| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s |
| |
| declare fp128 @llvm.fma.f128(fp128 %f1, fp128 %f2, fp128 %f3) |
| |
| define void @f1(fp128 *%ptr1, fp128 *%ptr2, fp128 *%ptr3, fp128 *%dst) { |
| ; CHECK-LABEL: f1: |
| ; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r2) |
| ; CHECK-DAG: vl [[REG2:%v[0-9]+]], 0(%r3) |
| ; CHECK-DAG: vl [[REG3:%v[0-9]+]], 0(%r4) |
| ; CHECK: wfmaxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]], [[REG3]] |
| ; CHECK: vst [[RES]], 0(%r5) |
| ; CHECK: br %r14 |
| %f1 = load fp128, fp128 *%ptr1 |
| %f2 = load fp128, fp128 *%ptr2 |
| %f3 = load fp128, fp128 *%ptr3 |
| %res = call fp128 @llvm.fma.f128 (fp128 %f1, fp128 %f2, fp128 %f3) |
| store fp128 %res, fp128 *%dst |
| ret void |
| } |
| |
| define void @f2(fp128 *%ptr1, fp128 *%ptr2, fp128 *%ptr3, fp128 *%dst) { |
| ; CHECK-LABEL: f2: |
| ; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r2) |
| ; CHECK-DAG: vl [[REG2:%v[0-9]+]], 0(%r3) |
| ; CHECK-DAG: vl [[REG3:%v[0-9]+]], 0(%r4) |
| ; CHECK: wfmsxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]], [[REG3]] |
| ; CHECK: vst [[RES]], 0(%r5) |
| ; CHECK: br %r14 |
| %f1 = load fp128, fp128 *%ptr1 |
| %f2 = load fp128, fp128 *%ptr2 |
| %f3 = load fp128, fp128 *%ptr3 |
| %neg = fsub fp128 0xL00000000000000008000000000000000, %f3 |
| %res = call fp128 @llvm.fma.f128 (fp128 %f1, fp128 %f2, fp128 %neg) |
| store fp128 %res, fp128 *%dst |
| ret void |
| } |
| |
| define void @f3(fp128 *%ptr1, fp128 *%ptr2, fp128 *%ptr3, fp128 *%dst) { |
| ; CHECK-LABEL: f3: |
| ; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r2) |
| ; CHECK-DAG: vl [[REG2:%v[0-9]+]], 0(%r3) |
| ; CHECK-DAG: vl [[REG3:%v[0-9]+]], 0(%r4) |
| ; CHECK: wfnmaxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]], [[REG3]] |
| ; CHECK: vst [[RES]], 0(%r5) |
| ; CHECK: br %r14 |
| %f1 = load fp128, fp128 *%ptr1 |
| %f2 = load fp128, fp128 *%ptr2 |
| %f3 = load fp128, fp128 *%ptr3 |
| %res = call fp128 @llvm.fma.f128 (fp128 %f1, fp128 %f2, fp128 %f3) |
| %negres = fsub fp128 0xL00000000000000008000000000000000, %res |
| store fp128 %negres, fp128 *%dst |
| ret void |
| } |
| |
| define void @f4(fp128 *%ptr1, fp128 *%ptr2, fp128 *%ptr3, fp128 *%dst) { |
| ; CHECK-LABEL: f4: |
| ; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r2) |
| ; CHECK-DAG: vl [[REG2:%v[0-9]+]], 0(%r3) |
| ; CHECK-DAG: vl [[REG3:%v[0-9]+]], 0(%r4) |
| ; CHECK: wfnmsxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]], [[REG3]] |
| ; CHECK: vst [[RES]], 0(%r5) |
| ; CHECK: br %r14 |
| %f1 = load fp128, fp128 *%ptr1 |
| %f2 = load fp128, fp128 *%ptr2 |
| %f3 = load fp128, fp128 *%ptr3 |
| %neg = fsub fp128 0xL00000000000000008000000000000000, %f3 |
| %res = call fp128 @llvm.fma.f128 (fp128 %f1, fp128 %f2, fp128 %neg) |
| %negres = fsub fp128 0xL00000000000000008000000000000000, %res |
| store fp128 %negres, fp128 *%dst |
| ret void |
| } |
| |