1 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3 * final.c: (leaf_function_p): Fix typo.
5 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
7 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
8 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
11 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
12 mmap_anon, and valloc is available.
13 * ggc-page.c: Restructure ifdef logic to match new autoconf
14 spec. Don't throw away the test page in init_ggc.
16 * configure, config.in: Regenerate.
18 2001-01-12 Michael Hayes <mhayes@redhat.com>
20 * loop.h (total_biv_increment): Constify iv_class pointer.
21 (struct induction): Replace `mem_mode' with `mem' rtx.
22 * unroll.c (total_biv_increment): Constify iv_class pointer.
23 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
24 (find_mem_givs, combine_givs_p): Likewise.
25 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
27 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
29 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
31 (__gthread_getspecific): Ditto.
33 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
35 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
36 put_condition_code): Convert fp comparison codes to integer
38 (ix86_expand_fp_compare): Postnote the fp comparison code converison
41 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
42 * i386-protos.h (no_comparison_operator): Kill.
44 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
46 * combine.c (REVERSIBLE_CC_MODE): Remove.
47 (reversible_comparison_p): Remove.
48 (combine_reversed_comparison_code): New.
49 (reversed_comparison): New.
50 (combine_simplify_rtx): Use
51 combine_reversed_comparison_code/reversed_comparison instead
52 of reversible_comparison_p.
53 (simplify_if_then_else): Likewise.
54 (simplify_set): Likewise.
55 (simplify_logical): Likewise.
56 (if_then_else_cond): Likewise.
57 (known_cond): Likewise.
58 (simplify_comparison): Likewise.
60 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
62 * builtins.c (std_expand_builtin_va_start): Handle varargs when
63 sizeof (int) is larger than sizeof(__word__).
65 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
67 * cppinit.c (do_includes): Fix typo.
69 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
71 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
72 in S_REGS does not occur because not all sources are possible
73 when a S_REGS is a destination (sometimes needs a clobber).
74 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
75 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
76 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
77 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
78 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
79 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
80 (lshrdi_const1, lshrsi3_const16): Likewise.
81 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
82 (*movhi_68hc12, *movqi_68hc12): Likewise.
83 (movstrictqi): Make sure reloading in D_REGS as a destination
86 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
88 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
90 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
92 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
93 -D, -U and -A, and don't initialize the builtins.
94 (do_includes): Error if -include or -imacros with -fpreprocessed.
95 * cppmain.c (cb_define, cb_undef): Unconditionally process
97 * tradcpp.c (main): Fix typo.
99 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
101 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
102 (read_name_map): Use IS_ABSOLUTE_PATH.
103 * tradcpp.c (get_filename): Likewise.
105 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
107 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
108 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
109 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
110 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
111 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
112 (cmphi_z_used): Don't use '@' for the output.
113 (tstqi_z_used): Likewise.
114 (cmpqi_z_used): Likewise.
115 (one_cmplsi2): Likewise.
117 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
119 * config/sh/sh.c (barrier_align): Recognize branch around far
120 branch and redundant insn.
122 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
124 * invoke.texi: Restore documentation of the drivers' switches -MD
127 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
129 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
131 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
132 check-objc//%): Support parallel testing of multilibs.
133 (TESTSUITEDIR): Set to testsuite by default, but override for
135 (check-gcc, check-g++, check-g77, check-objc): Enter
138 2001-01-11 Bernd Schmidt <bernds@redhat.com>
140 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
141 * sched-deps.c (deps_may_trap_p): Likewise.
142 * basic-block.h: Remove a comment.
143 * flow.c (PROP_POSTRELOAD): Remove.
144 (update_life_info): Don't add it to prop_flags.
145 (mark_set_1): Lose the code that was enabled by it.
147 2001-01-11 Michael Hayes <mhayes@redhat.com>
149 * flow.c (flow_call_edges_add): New.
150 * basic_block.h (flow_call_edges_add): New.
152 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
154 * reload1.c (move2add_note_store): Update reg_set_luid even if
155 base reg remains the same.
157 2001-01-10 Nick Clifton <nickc@redhat.com>
159 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
160 machine_function structure to zero.
161 Add prototypes for machine_status functions.
163 2001-01-10 Mark Mitchell <mark@codesourcery.com>
165 * c-common.h (CTI_VOID_LIST): Remove.
166 (void_list_node): Likewise.
167 * tree.h (TI_VOID_LIST_NODE): New enumeral.
168 (void_list_node): New macro.
169 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
170 * config/i386/i386.c (ix86_init_builtins): Likewise.
171 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
173 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
175 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
176 * cppinit.c (cpp_start_read): Update comment, remove unneeded
178 * tradcpp.c: Include mkdeps.h.
179 (deps, print_deps_phony_targets, deps_append, output_deps,
180 init_dependency_output, output_deps): New.
181 (deps_buffer, deps_allocated_size, deps_size, deps_column,
182 deps_output): Delete.
183 (print_deps_missing_files): Rename deps_missing_files.
184 (inhibit_output): Make global.
185 (main): Delete inhibit_output, deps_stream, deps_target.
186 Use mkdeps functionality in the same way as cpplib. Remove
187 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
188 -M and -MM. Remove old handling of deps via deps_out, and
189 old reading of environment variables.
190 (get_filename): Update to use deps_add_dep.
192 2001-01-10 Mark Mitchell <mark@codesourcery.com>
194 * output.h (make_function_rtl): Remove prototype.
195 (make_decl_rtl): Likewise.
196 * varasm.c (make_function_rtl): Remove.
197 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
198 than from a third parameter.
199 * tree.h (make_decl_rtl): Remove last parameter.
200 * c-decl.c (builtin_function): Remove last argument in call to
201 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
202 (start_function): Likewise.
203 * except.c (call_get_eh_context): Likewise.
204 * expr.c (emit_block_move): Likewise.
205 (clear_storage): Likewise.
206 * profile.c (output_func_start_profiler): Likewise.
207 * toplev.c (rest_of_decl_compilation): Likewise.
208 * objc/objc-act.c (create_builtin_decl): Likewise.
209 (synth_module_prologue): Likewise.
210 (generate_static_reference): Likewise.
211 (build_selector_reference_decl): Likewise.
212 (build_class_reference_decl): Likewise.
213 (build_objc_string_decl): Likewise.
214 (build_protocol_reference): Likewise.
216 2001-01-10 Richard Henderson <rth@redhat.com>
218 * hwint.h: Revert yesterday's change.
220 2001-01-10 Nick Clifton <nickc@redhat.com>
222 * function.h (save_machine_status): Delete.
223 (restore_machine_status): Delete.
224 Amend comment describing {init|mark|free}_machine_status.
226 * function.c (save_machine_status): Delete.
227 (restore_machine_status): Delete.
228 Amend comment describing {init|mark|free}_machine_status.
229 (push_function_context_to): Remove invocation of
231 (pop_function_context_from): Remove invocation of
232 restore_machine_status.
234 * emit-rtl.c (init_emit_once): Amend comment describing
235 {init|mark|free}_machine_status.
237 * tm.texi (Per-Function Data): New node. Describe the
238 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
241 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
243 * cppinit.c (OPT_g): Remove.
244 (cpp_handle_option): Update for removed -g3.
245 (print_help): Update.
246 * cpplib.h (struct cpp_options): Remove debug_output.
247 * cppmain.c (setup_callbacks, cb_define): Update.
248 * gcc.c (cpp_options): Translate -g3 to -dD.
250 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
252 * config/i960/i960.md: Change modifier to + on the zero_extract
253 pattern after the (rotate -2 reg) canonicalization pattern.
255 2001-01-10 Richard Henderson <rth@redhat.com>
257 * config/alpha/alpha.c (alpha_free_machine_status): New.
258 (override_options): Install it.
259 (alpha_mark_machine_status): Verify machine non-null.
260 * config/i386/i386.c (ix86_free_machine_status): New.
261 (override_options): Install it.
262 (ix86_init_machine_status): Use xcalloc.
263 (ix86_mark_machine_status): Verify machine non-null.
264 * config/ia64/ia64.c (ia64_free_machine_status): New.
265 (ia64_override_options): Install it.
266 (ia64_mark_machine_status): Verify machine non-null.
268 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
270 * function.c (instantiate_virtual_regs): Instantiate virtual
271 registers found in CALL_INSN_FUNCTION_USAGE.
273 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
275 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
276 equivalent to -ansi in disabling -Di386.
278 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
280 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
282 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
284 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
286 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
288 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
290 * invoke.texi: Document that -fcond-mismatch isn't supported for
293 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
295 * gcc.texi: Define macro gcctabopt.
296 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
297 @command, @env and @option in some places where appropriate. Use
298 @gcctabopt where appropriate. Put URLs and email addresses inside
301 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
303 * gcc.c (cpp_options): Set MD file name from output
304 filename, if specified.
305 (suffix_subst): New static variable.
307 (do_spec_1, case '.'): Handle new `%.suffix' spec.
309 (give_switch): Handle suffix_subst.
311 2001-01-10 Phil Edwards <pme@sources.redhat.com>
313 * invoke.texi: Fix another typo.
315 2001-01-10 Phil Edwards <pme@sources.redhat.com>
317 * invoke.texi: Fix typo.
319 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
321 * c-lang.c (lang_hooks): Update.
322 (lang_decode_option): Remove.
323 (lang_init_options): Rename c_init_options.
324 * toplev.c (main): Use lang_hooks for lang_init_options
325 and lang_decode_option.
326 * toplev.h (lang_hooks): Add 2 new hooks.
327 * tree.h: Remove lang_init_options and lang_decode_option.
328 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
329 * cp/decl2.c: Similarly.
330 * cp/lex.c (lang_init_options): Rename cxx_init_options.
331 (lang_hooks): Update.
332 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
334 (lang_init_options): Rename ffe_init_options.
335 (lang_hooks): Update.
336 (lang_decode_option): Remove.
337 * java/lang.c (lang_init_options): Rename java_init_options.
338 (lang_decode_option): Rename java_decode_option.
339 (lang_hooks): Update.
340 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
341 (lang_decode_option): Rename objc_decode_option.
342 (lang_hooks): Update.
344 2001-01-09 Nick Clifton <nickc@redhat.com>
346 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
347 (d30v_return_addr_rtx): Delete.
348 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
349 cfun->machine structure.
350 (struct machine_function): Move to d30v.h
351 (d30v_save_machine_status): Delete.
352 (d30v_restore_machine_status): Delete.
353 (d30v_init_machine_status): New Function.
354 (d30v_mark_machine_status): New Function.
355 (d30v_free_machine_status): New Function.
356 (d30v_init_expanders): Use new functions.
357 (d30v_return_addr): Use ra_rtx field in cfun->machine.
358 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
359 d30v_return_addr_rtx.
361 * config/d30v/d30v.h (struct_machine): Move here.
362 Add eh_epilogue_sp_ofs field.
364 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
365 field in cfun->machine structure.
367 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
369 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
370 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
371 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
373 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
375 * objc/lang-options.h: Remove bogus reference to
378 2001-01-09 Kazu Hirata <kazu@hxi.com>
380 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
383 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
385 * reload.c (find_reloads_address): Check for eliminable registers
386 when substituting a constant expression for a pseudo.
388 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
390 * c-common.c (enum format_type): Add format_type_error.
391 (decode_format_type): New function.
392 (decl_attributes): Use it.
393 (format_kind_info): Adjust comment.
395 2001-01-09 David O'Brien <obrien@BSDi.com>
397 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
398 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
400 * config/i386/gnu.h: Don't include required platform specific .h files,
401 tm.h will do it instead.
402 * config/i386/i386elf.h: Likewise.
403 * config/i386/linux.h: Likewise.
404 * config/i386/moss.h: Likewise.
405 * config/mips/gnu.h: Likewise.
407 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
409 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
410 (rs6000-ibm-aix3.[01]*): Likewise.
411 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
412 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
413 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
414 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
415 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
416 (powerpc-*-eabiaix*): Likewise.
417 (powerpc-*-eabisim*): Likewise.
418 (powerpc-*-elf*): Likewise.
419 (powerpc-*-eabi*): Likewise.
420 (powerpc-*-rtems*): Likewise.
421 (powerpc-*-linux*libc1): Likewise.
422 (powerpc-*-linux*): Likewise.
423 (powerpc-wrs-vxworks*): Likewise.
424 (powerpcle-wrs-vxworks*): Likewise.
425 (powerpcle-*-sysv*): Likewise.
426 (powerpcle-*-elf*): Likewise.
427 (powerpcle-*-eabisim*): Likewise.
428 (powerpcle-*-eabi*): Likewise.
429 (powerpcle-*-solaris2*): Likewise.
430 * config/rs6000/aix31.h: Delete includes.
431 * config/rs6000/aix3newas.h: Likewise.
432 * config/rs6000/aix41.h: Likewise.
433 * config/rs6000/aix43.h: Likewise.
434 * config/rs6000/beos.h: Likewise.
435 * config/rs6000/rtems.h: Likewise.
436 * config/rs6000/sysv4.h: Likewise.
438 2001-01-09 Kazu Hirata <kazu@hxi.com>
440 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
441 Change an argument mode of machine_mode to shift_mode of
442 shift_mode. Remove an extra error check.
443 (emit_a_shift): Adopt to the new calling prototype of
445 (function_prologue): Fix code for a monitor
446 function. Support H8/S.
447 (function_epilogue): Do not output pop for a monitor function.
449 2001-01-09 Nick Clifton <nickc@redhat.com>
451 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
452 (setup_incoming_varargs): Use sysv_varargs_p field of the
453 cfun->machine structure.
454 (struct machine_function): Move to rs6000.h
455 (rs6000_save_machine_status): Delete.
456 (rs6000_restore_machine_status): Delete.
457 (rs6000_init_machine_status): New Function.
458 (rs6000_free_machine_status): New Function.
459 (rs6000_init_expanders): Use new functions.
461 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
463 (struct machine_function): Move here.
465 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
466 sysv_varargs_p field of the cfun->machine structure.
468 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
470 (rs6000_restore_machine_status): Remove prototype.
472 2001-01-09 Richard Henderson <rth@redhat.com>
474 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
475 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
476 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
477 (sched_analyze_2, sched_analyze_insn): Likewise.
478 (sched_analyze, init_deps): Likewise.
479 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
480 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
481 (compute_block_backward_dependences): Update propagate_deps call.
483 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
485 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
487 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
489 * cppinit.c (OPT_MD, OPT_MMD): Restore.
490 (cpp_handle_option): Handle them.
491 (cpp_post_options): Ensure one of -M or -MM is specified with
492 any other -M? option.
493 (init_dependency_output): Suppress output with -MG.
495 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
498 * invoke.texi: Update.
500 2001-01-09 Bernd Schmidt <bernds@redhat.com>
502 * sh.md (reload_outsf): Generate recognizable patterns for
505 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
507 * c-lang.c (lang_hooks): Update.
508 (lang_init): Rename c_init.
509 (lang_finish): Remove.
510 * toplev.c (compile_file): Use lang_hooks for lang_init ()
512 * toplev.h (lang_hooks): Add init () and finish ().
513 * tree.h (lang_init, lang_finish): Remove.
514 * cp/tree.h (lang_init, lang_finish): Remove.
515 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
516 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
518 (lang_init, lang_finish): Remove.
519 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
520 (lang_hooks): Update.
521 * java/lang.c (lang_init): Rename java_init.
522 (lang_finish): Remove.
523 (lang_hooks): Update.
524 * objc/objc-act.c (lang_init): Rename objc_init.
525 (lang_finish): Remove.
526 (lang_hoooks): Update.
528 20001-01-09 Graham Stott <grahams@redhat.com>
530 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
531 after `ptr` is initialised.
533 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
535 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
536 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
537 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
538 stack adjusts, instead of r3.
540 2001-01-09 Michael Hayes <mhayes@redhat.com>
542 * flow.c (flow_loop_scan): Break out of ...
543 (flow_loops_find) ... here.
544 * basic-block.h (flow_loop_scan): New.
545 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
546 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
548 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
550 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
552 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
553 realloc()ing macro_buffer.
555 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
556 if it's wider than long and the target's long is wider than the
559 2001-01-09 Mark Mitchell <mark@codesourcery.com>
561 Remove support for using UWIN as a host machine.
562 * configure.in: Issue an error message.
563 * configure: Regenerated.
564 * config.gcc: Remove xm_* UWIN configury.
565 * config/i386/xm-uwin.h: Remove.
567 2001-01-08 Nick Clifton <nickc@redhat.com>
569 * config/v850/v850.c (ra_rtx): Delete.
570 (v850_save_machine_status): Delete.
571 (v850_restore_machine_status): Delete.
572 (v850_init_machine_status): New function.
573 (v850_mark_machine_status): New function.
574 (v850_free_machine_status): New function.
575 (v850_return_addr): Use ra_rtx field in machine structure.
576 (v850_init_expanders): Use new functions.
578 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
579 * config/v850/v850.c: Change arguments to v850_output+* functions
580 to take a const char *, to avoid compile time warning.
581 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
582 (USER_LABEL_PREFIX): Redefine.
584 2000-01-08 Jim Wilson <wilson@redhat.com>
586 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
587 1 to unsigned HOST_WIDE_INT before left shift.
589 2001-01-08 Nick Clifton <nickc@redhat.com>
591 * config/arm/arm.c (arm_mark_machine_status): Check to see if
592 the machine structure has been allocated.
593 (arm_free_machine_status): New function: Free the machine
594 specific function structure.
596 2001-01-08 Richard Henderson <rth@redhat.com>
598 * jump.c (simplejump_p): Revert last change.
600 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
602 * cppinit.c (init): Rename init_library.
603 (cpp_create_reader): Update.
604 * gcc.c (cpp_options): If -o given, use it as the target of
607 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
609 * arm.c (arm_arch5e): New variable.
610 (all_cores): XScale is a 5TE device.
611 (arm_override_options): Set arm_arch5e.
612 (arm_init_builtins): __builtin_prefetch is in arch5e.
613 * arm.h (arm_arch5e): Declare it.
615 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
617 * arm.md (define_constants): Add defines for UNSPEC and
618 UNSPEC_VOLATILE insns. Update all users.
619 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
620 * arm.c (multi_register_push, note_invalid_constants)
621 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
622 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
623 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
625 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
627 * jump.c (jump_optimize_1): Use reversed_comparison_code
628 instead of can_reverse_comparison_p.
629 (jump_back_p): Likewise.
630 (invert_exp_1): Likewise.
631 (thread_jumps): Likewise.
632 * simplify-rtx.c (simplify_unary_operation): Likewise.
633 (simplify_ternary_operation): Likewise.
634 * cse.c (find_comparison_args): Convert to use
635 can_reverse_comparison_p.
636 (record_jump_equiv): Likewise.
638 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
640 * arm.h (HARD_REGNO_RENAME_OK): Delete.
641 (EPILOGUE_USES): Define.
642 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
643 automatically stack the LR if it isn't live.
645 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
647 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
650 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
652 * ggc-page.c (max_alignment): New structure.
653 (MAX_ALIGNMENT): New macro.
654 (init_ggc): Use it to round up the sizes in the
655 extra_order_size_table.
657 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
659 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
662 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
664 * builtins.def (BUILT_IN_FPRINTF): New entry.
666 * c-common.c (c_expand_builtin_fprintf): New function.
667 (init_function_format_info): Handle __builtin_fprintf.
668 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
669 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
671 * c-decl.c (duplicate_decls): Adjust comment.
673 * extend.texi (fprintf): Document new builtin.
675 2001-01-07 Richard Henderson <rth@redhat.com>
677 * jump.c (simplejump_p): Recognize any single_set jump
680 2001-01-07 Richard Henderson <rth@redhat.com>
682 * configure.in (slibdir): Accept an --with-slibdir option.
683 Use "test" not "[" in configure. Default to $(libdir).
685 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
687 * config/t-aix43 (SHLIB_INSTALL): Likewise.
688 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
689 (SHLIB_LINK): Create links for the soname.
690 * config/mips/t-iris6: Likewise.
691 * config/sparc/t-slibgcc: Likewise.
692 * config/sparc/t-slibgcc-sld: Likewise.
694 2001-01-07 Jakub Jelinek <jakub@redhat.com>
696 * config/i386/i386.c (constant_call_address_operand): Accept
697 (const (plus (symbol_ref) (const_int))).
698 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
699 constant_call_address_operand.
701 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
703 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
704 and LONG_LONG_TYPE_SIZE > 32.
706 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
708 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
711 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
713 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
715 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
716 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
717 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
720 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
722 * fix-header.c (read_scan_file): s/pfile/scan_in/.
724 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
726 * c-lang.c (c_post_options): Call cpp_post_options.
727 * objc/objc-act.c (objc_post_options): Similarly.
728 * cppmain.c (main): Similarly.
729 * fix-header.c (read_scan_file): Similarly.
730 * cppinit.c (cpp_start_read): Move option consistency checks
731 to cpp_post_options. Don't call init_dependency_output.
732 If needed, add default target and main file dependency.
733 (OPT_MD, OPT_MMD): Remove.
735 (cpp_handle_option): Update for OPT_* changes.
736 (cpp_post_options): New.
737 (init_dependency_output): Command line -MF overrides environment
738 variables. Don't set default target etc. Suppress output
739 if dependencies are going to stdout.
740 (print_help): Update.
741 * cpplib.h (cpp_post_options): New.
742 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
744 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
746 * jump.c (comparison_dominates_p): Support unordered compares.
748 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
750 * simplify-rtx.c (simplify_relational_operation): Always simplify
751 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
754 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
756 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
757 (nonzero_bits): Likewise.
758 (simplify_comparison): Likewise.
759 (num_sign_bit_copies): Likewise; return more sane value depending
761 (known_cond): Do not assume EQ to be always true for equivalent
764 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
766 * cse.c (fold_rtx): Handle unordered comparisons.
768 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
770 * rtlanal.c (set_of_1): New static function.
771 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
772 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
773 reg_set_last_last_regno): Remove.
774 (set_of): New global function.
775 (set_of_data): New structure.
776 (reg_set_p, reg_set_last): Revamp for set_of.
777 * rtl.h (set_of): New.
779 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
781 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
782 * extend.texi: Document _Exit builtin.
784 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
786 * (initialize, initialize_builtins,
787 initialize_dependency_output, initialize_standard_includes):
788 Rename s/initialize/init. Update.
789 (init_dependency_output): Move to after
790 cpp_handle_options, the correct location temporally at least.
791 (opt_comp): Move next to init (), its caller. Fix prototype.
792 (init): Make "initialized" local scope.
793 (cpp_create_reader): Always call init ().
794 (cpp_start_read): Update.
795 (output_deps): New function, broken out of cpp_finish.
796 (cpp_finish): Break out output_deps.
798 2001-01-07 Richard Henderson <rth@redhat.com>
800 * collect2.c (COFF specific stuff): Revert 12-06 patch
801 to prototype system functions.
803 2001-01-07 Michael Hayes <mhayes@redhat.com>
805 * hard-reg-set.h: Add multiple include guard.
806 * basic-block.h (struct loop): Add `sink' field.
807 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
808 (emit_iv_add_mult): Delete.
809 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
810 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
811 (unroll_loop): Remove end_insert_before argument.
812 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
813 (maybe_eliminate_biv_1): Likewise.
814 (emit_iv_add_mult): Delete.
815 (gen_add_mult, loop_regs_update): New.
816 (loop_insn_emit_after, loop_insn_emit_before): New.
817 (loop_insn_sink, loop_insn_sink_or_swim): New.
818 (emit_iv_add_mult): Delete.
819 (scan_loop): Set loop->sink.
820 (loop_givs_reduce): Use loop_insn_sink and its ilk.
821 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
822 (maybe_eliminate_biv_1): Likewise.
823 (maybe_eliminate_biv_1): Add basic block argument.
824 * unroll.c (unroll_loop): Remove end_insert_before argument.
825 (find_splittable_regs): Likewise.
826 (find_splittable_regs): Use loop_insn_sink and its ilk.
827 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
829 2001-01-07 Michael Hayes <mhayes@redhat.com>
831 * loop.h (loop_insn_hoist): New prototype.
832 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
833 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
834 (check_dbra_loop, load_mems): Likewise.
835 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
836 (find_splittable_givs): Likewise.
838 2001-01-07 Michael Hayes <mhayes@redhat.com>
840 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
842 2001-01-07 Richard Henderson <rth@redhat.com>
844 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
846 2001-01-07 Richard Henderson <rth@redhat.com>
848 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
849 NO_SHARED_LIBGCC_MULTILIB as required for the target.
850 * gcc.c (init_spec): Massage the existing libgcc_spec into a
851 variant that handles a shared libgcc.
852 (process_command): Always validate -{static,shared}-libgcc.
853 (do_spec_1): New 'M' case.
854 * invoke.text (Link Options): Document -{static,shared}-libgcc.
856 2001-01-07 Richard Henderson <rth@redhat.com>
858 * Makefile.in (slibdir): New variable.
859 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
860 (installdirs): Create slibdir.
861 (install-libgcc, install-multilib): Defer to libgcc.mk.
862 * configure.in (slibdir): Substitute.
863 * mklibgcc.in (install): New target.
865 * config/t-linux (SHLIB_LINK): Create links for the soname.
866 (SHLIB_INSTALL): New.
867 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
868 * config/mips/t-iris6 (SHLIB_INSTALL): New.
869 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
870 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
871 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
873 2001-01-07 Richard Henderson <rth@redhat.com>
875 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
876 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
877 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
879 2001-01-07 Michael Hayes <mhayes@redhat.com>
881 * loop.c (count_loop_regs_set): Delete.
882 (load_mems_and_recount_loop_regs_set): Delete.
883 (loop_regs_scan): Merge common code from count_loop_regs_set,
884 scan_loop, and load_mems_and_recount_loop_regs_set.
885 (scan_loop): Call load_mems directly and loop_regs_scan
886 again if new registers created.
888 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
890 * toplev.c (main): Call the front-end specific post_options
891 hook if one is given.
892 * toplev.h (struct_lang_hooks, lang_hooks): New.
893 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
895 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
896 lang_hooks for the C++ front end.
897 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
898 lang_hooks for the ObjC front end.
899 * f/com.c (lang_hooks): Hooks for the Fortran front end.
900 * java/lang.c (lang_hooks): Hooks for the Java front end.
902 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
904 * c-lex.c (init_c_lex): Request #define / #undef callbacks
905 for verbose DWARF[2] debugging.
906 (cb_define, cb_undef): The new callbacks.
907 * toplev.h (debug_define, debug_undef): Make const correct.
908 * toplev.c (debug_define, debug_undef): Similarly. Do not
909 perform the verbosity tests here anymore.
911 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
913 * reload.c (subst_reloads): Take INSN argument. When
914 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
915 * reload.h (subst_reloads): Adjust prototype.
916 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
917 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
918 present in JUMP_INSNs and copy them to JUMP_LABEL.
919 * flow.c (find_label_refs, find_basic_blocks_1): Skip
920 JUMP_INSNs and insns with REG_LABELs that are followed by
921 JUMP_INSNs with the same REG_LABEL.
922 * sched-rgn.c (is_cfg_nonregular): Likewise.
923 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
925 * unroll.c (unroll_loop): Look for REG_LABEL notes in
927 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
929 2001-01-06 Richard Henderson <rth@redhat.com>
931 * loop.c (scan_loop): Use xcalloc for the regs array.
932 (load_mems_and_recount_loop_regs_set): Zero the new memory
933 received from xrealloc.
935 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
937 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
939 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
941 * integrate.c (copy_rtx_and_substitute): When copying
942 an ignored return value, strip REG_FUNCTION_VALUE_P.
944 2001-01-06 Michael Hayes <mhayes@redhat.com>
946 * loop.c (debug_biv, debug_giv): New.
947 (loop_biv_dump): Break out from ...
948 (record_biv): ... here.
949 (loop_giv_dump): Break out from ...
950 (record_giv): ... here.
951 (loop_bivs_check): Use print_simple_rtl.
952 * unroll.c (loop_iterations): Use print_simple_rtl.
954 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
956 * pa.md (return, return_internal): Modify patterns to prevent regrename
957 mucking with the return pointer.
959 2001-01-05 Mike Stump <mrs@wrs.com>
961 * varasm.c (assemble_name): Ensure we output the stripped name.
963 2001-01-05 Richard Henderson <rth@redhat.com>
965 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
967 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
969 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
970 version supplied by Matteo Frigo.
972 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
974 * cpp.texi: Update for -MQ.
975 * cppinit.c (cpp_create_reader): Always create pfile->deps.
976 (cpp_cleanup): Always free pfile->deps.
977 (initialize_dependency_output): Don't create pfile->deps.
978 (cpp_handle_option): Similarly.
980 * gcc.c (cpp_options): Handle -MQ.
981 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
982 * mkdeps.c (base_name): Remove.
983 (deps_init): Don't allocate vector space until it's needed.
984 (deps_free): Only free vectors if allocated.
985 (deps_add_target, deps_add_dep): Update for initial allocation.
986 (deps_add_default_target): Don't strip to the base_name.
988 2001-01-05 DJ Delorie <dj@redhat.com>
990 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
991 (INIT_EXPANDERS): Define.
993 * config/v850/v850.c (struct machine_function): Define.
994 (v850_save_machine_status): New function.
995 (v850_restore_machine_status): New function.
996 (v850_return_addr): New function.
997 (v850_init_expanders): New function.
999 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1000 and v850_init_expanders.
1002 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1004 * cpplib.h (struct cpp_reader): Add help_only field.
1005 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1006 (cpp_handle_option): Set pfile->help_only if we see -h,
1007 --help, -target-help, or --version. Print version string but
1008 do not set help_only if we see -v or -version. Make text
1009 printed by -v match that printed by (-)-version.
1011 * cppmain.c (main): Exit after option parsing if
1012 pfile->help_only is true.
1014 * toplev.c (independent_decode_option): Call print_version,
1015 then exit, if we see --version (but not -version).
1016 (print_version): Split lengthy message into two lines.
1018 2001-01-05 Nick Clifton <nickc@redhat.com>
1020 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1021 temporary string for initialisation before calling ggc_alloc_string.
1023 2001-01-06 Michael Hayes <mhayes@redhat.com>
1025 * rtl.h (print_simple_rtl): New.
1026 * print-rtl.c (print_simple_rtl): New.
1028 (print_rtx): Disable printing of flags and modes, etc.,
1029 if `flag_simple` nonzero.
1031 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1033 * function.c (fixup_var_refs): Use push_to_full_sequence where
1036 2001-01-05 Michael Meissner <meissner@redhat.com>
1038 * flags.h (flag_reorder_blocks): Add declaration.
1039 (flag_rename_block): Ditto.
1041 2001-01-05 DJ Delorie <dj@redhat.com>
1043 * function.c (reorder_blocks): Make sure the flags are all reset
1044 before using them to mark blocks, else a second invocation will
1045 corrupt the block chain.
1046 (reorder_blocks_0): New, resets the flags.
1048 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
1050 * cse.c (find_comparison_args): Stop if the argument is known to
1053 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1055 * config/sh/sh.md (movdf): When splitting load into pair of
1056 registers, don't clobber the register used in the address too
1059 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
1061 * varasm.c (mark_constant_pool): Improve initial comments.
1062 (mark_constants): Move marking of constants to mark_constant.
1063 (mark_constant): New function to recursively mark all constants
1064 referred to by a constant.
1066 2001-01-05 Catherine Moore <clm@redhat.com>
1068 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
1070 2001-01-05 Phil Edwards <pme@sources.redhat.com>
1072 * cp/lang-options.h: Bring comment in line with reality.
1073 * f/lang-options.h: Likewise.
1074 * java/lang-options.h: Likewise.
1075 * objc/lang-options.h: Likewise.
1076 * ch/lang-options.h: Likewise.
1077 * f/g77.texi: And update the manual.
1079 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
1080 Denis Chertykov <denisc@overta.ru>
1082 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
1083 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
1084 * config/avr/avr.md (all peepholes that request a scratch register):
1085 Call it, FAIL the peephole if not safe (in interrupt functions).
1087 2001-01-05 Mark Mitchell <mark@codesourcery.com>
1089 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
1091 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
1093 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
1095 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
1096 BUILT_IN_CREAL and BUILT_IN_CIMAG.
1097 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
1098 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
1099 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
1101 * extend.texi: Document these builtins.
1103 2001-01-05 Daniel Berlin <dberlin@redhat.com>
1105 * c-common.c (lang_get_alias_set): Say we know nothing of
1106 VECTOR_TYPE aliasing.
1108 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
1110 2001-01-05 Bruce Korb <bkorb@gnu.org>
1112 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
1113 their x* equivalent versions for atexit-less systems
1114 * fixinc/fixincl.c(main): do not return from main() on atexit-less
1115 systems (or any other system any more).
1117 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
1119 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
1120 output operands. Use arm_hard_register_operand for operand 4.
1121 (stmsi_postinc): Similarly.
1122 (ldmsi): Use arm_hard_register_operand for opernand 2.
1124 * arm.c (arm_hard_register_operand): New function.
1125 * arm-protos.h (arm_hard_register_operand): Prototype it.
1127 * arm.h (HARD_REGNO_RENAME_OK): Define.
1129 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
1131 * simplify-rtx.c (cfc_args): add "unordered" field.
1132 (check_fold_consts): Set unordered field.
1133 (simplify_relational_operation): Simplify the unordered
1136 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
1139 * emit-rtl.c (try_split): Fix code to mark labels.
1140 * jump.c (mark_jump_label): Make global.
1141 * rtl.h (mark_jump_label): Declare.
1143 * predict.c (estimate_probability): Handle unordred comparisons.
1145 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1147 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
1148 * cppinit.c (initialize_dependency_output): Update.
1149 (cpp_finish): Output dummy targets for -MP.
1151 (cpp_handle_option): Handle -MP. Don't quote -MT options.
1152 * cpplib.h (struct cpp_options): Add deps_phony_targets.
1153 * gcc.c (cpp_options): Update to handle -MP.
1154 * mkdeps.c (deps_add_target, deps_add_default_target): Update
1155 to quote only the default target.
1156 (deps_phony_targets): Insert a preceding newline. Rename from
1157 deps_dummy_targets for consistency.
1160 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1162 * calls.c (emit_library_call_value_1): Support
1163 INIT_CUMULATIVE_LIBCALL_ARGS.
1164 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
1166 2001-01-04 Richard Henderson <rth@redhat.com>
1168 * c-decl.c (finish_struct): Detect flexible array members
1169 used in an inappropriate context.
1170 * c-typeck.c (really_start_incremental_init): Special case
1171 constructor_max_index for zero length arrays.
1172 (pop_init_level): Allow initialization of flexible array
1173 members. Deprecate initialization of zero length arrays.
1174 Don't issue missing initializer warning for flexible array
1175 members or zero length arrays.
1176 (process_init_element): Don't dereference null DECL_SIZE.
1177 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
1178 Don't abort for empty constructors. Use size_binop
1179 (output_constructor): Add commentary regarding zero length
1180 array futures. Abort if we try to initialize an array of
1181 unspecified length with a non-empty constructor in the middle
1184 * extend.texi (Zero Length): Update and clarify documentation
1185 on static initialization.
1187 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1189 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
1190 with more than 32767 words of local storage.
1192 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1194 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
1195 for 'abs', 'labs', and 'fabs'.
1196 (c4x_expand_builtin): Likewise.
1197 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
1199 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1201 * config/sh/sh.md (prget, prset): New insn types.
1202 (return delay slot): Dont' allow prset.
1203 (call, sfunc delay slot): Don't allow prget.
1204 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
1205 for prset and prget.
1207 2001-01-05 Michael Hayes <mhayes@redhat.com>
1209 * loop.h (struct loop_reg): New.
1210 (struct loop_regs): Change to use array of `struct loop_reg'.
1211 * loop.c: Replace assortment of varrays with single regs array.
1212 (count_one_set): Delete may_not_move array argument
1213 and use regs array instead. All caller's changed.
1214 (count_loop_regs_set): Delete may_not_move and single_usage
1215 arguments and use regs array instead. All caller's changed.
1216 (find_single_use_in_loop): Replace usage array argument with pointer
1217 to regs structure. All caller's changed.
1218 (loop_optimize): Delete `moved_once' array.
1220 2001-01-05 Michael Hayes <mhayes@redhat.com>
1222 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
1223 Use it instead of loop_info->has_call for scanning loop mems.
1224 (check_dbra_loop): Replace loop_info->has_call test with
1225 loop_info->has_nonconst_call.
1227 2000-01-04 Matthew Hiller <hiller@redhat.com>
1229 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
1232 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1234 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
1235 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
1237 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1239 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
1240 (flag_short_double, flag_short_wchar): Define.
1241 (c_common_nodes_and_builtins): Create many tree nodes shared
1242 between C and C++ here instead of in cp/decl.c and ...
1243 * c-decl.c (init_decl_processing): ... here.
1244 (SIZE_TYPE, WCHAR_TYPE): Don't define.
1245 (flag_short_double, flag_short_wchar): Don't define.
1246 (record_builtin_type): New function.
1247 (build_void_list_node): New function.
1248 * c-common.h (flag_short_double, flag_short_wchar,
1249 record_builtin_type, build_void_list_node): Declare.
1251 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
1253 * integrate.c (expand_inline_function): Don't put a virtual
1254 register into the reg map.
1256 * function.c (fixup_var_refs_1): If force_operand didn't put
1257 the address into the target, move it there.
1259 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1261 Special-case tree_decl/tree_list allocations.
1262 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
1263 (OBJECT_SIZE): New macro.
1264 (NUM_EXTRA_ORDER): Likewise.
1265 (extra_order_size_table): New variable.
1266 (NUM_ORDERS): New macro.
1267 (objects_per_page_table): New variable.
1268 (object_size_table): New variable.
1269 (G.pages): Use NUM_ORDERS to bound the array.
1270 (G.page_tails): Likewise.
1271 (DIV_ROUND_UP): Remove.
1272 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
1273 (alloc_page): Use OBJECT_SIZE.
1274 (size_lookup): Don't make it const.
1275 (ggc_alloc): Use OBJECT_SIZE.
1276 (ggc_set_mark): Likewise.
1277 (ggc_get_size): Likewise.
1278 (init_ggc): Set up the object_size_table, objects_per_page_table,
1279 and adjust size_lookup.
1280 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
1281 (ggc_pop_context): Use NUM_ORDERS.
1282 (clear_marks): Likewise.
1283 (sweep_pages): Likewise.
1284 (poison_pages): Likewise.
1285 (ggc_print_statistics): Use OBJECT_SIZE.
1287 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1289 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
1290 Only call array_size_for_constructor if last field and array type
1291 with no upper bound.
1293 2001-01-04 Philip Blundell <philb@gnu.org>
1295 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
1296 from bit 31 downwards, if this requires no more insns.
1297 (count_insns_for_constant): New helper function for above.
1299 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
1301 * gencodes.c (output_predicate_decls): Remove empty initializer.
1303 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1305 * tree.c (copy_node): Remove documentation about obstacks.
1306 (buidl1): Check that nobody tries to build 2-argument nodes this
1309 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1311 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
1314 * gencodes.c (output_predicate_decls): Fill empty initializer
1317 2001-01-04 Jakub Jelinek <jakub@redhat.com>
1319 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
1320 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
1322 (do_include): Handle missing headers like cpp0.
1323 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
1324 paths with first include pathname. Don't strcat to uninitialized
1327 2001-01-04 Bernd Schmidt <bernds@redhat.com>
1329 * regrename.c (regrename_optimize): Don't rename from frame pointer
1330 if frame_pointer_needed.
1331 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
1332 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
1333 (ia64_reorg): Use it instead of scheduling if ! optimize.
1334 (errata_emit_nops): Properly call asm_noperands.
1335 (ia64_sched_reorder): Finish cycle if we see an asm.
1336 (ia64_variable_issue): Clear scheduling state after asms.
1338 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
1340 * cpp.texi: Update for -MT.
1341 * cppinit.c (initialize_dependency_output): Add a default
1342 target if none has been given already.
1343 (no_tgt, OPT_MT): New.
1344 (cpp_handle_option): Handle -MT. Update -M etc.
1345 * cpplib.h (struct cpp_options): Remove deps_target.
1346 * gcc.c (cpp_options): Handle -MT.
1347 * mkdeps.c (struct deps): Move from mkdeps.h.
1348 (deps_calc_target): Rename deps_add_default_target. Add a
1349 default target if none has been specified already.
1350 * mkdeps.h (struct deps): Move to mkdeps.c.
1351 (deps_calc_target): Rename deps_add_default_target.
1353 2000-01-03 Richard Henderson <rth@redhat.com>
1355 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
1357 * c-typeck.c (push_init_level): Move checks for flexible array
1358 members and zero length arrays ...
1359 (pop_init_level): ... here. Silently discard empty initializations.
1361 * varasm.c (output_constructor): Update for sizeof change to
1364 * extend.texi (Zero Length): Clarify semantics.
1366 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1368 * configure.in (tm.h): Include isns-codes.h last.
1369 * configure: Rebuilt.
1371 2001-01-03 Richard Henderson <rth@redhat.com>
1373 * config/alpha/alpha.md (addvsi3, addvdi3): New.
1374 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
1376 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1378 * tradcpp.c (main): Make sure finclude() is called with a valid
1379 indepth value while handling -include.
1381 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1383 * gencodes.c (output_predicate_decls): New function.
1385 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
1386 even if it is not the first time machmode.h is #included.
1387 * config/sh/sh.c (fpul_operand): Declare MODE argument.
1388 * tm.texi (PREDICATE_CODES): Document predicate declarations.
1389 * gcc.texi (Copyright): Added 2001.
1391 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1393 * c-common.c (c_common_lang_init): New function. Warn if format
1394 warning options which only have effects when used with -Wformat
1395 are used without -Wformat.
1396 * c-common.h (c_common_lang_init): Declare.
1397 * c-lang.c (lang_init): Call c_common_lang_init.
1398 * objc/objc-act.c (lang_init): Call c_common_lang_init.
1400 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1402 * configure.in: Check for the mktemp command.
1403 * configure: Regenerate.
1404 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
1405 $TEMP. Create temporary files with mktemp, if available at
1406 configure time; otherwise use set -C. Remove temporary files
1409 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1411 * configure.in: Require at least texinfo 4.0. Check for whether
1412 Pod::Man is sufficiently recent to regenerate GCC manpages.
1413 * configure: Regenerate.
1414 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
1416 (GENERATED_MANPAGES): Define.
1417 (generated-manpages): New target. Depend on cpp.1 as well as
1419 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
1420 configure to generated-manpages or empty) rather than on the
1421 manpages directly. Remove execute permission from installed
1422 gcov.1 as well as cpp.1.
1423 * cpp.1, gcov.1: Regenerate.
1425 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1427 * builtins.c (expand_builtin_strncmp): Use host_integerp and
1428 tree_low_cst. Allow using cmpstrsi in more cases.
1430 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1432 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
1435 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
1437 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
1438 * Makefile.in (HOST_CFLAGS): Mention build-make.
1440 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1442 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
1445 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1447 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
1450 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
1453 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
1454 reg_base_value and reg_known_value arrays.
1455 (init_alias_analysis): Add more cases to detect known values.
1456 * sched-deps.c (deps_may_trap_p): New function.
1457 (sched_analyze_2): Use it.
1459 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1461 * combine.c (simplify_shift_const): Even if we're sign-extracting,
1462 don't discard an ASHIFTRT if we're shifting in a wider mode.
1464 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1466 * toplev.c (rest_of_compilation): Don't print basic block information
1467 when CFG isn't up to date.
1469 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
1471 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
1472 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
1473 (UNALIGNED_SHORT_ASM_OP): Define.
1474 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
1476 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1478 * fold-const.c (fold_convert): Fix typo.
1480 2001-01-02 Richard Henderson <rth@redhat.com>
1482 * c-common.h (ASM_INPUT_P): New.
1483 * c-parse.in (asm): Set it when needed.
1484 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
1485 existance of an operand.
1487 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
1489 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
1490 (dwarf2out_frame_debug_expr): Likewise.
1491 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
1493 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
1495 * i386.c (ix86_split_to_parts): Return number of part required;
1497 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
1499 (ix86_split_long_move): Use number of part returned
1500 by ix86_split_to_parts
1501 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
1503 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
1504 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
1505 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
1506 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
1507 (ALIGN_MODE_128): Add TFmode.
1508 (IS_STACK_MODE): Likewise.
1509 (HARD_REGNO_NREGS): TFmode needs 3 registers.
1510 (HARD_REGNO_OK): Support TFmodes.
1511 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
1512 * i386.md (scheduler definitions): Use memory operand to determine
1513 fst/fld instructions; use mode attribute to determine real mode of
1515 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
1516 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
1518 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1520 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
1522 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1524 * expr.c (store_constructor_field): Update ALIGN before calling
1527 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1529 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
1532 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1534 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
1537 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1539 * c-decl.c (start_function): Don't warn on third parameter to main.
1541 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1543 * tsystem.h: Define HAVE_DECL_GETOPT.
1545 2001-01-02 Philip Blundell <pb@futuretv.com>
1547 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
1550 2001-01-02 Richard Henderson <rth@redhat.com>
1552 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
1554 2001-01-02 Andreas Jaeger <aj@suse.de>
1556 * c-decl.c (c_decode_option): Remove support of
1559 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
1560 (W_options): Add -Wmissing-noreturn here.
1562 * flow.c: Define lang_missing_noreturn_ok_p.
1563 (check_function_return_warnings): Use it.
1565 * c-common.h: Declare lang_missing_noreturn_ok_p.
1567 * c-lang.c (c_missing_noreturn_ok_p): New function.
1568 (lang_init): Set lang_missing_noreturn_ok_p.
1570 * invoke.texi (Warning Options): Document this.
1572 2000-12-27 Phil Edwards <pme@sources.redhat.com>
1574 * extend.texi (C++ Extensions): New node for C++ attributes;
1575 describe init_priority and com_interface.
1576 * invoke.texi: Remove -finit-priority as it now has zero effect.
1577 * install.texi: Fix xref syntax.
1578 * md.texi: Likewise.
1580 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1582 * config.gcc (sparc64-wrs-vxworks*): New case.
1583 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
1585 * config/sparc/sparc.c (sparc_override_options): Do support different
1586 pointer and architecture size.
1587 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
1588 (POINTERS_EXTEND_UNSIGNED): Define.
1589 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
1590 (FUNCTION_MODE): Define to be Pmode.
1591 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
1593 * function.c (expand_function_end): Properly handle DECL_RESULT
1594 and copy when ptr_mode != Pmode.
1595 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
1597 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1599 * c-common.c (c_common_nodes_and_builtins): Set prototype
1600 parameters for __builtin_fputs, __builtin_fputc and
1601 __builtin_fwrite. Don't declare plain fputc as a builtin.
1603 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1605 * loop.c (add_label_notes): Increment the label usage count when
1606 a note is added to an insn which refers to a CODE_LABEL.
1607 * gcse.c (add_label_notes): Likewise.
1609 2001-01-01 Andreas Jaeger <aj@suse.de>
1611 * loop.c (scan_loop): Use xmalloc to allocate movables.
1613 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
1615 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
1616 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
1617 * reload1.c (REGISTER_MOVE_COST): Likewise.
1618 * regclass.c (REGISTER_MOVE_COST): Likewise.
1619 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
1620 dimension. Adjust all users.
1621 (init_reg_sets_1): Iterate on all modes.
1622 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
1623 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
1624 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
1625 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
1626 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
1627 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
1628 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
1629 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
1630 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
1631 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
1632 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
1633 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
1634 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
1635 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
1636 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
1637 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
1638 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
1639 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
1640 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
1641 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
1642 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
1643 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
1644 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
1645 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
1646 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
1647 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
1648 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
1650 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1652 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
1653 arg VARIES_P. Call it with extra arg.
1654 (true_dependence): Likewise.
1655 * rtl.h (rtx_addr_can_trap_p): Declare.
1656 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
1658 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
1659 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
1660 pic offset table register if it's zero. All callers changed.
1661 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
1663 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1665 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
1666 STRING_POOL_ADDRESS_P.
1668 * config/sparc/sparc.c (input_operand): Properly test for short op.
1670 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
1671 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
1672 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
1673 * config/sparc/elf.h: No longer include sol2.h.
1674 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
1675 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
1677 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
1679 2001-01-01 Michael Hayes <mhayes@redhat.com>
1681 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
1682 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
1683 (record_initial): Likewise.
1684 * unroll.c (copy_loop_body, loop_iterations): Likewise.
1685 (remap_split_bivs): Likewise.
1687 2001-01-01 Michael Hayes <mhayes@redhat.com>
1689 * loop.c (loop_ivs_free): New function.
1690 (strength_reduce): Break out from...
1692 2001-01-01 Michael Hayes <mhayes@redhat.com>
1694 * loop.h (struct iv): New.
1695 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
1696 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
1697 'reg_biv_class' fields with 'regs' and 'n_regs'.
1698 (struct ivs): Rename 'loop_iv_list' field to 'list'.
1699 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
1700 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
1702 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
1704 * resource.c (mark_referenced_resources): Abort() before
1705 attempting to mark a pseudo register.
1706 (mark_set_resources): Likewise.
1708 2001-01-01 Michael Hayes <mhayes@redhat.com>
1710 * loop.h (REG_IV_CLASS): New accessor macro.
1711 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
1712 * unroll.c (REG_IV_CLASS): Likewise.
1714 See ChangeLog.4 for earlier changes.