}
-/// AsI1_rbin_s_is - Same as AsI1_rbin_s_is except it sets 's' bit by default.
+/// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
///
/// These opcodes will be converted to the real non-S opcodes by
-/// AdjustInstrPostInstrSelection after giving then an optional CPSR operand.
-let hasPostISelHook = 1, isCodeGenOnly = 1, isPseudo = 1, Defs = [CPSR] in {
-multiclass AsI1_rbin_s_is<bits<4> opcod, string opc,
- InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
- PatFrag opnode, bit Commutable = 0> {
- def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
- iii, opc, "\t$Rd, $Rn, $imm",
- [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>;
-
- def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
- iir, opc, "\t$Rd, $Rn, $Rm",
- [/* pattern left blank */]>;
-
- def rsi : AsI1<opcod, (outs GPR:$Rd),
- (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
- iis, opc, "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn))]>;
-
- def rsr : AsI1<opcod, (outs GPR:$Rd),
- (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
- iis, opc, "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn))]> {
- bits<4> Rd;
- bits<4> Rn;
- bits<12> shift;
- let Inst{25} = 0;
- let Inst{19-16} = Rn;
- let Inst{15-12} = Rd;
- let Inst{11-8} = shift{11-8};
- let Inst{7} = 0;
- let Inst{6-5} = shift{6-5};
- let Inst{4} = 1;
- let Inst{3-0} = shift{3-0};
+/// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
+let hasPostISelHook = 1, Defs = [CPSR] in {
+multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
+ InstrItinClass iis, PatFrag opnode,
+ bit Commutable = 0> {
+ def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
+ 4, iii,
+ [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>;
+
+ def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
+ 4, iir,
+ [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]> {
+ let isCommutable = Commutable;
}
+ def rsi : ARMPseudoInst<(outs GPR:$Rd),
+ (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
+ 4, iis,
+ [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
+ so_reg_imm:$shift))]>;
+
+ def rsr : ARMPseudoInst<(outs GPR:$Rd),
+ (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
+ 4, iis,
+ [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
+ so_reg_reg:$shift))]>;
}
}
-/// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
-///
-/// These opcodes will be converted to the real non-S opcodes by
-/// AdjustInstrPostInstrSelection after giving then an optional CPSR operand.
-let hasPostISelHook = 1, isCodeGenOnly = 1, isPseudo = 1, Defs = [CPSR] in {
-multiclass AsI1_bin_s_irs<bits<4> opcod, string opc,
- InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
- PatFrag opnode, bit Commutable = 0> {
- def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
- iii, opc, "\t$Rd, $Rn, $imm",
- [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>;
- def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
- iir, opc, "\t$Rd, $Rn, $Rm",
- [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>;
- def rsi : AsI1<opcod, (outs GPR:$Rd),
- (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
- iis, opc, "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift))]>;
+/// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
+/// operands are reversed.
+let hasPostISelHook = 1, Defs = [CPSR] in {
+multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
+ InstrItinClass iis, PatFrag opnode,
+ bit Commutable = 0> {
+ def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
+ 4, iii,
+ [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>;
- def rsr : AsI1<opcod, (outs GPR:$Rd),
- (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
- iis, opc, "\t$Rd, $Rn, $shift",
- [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_reg:$shift))]>;
+ def rsi : ARMPseudoInst<(outs GPR:$Rd),
+ (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
+ 4, iis,
+ [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
+ GPR:$Rn))]>;
+
+ def rsr : ARMPseudoInst<(outs GPR:$Rd),
+ (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
+ 4, iis,
+ [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
+ GPR:$Rn))]>;
}
}
let Inst{15-12} = Rd;
}
-def : ARMInstAlias<"movs${p} $Rd, $Rm",
+def : ARMInstAlias<"movs${p} $Rd, $Rm",
(MOVr GPR:$Rd, GPR:$Rm, pred:$p, CPSR)>;
// A version for the smaller set of tail call registers.
// ADD and SUB with 's' bit set.
//
-// Currently, t2ADDS/t2SUBS are pseudo opcodes that exist only in the
-// selection DAG. They are "lowered" to real t2ADD/t2SUB opcodes by
+// Currently, ADDS/SUBS are pseudo opcodes that exist only in the
+// selection DAG. They are "lowered" to real ADD/SUB opcodes by
// AdjustInstrPostInstrSelection where we determine whether or not to
// set the "s" bit based on CPSR liveness.
//
-// FIXME: Eliminate t2ADDS/t2SUBS pseudo opcodes after adding tablegen
+// FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
// support for an optional CPSR definition that corresponds to the DAG
// node's second value. We can then eliminate the implicit def of CPSR.
-defm ADDS : AsI1_bin_s_irs<0b0100, "add",
- IIC_iALUi, IIC_iALUr, IIC_iALUsr,
- BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
-defm SUBS : AsI1_bin_s_irs<0b0010, "sub",
- IIC_iALUi, IIC_iALUr, IIC_iALUsr,
- BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
+defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
+ BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
+defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
+ BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
defm ADC : AI1_adde_sube_irs<0b0101, "adc",
BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>,
// FIXME: Eliminate them if we can write def : Pat patterns which defines
// CPSR and the implicit def of CPSR is not needed.
-defm RSBS : AsI1_rbin_s_is<0b0011, "rsb",
- IIC_iALUi, IIC_iALUr, IIC_iALUsr,
- BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
+defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
+ BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
defm RSC : AI1_rsc_irs<0b0111, "rsc",
BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>,
projects / oota-llvm.git / blobdiff