (total_biv_increment): Constify iv_class pointer.
29 (struct induction): Replace `mem_mode' with `mem' rtx.
30 * unroll.c (total_biv_increment): Constify iv_class pointer.
31 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
32 (find_mem_givs, combine_givs_p): Likewise.
33 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
35 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
37 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
39 (__gthread_getspecific): Ditto.
41 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
43 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
44 put_condition_code): Convert fp comparison codes to integer
46 (ix86_expand_fp_compare): Postnote the fp comparison code converison
49 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
50 * i386-protos.h (no_comparison_operator): Kill.
52 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
54 * combine.c (REVERSIBLE_CC_MODE): Remove.
55 (reversible_comparison_p): Remove.
56 (combine_reversed_comparison_code): New.
57 (reversed_comparison): New.
58 (combine_simplify_rtx): Use
59 combine_reversed_comparison_code/reversed_comparison instead
60 of reversible_comparison_p.
61 (simplify_if_then_else): Likewise.
62 (simplify_set): Likewise.
63 (simplify_logical): Likewise.
64 (if_then_else_cond): Likewise.
65 (known_cond): Likewise.
66 (simplify_comparison): Likewise.
68 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
70 * builtins.c (std_expand_builtin_va_start): Handle varargs when
71 sizeof (int) is larger than sizeof(__word__).
73 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
75 * cppinit.c (do_includes): Fix typo.
77 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
79 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
80 in S_REGS does not occur because not all sources are possible
81 when a S_REGS is a destination (sometimes needs a clobber).
82 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
83 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
84 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
85 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
86 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
87 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
88 (lshrdi_const1, lshrsi3_const16): Likewise.
89 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
90 (*movhi_68hc12, *movqi_68hc12): Likewise.
91 (movstrictqi): Make sure reloading in D_REGS as a destination
94 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
96 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
98 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
100 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
101 -D, -U and -A, and don't initialize the builtins.
102 (do_includes): Error if -include or -imacros with -fpreprocessed.
103 * cppmain.c (cb_define, cb_undef): Unconditionally process
105 * tradcpp.c (main): Fix typo.
107 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
109 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
110 (read_name_map): Use IS_ABSOLUTE_PATH.
111 * tradcpp.c (get_filename): Likewise.
113 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
115 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
116 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
117 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
118 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
119 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
120 (cmphi_z_used): Don't use '@' for the output.
121 (tstqi_z_used): Likewise.
122 (cmpqi_z_used): Likewise.
123 (one_cmplsi2): Likewise.
125 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
127 * config/sh/sh.c (barrier_align): Recognize branch around far
128 branch and redundant insn.
130 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
132 * invoke.texi: Restore documentation of the drivers' switches -MD
135 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
137 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
139 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
140 check-objc//%): Support parallel testing of multilibs.
141 (TESTSUITEDIR): Set to testsuite by default, but override for
143 (check-gcc, check-g++, check-g77, check-objc): Enter
146 2001-01-11 Bernd Schmidt <bernds@redhat.com>
148 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
149 * sched-deps.c (deps_may_trap_p): Likewise.
150 * basic-block.h: Remove a comment.
151 * flow.c (PROP_POSTRELOAD): Remove.
152 (update_life_info): Don't add it to prop_flags.
153 (mark_set_1): Lose the code that was enabled by it.
155 2001-01-11 Michael Hayes <mhayes@redhat.com>
157 * flow.c (flow_call_edges_add): New.
158 * basic_block.h (flow_call_edges_add): New.
160 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
162 * reload1.c (move2add_note_store): Update reg_set_luid even if
163 base reg remains the same.
165 2001-01-10 Nick Clifton <nickc@redhat.com>
167 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
168 machine_function structure to zero.
169 Add prototypes for machine_status functions.
171 2001-01-10 Mark Mitchell <mark@codesourcery.com>
173 * c-common.h (CTI_VOID_LIST): Remove.
174 (void_list_node): Likewise.
175 * tree.h (TI_VOID_LIST_NODE): New enumeral.
176 (void_list_node): New macro.
177 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
178 * config/i386/i386.c (ix86_init_builtins): Likewise.
179 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
181 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
183 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
184 * cppinit.c (cpp_start_read): Update comment, remove unneeded
186 * tradcpp.c: Include mkdeps.h.
187 (deps, print_deps_phony_targets, deps_append, output_deps,
188 init_dependency_output, output_deps): New.
189 (deps_buffer, deps_allocated_size, deps_size, deps_column,
190 deps_output): Delete.
191 (print_deps_missing_files): Rename deps_missing_files.
192 (inhibit_output): Make global.
193 (main): Delete inhibit_output, deps_stream, deps_target.
194 Use mkdeps functionality in the same way as cpplib. Remove
195 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
196 -M and -MM. Remove old handling of deps via deps_out, and
197 old reading of environment variables.
198 (get_filename): Update to use deps_add_dep.
200 2001-01-10 Mark Mitchell <mark@codesourcery.com>
202 * output.h (make_function_rtl): Remove prototype.
203 (make_decl_rtl): Likewise.
204 * varasm.c (make_function_rtl): Remove.
205 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
206 than from a third parameter.
207 * tree.h (make_decl_rtl): Remove last parameter.
208 * c-decl.c (builtin_function): Remove last argument in call to
209 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
210 (start_function): Likewise.
211 * except.c (call_get_eh_context): Likewise.
212 * expr.c (emit_block_move): Likewise.
213 (clear_storage): Likewise.
214 * profile.c (output_func_start_profiler): Likewise.
215 * toplev.c (rest_of_decl_compilation): Likewise.
216 * objc/objc-act.c (create_builtin_decl): Likewise.
217 (synth_module_prologue): Likewise.
218 (generate_static_reference): Likewise.
219 (build_selector_reference_decl): Likewise.
220 (build_class_reference_decl): Likewise.
221 (build_objc_string_decl): Likewise.
222 (build_protocol_reference): Likewise.
224 2001-01-10 Richard Henderson <rth@redhat.com>
226 * hwint.h: Revert yesterday's change.
228 2001-01-10 Nick Clifton <nickc@redhat.com>
230 * function.h (save_machine_status): Delete.
231 (restore_machine_status): Delete.
232 Amend comment describing {init|mark|free}_machine_status.
234 * function.c (save_machine_status): Delete.
235 (restore_machine_status): Delete.
236 Amend comment describing {init|mark|free}_machine_status.
237 (push_function_context_to): Remove invocation of
239 (pop_function_context_from): Remove invocation of
240 restore_machine_status.
242 * emit-rtl.c (init_emit_once): Amend comment describing
243 {init|mark|free}_machine_status.
245 * tm.texi (Per-Function Data): New node. Describe the
246 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
249 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
251 * cppinit.c (OPT_g): Remove.
252 (cpp_handle_option): Update for removed -g3.
253 (print_help): Update.
254 * cpplib.h (struct cpp_options): Remove debug_output.
255 * cppmain.c (setup_callbacks, cb_define): Update.
256 * gcc.c (cpp_options): Translate -g3 to -dD.
258 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
260 * config/i960/i960.md: Change modifier to + on the zero_extract
261 pattern after the (rotate -2 reg) canonicalization pattern.
263 2001-01-10 Richard Henderson <rth@redhat.com>
265 * config/alpha/alpha.c (alpha_free_machine_status): New.
266 (override_options): Install it.
267 (alpha_mark_machine_status): Verify machine non-null.
268 * config/i386/i386.c (ix86_free_machine_status): New.
269 (override_options): Install it.
270 (ix86_init_machine_status): Use xcalloc.
271 (ix86_mark_machine_status): Verify machine non-null.
272 * config/ia64/ia64.c (ia64_free_machine_status): New.
273 (ia64_override_options): Install it.
274 (ia64_mark_machine_status): Verify machine non-null.
276 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
278 * function.c (instantiate_virtual_regs): Instantiate virtual
279 registers found in CALL_INSN_FUNCTION_USAGE.
281 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
283 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
284 equivalent to -ansi in disabling -Di386.
286 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
288 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
290 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
292 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
294 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
296 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
298 * invoke.texi: Document that -fcond-mismatch isn't supported for
301 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
303 * gcc.texi: Define macro gcctabopt.
304 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
305 @command, @env and @option in some places where appropriate. Use
306 @gcctabopt where appropriate. Put URLs and email addresses inside
309 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
311 * gcc.c (cpp_options): Set MD file name from output
312 filename, if specified.
313 (suffix_subst): New static variable.
315 (do_spec_1, case '.'): Handle new `%.suffix' spec.
317 (give_switch): Handle suffix_subst.
319 2001-01-10 Phil Edwards <pme@sources.redhat.com>
321 * invoke.texi: Fix another typo.
323 2001-01-10 Phil Edwards <pme@sources.redhat.com>
325 * invoke.texi: Fix typo.
327 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
329 * c-lang.c (lang_hooks): Update.
330 (lang_decode_option): Remove.
331 (lang_init_options): Rename c_init_options.
332 * toplev.c (main): Use lang_hooks for lang_init_options
333 and lang_decode_option.
334 * toplev.h (lang_hooks): Add 2 new hooks.
335 * tree.h: Remove lang_init_options and lang_decode_option.
336 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
337 * cp/decl2.c: Similarly.
338 * cp/lex.c (lang_init_options): Rename cxx_init_options.
339 (lang_hooks): Update.
340 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
342 (lang_init_options): Rename ffe_init_options.
343 (lang_hooks): Update.
344 (lang_decode_option): Remove.
345 * java/lang.c (lang_init_options): Rename java_init_options.
346 (lang_decode_option): Rename java_decode_option.
347 (lang_hooks): Update.
348 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
349 (lang_decode_option): Rename objc_decode_option.
350 (lang_hooks): Update.
352 2001-01-09 Nick Clifton <nickc@redhat.com>
354 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
355 (d30v_return_addr_rtx): Delete.
356 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
357 cfun->machine structure.
358 (struct machine_function): Move to d30v.h
359 (d30v_save_machine_status): Delete.
360 (d30v_restore_machine_status): Delete.
361 (d30v_init_machine_status): New Function.
362 (d30v_mark_machine_status): New Function.
363 (d30v_free_machine_status): New Function.
364 (d30v_init_expanders): Use new functions.
365 (d30v_return_addr): Use ra_rtx field in cfun->machine.
366 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
367 d30v_return_addr_rtx.
369 * config/d30v/d30v.h (struct_machine): Move here.
370 Add eh_epilogue_sp_ofs field.
372 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
373 field in cfun->machine structure.
375 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
377 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
378 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
379 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
381 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
383 * objc/lang-options.h: Remove bogus reference to
386 2001-01-09 Kazu Hirata <kazu@hxi.com>
388 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
391 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
393 * reload.c (find_reloads_address): Check for eliminable registers
394 when substituting a constant expression for a pseudo.
396 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
398 * c-common.c (enum format_type): Add format_type_error.
399 (decode_format_type): New function.
400 (decl_attributes): Use it.
401 (format_kind_info): Adjust comment.
403 2001-01-09 David O'Brien <obrien@BSDi.com>
405 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
406 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
408 * config/i386/gnu.h: Don't include required platform specific .h files,
409 tm.h will do it instead.
410 * config/i386/i386elf.h: Likewise.
411 * config/i386/linux.h: Likewise.
412 * config/i386/moss.h: Likewise.
413 * config/mips/gnu.h: Likewise.
415 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
417 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
418 (rs6000-ibm-aix3.[01]*): Likewise.
419 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
420 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
421 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
422 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
423 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
424 (powerpc-*-eabiaix*): Likewise.
425 (powerpc-*-eabisim*): Likewise.
426 (powerpc-*-elf*): Likewise.
427 (powerpc-*-eabi*): Likewise.
428 (powerpc-*-rtems*): Likewise.
429 (powerpc-*-linux*libc1): Likewise.
430 (powerpc-*-linux*): Likewise.
431 (powerpc-wrs-vxworks*): Likewise.
432 (powerpcle-wrs-vxworks*): Likewise.
433 (powerpcle-*-sysv*): Likewise.
434 (powerpcle-*-elf*): Likewise.
435 (powerpcle-*-eabisim*): Likewise.
436 (powerpcle-*-eabi*): Likewise.
437 (powerpcle-*-solaris2*): Likewise.
438 * config/rs6000/aix31.h: Delete includes.
439 * config/rs6000/aix3newas.h: Likewise.
440 * config/rs6000/aix41.h: Likewise.
441 * config/rs6000/aix43.h: Likewise.
442 * config/rs6000/beos.h: Likewise.
443 * config/rs6000/rtems.h: Likewise.
444 * config/rs6000/sysv4.h: Likewise.
446 2001-01-09 Kazu Hirata <kazu@hxi.com>
448 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
449 Change an argument mode of machine_mode to shift_mode of
450 shift_mode. Remove an extra error check.
451 (emit_a_shift): Adopt to the new calling prototype of
453 (function_prologue): Fix code for a monitor
454 function. Support H8/S.
455 (function_epilogue): Do not output pop for a monitor function.
457 2001-01-09 Nick Clifton <nickc@redhat.com>
459 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
460 (setup_incoming_varargs): Use sysv_varargs_p field of the
461 cfun->machine structure.
462 (struct machine_function): Move to rs6000.h
463 (rs6000_save_machine_status): Delete.
464 (rs6000_restore_machine_status): Delete.
465 (rs6000_init_machine_status): New Function.
466 (rs6000_free_machine_status): New Function.
467 (rs6000_init_expanders): Use new functions.
469 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
471 (struct machine_function): Move here.
473 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
474 sysv_varargs_p field of the cfun->machine structure.
476 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
478 (rs6000_restore_machine_status): Remove prototype.
480 2001-01-09 Richard Henderson <rth@redhat.com>
482 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
483 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
484 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
485 (sched_analyze_2, sched_analyze_insn): Likewise.
486 (sched_analyze, init_deps): Likewise.
487 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
488 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
489 (compute_block_backward_dependences): Update propagate_deps call.
491 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
493 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
495 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
497 * cppinit.c (OPT_MD, OPT_MMD): Restore.
498 (cpp_handle_option): Handle them.
499 (cpp_post_options): Ensure one of -M or -MM is specified with
500 any other -M? option.
501 (init_dependency_output): Suppress output with -MG.
503 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
506 * invoke.texi: Update.
508 2001-01-09 Bernd Schmidt <bernds@redhat.com>
510 * sh.md (reload_outsf): Generate recognizable patterns for
513 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
515 * c-lang.c (lang_hooks): Update.
516 (lang_init): Rename c_init.
517 (lang_finish): Remove.
518 * toplev.c (compile_file): Use lang_hooks for lang_init ()
520 * toplev.h (lang_hooks): Add init () and finish ().
521 * tree.h (lang_init, lang_finish): Remove.
522 * cp/tree.h (lang_init, lang_finish): Remove.
523 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
524 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
526 (lang_init, lang_finish): Remove.
527 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
528 (lang_hooks): Update.
529 * java/lang.c (lang_init): Rename java_init.
530 (lang_finish): Remove.
531 (lang_hooks): Update.
532 * objc/objc-act.c (lang_init): Rename objc_init.
533 (lang_finish): Remove.
534 (lang_hoooks): Update.
536 20001-01-09 Graham Stott <grahams@redhat.com>
538 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
539 after `ptr` is initialised.
541 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
543 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
544 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
545 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
546 stack adjusts, instead of r3.
548 2001-01-09 Michael Hayes <mhayes@redhat.com>
550 * flow.c (flow_loop_scan): Break out of ...
551 (flow_loops_find) ... here.
552 * basic-block.h (flow_loop_scan): New.
553 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
554 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
556 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
558 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
560 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
561 realloc()ing macro_buffer.
563 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
564 if it's wider than long and the target's long is wider than the
567 2001-01-09 Mark Mitchell <mark@codesourcery.com>
569 Remove support for using UWIN as a host machine.
570 * configure.in: Issue an error message.
571 * configure: Regenerated.
572 * config.gcc: Remove xm_* UWIN configury.
573 * config/i386/xm-uwin.h: Remove.
575 2001-01-08 Nick Clifton <nickc@redhat.com>
577 * config/v850/v850.c (ra_rtx): Delete.
578 (v850_save_machine_status): Delete.
579 (v850_restore_machine_status): Delete.
580 (v850_init_machine_status): New function.
581 (v850_mark_machine_status): New function.
582 (v850_free_machine_status): New function.
583 (v850_return_addr): Use ra_rtx field in machine structure.
584 (v850_init_expanders): Use new functions.
586 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
587 * config/v850/v850.c: Change arguments to v850_output+* functions
588 to take a const char *, to avoid compile time warning.
589 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
590 (USER_LABEL_PREFIX): Redefine.
592 2000-01-08 Jim Wilson <wilson@redhat.com>
594 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
595 1 to unsigned HOST_WIDE_INT before left shift.
597 2001-01-08 Nick Clifton <nickc@redhat.com>
599 * config/arm/arm.c (arm_mark_machine_status): Check to see if
600 the machine structure has been allocated.
601 (arm_free_machine_status): New function: Free the machine
602 specific function structure.
604 2001-01-08 Richard Henderson <rth@redhat.com>
606 * jump.c (simplejump_p): Revert last change.
608 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
610 * cppinit.c (init): Rename init_library.
611 (cpp_create_reader): Update.
612 * gcc.c (cpp_options): If -o given, use it as the target of
615 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
617 * arm.c (arm_arch5e): New variable.
618 (all_cores): XScale is a 5TE device.
619 (arm_override_options): Set arm_arch5e.
620 (arm_init_builtins): __builtin_prefetch is in arch5e.
621 * arm.h (arm_arch5e): Declare it.
623 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
625 * arm.md (define_constants): Add defines for UNSPEC and
626 UNSPEC_VOLATILE insns. Update all users.
627 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
628 * arm.c (multi_register_push, note_invalid_constants)
629 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
630 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
631 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
633 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
635 * jump.c (jump_optimize_1): Use reversed_comparison_code
636 instead of can_reverse_comparison_p.
637 (jump_back_p): Likewise.
638 (invert_exp_1): Likewise.
639 (thread_jumps): Likewise.
640 * simplify-rtx.c (simplify_unary_operation): Likewise.
641 (simplify_ternary_operation): Likewise.
642 * cse.c (find_comparison_args): Convert to use
643 can_reverse_comparison_p.
644 (record_jump_equiv): Likewise.
646 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
648 * arm.h (HARD_REGNO_RENAME_OK): Delete.
649 (EPILOGUE_USES): Define.
650 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
651 automatically stack the LR if it isn't live.
653 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
655 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
658 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
660 * ggc-page.c (max_alignment): New structure.
661 (MAX_ALIGNMENT): New macro.
662 (init_ggc): Use it to round up the sizes in the
663 extra_order_size_table.
665 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
667 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
670 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
672 * builtins.def (BUILT_IN_FPRINTF): New entry.
674 * c-common.c (c_expand_builtin_fprintf): New function.
675 (init_function_format_info): Handle __builtin_fprintf.
676 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
677 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
679 * c-decl.c (duplicate_decls): Adjust comment.
681 * extend.texi (fprintf): Document new builtin.
683 2001-01-07 Richard Henderson <rth@redhat.com>
685 * jump.c (simplejump_p): Recognize any single_set jump
688 2001-01-07 Richard Henderson <rth@redhat.com>
690 * configure.in (slibdir): Accept an --with-slibdir option.
691 Use "test" not "[" in configure. Default to $(libdir).
693 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
695 * config/t-aix43 (SHLIB_INSTALL): Likewise.
696 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
697 (SHLIB_LINK): Create links for the soname.
698 * config/mips/t-iris6: Likewise.
699 * config/sparc/t-slibgcc: Likewise.
700 * config/sparc/t-slibgcc-sld: Likewise.
702 2001-01-07 Jakub Jelinek <jakub@redhat.com>
704 * config/i386/i386.c (constant_call_address_operand): Accept
705 (const (plus (symbol_ref) (const_int))).
706 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
707 constant_call_address_operand.
709 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
711 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
712 and LONG_LONG_TYPE_SIZE > 32.
714 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
716 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
719 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
721 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
723 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
724 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
725 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
728 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
730 * fix-header.c (read_scan_file): s/pfile/scan_in/.
732 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
734 * c-lang.c (c_post_options): Call cpp_post_options.
735 * objc/objc-act.c (objc_post_options): Similarly.
736 * cppmain.c (main): Similarly.
737 * fix-header.c (read_scan_file): Similarly.
738 * cppinit.c (cpp_start_read): Move option consistency checks
739 to cpp_post_options. Don't call init_dependency_output.
740 If needed, add default target and main file dependency.
741 (OPT_MD, OPT_MMD): Remove.
743 (cpp_handle_option): Update for OPT_* changes.
744 (cpp_post_options): New.
745 (init_dependency_output): Command line -MF overrides environment
746 variables. Don't set default target etc. Suppress output
747 if dependencies are going to stdout.
748 (print_help): Update.
749 * cpplib.h (cpp_post_options): New.
750 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
752 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
754 * jump.c (comparison_dominates_p): Support unordered compares.
756 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
758 * simplify-rtx.c (simplify_relational_operation): Always simplify
759 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
762 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
764 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
765 (nonzero_bits): Likewise.
766 (simplify_comparison): Likewise.
767 (num_sign_bit_copies): Likewise; return more sane value depending
769 (known_cond): Do not assume EQ to be always true for equivalent
772 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
774 * cse.c (fold_rtx): Handle unordered comparisons.
776 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
778 * rtlanal.c (set_of_1): New static function.
779 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
780 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
781 reg_set_last_last_regno): Remove.
782 (set_of): New global function.
783 (set_of_data): New structure.
784 (reg_set_p, reg_set_last): Revamp for set_of.
785 * rtl.h (set_of): New.
787 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
789 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
790 * extend.texi: Document _Exit builtin.
792 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
794 * (initialize, initialize_builtins,
795 initialize_dependency_output, initialize_standard_includes):
796 Rename s/initialize/init. Update.
797 (init_dependency_output): Move to after
798 cpp_handle_options, the correct location temporally at least.
799 (opt_comp): Move next to init (), its caller. Fix prototype.
800 (init): Make "initialized" local scope.
801 (cpp_create_reader): Always call init ().
802 (cpp_start_read): Update.
803 (output_deps): New function, broken out of cpp_finish.
804 (cpp_finish): Break out output_deps.
806 2001-01-07 Richard Henderson <rth@redhat.com>
808 * collect2.c (COFF specific stuff): Revert 12-06 patch
809 to prototype system functions.
811 2001-01-07 Michael Hayes <mhayes@redhat.com>
813 * hard-reg-set.h: Add multiple include guard.
814 * basic-block.h (struct loop): Add `sink' field.
815 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
816 (emit_iv_add_mult): Delete.
817 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
818 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
819 (unroll_loop): Remove end_insert_before argument.
820 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
821 (maybe_eliminate_biv_1): Likewise.
822 (emit_iv_add_mult): Delete.
823 (gen_add_mult, loop_regs_update): New.
824 (loop_insn_emit_after, loop_insn_emit_before): New.
825 (loop_insn_sink, loop_insn_sink_or_swim): New.
826 (emit_iv_add_mult): Delete.
827 (scan_loop): Set loop->sink.
828 (loop_givs_reduce): Use loop_insn_sink and its ilk.
829 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
830 (maybe_eliminate_biv_1): Likewise.
831 (maybe_eliminate_biv_1): Add basic block argument.
832 * unroll.c (unroll_loop): Remove end_insert_before argument.
833 (find_splittable_regs): Likewise.
834 (find_splittable_regs): Use loop_insn_sink and its ilk.
835 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
837 2001-01-07 Michael Hayes <mhayes@redhat.com>
839 * loop.h (loop_insn_hoist): New prototype.
840 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
841 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
842 (check_dbra_loop, load_mems): Likewise.
843 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
844 (find_splittable_givs): Likewise.
846 2001-01-07 Michael Hayes <mhayes@redhat.com>
848 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
850 2001-01-07 Richard Henderson <rth@redhat.com>
852 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
854 2001-01-07 Richard Henderson <rth@redhat.com>
856 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
857 NO_SHARED_LIBGCC_MULTILIB as required for the target.
858 * gcc.c (init_spec): Massage the existing libgcc_spec into a
859 variant that handles a shared libgcc.
860 (process_command): Always validate -{static,shared}-libgcc.
861 (do_spec_1): New 'M' case.
862 * invoke.text (Link Options): Document -{static,shared}-libgcc.
864 2001-01-07 Richard Henderson <rth@redhat.com>
866 * Makefile.in (slibdir): New variable.
867 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
868 (installdirs): Create slibdir.
869 (install-libgcc, install-multilib): Defer to libgcc.mk.
870 * configure.in (slibdir): Substitute.
871 * mklibgcc.in (install): New target.
873 * config/t-linux (SHLIB_LINK): Create links for the soname.
874 (SHLIB_INSTALL): New.
875 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
876 * config/mips/t-iris6 (SHLIB_INSTALL): New.
877 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
878 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
879 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
881 2001-01-07 Richard Henderson <rth@redhat.com>
883 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
884 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
885 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
887 2001-01-07 Michael Hayes <mhayes@redhat.com>
889 * loop.c (count_loop_regs_set): Delete.
890 (load_mems_and_recount_loop_regs_set): Delete.
891 (loop_regs_scan): Merge common code from count_loop_regs_set,
892 scan_loop, and load_mems_and_recount_loop_regs_set.
893 (scan_loop): Call load_mems directly and loop_regs_scan
894 again if new registers created.
896 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
898 * toplev.c (main): Call the front-end specific post_options
899 hook if one is given.
900 * toplev.h (struct_lang_hooks, lang_hooks): New.
901 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
903 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
904 lang_hooks for the C++ front end.
905 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
906 lang_hooks for the ObjC front end.
907 * f/com.c (lang_hooks): Hooks for the Fortran front end.
908 * java/lang.c (lang_hooks): Hooks for the Java front end.
910 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
912 * c-lex.c (init_c_lex): Request #define / #undef callbacks
913 for verbose DWARF[2] debugging.
914 (cb_define, cb_undef): The new callbacks.
915 * toplev.h (debug_define, debug_undef): Make const correct.
916 * toplev.c (debug_define, debug_undef): Similarly. Do not
917 perform the verbosity tests here anymore.
919 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
921 * reload.c (subst_reloads): Take INSN argument. When
922 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
923 * reload.h (subst_reloads): Adjust prototype.
924 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
925 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
926 present in JUMP_INSNs and copy them to JUMP_LABEL.
927 * flow.c (find_label_refs, find_basic_blocks_1): Skip
928 JUMP_INSNs and insns with REG_LABELs that are followed by
929 JUMP_INSNs with the same REG_LABEL.
930 * sched-rgn.c (is_cfg_nonregular): Likewise.
931 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
933 * unroll.c (unroll_loop): Look for REG_LABEL notes in
935 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
937 2001-01-06 Richard Henderson <rth@redhat.com>
939 * loop.c (scan_loop): Use xcalloc for the regs array.
940 (load_mems_and_recount_loop_regs_set): Zero the new memory
941 received from xrealloc.
943 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
945 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
947 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
949 * integrate.c (copy_rtx_and_substitute): When copying
950 an ignored return value, strip REG_FUNCTION_VALUE_P.
952 2001-01-06 Michael Hayes <mhayes@redhat.com>
954 * loop.c (debug_biv, debug_giv): New.
955 (loop_biv_dump): Break out from ...
956 (record_biv): ... here.
957 (loop_giv_dump): Break out from ...
958 (record_giv): ... here.
959 (loop_bivs_check): Use print_simple_rtl.
960 * unroll.c (loop_iterations): Use print_simple_rtl.
962 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
964 * pa.md (return, return_internal): Modify patterns to prevent regrename
965 mucking with the return pointer.
967 2001-01-05 Mike Stump <mrs@wrs.com>
969 * varasm.c (assemble_name): Ensure we output the stripped name.
971 2001-01-05 Richard Henderson <rth@redhat.com>
973 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
975 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
977 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
978 version supplied by Matteo Frigo.
980 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
982 * cpp.texi: Update for -MQ.
983 * cppinit.c (cpp_create_reader): Always create pfile->deps.
984 (cpp_cleanup): Always free pfile->deps.
985 (initialize_dependency_output): Don't create pfile->deps.
986 (cpp_handle_option): Similarly.
988 * gcc.c (cpp_options): Handle -MQ.
989 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
990 * mkdeps.c (base_name): Remove.
991 (deps_init): Don't allocate vector space until it's needed.
992 (deps_free): Only free vectors if allocated.
993 (deps_add_target, deps_add_dep): Update for initial allocation.
994 (deps_add_default_target): Don't strip to the base_name.
996 2001-01-05 DJ Delorie <dj@redhat.com>
998 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
999 (INIT_EXPANDERS): Define.
1001 * config/v850/v850.c (struct machine_function): Define.
1002 (v850_save_machine_status): New function.
1003 (v850_restore_machine_status): New function.
1004 (v850_return_addr): New function.
1005 (v850_init_expanders): New function.
1007 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1008 and v850_init_expanders.
1010 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1012 * cpplib.h (struct cpp_reader): Add help_only field.
1013 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1014 (cpp_handle_option): Set pfile->help_only if we see -h,
1015 --help, -target-help, or --version. Print version string but
1016 do not set help_only if we see -v or -version. Make text
1017 printed by -v match that printed by (-)-version.
1019 * cppmain.c (main): Exit after option parsing if
1020 pfile->help_only is true.
1022 * toplev.c (independent_decode_option): Call print_version,
1023 then exit, if we see --version (but not -version).
1024 (print_version): Split lengthy message into two lines.
1026 2001-01-05 Nick Clifton <nickc@redhat.com>
1028 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1029 temporary string for initialisation before calling ggc_alloc_string.
1031 2001-01-06 Michael Hayes <mhayes@redhat.com>
1033 * rtl.h (print_simple_rtl): New.
1034 * print-rtl.c (print_simple_rtl): New.
1036 (print_rtx): Disable printing of flags and modes, etc.,
1037 if `flag_simple` nonzero.
1039 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1041 * function.c (fixup_var_refs): Use push_to_full_sequence where
1044 2001-01-05 Michael Meissner <meissner@redhat.com>
1046 * flags.h (flag_reorder_blocks): Add declaration.
1047 (flag_rename_block): Ditto.
1049 2001-01-05 DJ Delorie <dj@redhat.com>
1051 * function.c (reorder_blocks): Make sure the flags are all reset
1052 before using them to mark blocks, else a second invocation will
1053 corrupt the block chain.
1054 (reorder_blocks_0): New, resets the flags.
1056 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
1058 * cse.c (find_comparison_args): Stop if the argument is known to
1061 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1063 * config/sh/sh.md (movdf): When splitting load into pair of
1064 registers, don't clobber the register used in the address too
1067 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
1069 * varasm.c (mark_constant_pool): Improve initial comments.
1070 (mark_constants): Move marking of constants to mark_constant.
1071 (mark_constant): New function to recursively mark all constants
1072 referred to by a constant.
1074 2001-01-05 Catherine Moore <clm@redhat.com>
1076 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
1078 2001-01-05 Phil Edwards <pme@sources.redhat.com>
1080 * cp/lang-options.h: Bring comment in line with reality.
1081 * f/lang-options.h: Likewise.
1082 * java/lang-options.h: Likewise.
1083 * objc/lang-options.h: Likewise.
1084 * ch/lang-options.h: Likewise.
1085 * f/g77.texi: And update the manual.
1087 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
1088 Denis Chertykov <denisc@overta.ru>
1090 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
1091 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
1092 * config/avr/avr.md (all peepholes that request a scratch register):
1093 Call it, FAIL the peephole if not safe (in interrupt functions).
1095 2001-01-05 Mark Mitchell <mark@codesourcery.com>
1097 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
1099 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
1101 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
1103 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
1104 BUILT_IN_CREAL and BUILT_IN_CIMAG.
1105 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
1106 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
1107 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
1109 * extend.texi: Document these builtins.
1111 2001-01-05 Daniel Berlin <dberlin@redhat.com>
1113 * c-common.c (lang_get_alias_set): Say we know nothing of
1114 VECTOR_TYPE aliasing.
1116 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
1118 2001-01-05 Bruce Korb <bkorb@gnu.org>
1120 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
1121 their x* equivalent versions for atexit-less systems
1122 * fixinc/fixincl.c(main): do not return from main() on atexit-less
1123 systems (or any other system any more).
1125 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
1127 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
1128 output operands. Use arm_hard_register_operand for operand 4.
1129 (stmsi_postinc): Similarly.
1130 (ldmsi): Use arm_hard_register_operand for opernand 2.
1132 * arm.c (arm_hard_register_operand): New function.
1133 * arm-protos.h (arm_hard_register_operand): Prototype it.
1135 * arm.h (HARD_REGNO_RENAME_OK): Define.
1137 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
1139 * simplify-rtx.c (cfc_args): add "unordered" field.
1140 (check_fold_consts): Set unordered field.
1141 (simplify_relational_operation): Simplify the unordered
1144 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
1147 * emit-rtl.c (try_split): Fix code to mark labels.
1148 * jump.c (mark_jump_label): Make global.
1149 * rtl.h (mark_jump_label): Declare.
1151 * predict.c (estimate_probability): Handle unordred comparisons.
1153 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1155 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
1156 * cppinit.c (initialize_dependency_output): Update.
1157 (cpp_finish): Output dummy targets for -MP.
1159 (cpp_handle_option): Handle -MP. Don't quote -MT options.
1160 * cpplib.h (struct cpp_options): Add deps_phony_targets.
1161 * gcc.c (cpp_options): Update to handle -MP.
1162 * mkdeps.c (deps_add_target, deps_add_default_target): Update
1163 to quote only the default target.
1164 (deps_phony_targets): Insert a preceding newline. Rename from
1165 deps_dummy_targets for consistency.
1168 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1170 * calls.c (emit_library_call_value_1): Support
1171 INIT_CUMULATIVE_LIBCALL_ARGS.
1172 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
1174 2001-01-04 Richard Henderson <rth@redhat.com>
1176 * c-decl.c (finish_struct): Detect flexible array members
1177 used in an inappropriate context.
1178 * c-typeck.c (really_start_incremental_init): Special case
1179 constructor_max_index for zero length arrays.
1180 (pop_init_level): Allow initialization of flexible array
1181 members. Deprecate initialization of zero length arrays.
1182 Don't issue missing initializer warning for flexible array
1183 members or zero length arrays.
1184 (process_init_element): Don't dereference null DECL_SIZE.
1185 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
1186 Don't abort for empty constructors. Use size_binop
1187 (output_constructor): Add commentary regarding zero length
1188 array futures. Abort if we try to initialize an array of
1189 unspecified length with a non-empty constructor in the middle
1192 * extend.texi (Zero Length): Update and clarify documentation
1193 on static initialization.
1195 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1197 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
1198 with more than 32767 words of local storage.
1200 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1202 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
1203 for 'abs', 'labs', and 'fabs'.
1204 (c4x_expand_builtin): Likewise.
1205 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
1207 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1209 * config/sh/sh.md (prget, prset): New insn types.
1210 (return delay slot): Dont' allow prset.
1211 (call, sfunc delay slot): Don't allow prget.
1212 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
1213 for prset and prget.
1215 2001-01-05 Michael Hayes <mhayes@redhat.com>
1217 * loop.h (struct loop_reg): New.
1218 (struct loop_regs): Change to use array of `struct loop_reg'.
1219 * loop.c: Replace assortment of varrays with single regs array.
1220 (count_one_set): Delete may_not_move array argument
1221 and use regs array instead. All caller's changed.
1222 (count_loop_regs_set): Delete may_not_move and single_usage
1223 arguments and use regs array instead. All caller's changed.
1224 (find_single_use_in_loop): Replace usage array argument with pointer
1225 to regs structure. All caller's changed.
1226 (loop_optimize): Delete `moved_once' array.
1228 2001-01-05 Michael Hayes <mhayes@redhat.com>
1230 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
1231 Use it instead of loop_info->has_call for scanning loop mems.
1232 (check_dbra_loop): Replace loop_info->has_call test with
1233 loop_info->has_nonconst_call.
1235 2000-01-04 Matthew Hiller <hiller@redhat.com>
1237 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
1240 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1242 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
1243 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
1245 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1247 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
1248 (flag_short_double, flag_short_wchar): Define.
1249 (c_common_nodes_and_builtins): Create many tree nodes shared
1250 between C and C++ here instead of in cp/decl.c and ...
1251 * c-decl.c (init_decl_processing): ... here.
1252 (SIZE_TYPE, WCHAR_TYPE): Don't define.
1253 (flag_short_double, flag_short_wchar): Don't define.
1254 (record_builtin_type): New function.
1255 (build_void_list_node): New function.
1256 * c-common.h (flag_short_double, flag_short_wchar,
1257 record_builtin_type, build_void_list_node): Declare.
1259 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
1261 * integrate.c (expand_inline_function): Don't put a virtual
1262 register into the reg map.
1264 * function.c (fixup_var_refs_1): If force_operand didn't put
1265 the address into the target, move it there.
1267 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1269 Special-case tree_decl/tree_list allocations.
1270 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
1271 (OBJECT_SIZE): New macro.
1272 (NUM_EXTRA_ORDER): Likewise.
1273 (extra_order_size_table): New variable.
1274 (NUM_ORDERS): New macro.
1275 (objects_per_page_table): New variable.
1276 (object_size_table): New variable.
1277 (G.pages): Use NUM_ORDERS to bound the array.
1278 (G.page_tails): Likewise.
1279 (DIV_ROUND_UP): Remove.
1280 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
1281 (alloc_page): Use OBJECT_SIZE.
1282 (size_lookup): Don't make it const.
1283 (ggc_alloc): Use OBJECT_SIZE.
1284 (ggc_set_mark): Likewise.
1285 (ggc_get_size): Likewise.
1286 (init_ggc): Set up the object_size_table, objects_per_page_table,
1287 and adjust size_lookup.
1288 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
1289 (ggc_pop_context): Use NUM_ORDERS.
1290 (clear_marks): Likewise.
1291 (sweep_pages): Likewise.
1292 (poison_pages): Likewise.
1293 (ggc_print_statistics): Use OBJECT_SIZE.
1295 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1297 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
1298 Only call array_size_for_constructor if last field and array type
1299 with no upper bound.
1301 2001-01-04 Philip Blundell <philb@gnu.org>
1303 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
1304 from bit 31 downwards, if this requires no more insns.
1305 (count_insns_for_constant): New helper function for above.
1307 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
1309 * gencodes.c (output_predicate_decls): Remove empty initializer.
1311 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1313 * tree.c (copy_node): Remove documentation about obstacks.
1314 (buidl1): Check that nobody tries to build 2-argument nodes this
1317 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1319 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
1322 * gencodes.c (output_predicate_decls): Fill empty initializer
1325 2001-01-04 Jakub Jelinek <jakub@redhat.com>
1327 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
1328 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
1330 (do_include): Handle missing headers like cpp0.
1331 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
1332 paths with first include pathname. Don't strcat to uninitialized
1335 2001-01-04 Bernd Schmidt <bernds@redhat.com>
1337 * regrename.c (regrename_optimize): Don't rename from frame pointer
1338 if frame_pointer_needed.
1339 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
1340 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
1341 (ia64_reorg): Use it instead of scheduling if ! optimize.
1342 (errata_emit_nops): Properly call asm_noperands.
1343 (ia64_sched_reorder): Finish cycle if we see an asm.
1344 (ia64_variable_issue): Clear scheduling state after asms.
1346 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
1348 * cpp.texi: Update for -MT.
1349 * cppinit.c (initialize_dependency_output): Add a default
1350 target if none has been given already.
1351 (no_tgt, OPT_MT): New.
1352 (cpp_handle_option): Handle -MT. Update -M etc.
1353 * cpplib.h (struct cpp_options): Remove deps_target.
1354 * gcc.c (cpp_options): Handle -MT.
1355 * mkdeps.c (struct deps): Move from mkdeps.h.
1356 (deps_calc_target): Rename deps_add_default_target. Add a
1357 default target if none has been specified already.
1358 * mkdeps.h (struct deps): Move to mkdeps.c.
1359 (deps_calc_target): Rename deps_add_default_target.
1361 2000-01-03 Richard Henderson <rth@redhat.com>
1363 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
1365 * c-typeck.c (push_init_level): Move checks for flexible array
1366 members and zero length arrays ...
1367 (pop_init_level): ... here. Silently discard empty initializations.
1369 * varasm.c (output_constructor): Update for sizeof change to
1372 * extend.texi (Zero Length): Clarify semantics.
1374 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1376 * configure.in (tm.h): Include isns-codes.h last.
1377 * configure: Rebuilt.
1379 2001-01-03 Richard Henderson <rth@redhat.com>
1381 * config/alpha/alpha.md (addvsi3, addvdi3): New.
1382 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
1384 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1386 * tradcpp.c (main): Make sure finclude() is called with a valid
1387 indepth value while handling -include.
1389 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1391 * gencodes.c (output_predicate_decls): New function.
1393 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
1394 even if it is not the first time machmode.h is #included.
1395 * config/sh/sh.c (fpul_operand): Declare MODE argument.
1396 * tm.texi (PREDICATE_CODES): Document predicate declarations.
1397 * gcc.texi (Copyright): Added 2001.
1399 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1401 * c-common.c (c_common_lang_init): New function. Warn if format
1402 warning options which only have effects when used with -Wformat
1403 are used without -Wformat.
1404 * c-common.h (c_common_lang_init): Declare.
1405 * c-lang.c (lang_init): Call c_common_lang_init.
1406 * objc/objc-act.c (lang_init): Call c_common_lang_init.
1408 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1410 * configure.in: Check for the mktemp command.
1411 * configure: Regenerate.
1412 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
1413 $TEMP. Create temporary files with mktemp, if available at
1414 configure time; otherwise use set -C. Remove temporary files
1417 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1419 * configure.in: Require at least texinfo 4.0. Check for whether
1420 Pod::Man is sufficiently recent to regenerate GCC manpages.
1421 * configure: Regenerate.
1422 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
1424 (GENERATED_MANPAGES): Define.
1425 (generated-manpages): New target. Depend on cpp.1 as well as
1427 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
1428 configure to generated-manpages or empty) rather than on the
1429 manpages directly. Remove execute permission from installed
1430 gcov.1 as well as cpp.1.
1431 * cpp.1, gcov.1: Regenerate.
1433 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1435 * builtins.c (expand_builtin_strncmp): Use host_integerp and
1436 tree_low_cst. Allow using cmpstrsi in more cases.
1438 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1440 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
1443 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
1445 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
1446 * Makefile.in (HOST_CFLAGS): Mention build-make.
1448 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1450 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
1453 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1455 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
1458 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
1461 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
1462 reg_base_value and reg_known_value arrays.
1463 (init_alias_analysis): Add more cases to detect known values.
1464 * sched-deps.c (deps_may_trap_p): New function.
1465 (sched_analyze_2): Use it.
1467 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1469 * combine.c (simplify_shift_const): Even if we're sign-extracting,
1470 don't discard an ASHIFTRT if we're shifting in a wider mode.
1472 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1474 * toplev.c (rest_of_compilation): Don't print basic block information
1475 when CFG isn't up to date.
1477 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
1479 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
1480 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
1481 (UNALIGNED_SHORT_ASM_OP): Define.
1482 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
1484 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1486 * fold-const.c (fold_convert): Fix typo.
1488 2001-01-02 Richard Henderson <rth@redhat.com>
1490 * c-common.h (ASM_INPUT_P): New.
1491 * c-parse.in (asm): Set it when needed.
1492 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
1493 existance of an operand.
1495 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
1497 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
1498 (dwarf2out_frame_debug_expr): Likewise.
1499 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
1501 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
1503 * i386.c (ix86_split_to_parts): Return number of part required;
1505 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
1507 (ix86_split_long_move): Use number of part returned
1508 by ix86_split_to_parts
1509 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
1511 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
1512 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
1513 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
1514 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
1515 (ALIGN_MODE_128): Add TFmode.
1516 (IS_STACK_MODE): Likewise.
1517 (HARD_REGNO_NREGS): TFmode needs 3 registers.
1518 (HARD_REGNO_OK): Support TFmodes.
1519 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
1520 * i386.md (scheduler definitions): Use memory operand to determine
1521 fst/fld instructions; use mode attribute to determine real mode of
1523 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
1524 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
1526 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1528 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
1530 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1532 * expr.c (store_constructor_field): Update ALIGN before calling
1535 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1537 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
1540 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1542 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
1545 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1547 * c-decl.c (start_function): Don't warn on third parameter to main.
1549 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1551 * tsystem.h: Define HAVE_DECL_GETOPT.
1553 2001-01-02 Philip Blundell <pb@futuretv.com>
1555 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
1558 2001-01-02 Richard Henderson <rth@redhat.com>
1560 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
1562 2001-01-02 Andreas Jaeger <aj@suse.de>
1564 * c-decl.c (c_decode_option): Remove support of
1567 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
1568 (W_options): Add -Wmissing-noreturn here.
1570 * flow.c: Define lang_missing_noreturn_ok_p.
1571 (check_function_return_warnings): Use it.
1573 * c-common.h: Declare lang_missing_noreturn_ok_p.
1575 * c-lang.c (c_missing_noreturn_ok_p): New function.
1576 (lang_init): Set lang_missing_noreturn_ok_p.
1578 * invoke.texi (Warning Options): Document this.
1580 2000-12-27 Phil Edwards <pme@sources.redhat.com>
1582 * extend.texi (C++ Extensions): New node for C++ attributes;
1583 describe init_priority and com_interface.
1584 * invoke.texi: Remove -finit-priority as it now has zero effect.
1585 * install.texi: Fix xref syntax.
1586 * md.texi: Likewise.
1588 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1590 * config.gcc (sparc64-wrs-vxworks*): New case.
1591 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
1593 * config/sparc/sparc.c (sparc_override_options): Do support different
1594 pointer and architecture size.
1595 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
1596 (POINTERS_EXTEND_UNSIGNED): Define.
1597 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
1598 (FUNCTION_MODE): Define to be Pmode.
1599 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
1601 * function.c (expand_function_end): Properly handle DECL_RESULT
1602 and copy when ptr_mode != Pmode.
1603 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
1605 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1607 * c-common.c (c_common_nodes_and_builtins): Set prototype
1608 parameters for __builtin_fputs, __builtin_fputc and
1609 __builtin_fwrite. Don't declare plain fputc as a builtin.
1611 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1613 * loop.c (add_label_notes): Increment the label usage count when
1614 a note is added to an insn which refers to a CODE_LABEL.
1615 * gcse.c (add_label_notes): Likewise.
1617 2001-01-01 Andreas Jaeger <aj@suse.de>
1619 * loop.c (scan_loop): Use xmalloc to allocate movables.
1621 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
1623 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
1624 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
1625 * reload1.c (REGISTER_MOVE_COST): Likewise.
1626 * regclass.c (REGISTER_MOVE_COST): Likewise.
1627 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
1628 dimension. Adjust all users.
1629 (init_reg_sets_1): Iterate on all modes.
1630 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
1631 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
1632 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
1633 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
1634 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
1635 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
1636 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
1637 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
1638 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
1639 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
1640 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
1641 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
1642 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
1643 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
1644 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
1645 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
1646 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
1647 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
1648 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
1649 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
1650 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
1651 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
1652 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
1653 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
1654 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
1655 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
1656 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
1658 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1660 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
1661 arg VARIES_P. Call it with extra arg.
1662 (true_dependence): Likewise.
1663 * rtl.h (rtx_addr_can_trap_p): Declare.
1664 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
1666 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
1667 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
1668 pic offset table register if it's zero. All callers changed.
1669 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
1671 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1673 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
1674 STRING_POOL_ADDRESS_P.
1676 * config/sparc/sparc.c (input_operand): Properly test for short op.
1678 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
1679 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
1680 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
1681 * config/sparc/elf.h: No longer include sol2.h.
1682 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
1683 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
1685 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
1687 2001-01-01 Michael Hayes <mhayes@redhat.com>
1689 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
1690 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
1691 (record_initial): Likewise.
1692 * unroll.c (copy_loop_body, loop_iterations): Likewise.
1693 (remap_split_bivs): Likewise.
1695 2001-01-01 Michael Hayes <mhayes@redhat.com>
1697 * loop.c (loop_ivs_free): New function.
1698 (strength_reduce): Break out from...
1700 2001-01-01 Michael Hayes <mhayes@redhat.com>
1702 * loop.h (struct iv): New.
1703 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
1704 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
1705 'reg_biv_class' fields with 'regs' and 'n_regs'.
1706 (struct ivs): Rename 'loop_iv_list' field to 'list'.
1707 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
1708 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
1710 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
1712 * resource.c (mark_referenced_resources): Abort() before
1713 attempting to mark a pseudo register.
1714 (mark_set_resources): Likewise.
1716 2001-01-01 Michael Hayes <mhayes@redhat.com>
1718 * loop.h (REG_IV_CLASS): New accessor macro.
1719 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
1720 * unroll.c (REG_IV_CLASS): Likewise.
1722 See ChangeLog.4 for earlier changes.