Mercurial > hg > truffle
comparison src/share/vm/runtime/arguments.cpp @ 17:ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
Reviewed-by: kvn, rasbold
| author | never |
|---|---|
| date | Wed, 05 Dec 2007 09:01:00 -0800 |
| parents | a61af66fc99e |
| children | 8b6e49187640 |
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| 16:f8236e79048a | 17:ff5961f4c095 |
|---|---|
| 1252 } | 1252 } |
| 1253 } | 1253 } |
| 1254 | 1254 |
| 1255 // Aggressive optimization flags -XX:+AggressiveOpts | 1255 // Aggressive optimization flags -XX:+AggressiveOpts |
| 1256 void Arguments::set_aggressive_opts_flags() { | 1256 void Arguments::set_aggressive_opts_flags() { |
| 1257 #ifdef COMPILER2 | |
| 1258 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { | |
| 1259 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { | |
| 1260 FLAG_SET_DEFAULT(EliminateAutoBox, true); | |
| 1261 } | |
| 1262 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { | |
| 1263 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); | |
| 1264 } | |
| 1265 | |
| 1266 // Feed the cache size setting into the JDK | |
| 1267 char buffer[1024]; | |
| 1268 sprintf(buffer, "java.lang.Integer.IntegerCache.high=%d", AutoBoxCacheMax); | |
| 1269 add_property(buffer); | |
| 1270 } | |
| 1271 #endif | |
| 1272 | |
| 1257 if (AggressiveOpts) { | 1273 if (AggressiveOpts) { |
| 1258 NOT_WINDOWS( | 1274 NOT_WINDOWS( |
| 1259 // No measured benefit on Windows | 1275 // No measured benefit on Windows |
| 1260 if (FLAG_IS_DEFAULT(CacheTimeMillis)) { | 1276 if (FLAG_IS_DEFAULT(CacheTimeMillis)) { |
| 1261 FLAG_SET_DEFAULT(CacheTimeMillis, true); | 1277 FLAG_SET_DEFAULT(CacheTimeMillis, true); |