return CurDAG->getTargetConstant(V, MVT::i32);
}]>;
+// Scaled 4 immediate.
+def t_imm_s4 : Operand<i32> {
+ let PrintMethod = "printThumbS4ImmOperand";
+}
+
// Define Thumb specific addressing modes.
// t_addrmode_rr := reg + reg
def t_addrmode_sp : Operand<i32>,
ComplexPattern<i32, 2, "SelectThumbAddrModeSP", []> {
let PrintMethod = "printThumbAddrModeSPOperand";
- let MIOperandInfo = (ops tGPR:$base, i32imm:$offsimm);
+ let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
}
//===----------------------------------------------------------------------===//
// Miscellaneous Instructions.
//
-let Defs = [SP], Uses = [SP] in {
+// FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
+// from removing one half of the matched pairs. That breaks PEI, which assumes
+// these will always be in pairs, and asserts if it finds otherwise. Better way?
+let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
def tADJCALLSTACKUP :
-PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2),
+PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2), NoItinerary,
"@ tADJCALLSTACKUP $amt1",
- [(ARMcallseq_end imm:$amt1, imm:$amt2)]>, Requires<[IsThumb]>;
+ [(ARMcallseq_end imm:$amt1, imm:$amt2)]>, Requires<[IsThumb1Only]>;
def tADJCALLSTACKDOWN :
-PseudoInst<(outs), (ins i32imm:$amt),
+PseudoInst<(outs), (ins i32imm:$amt), NoItinerary,
"@ tADJCALLSTACKDOWN $amt",
- [(ARMcallseq_start imm:$amt)]>, Requires<[IsThumb]>;
+ [(ARMcallseq_start imm:$amt)]>, Requires<[IsThumb1Only]>;
+}
+
+def tNOP : T1pI<(outs), (ins), NoItinerary, "nop", "",
+ [/* For disassembly only; pattern left blank */]>,
+ T1Encoding<0b101111> {
+ let Inst{9-8} = 0b11;
+ let Inst{7-0} = 0b00000000;
+}
+
+def tYIELD : T1pI<(outs), (ins), NoItinerary, "yield", "",
+ [/* For disassembly only; pattern left blank */]>,
+ T1Encoding<0b101111> {
+ let Inst{9-8} = 0b11;
+ let Inst{7-0} = 0b00010000;
+}
+
+def tWFE : T1pI<(outs), (ins), NoItinerary, "wfe", "",
+ [/* For disassembly only; pattern left blank */]>,
+ T1Encoding<0b101111> {
+ let Inst{9-8} = 0b11;
+ let Inst{7-0} = 0b00100000;
+}
+
+def tWFI : T1pI<(outs), (ins), NoItinerary, "wfi", "",
+ [/* For disassembly only; pattern left blank */]>,
+ T1Encoding<0b101111> {
+ let Inst{9-8} = 0b11;
+ let Inst{7-0} = 0b00110000;
+}
+
+def tSEV : T1pI<(outs), (ins), NoItinerary, "sev", "",
+ [/* For disassembly only; pattern left blank */]>,
+ T1Encoding<0b101111> {
+ let Inst{9-8} = 0b11;
+ let Inst{7-0} = 0b01000000;
+}
+
+def tSETENDBE : T1I<(outs), (ins), NoItinerary, "setend\tbe",
+ [/* For disassembly only; pattern left blank */]>,
+ T1Encoding<0b101101> {
+ let Inst{9-5} = 0b10010;
+ let Inst{3} = 1;
+}
+
+def tSETENDLE : T1I<(outs), (ins), NoItinerary, "setend\tle",
+ [/* For disassembly only; pattern left blank */]>,
+ T1Encoding<0b101101> {
+ let Inst{9-5} = 0b10010;
+ let Inst{3} = 0;
}
+// The i32imm operand $val can be used by a debugger to store more information
+// about the breakpoint.
+def tBKPT : T1I<(outs), (ins i32imm:$val), NoItinerary, "bkpt\t$val",
+ [/* For disassembly only; pattern left blank */]>,
+ T1Encoding<0b101111> {
+ let Inst{9-8} = 0b10;
+}
+
+// Change Processor State is a system instruction -- for disassembly only.
+// The singleton $opt operand contains the following information:
+// opt{4-0} = mode ==> don't care
+// opt{5} = changemode ==> 0 (false for 16-bit Thumb instr)
+// opt{8-6} = AIF from Inst{2-0}
+// opt{10-9} = 1:imod from Inst{4} with 0b10 as enable and 0b11 as disable
+//
+// The opt{4-0} and opt{5} sub-fields are to accommodate 32-bit Thumb and ARM
+// CPS which has more options.
+def tCPS : T1I<(outs), (ins i32imm:$opt), NoItinerary, "cps${opt:cps}",
+ [/* For disassembly only; pattern left blank */]>,
+ T1Misc<0b0110011>;
+
+// For both thumb1 and thumb2.
let isNotDuplicable = 1 in
-def tPICADD : TIt<(outs tGPR:$dst), (ins tGPR:$lhs, pclabel:$cp),
- "$cp:\n\tadd $dst, pc",
- [(set tGPR:$dst, (ARMpic_add tGPR:$lhs, imm:$cp))]>;
+def tPICADD : TIt<(outs GPR:$dst), (ins GPR:$lhs, pclabel:$cp), IIC_iALUr,
+ "\n$cp:\n\tadd\t$dst, pc",
+ [(set GPR:$dst, (ARMpic_add GPR:$lhs, imm:$cp))]>,
+ T1Special<{0,0,?,?}> {
+ let Inst{6-3} = 0b1111; // A8.6.6 Rm = pc
+}
+
+// PC relative add.
+def tADDrPCi : T1I<(outs tGPR:$dst), (ins t_imm_s4:$rhs), IIC_iALUi,
+ "add\t$dst, pc, $rhs", []>,
+ T1Encoding<{1,0,1,0,0,?}>; // A6.2 & A8.6.10
+
+// ADD rd, sp, #imm8
+def tADDrSPi : T1I<(outs tGPR:$dst), (ins GPR:$sp, t_imm_s4:$rhs), IIC_iALUi,
+ "add\t$dst, $sp, $rhs", []>,
+ T1Encoding<{1,0,1,0,1,?}>; // A6.2 & A8.6.8
+
+// ADD sp, sp, #imm7
+def tADDspi : TIt<(outs GPR:$dst), (ins GPR:$lhs, t_imm_s4:$rhs), IIC_iALUi,
+ "add\t$dst, $rhs", []>,
+ T1Misc<{0,0,0,0,0,?,?}>; // A6.2.5 & A8.6.8
+
+// SUB sp, sp, #imm7
+def tSUBspi : TIt<(outs GPR:$dst), (ins GPR:$lhs, t_imm_s4:$rhs), IIC_iALUi,
+ "sub\t$dst, $rhs", []>,
+ T1Misc<{0,0,0,0,1,?,?}>; // A6.2.5 & A8.6.215
+
+// ADD rm, sp
+def tADDrSP : TIt<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr,
+ "add\t$dst, $rhs", []>,
+ T1Special<{0,0,?,?}> {
+ let Inst{6-3} = 0b1101; // A8.6.9 Encoding T1
+}
+
+// ADD sp, rm
+def tADDspr : TIt<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr,
+ "add\t$dst, $rhs", []>,
+ T1Special<{0,0,?,?}> {
+ // A8.6.9 Encoding T2
+ let Inst{7} = 1;
+ let Inst{2-0} = 0b101;
+}
+
+// Pseudo instruction that will expand into a tSUBspi + a copy.
+let usesCustomInserter = 1 in { // Expanded after instruction selection.
+def tSUBspi_ : PseudoInst<(outs GPR:$dst), (ins GPR:$lhs, t_imm_s4:$rhs),
+ NoItinerary, "@ sub\t$dst, $rhs", []>;
+
+def tADDspr_ : PseudoInst<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs),
+ NoItinerary, "@ add\t$dst, $rhs", []>;
+
+let Defs = [CPSR] in
+def tANDsp : PseudoInst<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
+ NoItinerary, "@ and\t$dst, $rhs", []>;
+} // usesCustomInserter
//===----------------------------------------------------------------------===//
// Control Flow Instructions.
//
-let isReturn = 1, isTerminator = 1 in {
- def tBX_RET : TI<(outs), (ins), "bx lr", [(ARMretflag)]>;
+let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
+ def tBX_RET : TI<(outs), (ins), IIC_Br, "bx\tlr", [(ARMretflag)]>,
+ T1Special<{1,1,0,?}> { // A6.2.3 & A8.6.25
+ let Inst{6-3} = 0b1110; // Rm = lr
+ }
// Alternative return instruction used by vararg functions.
- def tBX_RET_vararg : TI<(outs), (ins tGPR:$target), "bx $target", []>;
+ def tBX_RET_vararg : TI<(outs), (ins tGPR:$target), IIC_Br, "bx\t$target",[]>,
+ T1Special<{1,1,0,?}>; // A6.2.3 & A8.6.25
+}
+
+// Indirect branches
+let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
+ def tBRIND : TI<(outs), (ins GPR:$dst), IIC_Br, "mov\tpc, $dst",
+ [(brind GPR:$dst)]>,
+ T1Special<{1,0,1,?}> {
+ // <Rd> = Inst{7:2-0} = pc
+ let Inst{2-0} = 0b111;
+ }
}
// FIXME: remove when we have a way to marking a MI with these properties.
-let isReturn = 1, isTerminator = 1 in
-def tPOP_RET : TI<(outs reglist:$dst1, variable_ops), (ins),
- "pop $dst1", []>;
+let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
+ hasExtraDefRegAllocReq = 1 in
+def tPOP_RET : T1I<(outs), (ins pred:$p, reglist:$wb, variable_ops), IIC_Br,
+ "pop${p}\t$wb", []>,
+ T1Misc<{1,1,0,?,?,?,?}>;
+
+let isCall = 1,
+ Defs = [R0, R1, R2, R3, R12, LR,
+ D0, D1, D2, D3, D4, D5, D6, D7,
+ D16, D17, D18, D19, D20, D21, D22, D23,
+ D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
+ // Also used for Thumb2
+ def tBL : TIx2<0b11110, 0b11, 1,
+ (outs), (ins i32imm:$func, variable_ops), IIC_Br,
+ "bl\t${func:call}",
+ [(ARMtcall tglobaladdr:$func)]>,
+ Requires<[IsThumb, IsNotDarwin]>;
+
+ // ARMv5T and above, also used for Thumb2
+ def tBLXi : TIx2<0b11110, 0b11, 0,
+ (outs), (ins i32imm:$func, variable_ops), IIC_Br,
+ "blx\t${func:call}",
+ [(ARMcall tglobaladdr:$func)]>,
+ Requires<[IsThumb, HasV5T, IsNotDarwin]>;
+
+ // Also used for Thumb2
+ def tBLXr : TI<(outs), (ins GPR:$func, variable_ops), IIC_Br,
+ "blx\t$func",
+ [(ARMtcall GPR:$func)]>,
+ Requires<[IsThumb, HasV5T, IsNotDarwin]>,
+ T1Special<{1,1,1,?}>; // A6.2.3 & A8.6.24;
+
+ // ARMv4T
+ def tBX : TIx2<{?,?,?,?,?}, {?,?}, ?,
+ (outs), (ins tGPR:$func, variable_ops), IIC_Br,
+ "mov\tlr, pc\n\tbx\t$func",
+ [(ARMcall_nolink tGPR:$func)]>,
+ Requires<[IsThumb1Only, IsNotDarwin]>;
+}
+// On Darwin R9 is call-clobbered.
let isCall = 1,
- Defs = [R0, R1, R2, R3, LR,
- D0, D1, D2, D3, D4, D5, D6, D7] in {
- def tBL : TIx2<(outs), (ins i32imm:$func, variable_ops),
- "bl ${func:call}",
- [(ARMtcall tglobaladdr:$func)]>;
- // ARMv5T and above
- def tBLXi : TIx2<(outs), (ins i32imm:$func, variable_ops),
- "blx ${func:call}",
- [(ARMcall tglobaladdr:$func)]>, Requires<[HasV5T]>;
- def tBLXr : TI<(outs), (ins tGPR:$func, variable_ops),
- "blx $func",
- [(ARMtcall tGPR:$func)]>, Requires<[HasV5T]>;
+ Defs = [R0, R1, R2, R3, R9, R12, LR,
+ D0, D1, D2, D3, D4, D5, D6, D7,
+ D16, D17, D18, D19, D20, D21, D22, D23,
+ D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
+ // Also used for Thumb2
+ def tBLr9 : TIx2<0b11110, 0b11, 1,
+ (outs), (ins i32imm:$func, variable_ops), IIC_Br,
+ "bl\t${func:call}",
+ [(ARMtcall tglobaladdr:$func)]>,
+ Requires<[IsThumb, IsDarwin]>;
+
+ // ARMv5T and above, also used for Thumb2
+ def tBLXi_r9 : TIx2<0b11110, 0b11, 0,
+ (outs), (ins i32imm:$func, variable_ops), IIC_Br,
+ "blx\t${func:call}",
+ [(ARMcall tglobaladdr:$func)]>,
+ Requires<[IsThumb, HasV5T, IsDarwin]>;
+
+ // Also used for Thumb2
+ def tBLXr_r9 : TI<(outs), (ins GPR:$func, variable_ops), IIC_Br,
+ "blx\t$func",
+ [(ARMtcall GPR:$func)]>,
+ Requires<[IsThumb, HasV5T, IsDarwin]>,
+ T1Special<{1,1,1,?}>; // A6.2.3 & A8.6.24
+
// ARMv4T
- def tBX : TIx2<(outs), (ins tGPR:$func, variable_ops),
- "cpy lr, pc\n\tbx $func",
- [(ARMcall_nolink tGPR:$func)]>;
+ def tBXr9 : TIx2<{?,?,?,?,?}, {?,?}, ?,
+ (outs), (ins tGPR:$func, variable_ops), IIC_Br,
+ "mov\tlr, pc\n\tbx\t$func",
+ [(ARMcall_nolink tGPR:$func)]>,
+ Requires<[IsThumb1Only, IsDarwin]>;
}
let isBranch = 1, isTerminator = 1 in {
let isBarrier = 1 in {
let isPredicable = 1 in
- def tB : TI<(outs), (ins brtarget:$target), "b $target",
- [(br bb:$target)]>;
+ def tB : T1I<(outs), (ins brtarget:$target), IIC_Br,
+ "b\t$target", [(br bb:$target)]>,
+ T1Encoding<{1,1,1,0,0,?}>;
// Far jump
- def tBfar : TIx2<(outs), (ins brtarget:$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:$id)]>;
+ let Defs = [LR] in
+ def tBfar : TIx2<0b11110, 0b11, 1, (outs), (ins brtarget:$target), IIC_Br,
+ "bl\t$target\t@ far jump",[]>;
+
+ def tBR_JTr : T1JTI<(outs),
+ (ins tGPR:$target, jtblock_operand:$jt, i32imm:$id),
+ IIC_Br, "mov\tpc, $target\n\t.align\t2\n$jt",
+ [(ARMbrjt tGPR:$target, tjumptable:$jt, imm:$id)]>,
+ Encoding16 {
+ let Inst{15-7} = 0b010001101;
+ let Inst{2-0} = 0b111;
+ }
}
}
// FIXME: should be able to write a pattern for ARMBrcond, but can't use
// a two-value operand where a dag node expects two operands. :(
let isBranch = 1, isTerminator = 1 in
- def tBcc : TI<(outs), (ins brtarget:$target, pred:$cc), "b$cc $target",
- [/*(ARMbrcond bb:$target, imm:$cc)*/]>;
+ def tBcc : T1I<(outs), (ins brtarget:$target, pred:$cc), IIC_Br,
+ "b$cc\t$target",
+ [/*(ARMbrcond bb:$target, imm:$cc)*/]>,
+ T1Encoding<{1,1,0,1,?,?}>;
-//===----------------------------------------------------------------------===//
-// Load Store Instructions.
-//
+// Compare and branch on zero / non-zero
+let isBranch = 1, isTerminator = 1 in {
+ def tCBZ : T1I<(outs), (ins tGPR:$cmp, brtarget:$target), IIC_Br,
+ "cbz\t$cmp, $target", []>,
+ T1Misc<{0,0,?,1,?,?,?}>;
-let canFoldAsLoad = 1 in
-def tLDR : TI4<(outs tGPR:$dst), (ins t_addrmode_s4:$addr),
- "ldr $dst, $addr",
- [(set tGPR:$dst, (load t_addrmode_s4:$addr))]>;
+ def tCBNZ : T1I<(outs), (ins tGPR:$cmp, brtarget:$target), IIC_Br,
+ "cbnz\t$cmp, $target", []>,
+ T1Misc<{1,0,?,1,?,?,?}>;
+}
-def tLDRB : TI1<(outs tGPR:$dst), (ins t_addrmode_s1:$addr),
- "ldrb $dst, $addr",
- [(set tGPR:$dst, (zextloadi8 t_addrmode_s1:$addr))]>;
+// A8.6.218 Supervisor Call (Software Interrupt) -- for disassembly only
+// A8.6.16 B: Encoding T1
+// If Inst{11-8} == 0b1111 then SEE SVC
+let isCall = 1 in {
+def tSVC : T1pI<(outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc", []>,
+ Encoding16 {
+ let Inst{15-12} = 0b1101;
+ let Inst{11-8} = 0b1111;
+}
+}
-def tLDRH : TI2<(outs tGPR:$dst), (ins t_addrmode_s2:$addr),
- "ldrh $dst, $addr",
- [(set tGPR:$dst, (zextloadi16 t_addrmode_s2:$addr))]>;
+// A8.6.16 B: Encoding T1 -- for disassembly only
+// If Inst{11-8} == 0b1110 then UNDEFINED
+def tTRAP : T1I<(outs), (ins), IIC_Br, "trap", []>, Encoding16 {
+ let Inst{15-12} = 0b1101;
+ let Inst{11-8} = 0b1110;
+}
-def tLDRSB : TI1<(outs tGPR:$dst), (ins t_addrmode_rr:$addr),
- "ldrsb $dst, $addr",
- [(set tGPR:$dst, (sextloadi8 t_addrmode_rr:$addr))]>;
+//===----------------------------------------------------------------------===//
+// Load Store Instructions.
+//
-def tLDRSH : TI2<(outs tGPR:$dst), (ins t_addrmode_rr:$addr),
- "ldrsh $dst, $addr",
- [(set tGPR:$dst, (sextloadi16 t_addrmode_rr:$addr))]>;
+let canFoldAsLoad = 1, isReMaterializable = 1 in
+def tLDR : T1pI4<(outs tGPR:$dst), (ins t_addrmode_s4:$addr), IIC_iLoadr,
+ "ldr", "\t$dst, $addr",
+ [(set tGPR:$dst, (load t_addrmode_s4:$addr))]>,
+ T1LdSt<0b100>;
+def tLDRi: T1pI4<(outs tGPR:$dst), (ins t_addrmode_s4:$addr), IIC_iLoadr,
+ "ldr", "\t$dst, $addr",
+ []>,
+ T1LdSt4Imm<{1,?,?}>;
+
+def tLDRB : T1pI1<(outs tGPR:$dst), (ins t_addrmode_s1:$addr), IIC_iLoadr,
+ "ldrb", "\t$dst, $addr",
+ [(set tGPR:$dst, (zextloadi8 t_addrmode_s1:$addr))]>,
+ T1LdSt<0b110>;
+def tLDRBi: T1pI1<(outs tGPR:$dst), (ins t_addrmode_s1:$addr), IIC_iLoadr,
+ "ldrb", "\t$dst, $addr",
+ []>,
+ T1LdSt1Imm<{1,?,?}>;
+
+def tLDRH : T1pI2<(outs tGPR:$dst), (ins t_addrmode_s2:$addr), IIC_iLoadr,
+ "ldrh", "\t$dst, $addr",
+ [(set tGPR:$dst, (zextloadi16 t_addrmode_s2:$addr))]>,
+ T1LdSt<0b101>;
+def tLDRHi: T1pI2<(outs tGPR:$dst), (ins t_addrmode_s2:$addr), IIC_iLoadr,
+ "ldrh", "\t$dst, $addr",
+ []>,
+ T1LdSt2Imm<{1,?,?}>;
+
+let AddedComplexity = 10 in
+def tLDRSB : T1pI1<(outs tGPR:$dst), (ins t_addrmode_rr:$addr), IIC_iLoadr,
+ "ldrsb", "\t$dst, $addr",
+ [(set tGPR:$dst, (sextloadi8 t_addrmode_rr:$addr))]>,
+ T1LdSt<0b011>;
+
+let AddedComplexity = 10 in
+def tLDRSH : T1pI2<(outs tGPR:$dst), (ins t_addrmode_rr:$addr), IIC_iLoadr,
+ "ldrsh", "\t$dst, $addr",
+ [(set tGPR:$dst, (sextloadi16 t_addrmode_rr:$addr))]>,
+ T1LdSt<0b111>;
let canFoldAsLoad = 1 in
-def tLDRspi : TIs<(outs tGPR:$dst), (ins t_addrmode_sp:$addr),
- "ldr $dst, $addr",
- [(set tGPR:$dst, (load t_addrmode_sp:$addr))]>;
+def tLDRspi : T1pIs<(outs tGPR:$dst), (ins t_addrmode_sp:$addr), IIC_iLoadi,
+ "ldr", "\t$dst, $addr",
+ [(set tGPR:$dst, (load t_addrmode_sp:$addr))]>,
+ T1LdStSP<{1,?,?}>;
// Special instruction for restore. It cannot clobber condition register
// when it's expanded by eliminateCallFramePseudoInstr().
let canFoldAsLoad = 1, mayLoad = 1 in
-def tRestore : TIs<(outs tGPR:$dst), (ins t_addrmode_sp:$addr),
- "ldr $dst, $addr", []>;
+def tRestore : T1pIs<(outs tGPR:$dst), (ins t_addrmode_sp:$addr), IIC_iLoadi,
+ "ldr", "\t$dst, $addr", []>,
+ T1LdStSP<{1,?,?}>;
// Load tconstpool
-let canFoldAsLoad = 1 in
-def tLDRpci : TIs<(outs tGPR:$dst), (ins i32imm:$addr),
- "ldr $dst, $addr",
- [(set tGPR:$dst, (load (ARMWrapper tconstpool:$addr)))]>;
+// FIXME: Use ldr.n to work around a Darwin assembler bug.
+let canFoldAsLoad = 1, isReMaterializable = 1 in
+def tLDRpci : T1pIs<(outs tGPR:$dst), (ins i32imm:$addr), IIC_iLoadi,
+ "ldr", ".n\t$dst, $addr",
+ [(set tGPR:$dst, (load (ARMWrapper tconstpool:$addr)))]>,
+ T1Encoding<{0,1,0,0,1,?}>; // A6.2 & A8.6.59
// Special LDR for loads from non-pc-relative constpools.
let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1 in
-def tLDRcp : TIs<(outs tGPR:$dst), (ins i32imm:$addr),
- "ldr $dst, $addr", []>;
-
-def tSTR : TI4<(outs), (ins tGPR:$src, t_addrmode_s4:$addr),
- "str $src, $addr",
- [(store tGPR:$src, t_addrmode_s4:$addr)]>;
-
-def tSTRB : TI1<(outs), (ins tGPR:$src, t_addrmode_s1:$addr),
- "strb $src, $addr",
- [(truncstorei8 tGPR:$src, t_addrmode_s1:$addr)]>;
-
-def tSTRH : TI2<(outs), (ins tGPR:$src, t_addrmode_s2:$addr),
- "strh $src, $addr",
- [(truncstorei16 tGPR:$src, t_addrmode_s2:$addr)]>;
-
-def tSTRspi : TIs<(outs), (ins tGPR:$src, t_addrmode_sp:$addr),
- "str $src, $addr",
- [(store tGPR:$src, t_addrmode_sp:$addr)]>;
+def tLDRcp : T1pIs<(outs tGPR:$dst), (ins i32imm:$addr), IIC_iLoadi,
+ "ldr", "\t$dst, $addr", []>,
+ T1LdStSP<{1,?,?}>;
+
+def tSTR : T1pI4<(outs), (ins tGPR:$src, t_addrmode_s4:$addr), IIC_iStorer,
+ "str", "\t$src, $addr",
+ [(store tGPR:$src, t_addrmode_s4:$addr)]>,
+ T1LdSt<0b000>;
+def tSTRi: T1pI4<(outs), (ins tGPR:$src, t_addrmode_s4:$addr), IIC_iStorer,
+ "str", "\t$src, $addr",
+ []>,
+ T1LdSt4Imm<{0,?,?}>;
+
+def tSTRB : T1pI1<(outs), (ins tGPR:$src, t_addrmode_s1:$addr), IIC_iStorer,
+ "strb", "\t$src, $addr",
+ [(truncstorei8 tGPR:$src, t_addrmode_s1:$addr)]>,
+ T1LdSt<0b010>;
+def tSTRBi: T1pI1<(outs), (ins tGPR:$src, t_addrmode_s1:$addr), IIC_iStorer,
+ "strb", "\t$src, $addr",
+ []>,
+ T1LdSt1Imm<{0,?,?}>;
+
+def tSTRH : T1pI2<(outs), (ins tGPR:$src, t_addrmode_s2:$addr), IIC_iStorer,
+ "strh", "\t$src, $addr",
+ [(truncstorei16 tGPR:$src, t_addrmode_s2:$addr)]>,
+ T1LdSt<0b001>;
+def tSTRHi: T1pI2<(outs), (ins tGPR:$src, t_addrmode_s2:$addr), IIC_iStorer,
+ "strh", "\t$src, $addr",
+ []>,
+ T1LdSt2Imm<{0,?,?}>;
+
+def tSTRspi : T1pIs<(outs), (ins tGPR:$src, t_addrmode_sp:$addr), IIC_iStorei,
+ "str", "\t$src, $addr",
+ [(store tGPR:$src, t_addrmode_sp:$addr)]>,
+ T1LdStSP<{0,?,?}>;
let mayStore = 1 in {
// Special instruction for spill. It cannot clobber condition register
// when it's expanded by eliminateCallFramePseudoInstr().
-def tSpill : TIs<(outs), (ins tGPR:$src, t_addrmode_sp:$addr),
- "str $src, $addr", []>;
+def tSpill : T1pIs<(outs), (ins tGPR:$src, t_addrmode_sp:$addr), IIC_iStorei,
+ "str", "\t$src, $addr", []>,
+ T1LdStSP<{0,?,?}>;
}
//===----------------------------------------------------------------------===//
// Load / store multiple Instructions.
//
-// TODO: A7-44: LDMIA - load multiple
-
-let mayLoad = 1 in
-def tPOP : TI<(outs reglist:$dst1, variable_ops), (ins),
- "pop $dst1", []>;
-
-let mayStore = 1 in
-def tPUSH : TI<(outs), (ins reglist:$src1, variable_ops),
- "push $src1", []>;
+// These requires base address to be written back or one of the loaded regs.
+let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
+def tLDM : T1I<(outs),
+ (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
+ IIC_iLoadm,
+ "ldm${addr:submode}${p}\t$addr, $wb", []>,
+ T1Encoding<{1,1,0,0,1,?}>; // A6.2 & A8.6.53
+
+let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
+def tSTM : T1I<(outs),
+ (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
+ IIC_iStorem,
+ "stm${addr:submode}${p}\t$addr, $wb", []>,
+ T1Encoding<{1,1,0,0,0,?}>; // A6.2 & A8.6.189
+
+let mayLoad = 1, Uses = [SP], Defs = [SP], hasExtraDefRegAllocReq = 1 in
+def tPOP : T1I<(outs), (ins pred:$p, reglist:$wb, variable_ops), IIC_Br,
+ "pop${p}\t$wb", []>,
+ T1Misc<{1,1,0,?,?,?,?}>;
+
+let mayStore = 1, Uses = [SP], Defs = [SP], hasExtraSrcRegAllocReq = 1 in
+def tPUSH : T1I<(outs), (ins pred:$p, reglist:$wb, variable_ops), IIC_Br,
+ "push${p}\t$wb", []>,
+ T1Misc<{0,1,0,?,?,?,?}>;
//===----------------------------------------------------------------------===//
// Arithmetic Instructions.
//
-// Add with carry
-def tADC : TIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
- "adc $dst, $rhs",
- [(set tGPR:$dst, (adde tGPR:$lhs, tGPR:$rhs))]>;
-
-def tADDS : TI<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
- "add $dst, $lhs, $rhs",
- [(set tGPR:$dst, (addc tGPR:$lhs, tGPR:$rhs))]>;
-
-
-def tADDi3 : TI<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
- "add $dst, $lhs, $rhs",
- [(set tGPR:$dst, (add tGPR:$lhs, imm0_7:$rhs))]>;
-
-def tADDi8 : TIt<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
- "add $dst, $rhs",
- [(set tGPR:$dst, (add tGPR:$lhs, imm8_255:$rhs))]>;
-
-def tADDrr : TI<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
- "add $dst, $lhs, $rhs",
- [(set tGPR:$dst, (add tGPR:$lhs, tGPR:$rhs))]>;
-
-def tADDhirr : TIt<(outs tGPR:$dst), (ins GPR:$lhs, GPR:$rhs),
- "add $dst, $rhs @ addhirr", []>;
-
-def tADDrPCi : TI<(outs tGPR:$dst), (ins i32imm:$rhs),
- "add $dst, pc, $rhs * 4", []>;
-
-def tADDrSPi : TI<(outs tGPR:$dst), (ins GPR:$sp, i32imm:$rhs),
- "add $dst, $sp, $rhs * 4 @ addrspi", []>;
-
-def tADDspi : TIt<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
- "add $dst, $rhs * 4", []>;
-
-def tAND : TIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
- "and $dst, $rhs",
- [(set tGPR:$dst, (and tGPR:$lhs, tGPR:$rhs))]>;
-
-def tASRri : TI<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
- "asr $dst, $lhs, $rhs",
- [(set tGPR:$dst, (sra tGPR:$lhs, imm:$rhs))]>;
-
-def tASRrr : TIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
- "asr $dst, $rhs",
- [(set tGPR:$dst, (sra tGPR:$lhs, tGPR:$rhs))]>;
-
-def tBIC : TIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
- "bic $dst, $rhs",
- [(set tGPR:$dst, (and tGPR:$lhs, (not tGPR:$rhs)))]>;
-
-
-def tCMN : TI<(outs), (ins tGPR:$lhs, tGPR:$rhs),
- "cmn $lhs, $rhs",
- [(ARMcmp tGPR:$lhs, (ineg tGPR:$rhs))]>;
-
-def tCMPi8 : TI<(outs), (ins tGPR:$lhs, i32imm:$rhs),
- "cmp $lhs, $rhs",
- [(ARMcmp tGPR:$lhs, imm0_255:$rhs)]>;
-
-def tCMPr : TI<(outs), (ins tGPR:$lhs, tGPR:$rhs),
- "cmp $lhs, $rhs",
- [(ARMcmp tGPR:$lhs, tGPR:$rhs)]>;
-
-def tTST : TI<(outs), (ins tGPR:$lhs, tGPR:$rhs),
- "tst $lhs, $rhs",
- [(ARMcmpNZ (and tGPR:$lhs, tGPR:$rhs), 0)]>;
-
-def tCMNNZ : TI<(outs), (ins tGPR:$lhs, tGPR:$rhs),
- "cmn $lhs, $rhs",
- [(ARMcmpNZ tGPR:$lhs, (ineg tGPR:$rhs))]>;
-
-def tCMPNZi8 : TI<(outs), (ins tGPR:$lhs, i32imm:$rhs),
- "cmp $lhs, $rhs",
- [(ARMcmpNZ tGPR:$lhs, imm0_255:$rhs)]>;
-
-def tCMPNZr : TI<(outs), (ins tGPR:$lhs, tGPR:$rhs),
- "cmp $lhs, $rhs",
- [(ARMcmpNZ tGPR:$lhs, tGPR:$rhs)]>;
-
-// TODO: A7-37: CMP(3) - cmp hi regs
-
-def tEOR : TIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
- "eor $dst, $rhs",
- [(set tGPR:$dst, (xor tGPR:$lhs, tGPR:$rhs))]>;
-
-def tLSLri : TI<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
- "lsl $dst, $lhs, $rhs",
- [(set tGPR:$dst, (shl tGPR:$lhs, imm:$rhs))]>;
+// Add with carry register
+let isCommutable = 1, Uses = [CPSR] in
+def tADC : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iALUr,
+ "adc", "\t$dst, $rhs",
+ [(set tGPR:$dst, (adde tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b0101>;
+
+// Add immediate
+def tADDi3 : T1sI<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iALUi,
+ "add", "\t$dst, $lhs, $rhs",
+ [(set tGPR:$dst, (add tGPR:$lhs, imm0_7:$rhs))]>,
+ T1General<0b01110>;
+
+def tADDi8 : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iALUi,
+ "add", "\t$dst, $rhs",
+ [(set tGPR:$dst, (add tGPR:$lhs, imm8_255:$rhs))]>,
+ T1General<{1,1,0,?,?}>;
+
+// Add register
+let isCommutable = 1 in
+def tADDrr : T1sI<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iALUr,
+ "add", "\t$dst, $lhs, $rhs",
+ [(set tGPR:$dst, (add tGPR:$lhs, tGPR:$rhs))]>,
+ T1General<0b01100>;
+
+let neverHasSideEffects = 1 in
+def tADDhirr : T1pIt<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr,
+ "add", "\t$dst, $rhs", []>,
+ T1Special<{0,0,?,?}>;
+
+// And register
+let isCommutable = 1 in
+def tAND : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iALUr,
+ "and", "\t$dst, $rhs",
+ [(set tGPR:$dst, (and tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b0000>;
+
+// ASR immediate
+def tASRri : T1sI<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iMOVsi,
+ "asr", "\t$dst, $lhs, $rhs",
+ [(set tGPR:$dst, (sra tGPR:$lhs, (i32 imm:$rhs)))]>,
+ T1General<{0,1,0,?,?}>;
+
+// ASR register
+def tASRrr : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iMOVsr,
+ "asr", "\t$dst, $rhs",
+ [(set tGPR:$dst, (sra tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b0100>;
+
+// BIC register
+def tBIC : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iALUr,
+ "bic", "\t$dst, $rhs",
+ [(set tGPR:$dst, (and tGPR:$lhs, (not tGPR:$rhs)))]>,
+ T1DataProcessing<0b1110>;
+
+// CMN register
+let Defs = [CPSR] in {
+//FIXME: Disable CMN, as CCodes are backwards from compare expectations
+// Compare-to-zero still works out, just not the relationals
+//def tCMN : T1pI<(outs), (ins tGPR:$lhs, tGPR:$rhs), IIC_iCMPr,
+// "cmn", "\t$lhs, $rhs",
+// [(ARMcmp tGPR:$lhs, (ineg tGPR:$rhs))]>,
+// T1DataProcessing<0b1011>;
+def tCMNz : T1pI<(outs), (ins tGPR:$lhs, tGPR:$rhs), IIC_iCMPr,
+ "cmn", "\t$lhs, $rhs",
+ [(ARMcmpZ tGPR:$lhs, (ineg tGPR:$rhs))]>,
+ T1DataProcessing<0b1011>;
+}
-def tLSLrr : TIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
- "lsl $dst, $rhs",
- [(set tGPR:$dst, (shl tGPR:$lhs, tGPR:$rhs))]>;
+// CMP immediate
+let Defs = [CPSR] in {
+def tCMPi8 : T1pI<(outs), (ins tGPR:$lhs, i32imm:$rhs), IIC_iCMPi,
+ "cmp", "\t$lhs, $rhs",
+ [(ARMcmp tGPR:$lhs, imm0_255:$rhs)]>,
+ T1General<{1,0,1,?,?}>;
+def tCMPzi8 : T1pI<(outs), (ins tGPR:$lhs, i32imm:$rhs), IIC_iCMPi,
+ "cmp", "\t$lhs, $rhs",
+ [(ARMcmpZ tGPR:$lhs, imm0_255:$rhs)]>,
+ T1General<{1,0,1,?,?}>;
+}
-def tLSRri : TI<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
- "lsr $dst, $lhs, $rhs",
- [(set tGPR:$dst, (srl tGPR:$lhs, imm:$rhs))]>;
+// CMP register
+let Defs = [CPSR] in {
+def tCMPr : T1pI<(outs), (ins tGPR:$lhs, tGPR:$rhs), IIC_iCMPr,
+ "cmp", "\t$lhs, $rhs",
+ [(ARMcmp tGPR:$lhs, tGPR:$rhs)]>,
+ T1DataProcessing<0b1010>;
+def tCMPzr : T1pI<(outs), (ins tGPR:$lhs, tGPR:$rhs), IIC_iCMPr,
+ "cmp", "\t$lhs, $rhs",
+ [(ARMcmpZ tGPR:$lhs, tGPR:$rhs)]>,
+ T1DataProcessing<0b1010>;
+
+def tCMPhir : T1pI<(outs), (ins GPR:$lhs, GPR:$rhs), IIC_iCMPr,
+ "cmp", "\t$lhs, $rhs", []>,
+ T1Special<{0,1,?,?}>;
+def tCMPzhir : T1pI<(outs), (ins GPR:$lhs, GPR:$rhs), IIC_iCMPr,
+ "cmp", "\t$lhs, $rhs", []>,
+ T1Special<{0,1,?,?}>;
+}
-def tLSRrr : TIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
- "lsr $dst, $rhs",
- [(set tGPR:$dst, (srl tGPR:$lhs, tGPR:$rhs))]>;
-// FIXME: This is not rematerializable because mov changes the condition code.
-def tMOVi8 : TI<(outs tGPR:$dst), (ins i32imm:$src),
- "mov $dst, $src",
- [(set tGPR:$dst, imm0_255:$src)]>;
+// XOR register
+let isCommutable = 1 in
+def tEOR : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iALUr,
+ "eor", "\t$dst, $rhs",
+ [(set tGPR:$dst, (xor tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b0001>;
+
+// LSL immediate
+def tLSLri : T1sI<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iMOVsi,
+ "lsl", "\t$dst, $lhs, $rhs",
+ [(set tGPR:$dst, (shl tGPR:$lhs, (i32 imm:$rhs)))]>,
+ T1General<{0,0,0,?,?}>;
+
+// LSL register
+def tLSLrr : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iMOVsr,
+ "lsl", "\t$dst, $rhs",
+ [(set tGPR:$dst, (shl tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b0010>;
+
+// LSR immediate
+def tLSRri : T1sI<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iMOVsi,
+ "lsr", "\t$dst, $lhs, $rhs",
+ [(set tGPR:$dst, (srl tGPR:$lhs, (i32 imm:$rhs)))]>,
+ T1General<{0,0,1,?,?}>;
+
+// LSR register
+def tLSRrr : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iMOVsr,
+ "lsr", "\t$dst, $rhs",
+ [(set tGPR:$dst, (srl tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b0011>;
+
+// move register
+def tMOVi8 : T1sI<(outs tGPR:$dst), (ins i32imm:$src), IIC_iMOVi,
+ "mov", "\t$dst, $src",
+ [(set tGPR:$dst, imm0_255:$src)]>,
+ T1General<{1,0,0,?,?}>;
// TODO: A7-73: MOV(2) - mov setting flag.
-// Note: MOV(2) of two low regs updates the flags, so we emit this as 'cpy',
-// which is MOV(3). This also supports high registers.
-def tMOVr : TI<(outs tGPR:$dst), (ins tGPR:$src),
- "cpy $dst, $src", []>;
-def tMOVhir2lor : TI<(outs tGPR:$dst), (ins GPR:$src),
- "cpy $dst, $src\t@ hir2lor", []>;
-def tMOVlor2hir : TI<(outs GPR:$dst), (ins tGPR:$src),
- "cpy $dst, $src\t@ lor2hir", []>;
-def tMOVhir2hir : TI<(outs GPR:$dst), (ins GPR:$src),
- "cpy $dst, $src\t@ hir2hir", []>;
-
-def tMUL : TIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
- "mul $dst, $rhs",
- [(set tGPR:$dst, (mul tGPR:$lhs, tGPR:$rhs))]>;
-
-def tMVN : TI<(outs tGPR:$dst), (ins tGPR:$src),
- "mvn $dst, $src",
- [(set tGPR:$dst, (not tGPR:$src))]>;
-
-def tNEG : TI<(outs tGPR:$dst), (ins tGPR:$src),
- "neg $dst, $src",
- [(set tGPR:$dst, (ineg tGPR:$src))]>;
-
-def tORR : TIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
- "orr $dst, $rhs",
- [(set tGPR:$dst, (or tGPR:$lhs, tGPR:$rhs))]>;
-
-
-def tREV : TI<(outs tGPR:$dst), (ins tGPR:$src),
- "rev $dst, $src",
- [(set tGPR:$dst, (bswap tGPR:$src))]>,
- Requires<[IsThumb, HasV6]>;
-
-def tREV16 : TI<(outs tGPR:$dst), (ins tGPR:$src),
- "rev16 $dst, $src",
- [(set tGPR:$dst,
- (or (and (srl tGPR:$src, 8), 0xFF),
- (or (and (shl tGPR:$src, 8), 0xFF00),
- (or (and (srl tGPR:$src, 8), 0xFF0000),
- (and (shl tGPR:$src, 8), 0xFF000000)))))]>,
- Requires<[IsThumb, HasV6]>;
-
-def tREVSH : TI<(outs tGPR:$dst), (ins tGPR:$src),
- "revsh $dst, $src",
- [(set tGPR:$dst,
- (sext_inreg
- (or (srl (and tGPR:$src, 0xFFFF), 8),
- (shl tGPR:$src, 8)), i16))]>,
- Requires<[IsThumb, HasV6]>;
-
-def tROR : TIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
- "ror $dst, $rhs",
- [(set tGPR:$dst, (rotr tGPR:$lhs, tGPR:$rhs))]>;
+let neverHasSideEffects = 1 in {
+// FIXME: Make this predicable.
+def tMOVr : T1I<(outs tGPR:$dst), (ins tGPR:$src), IIC_iMOVr,
+ "mov\t$dst, $src", []>,
+ T1Special<0b1000>;
+let Defs = [CPSR] in
+def tMOVSr : T1I<(outs tGPR:$dst), (ins tGPR:$src), IIC_iMOVr,
+ "movs\t$dst, $src", []>, Encoding16 {
+ let Inst{15-6} = 0b0000000000;
+}
+// FIXME: Make these predicable.
+def tMOVgpr2tgpr : T1I<(outs tGPR:$dst), (ins GPR:$src), IIC_iMOVr,
+ "mov\t$dst, $src", []>,
+ T1Special<{1,0,0,?}>;
+def tMOVtgpr2gpr : T1I<(outs GPR:$dst), (ins tGPR:$src), IIC_iMOVr,
+ "mov\t$dst, $src", []>,
+ T1Special<{1,0,?,0}>;
+def tMOVgpr2gpr : T1I<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVr,
+ "mov\t$dst, $src", []>,
+ T1Special<{1,0,?,?}>;
+} // neverHasSideEffects
+
+// multiply register
+let isCommutable = 1 in
+def tMUL : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iMUL32,
+ "mul", "\t$dst, $rhs, $dst", /* A8.6.105 MUL Encoding T1 */
+ [(set tGPR:$dst, (mul tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b1101>;
+
+// move inverse register
+def tMVN : T1sI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iMOVr,
+ "mvn", "\t$dst, $src",
+ [(set tGPR:$dst, (not tGPR:$src))]>,
+ T1DataProcessing<0b1111>;
+
+// bitwise or register
+let isCommutable = 1 in
+def tORR : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iALUr,
+ "orr", "\t$dst, $rhs",
+ [(set tGPR:$dst, (or tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b1100>;
+
+// swaps
+def tREV : T1pI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iUNAr,
+ "rev", "\t$dst, $src",
+ [(set tGPR:$dst, (bswap tGPR:$src))]>,
+ Requires<[IsThumb1Only, HasV6]>,
+ T1Misc<{1,0,1,0,0,0,?}>;
+
+def tREV16 : T1pI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iUNAr,
+ "rev16", "\t$dst, $src",
+ [(set tGPR:$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<[IsThumb1Only, HasV6]>,
+ T1Misc<{1,0,1,0,0,1,?}>;
+
+def tREVSH : T1pI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iUNAr,
+ "revsh", "\t$dst, $src",
+ [(set tGPR:$dst,
+ (sext_inreg
+ (or (srl (and tGPR:$src, 0xFF00), (i32 8)),
+ (shl tGPR:$src, (i32 8))), i16))]>,
+ Requires<[IsThumb1Only, HasV6]>,
+ T1Misc<{1,0,1,0,1,1,?}>;
+
+// rotate right register
+def tROR : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iMOVsr,
+ "ror", "\t$dst, $rhs",
+ [(set tGPR:$dst, (rotr tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b0111>;
+
+// negate register
+def tRSB : T1sI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iALUi,
+ "rsb", "\t$dst, $src, #0",
+ [(set tGPR:$dst, (ineg tGPR:$src))]>,
+ T1DataProcessing<0b1001>;
+
+// Subtract with carry register
+let Uses = [CPSR] in
+def tSBC : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iALUr,
+ "sbc", "\t$dst, $rhs",
+ [(set tGPR:$dst, (sube tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b0110>;
+
+// Subtract immediate
+def tSUBi3 : T1sI<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iALUi,
+ "sub", "\t$dst, $lhs, $rhs",
+ [(set tGPR:$dst, (add tGPR:$lhs, imm0_7_neg:$rhs))]>,
+ T1General<0b01111>;
+
+def tSUBi8 : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iALUi,
+ "sub", "\t$dst, $rhs",
+ [(set tGPR:$dst, (add tGPR:$lhs, imm8_255_neg:$rhs))]>,
+ T1General<{1,1,1,?,?}>;
+
+// subtract register
+def tSUBrr : T1sI<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iALUr,
+ "sub", "\t$dst, $lhs, $rhs",
+ [(set tGPR:$dst, (sub tGPR:$lhs, tGPR:$rhs))]>,
+ T1General<0b01101>;
-// Subtract with carry
-def tSBC : TIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
- "sbc $dst, $rhs",
- [(set tGPR:$dst, (sube tGPR:$lhs, tGPR:$rhs))]>;
+// TODO: A7-96: STMIA - store multiple.
-def tSUBS : TI<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
- "sub $dst, $lhs, $rhs",
- [(set tGPR:$dst, (subc tGPR:$lhs, tGPR:$rhs))]>;
+// sign-extend byte
+def tSXTB : T1pI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iUNAr,
+ "sxtb", "\t$dst, $src",
+ [(set tGPR:$dst, (sext_inreg tGPR:$src, i8))]>,
+ Requires<[IsThumb1Only, HasV6]>,
+ T1Misc<{0,0,1,0,0,1,?}>;
+
+// sign-extend short
+def tSXTH : T1pI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iUNAr,
+ "sxth", "\t$dst, $src",
+ [(set tGPR:$dst, (sext_inreg tGPR:$src, i16))]>,
+ Requires<[IsThumb1Only, HasV6]>,
+ T1Misc<{0,0,1,0,0,0,?}>;
+
+// test
+let isCommutable = 1, Defs = [CPSR] in
+def tTST : T1pI<(outs), (ins tGPR:$lhs, tGPR:$rhs), IIC_iCMPr,
+ "tst", "\t$lhs, $rhs",
+ [(ARMcmpZ (and tGPR:$lhs, tGPR:$rhs), 0)]>,
+ T1DataProcessing<0b1000>;
+
+// zero-extend byte
+def tUXTB : T1pI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iUNAr,
+ "uxtb", "\t$dst, $src",
+ [(set tGPR:$dst, (and tGPR:$src, 0xFF))]>,
+ Requires<[IsThumb1Only, HasV6]>,
+ T1Misc<{0,0,1,0,1,1,?}>;
+
+// zero-extend short
+def tUXTH : T1pI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iUNAr,
+ "uxth", "\t$dst, $src",
+ [(set tGPR:$dst, (and tGPR:$src, 0xFFFF))]>,
+ Requires<[IsThumb1Only, HasV6]>,
+ T1Misc<{0,0,1,0,1,0,?}>;
+
+
+// Conditional move tMOVCCr - Used to implement the Thumb SELECT_CC operation.
+// Expanded after instruction selection into a branch sequence.
+let usesCustomInserter = 1 in // Expanded after instruction selection.
+ def tMOVCCr_pseudo :
+ PseudoInst<(outs tGPR:$dst), (ins tGPR:$false, tGPR:$true, pred:$cc),
+ NoItinerary, "@ tMOVCCr $cc",
+ [/*(set tGPR:$dst, (ARMcmov tGPR:$false, tGPR:$true, imm:$cc))*/]>;
-// TODO: A7-96: STMIA - store multiple.
+// 16-bit movcc in IT blocks for Thumb2.
+def tMOVCCr : T1pIt<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iCMOVr,
+ "mov", "\t$dst, $rhs", []>,
+ T1Special<{1,0,?,?}>;
-def tSUBi3 : TI<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
- "sub $dst, $lhs, $rhs",
- [(set tGPR:$dst, (add tGPR:$lhs, imm0_7_neg:$rhs))]>;
-
-def tSUBi8 : TIt<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
- "sub $dst, $rhs",
- [(set tGPR:$dst, (add tGPR:$lhs, imm8_255_neg:$rhs))]>;
-
-def tSUBrr : TI<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
- "sub $dst, $lhs, $rhs",
- [(set tGPR:$dst, (sub tGPR:$lhs, tGPR:$rhs))]>;
-
-def tSUBspi : TIt<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs),
- "sub $dst, $rhs * 4", []>;
-
-def tSXTB : TI<(outs tGPR:$dst), (ins tGPR:$src),
- "sxtb $dst, $src",
- [(set tGPR:$dst, (sext_inreg tGPR:$src, i8))]>,
- Requires<[IsThumb, HasV6]>;
-def tSXTH : TI<(outs tGPR:$dst), (ins tGPR:$src),
- "sxth $dst, $src",
- [(set tGPR:$dst, (sext_inreg tGPR:$src, i16))]>,
- Requires<[IsThumb, HasV6]>;
-
-
-def tUXTB : TI<(outs tGPR:$dst), (ins tGPR:$src),
- "uxtb $dst, $src",
- [(set tGPR:$dst, (and tGPR:$src, 0xFF))]>,
- Requires<[IsThumb, HasV6]>;
-def tUXTH : TI<(outs tGPR:$dst), (ins tGPR:$src),
- "uxth $dst, $src",
- [(set tGPR:$dst, (and tGPR:$src, 0xFFFF))]>,
- Requires<[IsThumb, HasV6]>;
-
-
-// Conditional move tMOVCCr - Used to implement the Thumb SELECT_CC DAG operation.
-// Expanded by the scheduler into a branch sequence.
-let usesCustomDAGSchedInserter = 1 in // Expanded by the scheduler.
- def tMOVCCr :
- PseudoInst<(outs tGPR:$dst), (ins tGPR:$false, tGPR:$true, pred:$cc),
- "@ tMOVCCr $cc",
- [/*(set tGPR:$dst, (ARMcmov tGPR:$false, tGPR:$true, imm:$cc))*/]>;
+def tMOVCCi : T1pIt<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iCMOVi,
+ "mov", "\t$dst, $rhs", []>,
+ T1General<{1,0,0,?,?}>;
// tLEApcrel - Load a pc-relative address into a register without offending the
// assembler.
-def tLEApcrel : TIx2<(outs tGPR:$dst), (ins i32imm:$label),
- !strconcat(!strconcat(".set PCRELV${:uid}, ($label-(",
- "${:private}PCRELL${:uid}+4))\n"),
- !strconcat("\tmov $dst, #PCRELV${:uid}\n",
- "${:private}PCRELL${:uid}:\n\tadd $dst, pc")),
- []>;
-
-def tLEApcrelJT : TIx2<(outs tGPR:$dst), (ins i32imm:$label, i32imm:$id),
- !strconcat(!strconcat(".set PCRELV${:uid}, (${label}_${id:no_hash}-(",
- "${:private}PCRELL${:uid}+4))\n"),
- !strconcat("\tmov $dst, #PCRELV${:uid}\n",
- "${:private}PCRELL${:uid}:\n\tadd $dst, pc")),
- []>;
+def tLEApcrel : T1I<(outs tGPR:$dst), (ins i32imm:$label, pred:$p), IIC_iALUi,
+ "adr$p\t$dst, #$label", []>,
+ T1Encoding<{1,0,1,0,0,?}>; // A6.2 & A8.6.10
+
+def tLEApcrelJT : T1I<(outs tGPR:$dst),
+ (ins i32imm:$label, nohash_imm:$id, pred:$p),
+ IIC_iALUi, "adr$p\t$dst, #${label}_${id}", []>,
+ T1Encoding<{1,0,1,0,0,?}>; // A6.2 & A8.6.10
//===----------------------------------------------------------------------===//
// 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)]>;
+ def tTPsoft : TIx2<0b11110, 0b11, 1, (outs), (ins), IIC_Br,
+ "bl\t__aeabi_read_tp",
+ [(set R0, ARMthread_pointer)]>;
}
+// SJLJ Exception handling intrinsics
+// eh_sjlj_setjmp() is an 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.
+// The current SP is passed in $val, and we reuse the reg as a scratch.
+let Defs =
+ [ R0, R1, R2, R3, R4, R5, R6, R7, R12 ] in {
+ def tInt_eh_sjlj_setjmp : ThumbXI<(outs),(ins tGPR:$src, tGPR:$val),
+ AddrModeNone, SizeSpecial, NoItinerary,
+ "str\t$val, [$src, #8]\t@ begin eh.setjmp\n"
+ "\tmov\t$val, pc\n"
+ "\tadds\t$val, #9\n"
+ "\tstr\t$val, [$src, #4]\n"
+ "\tmovs\tr0, #0\n"
+ "\tb\t1f\n"
+ "\tmovs\tr0, #1\t@ end eh.setjmp\n"
+ "1:", "",
+ [(set R0, (ARMeh_sjlj_setjmp tGPR:$src, tGPR:$val))]>;
+}
//===----------------------------------------------------------------------===//
// Non-Instruction Patterns
//
+// Add with carry
+def : T1Pat<(addc tGPR:$lhs, imm0_7:$rhs),
+ (tADDi3 tGPR:$lhs, imm0_7:$rhs)>;
+def : T1Pat<(addc tGPR:$lhs, imm8_255:$rhs),
+ (tADDi8 tGPR:$lhs, imm8_255:$rhs)>;
+def : T1Pat<(addc tGPR:$lhs, tGPR:$rhs),
+ (tADDrr tGPR:$lhs, tGPR:$rhs)>;
+
+// Subtract with carry
+def : T1Pat<(addc tGPR:$lhs, imm0_7_neg:$rhs),
+ (tSUBi3 tGPR:$lhs, imm0_7_neg:$rhs)>;
+def : T1Pat<(addc tGPR:$lhs, imm8_255_neg:$rhs),
+ (tSUBi8 tGPR:$lhs, imm8_255_neg:$rhs)>;
+def : T1Pat<(subc tGPR:$lhs, tGPR:$rhs),
+ (tSUBrr tGPR:$lhs, tGPR:$rhs)>;
+
// ConstantPool, GlobalAddress
-def : ThumbPat<(ARMWrapper tglobaladdr :$dst), (tLEApcrel tglobaladdr :$dst)>;
-def : ThumbPat<(ARMWrapper tconstpool :$dst), (tLEApcrel tconstpool :$dst)>;
+def : T1Pat<(ARMWrapper tglobaladdr :$dst), (tLEApcrel tglobaladdr :$dst)>;
+def : T1Pat<(ARMWrapper tconstpool :$dst), (tLEApcrel tconstpool :$dst)>;
// JumpTable
-def : ThumbPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
- (tLEApcrelJT tjumptable:$dst, imm:$id)>;
+def : T1Pat<(ARMWrapperJT tjumptable:$dst, imm:$id),
+ (tLEApcrelJT tjumptable:$dst, imm:$id)>;
// Direct calls
-def : ThumbPat<(ARMtcall texternalsym:$func), (tBL texternalsym:$func)>;
-def : ThumbV5Pat<(ARMcall texternalsym:$func), (tBLXi texternalsym:$func)>;
+def : T1Pat<(ARMtcall texternalsym:$func), (tBL texternalsym:$func)>,
+ Requires<[IsThumb, IsNotDarwin]>;
+def : T1Pat<(ARMtcall texternalsym:$func), (tBLr9 texternalsym:$func)>,
+ Requires<[IsThumb, IsDarwin]>;
+
+def : Tv5Pat<(ARMcall texternalsym:$func), (tBLXi texternalsym:$func)>,
+ Requires<[IsThumb, HasV5T, IsNotDarwin]>;
+def : Tv5Pat<(ARMcall texternalsym:$func), (tBLXi_r9 texternalsym:$func)>,
+ Requires<[IsThumb, HasV5T, IsDarwin]>;
// Indirect calls to ARM routines
-def : ThumbV5Pat<(ARMcall tGPR:$dst), (tBLXr tGPR:$dst)>;
+def : Tv5Pat<(ARMcall GPR:$dst), (tBLXr GPR:$dst)>,
+ Requires<[IsThumb, HasV5T, IsNotDarwin]>;
+def : Tv5Pat<(ARMcall GPR:$dst), (tBLXr_r9 GPR:$dst)>,
+ Requires<[IsThumb, HasV5T, IsDarwin]>;
// zextload i1 -> zextload i8
-def : ThumbPat<(zextloadi1 t_addrmode_s1:$addr),
- (tLDRB t_addrmode_s1:$addr)>;
+def : T1Pat<(zextloadi1 t_addrmode_s1:$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:$addr)>;
+def : T1Pat<(extloadi1 t_addrmode_s1:$addr), (tLDRB t_addrmode_s1:$addr)>;
+def : T1Pat<(extloadi8 t_addrmode_s1:$addr), (tLDRB t_addrmode_s1:$addr)>;
+def : T1Pat<(extloadi16 t_addrmode_s2:$addr), (tLDRH t_addrmode_s2:$addr)>;
+
+// If it's impossible to use [r,r] address mode for sextload, select to
+// ldr{b|h} + sxt{b|h} instead.
+def : T1Pat<(sextloadi8 t_addrmode_s1:$addr),
+ (tSXTB (tLDRB t_addrmode_s1:$addr))>,
+ Requires<[IsThumb1Only, HasV6]>;
+def : T1Pat<(sextloadi16 t_addrmode_s2:$addr),
+ (tSXTH (tLDRH t_addrmode_s2:$addr))>,
+ Requires<[IsThumb1Only, HasV6]>;
+
+def : T1Pat<(sextloadi8 t_addrmode_s1:$addr),
+ (tASRri (tLSLri (tLDRB t_addrmode_s1:$addr), 24), 24)>;
+def : T1Pat<(sextloadi16 t_addrmode_s1:$addr),
+ (tASRri (tLSLri (tLDRH t_addrmode_s1:$addr), 16), 16)>;
// Large immediate handling.
// Two piece imms.
-def : ThumbPat<(i32 thumb_immshifted:$src),
- (tLSLri (tMOVi8 (thumb_immshifted_val imm:$src)),
- (thumb_immshifted_shamt imm:$src))>;
-
-def : ThumbPat<(i32 imm0_255_comp:$src),
- (tMVN (tMOVi8 (imm_comp_XFORM imm:$src)))>;
+def : T1Pat<(i32 thumb_immshifted:$src),
+ (tLSLri (tMOVi8 (thumb_immshifted_val imm:$src)),
+ (thumb_immshifted_shamt imm:$src))>;
+
+def : T1Pat<(i32 imm0_255_comp:$src),
+ (tMVN (tMOVi8 (imm_comp_XFORM imm:$src)))>;
+
+// Pseudo instruction that combines ldr from constpool and add pc. This should
+// be expanded into two instructions late to allow if-conversion and
+// scheduling.
+let isReMaterializable = 1 in
+def tLDRpci_pic : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr, pclabel:$cp),
+ NoItinerary, "@ ldr.n\t$dst, $addr\n$cp:\n\tadd\t$dst, pc",
+ [(set GPR:$dst, (ARMpic_add (load (ARMWrapper tconstpool:$addr)),
+ imm:$cp))]>,
+ Requires<[IsThumb1Only]>;
projects / oota-llvm.git / blobdiff