diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 42 | ||||
| -rw-r--r-- | lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 8 |
2 files changed, 39 insertions, 11 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index b696bccefd..74167d0e49 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -2804,23 +2804,25 @@ defm STRHT : AI3strT<0b1011, "strht">; // Load / store multiple Instructions. // -multiclass arm_ldst_mult<string asm, bit L_bit, Format f, +multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f, InstrItinClass itin, InstrItinClass itin_upd> { // IA is the default, so no need for an explicit suffix on the // mnemonic here. Without it is the cannonical spelling. def IA : AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops), IndexModeNone, f, itin, - !strconcat(asm, "${p}\t$Rn, $regs"), "", []> { + !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> { let Inst{24-23} = 0b01; // Increment After + let Inst{22} = P_bit; let Inst{21} = 0; // No writeback let Inst{20} = L_bit; } def IA_UPD : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops), IndexModeUpd, f, itin_upd, - !strconcat(asm, "${p}\t$Rn!, $regs"), "$Rn = $wb", []> { + !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> { let Inst{24-23} = 0b01; // Increment After + let Inst{22} = P_bit; let Inst{21} = 1; // Writeback let Inst{20} = L_bit; @@ -2829,16 +2831,18 @@ multiclass arm_ldst_mult<string asm, bit L_bit, Format f, def DA : AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops), IndexModeNone, f, itin, - !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> { + !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> { let Inst{24-23} = 0b00; // Decrement After + let Inst{22} = P_bit; let Inst{21} = 0; // No writeback let Inst{20} = L_bit; } def DA_UPD : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops), IndexModeUpd, f, itin_upd, - !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> { + !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> { let Inst{24-23} = 0b00; // Decrement After + let Inst{22} = P_bit; let Inst{21} = 1; // Writeback let Inst{20} = L_bit; @@ -2847,16 +2851,18 @@ multiclass arm_ldst_mult<string asm, bit L_bit, Format f, def DB : AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops), IndexModeNone, f, itin, - !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> { + !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> { let Inst{24-23} = 0b10; // Decrement Before + let Inst{22} = P_bit; let Inst{21} = 0; // No writeback let Inst{20} = L_bit; } def DB_UPD : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops), IndexModeUpd, f, itin_upd, - !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> { + !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> { let Inst{24-23} = 0b10; // Decrement Before + let Inst{22} = P_bit; let Inst{21} = 1; // Writeback let Inst{20} = L_bit; @@ -2865,16 +2871,18 @@ multiclass arm_ldst_mult<string asm, bit L_bit, Format f, def IB : AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops), IndexModeNone, f, itin, - !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> { + !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> { let Inst{24-23} = 0b11; // Increment Before + let Inst{22} = P_bit; let Inst{21} = 0; // No writeback let Inst{20} = L_bit; } def IB_UPD : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops), IndexModeUpd, f, itin_upd, - !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> { + !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> { let Inst{24-23} = 0b11; // Increment Before + let Inst{22} = P_bit; let Inst{21} = 1; // Writeback let Inst{20} = L_bit; @@ -2885,10 +2893,12 @@ multiclass arm_ldst_mult<string asm, bit L_bit, Format f, let neverHasSideEffects = 1 in { let mayLoad = 1, hasExtraDefRegAllocReq = 1 in -defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>; +defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m, + IIC_iLoad_mu>; let mayStore = 1, hasExtraSrcRegAllocReq = 1 in -defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>; +defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m, + IIC_iStore_mu>; } // neverHasSideEffects @@ -2902,6 +2912,16 @@ def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>, RegConstraint<"$Rn = $wb">; +let mayLoad = 1, hasExtraDefRegAllocReq = 1 in +defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m, + IIC_iLoad_mu>; + +let mayStore = 1, hasExtraSrcRegAllocReq = 1 in +defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m, + IIC_iStore_mu>; + + + //===----------------------------------------------------------------------===// // Move Instructions. // diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index 643ba71ac5..745fa89772 100644 --- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -2666,7 +2666,15 @@ parseRegisterList(SmallVectorImpl<MCParsedAsmOperand*> &Operands) { return Error(E, "'}' expected"); Parser.Lex(); // Eat '}' token. + // Push the register list operand. Operands.push_back(ARMOperand::CreateRegList(Registers, S, E)); + + // The ARM system instruction variants for LDM/STM have a '^' token here. + if (Parser.getTok().is(AsmToken::Caret)) { + Operands.push_back(ARMOperand::CreateToken("^",Parser.getTok().getLoc())); + Parser.Lex(); // Eat '^' token. + } + return false; } |