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Overview
| Comment: | Make sure the OP_Next and OP_NextIfOpen opcodes are numbered close together for efficiency in switch() statements. OP_Prev and OP_PrevIfOpen too. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
d4ccf0f5c656c8f0e1c32d5f7971b131 |
| User & Date: | drh 2013-11-21 17:24:18.502 |
Context
|
2013-11-21
| ||
| 19:05 | Remove a test from sqlite3VdbeMemFromBtree() which was unnecessary, and after the recent OP_Column refactoring, unreachable. (check-in: 23667f3ba0 user: drh tags: trunk) | |
| 17:24 | Make sure the OP_Next and OP_NextIfOpen opcodes are numbered close together for efficiency in switch() statements. OP_Prev and OP_PrevIfOpen too. (check-in: d4ccf0f5c6 user: drh tags: trunk) | |
| 16:08 | When one or more arguments to a function are constants, try to factor out just those arguments into initialization code. (check-in: 50d350abbc user: drh tags: trunk) | |
Changes
Changes to mkopcodeh.awk.
| ︙ | ︙ | |||
132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 |
|| name=="OP_Savepoint" \
|| name=="OP_Checkpoint" \
|| name=="OP_Vacuum" \
|| name=="OP_JournalMode" \
|| name=="OP_VUpdate" \
|| name=="OP_VFilter" \
|| name=="OP_Next" \
|| name=="OP_SorterNext" \
|| name=="OP_Prev" \
){
cnt++
while( used[cnt] ) cnt++
op[name] = cnt
used[cnt] = 1
def[cnt] = name
}
| > > | 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 |
|| name=="OP_Savepoint" \
|| name=="OP_Checkpoint" \
|| name=="OP_Vacuum" \
|| name=="OP_JournalMode" \
|| name=="OP_VUpdate" \
|| name=="OP_VFilter" \
|| name=="OP_Next" \
|| name=="OP_NextIfOpen" \
|| name=="OP_SorterNext" \
|| name=="OP_Prev" \
|| name=="OP_PrevIfOpen" \
){
cnt++
while( used[cnt] ) cnt++
op[name] = cnt
used[cnt] = 1
def[cnt] = name
}
|
| ︙ | ︙ |