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comparison src/share/vm/opto/runtime.cpp @ 23813:daaf806995b3

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8081778: Use Intel x64 CPU instructions for RSA acceleration Summary: Add intrinsics for BigInteger squareToLen and mulAdd methods. Reviewed-by: kvn, jrose
author igerasim
date Wed, 17 Feb 2016 13:40:12 +0300
parents ddce0b7cee93
children ea7ac121a5d3
comparison
equal deleted inserted replaced
23812:81adfb064a4f 23813:daaf806995b3
954 fields[TypeFunc::Parms+0] = NULL; 954 fields[TypeFunc::Parms+0] = NULL;
955 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); 955 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
956 return TypeFunc::make(domain, range); 956 return TypeFunc::make(domain, range);
957 } 957 }
958 958
959 const TypeFunc* OptoRuntime::squareToLen_Type() {
960 // create input type (domain)
961 int num_args = 4;
962 int argcnt = num_args;
963 const Type** fields = TypeTuple::fields(argcnt);
964 int argp = TypeFunc::Parms;
965 fields[argp++] = TypePtr::NOTNULL; // x
966 fields[argp++] = TypeInt::INT; // len
967 fields[argp++] = TypePtr::NOTNULL; // z
968 fields[argp++] = TypeInt::INT; // zlen
969 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
970 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
971
972 // no result type needed
973 fields = TypeTuple::fields(1);
974 fields[TypeFunc::Parms+0] = NULL;
975 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
976 return TypeFunc::make(domain, range);
977 }
978
979 // for mulAdd calls, 2 pointers and 3 ints, returning int
980 const TypeFunc* OptoRuntime::mulAdd_Type() {
981 // create input type (domain)
982 int num_args = 5;
983 int argcnt = num_args;
984 const Type** fields = TypeTuple::fields(argcnt);
985 int argp = TypeFunc::Parms;
986 fields[argp++] = TypePtr::NOTNULL; // out
987 fields[argp++] = TypePtr::NOTNULL; // in
988 fields[argp++] = TypeInt::INT; // offset
989 fields[argp++] = TypeInt::INT; // len
990 fields[argp++] = TypeInt::INT; // k
991 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
992 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
993
994 // returning carry (int)
995 fields = TypeTuple::fields(1);
996 fields[TypeFunc::Parms+0] = TypeInt::INT;
997 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
998 return TypeFunc::make(domain, range);
999 }
1000
959 1001
960 1002
961 //------------- Interpreter state access for on stack replacement 1003 //------------- Interpreter state access for on stack replacement
962 const TypeFunc* OptoRuntime::osr_end_Type() { 1004 const TypeFunc* OptoRuntime::osr_end_Type() {
963 // create input type (domain) 1005 // create input type (domain)