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src/share/vm/opto/runtime.cpp
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rev 8502 : 8046943: Leverage CPU Instructions for GHASH and RSA
Summary: Add montgomeryMultiply intrinsics
Reviewed-by: kvn
*** 98,107 ****
--- 98,109 ----
address OptoRuntime::_complete_monitor_locking_Java = NULL;
address OptoRuntime::_rethrow_Java = NULL;
address OptoRuntime::_slow_arraycopy_Java = NULL;
address OptoRuntime::_register_finalizer_Java = NULL;
+ address OptoRuntime::_montgomeryMultiply_Java = NULL;
+ address OptoRuntime::_montgomerySquare_Java = NULL;
# ifdef ENABLE_ZAP_DEAD_LOCALS
address OptoRuntime::_zap_dead_Java_locals_Java = NULL;
address OptoRuntime::_zap_dead_native_locals_Java = NULL;
# endif
*** 985,994 ****
--- 987,1044 ----
fields[TypeFunc::Parms+0] = TypeInt::INT;
const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
return TypeFunc::make(domain, range);
}
+ const TypeFunc* OptoRuntime::montgomeryMultiply_Type() {
+ // create input type (domain)
+ int num_args = 8;
+ int argcnt = num_args;
+ const Type** fields = TypeTuple::fields(argcnt);
+ int argp = TypeFunc::Parms;
+ fields[argp++] = TypePtr::NOTNULL; // a
+ fields[argp++] = TypePtr::NOTNULL; // b
+ fields[argp++] = TypePtr::NOTNULL; // n
+ fields[argp++] = TypeInt::INT; // len
+ fields[argp++] = TypeLong::LONG; // inv
+ fields[argp++] = Type::HALF;
+ fields[argp++] = TypePtr::NOTNULL; // scratch
+ fields[argp++] = TypePtr::NOTNULL; // result
+ assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
+ const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
+
+ // result type needed
+ fields = TypeTuple::fields(1);
+ fields[TypeFunc::Parms+0] = TypePtr::NOTNULL;
+
+ const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
+ return TypeFunc::make(domain, range);
+ }
+
+ const TypeFunc* OptoRuntime::montgomerySquare_Type() {
+ // create input type (domain)
+ int num_args = 7;
+ int argcnt = num_args;
+ const Type** fields = TypeTuple::fields(argcnt);
+ int argp = TypeFunc::Parms;
+ fields[argp++] = TypePtr::NOTNULL; // a
+ fields[argp++] = TypePtr::NOTNULL; // n
+ fields[argp++] = TypeInt::INT; // len
+ fields[argp++] = TypeLong::LONG; // inv
+ fields[argp++] = Type::HALF;
+ fields[argp++] = TypePtr::NOTNULL; // scratch
+ fields[argp++] = TypePtr::NOTNULL; // result
+ assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
+ const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
+
+ // result type needed
+ fields = TypeTuple::fields(1);
+ fields[TypeFunc::Parms+0] = TypePtr::NOTNULL;
+
+ 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)
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