aboutsummaryrefslogtreecommitdiff
path: root/test/CodeGen/palignr.c
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGen/palignr.c')
-rw-r--r--test/CodeGen/palignr.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/palignr.c b/test/CodeGen/palignr.c
new file mode 100644
index 000000000000..41e48bd2854d
--- /dev/null
+++ b/test/CodeGen/palignr.c
@@ -0,0 +1,19 @@
+// RUN: clang-cc %s -triple=i686-apple-darwin -target-feature +ssse3 -O1 -S -o - | FileCheck %s
+
+#define _mm_alignr_epi8(a, b, n) (__builtin_ia32_palignr128((a), (b), (n)))
+#define _mm_alignr_pi8(a, b, n) (__builtin_ia32_palignr((a), (b), (n*8)))
+typedef __attribute__((vector_size(8))) int int2;
+typedef __attribute__((vector_size(16))) int int4;
+
+// CHECK: palignr
+int2 mmx_align1(int2 a, int2 b) { return _mm_alignr_pi8(a, b, 7); }
+// CHECK: palignr
+int4 align1(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 15); }
+// CHECK: ret
+// CHECK: ret
+// CHECK-NOT: palignr
+int4 align2(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 16); }
+// CHECK: psrldq
+int4 align3(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 17); }
+// CHECK: xorps
+int4 align4(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 32); }