6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-26 05:32:25 +00:00
Code Issues Projects Releases Wiki Activity
91,727 Commits 39 Branches 0 Tags 277 MiB
8838410a75
Commit Graph

1 Commits

Author SHA1 Message Date
Benjamin Kramer
2f8a6cdfa3 X86: Turn mul of <4 x i32> into pmuludq when no SSE4.1 is available. 
pmuludq is slow, but it turns out that all the unpacking and packing of the
scalarized mul is even slower. 10% speedup on loop-vectorized paq8p.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170985 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-22 16:07:56 +00:00