| ; Test strict 128-bit floating-point subtraction on z14. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s |
| |
| declare fp128 @llvm.experimental.constrained.fsub.f128(fp128, fp128, metadata, metadata) |
| |
| define void @f1(ptr %ptr1, ptr %ptr2) strictfp { |
| ; 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, ptr %ptr1 |
| %f2 = load fp128, ptr %ptr2 |
| %sum = call fp128 @llvm.experimental.constrained.fsub.f128( |
| fp128 %f1, fp128 %f2, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") strictfp |
| store fp128 %sum, ptr %ptr1 |
| ret void |
| } |
