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6892658: C2 should optimize some stringbuilder patterns

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Reviewed-by: kvn, twisti
This commit is contained in:
Tom Rodriguez 2009-11-12 09:24:21 -08:00
parent 63cc2211ed
commit 9db2092b1b
35 changed files with 2245 additions and 115 deletions
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6
hotspot/src/share/vm/classfile/vmSymbols.cpp
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@ -303,6 +303,11 @@ inline bool match_F_R(jshort flags) {
const int neg = JVM_ACC_STATIC | JVM_ACC_SYNCHRONIZED;
return (flags & (req | neg)) == req;
}
inline bool match_F_Y(jshort flags) {
const int req = JVM_ACC_SYNCHRONIZED;
const int neg = JVM_ACC_STATIC;
return (flags & (req | neg)) == req;
}
inline bool match_F_RN(jshort flags) {
const int req = JVM_ACC_NATIVE;
const int neg = JVM_ACC_STATIC | JVM_ACC_SYNCHRONIZED;
@ -361,6 +366,7 @@ const char* vmIntrinsics::short_name_as_C_string(vmIntrinsics::ID id, char* buf,
const char* sname = vmSymbols::name_for(signature_for(id));
const char* fname = "";
switch (flags_for(id)) {
case F_Y: fname = "synchronized "; break;
case F_RN: fname = "native "; break;
case F_SN: fname = "native static "; break;
case F_S: fname = "static "; break;