From: Sergey Shalnov <Sergey.Shalnov@intel.com>
Date: Fri, 1 Dec 2017 06:22:06 +0000 (+0000)
Subject: Fix wrong instruction vpcmpeqd generation
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1d1e69e934d629a1cf0cfa728cd13bd9a43b7ffe;p=gcc.git

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 bfa6016f5cc..8e7e844c688 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+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
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 2f4ca7c01e9..145b1c6043b 100644
--- 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 ();