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506 Commits

Author SHA1 Message Date
Brendan Eich
a8c6046d8c Avoid JSOP_POPV in global scripts from load(), etc. 2008-07-26 01:23:12 +02:00
David Anderson
4560ed961f Fixed entry typemap having wrong allocation size. 2008-07-25 13:30:52 -07:00
Andreas Gal
d952f192ba Can't use lr->from. Seems to not get set in certain cases. Go figure. The nanojit tree code is really weird. 2008-07-25 02:29:36 -07:00
Andreas Gal
dee805421b Factor out AttemptToGrowTree. 2008-07-25 02:00:02 -07:00
Andreas Gal
ecb79b1640 Determine ahead of time whether a side exit is a loop-terminating side exit instead of re-determining this at every side exit. 2008-07-25 01:44:40 -07:00
Andreas Gal
f3573b9940 Move trace activation code into js_ExecuteTree(). 2008-07-25 01:20:40 -07:00
Andreas Gal
3999210c12 Make demotion threshold optional (0=off, 32=default). Turn off to debug the type assert bug. 2008-07-24 17:33:34 -07:00
Andreas Gal
e838b138b8 Don't demote slots in overly long traces (based on counting the number of guards, current threshold=32). 2008-07-24 16:25:18 -07:00
Andreas Gal
f0399ffea7 Cleanup iteration over all slots to use a single macro to avoid code duplication. 2008-07-24 14:51:14 -07:00
Andreas Gal
e7f92ecf31 Add shark support to md5.js directly, no longer around the recorder. 2008-07-24 11:08:37 -07:00
Andreas Gal
6df91a21a0 Make the interpreter notify us when frames are popped so we see he right cx->fp value. Fix return value tracking for JSOP_STOP. 2008-07-24 10:35:10 -07:00
Andreas Gal
5ae4ef819e Backed out changeset a58e7ce6eb7f. stack(0) is wrong, if at all it should have been stack(-(1 + argc)). But anyway, its impossible to write through to the frame via set() at that point because leaveFrame() doesn't actually modify cx->fp. We need to wait for the interpreter to do so. Until then nativeFrameOffset produces incorrect values and the assert fails in set. 2008-07-24 10:09:51 -07:00
shaver@mozilla.org
b989e7b3e7 fix return-value handling for new stack layout 2008-07-24 00:31:37 -07:00
Andreas Gal
41e0593392 Maintain a separate frame for globals using InterpState->gp. 
This will allow nested loops to access the globals interned by outer loops while at the same time sharing parts of the stack of the outer loop.
 2008-07-23 23:18:02 -07:00
Andreas Gal
117bc4d9f9 Add a fast path for nativeFrameOffset that walks entire groups at a time, not slots. Check against the result calculated by the FORALL macro in DEBUG builds (for sanity). 2008-07-23 16:39:17 -07:00
Andreas Gal
4cc2061091 Merge. Make sure we clear out all slots from the tracker when leaving a frame. 2008-07-23 15:56:27 -07:00
Andreas Gal
df280d08d7 When addressing locations above the stack water level, use ->sp as base. Shaver accidently changed this to ->spbase when merging Igor's patch, so we were writing past the water mark and the stores were killed. 2008-07-23 15:48:15 -07:00
shaver@mozilla.org
c29aa4c3d2 tighten up some bounds, still not quite right 2008-07-23 11:42:52 -04:00
Andreas Gal
5dd9876515 Lazy fill the stackTracker as we lookup the nativeFrameOffset for values. Purge all entries related to the current frame when it is popped. This code could be further simplified if Tracker was a template. 2008-07-23 02:57:56 -07:00
shaver@mozilla.org
f0a625f5bc merge from andreas 2008-07-23 01:08:23 -04:00
shaver@mozilla.org
6f5e58e443 merge (still not working, probably box/unbox dumbness) 2008-07-23 01:06:18 -04:00
shaver@mozilla.org
a93fbcc99d merge (now compiling, untested) 2008-07-23 00:20:29 -04:00
Andreas Gal
c9cac5757f Handle leaving of frames in one central place. 2008-07-22 20:16:12 -07:00
Andreas Gal
c6828d3504 Reduce HOTLOOP threshold to 2. 2008-07-22 18:31:44 -07:00
Andreas Gal
06365155c2 Avoid calculating native frame offset by tracking the last load/store for every slot and extracting the offset from there. 2008-07-22 17:54:04 -07:00
Andreas Gal
48b195e651 Avoid nativeFrameOffset calls in import(). 2008-07-22 17:24:29 -07:00
Andreas Gal
14b0a0827d Merge. 2008-07-21 19:38:03 -07:00
Andreas Gal
9b799905ed Add a pattern to recognize safe_add and emit a simple add for it. 2008-07-21 19:37:43 -07:00
shaver@mozilla.org
e0b2e86c09 use nargs rather than argc, since bytecode only refers to [o-nargs) args 2008-07-21 22:31:08 -04:00
Andreas Gal
2d2bcf0fc8 Reverse the insanity that used to be tamarin's arg passing in ins2. Now it makes sense. 2008-07-21 17:59:42 -07:00
Andreas Gal
3b2a943332 Avoid overflow checks on integer adds when its safe to do so. 2008-07-21 17:50:17 -07:00
Andreas Gal
410c0b9a98 Eliminate entryFrame pointer (not safe to carry that around.) 2008-07-21 16:20:53 -07:00
Andreas Gal
b30f4c9be6 Use callDepth instead of entryFrame in the FORALL macro. 2008-07-21 16:19:38 -07:00
Andreas Gal
f1ef7f0175 Eliminate exit filter, write the type map directly in snapshot. 2008-07-21 15:09:19 -07:00
Andreas Gal
9495f9cb50 Sink stack-targeting type conversion in the set() path instead of in the ExitFilter. 2008-07-21 15:01:47 -07:00
Andreas Gal
a7cc4892f9 Use callDepth, not entryFrame in nativeFrameSlots(). 2008-07-21 14:55:41 -07:00
Andreas Gal
bce8e13528 Remove excess parameters of verifyTypeStability. 2008-07-21 13:21:00 -07:00
Andreas Gal
a0cd046167 Track call depth in the trace recorder. This lays the groundwork to get rid of entryFrame. 2008-07-21 13:18:08 -07:00
shaver@mozilla.org
124244af4b beginning of entryFrame removal 2008-07-21 15:57:02 -04:00
Andreas Gal
5067fc2638 Merge. 2008-07-21 12:44:03 -07:00
Andreas Gal
3f6f0d1ea5 Use ti instead of fi for TreeInfo pointers. 2008-07-21 12:43:51 -07:00
Andreas Gal
e9b2918575 Rename VMFragmentInfo to TreeInfo. 2008-07-21 12:41:43 -07:00
Andreas Gal
2f5e227963 Merge. 2008-07-20 17:36:47 -07:00
Andreas Gal
221f99adce Style cleanup and eliminate redundant f2u(i2f|u2f) chains. 2008-07-20 17:36:11 -07:00
Brendan Eich
4a9828f126 Cite bug 445262 with a FIXME instead of omfgHack_ prefix ;-). 2008-07-20 16:21:45 -07:00
Brendan Eich
464b70d055 Tighten up js_IsLoopEdge and include JSOP_IFNEX. 2008-07-20 16:11:52 -07:00
Brendan Eich
c278ae56e0 Nit patrol. 2008-07-20 16:09:08 -07:00
Andreas Gal
e82ab0c21f Simplify updating of the side exit target. 2008-07-20 14:56:04 -07:00
shaver@mozilla.org
368d1588bf simpler loop exit check (backwards is a loop exit, forwards is not) 2008-07-20 17:54:16 -04:00
shaver@mozilla.org
7546f723f5 force Math to be interned, and defend against non-interned globals until upvar saves us all 2008-07-20 17:23:39 -04:00
Andreas Gal
0b74e54db8 Use exponential backoff when trying to extend trees. 2008-07-20 14:28:56 -07:00
Andreas Gal
a0e38ffd84 Merge. 2008-07-20 13:29:20 -07:00
Andreas Gal
d4d2117f7c Don't emit boxed values, use the unboxed representation for constants. 2008-07-20 13:28:53 -07:00
Andreas Gal
71eb1da52f Removed meaningless assert. 2008-07-20 13:25:36 -07:00
shaver@mozilla.org
cadc5891e5 don't pretend we can trace INCELEM and friends (fixes trace-test.js, ahem) 2008-07-20 16:21:43 -04:00
shaver@mozilla.org
ed1d0a8953 improve tracing/recording diagnostics 2008-07-20 15:42:19 -04:00
shaver@mozilla.org
d03348f92d discard trace on global shape mismatch 2008-07-19 22:32:45 -07:00
Brendan Eich
5b009b1b49 Breathe, vertical-spacing, breathe! 2008-07-19 15:42:31 -07:00
shaver@mozilla.org
ef2e8305dc Avoid tracking object properties, make incElem work. 2008-07-19 10:24:10 -07:00
shaver@mozilla.org
f34cd71b78 Implement DEFLOCALFUN for the fully-lightweight case. 
Reset atoms base register on function entry and exit.
 2008-07-19 06:29:56 -07:00
Brendan Eich
293e6bd4c4 Improve js_IsLoopExit (unannotated JSOP_GOTO is still ambiguous). 2008-07-19 10:52:24 -07:00
Brendan Eich
a26be1bd4b Fix incProp to box and store (incElem still todo). 2008-07-19 10:24:28 -07:00
Andreas Gal
f2ad868fc0 Merge. hg sucks. 2008-07-19 00:40:54 -07:00
Andreas Gal
457c855d15 Don't demote fmul since it overflows in math-partial. We might try to demote it and then promote back if this happens (depends how aggressively we want so speculate). Speedup 6.6 for math-partial (since its sin/cos/pow heavy.) 2008-07-19 00:27:45 -07:00
Brendan Eich
d1b171e5e2 First stab at incops, plus unbox_jsval tag-masking guard fixes, plus misc. cleanup. 2008-07-19 00:15:22 -07:00
Andreas Gal
5495ccf586 Abort trace is STOP is leaving the recording context. 2008-07-18 19:15:49 -07:00
Andreas Gal
47ae25da20 Make entryFrame/entryRegs relative to the tree entry since we only adjust ip/sp/rp when exiting from the tree, not in between fragments. 2008-07-18 16:21:22 -07:00
Andreas Gal
a8b127d5af Adjust ip/sp/rp in the interpreter recovery code, not on the trace. 2008-07-18 15:35:59 -07:00
Andreas Gal
1c9c67b6a1 Write all the debug output to stdout (we can't easily make everything go to stderr, so this way at least it all goes into the same place.) 2008-07-18 14:13:31 -07:00
Andreas Gal
89b50ed124 Rework some of David's changes. Make sure we don't modify the tree until we are ready to attach the new fragment. Share lirbufs between tree branches. 2008-07-18 14:11:01 -07:00
David Anderson
4770d4b3e0 Got side exits seemingly working, added if.js to trace-test.js 2008-07-18 10:33:17 -07:00
shaver@mozilla.org
61d58bad87 Handle more operand types in ifop(). 2008-07-18 08:01:51 -07:00
shaver@mozilla.org
983e9cdb83 Better diagnostic info for trace abort. 2008-07-18 07:59:37 -07:00
shaver@mozilla.org
3eaeae50b5 lookup/find, but do not fill prop cache from recorder 2008-07-18 00:46:18 -07:00
shaver@mozilla.org
7078a99d21 When PROPERTY_CACHE_TEST misses, fall back to doing our own lookup via js_GetPropertyHelper. 2008-07-17 23:57:56 -07:00
Brendan Eich
84c0998916 Warning elimination. 2008-07-17 18:30:54 -07:00
Andreas Gal
f94180fbe2 Make sure we compile again if we reject a trace by decrementing hits. 2008-07-17 18:15:55 -07:00
Andreas Gal
f58160134a Fix hot loop triggering. 2008-07-17 18:10:47 -07:00
shaver@mozilla.org
859ec6fbb6 can't easily find real names for globals, so just number them 2008-07-17 17:33:18 -07:00
Andreas Gal
dded69f2a3 Merge. 2008-07-17 17:13:41 -07:00
Andreas Gal
19ed222624 Disable trees for the time being. 2008-07-17 17:12:28 -07:00
Andreas Gal
43fbfbfe1e Add if.js example for trees. 2008-07-17 16:38:09 -07:00
Andreas Gal
dbf2dc54bd Add the beginning of support for trees. 2008-07-17 16:20:13 -07:00
shaver@mozilla.org
3db81baa04 Label globals and locals with their source-names in trace. 
Show line number on abort.
 2008-07-17 15:09:48 -07:00
Andreas Gal
f91ca871ac Add js_IsLoopExit that indicates whether a side exit is likely to continue the loop or not. 2008-07-17 14:58:09 -07:00
Andreas Gal
3df09fb85c Cleanup recorder activation, use a single hot loop threshold (10). 2008-07-17 13:42:58 -07:00
Andreas Gal
954c5830e1 Added statistics and a js_DestroyJIT hook. Also use debug_only and not verbose_only as #ifdef DEBUG shortcut. 2008-07-17 10:22:40 -07:00
Andreas Gal
bfb3e457f1 Fix signature of insCall in the FuncFilter and remove f2i(i2f) elimination since we shouldn't really ever hit it. 2008-07-17 03:24:17 -07:00
Andreas Gal
e12047397c Move up addName to make sure it gets inline in non-debug mode. 2008-07-17 02:02:48 -07:00
shaver
87eacb1139 Add setprop and tests for setprop and cleanup labling code for debug mode (m=gal). 2008-07-17 02:00:23 -07:00
Andreas Gal
9d6fa41738 Cleanup trace abort handling. 2008-07-17 01:29:41 -07:00
Andreas Gal
3fa6978605 Merge. 2008-07-17 00:48:30 -07:00
Andreas Gal
3cd2b84ec4 Fixed ASSERT JS_DOUBLE != JS_VOID issue. If the root fragment fails to compile, trash the type-map and re-capture it when we try to re-compile. 2008-07-17 00:48:10 -07:00
shaver@mozilla.org
acde4fceb0 JSOP_LENGTH 2008-07-16 23:53:14 -07:00
Andreas Gal
6cfd498b7c Increase code cache size. 2008-07-16 23:47:57 -07:00
Andreas Gal
ad6b349616 Merge. 2008-07-16 23:39:12 -07:00
Andreas Gal
e2a0438e22 Fix f2i(i2f) filter (broken since the last TT sync, argument order changed from right to left to left to right). 2008-07-16 23:38:39 -07:00
Brendan Eich
13d6469f9b Prefer getarg;length, etc. to getargprop. 2008-07-16 23:33:04 -07:00
Andreas Gal
83ac88d4c7 Don't clear out arguments, clear out variables at method entry. 2008-07-16 23:04:50 -07:00
Andreas Gal
b243a8350a Better naming of the after_JSOP_CALL event (EnterFrame). 2008-07-16 23:00:59 -07:00
Andreas Gal
2442099090 Notify the recorder when a new frame was created by JSOP_CALL. 2008-07-16 22:58:06 -07:00
Andreas Gal
2379d6dcde Initialize arguments to void and write JSVAL_HOLE's value onto the native stack, not its boxed representation. 2008-07-16 22:25:56 -07:00
Andreas Gal
df5005a322 Hand in typemap the recorder is supposed to use (preparation for side exit compilation and trees). 2008-07-16 21:49:42 -07:00
Andreas Gal
def4afc614 Move the allocation of the LIR buffer and the FragmentInfo data structure creation (which includes typemap and interned global calculation) into loopedge. 2008-07-16 21:41:03 -07:00
Andreas Gal
af95344998 Make JSOP_CALLNAME tell us why it doesn't like to trace. 2008-07-16 19:00:14 -07:00
Andreas Gal
74f767e62b Fix generation of VOID immediates and initialize rval after the new frame was setup by CALL. 2008-07-16 17:44:44 -07:00
Andreas Gal
db7e41ed40 Add generic recorder hooks that are called before and after all opcodes as we trace. We might want to instead just move to pre_OP and post_OP. 2008-07-16 17:29:08 -07:00
Andreas Gal
c041bad939 Don't intern global function objects onto the native frame since we rarely ever need them anyway (we call them via the property cache). 2008-07-16 15:48:51 -07:00
Andreas Gal
7f119dc35a Enable CALLNAME and add test case for it so we can call global functions. 2008-07-16 15:40:35 -07:00
Andreas Gal
c7714a3ad5 Make sure this/argv[-1] is set fpr CALLVAR and CALLARG. 2008-07-16 15:13:27 -07:00
Andreas Gal
04ea9e0e09 Enable inlining for calls. Deep bailouts (from within side exits) are generated but are not allowed to be ever taken (for now). 2008-07-16 15:01:55 -07:00
Andreas Gal
43b7ba1be4 Don't use a builtin for this. For functions its interned in the native frame. For global this we read from fp->thisp. Restore jsinterp.cpp and jsinterp.h (no longer need COMPUTE_THIS exposed). 2008-07-16 14:36:50 -07:00
David Anderson
5dca2ad552 Synced nanojit with TT tip. 2008-07-16 14:21:31 -07:00
shaver@mozilla.org
ef9a5dc216 fix GETXPROP; thanks to brendan for playing chewbacca 2008-07-16 13:10:17 -04:00
shaver@mozilla.org
f8c80ec490 CALLARG, CALLVAR 2008-07-15 23:37:57 -04:00
shaver@mozilla.org
4937938676 fix scalpel left in nativeFrameSlots from aborted thisp addition to frame 2008-07-15 23:20:53 -04:00
shaver@mozilla.org
21a3ec3485 implement JSOP_MOD 2008-07-15 23:19:29 -04:00
shaver@mozilla.org
3a4c348313 Trace JSOP_THIS and JSOP_THISPROP. 
Rename getprop to get_prop, just because.
Extract COMPUTE_THIS to jsinterp.h as JS_COMPUTE_THIS for reuse in tracer.
 2008-07-15 21:37:00 -04:00
Andreas Gal
21490a6e41 Fix uncomplete range check for slot numbers of interned globals. 2008-07-15 17:10:52 -07:00
Andreas Gal
cd739bdb35 Strict aliasing cleanup. 2008-07-15 16:14:00 -07:00
Andreas Gal
3aeb53f580 Add a few consts to char* pointers to pacify gcc 4.2. 2008-07-15 16:04:08 -07:00
shaver@mozilla.org
3693365174 rename getpropfromval, it burns mine eyes 2008-07-15 18:29:42 -04:00
Andreas Gal
1b783425aa Assign blame where blame is due. 2008-07-15 15:05:16 -07:00
Andreas Gal
cbf4813605 Merge. 2008-07-15 13:14:05 -07:00
Andreas Gal
a81b83090e Sync with TT. 2008-07-15 13:06:05 -07:00
shaver@mozilla.org
919139d11b initialize dslots_ins 2008-07-15 13:40:11 -04:00
Brendan Eich
3ccdb62685 Propagate error exceptions from TraceRecorder ctor; fiddle/trim space. 2008-07-15 10:26:15 -07:00
shaver@mozilla.org
7d7ece76a8 GETVARPROP, GETARGPROP, GETXPROP 2008-07-15 13:17:51 -04:00
shaver@mozilla.org
409bb7f29d more ABORT_TRACE instrumentation (some should be asserts?) 2008-07-15 09:07:54 -04:00
Andreas Gal
5848fd6694 Generate a list of interned global slots (gslots) when we process the tree header. This list is then used whenever we iterate over the native frame. This is faster and safer than looking up properties in the global object every time. 2008-07-15 01:53:39 -07:00
Andreas Gal
84608819b9 Remove state exposing accessor functions from recorder and instead hand in that state via the constructor into ExitFilter. 2008-07-15 01:27:14 -07:00
Andreas Gal
1693476391 Guard in FragmentInfo on the shape of the global object. Don't check for the shape of the global object on the trace. 2008-07-15 01:08:13 -07:00
Andreas Gal
bac6ed12f4 Store list of interned global slots in struct FragmentInfo 2008-07-15 01:03:49 -07:00
Andreas Gal
9f761173f0 Added a callstack that will track the pc of the call that caused a function call to be inlined. This is necessary to recover from deep side exits inside inline functions. The callstack is subject to store elimination, so unnecessary stores to the stack will go dead automatically during compilation (i.e. if we inline a function that doesn't have side exits.) 2008-07-14 19:12:50 -07:00
Andreas Gal
df84a21add Fix warnings. 2008-07-14 17:52:38 -07:00
Andreas Gal
e59427d0f7 Use JS_GetGlobalForObject to get the global object. Walking back the call chain is not equivalent and not safe. 2008-07-14 16:40:38 -07:00
shaver@mozilla.org
0180d69fd8 fix our aliasing idiocy by extending jsdpun, add Math.sqrt, add strict-aliasing to our Makefile.ref flags 2008-07-14 18:22:05 -04:00
Brendan Eich
815146e0e4 Non-null prop from js_LookupProperty means found, so must unlock obj2 (now pobj) in all such cases. 2008-07-14 00:13:31 -07:00
Andreas Gal
4a598274f5 Clean up shaver's cleanup. 2008-07-13 22:02:42 -07:00
Andreas Gal
28e3ed165f Fixed printing of integer incoming values in DEBUG mode. 2008-07-13 21:53:35 -07:00
shaver@mozilla.org
0f64113822 merge, and fix locking and logic for FORALL_SLOTS 2008-07-14 00:51:43 -04:00
shaver@mozilla.org
4779e69591 make JSOP_CALL builtin specialization data-driven 2008-07-14 00:28:31 -04:00
Andreas Gal
8750e39409 Skip properties that were not found by LookupProperty. 2008-07-13 21:17:56 -07:00
Andreas Gal
30c7f0493e Reserve space for every global property that the current script has an atom for instead of trying to rely on ngvars. 2008-07-13 21:14:34 -07:00
Brendan Eich
044d6f9c93 Merge. 2008-07-12 23:44:23 -07:00
shaver@mozilla.org
46b4c7def2 fix the secondary map-native guard 2008-07-13 00:09:24 -04:00
Brendan Eich
ba3c776fc2 js_ for library-extern names like math_sin. 2008-07-12 12:35:36 -07:00
shaver@mozilla.org
6b30961e58 Guard against subzero array indices 2008-07-12 09:04:58 -04:00
Andreas Gal
3ccfc13098 Demote fneg to neg if input is known to be an integer (untested). 2008-07-12 00:34:10 -07:00
Andreas Gal
223f4f23f7 Merge. 2008-07-12 00:28:28 -07:00