blob: 2ff993659af92b665f73871505d9dbac2191650a [file] [log] [blame]
ager@chromium.org9085a012009-05-11 19:22:57 +000012009-05-11: Version 1.2.3
2
3 Fixed bug in reporting of out-of-memory situations.
4
5 Introduced hidden prototypes on certain builtin prototype objects
6 such as String.prototype to emulate JSC's behavior of restoring
7 the original function when deleting functions from those prototype
8 objects.
9
10 Fixed crash bug in the register allocator.
11
12
ager@chromium.org5ec48922009-05-05 07:25:34 +0000132009-05-04: Version 1.2.2
14
15 Fixed bug in array sorting for sparse arrays (issue 326).
16
17 Added support for adding a soname when building a shared library
18 on Linux (issue 151).
19
20 Fixed bug caused by morphing internal ASCII strings to external
21 two-byte strings. Slices over ASCII strings have to forward ASCII
22 checks to the underlying buffer string.
23
24 Allowed API call-as-function handlers to be called as
25 constructors.
26
27 Fixed a crash bug where an external string was disposed but a
28 slice of the external string survived as a symbol.
29
30
ager@chromium.org3a37e9b2009-04-27 09:26:21 +0000312009-04-27: Version 1.2.1
32
33 Added EcmaScript 5 JSON object.
34
35 Fix bug in preemption support on ARM.
36
37
ager@chromium.org65dad4b2009-04-23 08:48:43 +0000382009-04-23: Version 1.2.0
39
40 Optimized floating-point operations on ARM.
41
42 Added a number of extensions to the debugger API.
43
44 Changed the enumeration order for unsigned integer keys to always
45 be numerical order.
46
47 Added a "read" extension to the shell sample.
48
49 Added support for Array.prototype.reduce and
50 Array.prototype.reduceRight.
51
52 Added an option to the SCons build to control Microsoft Visual C++
53 link-time code generation.
54
55 Fixed a number of bugs (in particular issue 315, issue 316,
56 issue 317 and issue 318).
57
58
kasperl@chromium.org2d18d102009-04-15 13:27:32 +0000592009-04-15: Version 1.1.10
60
61 Fixed crash bug that occurred when loading a const variable in the
62 presence of eval.
63
64 Allowed using with and eval in registered extensions in debug mode
65 by fixing bogus assert.
66
67 Fixed the source position for function returns to enable the
68 debugger to break there.
69
70
kasperl@chromium.orgd1e3e722009-04-14 13:38:25 +0000712009-04-14: Version 1.1.9
72
73 Made the stack traversal code in the profiler robust by avoiding
74 to look into the heap.
75
76 Added name inferencing for anonymous functions to facilitate
77 debugging and profiling.
78
79 Re-enabled stats timers in the developer shell (d8).
80
81 Fixed issue 303 by avoiding to shortcut cons-symbols.
82
83
kasperl@chromium.orgacae3782009-04-11 09:17:08 +0000842009-04-11: Version 1.1.8
85
86 Changed test-debug/ThreadedDebugging to be non-flaky (issue 96).
87
ager@chromium.org65dad4b2009-04-23 08:48:43 +000088 Fixed step-in handling for Function.prototype.apply and call in
kasperl@chromium.orgacae3782009-04-11 09:17:08 +000089 the debugger (issue 269).
90
91 Fixed v8::Object::DeleteHiddenValue to not bail out when there
92 are no hidden properties.
93
ager@chromium.org65dad4b2009-04-23 08:48:43 +000094 Added workaround for crash bug, where external symbol table
kasperl@chromium.orgacae3782009-04-11 09:17:08 +000095 entries with deleted resources would lead to NPEs when looking
96 up in the symbol table.
97
98
kasperl@chromium.org8ccb0be2009-04-07 07:21:39 +0000992009-04-07: Version 1.1.7
100
101 Added support for easily importing additional environment
102 variables into the SCons build.
103
104 Optimized strict equality checks.
105
106 Fixed crash in indexed setters on objects without a corresponding
107 getter (issue 298).
108
109 Re-enabled script compilation cache.
110
111
ager@chromium.org8682a592009-04-01 10:47:14 +00001122009-04-01: Version 1.1.6
113
114 Reverted an unsafe code generator change.
115
116
ager@chromium.org71daaf62009-04-01 07:22:49 +00001172009-04-01: Version 1.1.5
118
119 Fixed bug that caused function literals to not be optimized as
120 much as other functions.
121
122 Improved profiler support.
123
124 Fixed a crash bug in connection with debugger unloading.
125
126 Fixed a crash bug in the code generator caused by losing the
127 information that a frame element was copied.
128
129 Fixed an exception propagation bug that could cause non-null
130 return values when exceptions were thrown.
131
132
ager@chromium.org41826e72009-03-30 13:30:57 +00001332009-03-30: Version 1.1.4
134
135 Optimized String.prototype.match.
136
137 Improved the stack information in profiles.
138
139 Fixed bug in ARM port making it possible to compile the runtime
140 system for thumb mode again.
141
142 Implemented a number of optimizations in the code generator.
143
144 Fixed a number of memory leaks in tests.
145
146 Fixed crash bug in connection with script source code and external
kasperl@chromium.org8ccb0be2009-04-07 07:21:39 +0000147 strings.
ager@chromium.org41826e72009-03-30 13:30:57 +0000148
149
kasperl@chromium.orgf5aa8372009-03-24 14:47:14 +00001502009-03-24: Version 1.1.3
151
152 Fixed assertion failures in compilation of loop conditions.
153
154 Removed STL dependency from developer shell (d8).
155
156 Added infrastructure for protecting the V8 heap from corruption
157 caused by memory modifications from the outside.
158
159
ager@chromium.orgbb29dc92009-03-24 13:25:23 +00001602009-03-24: Version 1.1.2
161
162 Improved frame merge code generated by the code generator.
163
164 Optimized String.prototype.replace.
165
166 Implemented __defineGetter__ and __defineSetter__ for properties
167 with integer keys on non-array objects.
168
169 Improved debugger and profiler support.
170
171 Fixed a number of portability issues to allow compilation for
172 smaller ARM devices.
173
174 Exposed object cloning through the API.
175
176 Implemented hidden properties. This is used to expose an identity
177 hash for objects through the API.
178
179 Implemented restarting of regular expressions if their input
180 string changes representation during preemption.
181
182 Fixed a code generator bug that could cause assignments in loops
183 to be ignored if using continue to break out of the loop (issue
184 284).
185
186
ager@chromium.org3a6061e2009-03-12 14:24:36 +00001872009-03-12: Version 1.1.1
188
189 Fixed an assertion in the new compiler to take stack overflow
190 exceptions into account.
191
192 Removed exception propagation code that could cause crashes.
193
194 Fixed minor bug in debugger line number computations.
195
196 8-byte align the C stack on Linux and Windows to speed up floating
197 point computations.
198
199
kasperl@chromium.org7be3c992009-03-12 07:19:55 +00002002009-03-12: Version 1.1.0
201
202 Improved code generation infrastructure by doing simple register
203 allocation and constant folding and propagation.
204
205 Optimized regular expression matching by avoiding to create
206 intermediate string arrays and by flattening nested array
207 representations of RegExp data.
208
209 Traverse a few stack frames when recording profiler samples to
210 include partial call graphs in the profiling output.
211
212 Added support for using OProfile to profile generated code.
213
214 Added remote debugging support to the D8 developer shell.
215
216 Optimized creation of nested literals like JSON objects.
217
218 Fixed a bug in garbage collecting unused maps and turned it on by
219 default (--collect-maps).
220
221 Added support for running tests under Valgrind.
222
223
kasperl@chromium.org061ef742009-02-27 12:16:20 +00002242009-02-27: Version 1.0.3
225
226 Optimized double-to-integer conversions in bit operations by using
227 SSE3 instructions if available.
228
229 Optimized initialization sequences that store to multiple
230 properties of the same object.
231
232 Changed the D8 debugger frontend to use JSON messages.
233
234 Force garbage collections when disposing contexts.
235
236 Align code objects at 32-byte boundaries.
237
238
ager@chromium.org381abbb2009-02-25 13:23:22 +00002392009-02-25: Version 1.0.2
240
241 Improved profiling support by performing simple call stack
242 sampling for ticks and by fixing a bug in the logging of code
243 addresses.
244
245 Fixed a number of debugger issues.
246
247 Optimized code that uses eval.
248
249 Fixed a couple of bugs in the regular expression engine.
250
251 Reduced the size of generated code for certain regular expressions.
252
253 Removed JSCRE completely.
254
255 Fixed issue where test could not be run if there was a dot in the
256 checkout path.
257
258
ager@chromium.org6f10e412009-02-13 10:11:16 +00002592009-02-13: Version 1.0.1
260
261 Fixed two crash-bugs in irregexp (issue 231 and 233).
262
263 Fixed a number of minor bugs (issue 87, 227 and 228).
264
265 Added support for morphing strings to external strings on demand
266 to avoid having to create copies in the embedding code.
267
268 Removed experimental support for external symbol callbacks.
269
270
iposva@chromium.org245aa852009-02-10 00:49:54 +00002712009-02-09: Version 1.0.0
272
273 Fixed crash-bug in the code generation for case independent 16 bit
274 backreferences.
ager@chromium.org6f10e412009-02-13 10:11:16 +0000275
iposva@chromium.org245aa852009-02-10 00:49:54 +0000276 Made shells more robust in the presence of string conversion
277 failures (issue 224).
ager@chromium.org6f10e412009-02-13 10:11:16 +0000278
iposva@chromium.org245aa852009-02-10 00:49:54 +0000279 Fixed a potential infinite loop when attempting to resolve
280 eval (issue 221).
ager@chromium.org6f10e412009-02-13 10:11:16 +0000281
iposva@chromium.org245aa852009-02-10 00:49:54 +0000282 Miscellaneous fixes to the new regular expression engine.
ager@chromium.org6f10e412009-02-13 10:11:16 +0000283
iposva@chromium.org245aa852009-02-10 00:49:54 +0000284 Reduced binary by stripping unneeded text from JavaScript library and
285 minifying some JavaScript files.
286
287
ager@chromium.orgddb913d2009-01-27 10:01:48 +00002882009-01-27: Version 0.4.9
289
290 Enabled new regular expression engine.
291
292 Made a number of changes to the debugger protocol.
293
294 Fixed a number of bugs in the preemption support.
295
296 Added -p option to the developer shell to run files in parallel
297 using preemption.
298
299 Fixed a number of minor bugs (including issues 176, 187, 189, 192,
300 193, 198 and 201).
301
302 Fixed a number of bugs in the serialization/deserialization
303 support for the ARM platform.
304
305
sgjesse@chromium.org715915b2009-01-19 16:08:47 +00003062009-01-19: Version 0.4.8.1
307
308 Minor patch to debugger support.
309
310
ager@chromium.org32912102009-01-16 10:38:43 +00003112009-01-16: Version 0.4.8
312
313 Fixed string length bug on ARM (issue 171).
314
315 Made most methods in the API const.
316
317 Optimized object literals by improving data locality.
318
319 Fixed bug that caused incomplete functions to be cached in case of
sgjesse@chromium.org715915b2009-01-19 16:08:47 +0000320 stack overflow exceptions.
ager@chromium.org32912102009-01-16 10:38:43 +0000321
322 Fixed bugs that caused catch variables and variables introduced by
sgjesse@chromium.org715915b2009-01-19 16:08:47 +0000323 eval to behave incorrectly when using accessors (issues 186, 190
324 and 191).
ager@chromium.org32912102009-01-16 10:38:43 +0000325
326
christian.plesner.hansen@gmail.com37abdec2009-01-06 14:43:28 +00003272009-01-06: Version 0.4.7
328
ager@chromium.org32912102009-01-16 10:38:43 +0000329 Minor bugfixes and optimizations.
christian.plesner.hansen@gmail.com37abdec2009-01-06 14:43:28 +0000330
ager@chromium.org32912102009-01-16 10:38:43 +0000331 Added command line debugger to D8 shell.
christian.plesner.hansen@gmail.com37abdec2009-01-06 14:43:28 +0000332
ager@chromium.org32912102009-01-16 10:38:43 +0000333 Fixed subtle bug that caused the wrong 'this' to be used when
334 calling a caught function in a catch clause.
christian.plesner.hansen@gmail.com37abdec2009-01-06 14:43:28 +0000335
ager@chromium.org32912102009-01-16 10:38:43 +0000336 Inline array loads within loops directly in the code instead of
337 always calling a stub.
christian.plesner.hansen@gmail.com37abdec2009-01-06 14:43:28 +0000338
ager@chromium.org32912102009-01-16 10:38:43 +0000339
ager@chromium.org8bb60582008-12-11 12:02:20 +00003402008-12-11: Version 0.4.6
341
342 Fixed exception reporting bug where certain exceptions were
343 incorrectly reported as uncaught.
344
345 Improved the memory allocation strategy used during compilation to
346 make running out of memory when compiling huge scripts less
347 likely.
348
349 Optimized String.replace by avoiding the construction of certain
350 sub strings.
351
352 Fixed bug in code generation for large switch statements on ARM.
353
354 Fixed bug that caused V8 to change the global object template
355 passed in by the user.
356
357 Changed the API for creating object groups used during garbage
358 collection. Entire object groups are now passed to V8 instead of
359 individual members of the groups.
360
ager@chromium.org32912102009-01-16 10:38:43 +0000361
ager@chromium.orga74f0da2008-12-03 16:05:52 +00003622008-12-03: Version 0.4.5
iposva@chromium.org96f667e2008-11-26 23:48:02 +0000363
ager@chromium.orga74f0da2008-12-03 16:05:52 +0000364 Added experimental API support for allocating V8 symbols as
365 external strings.
366
367 Fixed bugs in debugging support on ARM.
368
369 Changed eval implementation to correctly detect whether or not a
370 call to eval is aliased.
371
372 Fixed bug caused by a combination of the compilation cache and
373 dictionary probing in native code. The bug caused us to sometimes
374 call functions that had not yet been compiled.
375
376 Added platform support for FreeBSD.
377
378 Added support for building V8 on Windows with either the shared or
379 static version of MSVCRT
ager@chromium.org32912102009-01-16 10:38:43 +0000380
iposva@chromium.org96f667e2008-11-26 23:48:02 +0000381 Added the v8::jscre namespace around the jscre functions to avoid
382 link errors (duplicate symbols) when building Google Chrome.
383
ager@chromium.orga74f0da2008-12-03 16:05:52 +0000384 Added support for calling a JavaScript function with the current
385 debugger execution context as its argument to the debugger
386 interface.
387
388 Changed the type of names of counters from wchar_t to char.
389
390 Changed the Windows system call used to compute daylight savings
391 time. The system call that we used to use became four times
392 slower on WinXP SP3.
393
394 Added support in the d8 developer shell for memory-mapped counters
395 and added a stats-viewer tool.
396
397 Fixed bug in upper/lower case mappings (issue 149).
398
iposva@chromium.org96f667e2008-11-26 23:48:02 +0000399
ager@chromium.org3bf7b912008-11-17 09:09:45 +00004002008-11-17: Version 0.4.4
401
402 Reduced code size by using shorter instruction encoding when
403 possible.
404
405 Added a --help option to the shell sample and to the d8 shell.
406
407 Added visual studio project files for building the ARM simulator.
408
409 Fixed a number of ARM simulator issues.
410
411 Fixed bug in out-of-memory handling on ARM.
412
413 Implemented shell support for passing arguments to a script from
414 the command line.
415
416 Fixed bug in date code that made certain date functions return -0
417 instead of 0 for dates before the epoch.
418
419 Restricted applications of eval so it can only be used in the
420 context of the associated global object.
421
422 Treat byte-order marks as whitespace characters.
ager@chromium.org32912102009-01-16 10:38:43 +0000423
424
ager@chromium.org870a0b62008-11-04 11:43:05 +00004252008-11-04: Version 0.4.3
426
427 Added support for API accessors that prohibit overwriting by
428 accessors defined in JavaScript code by using __defineGetter__ and
429 __defineSetter__.
430
431 Improved handling of conditionals in test status files.
432
433 Introduced access control in propertyIsEnumerable.
434
435 Improved performance of some string operations by caching
436 information about the type of the string between operations.
437
438 Fixed bug in fast-case code for switch statements that only have
439 integer labels.
ager@chromium.org32912102009-01-16 10:38:43 +0000440
ager@chromium.org870a0b62008-11-04 11:43:05 +0000441
kasperl@chromium.org9bbf9682008-10-30 11:53:07 +00004422008-10-30: Version 0.4.2
443
444 Improved performance of Array.prototype.concat by moving the
445 implementation to C++ (issue 123).
446
447 Fixed heap growth policy to avoid growing old space to its maximum
448 capacity before doing a garbage collection and fixed issue that
449 would lead to artificial out of memory situations (issue 129).
450
451 Fixed Date.prototype.toLocaleDateString to return the date in the
452 same format as WebKit.
453
454 Added missing initialization checks to debugger API.
455
456 Added removing of unused maps during GC.
457
458
kasperl@chromium.org9fe21c62008-10-28 08:53:51 +00004592008-10-28: Version 0.4.1
460
461 Added caching of RegExp data in compilation cache.
462
463 Added Visual Studio project file for d8 shell.
464
465 Fixed function call performance regression introduced in version
466 0.4.0 when splitting the global object in two parts (issue 120).
467
468 Fixed issue 131 by checking for empty handles before throwing and
469 reporting exceptions.
470
471
kasperl@chromium.org5a8ca6c2008-10-23 13:57:19 +00004722008-10-23: Version 0.4.0
473
474 Split the global object into two parts: The state holding global
475 object and the global object proxy.
476
477 Fixed bug that affected the value of an assignment to an element
478 in certain cases (issue 116).
479
480 Added GetPropertyNames functionality (issue 33) and extra Date
481 functions (issue 77) to the API.
482
483 Changed WeakReferenceCallback to take a Persistent<Value> instead
484 of a Persistent<Object> (issue 101).
485
486 Fixed issues with message reporting for exceptions in try-finally
487 blocks (issues 73 and 75).
488
ager@chromium.org32912102009-01-16 10:38:43 +0000489 Optimized flattening of strings and string equality checking.
kasperl@chromium.org5a8ca6c2008-10-23 13:57:19 +0000490
491 Improved Boyer-Moore implementation for faster indexOf operations.
492
493 Added development shell (d8) which includes counters and
494 completion support.
495
496 Fixed problem with the receiver passed to functions called from
497 eval (issue 124).
498
499
ager@chromium.org7c537e22008-10-16 08:43:32 +00005002008-10-16: Version 0.3.5
501
502 Improved string hash-code distribution by excluding bit-field bits
503 from the hash-code.
504
505 Changed string search algorithm used in indexOf from KMP to
506 Boyer-Moore.
507
508 Improved the generated code for the instanceof operator.
509
510 Improved performance of slow-case string equality checks by
511 specializing the code based on the string representation.
512
513 Improve the handling of out-of-memory situations (issue 70).
514
515 Improved performance of strict equality checks.
516
517 Improved profiler output to make it easier to see anonymous
518 functions.
519
520 Improved performance of slow-case keyed loads.
521
522 Improved property access performance by allocating a number of
523 properties in the front object.
524
525 Changed the toString behavior on the built-in object constructors
526 to print [native code] instead of the actual source. Some web
527 applications do not like constructors with complex toString
528 results.
ager@chromium.org32912102009-01-16 10:38:43 +0000529
ager@chromium.org7c537e22008-10-16 08:43:32 +0000530
kasperl@chromium.org41044eb2008-10-06 08:24:46 +00005312008-10-06: Version 0.3.4
532
533 Changed Array.prototype.sort to use quick sort.
534
535 Fixed code generation issue where leaving a finally block with
536 break or continue would accumulate elements on the expression
537 stack (issue 86).
538
539 Made sure that the name accessor on functions returns the expected
540 names for builtin JavaScript functions and C++ callback functions.
541
542 Added fast case code for extending the property storage array of
543 JavaScript objects.
544
545 Ported switch statement optimizations introduced in version 0.3.3
546 to the ARM code generator.
547
548 Allowed GCC to use strict-aliasing rules when compiling.
549
550 Improved performance of arguments object allocation by taking care
551 of arguments adaptor frames in the generated code.
552
553 Updated the V8 benchmark suite to version 2.
554
555
ager@chromium.org236ad962008-09-25 09:45:57 +00005562008-09-25: Version 0.3.3
557
558 Improved handling of relocation information to enable more
559 peep-hole optimizations.
560
561 Optimized switch statements where all labels are constant small
562 integers.
563
564 Optimized String.prototype.indexOf for common cases.
565
566 Fixed more build issues (issue 80).
567
568 Fixed a couple of profiler issues.
569
570 Fixed bug where the body of a function created using the Function
571 constructor was not allowed to end with a single-line comment
572 (issue 85).
573
574 Improved handling of object literals by canonicalizing object
575 literal maps. This will allow JSON objects with the same set of
576 properties to share the same map making inline caching work better
577 for JSON objects.
ager@chromium.org32912102009-01-16 10:38:43 +0000578
ager@chromium.org236ad962008-09-25 09:45:57 +0000579
kasperl@chromium.orgb9123622008-09-17 14:05:56 +00005802008-09-17: Version 0.3.2
581
582 Generalized the EvalCache into a CompilationCache and enabled it
583 for scripts too. The current strategy is to retire all entries
584 whenever a mark-sweep collection is started.
585
586 Fixed bug where switch statements containing only a default case
587 would lead to an unbalanced stack (issue 69).
588
589 Fixed bug that made access to the function in a named function
590 expression impossible in certain situations (issue 24).
591
592 Fixed even more build issues.
593
594 Optimized calling conventions on ARM. The conventions on ARM and
595 IA-32 now match.
596
597 Removed static initializers for flags and counters.
598
599 Improved inline caching behavior for uncommon cases where lazily
600 loading Date and RegExp code could force certain code paths go
601 megamorphic.
602
603 Removed arguments adaption for builtins written in C++. This
604 makes Array.prototype.push and Array.prototype.pop slightly
605 faster.
606
607
ager@chromium.org9258b6b2008-09-11 09:11:10 +00006082008-09-11: Version 0.3.1
609
610 Fixed a number of build issues.
611
612 Fixed problem with missing I-cache flusing on ARM.
613
614 Changed space layout in memory management by splitting up
615 code space into old data space and code space.
616
617 Added utf-8 conversion support to the API (issue 57).
618
619 Optimized repeated calls to eval with the same strings. These
620 repeated calls are common in web applications.
621
622 Added Xcode project file.
623
624 Optimized a couple of Array operation.
625
626 Fixed parser bug by checking for end-of-string when parsing break
627 and continue (issue 35).
628
629 Fixed problem where asian characters were not categorized as
630 letters.
631
632 Fixed bug that disallowed calling functions fetched from an array
633 using a string as an array index (issue 32).
634
635 Fixed bug where the internal field count on object templates were
636 sometimes ignored (issue 54).
637
638 Added -f option to the shell sample for compatibility with other
639 engines (issue 18).
640
641 Added source info to TryCatches in the API.
642
643 Fixed problem where the seed for the random number generator was
644 clipped in a double to unsigned int conversion.
645
646 Fixed bug where cons string symbols were sometimes converted to
647 non-symbol flat strings during GC.
648
649 Fixed bug in error reporting when attempting to convert null to an
650 object.
ager@chromium.org32912102009-01-16 10:38:43 +0000651
652
ager@chromium.orgc27e4e72008-09-04 13:52:27 +00006532008-09-04: Version 0.3.0
654
655 Added support for running tests on the ARM simulator.
656
657 Fixed bug in the 'in' operator where negative indices were not
658 treated correctly.
659
660 Fixed build issues on gcc-4.3.1.
661
662 Changed Date.prototype.toLocaleTimeString to not print the
663 timezone part of the time.
664
665 Renamed debug.h to v8-debug.h to reduce the risk of name conflicts
666 with user code.
667
668
v8.team.kasperl727e9952008-09-02 14:56:44 +00006692008-09-02: Version 0.2.5
670
671 Renamed the top level directory 'public' to 'include'.
672
673 Added 'env' option to the SCons build scripts to support
674 overriding the ENV part of the build environment. This is mostly
675 to support Windows builds in cases where SCons cannot find the
676 correct paths to the Windows SDK, as these paths cannot be passed
677 through shell environment variables.
678
679 Enabled "Buffer Security Check" on for the Windows SCons build and
680 added the linker option /OPT:ICF as an optimization.
681
682 Added the V8 benchmark suite to the repository.
683
684
mads.s.ager@gmail.com9a4089a2008-09-01 08:55:01 +00006852008-09-01: Version 0.2.4
686
687 Included mjsunit JavaScript test suite and C++ unit tests.
688
689 Changed the shell sample to not print the result of executing a
690 script provided on the command line.
691
692 Fixed issue when building samples on Windows using a shared V8
693 library. Added visibility option on Linux build which makes the
694 generated library 18% smaller.
695
696 Changed build system to accept multiple build modes in one build
697 and generate separate objects, libraries and executables for each
698 mode.
699
700 Removed deferred negation optimization (a * -b => -(a * b)) since
701 this visibly changes operand conversion order.
702
703 Improved parsing performance by introducing stack guard in
704 preparsing. Without a stack guard preparsing always bails out
705 with stack overflow.
706
707 Changed shell sample to take flags directly from the command-line.
708 Added API call that implements this.
709
710 Added load, quit and version functions to the shell sample so it's
711 easier to run benchmarks and tests.
712
713 Fixed issue with building samples and cctests on 64-bit machines.
714
715 Fixed bug in the runtime system where the prototype chain was not
716 always searched for a setter when setting a property that does not
717 exist locally.
ager@chromium.org32912102009-01-16 10:38:43 +0000718
mads.s.ager@gmail.com9a4089a2008-09-01 08:55:01 +0000719
mads.s.agercbaa0602008-08-14 13:41:48 +00007202008-08-14: Version 0.2.3
721
722 Improved performance of garbage collection by moving the
723 function that updates pointers during compacting collection
724 into the updating visitor. This gives the compiler a better
725 chance to inline and avoid a function call per (potential)
726 pointer.
727
728 Extended the shell sample with a --runtime-flags option.
729
730 Added Visual Studio project files for the shell.cc and
731 process.cc samples.
732
733
7342008-08-13: Version 0.2.2
mads.s.ager31e71382008-08-13 09:32:07 +0000735
736 Improved performance of garbage collection by changing the way
737 we use the marking stack in the event of stack overflow during
738 full garbage collection and by changing the way we mark roots.
739
740 Cleaned up ARM version by removing top of stack caching and by
741 introducing push/pop elimination.
742
743 Cleaned up the way runtime functions are called to allow
744 runtime calls with no arguments.
745
746 Changed Windows build options to make sure that exceptions are
747 disabled and that optimization flags are enabled.
748
749 Added first version of Visual Studio project files.
750
751
mads.s.agercbaa0602008-08-14 13:41:48 +00007522008-08-06: Version 0.2.1
mads.s.ager@gmail.com769cc962008-08-06 10:02:49 +0000753
754 Improved performance of unary addition by avoiding runtime calls.
755
756 Fixed the handling of '>' and '<=' to use right-to-left conversion
757 and left-to-right evaluation as specified by ECMA-262.
758
759 Fixed a branch elimination bug on the ARM platform where incorrect
760 code was generated because of overly aggressive branch
761 elimination.
762
763 Improved performance of code that repeatedly assigns the same
764 function to the same property of different objects with the same
765 map.
766
767 Untangled DEBUG and ENABLE_DISASSEMBLER defines. The disassembler
768 no longer expects DEBUG to be defined.
769
770 Added platform-nullos.cc to serve as the basis for new platform
771 implementations.
772
mads.s.ager31e71382008-08-13 09:32:07 +0000773
mads.s.agercbaa0602008-08-14 13:41:48 +00007742008-07-30: Version 0.2.0
kasper.lund7276f142008-07-30 08:49:36 +0000775
776 Changed all text files to have native svn:eol-style.
777
778 Added a few samples and support for building them. The samples
779 include a simple shell that can be used to benchmark and test V8.
780
781 Changed V8::GetVersion to return the version as a string.
782
783 Added source for lazily loaded scripts to snapshots and made
784 serialization non-destructive.
785
786 Improved ARM support by fixing the write barrier code to use
787 aligned loads and stores and by removing premature locals
788 optimization that relied on broken support for callee-saved
789 registers (removed).
790
791 Refactored the code for marking live objects during garbage
792 collection and the code for allocating objects in paged
793 spaces. Introduced an abstraction for the map word of a heap-
794 allocated object and changed the memory allocator to allocate
795 executable memory only for spaces that may contain code objects.
796
797 Moved StringBuilder to utils.h and ScopedLock to platform.h, where
798 they can be used by debugging and logging modules. Added
799 thread-safe message queues for dealing with debugger events.
800
801 Fixed the source code reported by toString for certain builtin
802 empty functions and made sure that the prototype property of a
803 function is enumerable.
804
805 Improved performance of converting values to condition flags in
806 generated code.
807
808 Merged disassembler-{arch} files.
809
810
mads.s.agercbaa0602008-08-14 13:41:48 +00008112008-07-28: Version 0.1.4
kasper.lundaf4734f2008-07-28 12:50:18 +0000812
813 Added support for storing JavaScript stack traces in a stack
814 allocated buffer to make it visible in shallow core dumps.
815 Controlled by the --preallocate-message-memory flag which is
816 disabled by default.
817
818
mads.s.agercbaa0602008-08-14 13:41:48 +00008192008-07-25: Version 0.1.3
kasper.lund44510672008-07-25 07:37:58 +0000820
821 Fixed bug in JSObject::GetPropertyAttributePostInterceptor where
822 map transitions would count as properties.
823
824 Allowed aliased eval invocations by treating them as evals in the
825 global context. This may change in the future.
826
827 Added support for accessing the last entered context through the
828 API and renamed Context::Current to Context::GetCurrent and
829 Context::GetSecurityContext to Context::GetCurrentSecurityContext.
830
831 Fixed bug in the debugger that would cause the debugger scripts to
832 be recursively loaded and changed all disabling of interrupts to
833 be block-structured.
834
835 Made snapshot data read-only to allow it to be more easily shared
836 across multiple users of V8 when linked as a shared library.
837
838
mads.s.agercbaa0602008-08-14 13:41:48 +00008392008-07-16: Version 0.1.2
kasper.lund212ac232008-07-16 07:07:30 +0000840
841 Fixed building on Mac OS X by recognizing i386 and friends as
842 IA-32 platforms.
843
844 Added propagation of stack overflow exceptions that occur while
845 compiling nested functions.
846
847 Improved debugger with support for recursive break points and
848 handling of exceptions that occur in the debugger JavaScript code.
849
850 Renamed GetInternal to GetInternalField and SetInternal to
851 SetInternalField in the API and moved InternalFieldCount and
852 SetInternalFieldCount from FunctionTemplate to ObjectTemplate.
853
854
mads.s.agercbaa0602008-08-14 13:41:48 +00008552008-07-09: Version 0.1.1
kasper.lundbd3ec4e2008-07-09 11:06:54 +0000856
857 Fixed bug in stack overflow check code for IA-32 targets where a
858 non-tagged value in register eax was pushed to the stack.
859
860 Fixed potential quadratic behavior when converting strings to
861 numbers.
862
863 Fixed bug where the return value from Object::SetProperty could
864 end up being the property holder instead of the written value.
865
866 Improved debugger support by allowing nested break points and by
867 dealing with stack-overflows when compiling functions before
868 setting break points in them.
869
870
mads.s.agercbaa0602008-08-14 13:41:48 +00008712008-07-03: Version 0.1.0
christian.plesner.hansen43d26ec2008-07-03 15:10:15 +0000872
kasper.lundbd3ec4e2008-07-09 11:06:54 +0000873 Initial export.
christian.plesner.hansen43d26ec2008-07-03 15:10:15 +0000874