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32 lines
950 B
LLVM
32 lines
950 B
LLVM
; Test vector subtraction on z14.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
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; Test a v4f32 subtraction.
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define <4 x float> @f6(<4 x float> %dummy, <4 x float> %val1,
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<4 x float> %val2) {
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; CHECK-LABEL: f6:
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; CHECK: vfssb %v24, %v26, %v28
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; CHECK: br %r14
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%ret = fsub <4 x float> %val1, %val2
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ret <4 x float> %ret
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}
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; Test an f32 subtraction that uses vector registers.
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define float @f7(<4 x float> %val1, <4 x float> %val2) {
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; CHECK-LABEL: f7:
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; CHECK: wfssb %f0, %v24, %v26
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; CHECK: br %r14
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%scalar1 = extractelement <4 x float> %val1, i32 0
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%scalar2 = extractelement <4 x float> %val2, i32 0
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%ret = fsub float %scalar1, %scalar2
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ret float %ret
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}
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; Test a v2f32 subtraction, which gets promoted to v4f32.
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define <2 x float> @f14(<2 x float> %val1, <2 x float> %val2) {
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; No particular output expected, but must compile.
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%ret = fsub <2 x float> %val1, %val2
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ret <2 x float> %ret
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}
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