diff options
Diffstat (limited to 'lib/Target/Mips/Mips64InstrInfo.td')
| -rw-r--r-- | lib/Target/Mips/Mips64InstrInfo.td | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/lib/Target/Mips/Mips64InstrInfo.td b/lib/Target/Mips/Mips64InstrInfo.td index d567612..8a1245a 100644 --- a/lib/Target/Mips/Mips64InstrInfo.td +++ b/lib/Target/Mips/Mips64InstrInfo.td @@ -25,7 +25,7 @@ def uimm16_64 : Operand<i64> { // Transformation Function - get Imm - 32. def Subtract32 : SDNodeXForm<imm, [{ - return getI32Imm((unsigned)N->getZExtValue() - 32); + return getImm(N, (unsigned)N->getZExtValue() - 32); }]>; // shamt field must fit in 5 bits. @@ -36,6 +36,19 @@ def imm32_63 : ImmLeaf<i32, [{return (int32_t)Imm >= 32 && (int32_t)Imm < 64;}], Subtract32>; +// Is a 32-bit int. +def immSExt32 : ImmLeaf<i64, [{return isInt<32>(Imm);}]>; + +// Transformation Function - get the higher 16 bits. +def HIGHER : SDNodeXForm<imm, [{ + return getImm(N, (N->getZExtValue() >> 32) & 0xFFFF); +}]>; + +// Transformation Function - get the highest 16 bits. +def HIGHEST : SDNodeXForm<imm, [{ + return getImm(N, (N->getZExtValue() >> 48) & 0xFFFF); +}]>; + //===----------------------------------------------------------------------===// // Instructions specific format //===----------------------------------------------------------------------===// @@ -219,9 +232,15 @@ def : Pat<(i64 immSExt16:$in), def : Pat<(i64 immZExt16:$in), (ORi64 ZERO_64, imm:$in)>; +// 32-bit immediates +def : Pat<(i64 immSExt32:$imm), + (ORi64 (LUi64 (HI16 imm:$imm)), (LO16 imm:$imm))>; + // Arbitrary immediates def : Pat<(i64 imm:$imm), - (ORi64 (LUi64 (HI16 imm:$imm)), (LO16 imm:$imm))>; + (ORi64 (DSLL (ORi64 (DSLL (ORi64 (LUi64 (HIGHEST imm:$imm)), + (HIGHER imm:$imm)), 16), (HI16 imm:$imm)), 16), + (LO16 imm:$imm))>; // extended loads let Predicates = [NotN64] in { |