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Use GuardRecord/SideExit provided by the tracer in regexp (463281, r=danderson).

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This commit is contained in:
Andreas Gal 2008-11-05 14:26:51 -08:00
parent 0dd975151b
commit 2b6b89a66e
1 changed files with 5 additions and 19 deletions
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24
js/src/jsregexp.cpp
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@ -1966,20 +1966,6 @@ typedef List<LIns*, LIST_NonGCObjects> LInsList;
/* Dummy GC for nanojit placement new. */
static GC gc;
/*
* Small guard record structure that contains just the fields needed
* for the LIR_loop.
* FIXME bug 463258
*/
struct LoopGuardRecord {
void* jmp;
GuardRecord* next;
SideExit* exit;
GuardRecord* guards;
Fragment* from;
Fragment* target;
};
class RegExpNativeCompiler {
private:
JSRegExp* re; /* Careful: not fully initialized */
@ -2163,7 +2149,7 @@ class RegExpNativeCompiler {
JSBool compile(JSContext* cx)
{
LoopGuardRecord* guard;
GuardRecord* guard;
LIns* skip;
LIns* start;
@ -2196,11 +2182,11 @@ class RegExpNativeCompiler {
}
/* Create fake guard record for loop edge. */
skip = lirb->skip(sizeof(LoopGuardRecord));
guard = (LoopGuardRecord *) skip->payload();
skip = lirb->skip(sizeof(GuardRecord) + sizeof(SideExit));
guard = (GuardRecord *) skip->payload();
memset(guard, 0, sizeof(*guard));
guard->exit = (SideExit *) &guard->guards;
guard->from = guard->target = fragment;
guard->exit = (SideExit *) guard+1;
guard->exit->target = fragment;
fragment->lastIns = lir->insGuard(LIR_loop, lir->insImm(1), skip);
::compile(fragmento->assm(), fragment);