Fix wrong instruction vpcmpeqd generation

gcc/
	* config/i386/i386.c (standard_sse_constant_opcode): Fix wrong form for
	vpcmpeqd instruction.

From-SVN: r255291

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index bfa6016..8e7e844 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
 2017-12-01  Sergey Shalnov  <Sergey.Shalnov@intel.com>
 
+       * config/i386/i386.c (standard_sse_constant_opcode): Fix wrong form for
+       vpcmpeqd instruction.
+
+2017-12-01  Sergey Shalnov  <Sergey.Shalnov@intel.com>
+
        * config/i386/i386.c (standard_sse_constant_opcode): Fix
        registers type for 128bit mode.
 

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 2f4ca7c..145b1c6 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -10449,9 +10449,11 @@ standard_sse_constant_opcode (rtx_insn *insn, rtx x)
        case MODE_V2DF:
        case MODE_V4SF:
          gcc_assert (TARGET_SSE2);
-         return (TARGET_AVX
-                 ? "vpcmpeqd\t%0, %0, %0"
-                 : "pcmpeqd\t%0, %0");
+         return (TARGET_AVX512F
+                 ? "vpternlogd\t{$0xFF, %0, %0, %0|%0, %0, %0, 0xFF}"
+                 : TARGET_AVX
+                   ? "vpcmpeqd\t%0, %0, %0"
+                   : "pcmpeqd\t%0, %0");
 
        default:
          gcc_unreachable ();