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cfbf0ed8b0
SD instructions too, in addition to SS instructions. And add a comment about it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108191 91177308-0d34-0410-b5e6-96231b3b80d8
63 lines
1.4 KiB
LLVM
63 lines
1.4 KiB
LLVM
; RUN: llc < %s -march=x86-64 -mattr=+sse2 | FileCheck %s
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define double @t1(float* nocapture %x) nounwind readonly ssp {
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entry:
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; CHECK: t1:
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; CHECK: movss (%rdi), %xmm0
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; CHECK: cvtss2sd %xmm0, %xmm0
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%0 = load float* %x, align 4
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%1 = fpext float %0 to double
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ret double %1
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}
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define float @t2(double* nocapture %x) nounwind readonly ssp optsize {
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entry:
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; CHECK: t2:
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; CHECK: cvtsd2ss (%rdi), %xmm0
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%0 = load double* %x, align 8
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%1 = fptrunc double %0 to float
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ret float %1
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}
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define float @squirtf(float* %x) nounwind {
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entry:
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; CHECK: squirtf:
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; CHECK: movss (%rdi), %xmm0
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; CHECK: sqrtss %xmm0, %xmm0
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%z = load float* %x
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%t = call float @llvm.sqrt.f32(float %z)
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ret float %t
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}
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define double @squirt(double* %x) nounwind {
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entry:
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; CHECK: squirt:
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; CHECK: movsd (%rdi), %xmm0
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; CHECK: sqrtsd %xmm0, %xmm0
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%z = load double* %x
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%t = call double @llvm.sqrt.f64(double %z)
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ret double %t
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}
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define float @squirtf_size(float* %x) nounwind optsize {
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entry:
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; CHECK: squirtf_size:
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; CHECK: sqrtss (%rdi), %xmm0
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%z = load float* %x
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%t = call float @llvm.sqrt.f32(float %z)
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ret float %t
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}
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define double @squirt_size(double* %x) nounwind optsize {
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entry:
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; CHECK: squirt_size:
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; CHECK: sqrtsd (%rdi), %xmm0
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%z = load double* %x
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%t = call double @llvm.sqrt.f64(double %z)
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ret double %t
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}
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declare float @llvm.sqrt.f32(float)
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declare double @llvm.sqrt.f64(double)
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