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Try to factorize the specification of saturating add/subtract operations a bit,

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as suggested by Bob Wilson.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96153 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Johnny Chen 2010-02-14 06:32:20 +00:00
parent 590bfe8641
commit 2faf3919d4
1 changed files with 36 additions and 51 deletions
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87
lib/Target/ARM/ARMInstrInfo.td
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@ -1360,76 +1360,61 @@ def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
// 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> {
// GPR:$dst = GPR:$a op GPR:$b
class AQI<bits<8> op27_20, bits<4> op7_4, string opc, list<dag> pattern>
: AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
opc, "\t$dst, $a, $b", pattern> {
let Inst{27-20} = op27_20;
let Inst{7-4} = op7_4;
}
def QADD : AQI<0b00010000, 0b0101, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qadd", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QADD : AQI<0b00010000, 0b0101, "qadd",
[/* For disassembly only; pattern left blank */]>;
def QADD16 : AQI<0b01100010, 0b0001,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qadd16", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QADD16 : AQI<0b01100010, 0b0001, "qadd16",
[/* For disassembly only; pattern left blank */]>;
def QADD8 : AQI<0b01100010, 0b1001, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qadd8", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QADD8 : AQI<0b01100010, 0b1001, "qadd8",
[/* For disassembly only; pattern left blank */]>;
def QASX : AQI<0b01100010, 0b0011, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qasx", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QASX : AQI<0b01100010, 0b0011, "qasx",
[/* For disassembly only; pattern left blank */]>;
def QDADD : AQI<0b00010100, 0b0101,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qdadd", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QDADD : AQI<0b00010100, 0b0101, "qdadd",
[/* For disassembly only; pattern left blank */]>;
def QDSUB : AQI<0b00010110, 0b0101,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qdsub", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QDSUB : AQI<0b00010110, 0b0101, "qdsub",
[/* For disassembly only; pattern left blank */]>;
def QSAX : AQI<0b01100010, 0b0101, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qsax", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QSAX : AQI<0b01100010, 0b0101, "qsax",
[/* For disassembly only; pattern left blank */]>;
def QSUB : AQI<0b00010010, 0b0101, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qsub", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QSUB : AQI<0b00010010, 0b0101, "qsub",
[/* For disassembly only; pattern left blank */]>;
def QSUB16 : AQI<0b01100010, 0b0111,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qsub16", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QSUB16 : AQI<0b01100010, 0b0111, "qsub16",
[/* For disassembly only; pattern left blank */]>;
def QSUB8 : AQI<0b01100010, 0b1111,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "qsub8", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def QSUB8 : AQI<0b01100010, 0b1111, "qsub8",
[/* For disassembly only; pattern left blank */]>;
def UQADD16 : AQI<0b01100110, 0b0001,(outs GPR:$dst),(ins GPR:$a, GPR:$b),DPFrm,
IIC_iALUr, "uqadd16", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def UQADD16 : AQI<0b01100110, 0b0001, "uqadd16",
[/* For disassembly only; pattern left blank */]>;
def UQADD8 : AQI<0b01100110, 0b1001,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "uqadd8", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def UQADD8 : AQI<0b01100110, 0b1001, "uqadd8",
[/* For disassembly only; pattern left blank */]>;
def UQASX : AQI<0b01100110, 0b0011, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "uqasx", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def UQASX : AQI<0b01100110, 0b0011, "uqasx",
[/* For disassembly only; pattern left blank */]>;
def UQSAX : AQI<0b01100110, 0b0101, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "uqsax", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def UQSAX : AQI<0b01100110, 0b0101, "uqsax",
[/* For disassembly only; pattern left blank */]>;
def UQSUB16 : AQI<0b01100110, 0b0111,(outs GPR:$dst),(ins GPR:$a, GPR:$b),DPFrm,
IIC_iALUr, "uqsub16", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def UQSUB16 : AQI<0b01100110, 0b0111, "uqsub16",
[/* For disassembly only; pattern left blank */]>;
def UQSUB8 : AQI<0b01100110, 0b1111,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
IIC_iALUr, "uqsub8", "\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>;
def UQSUB8 : AQI<0b01100110, 0b1111, "uqsub8",
[/* For disassembly only; pattern left blank */]>;
//===----------------------------------------------------------------------===//
// Bitwise Instructions.