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jump optimizer works

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Araq 2013-10-29 16:47:40 +01:00
commit be45263623
4 changed files with 20 additions and 15 deletions
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compiler/vmdef.nim
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@ -201,3 +201,5 @@ template regA*(x: TInstr): TRegister {.immediate.} = TRegister(x.uint32 shr 8'u3
template regB*(x: TInstr): TRegister {.immediate.} = TRegister(x.uint32 shr 16'u32 and 0xff'u32)
template regC*(x: TInstr): TRegister {.immediate.} = TRegister(x.uint32 shr 24'u32)
template regBx*(x: TInstr): int {.immediate.} = (x.uint32 shr 16'u32).int
template jmpDiff*(x: TInstr): int {.immediate.} = regBx(x) - wordExcess