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[SystemZ] Use LOAD AND TEST for comparisons with -0
authorRichard Sandiford <rsandifo@linux.vnet.ibm.com>
Fri, 6 Dec 2013 09:59:12 +0000 (09:59 +0000)
committerRichard Sandiford <rsandifo@linux.vnet.ibm.com>
Fri, 6 Dec 2013 09:59:12 +0000 (09:59 +0000)
commit9f9758935af0a6d9ca513d14412c5e6a2a8032d5
tree304e2e10c27189fff0ea6aafcc8a95fba81f9f9atree | snapshot
parent8bf51dc72bffd9a2e2fcc3d3e0215c859eb1d60fcommit | diff
[SystemZ] Use LOAD AND TEST for comparisons with -0

...since it os equivalent to comparison with +0.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196580 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/SystemZ/SystemZInstrFP.td diff | blob | history
lib/Target/SystemZ/SystemZPatterns.td diff | blob | history
test/CodeGen/SystemZ/fp-cmp-04.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors