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Fix for setjmp/longjmp exception handling on ARM. setjmp clobbers CPSR.

Browse Source 
rdar://problem/9556069


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132699 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick 2011-06-07 00:08:49 +00:00
parent b3e705f889
commit a1099f184d
3 changed files with 5 additions and 5 deletions
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4
lib/Target/ARM/ARMInstrInfo.td
View File

@ -3772,7 +3772,7 @@ let isCall = 1,
// These are pseudo-instructions and are lowered to individual MC-insts, so
// no encoding information is necessary.
let Defs =
[ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR,
[ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
NoItinerary,
@ -3781,7 +3781,7 @@ let Defs =
}
let Defs =
[ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
[ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
hasSideEffects = 1, isBarrier = 1 in {
def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
NoItinerary,

2
lib/Target/ARM/ARMInstrThumb.td
View File

@ -1460,7 +1460,7 @@ def tTPsoft : TIx2<0b11110, 0b11, 1, (outs), (ins), IIC_Br,
// 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.
// $val is a scratch register for our use.
let Defs = [ R0, R1, R2, R3, R4, R5, R6, R7, R12 ],
let Defs = [ R0, R1, R2, R3, R4, R5, R6, R7, R12, CPSR ],
hasSideEffects = 1, isBarrier = 1, isCodeGenOnly = 1 in
def tInt_eh_sjlj_setjmp : ThumbXI<(outs),(ins tGPR:$src, tGPR:$val),
AddrModeNone, SizeSpecial, NoItinerary, "","",

4
lib/Target/ARM/ARMInstrThumb2.td
View File

@ -2969,7 +2969,7 @@ let isCall = 1,
// all of the callee-saved resgisters, which is exactly what we want.
// $val is a scratch register for our use.
let Defs =
[ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR,
[ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
QQQQ0, QQQQ1, QQQQ2, QQQQ3 ],
hasSideEffects = 1, isBarrier = 1, isCodeGenOnly = 1 in {
def t2Int_eh_sjlj_setjmp : Thumb2XI<(outs), (ins tGPR:$src, tGPR:$val),
@ -2979,7 +2979,7 @@ let Defs =
}
let Defs =
[ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
[ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
hasSideEffects = 1, isBarrier = 1, isCodeGenOnly = 1 in {
def t2Int_eh_sjlj_setjmp_nofp : Thumb2XI<(outs), (ins tGPR:$src, tGPR:$val),
AddrModeNone, SizeSpecial, NoItinerary, "", "",