mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
d17cfbe1ca
vector element 0 for a store, as it's smaller and faster. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58483 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
1.2 KiB
LLVM
28 lines
1.2 KiB
LLVM
; RUN: llvm-as < %s | llc -march=x86 -mcpu=penryn > %t
|
|
; RUN: not grep movd %t
|
|
; RUN: grep {movss %xmm} %t | count 1
|
|
; RUN: grep {extractps \\\$1, %xmm0, } %t | count 1
|
|
; PR2647
|
|
|
|
external global float, align 16 ; <float*>:0 [#uses=2]
|
|
|
|
define internal void @""() nounwind {
|
|
load float* @0, align 16 ; <float>:1 [#uses=1]
|
|
insertelement <4 x float> undef, float %1, i32 0 ; <<4 x float>>:2 [#uses=1]
|
|
call <4 x float> @llvm.x86.sse.rsqrt.ss( <4 x float> %2 ) ; <<4 x float>>:3 [#uses=1]
|
|
extractelement <4 x float> %3, i32 0 ; <float>:4 [#uses=1]
|
|
store float %4, float* @0, align 16
|
|
ret void
|
|
}
|
|
define internal void @""() nounwind {
|
|
load float* @0, align 16 ; <float>:1 [#uses=1]
|
|
insertelement <4 x float> undef, float %1, i32 1 ; <<4 x float>>:2 [#uses=1]
|
|
call <4 x float> @llvm.x86.sse.rsqrt.ss( <4 x float> %2 ) ; <<4 x float>>:3 [#uses=1]
|
|
extractelement <4 x float> %3, i32 1 ; <float>:4 [#uses=1]
|
|
store float %4, float* @0, align 16
|
|
ret void
|
|
}
|
|
|
|
declare <4 x float> @llvm.x86.sse.rsqrt.ss(<4 x float>) nounwind readnone
|
|
|