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| author | Chris Lattner <sabre@nondot.org> | 2005-10-30 06:41:49 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-10-30 06:41:49 +0000 |
| commit | 3e6099b05fa85d9e5d82f04f73722f2af301c772 (patch) | |
| tree | fc75ec12026b7ccbec80c98902b3ba4554268202 /lib/CodeGen/RegAllocLocal.cpp | |
| parent | 4446e0450949d612b40907cbd016b55c3b226c3d (diff) | |
Codegen mul by negative power of two with a shift and negate.
This implements test/Regression/CodeGen/PowerPC/mul-neg-power-2.ll,
producing:
_foo:
slwi r2, r3, 1
subfic r3, r2, 63
blr
instead of:
_foo:
mulli r2, r3, -2
addi r3, r2, 63
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24106 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegAllocLocal.cpp')
0 files changed, 0 insertions, 0 deletions