Mercurial > hg > graal-jvmci-8
diff src/share/vm/opto/runtime.cpp @ 20438:166d744df0de
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
Summary: Add new C2 intrinsic for BigInteger::multiplyToLen() on x86 in 64-bit VM.
Reviewed-by: roland
| author | kvn |
|---|---|
| date | Tue, 02 Sep 2014 12:48:45 -0700 |
| parents | b20a35eae442 |
| children | 7848fc12602b ddce0b7cee93 |
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--- a/src/share/vm/opto/runtime.cpp Tue Sep 09 19:18:13 2014 +0000 +++ b/src/share/vm/opto/runtime.cpp Tue Sep 02 12:48:45 2014 -0700 @@ -942,6 +942,30 @@ return TypeFunc::make(domain, range); } +const TypeFunc* OptoRuntime::multiplyToLen_Type() { + // create input type (domain) + int num_args = 6; + int argcnt = num_args; + const Type** fields = TypeTuple::fields(argcnt); + int argp = TypeFunc::Parms; + fields[argp++] = TypePtr::NOTNULL; // x + fields[argp++] = TypeInt::INT; // xlen + fields[argp++] = TypePtr::NOTNULL; // y + fields[argp++] = TypeInt::INT; // ylen + fields[argp++] = TypePtr::NOTNULL; // z + fields[argp++] = TypeInt::INT; // zlen + assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); + const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); + + // no result type needed + fields = TypeTuple::fields(1); + fields[TypeFunc::Parms+0] = NULL; + const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); + return TypeFunc::make(domain, range); +} + + + //------------- Interpreter state access for on stack replacement const TypeFunc* OptoRuntime::osr_end_Type() { // create input type (domain)