| ; Test f128 copysign operations on z14. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s |
| |
| declare float @copysignf(float, float) readnone |
| declare double @copysign(double, double) readnone |
| ; FIXME: not really the correct prototype for SystemZ. |
| declare fp128 @copysignl(fp128, fp128) readnone |
| |
| ; Test f32 copies in which the sign comes from an f128. |
| define float @f1(float %a, ptr %bptr) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: vl %v[[REG:[0-9]+]], 0(%r2) |
| ; CHECK: cpsdr %f0, %f[[REG]], %f0 |
| ; CHECK: br %r14 |
| %bl = load volatile fp128, ptr %bptr |
| %b = fptrunc fp128 %bl to float |
| %res = call float @copysignf(float %a, float %b) readnone |
| ret float %res |
| } |
| |
| ; Test f64 copies in which the sign comes from an f128. |
| define double @f2(double %a, ptr %bptr) { |
| ; CHECK-LABEL: f2: |
| ; CHECK: vl %v[[REG:[0-9]+]], 0(%r2) |
| ; CHECK: cpsdr %f0, %f[[REG]], %f0 |
| ; CHECK: br %r14 |
| %bl = load volatile fp128, ptr %bptr |
| %b = fptrunc fp128 %bl to double |
| %res = call double @copysign(double %a, double %b) readnone |
| ret double %res |
| } |
| |
| ; Test f128 copies in which the sign comes from an f32. |
| define void @f7(ptr %cptr, ptr %aptr, float %bf) { |
| ; CHECK-LABEL: f7: |
| ; CHECK: vl [[REG1:%v[0-7]+]], 0(%r3) |
| ; CHECK: tmlh |
| ; CHECK: wflnxb [[REG2:%v[0-9]+]], [[REG1]] |
| ; CHECK: wflpxb [[REG2]], [[REG1]] |
| ; CHECK: vst [[REG2]], 0(%r2) |
| ; CHECK: br %r14 |
| %a = load volatile fp128, ptr %aptr |
| %b = fpext float %bf to fp128 |
| %c = call fp128 @copysignl(fp128 %a, fp128 %b) readnone |
| store fp128 %c, ptr %cptr |
| ret void |
| } |
| |
| ; As above, but the sign comes from an f64. |
| define void @f8(ptr %cptr, ptr %aptr, double %bd) { |
| ; CHECK-LABEL: f8: |
| ; CHECK: vl [[REG1:%v[0-7]+]], 0(%r3) |
| ; CHECK: tmhh |
| ; CHECK: wflnxb [[REG2:%v[0-9]+]], [[REG1]] |
| ; CHECK: wflpxb [[REG2]], [[REG1]] |
| ; CHECK: vst [[REG2]], 0(%r2) |
| ; CHECK: br %r14 |
| %a = load volatile fp128, ptr %aptr |
| %b = fpext double %bd to fp128 |
| %c = call fp128 @copysignl(fp128 %a, fp128 %b) readnone |
| store fp128 %c, ptr %cptr |
| ret void |
| } |
| |
| ; As above, but the sign comes from an f128. |
| define void @f9(ptr %cptr, ptr %aptr, ptr %bptr) { |
| ; CHECK-LABEL: f9: |
| ; CHECK: vl [[REG1:%v[0-7]+]], 0(%r3) |
| ; CHECK: vl [[REG2:%v[0-7]+]], 0(%r4) |
| ; CHECK: tm |
| ; CHECK: wflnxb [[REG1]], [[REG1]] |
| ; CHECK: wflpxb [[REG1]], [[REG1]] |
| ; CHECK: vst [[REG1]], 0(%r2) |
| ; CHECK: br %r14 |
| %a = load volatile fp128, ptr %aptr |
| %b = load volatile fp128, ptr %bptr |
| %c = call fp128 @copysignl(fp128 %a, fp128 %b) readnone |
| store fp128 %c, ptr %cptr |
| ret void |
| } |