diff options
Diffstat (limited to 'tool/mkopcodeh.tcl')
| -rw-r--r-- | tool/mkopcodeh.tcl | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/tool/mkopcodeh.tcl b/tool/mkopcodeh.tcl index 57017364a..cc372e404 100644 --- a/tool/mkopcodeh.tcl +++ b/tool/mkopcodeh.tcl @@ -145,7 +145,9 @@ foreach name {OP_Noop OP_Explain OP_Abortable} { incr nOp } -# The following are the opcodes that are processed by resolveP2Values() +# The following are the opcodes that receive special processing in the +# resolveP2Values() routine. Update this list whenever new cases are +# added to the pOp->opcode switch within resolveP2Values(). # set rp2v_ops { OP_Transaction @@ -157,13 +159,11 @@ set rp2v_ops { OP_VUpdate OP_VFilter OP_Next - OP_NextIfOpen OP_SorterNext OP_Prev - OP_PrevIfOpen } -# Assign small values to opcodes that are processed by resolveP2Values() +# Assign the smallest values to opcodes that are processed by resolveP2Values() # to make code generation for the switch() statement smaller and faster. # set cnt -1 @@ -177,6 +177,7 @@ for {set i 0} {$i<$nOp} {incr i} { set def($cnt) $name } } +set mxCase1 $cnt # Assign the next group of values to JUMP opcodes # @@ -311,7 +312,7 @@ for {set i 0} {$i<=$max} {incr i} { } puts "\175" puts "" -puts "/* The sqlite3P2Values() routine is able to run faster if it knows" +puts "/* The resolve3P2Values() routine is able to run faster if it knows" puts "** the value of the largest JUMP opcode. The smaller the maximum" puts "** JUMP opcode the better, so the mkopcodeh.tcl script that" puts "** generated this include file strives to group all JUMP opcodes" |