commit 53ac3d88f9089affe6c5a93dc31d45a4a6f77447
author Rafael Espindola <rafael.espindola@gmail.com> Sun Nov 27 20:00:43 2011 +0000
committer Rafael Espindola <rafael.espindola@gmail.com> Sun Nov 27 20:00:43 2011 +0000
tree 3ae5bc3e323581b2b4701bdb93fe4c2a25a2669f
parent 2871020b2d30b8a642c02280be849a7924426222

Make our handling of MMX x SSE closer to what gcc does:

* Enabling sse enables mmx.
* Disabling (-mno-mmx) mmx, doesn't disable sse (we got this right already).
* The order in not important. -msse -mno-mmx is the same as -mno-mmx -msse.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145194 91177308-0d34-0410-b5e6-96231b3b80d8

test/Preprocessor/mmx.c

diff --git a/test/Preprocessor/mmx.c b/test/Preprocessor/mmx.c
new file mode 100644
index 0000000..2613cb6
--- /dev/null
+++ b/test/Preprocessor/mmx.c
@@ -0,0 +1,13 @@
+// RUN: %clang -march=i386 -m32 -E -dM %s -msse -o - 2>&1 \
+// RUN:   | FileCheck %s -check-prefix=SSE_AND_MMX
+// RUN: %clang -march=i386 -m32 -E -dM %s -msse -mno-mmx -o - 2>&1 \
+// RUN:   | FileCheck %s -check-prefix=SSE_NO_MMX
+// RUN: %clang -march=i386 -m32 -E -dM %s -mno-mmx -msse -o - 2>&1 \
+// RUN:   | FileCheck %s -check-prefix=SSE_NO_MMX
+
+// SSE_AND_MMX: #define __MMX__
+// SSE_AND_MMX: #define __SSE__
+
+// SSE_NO_MMX-NOT: __MMX__
+// SSE_NO_MMX: __SSE__
+// SSE_NO_MMX-NOT: __MMX__