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Author SHA1 Message Date
Andreas Gal
a38e8a96c3 Add support to demote stores of constants that are currently represented as float but are really integers. bitwise.js is now compiled complete fp-casts free. 2008-07-07 01:05:53 -07:00
Andreas Gal
efa3309778 Demote floating point comparisons even if one side is constant (bug in nanojit, filed as #443884 against tamarin). Also demote add/sub/mul using the integer overflow detection side exit code that Ed adopted upstream. Tight loops (bitwise) are not emitted completely as integer code after the initial compilation using doubles triggered a speculative demotion of the context slots. 2008-07-07 00:43:40 -07:00
Andreas Gal
8ce0de1ad7 Sink type conversions into the side exit by updating the map and seeing though the cast in the store (in ExitFilter). Add a whole bunch of asserts on the varios speculative type states to make sure we get the state machine right. Import speculated integer values as integers into the trace (indicate in entry map). 2008-07-07 00:10:22 -07:00
Andreas Gal
34c2283213 Added loop-tail driven context slot type demotion. Without all the buzzwords, what this essentially means is that we detect if the last value that the trace leaves in a slot (which is the value that flows along the backedge back to the loop header) is known to originate from an integer value via i2f, we flag the slot as type integer and recompile the trace. We do this where type stability is certain (result of an and, i.e.) or where its very likely (++operator). If the speculation fails, the same analysis flags the slot as blocked, which means it will always be double. The hope is that this analysis converges quickly (1-2 recompilations tops). 2008-07-06 22:35:19 -07:00
Karl Tomlinson
8ee8338835 missed &s in 15688:953a299d8c32 b=430450 2008-07-07 16:15:07 +12:00
Karl Tomlinson
e41086c923 Correct variable names from 15688:953a299d8c32 b=430450 2008-07-07 15:46:50 +12:00
Andreas Gal
d6172e525e Make sure we don't get the argument order in BoxDouble wrong again. 2008-07-06 20:27:50 -07:00
Andreas Gal
efee2381b5 Make typemap uint8_t and fix order of arguments in call to BoxDouble. 2008-07-06 20:25:49 -07:00
shaver@mozilla.org
9ed160ad12 remove outdated guard (now inferred via filter as needed) 2008-07-06 23:11:59 -04:00
Karl Tomlinson
4aad426736 merge 2008-07-07 15:09:52 +12:00
shaver@mozilla.org
2c69d44f6f we only speak double around here now 2008-07-06 23:01:58 -04:00
Karl Tomlinson
9020a0cc8e Bug 430450 – vertical stripes in windowless plugins. 
Snap to pixels and round dirty rect out. r+sr=roc
 2008-07-07 14:49:38 +12:00
shaver@mozilla.org
10d122ba09 remove bogus NOT_REACHED 2008-07-06 22:39:02 -04:00
Karl Tomlinson
3fc8bd0f47 Add nsPresContext::AppUnitsToGfxUnits(const nsRect&) 
b=430450 r+sr=roc
 2008-07-07 14:28:24 +12:00
Gavin Sharp
370c6788cd Debugging followup (bug 431745) 2008-07-06 21:35:18 -04:00
Gavin Sharp
194703ae05 Debugging followup (bug 431745) 2008-07-06 21:10:46 -04:00
Gavin Sharp
206dbf08af Debugging followup (bug 431745) 2008-07-06 21:09:28 -04:00
Andreas Gal
312d176937 Strength reduce i2f(doubleToInt32(x)) and u2f(doubleToUint32(x)) to x. This eliminate most of the on-trace overhead, but we still need type peeling of loop variable into int to win back the performance loss casting introduced. 2008-07-06 17:43:08 -07:00
Andreas Gal
bd6deef4fc Reduce redundant doubleToInt32(i2f(x)) chains to simply x. 2008-07-06 17:32:21 -07:00
Gavin Sharp
f4d490d4c4 Debugging followup (bug 431745) 2008-07-06 19:52:35 -04:00
Gavin Sharp
3bbd185188 Debugging followup (bug 431745) 2008-07-06 19:39:50 -04:00
Andreas Gal
5ec69f76a7 Strength reduce BoxDouble(i2f(x)) to BoxInt32(x). Make sure loop indexes are actually integers. This guard will be eliminated further down in the pipeline if we decided to peel the type of the loop variable (index) down to integer. 2008-07-06 16:38:54 -07:00
Andreas Gal
a990d4a2e6 Since numbers are now always represented by doubles at the recorder/type level, using BoxDouble and UnboxDouble only when moving numbers from or to memory. A filter will then turn f2i(UnboxDouble) into UnboxInt where appropriate. 2008-07-06 16:18:45 -07:00
Andreas Gal
aeeff83beb Move the type level from int/double to number. All traces start out as double in all slots, and denote and promote to/from int as needed. The FuncFilter optimizes on-trace casting and elininates redundant f->i-> chains. More optimization needed on this of course, and this code is now a bit slower than the previous integer-register use. However, this does solve the q += 2.5 issues. The heap access code does not properly cast yet and is likely unstable. 2008-07-06 15:55:04 -07:00
Gavin Sharp
d2915d5735 Temporary debugging patch to try and get to the bottom of the test_sleep_wake failures (bug 431745) 2008-07-06 18:39:37 -04:00
shaver@mozilla.org
b28afaa80d Trace GETGVAR and INCGVAR, though not yet correctly. 2008-07-06 16:59:59 -04:00
Robert Kaiser
7267233b08 bug 440932 - toolkit dlmgr should be buildable by suite, supplemantal patch for including config.mk early enough, r=ted 2008-07-06 22:37:07 +02:00
Robert Kaiser
89f6228191 bug 442503 - Use MOZILLA_DIR for the Mozilla source dir in makensis.mk, r=ted 2008-07-06 22:34:45 +02:00
Robert Kaiser
5954a9c126 bug 442484 - packager.mk doesn't work correctly with non-default topsrcdir, r=ted 2008-07-06 22:30:32 +02:00
Andreas Gal
d30b7d1c8a Add unary and binary helpers that automatically demote and promote when dealing with integer operations (not used yet, need loop typemap peeling in place first.) 2008-07-06 13:16:34 -07:00
Andreas Gal
4e1aa1d977 JSVAL_IS_BOOLEAN does what isTrueOrFalse was trying to do. 2008-07-06 12:16:55 -07:00
Andreas Gal
5816dee707 Fix template, should use typename, not class. 2008-07-06 12:03:51 -07:00
Igor Bukanov
e1c0b7d628 Bug 443746 – Optimizing the enumeration state allocation. r=brendan 2008-07-06 21:02:44 +02:00
Andreas Gal
1343901446 Add ExitFilter, which builds side exit typemaps for us. This had to be moved into a filter, because this has to happen after we eliminate redundant i2f-f2i chains as we can sink those into the side exit by simply storing the unpromoted/undemoted value and just flip the type in the exit map. 2008-07-06 11:48:41 -07:00
Andreas Gal
84ec537a0c Merge. 2008-07-06 11:19:06 -07:00
Andreas Gal
9501bcd749 Added doubleToUint32 builtin and make tracker a template. 2008-07-06 10:59:55 -07:00
shaver@mozilla.org
d881a494aa fix builtin_UnboxInt32 signature and name shape_ins for debugging 2008-07-06 13:58:59 -04:00
shaver@mozilla.org
45b3826103 Trace JSOP_NAME, and refactor out jsval unboxing. 2008-07-06 13:38:55 -04:00
shaver@mozilla.org
06a27ca367 begin on JSOP_NAME, refactor stobj_get_slot to chain better 2008-07-06 12:15:55 -04:00
shaver@mozilla.org
d5f1772186 Fix optimizer flags for interp and builtins in debug mode, and clean out old 
TestNanojit.
 2008-07-06 10:24:09 -04:00
shaver@mozilla.org
f463dc6891 actually record at HOTLOOP1 (fencepost) 2008-07-06 09:56:25 -04:00
shaver@mozilla.org
7f5f2ae1c8 some remaining low-hanging ops 2008-07-06 09:52:50 -04:00
shaver@mozilla.org
38235e2eec move JSOP_DOUBLE impl to, er, JSOP_DOUBLE (wtf?) 2008-07-06 09:33:13 -04:00
shaver@mozilla.org
2d307b4b59 Implement JSOP_DOUBLE. 2008-07-06 07:28:36 -04:00
Andreas Gal
100f4ea5e0 Added support for semi-stable loop variables. Compiling for(...) q += 2.5; is ridiculously difficult because it flip-flops between int and double. Add support to promote integer values to doubles at the loop tail if at loop entry we expect a double. Since this isn't possible the other way around, we have to get luck that we catch a path into the loop where q is already double. For this we add 3 trigger points (10, 13, 37). We will try three times to record a trace at those iteration counts of a loop. If none succeed the loop is blacklisted. This probably needs more tuning down the road. 2008-07-05 23:21:53 -07:00
Andreas Gal
41efb6c488 Merge and rename jsIf to ifop. 2008-07-05 22:23:34 -07:00
Andreas Gal
a48c36fae3 Added FuncFilter from tamarin core (not part of nanojit yet since its slightly VM dependant). 2008-07-05 22:20:35 -07:00
Andreas Gal
0b28897ad3 Add helpers for i->f and f->i conversion. The f->i path goes via builtin calls. 2008-07-05 22:04:58 -07:00
Andreas Gal
68359155b9 Add type primitives for numbers (isNumber and asNumber). 2008-07-05 21:51:26 -07:00
shaver@mozilla.org
a268883f3c Implement JSOP_IFEQ, JSOP_IFNE, JSOP_DUP, JSOP_DUP2. 2008-07-05 23:47:24 -04:00