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* bail out early if possible

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git-svn-id: trunk@44794 -
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florian 2020-04-18 17:58:44 +00:00
parent 4b59bcb0ca
commit 2b3d7dd42c
1 changed files with 8 additions and 12 deletions
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20
compiler/aarch64/aoptcpu.pas
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@ -409,21 +409,19 @@ Implementation
b abc
}
if MatchInstruction(p, A_STP, [C_None], [PF_None]) and
MatchOpType(taicpu(p),top_reg,top_reg,top_ref) and
(taicpu(p).oper[0]^.reg = NR_X29) and
(taicpu(p).oper[1]^.reg = NR_X30) and
(taicpu(p).oper[2]^.ref^.base=NR_STACK_POINTER_REG) and
(taicpu(p).oper[2]^.ref^.index=NR_NO) and
(taicpu(p).oper[2]^.ref^.offset=-16) and
(taicpu(p).oper[2]^.ref^.addressmode=AM_PREINDEXED) and
GetNextInstruction(p, hp1) and
GetNextInstruction(hp1, hp2) and
SkipEntryExitMarker(hp2, hp2) and
GetNextInstruction(hp2, hp3) and
SkipEntryExitMarker(hp3, hp3) and
GetNextInstruction(hp3, hp4) and
(taicpu(p).oper[0]^.typ = top_reg) and
(taicpu(p).oper[0]^.reg = NR_X29) and
(taicpu(p).oper[1]^.typ = top_reg) and
(taicpu(p).oper[1]^.reg = NR_X30) and
(taicpu(p).oper[2]^.typ = top_ref) and
(taicpu(p).oper[2]^.ref^.base=NR_STACK_POINTER_REG) and
(taicpu(p).oper[2]^.ref^.index=NR_NO) and
(taicpu(p).oper[2]^.ref^.offset=-16) and
(taicpu(p).oper[2]^.ref^.addressmode=AM_PREINDEXED) and
MatchInstruction(hp1, A_MOV, [C_None], [PF_NONE]) and
MatchOperand(taicpu(hp1).oper[0]^,taicpu(p).oper[0]^) and
@ -434,11 +432,9 @@ Implementation
(taicpu(hp2).oper[0]^.typ = top_ref) and
MatchInstruction(hp3, A_LDP, [C_None], [PF_NONE]) and
(taicpu(hp3).oper[0]^.typ = top_reg) and
MatchOpType(taicpu(hp3),top_reg,top_reg,top_ref) and
(taicpu(hp3).oper[0]^.reg = NR_X29) and
(taicpu(hp3).oper[1]^.typ = top_reg) and
(taicpu(hp3).oper[1]^.reg = NR_X30) and
(taicpu(hp3).oper[2]^.typ = top_ref) and
(taicpu(hp3).oper[2]^.ref^.base=NR_STACK_POINTER_REG) and
(taicpu(hp3).oper[2]^.ref^.index=NR_NO) and
(taicpu(hp3).oper[2]^.ref^.offset=16) and