| Ulrich Weigand | 2b3482f | 2017-07-17 17:41:11 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s |
| 2 | |
| 3 | declare double @llvm.fma.f64(double %f1, double %f2, double %f3) |
| 4 | |
| 5 | define double @f1(double %f1, double %f2, double %acc) { |
| 6 | ; CHECK-LABEL: f1: |
| 7 | ; CHECK: wfnmadb %f0, %f0, %f2, %f4 |
| 8 | ; CHECK: br %r14 |
| 9 | %res = call double @llvm.fma.f64 (double %f1, double %f2, double %acc) |
| 10 | %negres = fsub double -0.0, %res |
| 11 | ret double %negres |
| 12 | } |
| 13 | |
| 14 | define double @f2(double %f1, double %f2, double %acc) { |
| 15 | ; CHECK-LABEL: f2: |
| 16 | ; CHECK: wfnmsdb %f0, %f0, %f2, %f4 |
| 17 | ; CHECK: br %r14 |
| 18 | %negacc = fsub double -0.0, %acc |
| 19 | %res = call double @llvm.fma.f64 (double %f1, double %f2, double %negacc) |
| 20 | %negres = fsub double -0.0, %res |
| 21 | ret double %negres |
| 22 | } |
| 23 | |