diff options
Diffstat (limited to 'test/CodeGen/SystemZ/fp-sub-04.ll')
| -rw-r--r-- | test/CodeGen/SystemZ/fp-sub-04.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/fp-sub-04.ll b/test/CodeGen/SystemZ/fp-sub-04.ll new file mode 100644 index 0000000000000..5f88132664ef3 --- /dev/null +++ b/test/CodeGen/SystemZ/fp-sub-04.ll @@ -0,0 +1,17 @@ +; Test 128-bit floating-point subtraction on z14. +; +; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s + +define void @f1(fp128 *%ptr1, fp128 *%ptr2) { +; CHECK-LABEL: f1: +; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r2) +; CHECK-DAG: vl [[REG2:%v[0-9]+]], 0(%r3) +; CHECK: wfsxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]] +; CHECK: vst [[RES]], 0(%r2) +; CHECK: br %r14 + %f1 = load fp128, fp128 *%ptr1 + %f2 = load fp128, fp128 *%ptr2 + %sum = fsub fp128 %f1, %f2 + store fp128 %sum, fp128 *%ptr1 + ret void +} |