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Allow tree to grow around unbox operations when the type of the value changes (452514, r=danderson).

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This commit is contained in:
Andreas Gal 2008-09-18 17:40:46 -07:00
parent 9d7afa336a
commit f06affb8ed
1 changed files with 4 additions and 4 deletions
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8
js/src/jstracer.cpp
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@ -3555,7 +3555,7 @@ TraceRecorder::unbox_jsval(jsval v, LIns*& v_ins)
lir->ins2(LIR_piand, v_ins,
INS_CONST(JSVAL_TAGMASK)),
JSVAL_DOUBLE))),
MISMATCH_EXIT);
BRANCH_EXIT);
LIns* args[] = { v_ins };
v_ins = lir->insCall(F_UnboxDouble, args);
return true;
@ -3566,7 +3566,7 @@ TraceRecorder::unbox_jsval(jsval v, LIns*& v_ins)
lir->ins2i(LIR_eq,
lir->ins2(LIR_piand, v_ins, INS_CONST(JSVAL_TAGMASK)),
JSVAL_BOOLEAN),
MISMATCH_EXIT);
BRANCH_EXIT);
v_ins = lir->ins2i(LIR_ush, v_ins, JSVAL_TAGBITS);
return true;
case JSVAL_OBJECT:
@ -3574,14 +3574,14 @@ TraceRecorder::unbox_jsval(jsval v, LIns*& v_ins)
lir->ins2i(LIR_eq,
lir->ins2(LIR_piand, v_ins, INS_CONST(JSVAL_TAGMASK)),
JSVAL_OBJECT),
MISMATCH_EXIT);
BRANCH_EXIT);
return true;
case JSVAL_STRING:
guard(true,
lir->ins2i(LIR_eq,
lir->ins2(LIR_piand, v_ins, INS_CONST(JSVAL_TAGMASK)),
JSVAL_STRING),
MISMATCH_EXIT);
BRANCH_EXIT);
v_ins = lir->ins2(LIR_piand, v_ins, INS_CONST(~JSVAL_TAGMASK));
return true;
}