| Ulrich Weigand | f2968d5 | 2017-07-17 17:44:20 +0000 | [diff] [blame^] | 1 | ; Test 128-bit floating-point multiplication on z14. |
| 2 | ; |
| 3 | ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s |
| 4 | |
| 5 | define void @f1(fp128 *%ptr1, fp128 *%ptr2) { |
| 6 | ; CHECK-LABEL: f1: |
| 7 | ; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r2) |
| 8 | ; CHECK-DAG: vl [[REG2:%v[0-9]+]], 0(%r3) |
| 9 | ; CHECK: wfmxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]] |
| 10 | ; CHECK: vst [[RES]], 0(%r2) |
| 11 | ; CHECK: br %r14 |
| 12 | %f1 = load fp128, fp128 *%ptr1 |
| 13 | %f2 = load fp128, fp128 *%ptr2 |
| 14 | %sum = fmul fp128 %f1, %f2 |
| 15 | store fp128 %sum, fp128 *%ptr1 |
| 16 | ret void |
| 17 | } |
| 18 | |
| 19 | define void @f2(double %f1, double %f2, fp128 *%dst) { |
| 20 | ; CHECK-LABEL: f2: |
| 21 | ; CHECK-DAG: wflld [[REG1:%v[0-9]+]], %f0 |
| 22 | ; CHECK-DAG: wflld [[REG2:%v[0-9]+]], %f2 |
| 23 | ; CHECK: wfmxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]] |
| 24 | ; CHECK: vst [[RES]], 0(%r2) |
| 25 | ; CHECK: br %r14 |
| 26 | %f1x = fpext double %f1 to fp128 |
| 27 | %f2x = fpext double %f2 to fp128 |
| 28 | %res = fmul fp128 %f1x, %f2x |
| 29 | store fp128 %res, fp128 *%dst |
| 30 | ret void |
| 31 | } |
| 32 | |