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sh.md (cmpeqsi_ior_t, [...]): New insns.

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* config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
(cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
and labels.

From-SVN: r36072
This commit is contained in:
Alexandre Oliva 2000-08-30 21:49:07 +00:00 committed by Alexandre Oliva
parent 8c81504d8d
commit b23ca15651
2 changed files with 33 additions and 6 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2000-08-30 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
(cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
and labels.
2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
* fixinc/gnu-regex.c: Don't define `const'.

33
gcc/config/sh/sh.md
View File

@ -558,6 +558,30 @@
cmp/eq %1,%0
cmp/eq %1,%0")
(define_insn "cmpeqsi_ior_t"
[(set (reg:SI 18)
(ior:SI (reg:SI 18)
(eq:SI (match_operand:SI 0 "arith_reg_operand" "r,z,r")
(match_operand:SI 1 "arith_operand" "N,rI,r"))))]
""
"@
bt .+4\;tst %0,%0
bt .+4\;cmp/eq %1,%0
bt .+4\;cmp/eq %1,%0"
[(set_attr "length" "4")])
(define_insn "cmpeqsi_and_t"
[(set (reg:SI 18)
(and:SI (reg:SI 18)
(eq:SI (match_operand:SI 0 "arith_reg_operand" "r,z,r")
(match_operand:SI 1 "arith_operand" "N,rI,r"))))]
""
"@
bf .+4\;tst %0,%0
bf .+4\;cmp/eq %1,%0
bf .+4\;cmp/eq %1,%0"
[(set_attr "length" "4")])
(define_insn "cmpgtsi_t"
[(set (reg:SI 18) (gt:SI (match_operand:SI 0 "arith_reg_operand" "r,r")
(match_operand:SI 1 "arith_reg_or_0_operand" "r,N")))]
@ -636,11 +660,9 @@
(match_operand:DI 1 "arith_reg_or_0_operand" "N,r")))]
"reload_completed"
[(set (reg:SI 18) (eq:SI (match_dup 2) (match_dup 3)))
(set (pc) (if_then_else (eq (reg:SI 18) (const_int 0))
(label_ref (match_dup 6))
(pc)))
(set (reg:SI 18) (eq:SI (match_dup 4) (match_dup 5)))
(match_dup 6)]
(set (reg:SI 18)
(and:SI (reg:SI 18)
(eq:SI (match_dup 4) (match_dup 5))))]
"
{
operands[2]
@ -654,7 +676,6 @@
+ (TARGET_LITTLE_ENDIAN ? 1 : 0)));
operands[4] = gen_lowpart (SImode, operands[0]);
operands[5] = gen_lowpart (SImode, operands[1]);
operands[6] = gen_label_rtx ();
}")
(define_insn "cmpgtdi_t"