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1956 Commits

Author SHA1 Message Date
Anthony Baxter
c3d931685b forward-port 1.17.12.1 2004-05-13 11:54:19 +00:00
Raymond Hettinger
c8aa08b172 Some (but not all) of the why code bitfield tests ran faster as 
separate equality tests.  Now, all are set to their best timing.
 2004-04-11 14:59:33 +00:00
Raymond Hettinger
5bed456056 Revert 2.393, elimination of pre-decrementing, which 
did not stand-up to additional timings.
 2004-04-10 23:34:17 +00:00
Raymond Hettinger
7eddd78a15 Use continue instead of break whereever possible. 2004-04-07 14:38:08 +00:00
Raymond Hettinger
d3b836d202 * Improve readability and remove data dependencies by converting 
pre-increment forms to post-increment forms.  Post-incrementing
also eliminates the need for negative array indices for oparg fetches.

* In exception handling code, check for class based exceptions before
  the older string based exceptions.
 2004-04-07 13:17:27 +00:00
Raymond Hettinger
467a698bd2 Small code improvements for readability, code size, and/or speed. 
BINARY_SUBSCR:
    * invert test for normal case fall through
    * eliminate err handling code by jumping to slow_case

LOAD_LOCALS:
    * invert test for normal case fall through
    * continue instead of break for the non-error case

STORE_NAME and DELETE_NAME:
    * invert test for normal case fall through

LOAD_NAME:
    * continue instead of break for the non-error case

DELETE_FAST:
    * invert test for normal case fall through

LOAD_DEREF:
    * invert test for normal case fall through
    * continue instead of break for the non-error case
 2004-04-07 11:39:21 +00:00
Raymond Hettinger
7c9586545e Simplify previous checkin (bitfields for WHY codes). 
Restores the self-documenting enum declaration.
 2004-04-06 10:11:10 +00:00
Raymond Hettinger
06032cb664 Coded WHY flags as bitfields (taking inspiration from tp_flags). 
This allows multiple flags to be tested in a single compare
which eliminates unnecessary compares and saves a few bytes.
 2004-04-06 09:37:35 +00:00
Tim Peters
8a5c3c76be Since the fast_yield branch target was introduced, it appears that most 
tests of "why" against WHY_YIELD became useless.  This patch removes them,
but assert()s that why != WHY_YIELD everywhere such a test was removed.
The test suite ran fine under a debug build (i.e., the asserts never
triggered).
 2004-04-05 19:36:21 +00:00
Jeremy Hylton
d4ceb31664 Bump the magic number to avoid sharing bytecode between 2.3 and 2.4. 
Revise the long comment that explained details of the magic number
in gory detail.
 2004-04-01 02:45:22 +00:00
Andrew MacIntyre
da4d6cb573 OS/2 VACPP build updates/fixes 2004-03-29 11:53:38 +00:00
Armin Rigo
01ab279056 Marshal clean-up (SF patch #873224) 2004-03-26 15:09:27 +00:00
Nicholas Bastin
2786d90617 A few more PyThreadState_Get to PyThreadState_GET conversions 2004-03-25 02:16:23 +00:00
Nicholas Bastin
e5662aedef Changed random calls to PyThreadState_Get() to use the macro 2004-03-24 22:22:12 +00:00
Nicholas Bastin
c69ebe8d50 Enable the profiling of C functions (builtins and extensions) 2004-03-24 21:57:10 +00:00
Martin v. Löwis
83969eeeeb Decref all if ensure_fromlist fails. Fixes #876533. 
Backported to 2.3.
 2004-03-23 16:28:13 +00:00
Armin Rigo
5d2c68359b Lost reference. 2004-03-22 20:16:58 +00:00
Armin Rigo
bf57a14522 Fix SF bug #765624. 2004-03-22 19:24:58 +00:00
Armin Rigo
80d937e986 Fix for line events in the case: 
def f(a):
    if a:
      print 5
    else:
      pass
 2004-03-22 17:52:53 +00:00
Nicholas Bastin
a7604bf1b4 Moved tracebackobject to traceback.h, Closes SF Bug #497067 2004-03-21 18:37:23 +00:00
Raymond Hettinger
ff5bc50bb0 Improve byte coding for multiple assignments. 
Gives 30% speedup on "a,b=1,2" and 25% on "a,b,c=1,2,3".
 2004-03-21 15:12:00 +00:00
Armin Rigo
9dbf9084e8 Cancelled checkin, sorry. 2004-03-20 21:50:13 +00:00
Armin Rigo
1515fc2a01 A 2% speed improvement with gcc on low-endian machines. My guess is that this 
new pattern for NEXTARG() is detected and optimized as a single (*short)
loading.
 2004-03-20 20:03:17 +00:00
Raymond Hettinger
fba1cfc49a LIST_APPEND is predicably followed by JUMP_ABSOLUTE. 
Reduces loop overhead by an additional 10%.
 2004-03-12 16:33:17 +00:00
Raymond Hettinger
2d783e9b16 Move the code for BREAK and CONTINUE_LOOP to be near FOR_ITER. 
Makes it more likely that all loop operations are in the cache
at the same time.
 2004-03-12 09:12:22 +00:00