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[PowerPC] Implement atomic NAND operations as actual NAND
authorUlrich Weigand <ulrich.weigand@de.ibm.com>
Tue, 8 Jul 2014 16:16:02 +0000 (16:16 +0000)
committerUlrich Weigand <ulrich.weigand@de.ibm.com>
Tue, 8 Jul 2014 16:16:02 +0000 (16:16 +0000)
commitb7fdc7ff16d6a4d4d7e67f2b4a72b47121531717
tree3303fb4a803ad89348e0c4b83f20ef141d80ccf2tree | snapshot
parentb8245a45995a8da5331ec01f69a6176c30bc871fcommit | diff
[PowerPC] Implement atomic NAND operations as actual NAND

This changes the implementation of atomic NAND operations
from "a & ~b" (compatible with GCC < 4.4) to actual "~(a & b)"
(compatible with GCC >= 4.4).

This is in line with the common-code and ARM back-end change
implemented in r212433.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212547 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/PowerPC/PPCISelLowering.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors