//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Chris Lattner and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
def ARMtcall : SDNode<"ARMISD::tCALL", SDT_ARMcall,
[SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
-// TI - Thumb instruction.
-
-// ThumbPat - Same as Pat<>, but requires that the compiler be in Thumb mode.
-class ThumbPat<dag pattern, dag result> : Pat<pattern, result> {
- list<Predicate> Predicates = [IsThumb];
-}
-
-class ThumbV5Pat<dag pattern, dag result> : Pat<pattern, result> {
- list<Predicate> Predicates = [IsThumb, HasV5T];
-}
-
-class ThumbI<dag ops, AddrMode am, SizeFlagVal sz,
- string asm, string cstr, list<dag> pattern>
- // FIXME: Set all opcodes to 0 for now.
- : InstARM<0, am, sz, IndexModeNone, ops, asm, cstr> {
- let Pattern = pattern;
- list<Predicate> Predicates = [IsThumb];
-}
-
-class TI<dag ops, string asm, list<dag> pattern>
- : ThumbI<ops, AddrModeNone, Size2Bytes, asm, "", pattern>;
-class TI1<dag ops, string asm, list<dag> pattern>
- : ThumbI<ops, AddrModeT1, Size2Bytes, asm, "", pattern>;
-class TI2<dag ops, string asm, list<dag> pattern>
- : ThumbI<ops, AddrModeT2, Size2Bytes, asm, "", pattern>;
-class TI4<dag ops, string asm, list<dag> pattern>
- : ThumbI<ops, AddrModeT4, Size2Bytes, asm, "", pattern>;
-class TIs<dag ops, string asm, list<dag> pattern>
- : ThumbI<ops, AddrModeTs, Size2Bytes, asm, "", pattern>;
-
-// Two-address instructions
-class TIt<dag ops, string asm, list<dag> pattern>
- : ThumbI<ops, AddrModeNone, Size2Bytes, asm, "$lhs = $dst", pattern>;
-
-// BL, BLX(1) are translated by assembler into two instructions
-class TIx2<dag ops, string asm, list<dag> pattern>
- : ThumbI<ops, AddrModeNone, Size4Bytes, asm, "", pattern>;
-
-// BR_JT instructions
-class TJTI<dag ops, string asm, list<dag> pattern>
- : ThumbI<ops, AddrModeNone, SizeSpecial, asm, "", pattern>;
-
def imm_neg_XFORM : SDNodeXForm<imm, [{
- return CurDAG->getTargetConstant(-(int)N->getValue(), MVT::i32);
+ return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
}]>;
def imm_comp_XFORM : SDNodeXForm<imm, [{
- return CurDAG->getTargetConstant(~((uint32_t)N->getValue()), MVT::i32);
+ return CurDAG->getTargetConstant(~((uint32_t)N->getZExtValue()), MVT::i32);
}]>;
/// imm0_7 predicate - True if the 32-bit immediate is in the range [0,7].
def imm0_7 : PatLeaf<(i32 imm), [{
- return (uint32_t)N->getValue() < 8;
+ return (uint32_t)N->getZExtValue() < 8;
}]>;
def imm0_7_neg : PatLeaf<(i32 imm), [{
- return (uint32_t)-N->getValue() < 8;
+ return (uint32_t)-N->getZExtValue() < 8;
}], imm_neg_XFORM>;
def imm0_255 : PatLeaf<(i32 imm), [{
- return (uint32_t)N->getValue() < 256;
+ return (uint32_t)N->getZExtValue() < 256;
}]>;
def imm0_255_comp : PatLeaf<(i32 imm), [{
- return ~((uint32_t)N->getValue()) < 256;
+ return ~((uint32_t)N->getZExtValue()) < 256;
}]>;
def imm8_255 : PatLeaf<(i32 imm), [{
- return (uint32_t)N->getValue() >= 8 && (uint32_t)N->getValue() < 256;
+ return (uint32_t)N->getZExtValue() >= 8 && (uint32_t)N->getZExtValue() < 256;
}]>;
def imm8_255_neg : PatLeaf<(i32 imm), [{
- unsigned Val = -N->getValue();
+ unsigned Val = -N->getZExtValue();
return Val >= 8 && Val < 256;
}], imm_neg_XFORM>;
// This uses thumb_immshifted to match and thumb_immshifted_val and
// thumb_immshifted_shamt to get the val/shift pieces.
def thumb_immshifted : PatLeaf<(imm), [{
- return ARM_AM::isThumbImmShiftedVal((unsigned)N->getValue());
+ return ARM_AM::isThumbImmShiftedVal((unsigned)N->getZExtValue());
}]>;
def thumb_immshifted_val : SDNodeXForm<imm, [{
- unsigned V = ARM_AM::getThumbImmNonShiftedVal((unsigned)N->getValue());
+ unsigned V = ARM_AM::getThumbImmNonShiftedVal((unsigned)N->getZExtValue());
return CurDAG->getTargetConstant(V, MVT::i32);
}]>;
def thumb_immshifted_shamt : SDNodeXForm<imm, [{
- unsigned V = ARM_AM::getThumbImmValShift((unsigned)N->getValue());
+ unsigned V = ARM_AM::getThumbImmValShift((unsigned)N->getZExtValue());
return CurDAG->getTargetConstant(V, MVT::i32);
}]>;
def t_addrmode_rr : Operand<i32>,
ComplexPattern<i32, 2, "SelectThumbAddrModeRR", []> {
let PrintMethod = "printThumbAddrModeRROperand";
- let MIOperandInfo = (ops GPR:$base, GPR:$offsreg);
+ let MIOperandInfo = (ops tGPR:$base, tGPR:$offsreg);
}
// t_addrmode_s4 := reg + reg
def t_addrmode_s4 : Operand<i32>,
ComplexPattern<i32, 3, "SelectThumbAddrModeS4", []> {
let PrintMethod = "printThumbAddrModeS4Operand";
- let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
+ let MIOperandInfo = (ops tGPR:$base, i32imm:$offsimm, tGPR:$offsreg);
}
// t_addrmode_s2 := reg + reg
def t_addrmode_s2 : Operand<i32>,
ComplexPattern<i32, 3, "SelectThumbAddrModeS2", []> {
let PrintMethod = "printThumbAddrModeS2Operand";
- let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
+ let MIOperandInfo = (ops tGPR:$base, i32imm:$offsimm, tGPR:$offsreg);
}
// t_addrmode_s1 := reg + reg
def t_addrmode_s1 : Operand<i32>,
ComplexPattern<i32, 3, "SelectThumbAddrModeS1", []> {
let PrintMethod = "printThumbAddrModeS1Operand";
- let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
+ let MIOperandInfo = (ops tGPR:$base, i32imm:$offsimm, tGPR:$offsreg);
}
// t_addrmode_sp := sp + imm8 * 4
def t_addrmode_sp : Operand<i32>,
ComplexPattern<i32, 2, "SelectThumbAddrModeSP", []> {
let PrintMethod = "printThumbAddrModeSPOperand";
- let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
+ let MIOperandInfo = (ops tGPR:$base, i32imm:$offsimm);
}
//===----------------------------------------------------------------------===//
// Miscellaneous Instructions.
//
-def tPICADD : TIt<(ops GPR:$dst, GPR:$lhs, pclabel:$cp),
- "\n$cp:\n\tadd $dst, pc",
- [(set GPR:$dst, (ARMpic_add GPR:$lhs, imm:$cp))]>;
+let Defs = [SP], Uses = [SP] in {
+def tADJCALLSTACKUP :
+PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2),
+ "@ tADJCALLSTACKUP $amt1",
+ [(ARMcallseq_end imm:$amt1, imm:$amt2)]>, Requires<[IsThumb]>;
+
+def tADJCALLSTACKDOWN :
+PseudoInst<(outs), (ins i32imm:$amt),
+ "@ tADJCALLSTACKDOWN $amt",
+ [(ARMcallseq_start imm:$amt)]>, Requires<[IsThumb]>;
+}
+
+let isNotDuplicable = 1 in
+def tPICADD : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, pclabel:$cp),
+ "$cp:\n\tadd $dst, pc",
+ [(set tGPR:$dst, (ARMpic_add tGPR:$lhs, imm:$cp))]>;
+
+// PC relative add.
+def tADDrPCi : T1I<(outs tGPR:$dst), (ins i32imm:$rhs),
+ "add $dst, pc, $rhs * 4", []>;
+
+// ADD rd, sp, #imm8
+// FIXME: hard code sp?
+def tADDrSPi : T1I<(outs tGPR:$dst), (ins GPR:$sp, i32imm:$rhs),
+ "add $dst, $sp, $rhs * 4 @ addrspi", []>;
+
+// ADD sp, sp, #imm7
+// FIXME: hard code sp?
+def tADDspi : T1It<(outs GPR:$dst), (ins GPR:$lhs, i32imm:$rhs),
+ "add $dst, $rhs * 4", []>;
+
+// FIXME: Make use of the following?
+// ADD rm, sp, rm
+// ADD sp, rm
//===----------------------------------------------------------------------===//
// Control Flow Instructions.
//
-let isReturn = 1, isTerminator = 1 in
- def tBX_RET : TI<(ops), "bx lr", [(ARMretflag)]>;
+let isReturn = 1, isTerminator = 1 in {
+ def tBX_RET : TI<(outs), (ins), "bx lr", [(ARMretflag)]>;
+ // Alternative return instruction used by vararg functions.
+ def tBX_RET_vararg : TI<(outs), (ins tGPR:$target), "bx $target", []>;
+}
// FIXME: remove when we have a way to marking a MI with these properties.
-let isLoad = 1, isReturn = 1, isTerminator = 1 in
-def tPOP_RET : TI<(ops reglist:$dst1, variable_ops),
+let isReturn = 1, isTerminator = 1 in
+def tPOP_RET : TI<(outs reglist:$dst1, variable_ops), (ins),
"pop $dst1", []>;
-let isCall = 1, noResults = 1,
+let isCall = 1,
Defs = [R0, R1, R2, R3, LR,
D0, D1, D2, D3, D4, D5, D6, D7] in {
- def tBL : TIx2<(ops i32imm:$func, variable_ops),
+ def tBL : TIx2<(outs), (ins i32imm:$func, variable_ops),
"bl ${func:call}",
[(ARMtcall tglobaladdr:$func)]>;
// ARMv5T and above
- def tBLXi : TIx2<(ops i32imm:$func, variable_ops),
+ def tBLXi : TIx2<(outs), (ins i32imm:$func, variable_ops),
"blx ${func:call}",
[(ARMcall tglobaladdr:$func)]>, Requires<[HasV5T]>;
- def tBLXr : TI<(ops GPR:$dst, variable_ops),
- "blx $dst",
- [(ARMtcall GPR:$dst)]>, Requires<[HasV5T]>;
+ def tBLXr : TI<(outs), (ins tGPR:$func, variable_ops),
+ "blx $func",
+ [(ARMtcall tGPR:$func)]>, Requires<[HasV5T]>;
// ARMv4T
- def tBX : TIx2<(ops GPR:$dst, variable_ops),
- "cpy lr, pc\n\tbx $dst",
- [(ARMcall_nolink GPR:$dst)]>;
+ def tBX : TIx2<(outs), (ins tGPR:$func, variable_ops),
+ "cpy lr, pc\n\tbx $func",
+ [(ARMcall_nolink tGPR:$func)]>;
}
-let isBranch = 1, isTerminator = 1, isBarrier = 1 in {
- def tB : TI<(ops brtarget:$dst), "b $dst", [(br bb:$dst)]>;
+let isBranch = 1, isTerminator = 1 in {
+ let isBarrier = 1 in {
+ let isPredicable = 1 in
+ def tB : TI<(outs), (ins brtarget:$target), "b $target",
+ [(br bb:$target)]>;
- def tBR_JTr : TJTI<(ops GPR:$dst, jtblock_operand:$jt, i32imm:$id),
- "cpy pc, $dst \n\t.align\t2\n$jt",
- [(ARMbrjt GPR:$dst, tjumptable:$jt, imm:$id)]>;
+ // Far jump
+ def tBfar : TIx2<(outs), (ins brtarget:$target), "bl $target\t@ far jump",[]>;
+
+ def tBR_JTr : TJTI<(outs),
+ (ins tGPR:$target, jtblock_operand:$jt, i32imm:$id),
+ "cpy pc, $target \n\t.align\t2\n$jt",
+ [(ARMbrjt tGPR:$target, tjumptable:$jt, imm:$id)]>;
+ }
}
-let isBranch = 1, isTerminator = 1, noResults = 1, isBarrier = 1 in
- def tBcc : TI<(ops brtarget:$dst, CCOp:$cc), "b$cc $dst",
- [(ARMbrcond bb:$dst, imm:$cc)]>;
+// FIXME: should be able to write a pattern for ARMBrcond, but can't use
+// a two-value operand where a dag node expects two operands. :(
+let isBranch = 1, isTerminator = 1 in
+ def tBcc : TI<(outs), (ins brtarget:$target, pred:$cc), "b$cc $target",
+ [/*(ARMbrcond bb:$target, imm:$cc)*/]>;
//===----------------------------------------------------------------------===//
// Load Store Instructions.
//
-let isLoad = 1 in {
-def tLDR : TI4<(ops GPR:$dst, t_addrmode_s4:$addr),
+let canFoldAsLoad = 1 in
+def tLDR : TI4<(outs tGPR:$dst), (ins t_addrmode_s4:$addr),
"ldr $dst, $addr",
- [(set GPR:$dst, (load t_addrmode_s4:$addr))]>;
+ [(set tGPR:$dst, (load t_addrmode_s4:$addr))]>;
-def tLDRB : TI1<(ops GPR:$dst, t_addrmode_s1:$addr),
+def tLDRB : TI1<(outs tGPR:$dst), (ins t_addrmode_s1:$addr),
"ldrb $dst, $addr",
- [(set GPR:$dst, (zextloadi8 t_addrmode_s1:$addr))]>;
+ [(set tGPR:$dst, (zextloadi8 t_addrmode_s1:$addr))]>;
-def tLDRH : TI2<(ops GPR:$dst, t_addrmode_s2:$addr),
+def tLDRH : TI2<(outs tGPR:$dst), (ins t_addrmode_s2:$addr),
"ldrh $dst, $addr",
- [(set GPR:$dst, (zextloadi16 t_addrmode_s2:$addr))]>;
+ [(set tGPR:$dst, (zextloadi16 t_addrmode_s2:$addr))]>;
-def tLDRSB : TI1<(ops GPR:$dst, t_addrmode_rr:$addr),
+def tLDRSB : TI1<(outs tGPR:$dst), (ins t_addrmode_rr:$addr),
"ldrsb $dst, $addr",
- [(set GPR:$dst, (sextloadi8 t_addrmode_rr:$addr))]>;
+ [(set tGPR:$dst, (sextloadi8 t_addrmode_rr:$addr))]>;
-def tLDRSH : TI2<(ops GPR:$dst, t_addrmode_rr:$addr),
+def tLDRSH : TI2<(outs tGPR:$dst), (ins t_addrmode_rr:$addr),
"ldrsh $dst, $addr",
- [(set GPR:$dst, (sextloadi16 t_addrmode_rr:$addr))]>;
+ [(set tGPR:$dst, (sextloadi16 t_addrmode_rr:$addr))]>;
-def tLDRspi : TIs<(ops GPR:$dst, t_addrmode_sp:$addr),
+let canFoldAsLoad = 1 in
+def tLDRspi : TIs<(outs tGPR:$dst), (ins t_addrmode_sp:$addr),
"ldr $dst, $addr",
- [(set GPR:$dst, (load t_addrmode_sp:$addr))]>;
+ [(set tGPR:$dst, (load t_addrmode_sp:$addr))]>;
+
+// Special instruction for restore. It cannot clobber condition register
+// when it's expanded by eliminateCallFramePseudoInstr().
+let canFoldAsLoad = 1, mayLoad = 1 in
+def tRestore : TIs<(outs tGPR:$dst), (ins t_addrmode_sp:$addr),
+ "ldr $dst, $addr", []>;
// Load tconstpool
-def tLDRpci : TIs<(ops GPR:$dst, i32imm:$addr),
+let canFoldAsLoad = 1 in
+def tLDRpci : TIs<(outs tGPR:$dst), (ins i32imm:$addr),
"ldr $dst, $addr",
- [(set GPR:$dst, (load (ARMWrapper tconstpool:$addr)))]>;
-} // isLoad
+ [(set tGPR:$dst, (load (ARMWrapper tconstpool:$addr)))]>;
-let isStore = 1 in {
-def tSTR : TI4<(ops GPR:$src, t_addrmode_s4:$addr),
+// Special LDR for loads from non-pc-relative constpools.
+let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1 in
+def tLDRcp : TIs<(outs tGPR:$dst), (ins i32imm:$addr),
+ "ldr $dst, $addr", []>;
+
+def tSTR : TI4<(outs), (ins tGPR:$src, t_addrmode_s4:$addr),
"str $src, $addr",
- [(store GPR:$src, t_addrmode_s4:$addr)]>;
+ [(store tGPR:$src, t_addrmode_s4:$addr)]>;
-def tSTRB : TI1<(ops GPR:$src, t_addrmode_s1:$addr),
+def tSTRB : TI1<(outs), (ins tGPR:$src, t_addrmode_s1:$addr),
"strb $src, $addr",
- [(truncstorei8 GPR:$src, t_addrmode_s1:$addr)]>;
+ [(truncstorei8 tGPR:$src, t_addrmode_s1:$addr)]>;
-def tSTRH : TI2<(ops GPR:$src, t_addrmode_s2:$addr),
+def tSTRH : TI2<(outs), (ins tGPR:$src, t_addrmode_s2:$addr),
"strh $src, $addr",
- [(truncstorei16 GPR:$src, t_addrmode_s2:$addr)]>;
+ [(truncstorei16 tGPR:$src, t_addrmode_s2:$addr)]>;
-def tSTRspi : TIs<(ops GPR:$src, t_addrmode_sp:$addr),
+def tSTRspi : TIs<(outs), (ins tGPR:$src, t_addrmode_sp:$addr),
"str $src, $addr",
- [(store GPR:$src, t_addrmode_sp:$addr)]>;
+ [(store tGPR:$src, t_addrmode_sp:$addr)]>;
+
+let mayStore = 1 in {
+// Special instruction for spill. It cannot clobber condition register
+// when it's expanded by eliminateCallFramePseudoInstr().
+def tSpill : TIs<(outs), (ins tGPR:$src, t_addrmode_sp:$addr),
+ "str $src, $addr", []>;
}
//===----------------------------------------------------------------------===//
// TODO: A7-44: LDMIA - load multiple
-let isLoad = 1 in
-def tPOP : TI<(ops reglist:$dst1, variable_ops),
+let mayLoad = 1 in
+def tPOP : TI<(outs reglist:$dst1, variable_ops), (ins),
"pop $dst1", []>;
-let isStore = 1 in
-def tPUSH : TI<(ops reglist:$src1, variable_ops),
+let mayStore = 1 in
+def tPUSH : TI<(outs), (ins reglist:$src1, variable_ops),
"push $src1", []>;
//===----------------------------------------------------------------------===//
// Arithmetic Instructions.
//
-// Add with carry
-def tADC : TIt<(ops GPR:$dst, GPR:$lhs, GPR:$rhs),
- "adc $dst, $rhs",
- [(set GPR:$dst, (adde GPR:$lhs, GPR:$rhs))]>;
+// Add with carry register
+let isCommutable = 1, Defs = [CPSR], Uses = [CPSR] in
+def tADCS : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
+ "adc $dst, $rhs",
+ [(set tGPR:$dst, (adde tGPR:$lhs, tGPR:$rhs))]>;
-def tADDS : TI<(ops GPR:$dst, GPR:$lhs, GPR:$rhs),
- "adds $dst, $lhs, $rhs",
- [(set GPR:$dst, (addc GPR:$lhs, GPR:$rhs))]>;
-
-
-def tADDi3 : TI<(ops GPR:$dst, GPR:$lhs, i32imm:$rhs),
+// Add immediate
+let Defs = [CPSR] in {
+def tADDi3 : T1I<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
"add $dst, $lhs, $rhs",
- [(set GPR:$dst, (add GPR:$lhs, imm0_7:$rhs))]>;
+ [(set tGPR:$dst, (add tGPR:$lhs, imm0_7:$rhs))]>;
+def tADDSi3 : T1I<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
+ "add $dst, $lhs, $rhs",
+ [(set tGPR:$dst, (addc tGPR:$lhs, imm0_7:$rhs))]>;
+}
-def tADDi8 : TIt<(ops GPR:$dst, GPR:$lhs, i32imm:$rhs),
+let Defs = [CPSR] in {
+def tADDi8 : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
"add $dst, $rhs",
- [(set GPR:$dst, (add GPR:$lhs, imm8_255:$rhs))]>;
+ [(set tGPR:$dst, (add tGPR:$lhs, imm8_255:$rhs))]>;
+def tADDSi8 : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
+ "add $dst, $rhs",
+ [(set tGPR:$dst, (addc tGPR:$lhs, imm8_255:$rhs))]>;
+}
-def tADDrr : TI<(ops GPR:$dst, GPR:$lhs, GPR:$rhs),
+// Add register
+let isCommutable = 1, Defs = [CPSR] in {
+def tADDrr : T1I<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
"add $dst, $lhs, $rhs",
- [(set GPR:$dst, (add GPR:$lhs, GPR:$rhs))]>;
-
-def tADDhirr : TIt<(ops GPR:$dst, GPR:$lhs, GPR:$rhs),
- "add $dst, $rhs", []>;
+ [(set tGPR:$dst, (add tGPR:$lhs, tGPR:$rhs))]>;
+def tADDSrr : T1I<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
+ "add $dst, $lhs, $rhs",
+ [(set tGPR:$dst, (addc tGPR:$lhs, tGPR:$rhs))]>;
+}
-def tADDrPCi : TI<(ops GPR:$dst, i32imm:$rhs),
- "add $dst, pc, $rhs * 4", []>;
-def tADDrSPi : TI<(ops GPR:$dst, GPR:$sp, i32imm:$rhs),
- "add $dst, $sp, $rhs * 4", []>;
-def tADDspi : TIt<(ops GPR:$dst, GPR:$lhs, i32imm:$rhs),
- "add $dst, $rhs * 4", []>;
+let neverHasSideEffects = 1 in
+def tADDhirr : T1It<(outs tGPR:$dst), (ins GPR:$lhs, GPR:$rhs),
+ "add $dst, $rhs @ addhirr", []>;
-def tAND : TIt<(ops GPR:$dst, GPR:$lhs, GPR:$rhs),
+// And register
+let isCommutable = 1, Defs = [CPSR] in
+def tAND : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
"and $dst, $rhs",
- [(set GPR:$dst, (and GPR:$lhs, GPR:$rhs))]>;
+ [(set tGPR:$dst, (and tGPR:$lhs, tGPR:$rhs))]>;
-def tASRri : TI<(ops GPR:$dst, GPR:$lhs, i32imm:$rhs),
+// ASR immediate
+let Defs = [CPSR] in
+def tASRri : T1I<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
"asr $dst, $lhs, $rhs",
- [(set GPR:$dst, (sra GPR:$lhs, imm:$rhs))]>;
+ [(set tGPR:$dst, (sra tGPR:$lhs, (i32 imm:$rhs)))]>;
-def tASRrr : TIt<(ops GPR:$dst, GPR:$lhs, GPR:$rhs),
+// ASR register
+let Defs = [CPSR] in
+def tASRrr : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
"asr $dst, $rhs",
- [(set GPR:$dst, (sra GPR:$lhs, GPR:$rhs))]>;
+ [(set tGPR:$dst, (sra tGPR:$lhs, tGPR:$rhs))]>;
-def tBIC : TIt<(ops GPR:$dst, GPR:$lhs, GPR:$rhs),
+// BIC register
+let Defs = [CPSR] in
+def tBIC : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
"bic $dst, $rhs",
- [(set GPR:$dst, (and GPR:$lhs, (not GPR:$rhs)))]>;
+ [(set tGPR:$dst, (and tGPR:$lhs, (not tGPR:$rhs)))]>;
-
-def tCMN : TI<(ops GPR:$lhs, GPR:$rhs),
+// CMN register
+let Defs = [CPSR] in {
+def tCMN : T1I<(outs), (ins tGPR:$lhs, tGPR:$rhs),
"cmn $lhs, $rhs",
- [(ARMcmp GPR:$lhs, (ineg GPR:$rhs))]>;
+ [(ARMcmp tGPR:$lhs, (ineg tGPR:$rhs))]>;
+def tCMNNZ : T1I<(outs), (ins tGPR:$lhs, tGPR:$rhs),
+ "cmn $lhs, $rhs",
+ [(ARMcmpNZ tGPR:$lhs, (ineg tGPR:$rhs))]>;
+}
-def tCMPi8 : TI<(ops GPR:$lhs, i32imm:$rhs),
+// CMP immediate
+let Defs = [CPSR] in {
+def tCMPi8 : T1I<(outs), (ins tGPR:$lhs, i32imm:$rhs),
"cmp $lhs, $rhs",
- [(ARMcmp GPR:$lhs, imm0_255:$rhs)]>;
+ [(ARMcmp tGPR:$lhs, imm0_255:$rhs)]>;
+def tCMPNZi8 : T1I<(outs), (ins tGPR:$lhs, i32imm:$rhs),
+ "cmp $lhs, $rhs",
+ [(ARMcmpNZ tGPR:$lhs, imm0_255:$rhs)]>;
+
+}
-def tCMPr : TI<(ops GPR:$lhs, GPR:$rhs),
+// CMP register
+let Defs = [CPSR] in {
+def tCMPr : T1I<(outs), (ins tGPR:$lhs, tGPR:$rhs),
"cmp $lhs, $rhs",
- [(ARMcmp GPR:$lhs, GPR:$rhs)]>;
-
+ [(ARMcmp tGPR:$lhs, tGPR:$rhs)]>;
+def tCMPNZr : T1I<(outs), (ins tGPR:$lhs, tGPR:$rhs),
+ "cmp $lhs, $rhs",
+ [(ARMcmpNZ tGPR:$lhs, tGPR:$rhs)]>;
+}
+
// TODO: A7-37: CMP(3) - cmp hi regs
-def tEOR : TIt<(ops GPR:$dst, GPR:$lhs, GPR:$rhs),
+// XOR register
+let isCommutable = 1, Defs = [CPSR] in
+def tEOR : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
"eor $dst, $rhs",
- [(set GPR:$dst, (xor GPR:$lhs, GPR:$rhs))]>;
+ [(set tGPR:$dst, (xor tGPR:$lhs, tGPR:$rhs))]>;
-def tLSLri : TI<(ops GPR:$dst, GPR:$lhs, i32imm:$rhs),
+// LSL immediate
+let Defs = [CPSR] in
+def tLSLri : T1I<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
"lsl $dst, $lhs, $rhs",
- [(set GPR:$dst, (shl GPR:$lhs, imm:$rhs))]>;
+ [(set tGPR:$dst, (shl tGPR:$lhs, (i32 imm:$rhs)))]>;
-def tLSLrr : TIt<(ops GPR:$dst, GPR:$lhs, GPR:$rhs),
+// LSL register
+let Defs = [CPSR] in
+def tLSLrr : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
"lsl $dst, $rhs",
- [(set GPR:$dst, (shl GPR:$lhs, GPR:$rhs))]>;
+ [(set tGPR:$dst, (shl tGPR:$lhs, tGPR:$rhs))]>;
-def tLSRri : TI<(ops GPR:$dst, GPR:$lhs, i32imm:$rhs),
+// LSR immediate
+let Defs = [CPSR] in
+def tLSRri : T1I<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
"lsr $dst, $lhs, $rhs",
- [(set GPR:$dst, (srl GPR:$lhs, imm:$rhs))]>;
+ [(set tGPR:$dst, (srl tGPR:$lhs, (i32 imm:$rhs)))]>;
-def tLSRrr : TIt<(ops GPR:$dst, GPR:$lhs, GPR:$rhs),
+// LSR register
+let Defs = [CPSR] in
+def tLSRrr : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
"lsr $dst, $rhs",
- [(set GPR:$dst, (srl GPR:$lhs, GPR:$rhs))]>;
+ [(set tGPR:$dst, (srl tGPR:$lhs, tGPR:$rhs))]>;
-def tMOVri8 : TI<(ops GPR:$dst, i32imm:$src),
+// move register
+let Defs = [CPSR] in
+def tMOVi8 : T1I<(outs tGPR:$dst), (ins i32imm:$src),
"mov $dst, $src",
- [(set GPR:$dst, imm0_255:$src)]>;
+ [(set tGPR:$dst, imm0_255:$src)]>;
// TODO: A7-73: MOV(2) - mov setting flag.
// Note: MOV(2) of two low regs updates the flags, so we emit this as 'cpy',
// which is MOV(3). This also supports high registers.
-def tMOVrr : TI<(ops GPR:$dst, GPR:$src),
- "cpy $dst, $src", []>;
-
-def tMUL : TIt<(ops GPR:$dst, GPR:$lhs, GPR:$rhs),
+let neverHasSideEffects = 1 in {
+def tMOVr : T1I<(outs tGPR:$dst), (ins tGPR:$src),
+ "cpy $dst, $src", []>;
+def tMOVhir2lor : T1I<(outs tGPR:$dst), (ins GPR:$src),
+ "cpy $dst, $src\t@ hir2lor", []>;
+def tMOVlor2hir : T1I<(outs GPR:$dst), (ins tGPR:$src),
+ "cpy $dst, $src\t@ lor2hir", []>;
+def tMOVhir2hir : T1I<(outs GPR:$dst), (ins GPR:$src),
+ "cpy $dst, $src\t@ hir2hir", []>;
+} // neverHasSideEffects
+
+// multiply register
+let isCommutable = 1, Defs = [CPSR] in
+def tMUL : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
"mul $dst, $rhs",
- [(set GPR:$dst, (mul GPR:$lhs, GPR:$rhs))]>;
+ [(set tGPR:$dst, (mul tGPR:$lhs, tGPR:$rhs))]>;
-def tMVN : TI<(ops GPR:$dst, GPR:$src),
+// move inverse register
+let Defs = [CPSR] in
+def tMVN : T1I<(outs tGPR:$dst), (ins tGPR:$src),
"mvn $dst, $src",
- [(set GPR:$dst, (not GPR:$src))]>;
+ [(set tGPR:$dst, (not tGPR:$src))]>;
-def tNEG : TI<(ops GPR:$dst, GPR:$src),
+// negate register
+let Defs = [CPSR] in
+def tNEG : T1I<(outs tGPR:$dst), (ins tGPR:$src),
"neg $dst, $src",
- [(set GPR:$dst, (ineg GPR:$src))]>;
+ [(set tGPR:$dst, (ineg tGPR:$src))]>;
-def tORR : TIt<(ops GPR:$dst, GPR:$lhs, GPR:$rhs),
+// bitwise or register
+let isCommutable = 1, Defs = [CPSR] in
+def tORR : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
"orr $dst, $rhs",
- [(set GPR:$dst, (or GPR:$lhs, GPR:$rhs))]>;
-
+ [(set tGPR:$dst, (or tGPR:$lhs, tGPR:$rhs))]>;
-def tREV : TI<(ops GPR:$dst, GPR:$src),
+// swaps
+def tREV : T1I<(outs tGPR:$dst), (ins tGPR:$src),
"rev $dst, $src",
- [(set GPR:$dst, (bswap GPR:$src))]>,
+ [(set tGPR:$dst, (bswap tGPR:$src))]>,
Requires<[IsThumb, HasV6]>;
-def tREV16 : TI<(ops GPR:$dst, GPR:$src),
+def tREV16 : T1I<(outs tGPR:$dst), (ins tGPR:$src),
"rev16 $dst, $src",
- [(set GPR:$dst,
- (or (and (srl GPR:$src, 8), 0xFF),
- (or (and (shl GPR:$src, 8), 0xFF00),
- (or (and (srl GPR:$src, 8), 0xFF0000),
- (and (shl GPR:$src, 8), 0xFF000000)))))]>,
+ [(set tGPR:$dst,
+ (or (and (srl tGPR:$src, (i32 8)), 0xFF),
+ (or (and (shl tGPR:$src, (i32 8)), 0xFF00),
+ (or (and (srl tGPR:$src, (i32 8)), 0xFF0000),
+ (and (shl tGPR:$src, (i32 8)), 0xFF000000)))))]>,
Requires<[IsThumb, HasV6]>;
-def tREVSH : TI<(ops GPR:$dst, GPR:$src),
+def tREVSH : T1I<(outs tGPR:$dst), (ins tGPR:$src),
"revsh $dst, $src",
- [(set GPR:$dst,
+ [(set tGPR:$dst,
(sext_inreg
- (or (srl (and GPR:$src, 0xFFFF), 8),
- (shl GPR:$src, 8)), i16))]>,
+ (or (srl (and tGPR:$src, 0xFFFF), (i32 8)),
+ (shl tGPR:$src, (i32 8))), i16))]>,
Requires<[IsThumb, HasV6]>;
-def tROR : TIt<(ops GPR:$dst, GPR:$lhs, GPR:$rhs),
+// rotate right register
+let Defs = [CPSR] in
+def tROR : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
"ror $dst, $rhs",
- [(set GPR:$dst, (rotr GPR:$lhs, GPR:$rhs))]>;
+ [(set tGPR:$dst, (rotr tGPR:$lhs, tGPR:$rhs))]>;
-
-// Subtract with carry
-def tSBC : TIt<(ops GPR:$dst, GPR:$lhs, GPR:$rhs),
+// Subtract with carry register
+let Defs = [CPSR], Uses = [CPSR] in
+def tSBCS : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
"sbc $dst, $rhs",
- [(set GPR:$dst, (sube GPR:$lhs, GPR:$rhs))]>;
-
-def tSUBS : TI<(ops GPR:$dst, GPR:$lhs, GPR:$rhs),
- "subs $dst, $lhs, $rhs",
- [(set GPR:$dst, (subc GPR:$lhs, GPR:$rhs))]>;
+ [(set tGPR:$dst, (sube tGPR:$lhs, tGPR:$rhs))]>;
+// Subtract immediate
+let Defs = [CPSR] in {
+def tSUBi3 : T1I<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
+ "sub $dst, $lhs, $rhs",
+ [(set tGPR:$dst, (add tGPR:$lhs, imm0_7_neg:$rhs))]>;
+def tSUBSi3 : T1I<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
+ "sub $dst, $lhs, $rhs",
+ [(set tGPR:$dst, (addc tGPR:$lhs, imm0_7_neg:$rhs))]>;
+}
-// TODO: A7-96: STMIA - store multiple.
+let Defs = [CPSR] in {
+def tSUBi8 : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
+ "sub $dst, $rhs",
+ [(set tGPR:$dst, (add tGPR:$lhs, imm8_255_neg:$rhs))]>;
+def tSUBSi8 : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
+ "sub $dst, $rhs",
+ [(set tGPR:$dst, (addc tGPR:$lhs, imm8_255_neg:$rhs))]>;
+}
-def tSUBi3 : TI<(ops GPR:$dst, GPR:$lhs, i32imm:$rhs),
+// subtract register
+let Defs = [CPSR] in {
+def tSUBrr : T1I<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
"sub $dst, $lhs, $rhs",
- [(set GPR:$dst, (add GPR:$lhs, imm0_7_neg:$rhs))]>;
-
-def tSUBi8 : TIt<(ops GPR:$dst, GPR:$lhs, i32imm:$rhs),
- "sub $dst, $rhs",
- [(set GPR:$dst, (add GPR:$lhs, imm8_255_neg:$rhs))]>;
-
-def tSUBrr : TI<(ops GPR:$dst, GPR:$lhs, GPR:$rhs),
+ [(set tGPR:$dst, (sub tGPR:$lhs, tGPR:$rhs))]>;
+def tSUBSrr : T1I<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
"sub $dst, $lhs, $rhs",
- [(set GPR:$dst, (sub GPR:$lhs, GPR:$rhs))]>;
+ [(set tGPR:$dst, (subc tGPR:$lhs, tGPR:$rhs))]>;
+}
+
+// TODO: A7-96: STMIA - store multiple.
-def tSUBspi : TIt<(ops GPR:$dst, GPR:$lhs, i32imm:$rhs),
+def tSUBspi : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
"sub $dst, $rhs * 4", []>;
-def tSXTB : TI<(ops GPR:$dst, GPR:$src),
+// sign-extend byte
+def tSXTB : T1I<(outs tGPR:$dst), (ins tGPR:$src),
"sxtb $dst, $src",
- [(set GPR:$dst, (sext_inreg GPR:$src, i8))]>,
+ [(set tGPR:$dst, (sext_inreg tGPR:$src, i8))]>,
Requires<[IsThumb, HasV6]>;
-def tSXTH : TI<(ops GPR:$dst, GPR:$src),
+
+// sign-extend short
+def tSXTH : T1I<(outs tGPR:$dst), (ins tGPR:$src),
"sxth $dst, $src",
- [(set GPR:$dst, (sext_inreg GPR:$src, i16))]>,
+ [(set tGPR:$dst, (sext_inreg tGPR:$src, i16))]>,
Requires<[IsThumb, HasV6]>;
-// TODO: A7-122: TST - test.
+// test
+let isCommutable = 1, Defs = [CPSR] in
+def tTST : T1I<(outs), (ins tGPR:$lhs, tGPR:$rhs),
+ "tst $lhs, $rhs",
+ [(ARMcmpNZ (and tGPR:$lhs, tGPR:$rhs), 0)]>;
-def tUXTB : TI<(ops GPR:$dst, GPR:$src),
+// zero-extend byte
+def tUXTB : T1I<(outs tGPR:$dst), (ins tGPR:$src),
"uxtb $dst, $src",
- [(set GPR:$dst, (and GPR:$src, 0xFF))]>,
+ [(set tGPR:$dst, (and tGPR:$src, 0xFF))]>,
Requires<[IsThumb, HasV6]>;
-def tUXTH : TI<(ops GPR:$dst, GPR:$src),
+
+// zero-extend short
+def tUXTH : T1I<(outs tGPR:$dst), (ins tGPR:$src),
"uxth $dst, $src",
- [(set GPR:$dst, (and GPR:$src, 0xFFFF))]>,
+ [(set tGPR:$dst, (and tGPR:$src, 0xFFFF))]>,
Requires<[IsThumb, HasV6]>;
// Expanded by the scheduler into a branch sequence.
let usesCustomDAGSchedInserter = 1 in // Expanded by the scheduler.
def tMOVCCr :
- PseudoInst<(ops GPR:$dst, GPR:$false, GPR:$true, CCOp:$cc),
+ PseudoInst<(outs tGPR:$dst), (ins tGPR:$false, tGPR:$true, pred:$cc),
"@ tMOVCCr $cc",
- [(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc))]>;
+ [/*(set tGPR:$dst, (ARMcmov tGPR:$false, tGPR:$true, imm:$cc))*/]>;
// tLEApcrel - Load a pc-relative address into a register without offending the
// assembler.
-def tLEApcrel : TI<(ops GPR:$dst, i32imm:$label),
+def tLEApcrel : TIx2<(outs tGPR:$dst), (ins i32imm:$label),
!strconcat(!strconcat(".set PCRELV${:uid}, ($label-(",
"${:private}PCRELL${:uid}+4))\n"),
- !strconcat("${:private}PCRELL${:uid}:\n\t",
- "add $dst, pc, #PCRELV${:uid}")),
+ !strconcat("\tmov $dst, #PCRELV${:uid}\n",
+ "${:private}PCRELL${:uid}:\n\tadd $dst, pc")),
[]>;
-def tLEApcrelCall : TI<(ops GPR:$dst, i32imm:$label),
- !strconcat(!strconcat(".set PCRELV${:uid}, (${label:call}-(",
- "${:private}PCRELL${:uid}+4))\n"),
- !strconcat("${:private}PCRELL${:uid}:\n\t",
- "add $dst, pc, #PCRELV${:uid}")),
- []>;
-
-def tLEApcrelJT : TI<(ops GPR:$dst, i32imm:$label, i32imm:$id),
+def tLEApcrelJT : TIx2<(outs tGPR:$dst), (ins i32imm:$label, i32imm:$id),
!strconcat(!strconcat(".set PCRELV${:uid}, (${label}_${id:no_hash}-(",
"${:private}PCRELL${:uid}+4))\n"),
- !strconcat("${:private}PCRELL${:uid}:\n\t",
- "add $dst, pc, #PCRELV${:uid}")),
- []>;
+ !strconcat("\tmov $dst, #PCRELV${:uid}\n",
+ "${:private}PCRELL${:uid}:\n\tadd $dst, pc")),
+ []>;
+
+//===----------------------------------------------------------------------===//
+// TLS Instructions
+//
+
+// __aeabi_read_tp preserves the registers r1-r3.
+let isCall = 1,
+ Defs = [R0, LR] in {
+ def tTPsoft : TIx2<(outs), (ins),
+ "bl __aeabi_read_tp",
+ [(set R0, ARMthread_pointer)]>;
+}
//===----------------------------------------------------------------------===//
// Non-Instruction Patterns
// ConstantPool, GlobalAddress
def : ThumbPat<(ARMWrapper tglobaladdr :$dst), (tLEApcrel tglobaladdr :$dst)>;
def : ThumbPat<(ARMWrapper tconstpool :$dst), (tLEApcrel tconstpool :$dst)>;
-def : ThumbPat<(ARMWrapperCall tglobaladdr :$dst),
- (tLEApcrelCall tglobaladdr :$dst)>;
-def : ThumbPat<(ARMWrapperCall texternalsym:$dst),
- (tLEApcrelCall texternalsym:$dst)>;
// JumpTable
def : ThumbPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
def : ThumbV5Pat<(ARMcall texternalsym:$func), (tBLXi texternalsym:$func)>;
// Indirect calls to ARM routines
-def : ThumbV5Pat<(ARMcall GPR:$dst), (tBLXr GPR:$dst)>;
+def : ThumbV5Pat<(ARMcall tGPR:$dst), (tBLXr tGPR:$dst)>;
// zextload i1 -> zextload i8
def : ThumbPat<(zextloadi1 t_addrmode_s1:$addr),
(tLDRB t_addrmode_s1:$addr)>;
-
+
// extload -> zextload
def : ThumbPat<(extloadi1 t_addrmode_s1:$addr), (tLDRB t_addrmode_s1:$addr)>;
def : ThumbPat<(extloadi8 t_addrmode_s1:$addr), (tLDRB t_addrmode_s1:$addr)>;
def : ThumbPat<(extloadi16 t_addrmode_s2:$addr), (tLDRH t_addrmode_s2:$addr)>;
-// truncstore i1 -> truncstore i8
-def : ThumbPat<(truncstorei1 GPR:$src, t_addrmode_s1:$dst),
- (tSTRB GPR:$src, t_addrmode_s1:$dst)>;
-
// Large immediate handling.
// Two piece imms.
-def : ThumbPat<(i32 thumb_immshifted:$src),
- (tLSLri (tMOVri8 (thumb_immshifted_val imm:$src)),
- (thumb_immshifted_shamt imm:$src))>;
+def : Thumb1Pat<(i32 thumb_immshifted:$src),
+ (tLSLri (tMOVi8 (thumb_immshifted_val imm:$src)),
+ (thumb_immshifted_shamt imm:$src))>;
-def : ThumbPat<(i32 imm0_255_comp:$src),
- (tMVN (tMOVri8 (imm_comp_XFORM imm:$src)))>;
+def : Thumb1Pat<(i32 imm0_255_comp:$src),
+ (tMVN (tMOVi8 (imm_comp_XFORM imm:$src)))>;