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Bug 498926 - lirasm - Support --execute with LIR_fret. r=jorendorff.

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This commit is contained in:
Paritosh Aggarwal 2009-06-17 11:52:20 -05:00
parent dfb15bdf9a
commit 8270114427
1 changed files with 19 additions and 7 deletions
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26
js/src/lirasm/lirasm.cpp
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@ -369,7 +369,8 @@ assemble(istream &in,
LirBuffer *lirbuf,
LirWriter *lir,
Fragment *frag,
vector<CallInfo*> &callinfos)
vector<CallInfo*> &callinfos,
bool *isFloat)
{
lir->ins0(LIR_start);
@ -387,6 +388,7 @@ assemble(istream &in,
vector<string> toks;
size_t line = 0;
*isFloat = false;
while(read_and_tokenize_line(in, toks, line)) {
@ -413,6 +415,7 @@ assemble(istream &in,
i->second->setTarget(ins);
}
fwd_jumps.erase(lab);
lab.clear();
}
extract_any_label(op, toks, lab, labels, line, '=');
@ -477,7 +480,7 @@ assemble(istream &in,
need(toks, 1, line);
{
int32_t count = imm(toks[0]);
if (uint32_t(count) > MAX_SKIP_BYTES)
if (uint32_t(count) > NJ_MAX_SKIP_PAYLOAD_SZB)
bad("oversize skip", line);
ins = do_skip(lir, count);
}
@ -492,6 +495,9 @@ assemble(istream &in,
labels, callinfos, line);
break;
case LIR_fret:
*isFloat = true;
/* FALL THROUGH */
default:
ins = assemble_general(opcount, opcode, toks,
lir, labels, line);
@ -649,7 +655,8 @@ main(int argc, char **argv)
cerr << "unable to open file " << args[0] << endl;
exit(1);
}
assemble(in, lirbuf, w, frag, callinfos);
bool isFloat;
assemble(in, lirbuf, w, frag, callinfos, &isFloat);
::compile(fragmento->assm(), frag);
@ -675,10 +682,15 @@ main(int argc, char **argv)
}
if (execute) {
typedef JS_FASTCALL int32_t (*RetInt)();
RetInt f1;
f1 = reinterpret_cast<RetInt>(frag->code());
cout << "Output is: " << f1() << endl;
if (isFloat) {
typedef JS_FASTCALL double (*RetDouble)();
RetDouble f = reinterpret_cast<RetDouble>(frag->code());
cout << "Output is: " << f() << endl;
} else {
typedef JS_FASTCALL int32_t (*RetInt)();
RetInt f = reinterpret_cast<RetInt>(frag->code());
cout << "Output is: " << f() << endl;
}
} else {
dump_srecords(cout, frag);
}