diff options
| author | Chris Lattner <sabre@nondot.org> | 2005-12-17 19:41:43 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-12-17 19:41:43 +0000 |
| commit | b71f9f8488f665ef042097eca28aeddb85e6c2ee (patch) | |
| tree | f6fd07225789c7a2a8c85d714aacd54bdf8038b6 /lib/Target/Sparc | |
| parent | 57dd3bc46049c528858cdd02f76149d9525199fa (diff) | |
Use a combination of sethi and or to build arbitrary immediates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24780 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Sparc')
| -rw-r--r-- | lib/Target/Sparc/SparcInstrInfo.td | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/Sparc/SparcInstrInfo.td b/lib/Target/Sparc/SparcInstrInfo.td index bc6938b1fd..dee37544ef 100644 --- a/lib/Target/Sparc/SparcInstrInfo.td +++ b/lib/Target/Sparc/SparcInstrInfo.td @@ -39,6 +39,10 @@ def simm13 : PatLeaf<(imm), [{ return (((int)N->getValue() << (32-13)) >> (32-13)) == (int)N->getValue(); }]>; +def LO10 : SDNodeXForm<imm, [{ + return CurDAG->getTargetConstant((unsigned)N->getValue() & 1023, MVT::i32); +}]>; + def HI22 : SDNodeXForm<imm, [{ // Transformation function: shift the immediate value down into the low bits. return CurDAG->getTargetConstant((unsigned)N->getValue() >> 10, MVT::i32); @@ -580,3 +584,6 @@ def FCMPED : F3_3<2, 0b110101, 0b001010110, // Small immediates. def : Pat<(i32 simm13:$val), (ORri G0, imm:$val)>; +// Arbitrary immediates. +def : Pat<(i32 imm:$val), + (ORri (SETHIi (HI22 imm:$val)), (LO10 imm:$val))>;
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