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Implement 64 bit immediates

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llvm-svn: 75982
This commit is contained in:
Anton Korobeynikov 2009-07-16 14:07:06 +00:00
parent ab90a05ff3
commit 21e498ac1c
1 changed files with 4 additions and 0 deletions
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4
lib/Target/SystemZ/SystemZInstrInfo.td
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@ -703,6 +703,10 @@ def : Pat<(i64 (anyext GR32:$src)),
// FIXME: use add/sub tricks with 32678/-32768
// Arbitrary immediate support. Implement in terms of LLIHF/OILF.
def : Pat<(i64 imm:$imm),
(OR64rilo32 (MOV64rihi32 (HI32 imm:$imm)), (LO32 imm:$imm))>;
// trunc patterns
def : Pat<(i32 (trunc GR64:$src)),
(EXTRACT_SUBREG GR64:$src, subreg_32bit)>;