82 lines · plain
1; Test f128 copysign libcalls on z14.2;3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s4 5declare float @copysignf(float, float) readnone6declare double @copysign(double, double) readnone7; FIXME: not really the correct prototype for SystemZ.8declare fp128 @copysignl(fp128, fp128) readnone9 10; Test f32 copies in which the sign comes from an f128.11define float @f1(float %a, ptr %bptr) {12; CHECK-LABEL: f1:13; CHECK: vl %v[[REG:[0-9]+]], 0(%r2)14; CHECK: cpsdr %f0, %f[[REG]], %f015; CHECK: br %r1416 %bl = load volatile fp128, ptr %bptr17 %b = fptrunc fp128 %bl to float18 %res = call float @copysignf(float %a, float %b) readnone19 ret float %res20}21 22; Test f64 copies in which the sign comes from an f128.23define double @f2(double %a, ptr %bptr) {24; CHECK-LABEL: f2:25; CHECK: vl %v[[REG:[0-9]+]], 0(%r2)26; CHECK: cpsdr %f0, %f[[REG]], %f027; CHECK: br %r1428 %bl = load volatile fp128, ptr %bptr29 %b = fptrunc fp128 %bl to double30 %res = call double @copysign(double %a, double %b) readnone31 ret double %res32}33 34; Test f128 copies in which the sign comes from an f32.35define void @f7(ptr %cptr, ptr %aptr, float %bf) {36; CHECK-LABEL: f7:37; CHECK: vl [[REG1:%v[0-7]+]], 0(%r3)38; CHECK: tmlh39; CHECK: wflnxb [[REG2:%v[0-9]+]], [[REG1]]40; CHECK: wflpxb [[REG2]], [[REG1]]41; CHECK: vst [[REG2]], 0(%r2)42; CHECK: br %r1443 %a = load volatile fp128, ptr %aptr44 %b = fpext float %bf to fp12845 %c = call fp128 @copysignl(fp128 %a, fp128 %b) readnone46 store fp128 %c, ptr %cptr47 ret void48}49 50; As above, but the sign comes from an f64.51define void @f8(ptr %cptr, ptr %aptr, double %bd) {52; CHECK-LABEL: f8:53; CHECK: vl [[REG1:%v[0-7]+]], 0(%r3)54; CHECK: tmhh55; CHECK: wflnxb [[REG2:%v[0-9]+]], [[REG1]]56; CHECK: wflpxb [[REG2]], [[REG1]]57; CHECK: vst [[REG2]], 0(%r2)58; CHECK: br %r1459 %a = load volatile fp128, ptr %aptr60 %b = fpext double %bd to fp12861 %c = call fp128 @copysignl(fp128 %a, fp128 %b) readnone62 store fp128 %c, ptr %cptr63 ret void64}65 66; As above, but the sign comes from an f128.67define void @f9(ptr %cptr, ptr %aptr, ptr %bptr) {68; CHECK-LABEL: f9:69; CHECK: vl [[REG1:%v[0-7]+]], 0(%r3)70; CHECK: vl [[REG2:%v[0-7]+]], 0(%r4)71; CHECK: tm72; CHECK: wflnxb [[REG1]], [[REG1]]73; CHECK: wflpxb [[REG1]], [[REG1]]74; CHECK: vst [[REG1]], 0(%r2)75; CHECK: br %r1476 %a = load volatile fp128, ptr %aptr77 %b = load volatile fp128, ptr %bptr78 %c = call fp128 @copysignl(fp128 %a, fp128 %b) readnone79 store fp128 %c, ptr %cptr80 ret void81}82