diff options
| author | Miguel Sofer <miguel.sofer@gmail.com> | 2002-06-18 22:02:48 (GMT) |
|---|---|---|
| committer | Miguel Sofer <miguel.sofer@gmail.com> | 2002-06-18 22:02:48 (GMT) |
| commit | 23b3e96cdf9c2703f81444604080f8e29e55a9f4 (patch) | |
| tree | f8c6266b6804d1eadf5cad564002f918265eacb2 /ChangeLog | |
| parent | a14f6d151797cd7cbdc413d2f7f338b3d4757836 (diff) | |
| download | tcl-23b3e96cdf9c2703f81444604080f8e29e55a9f4.zip tcl-23b3e96cdf9c2703f81444604080f8e29e55a9f4.tar.gz tcl-23b3e96cdf9c2703f81444604080f8e29e55a9f4.tar.bz2 | |
* generic/tclExecute.c (TEBC): elimination of duplicated code in the
non-immediate INST_INCR instructions; elimination of 103 (!)
TclDecrRefCount macros. The different instructions now jump back to a
common "DecrRefCount zone" at the topof the loop.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 19 |
1 files changed, 19 insertions, 0 deletions
@@ -1,5 +1,24 @@ 2002-06-18 Miguel Sofer <msofer@users.sourceforge.net> + * generic/tclExecute.c (TEBC): + - elimination of duplicated code in the non-immediate INST_INCR + instructions. + - elimination of 103 (!) TclDecrRefCount macros. The different + instructions now jump back to a common "DecrRefCount zone" at + the top of the loop. The macro "ADJUST_PC" was replaced by two + macros "NEXT_INST_F" and "NEXT_INST_V" that take three params + (pcAdjustment, # of stack objects to discard, resultObjPtr + handling flag). The only instructions that retain a + TclDecrRefCount are INST_POP (for speed), the common code for + the non-immediate INST_INCR, INST_FOREACH_STEP and the two + INST_LSET. + + The object size of tclExecute.o was reduced by approx 20% since + the start of the consolidation drive, while making room for some + peep-hole optimisation at runtime. + +2002-06-18 Miguel Sofer <msofer@users.sourceforge.net> + * generic/tclExecute.c (TEBC, INST_DONE): small bug in the panic code for tcl-stack corruption. |