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7071427: AdapterFingerPrint can hold 8 entries per int

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Reviewed-by: kvn
This commit is contained in:
Tom Rodriguez 2011-07-27 15:06:35 -07:00
parent dd43791e4a
commit c895368552
2 changed files with 8 additions and 6 deletions
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3
hotspot/src/share/vm/runtime/java.cpp
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@ -243,6 +243,7 @@ void print_statistics() {
FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintC1Statistics); FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintC1Statistics);
Runtime1::print_statistics(); Runtime1::print_statistics();
Deoptimization::print_statistics(); Deoptimization::print_statistics();
SharedRuntime::print_statistics();
nmethod::print_statistics(); nmethod::print_statistics();
} }
#endif /* COMPILER1 */ #endif /* COMPILER1 */
@ -254,8 +255,8 @@ void print_statistics() {
#ifndef COMPILER1 #ifndef COMPILER1
Deoptimization::print_statistics(); Deoptimization::print_statistics();
nmethod::print_statistics(); nmethod::print_statistics();
#endif //COMPILER1
SharedRuntime::print_statistics(); SharedRuntime::print_statistics();
#endif //COMPILER1
os::print_statistics(); os::print_statistics();
} }

11
hotspot/src/share/vm/runtime/sharedRuntime.cpp
View file

@ -2130,9 +2130,9 @@ class AdapterFingerPrint : public CHeapObj {
public: public:
AdapterFingerPrint(int total_args_passed, BasicType* sig_bt) { AdapterFingerPrint(int total_args_passed, BasicType* sig_bt) {
// The fingerprint is based on the BasicType signature encoded // The fingerprint is based on the BasicType signature encoded
// into an array of ints with four entries per int. // into an array of ints with eight entries per int.
int* ptr; int* ptr;
int len = (total_args_passed + 3) >> 2; int len = (total_args_passed + 7) >> 3;
if (len <= (int)(sizeof(_value._compact) / sizeof(int))) { if (len <= (int)(sizeof(_value._compact) / sizeof(int))) {
_value._compact[0] = _value._compact[1] = _value._compact[2] = 0; _value._compact[0] = _value._compact[1] = _value._compact[2] = 0;
// Storing the signature encoded as signed chars hits about 98% // Storing the signature encoded as signed chars hits about 98%
@ -2145,11 +2145,11 @@ class AdapterFingerPrint : public CHeapObj {
ptr = _value._fingerprint; ptr = _value._fingerprint;
} }
// Now pack the BasicTypes with 4 per int // Now pack the BasicTypes with 8 per int
int sig_index = 0; int sig_index = 0;
for (int index = 0; index < len; index++) { for (int index = 0; index < len; index++) {
int value = 0; int value = 0;
for (int byte = 0; byte < 4; byte++) { for (int byte = 0; byte < 8; byte++) {
if (sig_index < total_args_passed) { if (sig_index < total_args_passed) {
value = (value << 4) | adapter_encoding(sig_bt[sig_index++]); value = (value << 4) | adapter_encoding(sig_bt[sig_index++]);
} }
@ -2190,8 +2190,9 @@ class AdapterFingerPrint : public CHeapObj {
const char* as_string() { const char* as_string() {
stringStream st; stringStream st;
st.print("0x");
for (int i = 0; i < length(); i++) { for (int i = 0; i < length(); i++) {
st.print(PTR_FORMAT, value(i)); st.print("%08x", value(i));
} }
return st.as_string(); return st.as_string();
} }