diff options
Diffstat (limited to 'lib/Target/Mips/MipsInstrInfo.td')
| -rw-r--r-- | lib/Target/Mips/MipsInstrInfo.td | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/Target/Mips/MipsInstrInfo.td b/lib/Target/Mips/MipsInstrInfo.td index de09c9e..25b5d24 100644 --- a/lib/Target/Mips/MipsInstrInfo.td +++ b/lib/Target/Mips/MipsInstrInfo.td @@ -299,6 +299,9 @@ def HI16 : SDNodeXForm<imm, [{ return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF); }]>; +// Plus 1. +def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>; + // Node immediate fits as 16-bit sign extended on target immediate. // e.g. addi, andi def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>; @@ -331,6 +334,11 @@ def immLow16Zero : PatLeaf<(imm), [{ // shamt field must fit in 5 bits. def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>; +// True if (N + 1) fits in 16-bit field. +def immSExt16Plus1 : PatLeaf<(imm), [{ + return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1); +}]>; + // Mips Address Mode! SDNode frameindex could possibily be a match // since load and store instructions from stack used it. def addr : @@ -977,7 +985,7 @@ def : InstAlias<"move $dst, $src", (ADDu CPURegsOpnd:$dst, CPURegsOpnd:$src,ZERO), 1>, Requires<[NotMips64]>; def : InstAlias<"move $dst, $src", - (OR CPURegsOpnd:$dst, CPURegsOpnd:$src,ZERO), 0>, + (OR CPURegsOpnd:$dst, CPURegsOpnd:$src,ZERO), 1>, Requires<[NotMips64]>; def : InstAlias<"bal $offset", (BGEZAL RA, brtarget:$offset), 1>; def : InstAlias<"addu $rs, $rt, $imm", |