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Commit Graph

Author	SHA1	Message	Date
Eli Friedman	184944acdf	Convert a bunch more tests over to the new atomic instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140582 91177308-0d34-0410-b5e6-96231b3b80d8	2011-09-26 23:15:09 +00:00
Torok Edwin	6602922878	Fix PR5247, "lock addq" pattern (and other atomics), it DOES modify EFLAGS. LLC was scheduling compares before the adds causing wrong branches to be taken in programs, resulting in misoptimized code wherever atomic adds where used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84485 91177308-0d34-0410-b5e6-96231b3b80d8	2009-10-19 11:00:58 +00:00

Author

SHA1

Message

Date

Eli Friedman

184944acdf

Convert a bunch more tests over to the new atomic instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140582 91177308-0d34-0410-b5e6-96231b3b80d8

2011-09-26 23:15:09 +00:00

Torok Edwin

6602922878

Fix PR5247, "lock addq" pattern (and other atomics), it DOES modify EFLAGS.

LLC was scheduling compares before the adds causing wrong branches to be taken
in programs, resulting in misoptimized code wherever atomic adds where used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84485 91177308-0d34-0410-b5e6-96231b3b80d8

2009-10-19 11:00:58 +00:00

2 Commits