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| author | Chris Lattner <sabre@nondot.org> | 2006-04-18 03:24:30 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-04-18 03:24:30 +0000 |
| commit | e7c768ea24027938b52abd6ee94755b6d17f3da3 (patch) | |
| tree | 9e65c68d141466e2679d512fd836bdfc94bd148e /docs/CommandGuide | |
| parent | 843ecd647c9bcce841e113703ecd1bc57d248b82 (diff) | |
Custom lower v4i32 multiplies into a cute sequence, instead of having legalize
scalarize the sequence into 4 mullw's and a bunch of load/store traffic.
This speeds up v4i32 multiplies 4.1x (measured) on a G5. This implements
PowerPC/vec_mul.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27788 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/CommandGuide')
0 files changed, 0 insertions, 0 deletions