T1Encoding<{1,0,1,0,0,?}>; // A6.2 & A8.6.10
// ADD rd, sp, #imm8
+// This is rematerializable, which is particularly useful for taking the
+// address of locals.
+let isReMaterializable = 1 in {
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,
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:$rhs),
- NoItinerary, "${:comment} sub\t$dst, $rhs", []>;
-
-def tADDspr_ : PseudoInst<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs),
- NoItinerary, "${:comment} add\t$dst, $rhs", []>;
-
-let Defs = [CPSR] in
-def tANDsp : PseudoInst<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs),
- NoItinerary, "${:comment} and\t$dst, $rhs", []>;
-} // usesCustomInserter
-
//===----------------------------------------------------------------------===//
// Control Flow Instructions.
//
// FIXME: remove when we have a way to marking a MI with these properties.
let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
hasExtraDefRegAllocReq = 1 in
-def tPOP_RET : T1I<(outs), (ins pred:$p, reglist:$dsts, variable_ops), IIC_Br,
+def tPOP_RET : T1I<(outs), (ins pred:$p, reglist:$dsts, variable_ops),
+ IIC_iLoadmBr,
"pop${p}\t$dsts", []>,
T1Misc<{1,1,0,?,?,?,?}>;
def tBR_JTr : T1JTI<(outs),
(ins tGPR:$target, jtblock_operand:$jt, i32imm:$id),
- IIC_Br, "mov\tpc, $target\n\t.align\t2\n$jt",
+ IIC_Br, "mov\tpc, $target\n\t.align\t2$jt",
[(ARMbrjt tGPR:$target, tjumptable:$jt, imm:$id)]>,
Encoding16 {
let Inst{15-7} = 0b010001101;
// Load / store multiple Instructions.
//
-// These requires base address to be written back or one of the loaded regs.
+// These require base address to be written back or one of the loaded regs.
let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
def tLDM : T1I<(outs),
(ins addrmode4:$addr, pred:$p, reglist:$dsts, variable_ops),
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:$p, reglist:$dsts, variable_ops), IIC_Br,
+def tPOP : T1I<(outs), (ins pred:$p, reglist:$dsts, variable_ops), IIC_iLoadmBr,
"pop${p}\t$dsts", []>,
T1Misc<{1,1,0,?,?,?,?}>;
let mayStore = 1, Uses = [SP], Defs = [SP], hasExtraSrcRegAllocReq = 1 in
-def tPUSH : T1I<(outs), (ins pred:$p, reglist:$srcs, variable_ops), IIC_Br,
+def tPUSH : T1I<(outs), (ins pred:$p, reglist:$srcs, variable_ops), IIC_iStorem,
"push${p}\t$srcs", []>,
T1Misc<{0,1,0,?,?,?,?}>;