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. 7 define 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. 15 define 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. 24 define 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
