// 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.
+// $val is a scratch register for our use.
let Defs =
[ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
- D31 ] in {
+ D31 ], hasSideEffects = 1, isBarrier = 1 in {
def t2Int_eh_sjlj_setjmp : Thumb2XI<(outs), (ins GPR:$src, tGPR:$val),
AddrModeNone, SizeSpecial, NoItinerary,
- "str\t$val, [$src, #8]\t${:comment} 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${:comment} end eh.setjmp\n"
+ "mov\t$val, pc\t${:comment} begin eh.setjmp\n\t"
+ "adds\t$val, #7\n\t"
+ "str\t$val, [$src, #4]\n\t"
+ "movs\tr0, #0\n\t"
+ "b\t1f\n\t"
+ "movs\tr0, #1\t${:comment} end eh.setjmp\n\t"
"1:", "",
[(set R0, (ARMeh_sjlj_setjmp GPR:$src, tGPR:$val))]>,
Requires<[IsThumb2, HasVFP2]>;
}
let Defs =
- [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ] in {
+ [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
+ hasSideEffects = 1, isBarrier = 1 in {
def t2Int_eh_sjlj_setjmp_nofp : Thumb2XI<(outs), (ins GPR:$src, tGPR:$val),
AddrModeNone, SizeSpecial, NoItinerary,
- "str\t$val, [$src, #8]\t${:comment} 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${:comment} end eh.setjmp\n"
+ "mov\t$val, pc\t${:comment} begin eh.setjmp\n\t"
+ "adds\t$val, #7\n\t"
+ "str\t$val, [$src, #4]\n\t"
+ "movs\tr0, #0\n\t"
+ "b\t1f\n\t"
+ "movs\tr0, #1\t${:comment} end eh.setjmp\n\t"
"1:", "",
[(set R0, (ARMeh_sjlj_setjmp GPR:$src, tGPR:$val))]>,
Requires<[IsThumb2, NoVFP]>;
// IT block
+let Defs = [ITSTATE] in
def t2IT : Thumb2XI<(outs), (ins it_pred:$cc, it_mask:$mask),
AddrModeNone, Size2Bytes, IIC_iALUx,
"it$mask\t$cc", "", []> {
// scheduling.
let canFoldAsLoad = 1, isReMaterializable = 1 in
def t2LDRpci_pic : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr, pclabel:$cp),
- NoItinerary, "${:comment} ldr.w\t$dst, $addr\n$cp:\n\tadd\t$dst, pc",
+ NoItinerary,
+ "${:comment} ldr.w\t$dst, $addr\n$cp:\n\tadd\t$dst, pc",
[(set GPR:$dst, (ARMpic_add (load (ARMWrapper tconstpool:$addr)),
imm:$cp))]>,
Requires<[IsThumb2]>;