Merge peephole2 from new_ia32_branch:
* Makefile.in (STAGESTUFF): Add *.peephole2.
(mostlyclean): Likewise.
(recog.o): Depend on resource.h.
* final.c (peephole): Conditionalize decl on HAVE_peephole.
(final_scan_insn): Likewise for the invocation of peephole.
* genconfig.c (main): Look for peephole and peephole2 patterns.
Emit HAVE_peephole* accordingly.
* genpeep.c (main): Conditionalize entire output on HAVE_peephole.
* flags.h (flag_peephole2): Declare.
* toplev.c: New pass peephole2. New flag -fpeephole2.
* genattrtab.c (main): Count DEFINE_PEEPHOLE2.
* gencodes.c (main): Likewise.
* genextract.c (main): Likewise.
* genoutput.c (main): Likewise.
* genemit.c (max_operand_1): Look for the max scratch operand.
(gen_rtx_scratch): New.
(gen_exp): Use it, and pass on new arg subroutine_type.
(gen_expand): Take max scratch into account.
(gen_split): Emit peephole2 functions.
(output_peephole2_scratch): New.
(main): Include hard-reg-set.h and resource.h. Handle peephole2.
* genrecog.c (routine_type): Add PEEPHOLE2.
(IS_SPLIT): New.
(make_insn_sequence): Match outer parallel for peep2. Discard
top level scratches and dups.
(add_to_sequence): New args insn_type and top. Update all callers.
Handle toplevel peep2 matching insns.
(write_subroutine): Handle peep2.
(write_tree_1): Likewise.
(write_tree): Likewise.
(main): Likewise.
(change_state): New arg afterward. Update all callers.
Handle matching separate insns.
* recog.c (recog_next_insn): New.
(peephole2_optimize): New.
* rtl.def (DEFINE_PEEPHOLE2): New.
* resource.c (find_free_register): New argument last_insn. Use it
to find a register available through the entire span.
* resource.h (find_free_register): Update prototype.
From-SVN: r29015
1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
* rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
bounds- check RTL accesses if --enable-checking.
(RTVEC_ELT): Bounds check if --enable-checking.
(XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
(XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
GET_NUM_ELEM.
(X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
(ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
(NOTE_SOURCE_FILE): Use X0STR.
(NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
MEM_ALIAS_SET): Use X0INT.
(NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
Use X0EXP.
* real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
* rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
(rtl_check_failed_bounds, rtl_check_failed_type1,
rtl_check_failed_type2, rtvec_check_failed_bounds): New
functions.
(fancy_abort): Fix comment.
* cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
(cse_insn): Decrement LABEL_NUSES for jump target before
deleting jump insn.
* emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
* final.c (alter_subreg): Compute regno before changing x to
REG; set REGNO(x) after changing it.
* flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
notes containing CONST_INTs.
(delete_eh_regions): Use NOTE_EH_HANDLER.
* function.c (put_reg_into_stack): Make reg a MEM before
initializing it.
(fixup_var_refs_insns): Save REG_NOTES (insn) in case we
delete insn.
(gen_mem_addressof): Make reg a MEM before initializing it.
* integrate.c (copy_rtx_and_substitute): Copy '0' slots with
X0WINT.
* local-alloc.c (update_equiv_regs): Zap REG_NOTES before
deleting an insn, not after.
(block_alloc): Only look at PATTERN(insn) if we have to, and
only if it's format class 'i'.
* loop.c (check_dbra_loop): Check bl->biv->add_val is a
CONST_INT before using its INTVAL.
* print-rtl.c (print_rtx): Use X0STR.
* regmove.c (fixup_match_1): Don't look at PATTERN of
non-class-'i' insn chain elements.
* reload.c (loc_mentioned_in_p): Take address of
in->fld[1].rtx directly.
* reload1.c (reload): Change reg to a MEM before initializing
it.
* varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
have no names.
* config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
From-SVN: r29008
Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
* config/mips/mips.c (machine_dependent_reorg): Force a
barrier to output the local constant pool if a barrier hasn't
been found at a natural point in the instruction stream.
From-SVN: r29004
* Makefile.in (CFILES): Add calloc.c and getpwd.c.
(REQUIRED_OFILES): Add getpwd.o.
(getpwd.o): Add target.
* configure.in (AC_PREREQ): Bump to 2.13.
(AC_CHECK_HEADERS): Add check for <sys/stat.h>.
* getpwd.c: New file, moved here from gcc.
From-SVN: r28996
* Makefile.in (LIBS): Fix definition so we link with $(CLIB).
Remove hacks for stuff which comes from libiberty.
* Make-lang.in: Likewise.
From-SVN: r28995
* cp-tree.h (begin_init_stmts): Declare.
(finish_init_stmts): Likewise.
* cvt.c (build_up_reference): Wrap the declaration of a temporary
in a statement-expression so that we will see it when expanding
tree structure later.
* init.c (begin_init_stmts): Don't make it static.
(finish_init_stmts): Likewise.
From-SVN: r28984
* cp-tree.h (start_handler_parms): New function.
(expand_start_catch_block): Take only one parameter.
(start_handler_parms): New function.
* decl.c (start_handler_parms): Define it.
* except.c (process_start_catch_block): Take only one parameter.
Don't call grokdeclarator here.
(expand_start_catch_block): Don't call grokdeclarator here,
either.
* parse.y (handler_args): Adjust call to
expand_start_catch_block. Use start_handler_parms.
* pt.c (push_template_decl_real): Make permanent lists have
permanent elements.
(tsubst_expr): Adjust calls to expand_start_catch_block
appropriately.
* semantics.c (expand_stmt): Likewise.
From-SVN: r28983
* integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
just like we would the virtual incoming args register when
integrating.
From-SVN: r28980
* cp-tree.h (TYPE_NEEDS_CONSTRUCTING): Remove #if 0'd definition.
(maybe_inject_for_scope_var): Declare it.
(initialize_local_var): Likewise.
* decl.c (maybe_inject_for_scope_var): Make it global.
(initialize_local_var): Likewise. Move cleanup handling here,
from cp_finish_decl.
(make_rtl_for_nonlocal_decl): Use
push_obstacks_nochange/pop_obstacks, rather than
end_temporary_allocation/resume_temporary_allocation.
(cp_finish_decl): Try to complete the type of a variable when it
is declared. Move cleanup-handling to initialize_local_var.
(expand_static_init): Use tree-building code, rather than
RTL-building code.
* decl2.c (get_temp_name): Assert non-initializedness of
temporaries.
* init.c (create_temporary_var): Move RTL-assigning code to ...
(get_temp_regvar): Here.
* pt.c (tsbust_expr): Fix indentation. Call cp_finish_decl here.
* semantics.c (expand_stmt): Don't call cp_finish_decl here. Just
call initialize_local_var to generate initialization code.
From-SVN: r28973
* jump.c (delete_prior_computation): Also check calls
to constant functions. Don't bother checking for a
REG_UNUSED note before adding it.
(delete_computation): Handle multi-word hard registers
when synthesizing missing REG_DEAD notes for a register
which is both set and used by an insn.
From-SVN: r28962
