diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMInstrThumb2.td')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrThumb2.td | 85 |
1 files changed, 66 insertions, 19 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrThumb2.td b/llvm/lib/Target/ARM/ARMInstrThumb2.td index 6569664414f..3854b683184 100644 --- a/llvm/lib/Target/ARM/ARMInstrThumb2.td +++ b/llvm/lib/Target/ARM/ARMInstrThumb2.td @@ -31,6 +31,7 @@ def tb_addrmode : Operand<i32> { def t2_so_reg : Operand<i32>, // reg imm ComplexPattern<i32, 2, "SelectT2ShifterOperandReg", [shl,srl,sra,rotr]> { + string EncoderMethod = "getT2SORegOpValue"; let PrintMethod = "printT2SOOperand"; let MIOperandInfo = (ops rGPR, i32imm); } @@ -51,7 +52,9 @@ def t2_so_imm_neg_XFORM : SDNodeXForm<imm, [{ // represented in the imm field in the same 12-bit form that they are encoded // into t2_so_imm instructions: the 8-bit immediate is the least significant // bits [bits 0-7], the 4-bit shift/splat amount is the next 4 bits [bits 8-11]. -def t2_so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_t2_so_imm(N); }]>; +def t2_so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_t2_so_imm(N); }]> { + string EncoderMethod = "getT2SOImmOpValue"; +} // t2_so_imm_not - Match an immediate that is a complement // of a t2_so_imm. @@ -167,6 +170,47 @@ def t2addrmode_so_reg : Operand<i32>, // Multiclass helpers... // +class T2TwoRegShiftedImm<dag oops, dag iops, InstrItinClass itin, + string opc, string asm, list<dag> pattern> + : T2sI<oops, iops, itin, opc, asm, pattern> { + bits<4> Rd; + bits<4> Rn; + bits<12> imm; + + let Inst{11-8} = Rd{3-0}; + let Inst{19-16} = Rn{3-0}; + let Inst{26} = imm{11}; + let Inst{14-12} = imm{10-8}; + let Inst{7-0} = imm{7-0}; +} + +class T2ThreeReg<dag oops, dag iops, InstrItinClass itin, + string opc, string asm, list<dag> pattern> + : T2sI<oops, iops, itin, opc, asm, pattern> { + bits<4> Rd; + bits<4> Rn; + bits<4> Rm; + + let Inst{11-8} = Rd{3-0}; + let Inst{19-16} = Rn{3-0}; + let Inst{3-0} = Rm{3-0}; +} + +class T2TwoRegShiftedReg<dag oops, dag iops, InstrItinClass itin, + string opc, string asm, list<dag> pattern> + : T2sI<oops, iops, itin, opc, asm, pattern> { + bits<4> Rd; + bits<4> Rn; + bits<12> ShiftedRm; + + let Inst{11-8} = Rd{3-0}; + let Inst{19-16} = Rn{3-0}; + let Inst{3-0} = ShiftedRm{3-0}; + let Inst{5-4} = ShiftedRm{6-5}; + let Inst{14-12} = ShiftedRm{11-9}; + let Inst{7-6} = ShiftedRm{8-7}; +} + /// T2I_un_irs - Defines a set of (op reg, {so_imm|r|so_reg}) patterns for a /// unary operation that produces a value. These are predicable and can be /// changed to modify CPSR. @@ -399,9 +443,9 @@ let Uses = [CPSR] in { multiclass T2I_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode, bit Commutable = 0> { // shifted imm - def ri : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, t2_so_imm:$rhs), IIC_iALUi, - opc, "\t$dst, $lhs, $rhs", - [(set rGPR:$dst, (opnode rGPR:$lhs, t2_so_imm:$rhs))]>, + def ri : T2TwoRegShiftedImm<(outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm), + IIC_iALUi, opc, "\t$Rd, $Rn, $imm", + [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_imm:$imm))]>, Requires<[IsThumb2]> { let Inst{31-27} = 0b11110; let Inst{25} = 0; @@ -410,9 +454,9 @@ multiclass T2I_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode, let Inst{15} = 0; } // register - def rr : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, rGPR:$rhs), IIC_iALUr, - opc, ".w\t$dst, $lhs, $rhs", - [(set rGPR:$dst, (opnode rGPR:$lhs, rGPR:$rhs))]>, + def rr : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iALUr, + opc, ".w\t$Rd, $Rn, $Rm", + [(set rGPR:$Rd, (opnode rGPR:$Rn, rGPR:$Rm))]>, Requires<[IsThumb2]> { let isCommutable = Commutable; let Inst{31-27} = 0b11101; @@ -424,9 +468,10 @@ multiclass T2I_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode, let Inst{5-4} = 0b00; // type } // shifted register - def rs : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, t2_so_reg:$rhs), IIC_iALUsi, - opc, ".w\t$dst, $lhs, $rhs", - [(set rGPR:$dst, (opnode rGPR:$lhs, t2_so_reg:$rhs))]>, + def rs : T2TwoRegShiftedReg< + (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_reg:$ShiftedRm), + IIC_iALUsi, opc, ".w\t$Rd, $Rn, $ShiftedRm", + [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_reg:$ShiftedRm))]>, Requires<[IsThumb2]> { let Inst{31-27} = 0b11101; let Inst{26-25} = 0b01; @@ -440,9 +485,10 @@ let Defs = [CPSR] in { multiclass T2I_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode, bit Commutable = 0> { // shifted imm - def ri : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, t2_so_imm:$rhs), IIC_iALUi, - opc, "\t$dst, $lhs, $rhs", - [(set rGPR:$dst, (opnode rGPR:$lhs, t2_so_imm:$rhs))]>, + def ri : T2TwoRegShiftedImm< + (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm), IIC_iALUi, + opc, "\t$Rd, $Rn, $imm", + [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_imm:$imm))]>, Requires<[IsThumb2]> { let Inst{31-27} = 0b11110; let Inst{25} = 0; @@ -451,9 +497,9 @@ multiclass T2I_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode, let Inst{15} = 0; } // register - def rr : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, rGPR:$rhs), IIC_iALUr, - opc, ".w\t$dst, $lhs, $rhs", - [(set rGPR:$dst, (opnode rGPR:$lhs, rGPR:$rhs))]>, + def rr : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iALUr, + opc, ".w\t$Rd, $Rn, $Rm", + [(set rGPR:$Rd, (opnode rGPR:$Rn, rGPR:$Rm))]>, Requires<[IsThumb2]> { let isCommutable = Commutable; let Inst{31-27} = 0b11101; @@ -465,9 +511,10 @@ multiclass T2I_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode, let Inst{5-4} = 0b00; // type } // shifted register - def rs : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, t2_so_reg:$rhs), IIC_iALUsi, - opc, ".w\t$dst, $lhs, $rhs", - [(set rGPR:$dst, (opnode rGPR:$lhs, t2_so_reg:$rhs))]>, + def rs : T2TwoRegShiftedReg< + (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_reg:$ShiftedRm), + IIC_iALUsi, opc, ".w\t$Rd, $Rn, $ShiftedRm", + [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_reg:$ShiftedRm))]>, Requires<[IsThumb2]> { let Inst{31-27} = 0b11101; let Inst{26-25} = 0b01; |

