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authorRichard Henderson <rth@cygnus.com>1999-08-31 13:37:09 -0700
committerRichard Henderson <rth@gcc.gnu.org>1999-08-31 13:37:09 -0700
commitede7cd44999a94c3eeb6708db37d6939045b554e (patch)
treeafdcdc35501714ae0479a8139d1ee32d313b0176 /gcc/rtl.def
parent4dfeccf9d064821bede6f09da2949499f19c68c4 (diff)
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backport: Makefile.in (STAGESTUFF): Add *.peephole2.
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
Diffstat (limited to 'gcc/rtl.def')
-rw-r--r--gcc/rtl.def4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/rtl.def b/gcc/rtl.def
index 357585e..0b5a83a 100644
--- a/gcc/rtl.def
+++ b/gcc/rtl.def
@@ -207,6 +207,10 @@ DEF_RTL_EXPR(DEFINE_PEEPHOLE, "define_peephole", "EssV", 'x')
(`operands' is an alias here for `recog_operand'). */
DEF_RTL_EXPR(DEFINE_SPLIT, "define_split", "EsES", 'x')
+/* Definition of an RTL peephole operation.
+ Follows the same arguments as define_split. */
+DEF_RTL_EXPR(DEFINE_PEEPHOLE2, "define_peephole2", "EsES", 'x')
+
/* Definition of a combiner pattern.
Operands not defined yet. */
DEF_RTL_EXPR(DEFINE_COMBINE, "define_combine", "Ess", 'x')