SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
+def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 1, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
// Node definitions.
def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
+def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP", SDT_ARMEH_SJLJ_Setjmp>;
//===----------------------------------------------------------------------===//
// ARM Instruction Predicate Definitions.
//
-def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
-def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
-def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
-def IsThumb : Predicate<"Subtarget->isThumb()">;
-def IsARM : Predicate<"!Subtarget->isThumb()">;
+def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
+def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
+def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
+def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
+def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
+def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
+def HasNEON : Predicate<"Subtarget->hasNEON()">;
+def IsThumb : Predicate<"Subtarget->isThumb()">;
+def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
+def HasThumb2 : Predicate<"Subtarget->hasThumb2()">;
+def IsARM : Predicate<"!Subtarget->isThumb()">;
+def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
+def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
+def CarryDefIsUnused : Predicate<"N.getNode()->hasNUsesOfValue(0, 1)">;
+def CarryDefIsUsed : Predicate<"N.getNode()->hasAnyUseOfValue(1)">;
//===----------------------------------------------------------------------===//
// ARM Flag Definitions.
/// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
/// binop that produces a value.
-multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode> {
+multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
+ bit Commutable = 0> {
def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
opc, " $dst, $a, $b",
[(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
opc, " $dst, $a, $b",
- [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
+ [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
+ let isCommutable = Commutable;
+ }
def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
opc, " $dst, $a, $b",
[(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
}
-/// ASI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
+/// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
/// instruction modifies the CSPR register.
let Defs = [CPSR] in {
-multiclass ASI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode> {
+multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
+ bit Commutable = 0> {
def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
opc, "s $dst, $a, $b",
[(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
opc, "s $dst, $a, $b",
- [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
+ [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
+ let isCommutable = Commutable;
+ }
def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
opc, "s $dst, $a, $b",
[(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
/// patterns. Similar to AsI1_bin_irs except the instruction does not produce
/// a explicit result, only implicitly set CPSR.
let Defs = [CPSR] in {
-multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode> {
+multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
+ bit Commutable = 0> {
def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm,
opc, " $a, $b",
[(opnode GPR:$a, so_imm:$b)]>;
def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm,
opc, " $a, $b",
- [(opnode GPR:$a, GPR:$b)]>;
+ [(opnode GPR:$a, GPR:$b)]> {
+ let isCommutable = Commutable;
+ }
def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
opc, " $a, $b",
[(opnode GPR:$a, so_reg:$b)]>;
Requires<[IsARM, HasV6]>;
}
-/// AsXI1_bin_c_irs - Same as AsI1_bin_irs but without the predicate operand and
-/// setting carry bit. But it can optionally set CPSR.
+/// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
let Uses = [CPSR] in {
-multiclass AsXI1_bin_c_irs<bits<4> opcod, string opc, PatFrag opnode> {
- def ri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b, cc_out:$s),
- DPFrm, !strconcat(opc, "${s} $dst, $a, $b"),
- [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
- def rr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b, cc_out:$s),
- DPFrm, !strconcat(opc, "${s} $dst, $a, $b"),
- [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
- def rs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b, cc_out:$s),
- DPSoRegFrm, !strconcat(opc, "${s} $dst, $a, $b"),
- [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
+multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
+ bit Commutable = 0> {
+ def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
+ DPFrm, opc, " $dst, $a, $b",
+ [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
+ Requires<[IsARM, CarryDefIsUnused]>;
+ def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
+ DPFrm, opc, " $dst, $a, $b",
+ [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
+ Requires<[IsARM, CarryDefIsUnused]> {
+ let isCommutable = Commutable;
+ }
+ def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
+ DPSoRegFrm, opc, " $dst, $a, $b",
+ [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
+ Requires<[IsARM, CarryDefIsUnused]>;
+ // Carry setting variants
+ def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
+ DPFrm, !strconcat(opc, "s $dst, $a, $b"),
+ [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
+ Requires<[IsARM, CarryDefIsUsed]> {
+ let Defs = [CPSR];
+ }
+ def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
+ DPFrm, !strconcat(opc, "s $dst, $a, $b"),
+ [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
+ Requires<[IsARM, CarryDefIsUsed]> {
+ let Defs = [CPSR];
+ }
+ def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
+ DPSoRegFrm, !strconcat(opc, "s $dst, $a, $b"),
+ [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
+ Requires<[IsARM, CarryDefIsUsed]> {
+ let Defs = [CPSR];
+ }
}
}
/// the function. The first operand is the ID# for this instruction, the second
/// is the index into the MachineConstantPool that this is, the third is the
/// size in bytes of this constant pool entry.
-let isNotDuplicable = 1 in
+let neverHasSideEffects = 1, isNotDuplicable = 1 in
def CONSTPOOL_ENTRY :
PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
i32imm:$size),
[(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
let AddedComplexity = 10 in {
-let isSimpleLoad = 1 in
+let canFoldAsLoad = 1 in
def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
Pseudo, "${addr:label}:\n\tldr$p $dst, $addr",
[(set GPR:$dst, (load addrmodepc:$addr))]>;
}
} // isNotDuplicable = 1
+
+// LEApcrel - Load a pc-relative address into a register without offending the
+// assembler.
+def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p), Pseudo,
+ !strconcat(!strconcat(".set PCRELV${:uid}, ($label-(",
+ "${:private}PCRELL${:uid}+8))\n"),
+ !strconcat("${:private}PCRELL${:uid}:\n\t",
+ "add$p $dst, pc, #PCRELV${:uid}")),
+ []>;
+
+def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
+ (ins i32imm:$label, i32imm:$id, pred:$p),
+ Pseudo,
+ !strconcat(!strconcat(".set PCRELV${:uid}, (${label}_${id:no_hash}-(",
+ "${:private}PCRELL${:uid}+8))\n"),
+ !strconcat("${:private}PCRELL${:uid}:\n\t",
+ "add$p $dst, pc, #PCRELV${:uid}")),
+ []>;
+
//===----------------------------------------------------------------------===//
// Control Flow Instructions.
//
LdStMulFrm, "ldm${p}${addr:submode} $addr, $dst1",
[]>;
-let isCall = 1,
+// On non-Darwin platforms R9 is callee-saved.
+let isCall = 1, Itinerary = IIC_Br,
Defs = [R0, R1, R2, R3, R12, LR,
D0, D1, D2, D3, D4, D5, D6, D7, CPSR] in {
def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
"bl ${func:call}",
- [(ARMcall tglobaladdr:$func)]>;
+ [(ARMcall tglobaladdr:$func)]>, Requires<[IsNotDarwin]>;
def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
"bl", " ${func:call}",
- [(ARMcall_pred tglobaladdr:$func)]>;
+ [(ARMcall_pred tglobaladdr:$func)]>, Requires<[IsNotDarwin]>;
// ARMv5T and above
def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
"blx $func",
- [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T]> {
+ [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsNotDarwin]> {
let Inst{7-4} = 0b0011;
let Inst{19-8} = 0b111111111111;
let Inst{27-20} = 0b00010010;
// ARMv4T
def BX : ABXIx2<(outs), (ins GPR:$func, variable_ops),
"mov lr, pc\n\tbx $func",
- [(ARMcall_nolink GPR:$func)]>;
+ [(ARMcall_nolink GPR:$func)]>, Requires<[IsNotDarwin]>;
}
}
-let isBranch = 1, isTerminator = 1 in {
+// On Darwin R9 is call-clobbered.
+let isCall = 1, Itinerary = IIC_Br,
+ Defs = [R0, R1, R2, R3, R9, R12, LR,
+ D0, D1, D2, D3, D4, D5, D6, D7, CPSR] in {
+ def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
+ "bl ${func:call}",
+ [(ARMcall tglobaladdr:$func)]>, Requires<[IsDarwin]>;
+
+ def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
+ "bl", " ${func:call}",
+ [(ARMcall_pred tglobaladdr:$func)]>, Requires<[IsDarwin]>;
+
+ // ARMv5T and above
+ def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
+ "blx $func",
+ [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
+ let Inst{7-4} = 0b0011;
+ let Inst{19-8} = 0b111111111111;
+ let Inst{27-20} = 0b00010010;
+ }
+
+ let Uses = [LR] in {
+ // ARMv4T
+ def BXr9 : ABXIx2<(outs), (ins GPR:$func, variable_ops),
+ "mov lr, pc\n\tbx $func",
+ [(ARMcall_nolink GPR:$func)]>, Requires<[IsDarwin]>;
+ }
+}
+
+let isBranch = 1, isTerminator = 1, Itinerary = IIC_Br in {
// B is "predicable" since it can be xformed into a Bcc.
let isBarrier = 1 in {
let isPredicable = 1 in
//
// Load
-let isSimpleLoad = 1 in
+let canFoldAsLoad = 1 in
def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
"ldr", " $dst, $addr",
[(set GPR:$dst, (load addrmode2:$addr))]>;
// Special LDR for loads from non-pc-relative constpools.
-let isSimpleLoad = 1, mayLoad = 1, isReMaterializable = 1 in
+let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1 in
def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
"ldr", " $dst, $addr", []>;
let mayLoad = 1 in {
// Load doubleword
-def LDRD : AI3ldd<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
- "ldr", "d $dst, $addr",
- []>, Requires<[IsARM, HasV5T]>;
+def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
+ "ldr", "d $dst1, $addr", []>, Requires<[IsARM, HasV5T]>;
// Indexed loads
def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
// Store doubleword
let mayStore = 1 in
-def STRD : AI3std<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
- "str", "d $src, $addr",
- []>, Requires<[IsARM, HasV5T]>;
+def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),StMiscFrm,
+ "str", "d $src1, $addr", []>, Requires<[IsARM, HasV5T]>;
// Indexed stores
def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
// Move Instructions.
//
+let neverHasSideEffects = 1 in
def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm,
"mov", " $dst, $src", []>, UnaryDP;
def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
"mov", " $dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP;
-let isReMaterializable = 1 in
+let isReMaterializable = 1, isAsCheapAsAMove = 1 in
def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm,
"mov", " $dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP;
-def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm,
+def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
"mov", " $dst, $src, rrx",
[(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
// due to flag operands.
let Defs = [CPSR] in {
-def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm,
+def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
"mov", "s $dst, $src, lsr #1",
[(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
-def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm,
+def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
"mov", "s $dst, $src, asr #1",
[(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
}
defm UXTB16 : AI_unary_rrot<0b01101100,
"uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
-def : ARMV6Pat<(and (shl GPR:$Src, 8), 0xFF00FF),
+def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
(UXTB16r_rot GPR:$Src, 24)>;
-def : ARMV6Pat<(and (srl GPR:$Src, 8), 0xFF00FF),
+def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
(UXTB16r_rot GPR:$Src, 8)>;
defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
//
defm ADD : AsI1_bin_irs<0b0100, "add",
- BinOpFrag<(add node:$LHS, node:$RHS)>>;
+ BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
defm SUB : AsI1_bin_irs<0b0010, "sub",
BinOpFrag<(sub node:$LHS, node:$RHS)>>;
// ADD and SUB with 's' bit set.
-defm ADDS : ASI1_bin_s_irs<0b0100, "add",
- BinOpFrag<(addc node:$LHS, node:$RHS)>>;
-defm SUBS : ASI1_bin_s_irs<0b0010, "sub",
- BinOpFrag<(subc node:$LHS, node:$RHS)>>;
+defm ADDS : AI1_bin_s_irs<0b0100, "add",
+ BinOpFrag<(addc node:$LHS, node:$RHS)>>;
+defm SUBS : AI1_bin_s_irs<0b0010, "sub",
+ BinOpFrag<(subc node:$LHS, node:$RHS)>>;
-// FIXME: Do not allow ADC / SBC to be predicated for now.
-defm ADC : AsXI1_bin_c_irs<0b0101, "adc",
- BinOpFrag<(adde node:$LHS, node:$RHS)>>;
-defm SBC : AsXI1_bin_c_irs<0b0110, "sbc",
- BinOpFrag<(sube node:$LHS, node:$RHS)>>;
+defm ADC : AI1_adde_sube_irs<0b0101, "adc",
+ BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
+defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
+ BinOpFrag<(sube node:$LHS, node:$RHS)>>;
// These don't define reg/reg forms, because they are handled above.
def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
[(set GPR:$dst, (subc so_reg:$b, GPR:$a))]>;
}
-// FIXME: Do not allow RSC to be predicated for now. But they can set CPSR.
let Uses = [CPSR] in {
-def RSCri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b, cc_out:$s),
- DPFrm, "rsc${s} $dst, $a, $b",
- [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>;
-def RSCrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b, cc_out:$s),
- DPSoRegFrm, "rsc${s} $dst, $a, $b",
- [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>;
+def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
+ DPFrm, "rsc", " $dst, $a, $b",
+ [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
+ Requires<[IsARM, CarryDefIsUnused]>;
+def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
+ DPSoRegFrm, "rsc", " $dst, $a, $b",
+ [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
+ Requires<[IsARM, CarryDefIsUnused]>;
+}
+
+// FIXME: Allow these to be predicated.
+let Defs = [CPSR], Uses = [CPSR] in {
+def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
+ DPFrm, "rscs $dst, $a, $b",
+ [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
+ Requires<[IsARM, CarryDefIsUnused]>;
+def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
+ DPSoRegFrm, "rscs $dst, $a, $b",
+ [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
+ Requires<[IsARM, CarryDefIsUnused]>;
}
// (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
//
defm AND : AsI1_bin_irs<0b0000, "and",
- BinOpFrag<(and node:$LHS, node:$RHS)>>;
+ BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
defm ORR : AsI1_bin_irs<0b1100, "orr",
- BinOpFrag<(or node:$LHS, node:$RHS)>>;
+ BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
defm EOR : AsI1_bin_irs<0b0001, "eor",
- BinOpFrag<(xor node:$LHS, node:$RHS)>>;
+ BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
defm BIC : AsI1_bin_irs<0b1110, "bic",
BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
"mvn", " $dst, $src",
[(set GPR:$dst, (not so_reg:$src))]>, UnaryDP;
-let isReMaterializable = 1 in
+let isReMaterializable = 1, isAsCheapAsAMove = 1 in
def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
"mvn", " $dst, $imm",
[(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP;
// Multiply Instructions.
//
+let isCommutable = 1 in
def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
"mul", " $dst, $a, $b",
[(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
[(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
// Extra precision multiplies with low / high results
+let neverHasSideEffects = 1 in {
+let isCommutable = 1 in {
def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
(ins GPR:$a, GPR:$b),
"smull", " $ldst, $hdst, $a, $b", []>;
def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
(ins GPR:$a, GPR:$b),
"umull", " $ldst, $hdst, $a, $b", []>;
+}
// Multiply + accumulate
def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
(ins GPR:$a, GPR:$b),
"umaal", " $ldst, $hdst, $a, $b", []>,
Requires<[IsARM, HasV6]>;
+} // neverHasSideEffects
// Most significant word multiply
def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
!strconcat(opc, "bt"), " $dst, $a, $b",
[(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
- (sra GPR:$b, 16)))]>,
+ (sra GPR:$b, (i32 16))))]>,
Requires<[IsARM, HasV5TE]> {
let Inst{5} = 0;
let Inst{6} = 1;
def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
!strconcat(opc, "tb"), " $dst, $a, $b",
- [(set GPR:$dst, (opnode (sra GPR:$a, 16),
+ [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
(sext_inreg GPR:$b, i16)))]>,
Requires<[IsARM, HasV5TE]> {
let Inst{5} = 1;
def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
!strconcat(opc, "tt"), " $dst, $a, $b",
- [(set GPR:$dst, (opnode (sra GPR:$a, 16),
- (sra GPR:$b, 16)))]>,
+ [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
+ (sra GPR:$b, (i32 16))))]>,
Requires<[IsARM, HasV5TE]> {
let Inst{5} = 1;
let Inst{6} = 1;
def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
!strconcat(opc, "wb"), " $dst, $a, $b",
[(set GPR:$dst, (sra (opnode GPR:$a,
- (sext_inreg GPR:$b, i16)), 16))]>,
+ (sext_inreg GPR:$b, i16)), (i32 16)))]>,
Requires<[IsARM, HasV5TE]> {
let Inst{5} = 1;
let Inst{6} = 0;
def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
!strconcat(opc, "wt"), " $dst, $a, $b",
[(set GPR:$dst, (sra (opnode GPR:$a,
- (sra GPR:$b, 16)), 16))]>,
+ (sra GPR:$b, (i32 16))), (i32 16)))]>,
Requires<[IsARM, HasV5TE]> {
let Inst{5} = 1;
let Inst{6} = 1;
def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
!strconcat(opc, "bt"), " $dst, $a, $b, $acc",
[(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
- (sra GPR:$b, 16))))]>,
+ (sra GPR:$b, (i32 16)))))]>,
Requires<[IsARM, HasV5TE]> {
let Inst{5} = 0;
let Inst{6} = 1;
def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
!strconcat(opc, "tb"), " $dst, $a, $b, $acc",
- [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
+ [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
(sext_inreg GPR:$b, i16))))]>,
Requires<[IsARM, HasV5TE]> {
let Inst{5} = 1;
def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
!strconcat(opc, "tt"), " $dst, $a, $b, $acc",
- [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
- (sra GPR:$b, 16))))]>,
+ [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
+ (sra GPR:$b, (i32 16)))))]>,
Requires<[IsARM, HasV5TE]> {
let Inst{5} = 1;
let Inst{6} = 1;
def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
!strconcat(opc, "wb"), " $dst, $a, $b, $acc",
[(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
- (sext_inreg GPR:$b, i16)), 16)))]>,
+ (sext_inreg GPR:$b, i16)), (i32 16))))]>,
Requires<[IsARM, HasV5TE]> {
let Inst{5} = 0;
let Inst{6} = 0;
def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
!strconcat(opc, "wt"), " $dst, $a, $b, $acc",
[(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
- (sra GPR:$b, 16)), 16)))]>,
+ (sra GPR:$b, (i32 16))), (i32 16))))]>,
Requires<[IsARM, HasV5TE]> {
let Inst{5} = 0;
let Inst{6} = 1;
def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$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)))))]>,
+ (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)))))]>,
Requires<[IsARM, HasV6]> {
let Inst{7-4} = 0b1011;
let Inst{11-8} = 0b1111;
"revsh", " $dst, $src",
[(set GPR:$dst,
(sext_inreg
- (or (srl (and GPR:$src, 0xFF00), 8),
- (shl GPR:$src, 8)), i16))]>,
+ (or (srl (and GPR:$src, 0xFF00), (i32 8)),
+ (shl GPR:$src, (i32 8))), i16))]>,
Requires<[IsARM, HasV6]> {
let Inst{7-4} = 0b1011;
let Inst{11-8} = 0b1111;
// Alternate cases for PKHTB where identities eliminate some nodes. Note that
// a shift amount of 0 is *not legal* here, it is PKHBT instead.
-def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, 16)),
+def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
(PKHTB GPR:$src1, GPR:$src2, 16)>;
def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
(and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
// Note that TST/TEQ don't set all the same flags that CMP does!
defm TST : AI1_cmp_irs<0b1000, "tst",
- BinOpFrag<(ARMcmpNZ (and node:$LHS, node:$RHS), 0)>>;
+ BinOpFrag<(ARMcmpNZ (and node:$LHS, node:$RHS), 0)>, 1>;
defm TEQ : AI1_cmp_irs<0b1001, "teq",
- BinOpFrag<(ARMcmpNZ (xor node:$LHS, node:$RHS), 0)>>;
+ BinOpFrag<(ARMcmpNZ (xor node:$LHS, node:$RHS), 0)>, 1>;
defm CMPnz : AI1_cmp_irs<0b1010, "cmp",
BinOpFrag<(ARMcmpNZ node:$LHS, node:$RHS)>>;
RegConstraint<"$false = $dst">, UnaryDP;
-// LEApcrel - Load a pc-relative address into a register without offending the
-// assembler.
-def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p), Pseudo,
- !strconcat(!strconcat(".set PCRELV${:uid}, ($label-(",
- "${:private}PCRELL${:uid}+8))\n"),
- !strconcat("${:private}PCRELL${:uid}:\n\t",
- "add$p $dst, pc, #PCRELV${:uid}")),
- []>;
-
-def LEApcrelJT : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, i32imm:$id, pred:$p),
- Pseudo,
- !strconcat(!strconcat(".set PCRELV${:uid}, (${label}_${id:no_hash}-(",
- "${:private}PCRELL${:uid}+8))\n"),
- !strconcat("${:private}PCRELL${:uid}:\n\t",
- "add$p $dst, pc, #PCRELV${:uid}")),
- []>;
-
//===----------------------------------------------------------------------===//
// TLS Instructions
//
[(set R0, ARMthread_pointer)]>;
}
+//===----------------------------------------------------------------------===//
+// SJLJ Exception handling intrinsics
+// eh_sjlj_setjmp() is a three instruction sequence to store the return
+// address and save #0 in R0 for the non-longjmp case.
+// Since by its nature we may be coming from some other function to get
+// here, and we're using the stack frame for the containing function to
+// save/restore registers, we can't keep anything live in regs across
+// the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
+// when we get here from a longjmp(). We force everthing out of registers
+// except for our own input by listing the relevant registers in Defs. By
+// doing so, we also cause the prologue/epilogue code to actively preserve
+// all of the callee-saved resgisters, which is exactly what we want.
+let Defs =
+ [ R0, R1, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR,
+ D0, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15 ] in {
+ def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src),
+ AddrModeNone, SizeSpecial, IndexModeNone, Pseudo,
+ "add r0, pc, #4\n\t"
+ "str r0, [$src, #+4]\n\t"
+ "mov r0, #0 @ eh_setjmp", "",
+ [(set R0, (ARMeh_sjlj_setjmp GPR:$src))]>;
+}
+
//===----------------------------------------------------------------------===//
// Non-Instruction Patterns
//
// Direct calls
-def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
+def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
+ Requires<[IsNotDarwin]>;
+def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
+ Requires<[IsDarwin]>;
// zextload i1 -> zextload i8
def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
// smul* and smla*
-def : ARMV5TEPat<(mul (sra (shl GPR:$a, 16), 16), (sra (shl GPR:$b, 16), 16)),
+def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
+ (sra (shl GPR:$b, (i32 16)), (i32 16))),
(SMULBB GPR:$a, GPR:$b)>;
def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
(SMULBB GPR:$a, GPR:$b)>;
-def : ARMV5TEPat<(mul (sra (shl GPR:$a, 16), 16), (sra GPR:$b, 16)),
+def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
+ (sra GPR:$b, (i32 16))),
(SMULBT GPR:$a, GPR:$b)>;
-def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, 16)),
+def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
(SMULBT GPR:$a, GPR:$b)>;
-def : ARMV5TEPat<(mul (sra GPR:$a, 16), (sra (shl GPR:$b, 16), 16)),
+def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
+ (sra (shl GPR:$b, (i32 16)), (i32 16))),
(SMULTB GPR:$a, GPR:$b)>;
-def : ARMV5TEPat<(mul (sra GPR:$a, 16), sext_16_node:$b),
+def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
(SMULTB GPR:$a, GPR:$b)>;
-def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, 16), 16)), 16),
+def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
+ (i32 16)),
(SMULWB GPR:$a, GPR:$b)>;
-def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), 16),
+def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
(SMULWB GPR:$a, GPR:$b)>;
def : ARMV5TEPat<(add GPR:$acc,
- (mul (sra (shl GPR:$a, 16), 16),
- (sra (shl GPR:$b, 16), 16))),
+ (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
+ (sra (shl GPR:$b, (i32 16)), (i32 16)))),
(SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
def : ARMV5TEPat<(add GPR:$acc,
(mul sext_16_node:$a, sext_16_node:$b)),
(SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
def : ARMV5TEPat<(add GPR:$acc,
- (mul (sra (shl GPR:$a, 16), 16), (sra GPR:$b, 16))),
+ (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
+ (sra GPR:$b, (i32 16)))),
(SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
def : ARMV5TEPat<(add GPR:$acc,
- (mul sext_16_node:$a, (sra GPR:$b, 16))),
+ (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
(SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
def : ARMV5TEPat<(add GPR:$acc,
- (mul (sra GPR:$a, 16), (sra (shl GPR:$b, 16), 16))),
+ (mul (sra GPR:$a, (i32 16)),
+ (sra (shl GPR:$b, (i32 16)), (i32 16)))),
(SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
def : ARMV5TEPat<(add GPR:$acc,
- (mul (sra GPR:$a, 16), sext_16_node:$b)),
+ (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
(SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
def : ARMV5TEPat<(add GPR:$acc,
- (sra (mul GPR:$a, (sra (shl GPR:$b, 16), 16)), 16)),
+ (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
+ (i32 16))),
(SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
def : ARMV5TEPat<(add GPR:$acc,
- (sra (mul GPR:$a, sext_16_node:$b), 16)),
+ (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
(SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
//===----------------------------------------------------------------------===//
include "ARMInstrThumb.td"
+//===----------------------------------------------------------------------===//
+// Thumb2 Support
+//
+
+include "ARMInstrThumb2.td"
+
//===----------------------------------------------------------------------===//
// Floating Point Support
//
include "ARMInstrVFP.td"
+
+//===----------------------------------------------------------------------===//
+// Advanced SIMD (NEON) Support
+//
+
+include "ARMInstrNEON.td"
projects / oota-llvm.git / blobdiff