While either of the last two operands can be in memory, they can't be
swapped.
gcc/
2017-04-28 Jan Beulich <jbeul...@suse.com>
* config/i386/sse.md (xop_vpermil2<mode>3): Use alternatives.
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -17092,12 +17092,12 @@
(set_attr "mode" "TI")])
(define_insn "xop_vpermil2<mode>3"
- [(set (match_operand:VF_128_256 0 "register_operand" "=x")
+ [(set (match_operand:VF_128_256 0 "register_operand" "=x,x")
(unspec:VF_128_256
- [(match_operand:VF_128_256 1 "register_operand" "x")
- (match_operand:VF_128_256 2 "nonimmediate_operand" "%x")
- (match_operand:<sseintvecmode> 3 "nonimmediate_operand" "xm")
- (match_operand:SI 4 "const_0_to_3_operand" "n")]
+ [(match_operand:VF_128_256 1 "register_operand" "x,x")
+ (match_operand:VF_128_256 2 "nonimmediate_operand" "x,m")
+ (match_operand:<sseintvecmode> 3 "nonimmediate_operand" "xm,x")
+ (match_operand:SI 4 "const_0_to_3_operand" "n,n")]
UNSPEC_VPERMIL2))]
"TARGET_XOP"
"vpermil2<ssemodesuffix>\t{%4, %3, %2, %1, %0|%0, %1, %2, %3, %4}"
x86: vpermil2p{s,d} have no commutative operands
While either of the last two operands can be in memory, they can't be
swapped.
gcc/
2017-04-28 Jan Beulich <jbeul...@suse.com>
* config/i386/sse.md (xop_vpermil2<mode>3): Use alternatives.
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -17092,12 +17092,12 @@
(set_attr "mode" "TI")])
(define_insn "xop_vpermil2<mode>3"
- [(set (match_operand:VF_128_256 0 "register_operand" "=x")
+ [(set (match_operand:VF_128_256 0 "register_operand" "=x,x")
(unspec:VF_128_256
- [(match_operand:VF_128_256 1 "register_operand" "x")
- (match_operand:VF_128_256 2 "nonimmediate_operand" "%x")
- (match_operand:<sseintvecmode> 3 "nonimmediate_operand" "xm")
- (match_operand:SI 4 "const_0_to_3_operand" "n")]
+ [(match_operand:VF_128_256 1 "register_operand" "x,x")
+ (match_operand:VF_128_256 2 "nonimmediate_operand" "x,m")
+ (match_operand:<sseintvecmode> 3 "nonimmediate_operand" "xm,x")
+ (match_operand:SI 4 "const_0_to_3_operand" "n,n")]
UNSPEC_VPERMIL2))]
"TARGET_XOP"
"vpermil2<ssemodesuffix>\t{%4, %3, %2, %1, %0|%0, %1, %2, %3, %4}"
