Hi:
The define_peephole2 which is added by r12-2640-gf7bf03cf69ccb7dc
should only work on general registers, considering that x86 also
supports mov instructions between gpr, sse reg, mask reg, limiting the
peephole2 predicate to general_reg_operand.
I failed to contruct a testcase, but I believe that the PR problem
should be solved by this patch.
Bootstrapped and regtested on x86_64-linux-gnu{-m32,}.
Ok for trunk?
gcc/ChangeLog:
PR target/101743
* config/i386/i386.md (peephole2): Refine predicate from
register_operand to general_reg_operand.
---
gcc/config/i386/i386.md | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 0c23ddb8d1f..51e8b475bca 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -19423,11 +19423,11 @@ (define_peephole2
;; Eliminate a reg-reg mov by inverting the condition of a cmov (#1).
;; mov r0,r1; dec r0; mov r2,r3; cmov r0,r2 -> dec r1; mov r0,r3; cmov r0, r1
(define_peephole2
- [(set (match_operand:SWI248 0 "register_operand")
- (match_operand:SWI248 1 "register_operand"))
+ [(set (match_operand:SWI248 0 "general_reg_operand")
+ (match_operand:SWI248 1 "general_reg_operand"))
(parallel [(set (reg FLAGS_REG) (match_operand 5))
(set (match_dup 0) (match_operand:SWI248 6))])
- (set (match_operand:SWI248 2 "register_operand")
+ (set (match_operand:SWI248 2 "general_reg_operand")
(match_operand:SWI248 3))
(set (match_dup 0)
(if_then_else:SWI248 (match_operator 4 "ix86_comparison_operator"
@@ -19455,10 +19455,10 @@ (define_peephole2
;; Eliminate a reg-reg mov by inverting the condition of a cmov (#2).
;; mov r2,r3; mov r0,r1; dec r0; cmov r0,r2 -> dec r1; mov r0,r3; cmov r0, r1
(define_peephole2
- [(set (match_operand:SWI248 2 "register_operand")
+ [(set (match_operand:SWI248 2 "general_reg_operand")
(match_operand:SWI248 3))
- (set (match_operand:SWI248 0 "register_operand")
- (match_operand:SWI248 1 "register_operand"))
+ (set (match_operand:SWI248 0 "general_reg_operand")
+ (match_operand:SWI248 1 "general_reg_operand"))
(parallel [(set (reg FLAGS_REG) (match_operand 5))
(set (match_dup 0) (match_operand:SWI248 6))])
(set (match_dup 0)
--
2.27.0
