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authorJan Beulich <jbeulich@suse.com>2017-05-02 08:19:26 +0000
committerJan Beulich <jbeulich@gcc.gnu.org>2017-05-02 08:19:26 +0000
commit26de50b098414b0322acad162a1797fe06bd261b (patch)
tree09e39f74a3cc49a589fcd529b8bd06ba69f66c6e
parent2132d92e271aed11587bafa5beadb1ee09c005cd (diff)
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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/ 2017-05-01 Jan Beulich <jbeulich@suse.com> * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand swapping, add (x,x,m,x,n) alternative. From-SVN: r247464
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/config/i386/sse.md10
2 files changed, 10 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 667eaa1..72110a2 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2017-05-01 Jan Beulich <jbeulich@suse.com>
+
+ * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
+ swapping, add (x,x,m,x,n) alternative.
+
2017-05-01 Nathan Sidwell <nathan@acm.org>
* calls.c (combine_pending_stack_adjustment_and_call): Remove
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index e8ccb1e..beb155d0 100644
--- 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}"