1 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
5 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
6 check-objc//%): Support parallel testing of multilibs.
7 (TESTSUITEDIR): Set to testsuite by default, but override for
9 (check-gcc, check-g++, check-g77, check-objc): Enter
12 2001-01-11 Bernd Schmidt <bernds@redhat.com>
14 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
15 * sched-deps.c (deps_may_trap_p): Likewise.
16 * basic-block.h: Remove a comment.
17 * flow.c (PROP_POSTRELOAD): Remove.
18 (update_life_info): Don't add it to prop_flags.
19 (mark_set_1): Lose the code that was enabled by it.
21 2001-01-11 Michael Hayes <mhayes@redhat.com>
23 * flow.c (flow_call_edges_add): New.
24 * basic_block.h (flow_call_edges_add): New.
26 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
28 * reload1.c (move2add_note_store): Update reg_set_luid even if
29 base reg remains the same.
31 2001-01-10 Nick Clifton <nickc@redhat.com>
33 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
34 machine_function structure to zero.
35 Add prototypes for machine_status functions.
37 2001-01-10 Mark Mitchell <mark@codesourcery.com>
39 * c-common.h (CTI_VOID_LIST): Remove.
40 (void_list_node): Likewise.
41 * tree.h (TI_VOID_LIST_NODE): New enumeral.
42 (void_list_node): New macro.
43 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
44 * config/i386/i386.c (ix86_init_builtins): Likewise.
45 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
47 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
49 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
50 * cppinit.c (cpp_start_read): Update comment, remove unneeded
52 * tradcpp.c: Include mkdeps.h.
53 (deps, print_deps_phony_targets, deps_append, output_deps,
54 init_dependency_output, output_deps): New.
55 (deps_buffer, deps_allocated_size, deps_size, deps_column,
57 (print_deps_missing_files): Rename deps_missing_files.
58 (inhibit_output): Make global.
59 (main): Delete inhibit_output, deps_stream, deps_target.
60 Use mkdeps functionality in the same way as cpplib. Remove
61 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
62 -M and -MM. Remove old handling of deps via deps_out, and
63 old reading of environment variables.
64 (get_filename): Update to use deps_add_dep.
66 2001-01-10 Mark Mitchell <mark@codesourcery.com>
68 * output.h (make_function_rtl): Remove prototype.
69 (make_decl_rtl): Likewise.
70 * varasm.c (make_function_rtl): Remove.
71 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
72 than from a third parameter.
73 * tree.h (make_decl_rtl): Remove last parameter.
74 * c-decl.c (builtin_function): Remove last argument in call to
75 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
76 (start_function): Likewise.
77 * except.c (call_get_eh_context): Likewise.
78 * expr.c (emit_block_move): Likewise.
79 (clear_storage): Likewise.
80 * profile.c (output_func_start_profiler): Likewise.
81 * toplev.c (rest_of_decl_compilation): Likewise.
82 * objc/objc-act.c (create_builtin_decl): Likewise.
83 (synth_module_prologue): Likewise.
84 (generate_static_reference): Likewise.
85 (build_selector_reference_decl): Likewise.
86 (build_class_reference_decl): Likewise.
87 (build_objc_string_decl): Likewise.
88 (build_protocol_reference): Likewise.
90 2001-01-10 Richard Henderson <rth@redhat.com>
92 * hwint.h: Revert yesterday's change.
94 2001-01-10 Nick Clifton <nickc@redhat.com>
96 * function.h (save_machine_status): Delete.
97 (restore_machine_status): Delete.
98 Amend comment describing {init|mark|free}_machine_status.
100 * function.c (save_machine_status): Delete.
101 (restore_machine_status): Delete.
102 Amend comment describing {init|mark|free}_machine_status.
103 (push_function_context_to): Remove invocation of
105 (pop_function_context_from): Remove invocation of
106 restore_machine_status.
108 * emit-rtl.c (init_emit_once): Amend comment describing
109 {init|mark|free}_machine_status.
111 * tm.texi (Per-Function Data): New node. Describe the
112 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
115 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
117 * cppinit.c (OPT_g): Remove.
118 (cpp_handle_option): Update for removed -g3.
119 (print_help): Update.
120 * cpplib.h (struct cpp_options): Remove debug_output.
121 * cppmain.c (setup_callbacks, cb_define): Update.
122 * gcc.c (cpp_options): Translate -g3 to -dD.
124 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
126 * config/i960/i960.md: Change modifier to + on the zero_extract
127 pattern after the (rotate -2 reg) canonicalization pattern.
129 2001-01-10 Richard Henderson <rth@redhat.com>
131 * config/alpha/alpha.c (alpha_free_machine_status): New.
132 (override_options): Install it.
133 (alpha_mark_machine_status): Verify machine non-null.
134 * config/i386/i386.c (ix86_free_machine_status): New.
135 (override_options): Install it.
136 (ix86_init_machine_status): Use xcalloc.
137 (ix86_mark_machine_status): Verify machine non-null.
138 * config/ia64/ia64.c (ia64_free_machine_status): New.
139 (ia64_override_options): Install it.
140 (ia64_mark_machine_status): Verify machine non-null.
142 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
144 * function.c (instantiate_virtual_regs): Instantiate virtual
145 registers found in CALL_INSN_FUNCTION_USAGE.
147 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
149 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
150 equivalent to -ansi in disabling -Di386.
152 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
154 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
156 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
158 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
160 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
162 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
164 * invoke.texi: Document that -fcond-mismatch isn't supported for
167 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
169 * gcc.texi: Define macro gcctabopt.
170 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
171 @command, @env and @option in some places where appropriate. Use
172 @gcctabopt where appropriate. Put URLs and email addresses inside
175 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
177 * gcc.c (cpp_options): Set MD file name from output
178 filename, if specified.
179 (suffix_subst): New static variable.
181 (do_spec_1, case '.'): Handle new `%.suffix' spec.
183 (give_switch): Handle suffix_subst.
185 2001-01-10 Phil Edwards <pme@sources.redhat.com>
187 * invoke.texi: Fix another typo.
189 2001-01-10 Phil Edwards <pme@sources.redhat.com>
191 * invoke.texi: Fix typo.
193 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
195 * c-lang.c (lang_hooks): Update.
196 (lang_decode_option): Remove.
197 (lang_init_options): Rename c_init_options.
198 * toplev.c (main): Use lang_hooks for lang_init_options
199 and lang_decode_option.
200 * toplev.h (lang_hooks): Add 2 new hooks.
201 * tree.h: Remove lang_init_options and lang_decode_option.
202 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
203 * cp/decl2.c: Similarly.
204 * cp/lex.c (lang_init_options): Rename cxx_init_options.
205 (lang_hooks): Update.
206 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
208 (lang_init_options): Rename ffe_init_options.
209 (lang_hooks): Update.
210 (lang_decode_option): Remove.
211 * java/lang.c (lang_init_options): Rename java_init_options.
212 (lang_decode_option): Rename java_decode_option.
213 (lang_hooks): Update.
214 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
215 (lang_decode_option): Rename objc_decode_option.
216 (lang_hooks): Update.
218 2001-01-09 Nick Clifton <nickc@redhat.com>
220 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
221 (d30v_return_addr_rtx): Delete.
222 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
223 cfun->machine structure.
224 (struct machine_function): Move to d30v.h
225 (d30v_save_machine_status): Delete.
226 (d30v_restore_machine_status): Delete.
227 (d30v_init_machine_status): New Function.
228 (d30v_mark_machine_status): New Function.
229 (d30v_free_machine_status): New Function.
230 (d30v_init_expanders): Use new functions.
231 (d30v_return_addr): Use ra_rtx field in cfun->machine.
232 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
233 d30v_return_addr_rtx.
235 * config/d30v/d30v.h (struct_machine): Move here.
236 Add eh_epilogue_sp_ofs field.
238 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
239 field in cfun->machine structure.
241 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
243 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
244 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
245 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
247 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
249 * objc/lang-options.h: Remove bogus reference to
252 2001-01-09 Kazu Hirata <kazu@hxi.com>
254 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
257 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
259 * reload.c (find_reloads_address): Check for eliminable registers
260 when substituting a constant expression for a pseudo.
262 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
264 * c-common.c (enum format_type): Add format_type_error.
265 (decode_format_type): New function.
266 (decl_attributes): Use it.
267 (format_kind_info): Adjust comment.
269 2001-01-09 David O'Brien <obrien@BSDi.com>
271 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
272 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
274 * config/i386/gnu.h: Don't include required platform specific .h files,
275 tm.h will do it instead.
276 * config/i386/i386elf.h: Likewise.
277 * config/i386/linux.h: Likewise.
278 * config/i386/moss.h: Likewise.
279 * config/mips/gnu.h: Likewise.
281 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
283 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
284 (rs6000-ibm-aix3.[01]*): Likewise.
285 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
286 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
287 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
288 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
289 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
290 (powerpc-*-eabiaix*): Likewise.
291 (powerpc-*-eabisim*): Likewise.
292 (powerpc-*-elf*): Likewise.
293 (powerpc-*-eabi*): Likewise.
294 (powerpc-*-rtems*): Likewise.
295 (powerpc-*-linux*libc1): Likewise.
296 (powerpc-*-linux*): Likewise.
297 (powerpc-wrs-vxworks*): Likewise.
298 (powerpcle-wrs-vxworks*): Likewise.
299 (powerpcle-*-sysv*): Likewise.
300 (powerpcle-*-elf*): Likewise.
301 (powerpcle-*-eabisim*): Likewise.
302 (powerpcle-*-eabi*): Likewise.
303 (powerpcle-*-solaris2*): Likewise.
304 * config/rs6000/aix31.h: Delete includes.
305 * config/rs6000/aix3newas.h: Likewise.
306 * config/rs6000/aix41.h: Likewise.
307 * config/rs6000/aix43.h: Likewise.
308 * config/rs6000/beos.h: Likewise.
309 * config/rs6000/rtems.h: Likewise.
310 * config/rs6000/sysv4.h: Likewise.
312 2001-01-09 Kazu Hirata <kazu@hxi.com>
314 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
315 Change an argument mode of machine_mode to shift_mode of
316 shift_mode. Remove an extra error check.
317 (emit_a_shift): Adopt to the new calling prototype of
319 (function_prologue): Fix code for a monitor
320 function. Support H8/S.
321 (function_epilogue): Do not output pop for a monitor function.
323 2001-01-09 Nick Clifton <nickc@redhat.com>
325 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
326 (setup_incoming_varargs): Use sysv_varargs_p field of the
327 cfun->machine structure.
328 (struct machine_function): Move to rs6000.h
329 (rs6000_save_machine_status): Delete.
330 (rs6000_restore_machine_status): Delete.
331 (rs6000_init_machine_status): New Function.
332 (rs6000_free_machine_status): New Function.
333 (rs6000_init_expanders): Use new functions.
335 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
337 (struct machine_function): Move here.
339 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
340 sysv_varargs_p field of the cfun->machine structure.
342 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
344 (rs6000_restore_machine_status): Remove prototype.
346 2001-01-09 Richard Henderson <rth@redhat.com>
348 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
349 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
350 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
351 (sched_analyze_2, sched_analyze_insn): Likewise.
352 (sched_analyze, init_deps): Likewise.
353 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
354 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
355 (compute_block_backward_dependences): Update propagate_deps call.
357 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
359 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
361 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
363 * cppinit.c (OPT_MD, OPT_MMD): Restore.
364 (cpp_handle_option): Handle them.
365 (cpp_post_options): Ensure one of -M or -MM is specified with
366 any other -M? option.
367 (init_dependency_output): Suppress output with -MG.
369 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
372 * invoke.texi: Update.
374 2001-01-09 Bernd Schmidt <bernds@redhat.com>
376 * sh.md (reload_outsf): Generate recognizable patterns for
379 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
381 * c-lang.c (lang_hooks): Update.
382 (lang_init): Rename c_init.
383 (lang_finish): Remove.
384 * toplev.c (compile_file): Use lang_hooks for lang_init ()
386 * toplev.h (lang_hooks): Add init () and finish ().
387 * tree.h (lang_init, lang_finish): Remove.
388 * cp/tree.h (lang_init, lang_finish): Remove.
389 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
390 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
392 (lang_init, lang_finish): Remove.
393 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
394 (lang_hooks): Update.
395 * java/lang.c (lang_init): Rename java_init.
396 (lang_finish): Remove.
397 (lang_hooks): Update.
398 * objc/objc-act.c (lang_init): Rename objc_init.
399 (lang_finish): Remove.
400 (lang_hoooks): Update.
402 20001-01-09 Graham Stott <grahams@redhat.com>
404 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
405 after `ptr` is initialised.
407 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
409 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
410 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
411 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
412 stack adjusts, instead of r3.
414 2001-01-09 Michael Hayes <mhayes@redhat.com>
416 * flow.c (flow_loop_scan): Break out of ...
417 (flow_loops_find) ... here.
418 * basic-block.h (flow_loop_scan): New.
419 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
420 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
422 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
424 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
426 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
427 realloc()ing macro_buffer.
429 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
430 if it's wider than long and the target's long is wider than the
433 2001-01-09 Mark Mitchell <mark@codesourcery.com>
435 Remove support for using UWIN as a host machine.
436 * configure.in: Issue an error message.
437 * configure: Regenerated.
438 * config.gcc: Remove xm_* UWIN configury.
439 * config/i386/xm-uwin.h: Remove.
441 2001-01-08 Nick Clifton <nickc@redhat.com>
443 * config/v850/v850.c (ra_rtx): Delete.
444 (v850_save_machine_status): Delete.
445 (v850_restore_machine_status): Delete.
446 (v850_init_machine_status): New function.
447 (v850_mark_machine_status): New function.
448 (v850_free_machine_status): New function.
449 (v850_return_addr): Use ra_rtx field in machine structure.
450 (v850_init_expanders): Use new functions.
452 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
453 * config/v850/v850.c: Change arguments to v850_output+* functions
454 to take a const char *, to avoid compile time warning.
455 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
456 (USER_LABEL_PREFIX): Redefine.
458 2000-01-08 Jim Wilson <wilson@redhat.com>
460 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
461 1 to unsigned HOST_WIDE_INT before left shift.
463 2001-01-08 Nick Clifton <nickc@redhat.com>
465 * config/arm/arm.c (arm_mark_machine_status): Check to see if
466 the machine structure has been allocated.
467 (arm_free_machine_status): New function: Free the machine
468 specific function structure.
470 2001-01-08 Richard Henderson <rth@redhat.com>
472 * jump.c (simplejump_p): Revert last change.
474 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
476 * cppinit.c (init): Rename init_library.
477 (cpp_create_reader): Update.
478 * gcc.c (cpp_options): If -o given, use it as the target of
481 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
483 * arm.c (arm_arch5e): New variable.
484 (all_cores): XScale is a 5TE device.
485 (arm_override_options): Set arm_arch5e.
486 (arm_init_builtins): __builtin_prefetch is in arch5e.
487 * arm.h (arm_arch5e): Declare it.
489 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
491 * arm.md (define_constants): Add defines for UNSPEC and
492 UNSPEC_VOLATILE insns. Update all users.
493 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
494 * arm.c (multi_register_push, note_invalid_constants)
495 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
496 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
497 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
499 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
501 * jump.c (jump_optimize_1): Use reversed_comparison_code
502 instead of can_reverse_comparison_p.
503 (jump_back_p): Likewise.
504 (invert_exp_1): Likewise.
505 (thread_jumps): Likewise.
506 * simplify-rtx.c (simplify_unary_operation): Likewise.
507 (simplify_ternary_operation): Likewise.
508 * cse.c (find_comparison_args): Convert to use
509 can_reverse_comparison_p.
510 (record_jump_equiv): Likewise.
512 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
514 * arm.h (HARD_REGNO_RENAME_OK): Delete.
515 (EPILOGUE_USES): Define.
516 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
517 automatically stack the LR if it isn't live.
519 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
521 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
524 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
526 * ggc-page.c (max_alignment): New structure.
527 (MAX_ALIGNMENT): New macro.
528 (init_ggc): Use it to round up the sizes in the
529 extra_order_size_table.
531 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
533 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
536 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
538 * builtins.def (BUILT_IN_FPRINTF): New entry.
540 * c-common.c (c_expand_builtin_fprintf): New function.
541 (init_function_format_info): Handle __builtin_fprintf.
542 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
543 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
545 * c-decl.c (duplicate_decls): Adjust comment.
547 * extend.texi (fprintf): Document new builtin.
549 2001-01-07 Richard Henderson <rth@redhat.com>
551 * jump.c (simplejump_p): Recognize any single_set jump
554 2001-01-07 Richard Henderson <rth@redhat.com>
556 * configure.in (slibdir): Accept an --with-slibdir option.
557 Use "test" not "[" in configure. Default to $(libdir).
559 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
561 * config/t-aix43 (SHLIB_INSTALL): Likewise.
562 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
563 (SHLIB_LINK): Create links for the soname.
564 * config/mips/t-iris6: Likewise.
565 * config/sparc/t-slibgcc: Likewise.
566 * config/sparc/t-slibgcc-sld: Likewise.
568 2001-01-07 Jakub Jelinek <jakub@redhat.com>
570 * config/i386/i386.c (constant_call_address_operand): Accept
571 (const (plus (symbol_ref) (const_int))).
572 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
573 constant_call_address_operand.
575 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
577 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
578 and LONG_LONG_TYPE_SIZE > 32.
580 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
582 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
585 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
587 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
589 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
590 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
591 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
594 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
596 * fix-header.c (read_scan_file): s/pfile/scan_in/.
598 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
600 * c-lang.c (c_post_options): Call cpp_post_options.
601 * objc/objc-act.c (objc_post_options): Similarly.
602 * cppmain.c (main): Similarly.
603 * fix-header.c (read_scan_file): Similarly.
604 * cppinit.c (cpp_start_read): Move option consistency checks
605 to cpp_post_options. Don't call init_dependency_output.
606 If needed, add default target and main file dependency.
607 (OPT_MD, OPT_MMD): Remove.
609 (cpp_handle_option): Update for OPT_* changes.
610 (cpp_post_options): New.
611 (init_dependency_output): Command line -MF overrides environment
612 variables. Don't set default target etc. Suppress output
613 if dependencies are going to stdout.
614 (print_help): Update.
615 * cpplib.h (cpp_post_options): New.
616 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
618 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
620 * jump.c (comparison_dominates_p): Support unordered compares.
622 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
624 * simplify-rtx.c (simplify_relational_operation): Always simplify
625 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
628 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
630 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
631 (nonzero_bits): Likewise.
632 (simplify_comparison): Likewise.
633 (num_sign_bit_copies): Likewise; return more sane value depending
635 (known_cond): Do not assume EQ to be always true for equivalent
638 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
640 * cse.c (fold_rtx): Handle unordered comparisons.
642 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
644 * rtlanal.c (set_of_1): New static function.
645 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
646 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
647 reg_set_last_last_regno): Remove.
648 (set_of): New global function.
649 (set_of_data): New structure.
650 (reg_set_p, reg_set_last): Revamp for set_of.
651 * rtl.h (set_of): New.
653 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
655 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
656 * extend.texi: Document _Exit builtin.
658 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
660 * (initialize, initialize_builtins,
661 initialize_dependency_output, initialize_standard_includes):
662 Rename s/initialize/init. Update.
663 (init_dependency_output): Move to after
664 cpp_handle_options, the correct location temporally at least.
665 (opt_comp): Move next to init (), its caller. Fix prototype.
666 (init): Make "initialized" local scope.
667 (cpp_create_reader): Always call init ().
668 (cpp_start_read): Update.
669 (output_deps): New function, broken out of cpp_finish.
670 (cpp_finish): Break out output_deps.
672 2001-01-07 Richard Henderson <rth@redhat.com>
674 * collect2.c (COFF specific stuff): Revert 12-06 patch
675 to prototype system functions.
677 2001-01-07 Michael Hayes <mhayes@redhat.com>
679 * hard-reg-set.h: Add multiple include guard.
680 * basic-block.h (struct loop): Add `sink' field.
681 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
682 (emit_iv_add_mult): Delete.
683 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
684 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
685 (unroll_loop): Remove end_insert_before argument.
686 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
687 (maybe_eliminate_biv_1): Likewise.
688 (emit_iv_add_mult): Delete.
689 (gen_add_mult, loop_regs_update): New.
690 (loop_insn_emit_after, loop_insn_emit_before): New.
691 (loop_insn_sink, loop_insn_sink_or_swim): New.
692 (emit_iv_add_mult): Delete.
693 (scan_loop): Set loop->sink.
694 (loop_givs_reduce): Use loop_insn_sink and its ilk.
695 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
696 (maybe_eliminate_biv_1): Likewise.
697 (maybe_eliminate_biv_1): Add basic block argument.
698 * unroll.c (unroll_loop): Remove end_insert_before argument.
699 (find_splittable_regs): Likewise.
700 (find_splittable_regs): Use loop_insn_sink and its ilk.
701 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
703 2001-01-07 Michael Hayes <mhayes@redhat.com>
705 * loop.h (loop_insn_hoist): New prototype.
706 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
707 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
708 (check_dbra_loop, load_mems): Likewise.
709 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
710 (find_splittable_givs): Likewise.
712 2001-01-07 Michael Hayes <mhayes@redhat.com>
714 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
716 2001-01-07 Richard Henderson <rth@redhat.com>
718 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
720 2001-01-07 Richard Henderson <rth@redhat.com>
722 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
723 NO_SHARED_LIBGCC_MULTILIB as required for the target.
724 * gcc.c (init_spec): Massage the existing libgcc_spec into a
725 variant that handles a shared libgcc.
726 (process_command): Always validate -{static,shared}-libgcc.
727 (do_spec_1): New 'M' case.
728 * invoke.text (Link Options): Document -{static,shared}-libgcc.
730 2001-01-07 Richard Henderson <rth@redhat.com>
732 * Makefile.in (slibdir): New variable.
733 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
734 (installdirs): Create slibdir.
735 (install-libgcc, install-multilib): Defer to libgcc.mk.
736 * configure.in (slibdir): Substitute.
737 * mklibgcc.in (install): New target.
739 * config/t-linux (SHLIB_LINK): Create links for the soname.
740 (SHLIB_INSTALL): New.
741 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
742 * config/mips/t-iris6 (SHLIB_INSTALL): New.
743 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
744 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
745 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
747 2001-01-07 Richard Henderson <rth@redhat.com>
749 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
750 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
751 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
753 2001-01-07 Michael Hayes <mhayes@redhat.com>
755 * loop.c (count_loop_regs_set): Delete.
756 (load_mems_and_recount_loop_regs_set): Delete.
757 (loop_regs_scan): Merge common code from count_loop_regs_set,
758 scan_loop, and load_mems_and_recount_loop_regs_set.
759 (scan_loop): Call load_mems directly and loop_regs_scan
760 again if new registers created.
762 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
764 * toplev.c (main): Call the front-end specific post_options
765 hook if one is given.
766 * toplev.h (struct_lang_hooks, lang_hooks): New.
767 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
769 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
770 lang_hooks for the C++ front end.
771 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
772 lang_hooks for the ObjC front end.
773 * f/com.c (lang_hooks): Hooks for the Fortran front end.
774 * java/lang.c (lang_hooks): Hooks for the Java front end.
776 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
778 * c-lex.c (init_c_lex): Request #define / #undef callbacks
779 for verbose DWARF[2] debugging.
780 (cb_define, cb_undef): The new callbacks.
781 * toplev.h (debug_define, debug_undef): Make const correct.
782 * toplev.c (debug_define, debug_undef): Similarly. Do not
783 perform the verbosity tests here anymore.
785 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
787 * reload.c (subst_reloads): Take INSN argument. When
788 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
789 * reload.h (subst_reloads): Adjust prototype.
790 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
791 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
792 present in JUMP_INSNs and copy them to JUMP_LABEL.
793 * flow.c (find_label_refs, find_basic_blocks_1): Skip
794 JUMP_INSNs and insns with REG_LABELs that are followed by
795 JUMP_INSNs with the same REG_LABEL.
796 * sched-rgn.c (is_cfg_nonregular): Likewise.
797 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
799 * unroll.c (unroll_loop): Look for REG_LABEL notes in
801 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
803 2001-01-06 Richard Henderson <rth@redhat.com>
805 * loop.c (scan_loop): Use xcalloc for the regs array.
806 (load_mems_and_recount_loop_regs_set): Zero the new memory
807 received from xrealloc.
809 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
811 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
813 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
815 * integrate.c (copy_rtx_and_substitute): When copying
816 an ignored return value, strip REG_FUNCTION_VALUE_P.
818 2001-01-06 Michael Hayes <mhayes@redhat.com>
820 * loop.c (debug_biv, debug_giv): New.
821 (loop_biv_dump): Break out from ...
822 (record_biv): ... here.
823 (loop_giv_dump): Break out from ...
824 (record_giv): ... here.
825 (loop_bivs_check): Use print_simple_rtl.
826 * unroll.c (loop_iterations): Use print_simple_rtl.
828 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
830 * pa.md (return, return_internal): Modify patterns to prevent regrename
831 mucking with the return pointer.
833 2001-01-05 Mike Stump <mrs@wrs.com>
835 * varasm.c (assemble_name): Ensure we output the stripped name.
837 2001-01-05 Richard Henderson <rth@redhat.com>
839 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
841 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
843 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
844 version supplied by Matteo Frigo.
846 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
848 * cpp.texi: Update for -MQ.
849 * cppinit.c (cpp_create_reader): Always create pfile->deps.
850 (cpp_cleanup): Always free pfile->deps.
851 (initialize_dependency_output): Don't create pfile->deps.
852 (cpp_handle_option): Similarly.
854 * gcc.c (cpp_options): Handle -MQ.
855 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
856 * mkdeps.c (base_name): Remove.
857 (deps_init): Don't allocate vector space until it's needed.
858 (deps_free): Only free vectors if allocated.
859 (deps_add_target, deps_add_dep): Update for initial allocation.
860 (deps_add_default_target): Don't strip to the base_name.
862 2001-01-05 DJ Delorie <dj@redhat.com>
864 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
865 (INIT_EXPANDERS): Define.
867 * config/v850/v850.c (struct machine_function): Define.
868 (v850_save_machine_status): New function.
869 (v850_restore_machine_status): New function.
870 (v850_return_addr): New function.
871 (v850_init_expanders): New function.
873 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
874 and v850_init_expanders.
876 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
878 * cpplib.h (struct cpp_reader): Add help_only field.
879 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
880 (cpp_handle_option): Set pfile->help_only if we see -h,
881 --help, -target-help, or --version. Print version string but
882 do not set help_only if we see -v or -version. Make text
883 printed by -v match that printed by (-)-version.
885 * cppmain.c (main): Exit after option parsing if
886 pfile->help_only is true.
888 * toplev.c (independent_decode_option): Call print_version,
889 then exit, if we see --version (but not -version).
890 (print_version): Split lengthy message into two lines.
892 2001-01-05 Nick Clifton <nickc@redhat.com>
894 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
895 temporary string for initialisation before calling ggc_alloc_string.
897 2001-01-06 Michael Hayes <mhayes@redhat.com>
899 * rtl.h (print_simple_rtl): New.
900 * print-rtl.c (print_simple_rtl): New.
902 (print_rtx): Disable printing of flags and modes, etc.,
903 if `flag_simple` nonzero.
905 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
907 * function.c (fixup_var_refs): Use push_to_full_sequence where
910 2001-01-05 Michael Meissner <meissner@redhat.com>
912 * flags.h (flag_reorder_blocks): Add declaration.
913 (flag_rename_block): Ditto.
915 2001-01-05 DJ Delorie <dj@redhat.com>
917 * function.c (reorder_blocks): Make sure the flags are all reset
918 before using them to mark blocks, else a second invocation will
919 corrupt the block chain.
920 (reorder_blocks_0): New, resets the flags.
922 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
924 * cse.c (find_comparison_args): Stop if the argument is known to
927 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
929 * config/sh/sh.md (movdf): When splitting load into pair of
930 registers, don't clobber the register used in the address too
933 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
935 * varasm.c (mark_constant_pool): Improve initial comments.
936 (mark_constants): Move marking of constants to mark_constant.
937 (mark_constant): New function to recursively mark all constants
938 referred to by a constant.
940 2001-01-05 Catherine Moore <clm@redhat.com>
942 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
944 2001-01-05 Phil Edwards <pme@sources.redhat.com>
946 * cp/lang-options.h: Bring comment in line with reality.
947 * f/lang-options.h: Likewise.
948 * java/lang-options.h: Likewise.
949 * objc/lang-options.h: Likewise.
950 * ch/lang-options.h: Likewise.
951 * f/g77.texi: And update the manual.
953 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
954 Denis Chertykov <denisc@overta.ru>
956 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
957 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
958 * config/avr/avr.md (all peepholes that request a scratch register):
959 Call it, FAIL the peephole if not safe (in interrupt functions).
961 2001-01-05 Mark Mitchell <mark@codesourcery.com>
963 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
965 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
967 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
969 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
970 BUILT_IN_CREAL and BUILT_IN_CIMAG.
971 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
972 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
973 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
975 * extend.texi: Document these builtins.
977 2001-01-05 Daniel Berlin <dberlin@redhat.com>
979 * c-common.c (lang_get_alias_set): Say we know nothing of
980 VECTOR_TYPE aliasing.
982 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
984 2001-01-05 Bruce Korb <bkorb@gnu.org>
986 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
987 their x* equivalent versions for atexit-less systems
988 * fixinc/fixincl.c(main): do not return from main() on atexit-less
989 systems (or any other system any more).
991 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
993 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
994 output operands. Use arm_hard_register_operand for operand 4.
995 (stmsi_postinc): Similarly.
996 (ldmsi): Use arm_hard_register_operand for opernand 2.
998 * arm.c (arm_hard_register_operand): New function.
999 * arm-protos.h (arm_hard_register_operand): Prototype it.
1001 * arm.h (HARD_REGNO_RENAME_OK): Define.
1003 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
1005 * simplify-rtx.c (cfc_args): add "unordered" field.
1006 (check_fold_consts): Set unordered field.
1007 (simplify_relational_operation): Simplify the unordered
1010 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
1013 * emit-rtl.c (try_split): Fix code to mark labels.
1014 * jump.c (mark_jump_label): Make global.
1015 * rtl.h (mark_jump_label): Declare.
1017 * predict.c (estimate_probability): Handle unordred comparisons.
1019 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1021 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
1022 * cppinit.c (initialize_dependency_output): Update.
1023 (cpp_finish): Output dummy targets for -MP.
1025 (cpp_handle_option): Handle -MP. Don't quote -MT options.
1026 * cpplib.h (struct cpp_options): Add deps_phony_targets.
1027 * gcc.c (cpp_options): Update to handle -MP.
1028 * mkdeps.c (deps_add_target, deps_add_default_target): Update
1029 to quote only the default target.
1030 (deps_phony_targets): Insert a preceding newline. Rename from
1031 deps_dummy_targets for consistency.
1034 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1036 * calls.c (emit_library_call_value_1): Support
1037 INIT_CUMULATIVE_LIBCALL_ARGS.
1038 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
1040 2001-01-04 Richard Henderson <rth@redhat.com>
1042 * c-decl.c (finish_struct): Detect flexible array members
1043 used in an inappropriate context.
1044 * c-typeck.c (really_start_incremental_init): Special case
1045 constructor_max_index for zero length arrays.
1046 (pop_init_level): Allow initialization of flexible array
1047 members. Deprecate initialization of zero length arrays.
1048 Don't issue missing initializer warning for flexible array
1049 members or zero length arrays.
1050 (process_init_element): Don't dereference null DECL_SIZE.
1051 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
1052 Don't abort for empty constructors. Use size_binop
1053 (output_constructor): Add commentary regarding zero length
1054 array futures. Abort if we try to initialize an array of
1055 unspecified length with a non-empty constructor in the middle
1058 * extend.texi (Zero Length): Update and clarify documentation
1059 on static initialization.
1061 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1063 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
1064 with more than 32767 words of local storage.
1066 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1068 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
1069 for 'abs', 'labs', and 'fabs'.
1070 (c4x_expand_builtin): Likewise.
1071 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
1073 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1075 * config/sh/sh.md (prget, prset): New insn types.
1076 (return delay slot): Dont' allow prset.
1077 (call, sfunc delay slot): Don't allow prget.
1078 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
1079 for prset and prget.
1081 2001-01-05 Michael Hayes <mhayes@redhat.com>
1083 * loop.h (struct loop_reg): New.
1084 (struct loop_regs): Change to use array of `struct loop_reg'.
1085 * loop.c: Replace assortment of varrays with single regs array.
1086 (count_one_set): Delete may_not_move array argument
1087 and use regs array instead. All caller's changed.
1088 (count_loop_regs_set): Delete may_not_move and single_usage
1089 arguments and use regs array instead. All caller's changed.
1090 (find_single_use_in_loop): Replace usage array argument with pointer
1091 to regs structure. All caller's changed.
1092 (loop_optimize): Delete `moved_once' array.
1094 2001-01-05 Michael Hayes <mhayes@redhat.com>
1096 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
1097 Use it instead of loop_info->has_call for scanning loop mems.
1098 (check_dbra_loop): Replace loop_info->has_call test with
1099 loop_info->has_nonconst_call.
1101 2000-01-04 Matthew Hiller <hiller@redhat.com>
1103 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
1106 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1108 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
1109 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
1111 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
1113 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
1114 (flag_short_double, flag_short_wchar): Define.
1115 (c_common_nodes_and_builtins): Create many tree nodes shared
1116 between C and C++ here instead of in cp/decl.c and ...
1117 * c-decl.c (init_decl_processing): ... here.
1118 (SIZE_TYPE, WCHAR_TYPE): Don't define.
1119 (flag_short_double, flag_short_wchar): Don't define.
1120 (record_builtin_type): New function.
1121 (build_void_list_node): New function.
1122 * c-common.h (flag_short_double, flag_short_wchar,
1123 record_builtin_type, build_void_list_node): Declare.
1125 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
1127 * integrate.c (expand_inline_function): Don't put a virtual
1128 register into the reg map.
1130 * function.c (fixup_var_refs_1): If force_operand didn't put
1131 the address into the target, move it there.
1133 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1135 Special-case tree_decl/tree_list allocations.
1136 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
1137 (OBJECT_SIZE): New macro.
1138 (NUM_EXTRA_ORDER): Likewise.
1139 (extra_order_size_table): New variable.
1140 (NUM_ORDERS): New macro.
1141 (objects_per_page_table): New variable.
1142 (object_size_table): New variable.
1143 (G.pages): Use NUM_ORDERS to bound the array.
1144 (G.page_tails): Likewise.
1145 (DIV_ROUND_UP): Remove.
1146 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
1147 (alloc_page): Use OBJECT_SIZE.
1148 (size_lookup): Don't make it const.
1149 (ggc_alloc): Use OBJECT_SIZE.
1150 (ggc_set_mark): Likewise.
1151 (ggc_get_size): Likewise.
1152 (init_ggc): Set up the object_size_table, objects_per_page_table,
1153 and adjust size_lookup.
1154 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
1155 (ggc_pop_context): Use NUM_ORDERS.
1156 (clear_marks): Likewise.
1157 (sweep_pages): Likewise.
1158 (poison_pages): Likewise.
1159 (ggc_print_statistics): Use OBJECT_SIZE.
1161 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1163 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
1164 Only call array_size_for_constructor if last field and array type
1165 with no upper bound.
1167 2001-01-04 Philip Blundell <philb@gnu.org>
1169 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
1170 from bit 31 downwards, if this requires no more insns.
1171 (count_insns_for_constant): New helper function for above.
1173 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
1175 * gencodes.c (output_predicate_decls): Remove empty initializer.
1177 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1179 * tree.c (copy_node): Remove documentation about obstacks.
1180 (buidl1): Check that nobody tries to build 2-argument nodes this
1183 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1185 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
1188 * gencodes.c (output_predicate_decls): Fill empty initializer
1191 2001-01-04 Jakub Jelinek <jakub@redhat.com>
1193 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
1194 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
1196 (do_include): Handle missing headers like cpp0.
1197 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
1198 paths with first include pathname. Don't strcat to uninitialized
1201 2001-01-04 Bernd Schmidt <bernds@redhat.com>
1203 * regrename.c (regrename_optimize): Don't rename from frame pointer
1204 if frame_pointer_needed.
1205 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
1206 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
1207 (ia64_reorg): Use it instead of scheduling if ! optimize.
1208 (errata_emit_nops): Properly call asm_noperands.
1209 (ia64_sched_reorder): Finish cycle if we see an asm.
1210 (ia64_variable_issue): Clear scheduling state after asms.
1212 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
1214 * cpp.texi: Update for -MT.
1215 * cppinit.c (initialize_dependency_output): Add a default
1216 target if none has been given already.
1217 (no_tgt, OPT_MT): New.
1218 (cpp_handle_option): Handle -MT. Update -M etc.
1219 * cpplib.h (struct cpp_options): Remove deps_target.
1220 * gcc.c (cpp_options): Handle -MT.
1221 * mkdeps.c (struct deps): Move from mkdeps.h.
1222 (deps_calc_target): Rename deps_add_default_target. Add a
1223 default target if none has been specified already.
1224 * mkdeps.h (struct deps): Move to mkdeps.c.
1225 (deps_calc_target): Rename deps_add_default_target.
1227 2000-01-03 Richard Henderson <rth@redhat.com>
1229 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
1231 * c-typeck.c (push_init_level): Move checks for flexible array
1232 members and zero length arrays ...
1233 (pop_init_level): ... here. Silently discard empty initializations.
1235 * varasm.c (output_constructor): Update for sizeof change to
1238 * extend.texi (Zero Length): Clarify semantics.
1240 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1242 * configure.in (tm.h): Include isns-codes.h last.
1243 * configure: Rebuilt.
1245 2001-01-03 Richard Henderson <rth@redhat.com>
1247 * config/alpha/alpha.md (addvsi3, addvdi3): New.
1248 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
1250 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1252 * tradcpp.c (main): Make sure finclude() is called with a valid
1253 indepth value while handling -include.
1255 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1257 * gencodes.c (output_predicate_decls): New function.
1259 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
1260 even if it is not the first time machmode.h is #included.
1261 * config/sh/sh.c (fpul_operand): Declare MODE argument.
1262 * tm.texi (PREDICATE_CODES): Document predicate declarations.
1263 * gcc.texi (Copyright): Added 2001.
1265 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1267 * c-common.c (c_common_lang_init): New function. Warn if format
1268 warning options which only have effects when used with -Wformat
1269 are used without -Wformat.
1270 * c-common.h (c_common_lang_init): Declare.
1271 * c-lang.c (lang_init): Call c_common_lang_init.
1272 * objc/objc-act.c (lang_init): Call c_common_lang_init.
1274 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1276 * configure.in: Check for the mktemp command.
1277 * configure: Regenerate.
1278 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
1279 $TEMP. Create temporary files with mktemp, if available at
1280 configure time; otherwise use set -C. Remove temporary files
1283 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1285 * configure.in: Require at least texinfo 4.0. Check for whether
1286 Pod::Man is sufficiently recent to regenerate GCC manpages.
1287 * configure: Regenerate.
1288 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
1290 (GENERATED_MANPAGES): Define.
1291 (generated-manpages): New target. Depend on cpp.1 as well as
1293 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
1294 configure to generated-manpages or empty) rather than on the
1295 manpages directly. Remove execute permission from installed
1296 gcov.1 as well as cpp.1.
1297 * cpp.1, gcov.1: Regenerate.
1299 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1301 * builtins.c (expand_builtin_strncmp): Use host_integerp and
1302 tree_low_cst. Allow using cmpstrsi in more cases.
1304 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1306 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
1309 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
1311 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
1312 * Makefile.in (HOST_CFLAGS): Mention build-make.
1314 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1316 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
1319 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1321 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
1324 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
1327 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
1328 reg_base_value and reg_known_value arrays.
1329 (init_alias_analysis): Add more cases to detect known values.
1330 * sched-deps.c (deps_may_trap_p): New function.
1331 (sched_analyze_2): Use it.
1333 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1335 * combine.c (simplify_shift_const): Even if we're sign-extracting,
1336 don't discard an ASHIFTRT if we're shifting in a wider mode.
1338 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1340 * toplev.c (rest_of_compilation): Don't print basic block information
1341 when CFG isn't up to date.
1343 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
1345 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
1346 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
1347 (UNALIGNED_SHORT_ASM_OP): Define.
1348 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
1350 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1352 * fold-const.c (fold_convert): Fix typo.
1354 2001-01-02 Richard Henderson <rth@redhat.com>
1356 * c-common.h (ASM_INPUT_P): New.
1357 * c-parse.in (asm): Set it when needed.
1358 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
1359 existance of an operand.
1361 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
1363 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
1364 (dwarf2out_frame_debug_expr): Likewise.
1365 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
1367 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
1369 * i386.c (ix86_split_to_parts): Return number of part required;
1371 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
1373 (ix86_split_long_move): Use number of part returned
1374 by ix86_split_to_parts
1375 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
1377 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
1378 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
1379 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
1380 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
1381 (ALIGN_MODE_128): Add TFmode.
1382 (IS_STACK_MODE): Likewise.
1383 (HARD_REGNO_NREGS): TFmode needs 3 registers.
1384 (HARD_REGNO_OK): Support TFmodes.
1385 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
1386 * i386.md (scheduler definitions): Use memory operand to determine
1387 fst/fld instructions; use mode attribute to determine real mode of
1389 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
1390 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
1392 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1394 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
1396 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1398 * expr.c (store_constructor_field): Update ALIGN before calling
1401 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1403 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
1406 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1408 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
1411 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1413 * c-decl.c (start_function): Don't warn on third parameter to main.
1415 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1417 * tsystem.h: Define HAVE_DECL_GETOPT.
1419 2001-01-02 Philip Blundell <pb@futuretv.com>
1421 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
1424 2001-01-02 Richard Henderson <rth@redhat.com>
1426 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
1428 2001-01-02 Andreas Jaeger <aj@suse.de>
1430 * c-decl.c (c_decode_option): Remove support of
1433 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
1434 (W_options): Add -Wmissing-noreturn here.
1436 * flow.c: Define lang_missing_noreturn_ok_p.
1437 (check_function_return_warnings): Use it.
1439 * c-common.h: Declare lang_missing_noreturn_ok_p.
1441 * c-lang.c (c_missing_noreturn_ok_p): New function.
1442 (lang_init): Set lang_missing_noreturn_ok_p.
1444 * invoke.texi (Warning Options): Document this.
1446 2000-12-27 Phil Edwards <pme@sources.redhat.com>
1448 * extend.texi (C++ Extensions): New node for C++ attributes;
1449 describe init_priority and com_interface.
1450 * invoke.texi: Remove -finit-priority as it now has zero effect.
1451 * install.texi: Fix xref syntax.
1452 * md.texi: Likewise.
1454 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1456 * config.gcc (sparc64-wrs-vxworks*): New case.
1457 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
1459 * config/sparc/sparc.c (sparc_override_options): Do support different
1460 pointer and architecture size.
1461 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
1462 (POINTERS_EXTEND_UNSIGNED): Define.
1463 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
1464 (FUNCTION_MODE): Define to be Pmode.
1465 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
1467 * function.c (expand_function_end): Properly handle DECL_RESULT
1468 and copy when ptr_mode != Pmode.
1469 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
1471 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1473 * c-common.c (c_common_nodes_and_builtins): Set prototype
1474 parameters for __builtin_fputs, __builtin_fputc and
1475 __builtin_fwrite. Don't declare plain fputc as a builtin.
1477 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1479 * loop.c (add_label_notes): Increment the label usage count when
1480 a note is added to an insn which refers to a CODE_LABEL.
1481 * gcse.c (add_label_notes): Likewise.
1483 2001-01-01 Andreas Jaeger <aj@suse.de>
1485 * loop.c (scan_loop): Use xmalloc to allocate movables.
1487 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
1489 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
1490 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
1491 * reload1.c (REGISTER_MOVE_COST): Likewise.
1492 * regclass.c (REGISTER_MOVE_COST): Likewise.
1493 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
1494 dimension. Adjust all users.
1495 (init_reg_sets_1): Iterate on all modes.
1496 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
1497 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
1498 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
1499 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
1500 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
1501 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
1502 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
1503 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
1504 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
1505 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
1506 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
1507 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
1508 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
1509 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
1510 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
1511 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
1512 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
1513 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
1514 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
1515 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
1516 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
1517 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
1518 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
1519 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
1520 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
1521 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
1522 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
1524 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1526 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
1527 arg VARIES_P. Call it with extra arg.
1528 (true_dependence): Likewise.
1529 * rtl.h (rtx_addr_can_trap_p): Declare.
1530 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
1532 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
1533 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
1534 pic offset table register if it's zero. All callers changed.
1535 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
1537 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1539 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
1540 STRING_POOL_ADDRESS_P.
1542 * config/sparc/sparc.c (input_operand): Properly test for short op.
1544 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
1545 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
1546 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
1547 * config/sparc/elf.h: No longer include sol2.h.
1548 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
1549 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
1551 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
1553 2001-01-01 Michael Hayes <mhayes@redhat.com>
1555 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
1556 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
1557 (record_initial): Likewise.
1558 * unroll.c (copy_loop_body, loop_iterations): Likewise.
1559 (remap_split_bivs): Likewise.
1561 2001-01-01 Michael Hayes <mhayes@redhat.com>
1563 * loop.c (loop_ivs_free): New function.
1564 (strength_reduce): Break out from...
1566 2001-01-01 Michael Hayes <mhayes@redhat.com>
1568 * loop.h (struct iv): New.
1569 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
1570 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
1571 'reg_biv_class' fields with 'regs' and 'n_regs'.
1572 (struct ivs): Rename 'loop_iv_list' field to 'list'.
1573 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
1574 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
1576 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
1578 * resource.c (mark_referenced_resources): Abort() before
1579 attempting to mark a pseudo register.
1580 (mark_set_resources): Likewise.
1582 2001-01-01 Michael Hayes <mhayes@redhat.com>
1584 * loop.h (REG_IV_CLASS): New accessor macro.
1585 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
1586 * unroll.c (REG_IV_CLASS): Likewise.
1588 See ChangeLog.4 for earlier changes.