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author | Owen Anderson <resistor@mac.com> | 2010-11-14 05:37:38 +0000 |
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committer | Owen Anderson <resistor@mac.com> | 2010-11-14 05:37:38 +0000 |
commit | 83da6cd5e2d84a7d247f7f8af745763f550c1af5 (patch) | |
tree | f8220eacf8c98201cd30f4fb8175bbe349f892a6 /lib | |
parent | 1f4f9e3d35a2264d86f97dfb6d1e4ccb434f449b (diff) | |
download | external_llvm-83da6cd5e2d84a7d247f7f8af745763f550c1af5.zip external_llvm-83da6cd5e2d84a7d247f7f8af745763f550c1af5.tar.gz external_llvm-83da6cd5e2d84a7d247f7f8af745763f550c1af5.tar.bz2 |
Second attempt at providing correct encodings for Thumb2 binary operators.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119029 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 156 |
1 files changed, 105 insertions, 51 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 62229c3..ad017a7 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -170,7 +170,21 @@ def t2addrmode_so_reg : Operand<i32>, // Multiclass helpers... // -class T2TwoRegShiftedImm<dag oops, dag iops, InstrItinClass itin, +class T2TwoRegImm<dag oops, dag iops, InstrItinClass itin, + string opc, string asm, list<dag> pattern> + : T2I<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 T2sTwoRegImm<dag oops, dag iops, InstrItinClass itin, string opc, string asm, list<dag> pattern> : T2sI<oops, iops, itin, opc, asm, pattern> { bits<4> Rd; @@ -186,6 +200,18 @@ class T2TwoRegShiftedImm<dag oops, dag iops, InstrItinClass itin, class T2ThreeReg<dag oops, dag iops, InstrItinClass itin, string opc, string asm, list<dag> pattern> + : T2I<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 T2sThreeReg<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; @@ -198,6 +224,21 @@ class T2ThreeReg<dag oops, dag iops, InstrItinClass itin, class T2TwoRegShiftedReg<dag oops, dag iops, InstrItinClass itin, string opc, string asm, list<dag> pattern> + : T2I<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}; +} + +class T2sTwoRegShiftedReg<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; @@ -262,9 +303,10 @@ multiclass T2I_bin_irs<bits<4> opcod, string opc, InstrItinClass iii, InstrItinClass iir, InstrItinClass iis, PatFrag opnode, bit Commutable = 0, string wide = ""> { // shifted imm - def ri : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, t2_so_imm:$rhs), iii, - opc, "\t$dst, $lhs, $rhs", - [(set rGPR:$dst, (opnode rGPR:$lhs, t2_so_imm:$rhs))]> { + def ri : T2sTwoRegImm< + (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm), iii, + opc, "\t$Rd, $Rn, $imm", + [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_imm:$imm))]> { let Inst{31-27} = 0b11110; let Inst{25} = 0; let Inst{24-21} = opcod; @@ -272,9 +314,9 @@ multiclass T2I_bin_irs<bits<4> opcod, string opc, let Inst{15} = 0; } // register - def rr : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, rGPR:$rhs), iir, - opc, !strconcat(wide, "\t$dst, $lhs, $rhs"), - [(set rGPR:$dst, (opnode rGPR:$lhs, rGPR:$rhs))]> { + def rr : T2sThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), iir, + opc, !strconcat(wide, "\t$Rd, $Rn, $Rm"), + [(set rGPR:$Rd, (opnode rGPR:$Rn, rGPR:$Rm))]> { let isCommutable = Commutable; let Inst{31-27} = 0b11101; let Inst{26-25} = 0b01; @@ -285,9 +327,10 @@ multiclass T2I_bin_irs<bits<4> opcod, string opc, let Inst{5-4} = 0b00; // type } // shifted register - def rs : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, t2_so_reg:$rhs), iis, - opc, !strconcat(wide, "\t$dst, $lhs, $rhs"), - [(set rGPR:$dst, (opnode rGPR:$lhs, t2_so_reg:$rhs))]> { + def rs : T2sTwoRegShiftedReg< + (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_reg:$ShiftedRm), iis, + opc, !strconcat(wide, "\t$Rd, $Rn, $ShiftedRm"), + [(set rGPR:$Rd, (opnode rGPR:$Rn, t2_so_reg:$ShiftedRm))]> { let Inst{31-27} = 0b11101; let Inst{26-25} = 0b01; let Inst{24-21} = opcod; @@ -307,9 +350,10 @@ multiclass T2I_bin_w_irs<bits<4> opcod, string opc, /// it is equivalent to the T2I_bin_irs counterpart. multiclass T2I_rbin_irs<bits<4> opcod, string opc, PatFrag opnode> { // shifted imm - def ri : T2sI<(outs rGPR:$dst), (ins rGPR:$rhs, t2_so_imm:$lhs), IIC_iALUi, - opc, ".w\t$dst, $rhs, $lhs", - [(set rGPR:$dst, (opnode t2_so_imm:$lhs, rGPR:$rhs))]> { + def ri : T2sTwoRegImm< + (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm), IIC_iALUi, + opc, ".w\t$Rd, $Rn, $imm", + [(set rGPR:$Rd, (opnode t2_so_imm:$imm, rGPR:$Rn))]> { let Inst{31-27} = 0b11110; let Inst{25} = 0; let Inst{24-21} = opcod; @@ -317,8 +361,9 @@ multiclass T2I_rbin_irs<bits<4> opcod, string opc, PatFrag opnode> { let Inst{15} = 0; } // register - def rr : T2sI<(outs rGPR:$dst), (ins rGPR:$rhs, rGPR:$lhs), IIC_iALUr, - opc, "\t$dst, $rhs, $lhs", + def rr : T2sThreeReg< + (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iALUr, + opc, "\t$Rd, $Rn, $Rm", [/* For disassembly only; pattern left blank */]> { let Inst{31-27} = 0b11101; let Inst{26-25} = 0b01; @@ -329,9 +374,10 @@ multiclass T2I_rbin_irs<bits<4> opcod, string opc, PatFrag opnode> { let Inst{5-4} = 0b00; // type } // shifted register - def rs : T2sI<(outs rGPR:$dst), (ins rGPR:$rhs, t2_so_reg:$lhs), IIC_iALUsir, - opc, "\t$dst, $rhs, $lhs", - [(set rGPR:$dst, (opnode t2_so_reg:$lhs, rGPR:$rhs))]> { + def rs : T2sTwoRegShiftedReg< + (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_reg:$ShiftedRm), + IIC_iALUsir, opc, "\t$Rd, $Rn, $ShiftedRm", + [(set rGPR:$Rd, (opnode t2_so_reg:$ShiftedRm, rGPR:$Rn))]> { let Inst{31-27} = 0b11101; let Inst{26-25} = 0b01; let Inst{24-21} = opcod; @@ -346,9 +392,10 @@ multiclass T2I_bin_s_irs<bits<4> opcod, string opc, InstrItinClass iii, InstrItinClass iir, InstrItinClass iis, PatFrag opnode, bit Commutable = 0> { // shifted imm - def ri : T2I<(outs rGPR:$dst), (ins GPR:$lhs, t2_so_imm:$rhs), iii, - !strconcat(opc, "s"), ".w\t$dst, $lhs, $rhs", - [(set rGPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]> { + def ri : T2TwoRegImm< + (outs rGPR:$Rd), (ins GPR:$Rn, t2_so_imm:$imm), iii, + !strconcat(opc, "s"), ".w\t$Rd, $Rn, $imm", + [(set rGPR:$Rd, (opnode GPR:$Rn, t2_so_imm:$imm))]> { let Inst{31-27} = 0b11110; let Inst{25} = 0; let Inst{24-21} = opcod; @@ -356,9 +403,10 @@ multiclass T2I_bin_s_irs<bits<4> opcod, string opc, let Inst{15} = 0; } // register - def rr : T2I<(outs rGPR:$dst), (ins GPR:$lhs, rGPR:$rhs), iir, - !strconcat(opc, "s"), ".w\t$dst, $lhs, $rhs", - [(set rGPR:$dst, (opnode GPR:$lhs, rGPR:$rhs))]> { + def rr : T2ThreeReg< + (outs rGPR:$Rd), (ins GPR:$Rn, rGPR:$Rm), iir, + !strconcat(opc, "s"), ".w\t$Rd, $Rn, $Rm", + [(set rGPR:$Rd, (opnode GPR:$Rn, rGPR:$Rm))]> { let isCommutable = Commutable; let Inst{31-27} = 0b11101; let Inst{26-25} = 0b01; @@ -369,9 +417,10 @@ multiclass T2I_bin_s_irs<bits<4> opcod, string opc, let Inst{5-4} = 0b00; // type } // shifted register - def rs : T2I<(outs rGPR:$dst), (ins GPR:$lhs, t2_so_reg:$rhs), iis, - !strconcat(opc, "s"), ".w\t$dst, $lhs, $rhs", - [(set rGPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]> { + def rs : T2TwoRegShiftedReg< + (outs rGPR:$Rd), (ins GPR:$Rn, t2_so_reg:$ShiftedRm), iis, + !strconcat(opc, "s"), ".w\t$Rd, $Rn, $ShiftedRm", + [(set rGPR:$Rd, (opnode GPR:$Rn, t2_so_reg:$ShiftedRm))]> { let Inst{31-27} = 0b11101; let Inst{26-25} = 0b01; let Inst{24-21} = opcod; @@ -388,9 +437,10 @@ multiclass T2I_bin_ii12rs<bits<3> op23_21, string opc, PatFrag opnode, // The register-immediate version is re-materializable. This is useful // in particular for taking the address of a local. let isReMaterializable = 1 in { - def ri : T2sI<(outs rGPR:$dst), (ins GPR:$lhs, t2_so_imm:$rhs), IIC_iALUi, - opc, ".w\t$dst, $lhs, $rhs", - [(set rGPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]> { + def ri : T2sTwoRegImm< + (outs rGPR:$Rd), (ins GPR:$Rn, t2_so_imm:$imm), IIC_iALUi, + opc, ".w\t$Rd, $Rn, $imm", + [(set rGPR:$Rd, (opnode GPR:$Rn, t2_so_imm:$imm))]> { let Inst{31-27} = 0b11110; let Inst{25} = 0; let Inst{24} = 1; @@ -400,9 +450,10 @@ multiclass T2I_bin_ii12rs<bits<3> op23_21, string opc, PatFrag opnode, } } // 12-bit imm - def ri12 : T2I<(outs rGPR:$dst), (ins GPR:$lhs, imm0_4095:$rhs), IIC_iALUi, - !strconcat(opc, "w"), "\t$dst, $lhs, $rhs", - [(set rGPR:$dst, (opnode GPR:$lhs, imm0_4095:$rhs))]> { + def ri12 : T2TwoRegImm< + (outs rGPR:$Rd), (ins GPR:$Rn, imm0_4095:$imm), IIC_iALUi, + !strconcat(opc, "w"), "\t$Rd, $Rn, $imm", + [(set rGPR:$Rd, (opnode GPR:$Rn, imm0_4095:$imm))]> { let Inst{31-27} = 0b11110; let Inst{25} = 1; let Inst{24} = 0; @@ -411,9 +462,9 @@ multiclass T2I_bin_ii12rs<bits<3> op23_21, string opc, PatFrag opnode, let Inst{15} = 0; } // register - def rr : T2sI<(outs rGPR:$dst), (ins GPR:$lhs, rGPR:$rhs), IIC_iALUr, - opc, ".w\t$dst, $lhs, $rhs", - [(set rGPR:$dst, (opnode GPR:$lhs, rGPR:$rhs))]> { + def rr : T2sThreeReg<(outs rGPR:$Rd), (ins GPR:$Rn, rGPR:$Rm), IIC_iALUr, + opc, ".w\t$Rd, $Rn, $Rm", + [(set rGPR:$Rd, (opnode GPR:$Rn, rGPR:$Rm))]> { let isCommutable = Commutable; let Inst{31-27} = 0b11101; let Inst{26-25} = 0b01; @@ -425,9 +476,10 @@ multiclass T2I_bin_ii12rs<bits<3> op23_21, string opc, PatFrag opnode, let Inst{5-4} = 0b00; // type } // shifted register - def rs : T2sI<(outs rGPR:$dst), (ins GPR:$lhs, t2_so_reg:$rhs), IIC_iALUsi, - opc, ".w\t$dst, $lhs, $rhs", - [(set rGPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]> { + def rs : T2sTwoRegShiftedReg< + (outs rGPR:$Rd), (ins GPR:$Rn, t2_so_reg:$ShiftedRm), + IIC_iALUsi, opc, ".w\t$Rd, $Rn, $ShiftedRm", + [(set rGPR:$Rd, (opnode GPR:$Rn, t2_so_reg:$ShiftedRm))]> { let Inst{31-27} = 0b11101; let Inst{26-25} = 0b01; let Inst{24} = 1; @@ -443,7 +495,7 @@ let Uses = [CPSR] in { multiclass T2I_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode, bit Commutable = 0> { // shifted imm - def ri : T2TwoRegShiftedImm<(outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm), + def ri : T2sTwoRegImm<(outs rGPR:$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]> { @@ -454,7 +506,7 @@ multiclass T2I_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode, let Inst{15} = 0; } // register - def rr : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iALUr, + def rr : T2sThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iALUr, opc, ".w\t$Rd, $Rn, $Rm", [(set rGPR:$Rd, (opnode rGPR:$Rn, rGPR:$Rm))]>, Requires<[IsThumb2]> { @@ -468,7 +520,7 @@ multiclass T2I_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode, let Inst{5-4} = 0b00; // type } // shifted register - def rs : T2TwoRegShiftedReg< + def rs : T2sTwoRegShiftedReg< (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))]>, @@ -485,7 +537,7 @@ let Defs = [CPSR] in { multiclass T2I_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode, bit Commutable = 0> { // shifted imm - def ri : T2TwoRegShiftedImm< + def ri : T2sTwoRegImm< (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))]>, @@ -497,7 +549,7 @@ multiclass T2I_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode, let Inst{15} = 0; } // register - def rr : T2ThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iALUr, + def rr : T2sThreeReg<(outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iALUr, opc, ".w\t$Rd, $Rn, $Rm", [(set rGPR:$Rd, (opnode rGPR:$Rn, rGPR:$Rm))]>, Requires<[IsThumb2]> { @@ -511,7 +563,7 @@ multiclass T2I_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode, let Inst{5-4} = 0b00; // type } // shifted register - def rs : T2TwoRegShiftedReg< + def rs : T2sTwoRegShiftedReg< (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))]>, @@ -530,9 +582,10 @@ multiclass T2I_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode, let Defs = [CPSR] in { multiclass T2I_rbin_s_is<bits<4> opcod, string opc, PatFrag opnode> { // shifted imm - def ri : T2I<(outs rGPR:$dst), (ins rGPR:$rhs, t2_so_imm:$lhs), IIC_iALUi, - !strconcat(opc, "s"), ".w\t$dst, $rhs, $lhs", - [(set rGPR:$dst, (opnode t2_so_imm:$lhs, rGPR:$rhs))]> { + def ri : T2TwoRegImm< + (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_imm:$imm), IIC_iALUi, + !strconcat(opc, "s"), ".w\t$Rd, $Rn, $imm", + [(set rGPR:$Rd, (opnode t2_so_imm:$imm, rGPR:$Rn))]> { let Inst{31-27} = 0b11110; let Inst{25} = 0; let Inst{24-21} = opcod; @@ -540,9 +593,10 @@ multiclass T2I_rbin_s_is<bits<4> opcod, string opc, PatFrag opnode> { let Inst{15} = 0; } // shifted register - def rs : T2I<(outs rGPR:$dst), (ins rGPR:$rhs, t2_so_reg:$lhs), IIC_iALUsi, - !strconcat(opc, "s"), "\t$dst, $rhs, $lhs", - [(set rGPR:$dst, (opnode t2_so_reg:$lhs, rGPR:$rhs))]> { + def rs : T2TwoRegShiftedReg< + (outs rGPR:$Rd), (ins rGPR:$Rn, t2_so_reg:$ShiftedRm), + IIC_iALUsi, !strconcat(opc, "s"), "\t$Rd, $Rn, $ShiftedRm", + [(set rGPR:$Rd, (opnode t2_so_reg:$ShiftedRm, rGPR:$Rn))]> { let Inst{31-27} = 0b11101; let Inst{26-25} = 0b01; let Inst{24-21} = opcod; |