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| author | Akira Hatanaka <ahatanaka@mips.com> | 2011-11-07 18:57:41 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2011-11-07 18:57:41 +0000 |
| commit | d5c1329078793f0e33759845c9327897540dfae6 (patch) | |
| tree | 081d04087bd7847cf7536160fd51eff26c028db9 /llvm/lib/Target | |
| parent | 80357c6227da0da3b9adfafb9a9ba2328abf8703 (diff) | |
| download | bcm5719-llvm-d5c1329078793f0e33759845c9327897540dfae6.tar.gz bcm5719-llvm-d5c1329078793f0e33759845c9327897540dfae6.zip | |
Add 64-bit to 32-bit trunc pattern.
llvm-svn: 143988
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/Mips/Mips64InstrInfo.td | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/Mips64InstrInfo.td b/llvm/lib/Target/Mips/Mips64InstrInfo.td index 05470d5a4d4..3708c4a3627 100644 --- a/llvm/lib/Target/Mips/Mips64InstrInfo.td +++ b/llvm/lib/Target/Mips/Mips64InstrInfo.td @@ -172,3 +172,8 @@ defm : SetlePats<CPU64Regs, SLT64, SLTu64>; defm : SetgtPats<CPU64Regs, SLT64, SLTu64>; defm : SetgePats<CPU64Regs, SLT64, SLTu64>; defm : SetgeImmPats<CPU64Regs, SLTi64, SLTiu64>; + +// truncate +def : Pat<(i32 (trunc CPU64Regs:$src)), + (SLL (EXTRACT_SUBREG CPU64Regs:$src, sub_32), 0)>, Requires<[IsN64]>; + |
