X86 SSE Intrinsics: update header for sqrt_ss, rsqrt_ss and rcp_ss.
There intrinsics pass through the upper FP values from the input.
rdar://12558838
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166743 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Headers/xmmintrin.h b/lib/Headers/xmmintrin.h
index e616157..e2480ec 100644
--- a/lib/Headers/xmmintrin.h
+++ b/lib/Headers/xmmintrin.h
@@ -95,7 +95,8 @@
static __inline__ __m128 __attribute__((__always_inline__, __nodebug__))
_mm_sqrt_ss(__m128 a)
{
- return __builtin_ia32_sqrtss(a);
+ __m128 c = __builtin_ia32_sqrtss(a);
+ return (__m128) { c[0], a[1], a[2], a[3] };
}
static __inline__ __m128 __attribute__((__always_inline__, __nodebug__))
@@ -107,7 +108,8 @@
static __inline__ __m128 __attribute__((__always_inline__, __nodebug__))
_mm_rcp_ss(__m128 a)
{
- return __builtin_ia32_rcpss(a);
+ __m128 c = __builtin_ia32_rcpss(a);
+ return (__m128) { c[0], a[1], a[2], a[3] };
}
static __inline__ __m128 __attribute__((__always_inline__, __nodebug__))
@@ -119,7 +121,8 @@
static __inline__ __m128 __attribute__((__always_inline__, __nodebug__))
_mm_rsqrt_ss(__m128 a)
{
- return __builtin_ia32_rsqrtss(a);
+ __m128 c = __builtin_ia32_rsqrtss(a);
+ return (__m128) { c[0], a[1], a[2], a[3] };
}
static __inline__ __m128 __attribute__((__always_inline__, __nodebug__))
diff --git a/test/CodeGen/sse-builtins.c b/test/CodeGen/sse-builtins.c
index 0e48560..400209f 100644
--- a/test/CodeGen/sse-builtins.c
+++ b/test/CodeGen/sse-builtins.c
@@ -1,8 +1,39 @@
// RUN: %clang_cc1 -ffreestanding -triple i386-apple-darwin9 -target-cpu pentium4 -target-feature +sse4.1 -g -emit-llvm %s -o - | FileCheck %s
+#include <xmmintrin.h>
#include <emmintrin.h>
#include <smmintrin.h>
+__m128 test_rsqrt_ss(__m128 x) {
+ // CHECK: define {{.*}} @test_rsqrt_ss
+ // CHECK: call <4 x float> @llvm.x86.sse.rsqrt.ss
+ // CHECK: extractelement <4 x float> {{.*}}, i32 0
+ // CHECK: extractelement <4 x float> {{.*}}, i32 1
+ // CHECK: extractelement <4 x float> {{.*}}, i32 2
+ // CHECK: extractelement <4 x float> {{.*}}, i32 3
+ return _mm_rsqrt_ss(x);
+}
+
+__m128 test_rcp_ss(__m128 x) {
+ // CHECK: define {{.*}} @test_rcp_ss
+ // CHECK: call <4 x float> @llvm.x86.sse.rcp.ss
+ // CHECK: extractelement <4 x float> {{.*}}, i32 0
+ // CHECK: extractelement <4 x float> {{.*}}, i32 1
+ // CHECK: extractelement <4 x float> {{.*}}, i32 2
+ // CHECK: extractelement <4 x float> {{.*}}, i32 3
+ return _mm_rcp_ss(x);
+}
+
+__m128 test_sqrt_ss(__m128 x) {
+ // CHECK: define {{.*}} @test_sqrt_ss
+ // CHECK: call <4 x float> @llvm.x86.sse.sqrt.ss
+ // CHECK: extractelement <4 x float> {{.*}}, i32 0
+ // CHECK: extractelement <4 x float> {{.*}}, i32 1
+ // CHECK: extractelement <4 x float> {{.*}}, i32 2
+ // CHECK: extractelement <4 x float> {{.*}}, i32 3
+ return _mm_sqrt_ss(x);
+}
+
__m128 test_loadl_pi(__m128 x, void* y) {
// CHECK: define {{.*}} @test_loadl_pi
// CHECK: load <2 x float>* {{.*}}, align 1{{$}}