diff options
| -rw-r--r-- | clang/lib/Headers/xmmintrin.h | 5 | ||||
| -rw-r--r-- | clang/test/CodeGen/ms-mm-align.c | 16 |
2 files changed, 21 insertions, 0 deletions
diff --git a/clang/lib/Headers/xmmintrin.h b/clang/lib/Headers/xmmintrin.h index 18aa8c1426a..5a8e15ad93b 100644 --- a/clang/lib/Headers/xmmintrin.h +++ b/clang/lib/Headers/xmmintrin.h @@ -924,6 +924,11 @@ _mm_movemask_ps(__m128 __a) return __builtin_ia32_movmskps(__a); } + +#ifdef _MSC_VER +#define _MM_ALIGN16 __declspec(align(16)) +#endif + #define _MM_SHUFFLE(z, y, x, w) (((z) << 6) | ((y) << 4) | ((x) << 2) | (w)) #define _MM_EXCEPT_INVALID (0x0001) diff --git a/clang/test/CodeGen/ms-mm-align.c b/clang/test/CodeGen/ms-mm-align.c new file mode 100644 index 00000000000..ae8e98086a7 --- /dev/null +++ b/clang/test/CodeGen/ms-mm-align.c @@ -0,0 +1,16 @@ +// RUN: %clang_cc1 -ffreestanding -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \ +// RUN: -triple i686--windows -emit-llvm %s -o - \ +// RUN: | FileCheck %s -check-prefix CHECK + +// Intrin.h needs size_t, but -ffreestanding prevents us from getting it from +// stddef.h. Work around it with this typedef. +typedef __SIZE_TYPE__ size_t; +#include <Intrin.h> + +void capture_ptr(int* i); +void test_mm_align16(int p) { + _MM_ALIGN16 int i; + capture_ptr(&i); +} + +// CHECK: alloca i32, align 16 |
