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Added a bunch of saturating add/subtract instructions for disassembly only.

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llvm-svn: 96063
This commit is contained in:
Johnny Chen 2010-02-13 01:21:01 +00:00
parent d4fe983f23
commit 727c71d8ac
1 changed files with 72 additions and 0 deletions
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72
lib/Target/ARM/ARMInstrInfo.td
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@ -1330,6 +1330,78 @@ def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
// (mul X, 2^n+1) -> (add (X << n), X)
// (mul X, 2^n-1) -> (rsb X, (X << n))
// Saturating adds/subtracts -- for disassembly only
class AQI<bits<8> op27_20, bits<4> op7_4, dag oops, dag iops, Format f,
InstrItinClass itin, string opc, string asm, list<dag> pattern>
: AI<oops, iops, f, itin, opc, asm, pattern> {
let Inst{27-20} = op27_20;
let Inst{7-4} = op7_4;
}
def QADD : AQI<0b00010000, 0b0101, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qadd", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QADD16 : AQI<0b01100010, 0b0001,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qadd16", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QADD8 : AQI<0b01100010, 0b1001, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qadd8", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QASX : AQI<0b01100010, 0b0011, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qasx", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QDADD : AQI<0b00010100, 0b0101,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qdadd", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QDSUB : AQI<0b00010110, 0b0101,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qdsub", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QSAX : AQI<0b01100010, 0b0101, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qsax", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QSUB : AQI<0b00010010, 0b0101, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qsub", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QSUB16 : AQI<0b01100010, 0b0111,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qsub16", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QSUB8 : AQI<0b01100010, 0b1111,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qsub8", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def UQADD16 : AQI<0b01100110, 0b0001,(outs GPR:$dst),(ins GPR:$a, GPR:$b),DPFrm,
IIC_iALUr, "uqadd16", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def UQADD8 : AQI<0b01100110, 0b1001,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "uqadd8", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def UQASX : AQI<0b01100110, 0b0011, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "uqasx", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def UQSAX : AQI<0b01100110, 0b0101, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "uqsax", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def UQSUB16 : AQI<0b01100110, 0b0111,(outs GPR:$dst),(ins GPR:$a, GPR:$b),DPFrm,
IIC_iALUr, "uqsub16", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def UQSUB8 : AQI<0b01100110, 0b1111,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "uqsub8", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
//===----------------------------------------------------------------------===//
// Bitwise Instructions.