6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-25 13:24:46 +00:00
Code Issues Projects Releases Wiki Activity

Modify the code that lowers shuffles to blends from using blendvXX to vblendXX.

Browse Source 
blendv uses a register for the selection while vblend uses an immediate.
On sandybridge they still have the same latency and execute on the same execution ports.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154396 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nadav Rotem
2012-04-10 14:33:13 +00:00
parent 45fb79bc54
commit 50e64cfe6e
6 changed files with 93 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
test/CodeGen/X86/vec_shuffle-20.ll
View File

@@ -1,4 +1,4 @@
; RUN: llc < %s -o /dev/null -march=x86 -mattr=+sse2 -mtriple=i686-apple-darwin9 -stats -info-output-file - | grep asm-printer | grep 3
; RUN: llc < %s -o /dev/null -march=x86 -mattr=+sse2 -mtriple=i686-apple-darwin9 -stats -info-output-file - | grep asm-printer | grep 2
define <4 x float> @func(<4 x float> %fp0, <4 x float> %fp1) nounwind {
entry: