From: Craig Topper <craig.topper@gmail.com>
Date: Thu, 19 Sep 2013 00:01:05 +0000 (+0000)
Subject: Disabling sse2 should disable aes and pclmul support.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a6cbc2701237c89a8d6fd9897066ebca798664dc;p=clang

Disabling sse2 should disable aes and pclmul support.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190977 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 56068b7d36..cc53b0f090 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -2166,7 +2166,7 @@ void X86TargetInfo::setSSELevel(llvm::StringMap<bool> &Features,
   case SSE1:
     Features["sse"] = false;
   case SSE2:
-    Features["sse2"] = false;
+    Features["sse2"] = Features["pclmul"] = Features["aes"] = false;
   case SSE3:
     Features["sse3"] = false;
     setXOPLevel(Features, NoXOP, false);
diff --git a/test/Preprocessor/x86_target_features.c b/test/Preprocessor/x86_target_features.c
index 58af218581..acffb18e4e 100644
--- a/test/Preprocessor/x86_target_features.c
+++ b/test/Preprocessor/x86_target_features.c
@@ -162,3 +162,27 @@
 
 // F16CNOAVX-NOT: #define __AVX__ 1
 // F16CNOAVX-NOT: #define __F16C__ 1
+
+// RUN: %clang -target i386-unknown-unknown -march=pentiumpro -mpclmul -x c -E -dM -o - %s | FileCheck --check-prefix=PCLMUL %s
+
+// PCLMUL: #define __PCLMUL__ 1
+// PCLMUL: #define __SSE2__ 1
+// PCLMUL-NOT: #define __SSE3__ 1
+
+// RUN: %clang -target i386-unknown-unknown -march=pentiumpro -mpclmul -mno-sse2 -x c -E -dM -o - %s | FileCheck --check-prefix=PCLMULNOSSE2 %s
+
+// PCLMULNOSSE2-NOT: #define __PCLMUL__ 1
+// PCLMULNOSSE2-NOT: #define __SSE2__ 1
+// PCLMULNOSSE2-NOT: #define __SSE3__ 1
+
+// RUN: %clang -target i386-unknown-unknown -march=pentiumpro -maes -x c -E -dM -o - %s | FileCheck --check-prefix=AES %s
+
+// AES: #define __AES__ 1
+// AES: #define __SSE2__ 1
+// AES-NOT: #define __SSE3__ 1
+
+// RUN: %clang -target i386-unknown-unknown -march=pentiumpro -maes -mno-sse2 -x c -E -dM -o - %s | FileCheck --check-prefix=AESNOSSE2 %s
+
+// AESNOSSE2-NOT: #define __AES__ 1
+// AESNOSSE2-NOT: #define __SSE2__ 1
+// AESNOSSE2-NOT: #define __SSE3__ 1