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Refactor encoding function for NEON 1-register with modified immediate format.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107070 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2010-06-28 21:16:30 +00:00
parent d896a97dc7
commit 08baddbc07
1 changed files with 1 additions and 5 deletions
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6
lib/Target/ARM/ARMCodeEmitter.cpp
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@ -1630,15 +1630,11 @@ void ARMCodeEmitter::emitNEON1RegModImmInstruction(const MachineInstr &MI) {
// Immediate fields: Op, Cmode, I, Imm3, Imm4 // Immediate fields: Op, Cmode, I, Imm3, Imm4
unsigned Imm = MI.getOperand(1).getImm(); unsigned Imm = MI.getOperand(1).getImm();
unsigned Op = (Imm >> 12) & 1; unsigned Op = (Imm >> 12) & 1;
Binary |= (Op << 5);
unsigned Cmode = (Imm >> 8) & 0xf; unsigned Cmode = (Imm >> 8) & 0xf;
Binary |= (Cmode << 8);
unsigned I = (Imm >> 7) & 1; unsigned I = (Imm >> 7) & 1;
Binary |= (I << 24);
unsigned Imm3 = (Imm >> 4) & 0x7; unsigned Imm3 = (Imm >> 4) & 0x7;
Binary |= (Imm3 << 16);
unsigned Imm4 = Imm & 0xf; unsigned Imm4 = Imm & 0xf;
Binary |= Imm4; Binary |= (I << 24) | (Imm3 << 16) | (Cmode << 8) | (Op << 5) | Imm4;
if (Subtarget->isThumb()) if (Subtarget->isThumb())
Binary = convertNEONDataProcToThumb(Binary); Binary = convertNEONDataProcToThumb(Binary);
emitWordLE(Binary); emitWordLE(Binary);