| commit | 3fafd935607844085a23c012e2a8778fa97206a0 | [log] [tgz] |
|---|---|---|
| author | Bill Wendling <isanbard@gmail.com> | Wed Nov 26 22:37:40 2008 +0000 |
| committer | Bill Wendling <isanbard@gmail.com> | Wed Nov 26 22:37:40 2008 +0000 |
| tree | f4f161d7b54e78e250c1789525bb7009601f3767 | |
| parent | ab8b794a789390ca2f1ad5372d4813911e306663 [diff] |
Generate something sensible for an [SU]ADDO op when the overflow/carry flag is
the conditional for the BRCOND statement. For instance, it will generate:
addl %eax, %ecx
jo LOF
instead of
addl %eax, %ecx
; About 10 instructions to compare the signs of LHS, RHS, and sum.
jl LOF
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60123 91177308-0d34-0410-b5e6-96231b3b80d8