1; Test moves between FPRs. 2; 3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s 4; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s 5 6; Test f32 moves. 7define float @f1(float %a, float %b) { 8; CHECK-LABEL: f1: 9; CHECK: ler %f0, %f2 10; CHECK: br %r14 11 ret float %b 12} 13 14; Test f64 moves. 15define double @f2(double %a, double %b) { 16; CHECK-LABEL: f2: 17; CHECK: ldr %f0, %f2 18; CHECK: br %r14 19 ret double %b 20} 21 22; Test f128 moves. Since f128s are passed by reference, we need to force 23; a copy by other means. 24define void @f3(fp128 *%x) { 25; CHECK-LABEL: f3: 26; CHECK: lxr 27; CHECK: axbr 28; CHECK: br %r14 29 %val = load volatile fp128 , fp128 *%x 30 %sum = fadd fp128 %val, %val 31 store volatile fp128 %sum, fp128 *%x 32 store volatile fp128 %val, fp128 *%x 33 ret void 34} 35