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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
declare double @llvm.experimental.constrained.fma.f64(double %f1, double %f2, double %f3, metadata, metadata)
declare float @llvm.experimental.constrained.fma.f32(float %f1, float %f2, float %f3, metadata, metadata)
define double @f1(double %f1, double %f2, double %acc) {
; CHECK-LABEL: f1:
; CHECK: wfnmadb %f0, %f0, %f2, %f4
; CHECK: br %r14
%res = call double @llvm.experimental.constrained.fma.f64 (
double %f1, double %f2, double %acc,
metadata !"round.dynamic",
metadata !"fpexcept.strict")
%negres = fsub double -0.0, %res
ret double %negres
}
define double @f2(double %f1, double %f2, double %acc) {
; CHECK-LABEL: f2:
; CHECK: wfnmsdb %f0, %f0, %f2, %f4
; CHECK: br %r14
%negacc = fsub double -0.0, %acc
%res = call double @llvm.experimental.constrained.fma.f64 (
double %f1, double %f2, double %negacc,
metadata !"round.dynamic",
metadata !"fpexcept.strict")
%negres = fsub double -0.0, %res
ret double %negres
}
define float @f3(float %f1, float %f2, float %acc) {
; CHECK-LABEL: f3:
; CHECK: wfnmasb %f0, %f0, %f2, %f4
; CHECK: br %r14
%res = call float @llvm.experimental.constrained.fma.f32 (
float %f1, float %f2, float %acc,
metadata !"round.dynamic",
metadata !"fpexcept.strict")
%negres = fsub float -0.0, %res
ret float %negres
}
define float @f4(float %f1, float %f2, float %acc) {
; CHECK-LABEL: f4:
; CHECK: wfnmssb %f0, %f0, %f2, %f4
; CHECK: br %r14
%negacc = fsub float -0.0, %acc
%res = call float @llvm.experimental.constrained.fma.f32 (
float %f1, float %f2, float %negacc,
metadata !"round.dynamic",
metadata !"fpexcept.strict")
%negres = fsub float -0.0, %res
ret float %negres
}
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