diff options
Diffstat (limited to 'lib/Target/ARM/ARMInstrInfo.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index cdc0ee5..d2e4c34 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -40,7 +40,7 @@ def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>, SDTCisPtrTy<1>, SDTCisVT<2, i32>]>; def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>; -def SDT_ARMBuiltinSetjmp : SDTypeProfile<1, 1, [SDTCisInt<0>, SDTCisPtrTy<1>]>; +def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 1, [SDTCisInt<0>, SDTCisPtrTy<1>]>; // Node definitions. def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>; @@ -85,7 +85,7 @@ def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>; def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>; def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>; -def ARMbuiltin_setjmp: SDNode<"ARMISD::BUILTIN_SETJMP", SDT_ARMBuiltinSetjmp>; +def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP", SDT_ARMEH_SJLJ_Setjmp>; //===----------------------------------------------------------------------===// // ARM Instruction Predicate Definitions. @@ -1269,23 +1269,25 @@ let isCall = 1, //===----------------------------------------------------------------------===// // SJLJ Exception handling intrinsics -// setjmp() is a three instruction sequence to store the return address -// and save #0 in R0 for the non-longjmp case. +// 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 setjmp(), else it will almost certainly have been tromped upon +// 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. +// 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_builtin_setjmp : XI<(outs), (ins GPR:$src), + def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src), AddrModeNone, SizeSpecial, IndexModeNone, Pseudo, "add r0, pc, #4\n\t" "str r0, [$src, #+4]\n\t" - "mov r0, #0 @ setjmp", "", - [(set R0, (ARMbuiltin_setjmp GPR:$src))]>; + "mov r0, #0 @ eh_setjmp", "", + [(set R0, (ARMeh_sjlj_setjmp GPR:$src))]>; } //===----------------------------------------------------------------------===// |