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Bug 417995 - SpanDeps allocation does not use JSArenas anymore, r+/a+=brendan

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This commit is contained in:
crowder@fiverocks.com 2008-02-18 13:09:50 -08:00
parent 8ef681ab63
commit 222f90ff01
1 changed files with 6 additions and 12 deletions
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18
js/src/jsemit.c
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@ -106,6 +106,8 @@ js_FinishCodeGenerator(JSContext *cx, JSCodeGenerator *cg)
TREE_CONTEXT_FINISH(&cg->treeContext);
JS_ARENA_RELEASE(cg->codePool, cg->codeMark);
JS_ARENA_RELEASE(cg->notePool, cg->noteMark);
if (cg->spanDeps) /* non-null only after OOM */
JS_free(cx, cg->spanDeps);
}
static ptrdiff_t
@ -522,17 +524,10 @@ AddSpanDep(JSContext *cx, JSCodeGenerator *cg, jsbytecode *pc, jsbytecode *pc2,
if ((index & (index - 1)) == 0 &&
(!(sdbase = cg->spanDeps) || index >= SPANDEPS_MIN)) {
if (!sdbase) {
size = SPANDEPS_SIZE_MIN;
JS_ARENA_ALLOCATE_CAST(sdbase, JSSpanDep *, &cx->tempPool, size);
} else {
size = SPANDEPS_SIZE(index);
JS_ARENA_GROW_CAST(sdbase, JSSpanDep *, &cx->tempPool, size, size);
}
if (!sdbase) {
js_ReportOutOfScriptQuota(cx);
size = sdbase ? SPANDEPS_SIZE(index) : SPANDEPS_SIZE_MIN / 2;
sdbase = (JSSpanDep *) JS_realloc(cx, sdbase, size + size);
if (!sdbase)
return JS_FALSE;
}
cg->spanDeps = sdbase;
}
@ -1146,8 +1141,7 @@ OptimizeSpanDeps(JSContext *cx, JSCodeGenerator *cg)
* can span top-level statements, because JS lacks goto.
*/
size = SPANDEPS_SIZE(JS_BIT(JS_CeilingLog2(cg->numSpanDeps)));
JS_ArenaFreeAllocation(&cx->tempPool, cg->spanDeps,
JS_MAX(size, SPANDEPS_SIZE_MIN));
JS_free(cx, cg->spanDeps);
cg->spanDeps = NULL;
FreeJumpTargets(cg, cg->jumpTargets);
cg->jumpTargets = NULL;