Cleanup Thumb co-processor instructions a bit.

Combine redundant base classes and such. No indended functional change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135085 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2011-07-13 21:35:10 +00:00
parent 2a01946de4
commit e35c5e06fe

View File

@ -3329,9 +3329,9 @@ def t2MSR : T2SpecialReg<0b111100111000 /* op31-20 */, 0b10 /* op15-14 */,
// Move between coprocessor and ARM core register
//
class tMovRCopro<string opc, bit direction, dag oops, dag iops,
list<dag> pattern>
: T2Cop<0b1110, oops, iops,
class t2MovRCopro<bits<4> Op, string opc, bit direction, dag oops, dag iops,
list<dag> pattern>
: T2Cop<Op, oops, iops,
!strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"),
pattern> {
let Inst{27-24} = 0b1110;
@ -3353,113 +3353,69 @@ class tMovRCopro<string opc, bit direction, dag oops, dag iops,
let Inst{19-16} = CRn;
}
def tMCR : tMovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
class t2MovRRCopro<bits<4> Op, string opc, bit direction,
list<dag> pattern = []>
: T2Cop<Op, (outs),
(ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
!strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
let Inst{27-24} = 0b1100;
let Inst{23-21} = 0b010;
let Inst{20} = direction;
bits<4> Rt;
bits<4> Rt2;
bits<4> cop;
bits<4> opc1;
bits<4> CRm;
let Inst{15-12} = Rt;
let Inst{19-16} = Rt2;
let Inst{11-8} = cop;
let Inst{7-4} = opc1;
let Inst{3-0} = CRm;
}
/* from ARM core register to coprocessor */
def t2MCR : t2MovRCopro<0b1110, "mcr", 0,
(outs),
(ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, c_imm:$CRn,
c_imm:$CRm, i32imm:$opc2),
[(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
imm:$CRm, imm:$opc2)]>;
def tMRC : tMovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
(outs GPR:$Rt),
(ins p_imm:$cop, i32imm:$opc1, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
[]>;
def : Pat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
(tMRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>,
Requires<[IsThumb, HasV6T2]>;
class tMovRRCopro<string opc, bit direction,
list<dag> pattern = [/* For disassembly only */]>
: T2Cop<0b1110, (outs),
(ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
!strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
let Inst{27-24} = 0b1100;
let Inst{23-21} = 0b010;
let Inst{20} = direction;
bits<4> Rt;
bits<4> Rt2;
bits<4> cop;
bits<4> opc1;
bits<4> CRm;
let Inst{15-12} = Rt;
let Inst{19-16} = Rt2;
let Inst{11-8} = cop;
let Inst{7-4} = opc1;
let Inst{3-0} = CRm;
}
def tMCRR : tMovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
[(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
imm:$CRm)]>;
def tMRRC : tMovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
class t2MovRCopro<string opc, bit direction, dag oops, dag iops,
list<dag> pattern>
: T2Cop<0b1111, oops, iops,
!strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"),
pattern> {
let Inst{27-24} = 0b1110;
let Inst{20} = direction;
let Inst{4} = 1;
bits<4> Rt;
bits<4> cop;
bits<3> opc1;
bits<3> opc2;
bits<4> CRm;
bits<4> CRn;
let Inst{15-12} = Rt;
let Inst{11-8} = cop;
let Inst{23-21} = opc1;
let Inst{7-5} = opc2;
let Inst{3-0} = CRm;
let Inst{19-16} = CRn;
}
def t2MCR2 : t2MovRCopro<"mcr2", 0 /* from ARM core register to coprocessor */,
def t2MCR2 : t2MovRCopro<0b1111, "mcr2", 0,
(outs), (ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, c_imm:$CRn,
c_imm:$CRm, i32imm:$opc2),
[(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
imm:$CRm, imm:$opc2)]>;
def t2MRC2 : t2MovRCopro<"mrc2", 1 /* from coprocessor to ARM core register */,
/* from coprocessor to ARM core register */
def t2MRC : t2MovRCopro<0b1110, "mrc", 1,
(outs GPR:$Rt),
(ins p_imm:$cop, i32imm:$opc1, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
[]>;
def t2MRC2 : t2MovRCopro<0b1111, "mrc2", 1,
(outs GPR:$Rt), (ins p_imm:$cop, i32imm:$opc1, c_imm:$CRn,
c_imm:$CRm, i32imm:$opc2), []>;
def : T2v6Pat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
imm:$CRm, imm:$opc2),
def : T2v6Pat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
(t2MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
def : T2v6Pat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
(t2MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
class t2MovRRCopro<string opc, bit direction,
list<dag> pattern = [/* For disassembly only */]>
: T2Cop<0b1111, (outs),
(ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
!strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
let Inst{27-24} = 0b1100;
let Inst{23-21} = 0b010;
let Inst{20} = direction;
bits<4> Rt;
bits<4> Rt2;
bits<4> cop;
bits<4> opc1;
bits<4> CRm;
let Inst{15-12} = Rt;
let Inst{19-16} = Rt2;
let Inst{11-8} = cop;
let Inst{7-4} = opc1;
let Inst{3-0} = CRm;
}
def t2MCRR2 : t2MovRRCopro<"mcrr2",
0 /* from ARM core register to coprocessor */,
/* from ARM core register to coprocessor */
def t2MCRR : t2MovRRCopro<0b1110, "mcrr", 0,
[(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
imm:$CRm)]>;
def t2MCRR2 : t2MovRRCopro<0b1111, "mcrr2", 0,
[(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt,
GPR:$Rt2, imm:$CRm)]>;
def t2MRRC2 : t2MovRRCopro<"mrrc2",
1 /* from coprocessor to ARM core register */>;
/* from coprocessor to ARM core register */
def t2MRRC : t2MovRRCopro<0b1110, "mrrc", 1>;
def t2MRRC2 : t2MovRRCopro<0b1111, "mrrc2", 1>;
//===----------------------------------------------------------------------===//
// Other Coprocessor Instructions.