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2001-11-28cse.c (true_dependence_in_rtx): New function.Jan Hubicka1-3/+1
* cse.c (true_dependence_in_rtx): New function. (invalidate): Use it. * c-common.h (GOTO_FAKE_P): New macro. * tree-inline.c (GOTO_FAKE_P): Set. * c-tree.texi (GOTO_FAKE_P): Document. * varasm.c (assemble_variable): Set reloc to 3 for error_mark containing pointers. (output_addressed_constants): Check for local/external relocations. * elfos.h (SELECT_SECTION): Classify data section. * tm.texi (SELECT_SECTION): Update documentation. * cfganal.c (flow_dfs_compute_reverse_add_bb): set visited bit. (flow_dfs_compute_reverse_execute): Add only unvisited blocks. From-SVN: r47405
2001-11-23ChangeLog.0, [...]: Fix spelling errors.Joseph Myers1-3/+3
* ChangeLog.0, ChangeLog.2, ChangeLog.3, ChangeLog.4, ChangeLog, FSFChangeLog.10, c-decl.c, cppfiles.c, cppinit.c, cpplex.c, cpplib.c, cppmain.c, cse.c, df.c, diagnostic.c, dominance.c, dwarf2out.c, dwarfout.c, emit-rtl.c, errors.c, except.c, except.h, explow.c, function.c, gcse.c, genrecog.c, predict.c, regmove.c, sched-rgn.c, ssa-ccp.c, stmt.c, toplev.c: Fix spelling errors. From-SVN: r47279
2001-11-07* cse.c (cse_insn): Emit BARRIER after unconditional jump.Graham Stott1-5/+13
From-SVN: r46824
2001-10-30emit-rtl.c (set_unique_reg_note): Don't create REG_EQUAL or REG_EQUIV notes ↵Jakub Jelinek1-7/+1
for ASM_OPERANDS. * emit-rtl.c (set_unique_reg_note): Don't create REG_EQUAL or REG_EQUIV notes for ASM_OPERANDS. Return the new note (if any). * rtl.h (set_unique_reg_note): Change return value. * gcse.c (try_replace_reg): Use set_unique_reg_note. * cse.c (cse_insn): Likewise. * expr.c (emit_move_insn): Likewise. * explow.c (force_reg): Likewise. * local-alloc (update_equiv_regs): Likewise. * loop.c (move_moveables, load_mems): Likewise. * reload (find_reloads): Likewise. * gcc.dg/20011029-2.c: New test. From-SVN: r46636
2001-10-26cse.c (check_for_label_ref): Don't require REG_LABEL notes for non-local ↵Alexandre Oliva1-1/+2
label_refs. * cse.c (check_for_label_ref): Don't require REG_LABEL notes for non-local label_refs. From-SVN: r46555
2001-10-11alias.c: Remove uses of "register" specifier in declarations of arguments ↵Stan Shebs1-90/+90
and local... 2001-10-10 Stan Shebs <shebs@apple.com> * alias.c: Remove uses of "register" specifier in declarations of arguments and local variables. * c-common.c: Ditto. * c-convert.c: Ditto. * c-decl.c: Ditto. * c-format.c: Ditto. * c-semantics.c: Ditto. * c-typeck.c: Ditto. * caller-save.c: Ditto. * calls.c: Ditto. * cfg.c: Ditto. * cfgbuild.c: Ditto. * cfgrtl.c: Ditto. * collect2.c: Ditto. * combine.c: Ditto. * convert.c: Ditto. * cppexp.c: Ditto. * cppfiles.c: Ditto. * cse.c: Ditto. * dbxout.c: Ditto. * defaults.h: Ditto. * df.c: Ditto. * dwarf2out.c: Ditto. * dwarfout.c: Ditto. * emit-rtl.c: Ditto. * explow.c: Ditto. * expmed.c: Ditto. * expr.c: Ditto. * final.c: Ditto. * fix-header.c: Ditto. * floatlib.c: Ditto. * flow.c: Ditto. * fold-const.c: Ditto. * function.c: Ditto. * gcc.c: Ditto. * gcse.c: Ditto. * gen-protos.c: Ditto. * genattrtab.c: Ditto. * gencheck.c: Ditto. * genconfig.c: Ditto. * genemit.c: Ditto. * genextract.c: Ditto. * genflags.c: Ditto. * gengenrtl.c: Ditto. * genoutput.c: Ditto. * genpeep.c: Ditto. * genrecog.c: Ditto. * gensupport.c: Ditto. * global.c: Ditto. * gmon.c: Ditto. * graph.c: Ditto. * haifa-sched.c: Ditto. * hard-reg-set.h: Ditto. * hash.c: Ditto. * integrate.c: Ditto. * jump.c: Ditto. * lists.c: Ditto. * local-alloc.c: Ditto. * loop.c: Ditto. * mips-tdump.c: Ditto. * mips-tfile.c: Ditto. * optabs.c: Ditto. * prefix.c: Ditto. * print-rtl.c: Ditto. * read-rtl.c: Ditto. * real.c: Ditto. * recog.c: Ditto. * reg-stack.c: Ditto. * regclass.c: Ditto. * regmove.c: Ditto. * reload.c: Ditto. * reload1.c: Ditto. * reorg.c: Ditto. * resource.c: Ditto. * rtl.c: Ditto. * rtlanal.c: Ditto. * scan.c: Ditto. * sched-deps.c: Ditto. * sched-rgn.c: Ditto. * sdbout.c: Ditto. * simplify-rtx.c: Ditto. * stmt.c: Ditto. * stor-layout.c: Ditto. * toplev.c: Ditto. * tradcif.y: Ditto. * tradcpp.c: Ditto. * tree.c: Ditto. * unroll.c: Ditto. * varasm.c: Ditto. * xcoffout.c: Ditto. From-SVN: r46173
2001-10-10calls.c: Fix formatting.Kazu Hirata1-1/+1
* calls.c: Fix formatting. * c-decl.c: Likewise. * cfgcleanup.c: Likewise. * combine.c: Likewise. * cppfiles.c: Likewise. * cpplib.c: Likewise. * cppmacro.c: Likewise. * crtstuff.c: Likewise. * cse.c: Likewise. * dwarf2out.c: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * fold-const.c: Likewise. * function.c: Likewise. * gcse.c: Likewise. * genattrtab.c: Likewise. * ggc-page.c: Likewise. * integrate.c: Likewise. * libgcc2.c: Likewise. * loop.c: Likewise. * optabs.c: Likewise. * profile.c: Likewise. * protoize.c: Likewise. * real.c: Likewise. * recog.c: Likewise. * reload1.c: Likewise. * reload.c: Likewise. * reorg.c: Likewise. * resource.c: Likewise. * sched-rgn.c: Likewise. * sdbout.c: Likewise. * stmt.c: Likewise. * toplev.c: Likewise. * varasm.c: Likewise. From-SVN: r46145
2001-10-05Makefile.in (c-decl.o): Depend on tree-inline.h.Alexandre Oliva1-0/+1
* Makefile.in (c-decl.o): Depend on tree-inline.h. (c-lang.o): Likewise, as well as insn-config.h and integrate.h. * c-decl.c: Include tree-inline.h. (c_expand_body): Call optimize_inline_calls. Determine whether a function is inlinable upfront, and only clear DECL_SAVED_TREE, DECL_INITIAL and DECL_ARGUMENTS if it isn't. * c-lang.c: Include tree-inline.h, insn-config.h and integrate.h. (c_disregard_inline_limits): New function. (inline_forbidden_p, c_cannot_inline_tree_fn): Likewise. (c_post_options): Enable tree inlining if inlining is enabled. Don't inline trees when instrumenting functions. (c_init): Initialize lang_disregard_inline_limits and lang_cannot_inline_tree_fn. * tree-inline.c (initialize_inlined_parameters): Handle calls with fewer arguments than declared parameters, and fewer parameters than passed arguments. Don't assume value is a DECL. (declare_return_variable): Convert return value back to the original type, if it was promoted. (tree_inlinable_function_p): New function. (inlinable_function_p): Don't look at DECL_INLINE if we're inlining all functions. Make it work with a NULL id. Re-check DECL_UNINLINABLE after language-specific checks. (varargs_function_p): Move back to cp/tree.c. * tree-inline.h (tree_inlinable_function_p): Declare it. (varargs_function_p): Removed declaration. * integrate.h (function_attribute_inlinable_p): Declare it. * integrate.c (function_attribute_inlinable_p): Export it. (save_for_inline): Don't bother to prepare argvec when not inlining. * cse.c (check_for_label_ref): Don't check deleted labels. From-SVN: r46025
2001-09-29* cse.c (cse_insn) [HAVE_cc0]: Fix typo delete-insn -> delete_insn.Hans-Peter Nilsson1-1/+1
From-SVN: r45878
2001-09-28gcse.c (replace_store_insn): Use delete_insn.Jan Hubicka1-10/+2
* gcse.c (replace_store_insn): Use delete_insn. * loop.c (move_movables): Likewise; avoid delete_insn from clobbering notes moved elsewhere. (check_dbra_loop): Use delete_insn. * ssa.c (convert_from_ssa): Likewise. * cse.c (cse_insn): Use delete_insn. From-SVN: r45859
2001-09-21basic-block.h (flow_delete_insn, [...]): Kill.Jan Hubicka1-4/+2
* basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill. * cfg.c (delete_insn): Rename from ....; use remove_insn; do not remove some labels. (flow_delete_insn): This one. (delete_insn_chain): Rename from ...; do not care labels. (flow_delete_insn_chain): ... this one. (flow_delete_block): Remove the insns one BB has been expunged. (merge_blocks_nomove): Likewise. (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care updating BB boundaries. (tidy_fallthru_edge): Likewise. (commit_one_edge_insertion): Likewise. * cfgbuild.c (find_basic_block): Likewise. (find_basic_blocks_1): Likewise. * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise. (try_crossjump_to_edge): Likewise. (try_optimize_cfg): Likewise. * cse.c (delete_trivially_dead_insns): Likewise. * df.c (df_insn_delete): Likewise. * doloop.c (doloop_modify): Use delete_related_insns. * emit-rtl.c (try_split): Likewise. (remove_insn): Update BB boundaries. * expect.c (connect_post_landing_pads): Use delete_related_insns. * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care updating BB boundaries. (propagate_block_delete_insn): Likewise. (propagate_block_delete_libcall): Likewise. * function.c (delete_handlers): Use delete_related_insns. (thread_prologue_and_epilogue_insns): Likewise. * gcse.c (delete_null_pointer_checks): Use delete_related_insns. * genpeep.c (gen_peephole): Use delete_related_insns. * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating BB boundaries. (find_cond_trap): Likewise. * integrate.c (save_for_inline): Use delete_related_insns. (copy_insn_list): Likewise. * jump.c (pruge_linie_number_notes): Likewise. (duplicate_loop_exit_test): Likewise. (delete_computation): Likewise. (delete_related_insn): Rename from ...; use delete_insn (delete_insn): ... this one. (redirect_jump): Use delete_related_insns. * loop.c (scan_loop): Likewise. (move_movables): Likewise. (find_and_verify_loops): Likewise. (check_dbra_loop): Likewise. * recog.c (peephole2_optimize): Likewise. * reg-stack.c (delete_insn_for_stacker): Remove. (move_for_stack_reg): Use delete_insn. * regmove.c (combine_stack_adjustments_for_block): Likewise. * reload1.c (delete_address_reloads): Use delete_related_insns. (fixup_abnormal_edges): Use delete_insn. * recog.c (emit_delay_sequence): Use delete_related_insns. (delete_from-delay_slot): Likewise. (delete_scheduled_jump): likewise. (optimize_skip): Likewise. (try_merge_delay_insns): Likewise. (full_simple_delay_slots): Likewise. (fill_slots_from_thread): Likewise. (relax_delay_slots): Likewise. (make_return_insns): Likewise. (dbr_schedule): Likewise. * rtl.h (delete_insn): Rename to delete_related_insns. (delete_insn, delete_insn_chain): New prototypes. * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done by df_insn_delete already. * ssa-dce.c (delete_insn_bb): Use delete_insn. * ssa.c (convert_from_ssa): Use delete_related_insns. * unroll.c (unroll_loop): Likewise. (calculate_giv_inc): Likewise. (copy_loop_body): Likewise. * i386-protos.h (ix86_libcall_value, ix86_function_value, ix86_function_arg_regno_p, ix86_function_arg_boundary, ix86_return_in_memory, ix86_function_value): Declare. * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers): new static valurables. (x86_64_reg_class): New enum (x86_64_reg_class_name): New array. (classify_argument, examine_argument, construct_container, merge_classes): New static functions. (optimization_options): Enable flag_omit_frame_pointer and disable flag_pcc_struct_return on 64bit. (ix86_libcall_value, ix86_function_value, ix86_function_arg_regno_p, ix86_function_arg_boundary, ix86_return_in_memory, ix86_function_value): New global functions. (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg. (function_arg_advance): Handle x86_64 passing conventions. (function_arg): Likewise. * i386.h (FUNCTION_ARG_BOUNDARY): New macro. (RETURN_IN_MEMORY): Move offline. (FUNCTION_VALUE, LIBCALL_VALUE): Likewise. (FUNCTION_VALUE_REGNO_P): New macro. (FUNCTION_ARG_REGNO_P): Move offline. (struct ix86_args): Add maybe_vaarg. * next.h (FUNCTION_VALUE_REGNO_P): Delete. * unix.h (FUNCTION_VALUE_REGNO_P): Delete. From-SVN: r45726
2001-08-27* cse.c (cse_basic_block): Skip note instructions.Roman Zippel1-4/+5
From-SVN: r45221
2001-08-22Makefile.in, [...]: replace "GNU CC" with "GCC".Lars Brinkhoff1-12/+12
* Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c, bitmap.h, builtin-types.def, builtins.c, builtins.def, c-aux-info.c, c-common.c, c-common.def, c-common.h, c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c, c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in, c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c, caller-save.c, calls.c, collect2.c, collect2.h, combine.c, conditions.h, config.gcc, configure.frag, configure.in, conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c, cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h, dependence.c, df.c, df.h, diagnostic.c, diagnostic.h, doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c, dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c, emit-rtl.c, errors.c, errors.h, except.c, except.h, exgettext, explow.c, expmed.c, expr.c, expr.h, final.c, fixproto, flags.h, flow.c, fold-const.c, fp-test.c, function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp, gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c, gencheck.c, gencodes.c, genconfig.c, genemit.c, genextract.c, genflags.c, gengenrtl.c, genmultilib, genopinit.c, genoutput.c, genpeep.c, genrecog.c, gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c, ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c, graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h, gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h, gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h, hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h, integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c, libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h, machmode.def, machmode.h, main.c, mbchar.c, mbchar.h, mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk, mkmap-symver.awk, optabs.c, output.h, params.c, params.def, params.h, predict.c, predict.def, predict.h, prefix.c, prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c, read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c, regclass.c, regmove.c, regrename.c, regs.h, reload.c, reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c, rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h, sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c, sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c, ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c, stringpool.c, system.h, timevar.c, timevar.def, timevar.h, tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h, tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h, unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h, unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c, xcoffout.h: replace "GNU CC" with "GCC". From-SVN: r45105
2001-08-12toplev.c (set_float_handler): Make static.Zack Weinberg1-1/+0
* toplev.c (set_float_handler): Make static. * toplev.h: Don't prototype set_float_handler. * simplify-rtx.c: Don't include setjmp.h. (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1): New functions. (simplify_unary_operation, simplify_binary_operation): Use them, via do_float_handler. * fold-const.c: Don't include setjmp.h. (exact_real_inverse_1): New function. (exact_real_inverse): Use it, via do_float_handler. * varasm.c: Don't include setjmp.h. (assemble_real_1): New function. (assemble_real): Use it, via do_float_handler. Call internal_error if we get a trap here. * c-parse.in, cse.c, cselib.c, ch/lex.c, config/i386/i386.c, config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h. * java/lex.h: Don't include setjmp.h. Don't define SET_FLOAT_HANDLER or prototype set_float_handler. From-SVN: r44815
2001-08-07calls.c (expand_call): Do not emit INSN_SETJMP note.Jan Hubicka1-3/+4
* calls.c (expand_call): Do not emit INSN_SETJMP note. (emit_library_call_value_1): Likewise. (emit_call_1): Emit REG_SETJMP note. * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead of INSN_SETJMP * cselib.c (cselib_process_insn): Likewise. * flow.c (propagate_block): Likewise. * loop.c (find_and_verify_loops): Likewise. * reload.c (find_equiv_regs): Likewise. * reload1.c (reload): Likewise. * resource.c (mark_referenced_resources, mark_set_resources): Likewise. * sched-deps (sched_analyze_insn, sched_analyze): Likewise. * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP. * haifa-sched.c (unlink_other_notes): Likewise. (reemit_notes): Likewise. * sched-ebb.c (sched_ebb): Likewise. * sched-rgc.c (sched_region): Likewise. * rtl.c (note_insn_name): Likewise. (reg_note_name): Add REG_SETJMP * rtl.h (reg_note): Add REG_SETJMP. (insn_note): Remove NOTE_INSN_SETJMP. * profile.c (branch_prob): Add fake edges for setjmp. From-SVN: r44700
2001-08-07alias.c (nonlocal_mentioned_p): Rename CONST_CALL_P to CONST_OR_PURE_CALL_PJan Hubicka1-2/+2
* alias.c (nonlocal_mentioned_p): Rename CONST_CALL_P to CONST_OR_PURE_CALL_P * calls.c (emit_call_1): Likewise. * cse.c (cse_insn, invalidate_skipped_block): Likewise. * cselib.c (cselib_process_insn): Likewise. * df.c (df_insns_modify): Likewise. * flow.c (need_fake_edge_p): Likewise. (propagate_one_insn): Likewise. * haifa-sched.c (reemit_notes): Likewise. * integrate.c (copy_insn_list): Likewise. * jump.c (delete_prior_computation): Likewise. * local-alloc.c (validate_equiv_mem): Likewise. * loop.c (scan_loop): Likewise. * predict.c (estimate_probability): Likewise. * reload.c (reload): Likewise. * sched-deps (sched_analyze): Likewise. * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P. * gcse.c (compute_hash_table): Likewise. (mark_call): Likewise. (store_killed_in_insn): Likewise. From-SVN: r44688
2001-08-03combine.c, [...]: consistently use "VAX", "VAXen", and "MicroVAX" in ↵Lars Brinkhoff1-2/+2
comments and documentation. * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c, simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h, config/convex/convex.h, config/d30v/d30v.c, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h, config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c, config/mips/mips.h, config/mn10200/mn10200.h, config/mn10300/mn10300.h, config/pdp11/pdp11.md, config/v850/v850.h, config/vax/openbsd.h, config/vax/openbsd1.h, config/vax/ultrix.h, config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h, config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h, cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX" in comments and documentation. From-SVN: r44589
2001-08-01alias.c: Fix comment formatting.Kazu Hirata1-2/+2
* alias.c: Fix comment formatting. * bitmap.c: Likewise. * builtins.c: Likewise. * calls.c: Likewise. * c-common.c: Likewise. * c-decl.c: Likewise. * c-dump.c: Likewise. * c-lex.c: Likewise. * collect2.c: Likewise. * combine.c: Likewise. * conflict.c: Likewise. * cppfiles.c: Likewise. * cppinit.c: Likewise. * cpplex.c: Likewise. * cpplib.c: Likewise. * cppmacro.c: Likewise. * cppspec.c: Likewise. * c-pragma.c: Likewise. * crtstuff.c: Likewise. * cse.c: Likewise. * cselib.c: Likewise. * c-semantics.c: Likewise. * c-typeck.c: Likewise. From-SVN: r44547
2001-07-30jump.c: Add prototype for mark_modified_reg.Andreas Jaeger1-1/+1
* jump.c: Add prototype for mark_modified_reg. * cse.c (set_live_p): Add unused attribute. * gcov.c (calculate_branch_probs): Use gcov_type to avoid overflow. (scan_for_source_files): Use long for count to avoid overflow. (output_data): Likewise. (output_data): Don't use string concatatenation to silence gcc -traditional. * predict.c: Fix typos and grammar. * gcse.c (insert_insn_end_bb): Remove unused variables. For cp: * decl2.c: Remove unused var global_temp_name_counter. From-SVN: r44479
2001-07-26cse.c (cse_process_notes): Replace any registers if the address remains valid.Denis Chertykov1-1/+2
* cse.c (cse_process_notes): Replace any registers if the address remains valid. From-SVN: r44406
2001-07-18* cse.c: Undo my previous patch.Jan Hubicka1-27/+5
From-SVN: r44126
2001-07-18cse.c (delete_trivially_dead_insns): Delete the libcall block when return ↵Jan Hubicka1-5/+27
value is unused. * cse.c (delete_trivially_dead_insns): Delete the libcall block when return value is unused. From-SVN: r44112
2001-07-16cse.c (set_live_p): Take INSN argument for cc0; update callers.Daniel Berlin1-21/+22
* cse.c (set_live_p): Take INSN argument for cc0; update callers. (insn_live_p): Fix fall off end of function. (dead_libcall_p): Remove COUNTS argument; update callers. (delete_trivially_dead_insns): Remove unused variables. Co-Authored-By: Richard Henderson <rth@redhat.com> From-SVN: r44064
2001-07-16basic-block.h (CLEANUP_PRE_SIBCALL): New constant.Jan Hubicka1-107/+166
* basic-block.h (CLEANUP_PRE_SIBCALL): New constant. * except.c (finish_eh_generation): Update call of cleanup_cfg; do rebuild_jump_labels instead of jump_optimize * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise. * toplev.c (rest_of_compulation): Likewise for -Wreturn_type. * flow.c (try_optimize_cfg): Remove unneeded code_labels. * flow.c: Include timevar.h (find_basic_block): Push/pop timevar; (cleanup_cfg): Likewise. * timevar.def (TV_CFG, TV_CLEANUP_CFG): New. * Makefile: Add dependencies on timevar.h * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes. (copy_insn_list): Avoid killing of BASIC_BLOCK notes. * rtl.h (delete_trivially_dead_insns): Add new parameter. * toplev.c (rest_of_compilation): Update calls. * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ... (delete_trivially_dead_insns): ... here; accept new argument preserve_basic_blocks; preserve basic blocks if set. * reg-stack.c (stack_regs_mentioned): Return 0 if stack_regs_mentioned_data is not initialized. (reg_to_stack): Make stack_regs_mentioned survive after the reg-stack is completted; do not call cleanup_cfg. * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder; make cleanup_cfg after bb-reorder to output to debug file. From-SVN: r44056
2001-07-16hard-reg-set.h (regs_invalidated_by_call): Declare.Richard Henderson1-36/+0
* hard-reg-set.h (regs_invalidated_by_call): Declare. * regclass.c (regs_invalidated_by_call): Move from cse.c. (init_reg_sets_1): Move initialization from cse_main. * cse.c (regs_invalidated_by_call): Move to regclass.c. (cse_main): Move its initialization also. * df.c (df_insn_refs_record): Use regs_invalidated_by_call. * flow.c (propagate_one_insn): Likewise. * gcse.c (compute_hash_table): Likewise. (compute_kill_rd, compute_store_table): Likewise. * sched-deps.c (sched_analyze_1): Likewise. From-SVN: r44053
2001-07-09[multiple changes]Richard Kenner1-8/+7
Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns. (operand_subword): Use them. (change_address_1): Renamed from change_address; new arg VALIDATE. * expr.h: Reflect above changes; change_address now macro. * alias.c (canon_rtx): Use replace_equiv_address_nv instead of making MEM. * cselib.c (add_mem_for_addr): Likewise. * expr.c (protect_from_queue, emit_move_insn_1): Likewise. * regmove.c (try_apply_stack_adjustment): Likewise. * reload.c (push_reload, make_memloc): Likewise. * reload1.c (eliminate_regs): Likewise. * simplify-rtx.c (simplify_replace_rtx): Likewise. * caller-save.c (setup_save_areas): Use adjust_address_nv instead of adjust_addess. * combine.c (make_extraction, simplify_shift_const): Likewise. (gen_lowpart_for_combine): Likewise. * cse.c (gen_lowpart_if_possible): Likewise. * function.c (fixup_var_refs_1, purge_addressof_1): Likewise. * expr.c (expand_expr, case COMPONENT_REF): Likewise. * optabs.c (gen_move_insn): Likewise. * reload1.c (alter_reg): Likewise. * simplify-rtx.c (simplify_subreg): Likewise. * stmt.c (expand_anon_union_decl): Likewise. * recog.c (validate_replace_rtx_1): Likewise. (expr.h): Include. * Makefile.in (recog.o): Add $(EXPR_H). * explow.c (stabilize): Call replace_equiv_address. * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise. * final.c (alter_subreg): OFFSET is HOST_WIDE_INT. 2001-07-09 Bo Thorsen <bo@suse.co.uk> * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support. 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk> * final.c (output_addr_const): Use target opening and closing parentheses. * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN defaults, add to TARGET_ASM_OUT. * target.h (struct gcc_target): Add open_paren and close_paren. * doc/md.texi: Update. * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE, TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and TARGET_ASM_CLOSE_PAREN. * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN): Override. * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN): Override. * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove. * config/a29k/a29k.h: Similarly. * config/alpha/alpha.h: Similarly. * config/arc/arc.h: Similarly. * config/arm/aof.h: Similarly. * config/arm/aout.h: Similarly. * config/avr/avr.h: Similarly. * config/c4x/c4x.h: Similarly. * config/clipper/clipper.h: Similarly. * config/convex/convex.h: Similarly. * config/d30v/d30v.h: Similarly. * config/dsp16xx/dsp16xx.h: Similarly. * config/elxsi/elxsi.h: Similarly. * config/fr30/fr30.h: Similarly. * config/h8300/h8300.h: Similarly. * config/i370/i370.h: Similarly. * config/i386/i386.h: Similarly. * config/i860/i860.h: Similarly. * config/i960/i960.h: Similarly. * config/ia64/ia64.h: Similarly. * config/m32r/m32r.h: Similarly. * config/m68hc11/m68hc11.h: Similarly. * config/m68k/m68k.h: Similarly. * config/m88k/m88k.h: Similarly. * config/mcore/mcore.h: Similarly. * config/mips/mips.h: Similarly. * config/mn10200/mn10200.h: Similarly. * config/mn10300/mn10300.h: Similarly. * config/ns32k/ns32k.h: Similarly. * config/pa/pa.h: Similarly. * config/pdp11/pdp11.h: Similarly. * config/pj/pj.h: Similarly. * config/romp/romp.h: Similarly. * config/rs6000/rs6000.h: Similarly. * config/sh/sh.h: Similarly. * config/sparc/sparc.h: Similarly. * config/v850/v850.h: Similarly. * config/vax/vax.h: Similarly. * config/we32k/we32k.h: Similarly. 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk> * doc/c-tree.texi: Document representation of attributes. 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk> * doc/tm.texi: Update some places for the rename of target to targetm. Fix typo. 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk> * target.h (struct gcc_target): Add insert_attributes. * target-def.h (TARGET_INSERT_ATTRIBUTES): Define. (TARGET_INITIALIZER): Update. * tree.c, tree.h (default_insert_attributes): New function. Update comments on other default functions to refer to targetm, not target. * doc/tm.texi (INSERT_ATTRIBUTES): Update to document TARGET_INSERT_ATTRIBUTES. (SET_DEFAULT_DECL_ATTRIBUTES): Remove. * c-common.c (decl_attributes): Use targetm.insert_attributes. Don't use PRAGMA_INSERT_ATTRIBUTES. * Makefile.in (c-common.o): Depend on $(TARGET_H). * c-decl.c (start_decl, start_function): Don't call SET_DEFAULT_DECL_ATTRIBUTES. * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define. * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't declare. * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define. (c4x_check_attribute): Avoid modifying attribute list itself. (c4x_set_default_attributes): Rename to c4x_insert_attributes. Make static. * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define. * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't declare. * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define. (sh_pragma_insert_attributes): Rename to sh_insert_attributes. Make static. * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define. * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't declare. * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define. (v850_set_default_decl_attr): Rename to v850_insert_attributes. Adjust parameters. Make static. 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk> * c-common.c (decl_attributes): Only take a single attributes parameter. * c-common.h (decl_attributes): Update prototype. * c-decl.c (start_decl, start_function): Only take a single attributes parameter. Update calls to decl_attributes. (finish_struct, finish_enum): Update calls to decl_attributes. (push_parm_decl): Expect unified list of attributes. Update call to decl_attributes. * c-parse.in (fndef, initdcl, notype_initdcl, nested_function, notype_nested_function, component_declarator, component_notype_declarator, label): Update calls to decl_attributes. (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute lists that are passed to push_parm_decl. * c-tree.h (start_function, start_decl): Update prototypes. * config/sh/sh-protos.h, config/sh/sh.c (sh_pragma_insert_attributes): Only take a single attributes parameter. * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise. * doc/tm.texi (INSERT_ATTRIBUTES): Update. * objc/objc-act.c (define_decl, generate_objc_symtab_decl, build_module_descriptor, generate_static_references, generate_strings, build_selector_translation_table, generate_descriptor_table, generate_protocols, generate_ivars_list, generate_dispatch_table, generate_protocol_list, generate_category, generate_shared_structures, really_start_method, add_objc_decls, generate_classref_translation_entry): Update calls to start_decl and start_function. (build_tmp_function_decl, start_method_def): Unify attribute lists that are passed to push_parm_decl. 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk> * final.c (no_asm_to_stream): New. (final_scan_insn): Use target structures for prologue ends and epilogue starts. * output.h (no_asm_to_stream): New. * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE, TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New. (TARGET_ASM_OUT): Update. * target.h (struct gcc_target): New members function_end_prologue and function_begin_epilogue. * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused. * config/alpha/alpha-protos.h (output_end_prologue): Delete. * config/alpha/alpha.c (output_end_prologue): Rename to alpha_output_function_end_prologue. Use in target struct and make static. * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete. * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete. * config/ia64/ia64.c (ia64_output_end_prologue): Rename to ia64_output_function_end_prologue. Use in target struct and make static. (ia64_function_prologue, ia64_funciton_epilogue): Rename mistyped prototypes. * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete. * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue): Delete. * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename an use in target struct, make static. * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE): Delete. 2001-07-08 Richard Henderson <rth@redhat.com> * stmt.c (emit_case_nodes): Convert modes properly in low+high test. 2001-07-08 Richard Henderson <rth@redhat.com> * config/i386/i386.md: Remove constraints strings from define_split and define_peephole2 patterns. (eh_return_si, eh_return_di): Split eh_return_1 for modes. (eh_return): Use them. 2001-07-08 Richard Henderson <rth@redhat.com> * doc/tm.texi (Exception Handling): New subnode of Stack and Calling. Document MD_FALLBACK_FRAME_STATE_FOR. 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr> * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset): Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM elimination. * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0. 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com> * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end of the label inside NAME as opposed to just the end of NAME. 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk> * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete. * config/alpha/alpha.c (alpha_init_machine_status, alpha_mark_machine_status, alpha_free_machine_status): Delete. (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS. (vms_valid_decl_attribute_p): Make static, conditionally compile. * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete. 2001-07-06 Stan Shebs <shebs@apple.com> * target.h (targetm): Rename global from "target", so as not to conflict with local variables. * c-decl.c: Ditto. * c-typeck.c: Ditto. * final.c: Ditto. * tree.c: Ditto. * cp/decl.c: Ditto. * cp/decl2.c: Ditto. * cp/typeck.c: Ditto. * 1750a/1750a.c: Ditto. * a29k/a29k.c: Ditto. * arc/arc.c: Ditto. * arm/arm.c: Ditto. * avr/avr.c: Ditto. * clipper/clipper.c: Ditto. * convex/convex.c: Ditto. * d30v/d30v.c: Ditto. * dsp16xx/dsp16xx.c: Ditto. * elxsi/elxsi.c: Ditto. * fr30/fr30.c: Ditto. * h8300/h8300.c: Ditto. * i370/i370.c: Ditto. * i386/i386.c: Ditto. * i860/i860.c: Ditto. * i960/i960.c: Ditto. * ia64/ia64.c: Ditto. * m32r/m32r.c: Ditto. * m68hc11/m68hc11.c: Ditto. * m68k/m68k.c: Ditto. * m88k/m88k.c: Ditto. * mips/mips.c: Ditto. * ns32k/ns32k.c: Ditto. * pa/pa.c: Ditto. * pdp11/pdp11.c: Ditto. * romp/romp.c: Ditto. * rs6000/rs6000.c: Ditto. * sh/sh.c: Ditto. * sparc/sparc.c: Ditto. * vax/vax.c: Ditto. * we32k/we32k.c: Ditto. * doc/tm.texi: Update the manual to match. 2001-07-06 Richard Henderson <rth@redhat.com> * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of DWARF2_UNWIND_INFO not just whether it is defined. 2001-07-06 Diego Novillo <dnovillo@redhat.com> * combine.c (combine_simplify_rtx): Also recompute 'mode' if the call to simplify_binary_operation returns a new pattern. 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de> * glimits.h (__SHRT_MAX__): New. (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX. (SHRT_MAX): Define in terms of __SHRT_MAX__. 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl> * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to avoid warnings. 2001-07-06 Richard Henderson <rth@redhat.com> * bitmap.c (bitmap_release_memory): Move adjacent to the allocation functions. (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing the implementation. Binary search for the set bit. (bitmap_union_of_diff): Allocate the temporary on the stack instead of using xmalloc. 2001-07-06 Richard Henderson <rth@redhat.com> * genrecog.c (validate_pattern): Warn for constraints in define_{expand,split,peephole2}. Remove strict_low_part before looking up match_dup. 2001-07-06 DJ Delorie <dj@redhat.com> * doc/gcc.texi (Makefile): Rename to be a more general purpose chapter about various build hints and history. Add section talking about the various types of native and cross builds. 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk> * Makefile.in (final.o): Depend on target.h. * final.c: Include target.h. (default_function_pro_epilogue): New. (final_start_function): Use target structure for function prologues. (final_end_function): Use target structure for function epilogues. * fold-const.c (real_hex_to_f): Constify s and p. * output.h (default_function_pro_epilogue): New. * real.h (real_hex_to_f): Update prototype. * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New. (TARGET_INITIALIZER): Update. * target.h (gcc_target): Add struct asm_out. * doc/tm.texi: Update. config: Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions in cpu/cpu.c, or rename old functions consistently. Take a HOST_WIDE INT not an int as the SIZE parameter. Remove now redundant macros and prototypes. Make new functions static. * 1750a/1750a.c: Similarly. * 1750a/1750a.h: Similarly. * a29k/a29k-protos.h: Similarly. * a29k/a29k.c: Similarly. * a29k/a29k.h: Similarly. * arc/arc-protos.h: Similarly. * arc/arc.c: Similarly. * arc/arc.h: Similarly. * arm/arm-protos.h: Similarly. * arm/arm.c: Similarly. * arm/arm.h: Similarly. * avr/avr-protos.h: Similarly. * avr/avr.c: Similarly. * avr/avr.h: Similarly. * clipper/clipper-protos.h: Similarly. * clipper/clipper.c: Similarly. * clipper/clipper.h: Similarly. * convex/convex.c: Similarly. * convex/convex.h: Similarly. * d30v/d30v-protos.h: Similarly. * d30v/d30v.c: Similarly. * d30v/d30v.h: Similarly. * d30v/d30v.md: Similarly. * dsp16xx/dsp16xx-protos.h: Similarly. * dsp16xx/dsp16xx.c: Similarly. * dsp16xx/dsp16xx.h: Similarly. * elxsi/elxsi.c: Similarly. * elxsi/elxsi.h: Similarly. * fr30/fr30.c: Similarly. * fr30/fr30.md: Similarly. * h8300/h8300-protos.h: Similarly. * h8300/h8300.c: Similarly. * h8300/h8300.h: Similarly. * i370/i370-protos.h: Similarly. * i370/i370.c: Similarly. * i370/i370.h: Similarly. * i386/i386.c: Similarly. * i386/osf1elf.h: Similarly. * i386/osfrose.h: Similarly. * i860/i860-protos.h: Similarly. * i860/i860.c: Similarly. * i860/i860.h: Similarly. * i960/i960-protos.h: Similarly. * i960/i960.c: Similarly. * i960/i960.h: Similarly. * ia64/ia64-protos.h: Similarly. * ia64/ia64.c: Similarly. * ia64/ia64.h: Similarly. * m32r/m32r-protos.h: Similarly. * m32r/m32r.c: Similarly. * m32r/m32r.h: Similarly. * m68hc11/m68hc11-protos.h: Similarly. * m68hc11/m68hc11.c: Similarly. * m68hc11/m68hc11.h: Similarly. * m68k/crds.h: Similarly. * m68k/dpx2.h: Similarly. * m68k/m68k-protos.h: Similarly. * m68k/m68k.c: Similarly. * m68k/m68k.h: Similarly. * m68k/news.h: Similarly. * m88k/m88k-protos.h: Similarly. * m88k/m88k.c: Similarly. * m88k/m88k.h: Similarly. * mips/mips-protos.h: Similarly. * mips/mips.c: Similarly. * mips/mips.h: Similarly. * ns32k/merlin.h: Similarly. * ns32k/ns32k.c: Similarly. * ns32k/ns32k.h: Similarly. * ns32k/tek6000.h: Similarly. * pa/pa-protos.h: Similarly. * pa/pa.c: Similarly. * pa/pa.h: Similarly. * pdp11/2bsd.h: Similarly. * pdp11/pdp11-protos.h: Similarly. * pdp11/pdp11.c: Similarly. * pdp11/pdp11.h: Similarly. * romp/romp-protos.h: Similarly. * romp/romp.c: Similarly. * romp/romp.h: Similarly. * rs6000/rs6000-protos.h: Similarly. * rs6000/rs6000.c: Similarly. * rs6000/rs6000.h: Similarly. * rs6000/sysv4.h: Similarly. * sh/sh-protos.h: Similarly. * sh/sh.c: Similarly. * sh/sh.h: Similarly. * sparc/sparc-protos.h: Similarly. * sparc/sparc.c: Similarly. * sparc/sparc.h: Similarly. * vax/vax.c: Similarly. * vax/vax.h: Similarly. * vax/vms.h: Similarly. * we32k/we32k.c: Similarly. * we32k/we32k.h: Similarly. Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com) * basic-block.h (first_insn_after_basic_block_note): Declare. * flow.c (first_insn_after_basic_block_note): Define. Moved from... * ssa.c (first_insn_after_basic_block_note): Remove. * ssa-dce.c (find_inherently_necessary): Consider BARRIERs necessary. (ssa_eliminate_dead_code): Properly update the CFG and PHI nodes when we find a dead conditional branch. Insert BARRIERs after any blocks with no successors, but which do not have any BARRIERs. 2001-07-06 Zack Weinberg <zackw@stanford.edu> * varray.c (varray_check_failed): Use internal_error. 2001-07-05 Andrew Haley <aph@redhat.com> * Makefile.in (LIB2_DIVMOD_FUNCS): New. (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS. * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS. 2001-07-02 Jason Merrill <jason_merrill@redhat.com> * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool reference if the target constant is also a SYMBOL_REF. 2001-07-05 Eric Christopher <echristo@redhat.com> * config/mips/mips.h (MASK_MIPS3900): Remove. (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV, MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal. (TARGET_MIPS3900): Change to use mips_arch. (TARGET_MIPS4000): New. (TARGET_MIPS4100): New. (TARGET_MIPS4300): New. (TARGET_SWITCHES): Change 3900 and 4650 options to NULL. (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text for -mipsX. (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900. (ISA_HAS_BRANCHLIKELY): To here. (CC1_CPU_SPEC): New. (CC1_SPEC): Use here. Remove 4650 and 3900 options. (mips_arch_string): Declare. (mips_arch): Declare. (TARGET_OPTIONS): Add -march and -mtune. * config/mips/mips.c (mips_arch_string): New. (mips_arch): New. (override_options): Handle -march for codegen and -mtune for scheduling. Use mips_arch. Move tx39 target default here. (mips_parse_cpu): Move error message to override_options. * config/mips/r3900.h (TARGET_DEFAULT): Remove. * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300. * doc/invoke.texi (Option Summary): Add -march and -mtune entries. (MIPS Options): Ditto. Change mcpu entry to historical text. 2001-07-05 H.J. Lu (hjl@gnu.org) * config/mips/mips.c (mips_parse_cpu): New function to parse -march=*/-mcpu=*. 2001-07-05 Jim Wilson <wilson@redhat.com> * config/ia64/lib1funcs.asm: Revert 2001-07-02 change. * config/ia64/t-ia64: Likewise. (LIB1ASMFUNCS): Update comment. 2001-07-05 David Edelsohn <edelsohn@gnu.org> * doc/install.texi (Install GCC: Binaries): Fix typo. 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory reference using the stack pointer, adjust it since we push Y temporarily. ("*ashrsi3"): Likewise. ("*lshrsi3"): Likewise. 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr> * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address when -fomit-frame-pointer is used. 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com> * flow.c: Reverse Jan Hubicka's patch of 02July2001. (try_redirect_by_replacing_jump): Reverse updating properly the count and frequency information. Reverse removing cc0 setter. (forwarder_block_p): Reverse fixing for fallthru blocks. 2001-07-05 DJ Delorie <dj@redhat.com> * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New. (translate_options): If the above is defined, use it to map given options to new options. * doc/tm.texi: Document it. 2001-07-05 Brad Lucier <lucier@math.purdue.edu> Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> * doc/invoke.texi (Optimize Options): Document that -fgcse may cause programs using computed gotos to run more slowly. 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> * doc/install.texi (Specific): Markup, spelling and typo fixes. Fixed sorting. Consistently require binutils 2.11.2, not prereleases. (Specific, decstation-*): Canonicalize as mips-dec-*. (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement, always necessary. (Specific, m68k-altos): Removed reference to README.altos, deleted. (Specific, mips-*): Reword MIPS C compiler requirements. (Specific, powerpc*-*-*): New, mention --with-cpu once. (Specific, sunv5): Removed, obsolete. 2001-07-05 Nathan Sidwell <nathan@codesourcery.com> * dwarf2out.c (output_loc_list): Use an all ones mask for .text asm output and don't rely on long long literals. Reformat some long lines. 2001-07-05 Andreas Jaeger <aj@suse.de> * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL section. 2001-07-04 Daniel Berlin <dan@cgsoftware.com> * dwarf2out.c (dwarf2out_define): Update comment. (dwarf2out_undef): Ditto. (dwarf2out_start_source_file): Ditto. (dwarf2out_end_source_file): Ditto. (dwarf2out_finish): Output DW_MACINFO_end_file for primary file, since we never call the start/end debug hook for the primary file. 2001-07-04 Kazu Hirata <kazu@hxi.com> * config/h8300/h8300.c (get_shift_alg): Remove an extra operand from shll. 2001-07-04 Nathan Sidwell <nathan@codesourcery.com> * cppinit.c (remove_dup_dirs): Inform if a system include directory is being reordered. * doc/invoke.texi (Directory Options): GCC warns if you hide a system include. * doc/cpp.texi (Search Paths): Likewise. * doc/gcc.texi (Interoperation): Remove information about -I/usr/include. 2001-07-04 Nathan Sidwell <nathan@codesourcery.com> * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter. (VARRAY_TOP_CHAR_PTR): Likewise. 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> * gcc.c (process_command): Don't assign elements of a const char*. Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * emit-rtl.c (change_address): Don't abort if invalid address while reload is in progress. 2001-07-04 Daniel Berlin <dan@cgsoftware.com> * c-lex.c (cb_file_change): Pass line number to debug_start_source_file. (cb_undefine): Pass correct line number to debug_undef. * toplev.c (debug_start_source_file): Add line number to parameters. Pass it along to dwarf2out_start_source_file. (decode_g_option): Stop resetting debug level back to normal when we change debug formats, unless the current level is none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than 3). * toplev.h (debug_start_source_file): Add line number to parameters. * dwarf2out.h (dwarf2out_start_source_file): Add line number to parameters. * dwarf2out.c (dwarf2out_start_source_file): Add line number to parameters. Output debug_macinfo data for starting file if requested. (dwarf2out_end_source_file): Output debug_macinfo data for ending file if requested. (dwarf2out_define): Output debug_macinfo data for defining a macro if requested. (dwarf2out_undef): Output debug_macinfo data for undefining a macro if requested. (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name. (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label. (macinfo_section_label): New. DWARF2 macro info section label. (dwarf2out_init): If we want macro info, output the start label for the section. (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info attribute to the compilation unit die pointing to the macro info. 2001-07-04 Daniel Berlin <dan@cgsoftware.com> * dwarf2out.c (new_loc_list): Move to inside #ifdef DWARF2_DEBUGGING_INFO. (add_loc_descr_to_loc_list): Ditto. (output_loc_list): Ditto. Also, fix thinko in curr not being initialized. (gen_internal_sym): Ditto. Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * emit-rtl.c (replace_equiv_address): New function. * expr.h (replace_equiv_address): New declaration. * explow.c (validize_mem): Call it instead of change_address and also call if -fforce-addr and address is constant. * expr.c: Replace more calls to change_address with adjust_address and/or replace_equiv_address or to validize_mem. * function.c, regmove.c, config/alpha/alpha.c: Likewise. * config/arm/arm.md, config/clipper/clipper.md: Likewise. * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise. * config/i370/i370.md, config/i860/i860.md: Likewise. * config/i960/i960.md, config/mips/mips.c: Likewise. * config/mips/mips.md, config/pa/pa.md: Likewise. * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise. * config/rs6000/rs6000.md, config/sh/sh.md: Likewise. 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA. * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a function. 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk> * doc/include: New directory. * doc/fdl.texi: Move to doc/include/fdl.texi. * doc/texinfo.tex: Move to doc/include/texinfo.tex. * doc/include/funding.texi, doc/include/gpl.texi: New files. * doc/gcc.texi: Use funding.texi and gpl.texi. * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info, $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi): Update dependencies and use -I $(docdir)/include. 2001-07-04 Anthony Green <green@redhat.com> * config/v850/t-v850 (v850-c.o): Add missing dependencies. 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> * doc/install.texi (sparc64-*-*): Remove garbage. Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl> * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS): Fix typo in last change to use adjust_address. 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> * doc/install.texi (Specific): Update information for *-*-solaris*. Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * explow.c (plus_constant_wide): Reinitialize Y for restart. 2001-07-03 Stan Shebs <shebs@apple.com> * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove case for flag_no_mach_text_sections. (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION. * config/darwin.c (flag_no_mach_text_sections): Remove. * config/darwin-protos.h (darwin_init_pragma): Remove decl. Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * explow.c (plus_constant_wide, case PLUS): Call find_constant_term and avoid checking for constant as first operand. * recog.c (find_constant_term_loc): No longer static. (adj_offettable_operand): Delete. * rtl.h (adj_offsettable_operand): Delete declaration. (find_constant_term): Add declaration. * caller-save.c: Replace calls to adj_offsettable_operand with calls to adjust_address. * config/arm/arm.c, config/c4x/c4x.c: Likewise. * config/clipper/clipper.md, config/h8300/h8300.c: Likewise. * config/i386/i386.c, config/i386/i386.md: Likewise. * config/i860/i860.c, config/i960/i960.c: Likewise. * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise. * config/m68k/m68k.c, config/m68k/m68k.md: Likewise. * config/m88k/m88k.md, config/mcore/mcore.c: Likewise. * config/mips/mips.c, config/mips/mips.md: Likewise. * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise. * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise. * config/pa/pa.c, config/pdp11/pdp11.c: Likewise. * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise. * config/vax/vax.md, config/ns32k/ns32k.c: Likewise. * config/ns32k/ns32k.md: Likewise. 2001-07-03 Zack Weinberg <zackw@stanford.edu> * rtl.c (copy_rtx): Handle 'T' format letter. * gensupport.c (collect_insn_data): Likewise. * print-rtl.c (print_rtx): Print 'T' slots like 's'. 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com> * doc/invoke.texi (Directory Options): Specifiy range for <N> in -B option. Use 'dir' not 'foo' as example directory name. 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define. Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275. 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk> * doc/cppinternals.texi: Improve formatting and logical markup. 2001-07-03 Andreas Jaeger <aj@suse.de> * Makefile.in (insn-recog.o): Add dependency on reload.h. * genrecog.c (write_header): Include reload.h for prototypes in insn-recog.c. 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk> config: * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE, VALID_MACHINE_TYPE_ATTRIBUTE): Remove. * i386/i386-protos.h (i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p): Add. * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets. * i386/winnt.c (i386_valid_decl_attribute_p): Return directly. Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * explow.c (plus_constant_wide, case LO_SUM): New case. (plus_constant_for_output_wide): Delete. * rtl.h (plus_constant_for_output): Delete. * alias.c (canon_rtx, init_alias_analysis): Call plus_constant instead of plus_constant_for_output. * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise. * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise. * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise. * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise. * config/sparc/sparc.md: Likewise. Convert some change_address calls to adjust_address. 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk> * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Improve formatting. Improve documentation of -std and -Wwrite-strings. 2001-07-02 Geoffrey Keating <geoffk@redhat.com> * cse.c (canon_hash): Don't register registers in very small register classes, as extending their lifetime might cause reload to fail. Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz> * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter. * flow.c (forwarder_block_p): Fix for fallthru blocks. (try_redirect_by_replacing_jump): Update properly the count and frequency information. Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com) * toplev.c (dump_file_index): Move SSA dumps just after first jump dump. (dump_file): Corresponding changes. (rest_of_compilation): Move SSA path to just after the first jump pass. * doc/gcc.texi (Passes): Update due to movement of SSA path. * doc/invoke.texi: Update dump file #s as they were completely out of date with reality. 2001-07-02 Geoffrey Keating <geoffk@redhat.com> * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE. * expr.c (emit_move_insn_1): Deal with non-default STACK_PUSH_CODE. * expr.c (emit_single_push_insn): Fix warning. 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com> * expr.c (emit_move_insn_1): Avoid modifying cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined. Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * emit-rtl.c (adjust_address): New function. * expr.h (adjust_address): Add declaration. * builtins.c: Replace some calls to change_address with calls to it or to validize_mem. * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise. * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise. * config/arm/arm.c, config/convex/convex.c: Likewise. * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise. * config/i386/i386.c, config/i386/i386.md: Likewise. * config/ia64/ia64.c, config/ia64/ia64.md: Likewise. * config/m32r/m32r.c, config/m68k/m68k.md: Likewise. * config/m88k/m88k.c, config/mips/mips.md: Likewise. * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise. * config/sh/sh.c, config/sparc/sparc.md: Likewise. 2001-07-02 Jim Wilson <wilson@redhat.com> * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment. 2001-07-02 Steve Ellcey <sje@cup.hp.com> * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore. * config/ia64/lib1funcs.asm: Change macro names to match t-ia64. 2001-07-02 Zack Weinberg <zackw@stanford.edu> * cppinit.c (lang_defaults): New table. (set_lang): Just read from lang_defaults into the live options structure. 2001-07-02 Zack Weinberg <zackw@stanford.edu> * Makefile.in (doc): Depend on $(GENERATED_MANPAGES). * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1. * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed. 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> * doc/install.texi: Various spelling and markup fixes. (Installing GCC): Component specific installation instructions are gone. Fix reference. Warn about removing old install dir in the presence of shared libs. (Configuration): Invoke with options target to match configure --help. Consistently refer to gas, gld pathnames. Invert --enable-multilib documentation. Remove references to old compiler versions. Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags. 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5 section. (Specific, mips*-sgi-irix5): Note IDO download. Reworded MIPS C hints. Use GNU as instead of GAS. Markup fixes. Removed SGI Freeware reference, IRIX 6 only. (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete. Note N64 library requirement/workaround. Update O32 hints. Complete list of structure passing bug victims. 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> * doc/install.texi: Remove CVS Id. 2001-07-02 Andreas Jaeger <aj@suse.de> * ssa-dce.c (note_inherently_necessary_set): Add unused attribute. (find_inherently_necessary): Remove unused variable. 2001-07-02 Nathan Sidwell <nathan@codesourcery.com> * c-common.h (TDI_inlined): New ast dump phase. (dump_flag_name): New function. * c-dump.c (dump_files): Add inlined phase. (dump_flag_name): Define. * doc/invoke.texi (-fdump-ast-inlined): Document. Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * stor-layout.c (layout_decl): Revert change to handling of alignment in packed types. Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl for FIELD_DECL. 2001-07-01 Geoffrey Keating <geoffk@redhat.com> * doc/tm.texi (FUNCTION_ARG): Document that the last call is special. 2001-07-01 Nathan Sidwell <nathan@codesourcery.com> * tlink.c (recompile_files): Remove COMPILER_PATH and LIBRARY_PATH from the environment. 2001-07-01 Zack Weinberg <zackw@stanford.edu> * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT, RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST enumerators. (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros. * c-parse.in (OBJC_STRING): Kill. (objc_string): Decompose to [objc_string] '@' STRING. (reswords): Take the leading '@' off all the Objective C keywords. (objc_rid_sans_at): Kill. (init_reswords): Don't initialize it. (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD. (_yylex): Kill reconsider label. Look ahead one token after an '@'; if we get an identifier, check whether it's an Objective C @-keyword. If so, return the keyword. Otherwise, put back the token and return the '@' as a terminal. * cpplib.c (lex_macro_node): Remove unnecessary check for leading '@' on identifier. Clarify control flow and commentary. Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * cse.c (new_label_ref): Variable deleted. (insert): Remove set of new_label_ref. (check_for_label_ref): New function. (cse_basic_block): Don't check new_label_ref; call check_for_label_ref. See ChangeLog.5 for earlier changes. From-SVN: r43861
2001-07-02cse.c (canon_hash): Don't register registers in very small register classes...Geoffrey Keating1-1/+4
* cse.c (canon_hash): Don't register registers in very small register classes, as extending their lifetime might cause reload to fail. From-SVN: r43714
2001-07-01cse.c (new_label_ref): Variable deleted.Richard Kenner1-18/+27
* cse.c (new_label_ref): Variable deleted. (insert): Remove set of new_label_ref. (check_for_label_ref): New function. (cse_basic_block): Don't check new_label_ref; call check_for_label_ref. From-SVN: r43672
2001-05-17cse.c (fold_rtx): Use simplify_subreg.Jan Hubicka1-10/+2
* cse.c (fold_rtx): Use simplify_subreg. * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg. (simplify_gen_subreg): New. (simplify_rtx): Use simplify_subreg. * rtl.h (simplify_gen_subreg): Declare. From-SVN: r42221
2001-05-10cse.c (cse_insn): Mostly remove first hunk of code which collapsed a ↵Jeffrey A Law1-30/+15
computed jump into an... * cse.c (cse_insn): Mostly remove first hunk of code which collapsed a computed jump into an unconditional jump. In second hunk of code for collapsing computed and conditional jumps into unconditional jumps, reemit the jump in additional cases. From-SVN: r41953
2001-05-02c-lex.c: NULL_PTR -> NULL.Kaveh R. Ghazi1-15/+15
* c-lex.c: NULL_PTR -> NULL. * cse.c: Likewise. * emit-rtl.c: Likewise. * gcse.c: Likewise. * genpeep.c: Likewise. * jump.c: Likewise. * mips-tdump.c: Likewise. * reload1.c: Likewise. * rtlanal.c: Likewise. * stmt.c: Likewise. * stor-layout.c: Likewise. * toplev.c: Likewise. From-SVN: r41761
2001-04-20gcse.c (gcse_main): Fix comment typo.Jakub Jelinek1-9/+7
* gcse.c (gcse_main): Fix comment typo. (delete_null_pointer_check): Likewise. (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes. * cse.c (cse_insn): Likewise. * function.c (fixup_var_refs_insns_with_hash): The sequence is toplevel. * gcc.c-torture/execute/20010403-1.c: New test. From-SVN: r41444
2001-04-04rtl.h (set_noop_p): Declare.John Wehle1-11/+2
* rtl.h (set_noop_p): Declare. * flow.c (set_noop_p): Move from here ... * rtlanal.c (set_noop_p): ... to here and enhance. * cse.c (delete_trivially_dead_insns): Use it. * gcse.c (hash_scan_set): Likewise. * jump.c (delete_noop_moves): Likewise. * recog.c (split_all_insns): Likewise. From-SVN: r41077
2001-04-03Use byte offsets in SUBREGs instead of words.Jakub Jelinek1-19/+22
2001-04-03 Jakub Jelinek <jakub@redhat.com> David S. Miller <davem@pierdol.cobaltmicro.com> Andrew MacLeod <amacleod@redhat.com> Use byte offsets in SUBREGs instead of words. * alias.c (nonlocal_mentioned_p): Use subreg_regno function. * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno to pass new argument. (add_stored_regs): Use subreg_regno_offset function. * calls.c (expand_call): For non-paradoxical SUBREG take endianess into account. (precompute_arguments): Use gen_lowpart_SUBREG. * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG. (combine_simplify_rtx): Rework to use SUBREG_BYTE. (simplify_set): Rework to use SUBREG_BYTE. (expand_field_assignment): Use SUBREG_BYTE. (make_extraction): Use SUBREG_BYTE. (if_then_else_cond): Use SUBREG_BYTE. (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments. (gen_lowpart_for_combine): Compute full byte offset. * cse.c (mention_regs): Use SUBREG_BYTE. (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE. (canon_hash): Use SUBREG_BYTE. (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword. (gen_lowpart_if_possible): Formatting. * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos correctly. * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG (loc_descriptor): Fixup explicit XEXP into SUBREG_REG * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify certain invariants about SUBREGs the compiler creates. (gen_lowpart_SUBREG): New function. (subreg_hard_regno): New function to get the final register number. (gen_lowpart_common): Use SUBREG_BYTE. (gen_imagpart): Spacing nits. (subreg_realpart_p): Use SUBREG_BYTE. (gen_highpart): Use SUBREG_BYTE. (subreg_lowpart_p): Always compute endian corrected goal offset, even at the byte level, then compare against that. (constant_subword): New function, pulled out all constant cases from operand_subword and changed second argument name to offset. (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early and call constant_subword to do the work. Return const0_rtx if looking for a word outside of OP. (operand_subword_force): Change second arg name to offset. * expmed.c (store_bit_field): Use SUBREG_BYTE. (store_split_bit_field): Use SUBREG_BYTE. (extract_bit_field): Use SUBREG_BYTE. (extract_split_bit_field): Use SUBREG_BYTE. (expand_shift): Use SUBREG_BYTE. * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG. * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE. * flow.c (set_noop_p): Use SUBREG_BYTE. (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead. * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG. (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian correction code. (optimize_bit_field): Use SUBREG_BYTE. (purge_addressof_1): Use SUBREG_BYTE. (purge_single_hard_subreg_set): Use subreg_regno_offset function. (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true. * gengenrtl.c (special_rtx): Add SUBREG. * global.c (mark_reg_store): Use SUBREG_BYTE. (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE. * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE. * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure final byte offset is congruent to subreg's mode size. (subst_constants): Use SUBREG_BYTE. (mark_stores): Use subreg_regno_offset function. * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset function and SUBREG_BYTE. * local-alloc.c (combine_regs): Use subreg_regno_offset function. (reg_is_born): Use subreg_hard_regno. * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte endian correction code. Don't combine subregs unless resulting offset aligns with type. Fix subreg constant extraction for DImode. Simplify SUBREG of VOIDmode CONST_DOUBLE. (general_operand): Remove dead mode_altering_drug code. (indirect_operand): Use SUBREG_BYTE. (constrain_operands): Use subreg_regno_offset function. * reg-stack.c (get_true_reg): Use subreg_regno_offset function. * regmove.c (regmove_optimize): Use SUBREG_BYTE. (optimize_reg_copy_3): Use gen_lowpart_SUBREG. * regs.h (REG_SIZE): Allow target to override. (REGMODE_NATURAL_SIZE): New macro which target can override. * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used on the entire subreg rtx. (push_reload): Use SUBREG_BYTE in comments and code. (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets for hard registers inside subregs. (operands_match_p): Use subreg_regno_offset. (find_reloads): Use SUBREG_BYTE and only advance offset for subregs containing hard regs. (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian corrections when fixing up MEM subregs. (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and subreg_regno_offset where appropriate. (find_reloads_subreg_address): Use SUBREG_BYTE. Remove byte endian corrections when fixing up MEM subregs. (subst_reloads): When combining two subregs, make sure final offset is congruent to subreg's mode size. (find_replacement): Use SUBREG_BYTE and subreg_regno_offset. (refers_to_regno_for_reload_p): Use subreg_regno. (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset. * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian correction code for memory subreg fixups. (forget_old_reload_1): Use subreg_regno_offset. (choose_reload_regs): Use subreg_regno. (emit_input_reload_insns): Use SUBREG_BYTE. (reload_combine_note_store): Use subreg_regno_offset. (move2add_note_store): Use subreg_regno_offset. * resource.c (update_live_status, mark_referenced_resources): Use subreg_regno function. (mark_set_resources): Use subreg_regno function. * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE. (subreg_regno_offset, subreg_regno): Define prototypes. (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions. (gen_lowpart_SUBREG): Add prototype. * rtl.texi (subreg): Update to reflect new byte offset representation. Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now. * rtlanal.c (refers_to_regno_p): Use subreg_regno. (reg_overlap_mentioned_p): Use subreg_regno. (replace_regs); Make sure final offset of combined subreg is congruent to size of subreg's mode. (subreg_regno_offset): New function. (subreg_regno): New function. * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE. * sdbout.c (sdbout_symbol): Compute offset using alter_subreg. * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG. * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead. (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides. * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno. (a29k_get_reloaded_address): Use SUBREG_BYTE. (print_operand): Use SUBREG_BYTE. * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE. * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE. (arm_reload_out_hi): Use SUBREG_BYTE. * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset instead of SUBREG_WORD. (d30v_print_operand_memory_reference): Use subreg_regno_offset. * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix SUBREG creation to use byte offset. * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit inverted load insns): Fix explicit rtl subregs to use byte offsets. * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3, udivsi3, umodsi3): Generate SUBREGs with byte offsets. * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE. * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl to use byte offsets. (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets. * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte offsets, also make sure it is congruent to SUBREG's mode size. (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2, unnamed ldob insn): Generate SUBREGs with byte offset. (zero_extendqihi2): SUBREG's are byte offsets. * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE. (m68hc11_gen_highpart): Use SUBREG_BYTE. * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2, zero-extendqisi2): Generate SUBREGs with byte offset. (umulsidi3, mulsidi3, subreghi1ashrdi_const32, subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit subregs in rtl to use byte offsets. * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset. * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset. (mips_move_2words): Use subreg_regno_offset. (mips_secondary_reload_class): Use subreg_regno_offset. * config/mips/mips.md (DImode plus, minus, move, and logical op splits): Fixup explicit subregs in rtl to use byte offsets. * config/mn10200/mn10200.c (print_operand): Use subreg_regno function. * config/mn10300/mn10300.c (print_operand): Use subreg_regno function. * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in rtl to use byte offsets. * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE. * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit subregs to use byte offsets. * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1): Fixup explicit subregs in rtl to use byte offsets. * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE and remove byte endian correction code. * config/sh/sh.c (output_movedouble): Use subreg_regno. (gen_ashift_hi): Use SUBREG_BYTE. (regs_used): Use subreg_regno_offset. (machine_dependent_reorg): Use subreg_regno_offset. * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE. * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno. (movdf_i4): Subregs are byte offsets now. * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE. * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed. (REGMODE_NATURAL_SIZE): Override. (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode. * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs with byte offsets. (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2, extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn, extendqidi2): Generate SUBREGs with byte offsets, also make sure it is congruent to SUBREG's mode size. (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte offsets. (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc, cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2, lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper SUBREG_BYTE offset for non-paradoxical subregs in patterns. * config/v850/v850.c (print_operand, output_move_double): Use subreg_regno function. Co-Authored-By: Andrew MacLeod <amacleod@redhat.com> Co-Authored-By: David S. Miller <davem@pierdol.cobaltmicro.com> From-SVN: r41058
2001-03-21cse.c (find_comparison_args): Remove previous change.Richard Kenner1-47/+31
* cse.c (find_comparison_args): Remove previous change. * ifcvt.c (noce_process_if_block): When moving an insn, remove any REG_EQUAL notes. From-SVN: r40715
2001-03-19cse.c (find_comparison_args): Update documentation.Mark Mitchell1-31/+47
* cse.c (find_comparison_args): Update documentation. Fix mishandling of COMPARE operations. * tree.def (ABS_EXPR): Add documentation. * fold-const.c (fold): Improve folding of ABS_EXPRs. From-SVN: r40630
2001-03-07Brad's -ffast-math breakup.Brad Lucier1-1/+2
From-SVN: r40300
2001-03-02xm-lynx.h, [...]: Do not define TRUE or FALSE.Zack Weinberg1-16/+16
* config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h, config/a29k/xm-unix.h, config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h, config/clipper/xm-clix.h, config/convex/xm-convex.h, config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h, config/h8300/xm-h8300.h, config/i370/xm-i370.h, config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h, config/i386/xm-aix.h, config/i386/xm-i386.h, config/i386/xm-osf.h, config/i860/xm-i860.h, config/i960/xm-i960.h, config/ia64/xm-ia64.h, config/m32r/xm-m32r.h, config/m68k/xm-m68k.h, config/m88k/xm-m88k.h, config/mcore/xm-mcore.h, config/mips/xm-mips.h, config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h, config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h, config/romp/xm-romp.h, config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h, config/sh/xm-sh.h, config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h, config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h, config/we32k/xm-we32k.h: Do not define TRUE or FALSE. * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made empty by above change. * config.gcc: Remove references to these files. * configure.in: Detect stdbool.h. * configure, config.in: Regenerate. * system.h: Include stddef.h here if available. Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__. Then set up a sensible boolean type at the very end. * combine.c, cse.c, expr.c, fold-const.c, gensupport.c, f/com.c, config/mcore/mcore.c: Rename variables named 'true' and/or 'false'. * hash.h: Delete 'boolean' typedef and related #undefs. * f/proj.h: Delete 'bool' type. Don't include stddef.h here. * function.c, ggc-common.c, hash.h, hash.c, tlink.c, cp/decl.c, java/class.c, java/decl.c, java/java-tree.h: Replace all uses of 'boolean' with 'bool'. From-SVN: r40176
2001-02-16cse.c (new_label_ref): New variable.Richard Kenner1-4/+17
* cse.c (new_label_ref): New variable. (insert): Set it instead of recorded_label_ref. (cse_basic_block): Set recorded_label_ref if new_label_ref use, has CODE_LABEL for this function, and not already in REG_LABEL note. From-SVN: r39768
2001-02-13cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to conditionals.Jan Hubicka1-1/+1
* cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to conditionals. * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM. * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals. * flow.c (mark_regs_live_at_end): Likewise. (calculate_global_regs_live): Likewise. * gcse.c (compute_hash_table): Likewise. (compute_kill_rd): Likewise. * resource.c (mark_target_live_regs): Likewise. * rtl.h (INVALID_REGNUM): New macro. From-SVN: r39643
2001-02-06* cse.c (find_best_addr): Fix typo in computing cost.Richard Kenner1-1/+1
From-SVN: r39490
2001-01-12calls.c (emit_library_call_value_1): Add USEs and CLOBBERs to function usage ↵Alexandre Oliva1-3/+6
for arguments passed by reference. * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs to function usage for arguments passed by reference. Optimize callee-copied arguments. * regmove.c (find_related_toplev): Find uses in function usage. (replace_in_call_usage): New function. (fixup_match_1): Call it. * cse.c (cse_insn): Canonicalize registers in function usage. * reload1.c (replace_pseudos_in_call_usage): New function. (reload): Call it. From-SVN: r38964
2001-01-08jump.c (jump_optimize_1): Use reversed_comparison_code instead of ↵Jan Hubicka1-10/+10
can_reverse_comparison_p. * jump.c (jump_optimize_1): Use reversed_comparison_code instead of can_reverse_comparison_p. (jump_back_p): Likewise. (invert_exp_1): Likewise. (thread_jumps): Likewise. * simplify-rtx.c (simplify_unary_operation): Likewise. (simplify_ternary_operation): Likewise. * cse.c (find_comparison_args): Convert to use can_reverse_comparison_p. (record_jump_equiv): Likewise. From-SVN: r38802
2001-01-07* cse.c (fold_rtx): Handle unordered comparisons.Jan Hubicka1-23/+34
From-SVN: r38773
2001-01-05cse.c (find_comparison_args): Stop if the argument is known to be constant.J"orn Rennecke1-1/+14
* cse.c (find_comparison_args): Stop if the argument is known to be constant. From-SVN: r38723
2001-01-03Fix silliness in last changeBernd Schmidt1-1/+1
From-SVN: r38658
2001-01-03Add extra arg to cse_rtx_varies_pBernd Schmidt1-4/+5
From-SVN: r38656
2001-01-01Extra arg for rtx_varies_pBernd Schmidt1-1/+1
From-SVN: r38590
2000-11-24Avoid a bit of copy propagation when there's a REG_EQUIV noteRichard Sandiford1-6/+15
From-SVN: r37705
2000-11-23cse.c (cse_insn): Initialise all regcost variables.Graham Stott1-13/+23
* cse.c (cse_insn): Initialise all regcost variables. Fix a typo add missing '='. Only compare costs if there is a replacement insn. From-SVN: r37694
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