• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; Test loads of f128 floating-point constants on z14.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
4; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s -check-prefix=CONST
5
6; Test loading zero.
7define void @f1(fp128 *%x) {
8; CHECK-LABEL: f1:
9; CHECK: vzero [[REG:%v[0-9]+]]
10; CHECK: vst [[REG]], 0(%r2)
11; CHECK: br %r14
12  store fp128 0xL00000000000000000000000000000000, fp128 *%x
13  ret void
14}
15
16; Test loading of negative floating-point zero.
17define void @f2(fp128 *%x) {
18; CHECK-LABEL: f2:
19; CHECK: vzero [[REG:%v[0-9]+]]
20; CHECK: wflnxb [[REG]], [[REG]]
21; CHECK: vst [[REG]], 0(%r2)
22; CHECK: br %r14
23  store fp128 0xL00000000000000008000000000000000, fp128 *%x
24  ret void
25}
26
27; Test loading of a 128-bit floating-point constant.  This value would
28; actually fit within the 32-bit format, but we don't have extending
29; loads into vector registers.
30define void @f3(fp128 *%x) {
31; CHECK-LABEL: f3:
32; CHECK: larl [[REGISTER:%r[1-5]+]], {{.*}}
33; CHECK: vl [[REG:%v[0-9]+]], 0([[REGISTER]])
34; CHECK: vst [[REG]], 0(%r2)
35; CHECK: br %r14
36; CONST: .quad 4611404543484231680
37; CONST: .quad 0
38  store fp128 0xL00000000000000003fff000002000000, fp128 *%x
39  ret void
40}
41