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author | Owen Anderson <resistor@mac.com> | 2010-11-15 19:58:36 +0000 |
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committer | Owen Anderson <resistor@mac.com> | 2010-11-15 19:58:36 +0000 |
commit | bb6315d1e48f24e0eefa98b0f572fda8dbb3251f (patch) | |
tree | 86d738569aa6ddb04f808c1b9a463dd65ca711e1 /lib | |
parent | 3285877131ed40d7fe75babf4ee3f4e0d287e4a4 (diff) | |
download | external_llvm-bb6315d1e48f24e0eefa98b0f572fda8dbb3251f.zip external_llvm-bb6315d1e48f24e0eefa98b0f572fda8dbb3251f.tar.gz external_llvm-bb6315d1e48f24e0eefa98b0f572fda8dbb3251f.tar.bz2 |
Add Thumb2 encodings for comparison and shift operators.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119176 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 142 |
1 files changed, 106 insertions, 36 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 6e91f86..9cad27e 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -183,6 +183,7 @@ class T2OneRegImm<dag oops, dag iops, InstrItinClass itin, let Inst{7-0} = imm{7-0}; } + class T2sOneRegImm<dag oops, dag iops, InstrItinClass itin, string opc, string asm, list<dag> pattern> : T2sI<oops, iops, itin, opc, asm, pattern> { @@ -196,6 +197,19 @@ class T2sOneRegImm<dag oops, dag iops, InstrItinClass itin, let Inst{7-0} = imm{7-0}; } +class T2OneRegCmpImm<dag oops, dag iops, InstrItinClass itin, + string opc, string asm, list<dag> pattern> + : T2I<oops, iops, itin, opc, asm, pattern> { + bits<4> Rn; + bits<12> imm; + + 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 T2OneRegShiftedReg<dag oops, dag iops, InstrItinClass itin, string opc, string asm, list<dag> pattern> : T2I<oops, iops, itin, opc, asm, pattern> { @@ -222,6 +236,19 @@ class T2sOneRegShiftedReg<dag oops, dag iops, InstrItinClass itin, let Inst{7-6} = ShiftedRm{8-7}; } +class T2OneRegCmpShiftedReg<dag oops, dag iops, InstrItinClass itin, + string opc, string asm, list<dag> pattern> + : T2I<oops, iops, itin, opc, asm, pattern> { + bits<4> Rn; + bits<12> ShiftedRm; + + 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 T2TwoReg<dag oops, dag iops, InstrItinClass itin, string opc, string asm, list<dag> pattern> : T2I<oops, iops, itin, opc, asm, pattern> { @@ -242,6 +269,16 @@ class T2sTwoReg<dag oops, dag iops, InstrItinClass itin, let Inst{3-0} = Rm{3-0}; } +class T2TwoRegCmp<dag oops, dag iops, InstrItinClass itin, + string opc, string asm, list<dag> pattern> + : T2I<oops, iops, itin, opc, asm, pattern> { + bits<4> Rn; + bits<4> Rm; + + let Inst{19-16} = Rn{3-0}; + let Inst{3-0} = Rm{3-0}; +} + class T2TwoRegImm<dag oops, dag iops, InstrItinClass itin, string opc, string asm, list<dag> pattern> @@ -267,6 +304,32 @@ class T2sTwoRegImm<dag oops, dag iops, InstrItinClass itin, let Inst{7-0} = imm{7-0}; } +class T2TwoRegShiftImm<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> Rm; + bits<5> imm; + + let Inst{11-8} = Rd{3-0}; + let Inst{3-0} = Rm{3-0}; + let Inst{14-12} = imm{4-2}; + let Inst{7-6} = imm{1-0}; +} + +class T2sTwoRegShiftImm<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> Rm; + bits<5> imm; + + let Inst{11-8} = Rd{3-0}; + let Inst{3-0} = Rm{3-0}; + let Inst{14-12} = imm{4-2}; + let Inst{7-6} = imm{1-0}; +} + class T2ThreeReg<dag oops, dag iops, InstrItinClass itin, string opc, string asm, list<dag> pattern> : T2I<oops, iops, itin, opc, asm, pattern> { @@ -678,18 +741,20 @@ multiclass T2I_rbin_s_is<bits<4> opcod, string opc, PatFrag opnode> { // rotate operation that produces a value. multiclass T2I_sh_ir<bits<2> opcod, string opc, PatFrag opnode> { // 5-bit imm - def ri : T2sI<(outs rGPR:$dst), (ins rGPR:$lhs, i32imm:$rhs), IIC_iMOVsi, - opc, ".w\t$dst, $lhs, $rhs", - [(set rGPR:$dst, (opnode rGPR:$lhs, imm1_31:$rhs))]> { + def ri : T2sTwoRegShiftImm< + (outs rGPR:$Rd), (ins rGPR:$Rm, i32imm:$imm), IIC_iMOVsi, + opc, ".w\t$Rd, $Rm, $imm", + [(set rGPR:$Rd, (opnode rGPR:$Rm, imm1_31:$imm))]> { 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 rGPR:$dst), (ins rGPR:$lhs, rGPR:$rhs), IIC_iMOVsr, - opc, ".w\t$dst, $lhs, $rhs", - [(set rGPR:$dst, (opnode rGPR:$lhs, rGPR:$rhs))]> { + def rr : T2sThreeReg< + (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm), IIC_iMOVsr, + opc, ".w\t$Rd, $Rn, $Rm", + [(set rGPR:$Rd, (opnode rGPR:$Rn, rGPR:$Rm))]> { let Inst{31-27} = 0b11111; let Inst{26-23} = 0b0100; let Inst{22-21} = opcod; @@ -706,9 +771,10 @@ multiclass T2I_cmp_irs<bits<4> opcod, string opc, InstrItinClass iii, InstrItinClass iir, InstrItinClass iis, PatFrag opnode> { // shifted imm - def ri : T2I<(outs), (ins GPR:$lhs, t2_so_imm:$rhs), iii, - opc, ".w\t$lhs, $rhs", - [(opnode GPR:$lhs, t2_so_imm:$rhs)]> { + def ri : T2OneRegCmpImm< + (outs), (ins GPR:$Rn, t2_so_imm:$imm), iii, + opc, ".w\t$Rn, $imm", + [(opnode GPR:$Rn, t2_so_imm:$imm)]> { let Inst{31-27} = 0b11110; let Inst{25} = 0; let Inst{24-21} = opcod; @@ -717,7 +783,8 @@ multiclass T2I_cmp_irs<bits<4> opcod, string opc, let Inst{11-8} = 0b1111; // Rd } // register - def rr : T2I<(outs), (ins GPR:$lhs, rGPR:$rhs), iir, + def rr : T2TwoRegCmp< + (outs), (ins GPR:$lhs, rGPR:$rhs), iir, opc, ".w\t$lhs, $rhs", [(opnode GPR:$lhs, rGPR:$rhs)]> { let Inst{31-27} = 0b11101; @@ -730,9 +797,10 @@ multiclass T2I_cmp_irs<bits<4> opcod, string opc, let Inst{5-4} = 0b00; // type } // shifted register - def rs : T2I<(outs), (ins GPR:$lhs, t2_so_reg:$rhs), iis, - opc, ".w\t$lhs, $rhs", - [(opnode GPR:$lhs, t2_so_reg:$rhs)]> { + def rs : T2OneRegCmpShiftedReg< + (outs), (ins GPR:$Rn, t2_so_reg:$ShiftedRm), iis, + opc, ".w\t$Rn, $ShiftedRm", + [(opnode GPR:$Rn, t2_so_reg:$ShiftedRm)]> { let Inst{31-27} = 0b11101; let Inst{26-25} = 0b01; let Inst{24-21} = opcod; @@ -1857,9 +1925,10 @@ def t2RRX : T2sI<(outs rGPR:$dst), (ins rGPR:$src), IIC_iMOVsi, } let Defs = [CPSR] in { -def t2MOVsrl_flag : T2I<(outs rGPR:$dst), (ins rGPR:$src), IIC_iMOVsi, - "lsrs", ".w\t$dst, $src, #1", - [(set rGPR:$dst, (ARMsrl_flag rGPR:$src))]> { +def t2MOVsrl_flag : T2TwoRegShiftImm< + (outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iMOVsi, + "lsrs", ".w\t$Rd, $Rm, #1", + [(set rGPR:$Rd, (ARMsrl_flag rGPR:$Rm))]> { let Inst{31-27} = 0b11101; let Inst{26-25} = 0b01; let Inst{24-21} = 0b0010; @@ -1870,9 +1939,10 @@ def t2MOVsrl_flag : T2I<(outs rGPR:$dst), (ins rGPR:$src), IIC_iMOVsi, let Inst{14-12} = 0b000; let Inst{7-6} = 0b01; } -def t2MOVsra_flag : T2I<(outs rGPR:$dst), (ins rGPR:$src), IIC_iMOVsi, - "asrs", ".w\t$dst, $src, #1", - [(set rGPR:$dst, (ARMsra_flag rGPR:$src))]> { +def t2MOVsra_flag : T2TwoRegShiftImm< + (outs rGPR:$Rd), (ins rGPR:$Rm), IIC_iMOVsi, + "asrs", ".w\t$Rd, $Rm, #1", + [(set rGPR:$Rd, (ARMsra_flag rGPR:$Rm))]> { let Inst{31-27} = 0b11101; let Inst{26-25} = 0b01; let Inst{24-21} = 0b0010; @@ -2498,7 +2568,7 @@ def t2MVNCCi : T2I<(outs rGPR:$dst), (ins rGPR:$false, t2_so_imm:$true), 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> { + : T2TwoRegShiftImm<oops, iops, itin, opc, asm, pattern> { let Inst{31-27} = 0b11101; let Inst{26-25} = 0b01; let Inst{24-21} = 0b0010; @@ -2506,22 +2576,22 @@ class T2I_movcc_sh<bits<2> opcod, dag oops, dag iops, InstrItinClass itin, let Inst{19-16} = 0b1111; // Rn let Inst{5-4} = opcod; // Shift type. } -def t2MOVCClsl : T2I_movcc_sh<0b00, (outs rGPR:$dst), - (ins rGPR:$false, rGPR:$true, i32imm:$rhs), - IIC_iCMOVsi, "lsl", ".w\t$dst, $true, $rhs", []>, - RegConstraint<"$false = $dst">; -def t2MOVCClsr : T2I_movcc_sh<0b01, (outs rGPR:$dst), - (ins rGPR:$false, rGPR:$true, i32imm:$rhs), - IIC_iCMOVsi, "lsr", ".w\t$dst, $true, $rhs", []>, - RegConstraint<"$false = $dst">; -def t2MOVCCasr : T2I_movcc_sh<0b10, (outs rGPR:$dst), - (ins rGPR:$false, rGPR:$true, i32imm:$rhs), - IIC_iCMOVsi, "asr", ".w\t$dst, $true, $rhs", []>, - RegConstraint<"$false = $dst">; -def t2MOVCCror : T2I_movcc_sh<0b11, (outs rGPR:$dst), - (ins rGPR:$false, rGPR:$true, i32imm:$rhs), - IIC_iCMOVsi, "ror", ".w\t$dst, $true, $rhs", []>, - RegConstraint<"$false = $dst">; +def t2MOVCClsl : T2I_movcc_sh<0b00, (outs rGPR:$Rd), + (ins rGPR:$false, rGPR:$Rm, i32imm:$imm), + IIC_iCMOVsi, "lsl", ".w\t$Rd, $Rm, $imm", []>, + RegConstraint<"$false = $Rd">; +def t2MOVCClsr : T2I_movcc_sh<0b01, (outs rGPR:$Rd), + (ins rGPR:$false, rGPR:$Rm, i32imm:$imm), + IIC_iCMOVsi, "lsr", ".w\t$Rd, $Rm, $imm", []>, + RegConstraint<"$false = $Rd">; +def t2MOVCCasr : T2I_movcc_sh<0b10, (outs rGPR:$Rd), + (ins rGPR:$false, rGPR:$Rm, i32imm:$imm), + IIC_iCMOVsi, "asr", ".w\t$Rd, $Rm, $imm", []>, + RegConstraint<"$false = $Rd">; +def t2MOVCCror : T2I_movcc_sh<0b11, (outs rGPR:$Rd), + (ins rGPR:$false, rGPR:$Rm, i32imm:$imm), + IIC_iCMOVsi, "ror", ".w\t$Rd, $Rm, $imm", []>, + RegConstraint<"$false = $Rd">; } // neverHasSideEffects //===----------------------------------------------------------------------===// |