• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; Test moves between FPRs.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
4
5; Test f32 moves.
6define float @f1(float %a, float %b) {
7; CHECK-LABEL: f1:
8; CHECK: ler %f0, %f2
9; CHECK: br %r14
10  ret float %b
11}
12
13; Test f64 moves.
14define double @f2(double %a, double %b) {
15; CHECK-LABEL: f2:
16; CHECK: ldr %f0, %f2
17; CHECK: br %r14
18  ret double %b
19}
20
21; Test f128 moves.  Since f128s are passed by reference, we need to force
22; a copy by other means.
23define void @f3(fp128 *%x) {
24; CHECK-LABEL: f3:
25; CHECK: lxr
26; CHECK: axbr
27; CHECK: br %r14
28  %val = load volatile fp128, fp128 *%x
29  %sum = fadd fp128 %val, %val
30  store volatile fp128 %sum, fp128 *%x
31  store volatile fp128 %val, fp128 *%x
32  ret void
33}
34