| commit | 4477590ef64796e4716f7322d8b2d1cffbaadfa1 | [log] [tgz] |
|---|---|---|
| author | Nate Begeman <natebegeman@mac.com> | Tue Jan 31 08:17:29 2006 +0000 |
| committer | Nate Begeman <natebegeman@mac.com> | Tue Jan 31 08:17:29 2006 +0000 |
| tree | da6ea5d8b8d33b955d563fea141aa29e67d38885 | |
| parent | a34b898bc0506d317b6db45eff43b75dee2c5405 [diff] |
Codegen
bool %test(int %X) {
%Y = seteq int %X, 13
ret bool %Y
}
as
_test:
addi r2, r3, -13
cntlzw r2, r2
srwi r3, r2, 5
blr
rather than
_test:
cmpwi cr7, r3, 13
mfcr r2
rlwinm r3, r2, 31, 31, 31
blr
This has very little effect on most code, but speeds up analyzer 23% and
mason 11%
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25848 91177308-0d34-0410-b5e6-96231b3b80d8