diff options
Diffstat (limited to 'lib/Target/ARM/ARMInstrThumb2.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 1147 |
1 files changed, 918 insertions, 229 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 949ce73..2e09cbb 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -165,234 +165,465 @@ def t2addrmode_so_reg : Operand<i32>, /// 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. -multiclass T2I_un_irs<string opc, PatFrag opnode, bit Cheap = 0, bit ReMat = 0>{ +multiclass T2I_un_irs<bits<4> opcod, string opc, PatFrag opnode, + bit Cheap = 0, bit ReMat = 0> { // shifted imm def i : T2sI<(outs GPR:$dst), (ins t2_so_imm:$src), IIC_iMOVi, opc, "\t$dst, $src", [(set GPR:$dst, (opnode t2_so_imm:$src))]> { let isAsCheapAsAMove = Cheap; let isReMaterializable = ReMat; + let Inst{31-27} = 0b11110; + let Inst{25} = 0; + let Inst{24-21} = opcod; + let Inst{20} = ?; // The S bit. + let Inst{19-16} = 0b1111; // Rn + let Inst{15} = 0; } // register def r : T2I<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVr, opc, ".w\t$dst, $src", - [(set GPR:$dst, (opnode GPR:$src))]>; + [(set GPR:$dst, (opnode GPR:$src))]> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = opcod; + let Inst{20} = ?; // The S bit. + let Inst{19-16} = 0b1111; // Rn + let Inst{14-12} = 0b000; // imm3 + let Inst{7-6} = 0b00; // imm2 + let Inst{5-4} = 0b00; // type + } // shifted register def s : T2I<(outs GPR:$dst), (ins t2_so_reg:$src), IIC_iMOVsi, opc, ".w\t$dst, $src", - [(set GPR:$dst, (opnode t2_so_reg:$src))]>; + [(set GPR:$dst, (opnode t2_so_reg:$src))]> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = opcod; + let Inst{20} = ?; // The S bit. + let Inst{19-16} = 0b1111; // Rn + } } /// T2I_bin_irs - Defines a set of (op reg, {so_imm|r|so_reg}) patterns for a // binary operation that produces a value. These are predicable and can be /// changed to modify CPSR. -multiclass T2I_bin_irs<string opc, PatFrag opnode, +multiclass T2I_bin_irs<bits<4> opcod, string opc, PatFrag opnode, bit Commutable = 0, string wide =""> { // shifted imm def ri : T2sI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_imm:$rhs), IIC_iALUi, opc, "\t$dst, $lhs, $rhs", - [(set GPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]>; + [(set GPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]> { + let Inst{31-27} = 0b11110; + let Inst{25} = 0; + let Inst{24-21} = opcod; + let Inst{20} = ?; // The S bit. + let Inst{15} = 0; + } // register def rr : T2sI<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr, opc, !strconcat(wide, "\t$dst, $lhs, $rhs"), [(set GPR:$dst, (opnode GPR:$lhs, GPR:$rhs))]> { let isCommutable = Commutable; + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = opcod; + let Inst{20} = ?; // The S bit. + let Inst{14-12} = 0b000; // imm3 + let Inst{7-6} = 0b00; // imm2 + let Inst{5-4} = 0b00; // type } // shifted register def rs : T2sI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_reg:$rhs), IIC_iALUsi, opc, !strconcat(wide, "\t$dst, $lhs, $rhs"), - [(set GPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]>; + [(set GPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = opcod; + let Inst{20} = ?; // The S bit. + } } /// T2I_bin_w_irs - Same as T2I_bin_irs except these operations need // the ".w" prefix to indicate that they are wide. -multiclass T2I_bin_w_irs<string opc, PatFrag opnode, bit Commutable = 0> : - T2I_bin_irs<opc, opnode, Commutable, ".w">; +multiclass T2I_bin_w_irs<bits<4> opcod, string opc, PatFrag opnode, + bit Commutable = 0> : + T2I_bin_irs<opcod, opc, opnode, Commutable, ".w">; /// T2I_rbin_is - Same as T2I_bin_irs except the order of operands are /// reversed. It doesn't define the 'rr' form since it's handled by its /// T2I_bin_irs counterpart. -multiclass T2I_rbin_is<string opc, PatFrag opnode> { +multiclass T2I_rbin_is<bits<4> opcod, string opc, PatFrag opnode> { // shifted imm def ri : T2I<(outs GPR:$dst), (ins GPR:$rhs, t2_so_imm:$lhs), IIC_iALUi, opc, ".w\t$dst, $rhs, $lhs", - [(set GPR:$dst, (opnode t2_so_imm:$lhs, GPR:$rhs))]>; + [(set GPR:$dst, (opnode t2_so_imm:$lhs, GPR:$rhs))]> { + let Inst{31-27} = 0b11110; + let Inst{25} = 0; + let Inst{24-21} = opcod; + let Inst{20} = 0; // The S bit. + let Inst{15} = 0; + } // shifted register def rs : T2I<(outs GPR:$dst), (ins GPR:$rhs, t2_so_reg:$lhs), IIC_iALUsi, opc, "\t$dst, $rhs, $lhs", - [(set GPR:$dst, (opnode t2_so_reg:$lhs, GPR:$rhs))]>; + [(set GPR:$dst, (opnode t2_so_reg:$lhs, GPR:$rhs))]> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = opcod; + let Inst{20} = 0; // The S bit. + } } /// T2I_bin_s_irs - Similar to T2I_bin_irs except it sets the 's' bit so the /// instruction modifies the CPSR register. let Defs = [CPSR] in { -multiclass T2I_bin_s_irs<string opc, PatFrag opnode, bit Commutable = 0> { +multiclass T2I_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode, + bit Commutable = 0> { // shifted imm def ri : T2I<(outs GPR:$dst), (ins GPR:$lhs, t2_so_imm:$rhs), IIC_iALUi, !strconcat(opc, "s"), ".w\t$dst, $lhs, $rhs", - [(set GPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]>; + [(set GPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]> { + let Inst{31-27} = 0b11110; + let Inst{25} = 0; + let Inst{24-21} = opcod; + let Inst{20} = 1; // The S bit. + let Inst{15} = 0; + } // register def rr : T2I<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr, !strconcat(opc, "s"), ".w\t$dst, $lhs, $rhs", [(set GPR:$dst, (opnode GPR:$lhs, GPR:$rhs))]> { let isCommutable = Commutable; + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = opcod; + let Inst{20} = 1; // The S bit. + let Inst{14-12} = 0b000; // imm3 + let Inst{7-6} = 0b00; // imm2 + let Inst{5-4} = 0b00; // type } // shifted register def rs : T2I<(outs GPR:$dst), (ins GPR:$lhs, t2_so_reg:$rhs), IIC_iALUsi, !strconcat(opc, "s"), ".w\t$dst, $lhs, $rhs", - [(set GPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]>; + [(set GPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = opcod; + let Inst{20} = 1; // The S bit. + } } } /// T2I_bin_ii12rs - Defines a set of (op reg, {so_imm|imm0_4095|r|so_reg}) /// patterns for a binary operation that produces a value. -multiclass T2I_bin_ii12rs<string opc, PatFrag opnode, bit Commutable = 0> { +multiclass T2I_bin_ii12rs<bits<3> op23_21, string opc, PatFrag opnode, + bit Commutable = 0> { // shifted imm def ri : T2sI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_imm:$rhs), IIC_iALUi, opc, ".w\t$dst, $lhs, $rhs", - [(set GPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]>; + [(set GPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]> { + let Inst{31-27} = 0b11110; + let Inst{25} = 0; + let Inst{24} = 1; + let Inst{23-21} = op23_21; + let Inst{20} = 0; // The S bit. + let Inst{15} = 0; + } // 12-bit imm def ri12 : T2sI<(outs GPR:$dst), (ins GPR:$lhs, imm0_4095:$rhs), IIC_iALUi, !strconcat(opc, "w"), "\t$dst, $lhs, $rhs", - [(set GPR:$dst, (opnode GPR:$lhs, imm0_4095:$rhs))]>; + [(set GPR:$dst, (opnode GPR:$lhs, imm0_4095:$rhs))]> { + let Inst{31-27} = 0b11110; + let Inst{25} = 1; + let Inst{24} = 0; + let Inst{23-21} = op23_21; + let Inst{20} = 0; // The S bit. + let Inst{15} = 0; + } // register def rr : T2sI<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr, opc, ".w\t$dst, $lhs, $rhs", [(set GPR:$dst, (opnode GPR:$lhs, GPR:$rhs))]> { let isCommutable = Commutable; + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24} = 1; + let Inst{23-21} = op23_21; + let Inst{20} = 0; // The S bit. + let Inst{14-12} = 0b000; // imm3 + let Inst{7-6} = 0b00; // imm2 + let Inst{5-4} = 0b00; // type } // shifted register def rs : T2sI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_reg:$rhs), IIC_iALUsi, opc, ".w\t$dst, $lhs, $rhs", - [(set GPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]>; + [(set GPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]> { + let Inst{31-27} = 0b11101; + let Inst{24} = 1; + let Inst{26-25} = 0b01; + let Inst{23-21} = op23_21; + let Inst{20} = 0; // The S bit. + } } /// T2I_adde_sube_irs - Defines a set of (op reg, {so_imm|r|so_reg}) patterns /// for a binary operation that produces a value and use and define the carry /// bit. It's not predicable. let Uses = [CPSR] in { -multiclass T2I_adde_sube_irs<string opc, PatFrag opnode, bit Commutable = 0> { +multiclass T2I_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode, bit Commutable = 0> { // shifted imm def ri : T2sI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_imm:$rhs), IIC_iALUi, opc, "\t$dst, $lhs, $rhs", [(set GPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]>, - Requires<[IsThumb2, CarryDefIsUnused]>; + Requires<[IsThumb2, CarryDefIsUnused]> { + let Inst{31-27} = 0b11110; + let Inst{25} = 0; + let Inst{24-21} = opcod; + let Inst{20} = 0; // The S bit. + let Inst{15} = 0; + } // register def rr : T2sI<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr, opc, ".w\t$dst, $lhs, $rhs", [(set GPR:$dst, (opnode GPR:$lhs, GPR:$rhs))]>, Requires<[IsThumb2, CarryDefIsUnused]> { let isCommutable = Commutable; + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = opcod; + let Inst{20} = 0; // The S bit. + let Inst{14-12} = 0b000; // imm3 + let Inst{7-6} = 0b00; // imm2 + let Inst{5-4} = 0b00; // type } // shifted register def rs : T2sI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_reg:$rhs), IIC_iALUsi, opc, ".w\t$dst, $lhs, $rhs", [(set GPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]>, - Requires<[IsThumb2, CarryDefIsUnused]>; + Requires<[IsThumb2, CarryDefIsUnused]> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = opcod; + let Inst{20} = 0; // The S bit. + } // Carry setting variants // shifted imm def Sri : T2XI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_imm:$rhs), IIC_iALUi, !strconcat(opc, "s\t$dst, $lhs, $rhs"), [(set GPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]>, Requires<[IsThumb2, CarryDefIsUsed]> { - let Defs = [CPSR]; - } + let Defs = [CPSR]; + let Inst{31-27} = 0b11110; + let Inst{25} = 0; + let Inst{24-21} = opcod; + let Inst{20} = 1; // The S bit. + let Inst{15} = 0; + } // register def Srr : T2XI<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr, !strconcat(opc, "s.w\t$dst, $lhs, $rhs"), [(set GPR:$dst, (opnode GPR:$lhs, GPR:$rhs))]>, Requires<[IsThumb2, CarryDefIsUsed]> { - let Defs = [CPSR]; - let isCommutable = Commutable; + let Defs = [CPSR]; + let isCommutable = Commutable; + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = opcod; + let Inst{20} = 1; // The S bit. + let Inst{14-12} = 0b000; // imm3 + let Inst{7-6} = 0b00; // imm2 + let Inst{5-4} = 0b00; // type } // shifted register def Srs : T2XI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_reg:$rhs), IIC_iALUsi, !strconcat(opc, "s.w\t$dst, $lhs, $rhs"), [(set GPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]>, Requires<[IsThumb2, CarryDefIsUsed]> { - let Defs = [CPSR]; + let Defs = [CPSR]; + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = opcod; + let Inst{20} = 1; // The S bit. } } } /// T2I_rbin_s_is - Same as T2I_rbin_is except sets 's' bit. let Defs = [CPSR] in { -multiclass T2I_rbin_s_is<string opc, PatFrag opnode> { +multiclass T2I_rbin_s_is<bits<4> opcod, string opc, PatFrag opnode> { // shifted imm def ri : T2XI<(outs GPR:$dst), (ins GPR:$rhs, t2_so_imm:$lhs, cc_out:$s), IIC_iALUi, !strconcat(opc, "${s}.w\t$dst, $rhs, $lhs"), - [(set GPR:$dst, (opnode t2_so_imm:$lhs, GPR:$rhs))]>; + [(set GPR:$dst, (opnode t2_so_imm:$lhs, GPR:$rhs))]> { + let Inst{31-27} = 0b11110; + let Inst{25} = 0; + let Inst{24-21} = opcod; + let Inst{20} = 1; // The S bit. + let Inst{15} = 0; + } // shifted register def rs : T2XI<(outs GPR:$dst), (ins GPR:$rhs, t2_so_reg:$lhs, cc_out:$s), IIC_iALUsi, !strconcat(opc, "${s}\t$dst, $rhs, $lhs"), - [(set GPR:$dst, (opnode t2_so_reg:$lhs, GPR:$rhs))]>; + [(set GPR:$dst, (opnode t2_so_reg:$lhs, GPR:$rhs))]> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = opcod; + let Inst{20} = 1; // The S bit. + } } } /// T2I_sh_ir - Defines a set of (op reg, {so_imm|r}) patterns for a shift / // rotate operation that produces a value. -multiclass T2I_sh_ir<string opc, PatFrag opnode> { +multiclass T2I_sh_ir<bits<2> opcod, string opc, PatFrag opnode> { // 5-bit imm def ri : T2sI<(outs GPR:$dst), (ins GPR:$lhs, i32imm:$rhs), IIC_iMOVsi, opc, ".w\t$dst, $lhs, $rhs", - [(set GPR:$dst, (opnode GPR:$lhs, imm1_31:$rhs))]>; + [(set GPR:$dst, (opnode GPR:$lhs, imm1_31:$rhs))]> { + let Inst{31-27} = 0b11101; + let Inst{26-21} = 0b010010; + let Inst{19-16} = 0b1111; // Rn + let Inst{5-4} = opcod; + } // register def rr : T2sI<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iMOVsr, opc, ".w\t$dst, $lhs, $rhs", - [(set GPR:$dst, (opnode GPR:$lhs, GPR:$rhs))]>; + [(set GPR:$dst, (opnode GPR:$lhs, GPR:$rhs))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0100; + let Inst{22-21} = opcod; + let Inst{15-12} = 0b1111; + let Inst{7-4} = 0b0000; + } } -/// T2I_cmp_is - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test +/// T2I_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test /// patterns. Similar to T2I_bin_irs except the instruction does not produce /// a explicit result, only implicitly set CPSR. let Defs = [CPSR] in { -multiclass T2I_cmp_is<string opc, PatFrag opnode> { +multiclass T2I_cmp_irs<bits<4> opcod, string opc, PatFrag opnode> { // shifted imm def ri : T2I<(outs), (ins GPR:$lhs, t2_so_imm:$rhs), IIC_iCMPi, opc, ".w\t$lhs, $rhs", - [(opnode GPR:$lhs, t2_so_imm:$rhs)]>; + [(opnode GPR:$lhs, t2_so_imm:$rhs)]> { + let Inst{31-27} = 0b11110; + let Inst{25} = 0; + let Inst{24-21} = opcod; + let Inst{20} = 1; // The S bit. + let Inst{15} = 0; + let Inst{11-8} = 0b1111; // Rd + } // register def rr : T2I<(outs), (ins GPR:$lhs, GPR:$rhs), IIC_iCMPr, opc, ".w\t$lhs, $rhs", - [(opnode GPR:$lhs, GPR:$rhs)]>; + [(opnode GPR:$lhs, GPR:$rhs)]> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = opcod; + let Inst{20} = 1; // The S bit. + let Inst{14-12} = 0b000; // imm3 + let Inst{11-8} = 0b1111; // Rd + let Inst{7-6} = 0b00; // imm2 + let Inst{5-4} = 0b00; // type + } // shifted register def rs : T2I<(outs), (ins GPR:$lhs, t2_so_reg:$rhs), IIC_iCMPsi, opc, ".w\t$lhs, $rhs", - [(opnode GPR:$lhs, t2_so_reg:$rhs)]>; + [(opnode GPR:$lhs, t2_so_reg:$rhs)]> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = opcod; + let Inst{20} = 1; // The S bit. + let Inst{11-8} = 0b1111; // Rd + } } } /// T2I_ld - Defines a set of (op r, {imm12|imm8|so_reg}) load patterns. -multiclass T2I_ld<string opc, PatFrag opnode> { +multiclass T2I_ld<bit signed, bits<2> opcod, string opc, PatFrag opnode> { def i12 : T2Ii12<(outs GPR:$dst), (ins t2addrmode_imm12:$addr), IIC_iLoadi, opc, ".w\t$dst, $addr", - [(set GPR:$dst, (opnode t2addrmode_imm12:$addr))]>; + [(set GPR:$dst, (opnode t2addrmode_imm12:$addr))]> { + let Inst{31-27} = 0b11111; + let Inst{26-25} = 0b00; + let Inst{24} = signed; + let Inst{23} = 1; + let Inst{22-21} = opcod; + let Inst{20} = 1; // load + } def i8 : T2Ii8 <(outs GPR:$dst), (ins t2addrmode_imm8:$addr), IIC_iLoadi, opc, "\t$dst, $addr", - [(set GPR:$dst, (opnode t2addrmode_imm8:$addr))]>; + [(set GPR:$dst, (opnode t2addrmode_imm8:$addr))]> { + let Inst{31-27} = 0b11111; + let Inst{26-25} = 0b00; + let Inst{24} = signed; + let Inst{23} = 0; + let Inst{22-21} = opcod; + let Inst{20} = 1; // load + let Inst{11} = 1; + // Offset: index==TRUE, wback==FALSE + let Inst{10} = 1; // The P bit. + let Inst{8} = 0; // The W bit. + } def s : T2Iso <(outs GPR:$dst), (ins t2addrmode_so_reg:$addr), IIC_iLoadr, opc, ".w\t$dst, $addr", - [(set GPR:$dst, (opnode t2addrmode_so_reg:$addr))]>; + [(set GPR:$dst, (opnode t2addrmode_so_reg:$addr))]> { + let Inst{31-27} = 0b11111; + let Inst{26-25} = 0b00; + let Inst{24} = signed; + let Inst{23} = 0; + let Inst{22-21} = opcod; + let Inst{20} = 1; // load + let Inst{11-6} = 0b000000; + } def pci : T2Ipc <(outs GPR:$dst), (ins i32imm:$addr), IIC_iLoadi, opc, ".w\t$dst, $addr", [(set GPR:$dst, (opnode (ARMWrapper tconstpool:$addr)))]> { let isReMaterializable = 1; + let Inst{31-27} = 0b11111; + let Inst{26-25} = 0b00; + let Inst{24} = signed; + let Inst{23} = ?; // add = (U == '1') + let Inst{22-21} = opcod; + let Inst{20} = 1; // load + let Inst{19-16} = 0b1111; // Rn } } /// T2I_st - Defines a set of (op r, {imm12|imm8|so_reg}) store patterns. -multiclass T2I_st<string opc, PatFrag opnode> { +multiclass T2I_st<bits<2> opcod, string opc, PatFrag opnode> { def i12 : T2Ii12<(outs), (ins GPR:$src, t2addrmode_imm12:$addr), IIC_iStorei, opc, ".w\t$src, $addr", - [(opnode GPR:$src, t2addrmode_imm12:$addr)]>; + [(opnode GPR:$src, t2addrmode_imm12:$addr)]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0001; + let Inst{22-21} = opcod; + let Inst{20} = 0; // !load + } def i8 : T2Ii8 <(outs), (ins GPR:$src, t2addrmode_imm8:$addr), IIC_iStorei, opc, "\t$src, $addr", - [(opnode GPR:$src, t2addrmode_imm8:$addr)]>; + [(opnode GPR:$src, t2addrmode_imm8:$addr)]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0000; + let Inst{22-21} = opcod; + let Inst{20} = 0; // !load + let Inst{11} = 1; + // Offset: index==TRUE, wback==FALSE + let Inst{10} = 1; // The P bit. + let Inst{8} = 0; // The W bit. + } def s : T2Iso <(outs), (ins GPR:$src, t2addrmode_so_reg:$addr), IIC_iStorer, opc, ".w\t$src, $addr", - [(opnode GPR:$src, t2addrmode_so_reg:$addr)]>; + [(opnode GPR:$src, t2addrmode_so_reg:$addr)]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0000; + let Inst{22-21} = opcod; + let Inst{20} = 0; // !load + let Inst{11-6} = 0b000000; + } } /// T2I_picld - Defines the PIC load pattern. @@ -410,25 +641,55 @@ class T2I_picst<string opc, PatFrag opnode> : /// T2I_unary_rrot - A unary operation with two forms: one whose operand is a /// register and one whose operand is a register rotated by 8/16/24. -multiclass T2I_unary_rrot<string opc, PatFrag opnode> { +multiclass T2I_unary_rrot<bits<3> opcod, string opc, PatFrag opnode> { def r : T2I<(outs GPR:$dst), (ins GPR:$src), IIC_iUNAr, opc, ".w\t$dst, $src", - [(set GPR:$dst, (opnode GPR:$src))]>; + [(set GPR:$dst, (opnode GPR:$src))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0100; + let Inst{22-20} = opcod; + let Inst{19-16} = 0b1111; // Rn + let Inst{15-12} = 0b1111; + let Inst{7} = 1; + let Inst{5-4} = 0b00; // rotate + } def r_rot : T2I<(outs GPR:$dst), (ins GPR:$src, i32imm:$rot), IIC_iUNAsi, opc, ".w\t$dst, $src, ror $rot", - [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>; + [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0100; + let Inst{22-20} = opcod; + let Inst{19-16} = 0b1111; // Rn + let Inst{15-12} = 0b1111; + let Inst{7} = 1; + let Inst{5-4} = {?,?}; // rotate + } } /// T2I_bin_rrot - A binary operation with two forms: one whose operand is a /// register and one whose operand is a register rotated by 8/16/24. -multiclass T2I_bin_rrot<string opc, PatFrag opnode> { +multiclass T2I_bin_rrot<bits<3> opcod, string opc, PatFrag opnode> { def rr : T2I<(outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS), IIC_iALUr, opc, "\t$dst, $LHS, $RHS", - [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>; + [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0100; + let Inst{22-20} = opcod; + let Inst{15-12} = 0b1111; + let Inst{7} = 1; + let Inst{5-4} = 0b00; // rotate + } def rr_rot : T2I<(outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS, i32imm:$rot), IIC_iALUsr, opc, "\t$dst, $LHS, $RHS, ror $rot", [(set GPR:$dst, (opnode GPR:$LHS, - (rotr GPR:$RHS, rot_imm:$rot)))]>; + (rotr GPR:$RHS, rot_imm:$rot)))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0100; + let Inst{22-20} = opcod; + let Inst{15-12} = 0b1111; + let Inst{7} = 1; + let Inst{5-4} = {?,?}; // rotate + } } //===----------------------------------------------------------------------===// @@ -442,33 +703,89 @@ multiclass T2I_bin_rrot<string opc, PatFrag opnode> { // LEApcrel - Load a pc-relative address into a register without offending the // assembler. def t2LEApcrel : T2XI<(outs GPR:$dst), (ins i32imm:$label, pred:$p), IIC_iALUi, - "adr$p.w\t$dst, #$label", []>; - + "adr$p.w\t$dst, #$label", []> { + let Inst{31-27} = 0b11110; + let Inst{25-24} = 0b10; + // Inst{23:21} = '11' (add = FALSE) or '00' (add = TRUE) + let Inst{22} = 0; + let Inst{20} = 0; + let Inst{19-16} = 0b1111; // Rn + let Inst{15} = 0; +} def t2LEApcrelJT : T2XI<(outs GPR:$dst), (ins i32imm:$label, nohash_imm:$id, pred:$p), IIC_iALUi, - "adr$p.w\t$dst, #${label}_${id}", []>; + "adr$p.w\t$dst, #${label}_${id}", []> { + let Inst{31-27} = 0b11110; + let Inst{25-24} = 0b10; + // Inst{23:21} = '11' (add = FALSE) or '00' (add = TRUE) + let Inst{22} = 0; + let Inst{20} = 0; + let Inst{19-16} = 0b1111; // Rn + let Inst{15} = 0; +} // ADD r, sp, {so_imm|i12} def t2ADDrSPi : T2sI<(outs GPR:$dst), (ins GPR:$sp, t2_so_imm:$imm), - IIC_iALUi, "add", ".w\t$dst, $sp, $imm", []>; + IIC_iALUi, "add", ".w\t$dst, $sp, $imm", []> { + let Inst{31-27} = 0b11110; + let Inst{25} = 0; + let Inst{24-21} = 0b1000; + let Inst{20} = ?; // The S bit. + let Inst{19-16} = 0b1101; // Rn = sp + let Inst{15} = 0; +} def t2ADDrSPi12 : T2I<(outs GPR:$dst), (ins GPR:$sp, imm0_4095:$imm), - IIC_iALUi, "addw", "\t$dst, $sp, $imm", []>; + IIC_iALUi, "addw", "\t$dst, $sp, $imm", []> { + let Inst{31-27} = 0b11110; + let Inst{25} = 1; + let Inst{24-21} = 0b0000; + let Inst{20} = 0; // The S bit. + let Inst{19-16} = 0b1101; // Rn = sp + let Inst{15} = 0; +} // ADD r, sp, so_reg def t2ADDrSPs : T2sI<(outs GPR:$dst), (ins GPR:$sp, t2_so_reg:$rhs), - IIC_iALUsi, "add", ".w\t$dst, $sp, $rhs", []>; + IIC_iALUsi, "add", ".w\t$dst, $sp, $rhs", []> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = 0b1000; + let Inst{20} = ?; // The S bit. + let Inst{19-16} = 0b1101; // Rn = sp + let Inst{15} = 0; +} // SUB r, sp, {so_imm|i12} def t2SUBrSPi : T2sI<(outs GPR:$dst), (ins GPR:$sp, t2_so_imm:$imm), - IIC_iALUi, "sub", ".w\t$dst, $sp, $imm", []>; + IIC_iALUi, "sub", ".w\t$dst, $sp, $imm", []> { + let Inst{31-27} = 0b11110; + let Inst{25} = 0; + let Inst{24-21} = 0b1101; + let Inst{20} = ?; // The S bit. + let Inst{19-16} = 0b1101; // Rn = sp + let Inst{15} = 0; +} def t2SUBrSPi12 : T2I<(outs GPR:$dst), (ins GPR:$sp, imm0_4095:$imm), - IIC_iALUi, "subw", "\t$dst, $sp, $imm", []>; + IIC_iALUi, "subw", "\t$dst, $sp, $imm", []> { + let Inst{31-27} = 0b11110; + let Inst{25} = 1; + let Inst{24-21} = 0b0101; + let Inst{20} = 0; // The S bit. + let Inst{19-16} = 0b1101; // Rn = sp + let Inst{15} = 0; +} // SUB r, sp, so_reg def t2SUBrSPs : T2sI<(outs GPR:$dst), (ins GPR:$sp, t2_so_reg:$rhs), IIC_iALUsi, - "sub", "\t$dst, $sp, $rhs", []>; - + "sub", "\t$dst, $sp, $rhs", []> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = 0b1101; + let Inst{20} = ?; // The S bit. + let Inst{19-16} = 0b1101; // Rn = sp + let Inst{15} = 0; +} // Pseudo instruction that will expand into a t2SUBrSPi + a copy. let usesCustomInserter = 1 in { // Expanded after instruction selection. @@ -487,24 +804,26 @@ def t2SUBrSPs_ : PseudoInst<(outs GPR:$dst), (ins GPR:$sp, t2_so_reg:$rhs), // Load let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in -defm t2LDR : T2I_ld<"ldr", UnOpFrag<(load node:$Src)>>; +defm t2LDR : T2I_ld<0, 0b10, "ldr", UnOpFrag<(load node:$Src)>>; // Loads with zero extension -defm t2LDRH : T2I_ld<"ldrh", UnOpFrag<(zextloadi16 node:$Src)>>; -defm t2LDRB : T2I_ld<"ldrb", UnOpFrag<(zextloadi8 node:$Src)>>; +defm t2LDRH : T2I_ld<0, 0b01, "ldrh", UnOpFrag<(zextloadi16 node:$Src)>>; +defm t2LDRB : T2I_ld<0, 0b00, "ldrb", UnOpFrag<(zextloadi8 node:$Src)>>; // Loads with sign extension -defm t2LDRSH : T2I_ld<"ldrsh", UnOpFrag<(sextloadi16 node:$Src)>>; -defm t2LDRSB : T2I_ld<"ldrsb", UnOpFrag<(sextloadi8 node:$Src)>>; +defm t2LDRSH : T2I_ld<1, 0b01, "ldrsh", UnOpFrag<(sextloadi16 node:$Src)>>; +defm t2LDRSB : T2I_ld<1, 0b00, "ldrsb", UnOpFrag<(sextloadi8 node:$Src)>>; let mayLoad = 1, hasExtraDefRegAllocReq = 1 in { // Load doubleword -def t2LDRDi8 : T2Ii8s4<(outs GPR:$dst1, GPR:$dst2), +def t2LDRDi8 : T2Ii8s4<1, 0, 1, (outs GPR:$dst1, GPR:$dst2), (ins t2addrmode_imm8s4:$addr), IIC_iLoadi, "ldrd", "\t$dst1, $addr", []>; -def t2LDRDpci : T2Ii8s4<(outs GPR:$dst1, GPR:$dst2), +def t2LDRDpci : T2Ii8s4<?, ?, 1, (outs GPR:$dst1, GPR:$dst2), (ins i32imm:$addr), IIC_iLoadi, - "ldrd", "\t$dst1, $addr", []>; + "ldrd", "\t$dst1, $addr", []> { + let Inst{19-16} = 0b1111; // Rn +} } // zextload i1 -> zextload i8 @@ -549,57 +868,57 @@ def : T2Pat<(extloadi16 (ARMWrapper tconstpool:$addr)), // Indexed loads let mayLoad = 1 in { -def t2LDR_PRE : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb), +def t2LDR_PRE : T2Iidxldst<0, 0b10, 1, 1, (outs GPR:$dst, GPR:$base_wb), (ins t2addrmode_imm8:$addr), AddrModeT2_i8, IndexModePre, IIC_iLoadiu, "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>; -def t2LDR_POST : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb), +def t2LDR_POST : T2Iidxldst<0, 0b10, 1, 0, (outs GPR:$dst, GPR:$base_wb), (ins GPR:$base, t2am_imm8_offset:$offset), AddrModeT2_i8, IndexModePost, IIC_iLoadiu, "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>; -def t2LDRB_PRE : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb), +def t2LDRB_PRE : T2Iidxldst<0, 0b00, 1, 1, (outs GPR:$dst, GPR:$base_wb), (ins t2addrmode_imm8:$addr), AddrModeT2_i8, IndexModePre, IIC_iLoadiu, "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>; -def t2LDRB_POST : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb), +def t2LDRB_POST : T2Iidxldst<0, 0b00, 1, 0, (outs GPR:$dst, GPR:$base_wb), (ins GPR:$base, t2am_imm8_offset:$offset), AddrModeT2_i8, IndexModePost, IIC_iLoadiu, "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>; -def t2LDRH_PRE : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb), +def t2LDRH_PRE : T2Iidxldst<0, 0b01, 1, 1, (outs GPR:$dst, GPR:$base_wb), (ins t2addrmode_imm8:$addr), AddrModeT2_i8, IndexModePre, IIC_iLoadiu, "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>; -def t2LDRH_POST : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb), +def t2LDRH_POST : T2Iidxldst<0, 0b01, 1, 0, (outs GPR:$dst, GPR:$base_wb), (ins GPR:$base, t2am_imm8_offset:$offset), AddrModeT2_i8, IndexModePost, IIC_iLoadiu, "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>; -def t2LDRSB_PRE : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb), +def t2LDRSB_PRE : T2Iidxldst<1, 0b00, 1, 1, (outs GPR:$dst, GPR:$base_wb), (ins t2addrmode_imm8:$addr), AddrModeT2_i8, IndexModePre, IIC_iLoadiu, "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>; -def t2LDRSB_POST : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb), +def t2LDRSB_POST : T2Iidxldst<1, 0b00, 1, 0, (outs GPR:$dst, GPR:$base_wb), (ins GPR:$base, t2am_imm8_offset:$offset), AddrModeT2_i8, IndexModePost, IIC_iLoadiu, "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>; -def t2LDRSH_PRE : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb), +def t2LDRSH_PRE : T2Iidxldst<1, 0b01, 1, 1, (outs GPR:$dst, GPR:$base_wb), (ins t2addrmode_imm8:$addr), AddrModeT2_i8, IndexModePre, IIC_iLoadiu, "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>; -def t2LDRSH_POST : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb), +def t2LDRSH_POST : T2Iidxldst<1, 0b01, 1, 0, (outs GPR:$dst, GPR:$base_wb), (ins GPR:$base, t2am_imm8_offset:$offset), AddrModeT2_i8, IndexModePost, IIC_iLoadiu, "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", @@ -607,53 +926,53 @@ def t2LDRSH_POST : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb), } // Store -defm t2STR : T2I_st<"str", BinOpFrag<(store node:$LHS, node:$RHS)>>; -defm t2STRB : T2I_st<"strb", BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>; -defm t2STRH : T2I_st<"strh", BinOpFrag<(truncstorei16 node:$LHS, node:$RHS)>>; +defm t2STR : T2I_st<0b10, "str", BinOpFrag<(store node:$LHS, node:$RHS)>>; +defm t2STRB : T2I_st<0b00, "strb", BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>; +defm t2STRH : T2I_st<0b01, "strh", BinOpFrag<(truncstorei16 node:$LHS, node:$RHS)>>; // Store doubleword let mayLoad = 1, hasExtraSrcRegAllocReq = 1 in -def t2STRDi8 : T2Ii8s4<(outs), +def t2STRDi8 : T2Ii8s4<1, 0, 0, (outs), (ins GPR:$src1, GPR:$src2, t2addrmode_imm8s4:$addr), IIC_iStorer, "strd", "\t$src1, $addr", []>; // Indexed stores -def t2STR_PRE : T2Iidxldst<(outs GPR:$base_wb), +def t2STR_PRE : T2Iidxldst<0, 0b10, 0, 1, (outs GPR:$base_wb), (ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset), AddrModeT2_i8, IndexModePre, IIC_iStoreiu, "str", "\t$src, [$base, $offset]!", "$base = $base_wb", [(set GPR:$base_wb, (pre_store GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>; -def t2STR_POST : T2Iidxldst<(outs GPR:$base_wb), +def t2STR_POST : T2Iidxldst<0, 0b10, 0, 0, (outs GPR:$base_wb), (ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset), AddrModeT2_i8, IndexModePost, IIC_iStoreiu, "str", "\t$src, [$base], $offset", "$base = $base_wb", [(set GPR:$base_wb, (post_store GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>; -def t2STRH_PRE : T2Iidxldst<(outs GPR:$base_wb), +def t2STRH_PRE : T2Iidxldst<0, 0b01, 0, 1, (outs GPR:$base_wb), (ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset), AddrModeT2_i8, IndexModePre, IIC_iStoreiu, "strh", "\t$src, [$base, $offset]!", "$base = $base_wb", [(set GPR:$base_wb, (pre_truncsti16 GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>; -def t2STRH_POST : T2Iidxldst<(outs GPR:$base_wb), +def t2STRH_POST : T2Iidxldst<0, 0b01, 0, 0, (outs GPR:$base_wb), (ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset), AddrModeT2_i8, IndexModePost, IIC_iStoreiu, "strh", "\t$src, [$base], $offset", "$base = $base_wb", [(set GPR:$base_wb, (post_truncsti16 GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>; -def t2STRB_PRE : T2Iidxldst<(outs GPR:$base_wb), +def t2STRB_PRE : T2Iidxldst<0, 0b00, 0, 1, (outs GPR:$base_wb), (ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset), AddrModeT2_i8, IndexModePre, IIC_iStoreiu, "strb", "\t$src, [$base, $offset]!", "$base = $base_wb", [(set GPR:$base_wb, (pre_truncsti8 GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>; -def t2STRB_POST : T2Iidxldst<(outs GPR:$base_wb), +def t2STRB_POST : T2Iidxldst<0, 0b00, 0, 0, (outs GPR:$base_wb), (ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset), AddrModeT2_i8, IndexModePost, IIC_iStoreiu, "strb", "\t$src, [$base], $offset", "$base = $base_wb", @@ -670,12 +989,26 @@ def t2STRB_POST : T2Iidxldst<(outs GPR:$base_wb), let mayLoad = 1, hasExtraDefRegAllocReq = 1 in def t2LDM : T2XI<(outs), (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops), - IIC_iLoadm, "ldm${addr:submode}${p}${addr:wide}\t$addr, $wb", []>; + IIC_iLoadm, "ldm${addr:submode}${p}${addr:wide}\t$addr, $wb", []> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b00; + let Inst{24-23} = {?, ?}; // IA: '01', DB: '10' + let Inst{22} = 0; + let Inst{21} = ?; // The W bit. + let Inst{20} = 1; // Load +} let mayStore = 1, hasExtraSrcRegAllocReq = 1 in def t2STM : T2XI<(outs), (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops), - IIC_iStorem, "stm${addr:submode}${p}${addr:wide}\t$addr, $wb", []>; + IIC_iStorem, "stm${addr:submode}${p}${addr:wide}\t$addr, $wb", []> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b00; + let Inst{24-23} = {?, ?}; // IA: '01', DB: '10' + let Inst{22} = 0; + let Inst{21} = ?; // The W bit. + let Inst{20} = 0; // Store +} //===----------------------------------------------------------------------===// // Move Instructions. @@ -683,24 +1016,51 @@ def t2STM : T2XI<(outs), let neverHasSideEffects = 1 in def t2MOVr : T2sI<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVr, - "mov", ".w\t$dst, $src", []>; + "mov", ".w\t$dst, $src", []> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = 0b0010; + let Inst{20} = ?; // The S bit. + let Inst{19-16} = 0b1111; // Rn + let Inst{14-12} = 0b000; + let Inst{7-4} = 0b0000; +} // AddedComplexity to ensure isel tries t2MOVi before t2MOVi16. let isReMaterializable = 1, isAsCheapAsAMove = 1, AddedComplexity = 1 in def t2MOVi : T2sI<(outs GPR:$dst), (ins t2_so_imm:$src), IIC_iMOVi, "mov", ".w\t$dst, $src", - [(set GPR:$dst, t2_so_imm:$src)]>; + [(set GPR:$dst, t2_so_imm:$src)]> { + let Inst{31-27} = 0b11110; + let Inst{25} = 0; + let Inst{24-21} = 0b0010; + let Inst{20} = ?; // The S bit. + let Inst{19-16} = 0b1111; // Rn + let Inst{15} = 0; +} let isReMaterializable = 1, isAsCheapAsAMove = 1 in def t2MOVi16 : T2I<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVi, "movw", "\t$dst, $src", - [(set GPR:$dst, imm0_65535:$src)]>; + [(set GPR:$dst, imm0_65535:$src)]> { + let Inst{31-27} = 0b11110; + let Inst{25} = 1; + let Inst{24-21} = 0b0010; + let Inst{20} = 0; // The S bit. + let Inst{15} = 0; +} let Constraints = "$src = $dst" in def t2MOVTi16 : T2I<(outs GPR:$dst), (ins GPR:$src, i32imm:$imm), IIC_iMOVi, "movt", "\t$dst, $imm", [(set GPR:$dst, - (or (and GPR:$src, 0xffff), lo16AllZero:$imm))]>; + (or (and GPR:$src, 0xffff), lo16AllZero:$imm))]> { + let Inst{31-27} = 0b11110; + let Inst{25} = 1; + let Inst{24-21} = 0b0110; + let Inst{20} = 0; // The S bit. + let Inst{15} = 0; +} def : T2Pat<(or GPR:$src, 0xffff0000), (t2MOVTi16 GPR:$src, 0xffff)>; @@ -710,12 +1070,14 @@ def : T2Pat<(or GPR:$src, 0xffff0000), (t2MOVTi16 GPR:$src, 0xffff)>; // Sign extenders -defm t2SXTB : T2I_unary_rrot<"sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>; -defm t2SXTH : T2I_unary_rrot<"sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>; +defm t2SXTB : T2I_unary_rrot<0b100, "sxtb", + UnOpFrag<(sext_inreg node:$Src, i8)>>; +defm t2SXTH : T2I_unary_rrot<0b000, "sxth", + UnOpFrag<(sext_inreg node:$Src, i16)>>; -defm t2SXTAB : T2I_bin_rrot<"sxtab", +defm t2SXTAB : T2I_bin_rrot<0b100, "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>; -defm t2SXTAH : T2I_bin_rrot<"sxtah", +defm t2SXTAH : T2I_bin_rrot<0b000, "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>; // TODO: SXT(A){B|H}16 @@ -723,18 +1085,21 @@ defm t2SXTAH : T2I_bin_rrot<"sxtah", // Zero extenders let AddedComplexity = 16 in { -defm t2UXTB : T2I_unary_rrot<"uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>; -defm t2UXTH : T2I_unary_rrot<"uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>; -defm t2UXTB16 : T2I_unary_rrot<"uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>; +defm t2UXTB : T2I_unary_rrot<0b101, "uxtb", + UnOpFrag<(and node:$Src, 0x000000FF)>>; +defm t2UXTH : T2I_unary_rrot<0b001, "uxth", + UnOpFrag<(and node:$Src, 0x0000FFFF)>>; +defm t2UXTB16 : T2I_unary_rrot<0b011, "uxtb16", + UnOpFrag<(and node:$Src, 0x00FF00FF)>>; def : T2Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF), (t2UXTB16r_rot GPR:$Src, 24)>; def : T2Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF), (t2UXTB16r_rot GPR:$Src, 8)>; -defm t2UXTAB : T2I_bin_rrot<"uxtab", +defm t2UXTAB : T2I_bin_rrot<0b101, "uxtab", BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>; -defm t2UXTAH : T2I_bin_rrot<"uxtah", +defm t2UXTAH : T2I_bin_rrot<0b001, "uxtah", BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>; } @@ -742,19 +1107,27 @@ defm t2UXTAH : T2I_bin_rrot<"uxtah", // Arithmetic Instructions. // -defm t2ADD : T2I_bin_ii12rs<"add", BinOpFrag<(add node:$LHS, node:$RHS)>, 1>; -defm t2SUB : T2I_bin_ii12rs<"sub", BinOpFrag<(sub node:$LHS, node:$RHS)>>; +defm t2ADD : T2I_bin_ii12rs<0b000, "add", + BinOpFrag<(add node:$LHS, node:$RHS)>, 1>; +defm t2SUB : T2I_bin_ii12rs<0b101, "sub", + BinOpFrag<(sub node:$LHS, node:$RHS)>>; // ADD and SUB with 's' bit set. No 12-bit immediate (T4) variants. -defm t2ADDS : T2I_bin_s_irs <"add", BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>; -defm t2SUBS : T2I_bin_s_irs <"sub", BinOpFrag<(subc node:$LHS, node:$RHS)>>; +defm t2ADDS : T2I_bin_s_irs <0b1000, "add", + BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>; +defm t2SUBS : T2I_bin_s_irs <0b1101, "sub", + BinOpFrag<(subc node:$LHS, node:$RHS)>>; -defm t2ADC : T2I_adde_sube_irs<"adc",BinOpFrag<(adde node:$LHS, node:$RHS)>,1>; -defm t2SBC : T2I_adde_sube_irs<"sbc",BinOpFrag<(sube node:$LHS, node:$RHS)>>; +defm t2ADC : T2I_adde_sube_irs<0b1010, "adc", + BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>; +defm t2SBC : T2I_adde_sube_irs<0b1011, "sbc", + BinOpFrag<(sube node:$LHS, node:$RHS)>>; // RSB -defm t2RSB : T2I_rbin_is <"rsb", BinOpFrag<(sub node:$LHS, node:$RHS)>>; -defm t2RSBS : T2I_rbin_s_is <"rsb", BinOpFrag<(subc node:$LHS, node:$RHS)>>; +defm t2RSB : T2I_rbin_is <0b1110, "rsb", + BinOpFrag<(sub node:$LHS, node:$RHS)>>; +defm t2RSBS : T2I_rbin_s_is <0b1110, "rsb", + BinOpFrag<(subc node:$LHS, node:$RHS)>>; // (sub X, imm) gets canonicalized to (add X, -imm). Match this form. let AddedComplexity = 1 in @@ -770,54 +1143,103 @@ def : T2Pat<(add GPR:$src, imm0_4095_neg:$imm), // Shift and rotate Instructions. // -defm t2LSL : T2I_sh_ir<"lsl", BinOpFrag<(shl node:$LHS, node:$RHS)>>; -defm t2LSR : T2I_sh_ir<"lsr", BinOpFrag<(srl node:$LHS, node:$RHS)>>; -defm t2ASR : T2I_sh_ir<"asr", BinOpFrag<(sra node:$LHS, node:$RHS)>>; -defm t2ROR : T2I_sh_ir<"ror", BinOpFrag<(rotr node:$LHS, node:$RHS)>>; +defm t2LSL : T2I_sh_ir<0b00, "lsl", BinOpFrag<(shl node:$LHS, node:$RHS)>>; +defm t2LSR : T2I_sh_ir<0b01, "lsr", BinOpFrag<(srl node:$LHS, node:$RHS)>>; +defm t2ASR : T2I_sh_ir<0b10, "asr", BinOpFrag<(sra node:$LHS, node:$RHS)>>; +defm t2ROR : T2I_sh_ir<0b11, "ror", BinOpFrag<(rotr node:$LHS, node:$RHS)>>; let Uses = [CPSR] in { def t2MOVrx : T2sI<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "rrx", "\t$dst, $src", - [(set GPR:$dst, (ARMrrx GPR:$src))]>; + [(set GPR:$dst, (ARMrrx GPR:$src))]> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = 0b0010; + let Inst{20} = ?; // The S bit. + let Inst{19-16} = 0b1111; // Rn + let Inst{14-12} = 0b000; + let Inst{7-4} = 0b0011; +} } let Defs = [CPSR] in { def t2MOVsrl_flag : T2XI<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "lsrs.w\t$dst, $src, #1", - [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>; + [(set GPR:$dst, (ARMsrl_flag GPR:$src))]> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = 0b0010; + let Inst{20} = 1; // The S bit. + let Inst{19-16} = 0b1111; // Rn + let Inst{5-4} = 0b01; // Shift type. + // Shift amount = Inst{14-12:7-6} = 1. + let Inst{14-12} = 0b000; + let Inst{7-6} = 0b01; +} def t2MOVsra_flag : T2XI<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "asrs.w\t$dst, $src, #1", - [(set GPR:$dst, (ARMsra_flag GPR:$src))]>; + [(set GPR:$dst, (ARMsra_flag GPR:$src))]> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = 0b0010; + let Inst{20} = 1; // The S bit. + let Inst{19-16} = 0b1111; // Rn + let Inst{5-4} = 0b10; // Shift type. + // Shift amount = Inst{14-12:7-6} = 1. + let Inst{14-12} = 0b000; + let Inst{7-6} = 0b01; +} } //===----------------------------------------------------------------------===// // Bitwise Instructions. // -defm t2AND : T2I_bin_w_irs<"and", BinOpFrag<(and node:$LHS, node:$RHS)>, 1>; -defm t2ORR : T2I_bin_w_irs<"orr", BinOpFrag<(or node:$LHS, node:$RHS)>, 1>; -defm t2EOR : T2I_bin_w_irs<"eor", BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>; +defm t2AND : T2I_bin_w_irs<0b0000, "and", + BinOpFrag<(and node:$LHS, node:$RHS)>, 1>; +defm t2ORR : T2I_bin_w_irs<0b0010, "orr", + BinOpFrag<(or node:$LHS, node:$RHS)>, 1>; +defm t2EOR : T2I_bin_w_irs<0b0100, "eor", + BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>; -defm t2BIC : T2I_bin_w_irs<"bic", BinOpFrag<(and node:$LHS, (not node:$RHS))>>; +defm t2BIC : T2I_bin_w_irs<0b0001, "bic", + BinOpFrag<(and node:$LHS, (not node:$RHS))>>; let Constraints = "$src = $dst" in def t2BFC : T2I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm), IIC_iUNAsi, "bfc", "\t$dst, $imm", - [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>; + [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]> { + let Inst{31-27} = 0b11110; + let Inst{25} = 1; + let Inst{24-20} = 0b10110; + let Inst{19-16} = 0b1111; // Rn + let Inst{15} = 0; +} def t2SBFX : T2I<(outs GPR:$dst), (ins GPR:$src, imm0_31:$lsb, imm0_31:$width), - IIC_iALUi, "sbfx", "\t$dst, $src, $lsb, $width", []>; + IIC_iALUi, "sbfx", "\t$dst, $src, $lsb, $width", []> { + let Inst{31-27} = 0b11110; + let Inst{25} = 1; + let Inst{24-20} = 0b10100; + let Inst{15} = 0; +} def t2UBFX : T2I<(outs GPR:$dst), (ins GPR:$src, imm0_31:$lsb, imm0_31:$width), - IIC_iALUi, "ubfx", "\t$dst, $src, $lsb, $width", []>; + IIC_iALUi, "ubfx", "\t$dst, $src, $lsb, $width", []> { + let Inst{31-27} = 0b11110; + let Inst{25} = 1; + let Inst{24-20} = 0b11100; + let Inst{15} = 0; +} // FIXME: A8.6.18 BFI - Bitfield insert (Encoding T1) -defm t2ORN : T2I_bin_irs<"orn", BinOpFrag<(or node:$LHS, (not node:$RHS))>>; +defm t2ORN : T2I_bin_irs<0b0011, "orn", BinOpFrag<(or node:$LHS, + (not node:$RHS))>>; // Prefer over of t2EORri ra, rb, -1 because mvn has 16-bit version let AddedComplexity = 1 in -defm t2MVN : T2I_un_irs <"mvn", UnOpFrag<(not node:$Src)>, 1, 1>; +defm t2MVN : T2I_un_irs <0b0011, "mvn", UnOpFrag<(not node:$Src)>, 1, 1>; def : T2Pat<(and GPR:$src, t2_so_imm_not:$imm), @@ -837,81 +1259,184 @@ def : T2Pat<(t2_so_imm_not:$src), let isCommutable = 1 in def t2MUL: T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b), IIC_iMUL32, "mul", "\t$dst, $a, $b", - [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>; + [(set GPR:$dst, (mul GPR:$a, GPR:$b))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b000; + let Inst{15-12} = 0b1111; // Ra = 0b1111 (no accumulate) + let Inst{7-4} = 0b0000; // Multiply +} def t2MLA: T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c), IIC_iMAC32, "mla", "\t$dst, $a, $b, $c", - [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>; + [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b000; + let Inst{15-12} = {?, ?, ?, ?}; // Ra + let Inst{7-4} = 0b0000; // Multiply +} def t2MLS: T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c), IIC_iMAC32, "mls", "\t$dst, $a, $b, $c", - [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>; + [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b000; + let Inst{15-12} = {?, ?, ?, ?}; // Ra + let Inst{7-4} = 0b0001; // Multiply and Subtract +} // Extra precision multiplies with low / high results let neverHasSideEffects = 1 in { let isCommutable = 1 in { def t2SMULL : T2I<(outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b), IIC_iMUL64, - "smull", "\t$ldst, $hdst, $a, $b", []>; + "smull", "\t$ldst, $hdst, $a, $b", []> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0111; + let Inst{22-20} = 0b000; + let Inst{7-4} = 0b0000; +} def t2UMULL : T2I<(outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b), IIC_iMUL64, - "umull", "\t$ldst, $hdst, $a, $b", []>; + "umull", "\t$ldst, $hdst, $a, $b", []> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0111; + let Inst{22-20} = 0b010; + let Inst{7-4} = 0b0000; } +} // isCommutable // Multiply + accumulate def t2SMLAL : T2I<(outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b), IIC_iMAC64, - "smlal", "\t$ldst, $hdst, $a, $b", []>; + "smlal", "\t$ldst, $hdst, $a, $b", []>{ + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0111; + let Inst{22-20} = 0b100; + let Inst{7-4} = 0b0000; +} def t2UMLAL : T2I<(outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b), IIC_iMAC64, - "umlal", "\t$ldst, $hdst, $a, $b", []>; + "umlal", "\t$ldst, $hdst, $a, $b", []>{ + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0111; + let Inst{22-20} = 0b110; + let Inst{7-4} = 0b0000; +} def t2UMAAL : T2I<(outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b), IIC_iMAC64, - "umaal", "\t$ldst, $hdst, $a, $b", []>; + "umaal", "\t$ldst, $hdst, $a, $b", []>{ + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0111; + let Inst{22-20} = 0b110; + let Inst{7-4} = 0b0110; +} } // neverHasSideEffects // Most significant word multiply def t2SMMUL : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b), IIC_iMUL32, "smmul", "\t$dst, $a, $b", - [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>; + [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b101; + let Inst{15-12} = 0b1111; // Ra = 0b1111 (no accumulate) + let Inst{7-4} = 0b0000; // No Rounding (Inst{4} = 0) +} def t2SMMLA : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c), IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c", - [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>; + [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b101; + let Inst{15-12} = {?, ?, ?, ?}; // Ra + let Inst{7-4} = 0b0000; // No Rounding (Inst{4} = 0) +} def t2SMMLS : T2I <(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c), IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c", - [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>; + [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b110; + let Inst{15-12} = {?, ?, ?, ?}; // Ra + let Inst{7-4} = 0b0000; // No Rounding (Inst{4} = 0) +} multiclass T2I_smul<string opc, PatFrag opnode> { def BB : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b), IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b", [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16), - (sext_inreg GPR:$b, i16)))]>; + (sext_inreg GPR:$b, i16)))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b001; + let Inst{15-12} = 0b1111; // Ra = 0b1111 (no accumulate) + let Inst{7-6} = 0b00; + let Inst{5-4} = 0b00; + } def BT : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b), IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b", [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16), - (sra GPR:$b, (i32 16))))]>; + (sra GPR:$b, (i32 16))))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b001; + let Inst{15-12} = 0b1111; // Ra = 0b1111 (no accumulate) + let Inst{7-6} = 0b00; + let Inst{5-4} = 0b01; + } def TB : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b), IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b", [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)), - (sext_inreg GPR:$b, i16)))]>; + (sext_inreg GPR:$b, i16)))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b001; + let Inst{15-12} = 0b1111; // Ra = 0b1111 (no accumulate) + let Inst{7-6} = 0b00; + let Inst{5-4} = 0b10; + } def TT : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b), IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b", [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)), - (sra GPR:$b, (i32 16))))]>; + (sra GPR:$b, (i32 16))))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b001; + let Inst{15-12} = 0b1111; // Ra = 0b1111 (no accumulate) + let Inst{7-6} = 0b00; + let Inst{5-4} = 0b11; + } def WB : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b), IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b", [(set GPR:$dst, (sra (opnode GPR:$a, - (sext_inreg GPR:$b, i16)), (i32 16)))]>; + (sext_inreg GPR:$b, i16)), (i32 16)))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b011; + let Inst{15-12} = 0b1111; // Ra = 0b1111 (no accumulate) + let Inst{7-6} = 0b00; + let Inst{5-4} = 0b00; + } def WT : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b), IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b", [(set GPR:$dst, (sra (opnode GPR:$a, - (sra GPR:$b, (i32 16))), (i32 16)))]>; + (sra GPR:$b, (i32 16))), (i32 16)))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b011; + let Inst{15-12} = 0b1111; // Ra = 0b1111 (no accumulate) + let Inst{7-6} = 0b00; + let Inst{5-4} = 0b01; + } } @@ -920,32 +1445,74 @@ multiclass T2I_smla<string opc, PatFrag opnode> { !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc", [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16), - (sext_inreg GPR:$b, i16))))]>; + (sext_inreg GPR:$b, i16))))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b001; + let Inst{15-12} = {?, ?, ?, ?}; // Ra + let Inst{7-6} = 0b00; + let Inst{5-4} = 0b00; + } def BT : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc", [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16), - (sra GPR:$b, (i32 16)))))]>; + (sra GPR:$b, (i32 16)))))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b001; + let Inst{15-12} = {?, ?, ?, ?}; // Ra + let Inst{7-6} = 0b00; + let Inst{5-4} = 0b01; + } def TB : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc", [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)), - (sext_inreg GPR:$b, i16))))]>; + (sext_inreg GPR:$b, i16))))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b001; + let Inst{15-12} = {?, ?, ?, ?}; // Ra + let Inst{7-6} = 0b00; + let Inst{5-4} = 0b10; + } def TT : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc", [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)), - (sra GPR:$b, (i32 16)))))]>; + (sra GPR:$b, (i32 16)))))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b001; + let Inst{15-12} = {?, ?, ?, ?}; // Ra + let Inst{7-6} = 0b00; + let Inst{5-4} = 0b11; + } def WB : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc", [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a, - (sext_inreg GPR:$b, i16)), (i32 16))))]>; + (sext_inreg GPR:$b, i16)), (i32 16))))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b011; + let Inst{15-12} = {?, ?, ?, ?}; // Ra + let Inst{7-6} = 0b00; + let Inst{5-4} = 0b00; + } def WT : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc", [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a, - (sra GPR:$b, (i32 16))), (i32 16))))]>; + (sra GPR:$b, (i32 16))), (i32 16))))]> { + let Inst{31-27} = 0b11111; + let Inst{26-23} = 0b0110; + let Inst{22-20} = 0b011; + let Inst{15-12} = {?, ?, ?, ?}; // Ra + let Inst{7-6} = 0b00; + let Inst{5-4} = 0b01; + } } defm t2SMUL : T2I_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>; @@ -959,24 +1526,33 @@ defm t2SMLA : T2I_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>; // Misc. Arithmetic Instructions. // -def t2CLZ : T2I<(outs GPR:$dst), (ins GPR:$src), IIC_iUNAr, - "clz", "\t$dst, $src", - [(set GPR:$dst, (ctlz GPR:$src))]>; +class T2I_misc<bits<2> op1, bits<2> op2, dag oops, dag iops, InstrItinClass itin, + string opc, string asm, list<dag> pattern> + : T2I<oops, iops, itin, opc, asm, pattern> { + let Inst{31-27} = 0b11111; + let Inst{26-22} = 0b01010; + let Inst{21-20} = op1; + let Inst{15-12} = 0b1111; + let Inst{7-6} = 0b10; + let Inst{5-4} = op2; +} + +def t2CLZ : T2I_misc<0b11, 0b00, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr, + "clz", "\t$dst, $src", [(set GPR:$dst, (ctlz GPR:$src))]>; -def t2REV : T2I<(outs GPR:$dst), (ins GPR:$src), IIC_iUNAr, - "rev", ".w\t$dst, $src", - [(set GPR:$dst, (bswap GPR:$src))]>; +def t2REV : T2I_misc<0b01, 0b00, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr, + "rev", ".w\t$dst, $src", [(set GPR:$dst, (bswap GPR:$src))]>; -def t2REV16 : T2I<(outs GPR:$dst), (ins GPR:$src), IIC_iUNAr, - "rev16", ".w\t$dst, $src", +def t2REV16 : T2I_misc<0b01, 0b01, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr, + "rev16", ".w\t$dst, $src", [(set GPR:$dst, (or (and (srl GPR:$src, (i32 8)), 0xFF), (or (and (shl GPR:$src, (i32 8)), 0xFF00), (or (and (srl GPR:$src, (i32 8)), 0xFF0000), (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>; -def t2REVSH : T2I<(outs GPR:$dst), (ins GPR:$src), IIC_iUNAr, - "revsh", ".w\t$dst, $src", +def t2REVSH : T2I_misc<0b01, 0b11, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr, + "revsh", ".w\t$dst, $src", [(set GPR:$dst, (sext_inreg (or (srl (and GPR:$src, 0xFF00), (i32 8)), @@ -986,7 +1562,13 @@ def t2PKHBT : T2I<(outs GPR:$dst), (ins GPR:$src1, GPR:$src2, i32imm:$shamt), IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, LSL $shamt", [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF), (and (shl GPR:$src2, (i32 imm:$shamt)), - 0xFFFF0000)))]>; + 0xFFFF0000)))]> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-20} = 0b01100; + let Inst{5} = 0; // BT form + let Inst{4} = 0; +} // Alternate cases for PKHBT where identities eliminate some nodes. def : T2Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)), @@ -998,7 +1580,13 @@ def t2PKHTB : T2I<(outs GPR:$dst), (ins GPR:$src1, GPR:$src2, i32imm:$shamt), IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, ASR $shamt", [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000), (and (sra GPR:$src2, imm16_31:$shamt), - 0xFFFF)))]>; + 0xFFFF)))]> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-20} = 0b01100; + let Inst{5} = 1; // TB form + let Inst{4} = 0; +} // Alternate cases for PKHTB where identities eliminate some nodes. Note that // a shift amount of 0 is *not legal* here, it is PKHBT instead. @@ -1012,15 +1600,15 @@ def : T2Pat<(or (and GPR:$src1, 0xFFFF0000), // Comparison Instructions... // -defm t2CMP : T2I_cmp_is<"cmp", - BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>; -defm t2CMPz : T2I_cmp_is<"cmp", - BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>; +defm t2CMP : T2I_cmp_irs<0b1101, "cmp", + BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>; +defm t2CMPz : T2I_cmp_irs<0b1101, "cmp", + BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>; -defm t2CMN : T2I_cmp_is<"cmn", - BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>; -defm t2CMNz : T2I_cmp_is<"cmn", - BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>; +defm t2CMN : T2I_cmp_irs<0b1000, "cmn", + BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>; +defm t2CMNz : T2I_cmp_irs<0b1000, "cmn", + BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>; def : T2Pat<(ARMcmp GPR:$src, t2_so_imm_neg:$imm), (t2CMNri GPR:$src, t2_so_imm_neg:$imm)>; @@ -1028,10 +1616,10 @@ def : T2Pat<(ARMcmp GPR:$src, t2_so_imm_neg:$imm), def : T2Pat<(ARMcmpZ GPR:$src, t2_so_imm_neg:$imm), (t2CMNri GPR:$src, t2_so_imm_neg:$imm)>; -defm t2TST : T2I_cmp_is<"tst", - BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>>; -defm t2TEQ : T2I_cmp_is<"teq", - BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>>; +defm t2TST : T2I_cmp_irs<0b0000, "tst", + BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>>; +defm t2TEQ : T2I_cmp_irs<0b0100, "teq", + BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>>; // A8.6.27 CBNZ, CBZ - Compare and branch on (non)zero. // Short range conditional branch. Looks awesome for loops. Need to figure @@ -1044,25 +1632,54 @@ defm t2TEQ : T2I_cmp_is<"teq", def t2MOVCCr : T2I<(outs GPR:$dst), (ins GPR:$false, GPR:$true), IIC_iCMOVr, "mov", ".w\t$dst, $true", [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>, - RegConstraint<"$false = $dst">; + RegConstraint<"$false = $dst"> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = 0b0010; + let Inst{20} = 0; // The S bit. + let Inst{19-16} = 0b1111; // Rn + let Inst{14-12} = 0b000; + let Inst{7-4} = 0b0000; +} def t2MOVCCi : T2I<(outs GPR:$dst), (ins GPR:$false, t2_so_imm:$true), IIC_iCMOVi, "mov", ".w\t$dst, $true", [/*(set GPR:$dst, (ARMcmov GPR:$false, t2_so_imm:$true, imm:$cc, CCR:$ccr))*/]>, - RegConstraint<"$false = $dst">; - -def t2MOVCClsl : T2I<(outs GPR:$dst), (ins GPR:$false, GPR:$true, i32imm:$rhs), - IIC_iCMOVsi, "lsl", ".w\t$dst, $true, $rhs", []>, - RegConstraint<"$false = $dst">; -def t2MOVCClsr : T2I<(outs GPR:$dst), (ins GPR:$false, GPR:$true, i32imm:$rhs), - IIC_iCMOVsi, "lsr", ".w\t$dst, $true, $rhs", []>, - RegConstraint<"$false = $dst">; -def t2MOVCCasr : T2I<(outs GPR:$dst), (ins GPR:$false, GPR:$true, i32imm:$rhs), - IIC_iCMOVsi, "asr", ".w\t$dst, $true, $rhs", []>, - RegConstraint<"$false = $dst">; -def t2MOVCCror : T2I<(outs GPR:$dst), (ins GPR:$false, GPR:$true, i32imm:$rhs), - IIC_iCMOVsi, "ror", ".w\t$dst, $true, $rhs", []>, - RegConstraint<"$false = $dst">; + RegConstraint<"$false = $dst"> { + let Inst{31-27} = 0b11110; + let Inst{25} = 0; + let Inst{24-21} = 0b0010; + let Inst{20} = 0; // The S bit. + let Inst{19-16} = 0b1111; // Rn + let Inst{15} = 0; +} + +class T2I_movcc_sh<bits<2> opcod, dag oops, dag iops, InstrItinClass itin, + string opc, string asm, list<dag> pattern> + : T2I<oops, iops, itin, opc, asm, pattern> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b01; + let Inst{24-21} = 0b0010; + let Inst{20} = 0; // The S bit. + let Inst{19-16} = 0b1111; // Rn + let Inst{5-4} = opcod; // Shift type. +} +def t2MOVCClsl : T2I_movcc_sh<0b00, (outs GPR:$dst), + (ins GPR:$false, GPR:$true, i32imm:$rhs), + IIC_iCMOVsi, "lsl", ".w\t$dst, $true, $rhs", []>, + RegConstraint<"$false = $dst">; +def t2MOVCClsr : T2I_movcc_sh<0b01, (outs GPR:$dst), + (ins GPR:$false, GPR:$true, i32imm:$rhs), + IIC_iCMOVsi, "lsr", ".w\t$dst, $true, $rhs", []>, + RegConstraint<"$false = $dst">; +def t2MOVCCasr : T2I_movcc_sh<0b10, (outs GPR:$dst), + (ins GPR:$false, GPR:$true, i32imm:$rhs), + IIC_iCMOVsi, "asr", ".w\t$dst, $true, $rhs", []>, + RegConstraint<"$false = $dst">; +def t2MOVCCror : T2I_movcc_sh<0b11, (outs GPR:$dst), + (ins GPR:$false, GPR:$true, i32imm:$rhs), + IIC_iCMOVsi, "ror", ".w\t$dst, $true, $rhs", []>, + RegConstraint<"$false = $dst">; //===----------------------------------------------------------------------===// // Atomic operations intrinsics @@ -1075,7 +1692,9 @@ def t2Int_MemBarrierV7 : AInoP<(outs), (ins), "dmb", "", [(ARMMemBarrierV7)]>, Requires<[IsThumb2]> { + let Inst{31-4} = 0xF3BF8F5; // FIXME: add support for options other than a full system DMB + let Inst{3-0} = 0b1111; } def t2Int_SyncBarrierV7 : AInoP<(outs), (ins), @@ -1083,47 +1702,76 @@ def t2Int_SyncBarrierV7 : AInoP<(outs), (ins), "dsb", "", [(ARMSyncBarrierV7)]>, Requires<[IsThumb2]> { + let Inst{31-4} = 0xF3BF8F4; // FIXME: add support for options other than a full system DSB + let Inst{3-0} = 0b1111; } } +class T2I_ldrex<bits<2> opcod, dag oops, dag iops, AddrMode am, SizeFlagVal sz, + InstrItinClass itin, string opc, string asm, string cstr, + list<dag> pattern, bits<4> rt2 = 0b1111> + : Thumb2I<oops, iops, am, sz, itin, opc, asm, cstr, pattern> { + let Inst{31-27} = 0b11101; + let Inst{26-20} = 0b0001101; + let Inst{11-8} = rt2; + let Inst{7-6} = 0b01; + let Inst{5-4} = opcod; + let Inst{3-0} = 0b1111; +} +class T2I_strex<bits<2> opcod, dag oops, dag iops, AddrMode am, SizeFlagVal sz, + InstrItinClass itin, string opc, string asm, string cstr, + list<dag> pattern, bits<4> rt2 = 0b1111> + : Thumb2I<oops, iops, am, sz, itin, opc, asm, cstr, pattern> { + let Inst{31-27} = 0b11101; + let Inst{26-20} = 0b0001100; + let Inst{11-8} = rt2; + let Inst{7-6} = 0b01; + let Inst{5-4} = opcod; +} + let mayLoad = 1 in { -def t2LDREXB : Thumb2I<(outs GPR:$dest), (ins GPR:$ptr), AddrModeNone, - Size4Bytes, NoItinerary, - "ldrexb", "\t$dest, [$ptr]", "", - []>; -def t2LDREXH : Thumb2I<(outs GPR:$dest), (ins GPR:$ptr), AddrModeNone, - Size4Bytes, NoItinerary, - "ldrexh", "\t$dest, [$ptr]", "", - []>; +def t2LDREXB : T2I_ldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), AddrModeNone, + Size4Bytes, NoItinerary, "ldrexb", "\t$dest, [$ptr]", + "", []>; +def t2LDREXH : T2I_ldrex<0b01, (outs GPR:$dest), (ins GPR:$ptr), AddrModeNone, + Size4Bytes, NoItinerary, "ldrexh", "\t$dest, [$ptr]", + "", []>; def t2LDREX : Thumb2I<(outs GPR:$dest), (ins GPR:$ptr), AddrModeNone, - Size4Bytes, NoItinerary, - "ldrex", "\t$dest, [$ptr]", "", - []>; -def t2LDREXD : Thumb2I<(outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr), - AddrModeNone, Size4Bytes, NoItinerary, - "ldrexd", "\t$dest, $dest2, [$ptr]", "", - []>; + Size4Bytes, NoItinerary, + "ldrex", "\t$dest, [$ptr]", "", + []> { + let Inst{31-27} = 0b11101; + let Inst{26-20} = 0b0000101; + let Inst{11-8} = 0b1111; + let Inst{7-0} = 0b00000000; // imm8 = 0 +} +def t2LDREXD : T2I_ldrex<0b11, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr), + AddrModeNone, Size4Bytes, NoItinerary, + "ldrexd", "\t$dest, $dest2, [$ptr]", "", + [], {?, ?, ?, ?}>; } let mayStore = 1 in { -def t2STREXB : Thumb2I<(outs GPR:$success), (ins GPR:$src, GPR:$ptr), - AddrModeNone, Size4Bytes, NoItinerary, - "strexb", "\t$success, $src, [$ptr]", "", - []>; -def t2STREXH : Thumb2I<(outs GPR:$success), (ins GPR:$src, GPR:$ptr), - AddrModeNone, Size4Bytes, NoItinerary, - "strexh", "\t$success, $src, [$ptr]", "", - []>; +def t2STREXB : T2I_strex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr), + AddrModeNone, Size4Bytes, NoItinerary, + "strexb", "\t$success, $src, [$ptr]", "", []>; +def t2STREXH : T2I_strex<0b01, (outs GPR:$success), (ins GPR:$src, GPR:$ptr), + AddrModeNone, Size4Bytes, NoItinerary, + "strexh", "\t$success, $src, [$ptr]", "", []>; def t2STREX : Thumb2I<(outs GPR:$success), (ins GPR:$src, GPR:$ptr), - AddrModeNone, Size4Bytes, NoItinerary, - "strex", "\t$success, $src, [$ptr]", "", - []>; -def t2STREXD : Thumb2I<(outs GPR:$success), - (ins GPR:$src, GPR:$src2, GPR:$ptr), - AddrModeNone, Size4Bytes, NoItinerary, - "strexd", "\t$success, $src, $src2, [$ptr]", "", - []>; + AddrModeNone, Size4Bytes, NoItinerary, + "strex", "\t$success, $src, [$ptr]", "", + []> { + let Inst{31-27} = 0b11101; + let Inst{26-20} = 0b0000100; + let Inst{7-0} = 0b00000000; // imm8 = 0 +} +def t2STREXD : T2I_strex<0b11, (outs GPR:$success), + (ins GPR:$src, GPR:$src2, GPR:$ptr), + AddrModeNone, Size4Bytes, NoItinerary, + "strexd", "\t$success, $src, $src2, [$ptr]", "", [], + {?, ?, ?, ?}>; } //===----------------------------------------------------------------------===// @@ -1135,7 +1783,11 @@ let isCall = 1, Defs = [R0, R12, LR, CPSR] in { def t2TPsoft : T2XI<(outs), (ins), IIC_Br, "bl\t__aeabi_read_tp", - [(set R0, ARMthread_pointer)]>; + [(set R0, ARMthread_pointer)]> { + let Inst{31-27} = 0b11110; + let Inst{15-14} = 0b11; + let Inst{12} = 1; + } } //===----------------------------------------------------------------------===// @@ -1183,31 +1835,61 @@ let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1, def t2LDM_RET : T2XI<(outs), (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops), IIC_Br, "ldm${addr:submode}${p}${addr:wide}\t$addr, $wb", - []>; + []> { + let Inst{31-27} = 0b11101; + let Inst{26-25} = 0b00; + let Inst{24-23} = {?, ?}; // IA: '01', DB: '10' + let Inst{22} = 0; + let Inst{21} = ?; // The W bit. + let Inst{20} = 1; // Load +} let isBranch = 1, isTerminator = 1, isBarrier = 1 in { let isPredicable = 1 in def t2B : T2XI<(outs), (ins brtarget:$target), IIC_Br, "b.w\t$target", - [(br bb:$target)]>; + [(br bb:$target)]> { + let Inst{31-27} = 0b11110; + let Inst{15-14} = 0b10; + let Inst{12} = 1; +} let isNotDuplicable = 1, isIndirectBranch = 1 in { def t2BR_JT : T2JTI<(outs), (ins GPR:$target, GPR:$index, jt2block_operand:$jt, i32imm:$id), IIC_Br, "mov\tpc, $target\n$jt", - [(ARMbr2jt GPR:$target, GPR:$index, tjumptable:$jt, imm:$id)]>; + [(ARMbr2jt GPR:$target, GPR:$index, tjumptable:$jt, imm:$id)]> { + let Inst{31-27} = 0b11101; + let Inst{26-20} = 0b0100100; + let Inst{19-16} = 0b1111; + let Inst{14-12} = 0b000; + let Inst{11-8} = 0b1111; // Rd = pc + let Inst{7-4} = 0b0000; +} // FIXME: Add a non-pc based case that can be predicated. def t2TBB : T2JTI<(outs), (ins tb_addrmode:$index, jt2block_operand:$jt, i32imm:$id), - IIC_Br, "tbb\t$index\n$jt", []>; + IIC_Br, "tbb\t$index\n$jt", []> { + let Inst{31-27} = 0b11101; + let Inst{26-20} = 0b0001101; + let Inst{19-16} = 0b1111; // Rn = pc (table follows this instruction) + let Inst{15-8} = 0b11110000; + let Inst{7-4} = 0b0000; // B form +} def t2TBH : T2JTI<(outs), (ins tb_addrmode:$index, jt2block_operand:$jt, i32imm:$id), - IIC_Br, "tbh\t$index\n$jt", []>; + IIC_Br, "tbh\t$index\n$jt", []> { + let Inst{31-27} = 0b11101; + let Inst{26-20} = 0b0001101; + let Inst{19-16} = 0b1111; // Rn = pc (table follows this instruction) + let Inst{15-8} = 0b11110000; + let Inst{7-4} = 0b0001; // H form +} } // isNotDuplicable, isIndirectBranch } // isBranch, isTerminator, isBarrier @@ -1217,13 +1899,20 @@ def t2TBH : let isBranch = 1, isTerminator = 1 in def t2Bcc : T2I<(outs), (ins brtarget:$target), IIC_Br, "b", ".w\t$target", - [/*(ARMbrcond bb:$target, imm:$cc)*/]>; + [/*(ARMbrcond bb:$target, imm:$cc)*/]> { + let Inst{31-27} = 0b11110; + let Inst{15-14} = 0b10; + let Inst{12} = 0; +} // IT block def t2IT : Thumb2XI<(outs), (ins it_pred:$cc, it_mask:$mask), AddrModeNone, Size2Bytes, IIC_iALUx, - "it$mask\t$cc", "", []>; + "it$mask\t$cc", "", []> { + // 16-bit instruction. + let Inst{15-8} = 0b10111111; +} //===----------------------------------------------------------------------===// // Non-Instruction Patterns |