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Record JSOP_LOOKUPSWITCH.

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This commit is contained in:
Brendan Eich 2008-08-10 23:20:24 -07:00
parent 207e579fe9
commit 43649cd01e
1 changed files with 19 additions and 2 deletions
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21
js/src/jstracer.cpp
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@ -2627,7 +2627,7 @@ TraceRecorder::record_JSOP_EQ()
if (JSVAL_IS_STRING(l) && JSVAL_IS_STRING(r)) {
LIns* args[] = { get(&r), get(&l) };
bool cond = js_EqualStrings(JSVAL_TO_STRING(l), JSVAL_TO_STRING(r));
LIns* x = lir->ins_eq0(lir->ins_eq0(lir->insCall(F_EqualStrings, args))); // pretty gross!
LIns* x = lir->ins_eq0(lir->ins_eq0(lir->insCall(F_EqualStrings, args)));
/* The interpreter fuses comparisons and the following branch,
so we have to do that here as well. */
if (cx->fp->regs->pc[1] == JSOP_IFEQ || cx->fp->regs->pc[1] == JSOP_IFNE)
@ -3565,7 +3565,24 @@ TraceRecorder::record_JSOP_TABLESWITCH()
bool
TraceRecorder::record_JSOP_LOOKUPSWITCH()
{
return false;
jsval& v = stackval(-1);
if (isNumber(v)) {
jsdouble d = asNumber(v);
jsdpun u;
u.d = d;
guard(true, addName(lir->ins2(LIR_feq, get(&v), lir->insImmq(u.u64)),
"guard(lookupswitch numeric)"));
} else if (JSVAL_IS_STRING(v)) {
LIns* args[] = { get(&v), lir->insImmPtr((void*) JSVAL_TO_STRING(v)) };
guard(true, addName(lir->ins_eq0(lir->ins_eq0(lir->insCall(F_EqualStrings, args))),
"guard(lookupswitch string)"));
} else if (JSVAL_IS_BOOLEAN(v)) {
guard(true, addName(lir->ins2(LIR_eq, get(&v), lir->insImm(JSVAL_TO_BOOLEAN(v))),
"guard(lookupswitch boolean)"));
} else {
ABORT_TRACE("lookupswitch on object, null, or undefined");
}
return true;
}
bool