1 ; Test moves between FPRs. 2 ; 3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s 4 5 ; Test f32 moves. 6 define 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. 14 define 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. 23 define 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
