}
def tSETEND : T1I<(outs), (ins setend_op:$end), NoItinerary, "setend\t$end",
- []>, T1Encoding<0b101101>, Deprecated<HasV8Ops> {
+ []>, T1Encoding<0b101101>, Requires<[IsNotMClass]>, Deprecated<HasV8Ops> {
bits<1> end;
// A8.6.156
let Inst{9-5} = 0b10010;
let DecoderMethod = "DecodeThumbAddSpecialReg";
}
+// Thumb1 frame lowering is rather fragile, we hope to be able to use
+// tADDrSPi, but we may need to insert a sequence that clobbers CPSR.
+def tADDframe : PseudoInst<(outs tGPR:$dst), (ins i32imm:$base, i32imm:$offset),
+ NoItinerary, []>,
+ Requires<[IsThumb, IsThumb1Only]> {
+ let Defs = [CPSR];
+}
+
// ADD sp, sp, #<imm7>
def tADDspi : T1pIt<(outs GPRsp:$Rdn), (ins GPRsp:$Rn, t_imm0_508s4:$imm),
IIC_iALUi, "add", "\t$Rdn, $imm", []>,
(outs), (ins pred:$p, t_blxtarget:$func), IIC_Br,
"blx${p}\t$func",
[(ARMcall tglobaladdr:$func)]>,
- Requires<[IsThumb, HasV5T]>, Sched<[WriteBrL]> {
+ Requires<[IsThumb, HasV5T, IsNotMClass]>, Sched<[WriteBrL]> {
bits<24> func;
let Inst{26} = func{23};
let Inst{25-16} = func{20-11};
//
// These require base address to be written back or one of the loaded regs.
-let neverHasSideEffects = 1 in {
+let hasSideEffects = 0 in {
let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
def tLDMIA : T1I<(outs), (ins tGPR:$Rn, pred:$p, reglist:$regs, variable_ops),
let Inst{7-0} = regs;
}
-} // neverHasSideEffects
+} // hasSideEffects
def : InstAlias<"ldm${p} $Rn!, $regs",
(tLDMIA tGPR:$Rn, pred:$p, reglist:$regs)>,
"add", "\t$Rd, $Rn, $Rm",
[(set tGPR:$Rd, (add tGPR:$Rn, tGPR:$Rm))]>, Sched<[WriteALU]>;
-let neverHasSideEffects = 1 in
+let hasSideEffects = 0 in
def tADDhirr : T1pIt<(outs GPR:$Rdn), (ins GPR:$Rn, GPR:$Rm), IIC_iALUr,
"add", "\t$Rdn, $Rm", []>,
T1Special<{0,0,?,?}>, Sched<[WriteALU]> {
// A7-73: MOV(2) - mov setting flag.
-let neverHasSideEffects = 1 in {
+let hasSideEffects = 0 in {
def tMOVr : Thumb1pI<(outs GPR:$Rd), (ins GPR:$Rm), AddrModeNone,
2, IIC_iMOVr,
"mov", "\t$Rd, $Rm", "", []>,
let Inst{5-3} = Rm;
let Inst{2-0} = Rd;
}
-} // neverHasSideEffects
+} // hasSideEffects
// Multiply register
let isCommutable = 1 in
let DecoderMethod = "DecodeThumbAddSpecialReg";
}
-let neverHasSideEffects = 1, isReMaterializable = 1 in
+let hasSideEffects = 0, isReMaterializable = 1 in
def tLEApcrel : tPseudoInst<(outs tGPR:$Rd), (ins i32imm:$label, pred:$p),
2, IIC_iALUi, []>, Sched<[WriteALU]>;
AddrModeNone, 0, IndexModeNone,
Pseudo, NoItinerary, "", "",
[(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
- Requires<[IsThumb, IsIOS]>;
+ Requires<[IsThumb]>;
//===----------------------------------------------------------------------===//
// Non-Instruction Patterns
Requires<[IsThumb]>;
def : Tv5Pat<(ARMcall texternalsym:$func), (tBLXi texternalsym:$func)>,
- Requires<[IsThumb, HasV5T]>;
+ Requires<[IsThumb, HasV5T, IsNotMClass]>;
// Indirect calls to ARM routines
def : Tv5Pat<(ARMcall GPR:$dst), (tBLXr GPR:$dst)>,