wine/gecko
0
0
Fork 0
mirror of https://gitlab.winehq.org/wine/wine-gecko.git synced 2024-09-13 09:24:08 -07:00
Code Issues Packages Projects Releases Wiki Activity

Bug 844515 followup - Avoid bailout loop with --ion-eager. r=djvj

Browse Source 
--HG--
extra : rebase_source : b3f2d2291d0905396428256b721dc262be7c43a9
This commit is contained in:
Jan de Mooij 2013-02-27 19:33:24 +01:00
parent 6b2e7a3fec
commit 845018bdb6
1 changed files with 14 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
js/src/ion/BaselineBailouts.cpp
View File

@ -591,11 +591,22 @@ InitFromBailout(JSContext *cx, HandleFunction fun, HandleScript script, Snapshot
size_t endOfBaselineJSFrameStack = builder.framePushed();
// Get the PC
uint32_t pcOff = iter.pcOffset();
jsbytecode *pc = script->code + pcOff;
jsbytecode *pc = script->code + iter.pcOffset();
bool resumeAfter = iter.resumeAfter();
// If we are resuming at a LOOPENTRY op, resume at the next op to avoid
// a bailout -> enter Ion -> bailout loop with --ion-eager. See also
// ThunkToInterpreter.
if (!resumeAfter) {
while (JSOp(*pc) == JSOP_GOTO)
pc += GET_JUMP_OFFSET(pc);
if (JSOp(*pc) == JSOP_LOOPENTRY)
pc = GetNextPc(pc);
}
uint32_t pcOff = pc - script->code;
JSOp op = JSOp(*pc);
bool isCall = js_CodeSpec[op].format & JOF_INVOKE;
bool resumeAfter = iter.resumeAfter();
BaselineScript *baselineScript = script->baselineScript();
// For fun.apply({}, arguments) the reconstructStackDepth will be atleast 4,