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predicates.md (logical_const_operand): Split out of logical_operand.

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2005-12-05  Paolo Bonzini  <bonzini@gnu.org>

        * config/rs6000/predicates.md (logical_const_operand): Split
        out of logical_operand.
        (logical_operand): Use it.
        * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
        logical_const_operand.

From-SVN: r108065
This commit is contained in:
Paolo Bonzini 2005-12-05 17:20:49 +00:00 committed by Paolo Bonzini
parent afe6d70550
commit 410c459d48
3 changed files with 20 additions and 9 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2005-12-05 Paolo Bonzini <bonzini@gnu.org>
* config/rs6000/predicates.md (logical_const_operand): Split
out of logical_operand.
(logical_operand): Use it.
* config/rs6000/rs6000.md (cmp -> xor peephole2): Use
logical_const_operand.
2005-12-05 Jan Beulich <jbeulich@novell.com>
* config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS

17
gcc/config/rs6000/predicates.md
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@ -407,16 +407,13 @@
(match_test "!CONST_OK_FOR_LETTER_P (INTVAL (op), 'I')
&& !CONST_OK_FOR_LETTER_P (INTVAL (op), 'L')")))
;; Return 1 if the operand is a non-special register or a constant that
;; can be used as the operand of an OR or XOR.
(define_predicate "logical_operand"
(match_code "reg,subreg,const_int,const_double")
;; Return 1 if the operand is a constant that can be used as the operand
;; of an OR or XOR.
(define_predicate "logical_const_operand"
(match_code "const_int,const_double")
{
HOST_WIDE_INT opl, oph;
if (gpc_reg_operand (op, mode))
return 1;
if (GET_CODE (op) == CONST_INT)
{
opl = INTVAL (op) & GET_MODE_MASK (mode);
@ -441,6 +438,12 @@
|| (opl & ~ (unsigned HOST_WIDE_INT) 0xffff0000) == 0);
})
;; Return 1 if the operand is a non-special register or a constant that
;; can be used as the operand of an OR or XOR.
(define_predicate "logical_operand"
(ior (match_operand 0 "gpc_reg_operand")
(match_operand 0 "logical_const_operand")))
;; Return 1 if op is a constant that is not a logical operand, but could
;; be split into one.
(define_predicate "non_logical_cint_operand"

4
gcc/config/rs6000/rs6000.md
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@ -11283,10 +11283,10 @@
(define_peephole2
[(set (match_operand:SI 0 "register_operand")
(match_operand:SI 1 "logical_operand" ""))
(match_operand:SI 1 "logical_const_operand" ""))
(set (match_dup 0) (match_operator:SI 3 "boolean_or_operator"
[(match_dup 0)
(match_operand:SI 2 "logical_operand" "")]))
(match_operand:SI 2 "logical_const_operand" "")]))
(set (match_operand:CC 4 "cc_reg_operand" "")
(compare:CC (match_operand:SI 5 "gpc_reg_operand" "")
(match_dup 0)))