mirrors/Nim
1
0
Fork 0
mirror of https://github.com/nim-lang/Nim.git synced 2025-12-28 17:04:41 +00:00
Code Issues Packages Projects Releases Wiki Activity

[vm] remove unused opcSubstr opcode (#19834)

Browse Source 
remove unused opcSubstr
This commit is contained in:
flywind
2022-05-30 16:41:24 +08:00
committed by GitHub
parent 14960fa754
commit 004fc23a3f
2 changed files with 2 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
compiler/vm.nim
View File

@@ -1185,14 +1185,6 @@ proc rawExecute(c: PCtx, start: int, tos: PStackFrame): TFullReg =
of opcContainsSet:
decodeBC(rkInt)
regs[ra].intVal = ord(inSet(regs[rb].node, regs[rc].regToNode))
of opcSubStr:
decodeBC(rkNode)
inc pc
assert c.code[pc].opcode == opcSubStr
let rd = c.code[pc].regA
createStr regs[ra]
regs[ra].node.strVal = substr(regs[rb].node.strVal,
regs[rc].intVal.int, regs[rd].intVal.int)
of opcParseFloat:
decodeBC(rkInt)
inc pc

4
compiler/vmdef.nim
View File

@@ -102,7 +102,7 @@ type
opcMulSet, opcPlusSet, opcMinusSet, opcConcatStr,
opcContainsSet, opcRepr, opcSetLenStr, opcSetLenSeq,
opcIsNil, opcOf, opcIs,
opcSubStr, opcParseFloat, opcConv, opcCast,
opcParseFloat, opcConv, opcCast,
opcQuit, opcInvalidField,
opcNarrowS, opcNarrowU,
opcSignExtend,
@@ -306,7 +306,7 @@ proc registerCallback*(c: PCtx; name: string; callback: VmCallback): int {.disca
const
firstABxInstr* = opcTJmp
largeInstrs* = { # instructions which use 2 int32s instead of 1:
opcSubStr, opcConv, opcCast, opcNewSeq, opcOf
opcConv, opcCast, opcNewSeq, opcOf
}
slotSomeTemp* = slotTempUnknown
relativeJumps* = {opcTJmp, opcFJmp, opcJmp, opcJmpBack}