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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 | bce22b48fee6a0b0295cc18c7994f3a515e63398 (patch) | |
| tree | a2f12475de56c6048c89a89f76d600b6620fe473 /lib | |
| parent | 2ea402541fa1bd2aa9942abf7b281ef01f9a10ff (diff) | |
| download | llvm-bce22b48fee6a0b0295cc18c7994f3a515e63398.tar.gz llvm-bce22b48fee6a0b0295cc18c7994f3a515e63398.tar.bz2 llvm-bce22b48fee6a0b0295cc18c7994f3a515e63398.tar.xz | |
Add 64-bit to 32-bit trunc pattern.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143988 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/Mips/Mips64InstrInfo.td | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/Mips/Mips64InstrInfo.td b/lib/Target/Mips/Mips64InstrInfo.td index 05470d5a4d..3708c4a362 100644 --- a/lib/Target/Mips/Mips64InstrInfo.td +++ b/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]>; + |