1; Test strict 128-bit floating-point multiplication on z14.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
4
5declare fp128 @llvm.experimental.constrained.fmul.f128(fp128, fp128, metadata, metadata)
6declare fp128 @llvm.experimental.constrained.fpext.f128.f64(double, metadata)
7
8define void @f1(fp128 *%ptr1, fp128 *%ptr2) #0 {
9; CHECK-LABEL: f1:
10; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r2)
11; CHECK-DAG: vl [[REG2:%v[0-9]+]], 0(%r3)
12; CHECK: wfmxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]]
13; CHECK: vst [[RES]], 0(%r2)
14; CHECK: br %r14
15  %f1 = load fp128, fp128 *%ptr1
16  %f2 = load fp128, fp128 *%ptr2
17  %sum = call fp128 @llvm.experimental.constrained.fmul.f128(
18                        fp128 %f1, fp128 %f2,
19                        metadata !"round.dynamic",
20                        metadata !"fpexcept.strict") #0
21  store fp128 %sum, fp128 *%ptr1
22  ret void
23}
24
25define void @f2(double %f1, double %f2, fp128 *%dst) #0 {
26; CHECK-LABEL: f2:
27; CHECK-DAG: wflld [[REG1:%v[0-9]+]], %f0
28; CHECK-DAG: wflld [[REG2:%v[0-9]+]], %f2
29; CHECK: wfmxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]]
30; CHECK: vst [[RES]], 0(%r2)
31; CHECK: br %r14
32  %f1x = call fp128 @llvm.experimental.constrained.fpext.f128.f64(double %f1,
33                                               metadata !"fpexcept.strict") #0
34  %f2x = call fp128 @llvm.experimental.constrained.fpext.f128.f64(double %f2,
35                                               metadata !"fpexcept.strict") #0
36  %res = call fp128 @llvm.experimental.constrained.fmul.f128(
37                        fp128 %f1x, fp128 %f2x,
38                        metadata !"round.dynamic",
39                        metadata !"fpexcept.strict") #0
40  store fp128 %res, fp128 *%dst
41  ret void
42}
43
44attributes #0 = { strictfp }
45