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42 check-ins using file src/vdbeapi.c version f1417484

2008-01-12
19:03
Continuing work toward converting the VM to a register machine. (CVS 4708) (check-in: 426f31ec user: drh tags: trunk)
12:48
Continuing work toward converting the VM into a register machine. (CVS 4707) (check-in: a6dddebc user: drh tags: trunk)
2008-01-11
15:27
Do explicit range tests before attempting to convert a 64-bit float into a 64-bit integer. Some systems (windows) seem to throw exceptions if the conversion is out of range. Ticket #2880. (CVS 4706) (check-in: 4744257d user: drh tags: trunk)
00:06
Attempt to work around a bug in the Borland BCC 5.5.1 compiler. Ticket #2880. (CVS 4705) (check-in: 6de0ee49 user: drh tags: trunk)
2008-01-10
23:50
More work toward converting the VM into a register-based machine. (CVS 4704) (check-in: 8cbd4651 user: drh tags: trunk)
03:46
Continuing work toward registerizing the code generator. (CVS 4703) (check-in: 173698c9 user: drh tags: trunk)
00:08
Fix mixing quote excapes in an awk script. Ticket #2877. (CVS 4702) (check-in: 05fbca91 user: drh tags: trunk)
2008-01-09
23:21
Fix a test script problem associated with the new crash4.test file. Ticket #2882. (CVS 4701) (check-in: 1134c5ea user: drh tags: trunk)
23:04
All essential opcodes can now operate out of registers and completely avoid the stack. Many still optionally use the stack to support legacy code generation, but the stack is not required. The next step is to update all code generation to avoid using the stack. (CVS 4700) (check-in: e3cf1c1c user: drh tags: trunk)
18:31
Fix the build for AIX and other systems where "char" is unsigned by default. (CVS 4699) (check-in: 47672af0 user: drh tags: trunk)
02:15
Continued work toward converting to a register-based VM. (CVS 4698) (check-in: 92deff07 user: drh tags: trunk)
2008-01-08
23:54
Registerify the comparison opcodes. (CVS 4697) (check-in: 8862ce9c user: drh tags: trunk)
18:57
Finish registerizing the core logic of INSERT and UPDATE. (CVS 4696) (check-in: 5fd10367 user: drh tags: trunk)
16:03
Add crash4.test with additional crash testing. (CVS 4695) (check-in: 87b4ac4b user: drh tags: trunk)
15:18
Add additional randomness to crash tests. (CVS 4694) (check-in: 3ccce1f5 user: drh tags: trunk)
02:57
Progress toward registerification of the constraint checking logic for INSERT and UPDATE. (CVS 4693) (check-in: b9bf509e user: drh tags: trunk)
2008-01-07
19:20
Registerify the AUTOINCREMENT processing and the OP_IsNull and OP_NotNull operators. (CVS 4692) (check-in: aa48867c user: drh tags: trunk)
10:16
Comment changes in select.c. (CVS 4691) (check-in: 38020592 user: danielk1977 tags: trunk)
2008-01-06
00:25
Registerify the SRT_Subroutine destination for SELECT results. (CVS 4690) (check-in: 8201f717 user: drh tags: trunk)
2008-01-05
18:48
Modify OP_RegMakeRec to take a base register and count and optionally store results in the register specified by P3. (CVS 4689) (check-in: 6bb1b1bc user: drh tags: trunk)
18:44
Fix a memory leak introduced with #4687. (CVS 4688) (check-in: 2b98b0fc user: danielk1977 tags: trunk)
17:39
First pass at optimizing max()/min() as described in #2853. Some refinements to come. (CVS 4687) (check-in: c449e04f user: danielk1977 tags: trunk)
16:29
Registerify binary operators. Add register tracing to debugging output. (CVS 4686) (check-in: 66396d2f user: drh tags: trunk)
06:51
Expression code generator takes advantage of recent opcode changes. (CVS 4685) (check-in: 6c78d2a4 user: drh tags: trunk)
05:38
Register-ify the OP_ForceInt opcode. (CVS 4684) (check-in: 32380dca user: drh tags: trunk)
05:20
Register-ify the OP_AddImm and all casting opcodes. Omit the OP_MemIncr opcode. (CVS 4683) (check-in: 3e8a07dd user: drh tags: trunk)
04:06
Get rid of OP_Dup, OP_MemStore, OP_MemLoad, and OP_MemMove. Replace with OP_Copy, OP_SCopy, and OP_Move. Add the infrastructure for operation properties in1, in2, in3, out2, and out3 but do not yet use any of these. (CVS 4682) (check-in: cc149eb9 user: drh tags: trunk)
2008-01-04
22:01
Implement the out2-prerelease opcode design pattern. (CVS 4681) (check-in: fe057a88 user: drh tags: trunk)
19:33
Allow the P2 operand to be negative on opcodes that are not jumps. (CVS 4680) (check-in: 717bcd11 user: drh tags: trunk)
19:12
Fix mkopcodeh.awk so that it works on a mac. (CVS 4679) (check-in: 59d3dfa4 user: drh tags: trunk)
19:10
Some modifications to insert.c to work without using the stack. (CVS 4678) (check-in: d9ac6bee user: danielk1977 tags: trunk)
16:50
Replace the NOPUSH_MASKs with a bit-vector mechanism that can contain several different properties about each opcode. (CVS 4677) (check-in: 042dcb96 user: drh tags: trunk)
13:57
Modify FifoRead and FifoWrite to work exclusively with memory cells. (CVS 4676) (check-in: 2c913908 user: danielk1977 tags: trunk)
13:24
Modify the code generated for a DELETE to use registers instead of the vdbe stack. (CVS 4675) (check-in: 173f2813 user: danielk1977 tags: trunk)
11:01
Add OP_MemSet, for setting a memory cell to a string value. (CVS 4674) (check-in: 8bb9f970 user: danielk1977 tags: trunk)
2008-01-03
23:44
Change the sqlite3ExprCode() function so that callers can request that the result of the expression be left on the stack or in a register. (CVS 4673) (check-in: 61bfb77c user: drh tags: trunk)
18:56
Fix typo in comment. Ticket #2870. (CVS 4672) (check-in: e97e4578 user: danielk1977 tags: trunk)
18:44
Update OP_Rowid, OP_Column and related opcodes to use registers. (CVS 4671) (check-in: 4f396707 user: drh tags: trunk)
18:39
Modify VFilter and VRename to use registers instead of the vdbe stack for inputs. (CVS 4670) (check-in: 253ed40a user: danielk1977 tags: trunk)
18:03
Registers (aka memory cells) in the VM are now numbered starting with 1 instead of 0. A register number of 0 means "no such register". (CVS 4669) (check-in: 0b849805 user: drh tags: trunk)
17:31
Modify OP_VUpdate to read arguments from a range of memory cells instead of from the stack. (CVS 4668) (check-in: 955b15a0 user: danielk1977 tags: trunk)
11:50
Change the VdbeOp.p4 union to include specific pointer types for the various values of VdbeOp.p4type. (CVS 4667) (check-in: 7e8330c8 user: danielk1977 tags: trunk)