diff options
Diffstat (limited to 'test/CodeGen/AArch64/madd-lohi.ll')
| -rw-r--r-- | test/CodeGen/AArch64/madd-lohi.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/madd-lohi.ll b/test/CodeGen/AArch64/madd-lohi.ll new file mode 100644 index 0000000..550a8cb --- /dev/null +++ b/test/CodeGen/AArch64/madd-lohi.ll @@ -0,0 +1,19 @@ +; RUN: llc -mtriple=arm64-apple-ios7.0 %s -o - | FileCheck %s +; RUN: llc -mtriple=aarch64_be-linux-gnu %s -o - | FileCheck --check-prefix=CHECK-BE %s + +define i128 @test_128bitmul(i128 %lhs, i128 %rhs) { +; CHECK-LABEL: test_128bitmul: +; CHECK-DAG: umulh [[CARRY:x[0-9]+]], x0, x2 +; CHECK-DAG: madd [[PART1:x[0-9]+]], x0, x3, [[CARRY]] +; CHECK: madd x1, x1, x2, [[PART1]] +; CHECK: mul x0, x0, x2 + +; CHECK-BE-LABEL: test_128bitmul: +; CHECK-BE-DAG: umulh [[CARRY:x[0-9]+]], x1, x3 +; CHECK-BE-DAG: madd [[PART1:x[0-9]+]], x1, x2, [[CARRY]] +; CHECK-BE: madd x0, x0, x3, [[PART1]] +; CHECK-BE: mul x1, x1, x3 + + %prod = mul i128 %lhs, %rhs + ret i128 %prod +} |