vec-mul-05.ll
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; Test vector negative multiply-and-add on z14.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
declare <2 x double> @llvm.fma.v2f64(<2 x double>, <2 x double>, <2 x double>)
declare <4 x float> @llvm.fma.v4f32(<4 x float>, <4 x float>, <4 x float>)
; Test a v2f64 negative multiply-and-add.
define <2 x double> @f1(<2 x double> %dummy, <2 x double> %val1,
<2 x double> %val2, <2 x double> %val3) {
; CHECK-LABEL: f1:
; CHECK: vfnmadb %v24, %v26, %v28, %v30
; CHECK: br %r14
%ret = call <2 x double> @llvm.fma.v2f64 (<2 x double> %val1,
<2 x double> %val2,
<2 x double> %val3)
%negret = fneg <2 x double> %ret
ret <2 x double> %negret
}
; Test a v2f64 negative multiply-and-subtract.
define <2 x double> @f2(<2 x double> %dummy, <2 x double> %val1,
<2 x double> %val2, <2 x double> %val3) {
; CHECK-LABEL: f2:
; CHECK: vfnmsdb %v24, %v26, %v28, %v30
; CHECK: br %r14
%negval3 = fneg <2 x double> %val3
%ret = call <2 x double> @llvm.fma.v2f64 (<2 x double> %val1,
<2 x double> %val2,
<2 x double> %negval3)
%negret = fneg <2 x double> %ret
ret <2 x double> %negret
}
; Test a v4f32 negative multiply-and-add.
define <4 x float> @f3(<4 x float> %dummy, <4 x float> %val1,
<4 x float> %val2, <4 x float> %val3) {
; CHECK-LABEL: f3:
; CHECK: vfnmasb %v24, %v26, %v28, %v30
; CHECK: br %r14
%ret = call <4 x float> @llvm.fma.v4f32 (<4 x float> %val1,
<4 x float> %val2,
<4 x float> %val3)
%negret = fneg <4 x float> %ret
ret <4 x float> %negret
}
; Test a v4f32 negative multiply-and-subtract.
define <4 x float> @f4(<4 x float> %dummy, <4 x float> %val1,
<4 x float> %val2, <4 x float> %val3) {
; CHECK-LABEL: f4:
; CHECK: vfnmssb %v24, %v26, %v28, %v30
; CHECK: br %r14
%negval3 = fneg <4 x float> %val3
%ret = call <4 x float> @llvm.fma.v4f32 (<4 x float> %val1,
<4 x float> %val2,
<4 x float> %negval3)
%negret = fneg <4 x float> %ret
ret <4 x float> %negret
}