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[SystemZ] Add comparisons of large immediates using high words
authorRichard Sandiford <rsandifo@linux.vnet.ibm.com>
Tue, 1 Oct 2013 14:56:23 +0000 (14:56 +0000)
committerRichard Sandiford <rsandifo@linux.vnet.ibm.com>
Tue, 1 Oct 2013 14:56:23 +0000 (14:56 +0000)
commit185ef05ad6fdcaad1e831020b1f88d0046dd15d6
tree08ebf3788fe3c4a93e07dbc8102b136e5cc9dff4tree | snapshot
parentad366a3f67679a56d25464dc2bcad3a0a6a51780commit | diff
[SystemZ] Add comparisons of large immediates using high words

There are no corresponding patterns for small immediates because they would
prevent the use of fused compare-and-branch instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191775 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/SystemZ/SystemZInstrInfo.cpp diff | blob | history
lib/Target/SystemZ/SystemZInstrInfo.td diff | blob | history
test/CodeGen/SystemZ/asm-18.ll diff | blob | history
test/MC/Disassembler/SystemZ/insns.txt diff | blob | history
test/MC/SystemZ/insn-bad-z196.s diff | blob | history
test/MC/SystemZ/insn-bad.s diff | blob | history
test/MC/SystemZ/insn-good-z196.s diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors