mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-17 03:07:06 +00:00
51409214d7
This is about 4x faster and smaller than the existing scalarization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109566 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
722 B
LLVM
26 lines
722 B
LLVM
; RUN: llc < %s -march=x86 -mattr=+sse41 | FileCheck %s
|
|
|
|
define <2 x i64> @shl1(<4 x i32> %r, <4 x i32> %a) nounwind readnone ssp {
|
|
entry:
|
|
; CHECK-NOT: shll
|
|
; CHECK: pslld
|
|
; CHECK: paddd
|
|
; CHECK: cvttps2dq
|
|
; CHECK: pmulld
|
|
|
|
%shl = shl <4 x i32> %r, %a ; <<4 x i32>> [#uses=1]
|
|
%tmp2 = bitcast <4 x i32> %shl to <2 x i64> ; <<2 x i64>> [#uses=1]
|
|
ret <2 x i64> %tmp2
|
|
}
|
|
|
|
define <2 x i64> @shl2(<16 x i8> %r, <16 x i8> %a) nounwind readnone ssp {
|
|
entry:
|
|
; CHECK-NOT: shlb
|
|
; CHECK: pblendvb
|
|
; CHECK: pblendvb
|
|
; CHECK: pblendvb
|
|
%shl = shl <16 x i8> %r, %a ; <<16 x i8>> [#uses=1]
|
|
%tmp2 = bitcast <16 x i8> %shl to <2 x i64> ; <<2 x i64>> [#uses=1]
|
|
ret <2 x i64> %tmp2
|
|
}
|