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comparison src/share/vm/interpreter/bytecodeInterpreter.cpp @ 1078:8e7adf982378

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6896043: first round of zero fixes Reviewed-by: kvn Contributed-by: Gary Benson <gbenson@redhat.com>
author twisti
date Fri, 27 Nov 2009 07:56:58 -0800
parents 354d3184f6b2
children f61d795ce6de
comparison
equal deleted inserted replaced
1073:de44705e6b33 1078:8e7adf982378
279 // skip is delta from current bcp/bci for target, branch_pc is pre-branch bcp 279 // skip is delta from current bcp/bci for target, branch_pc is pre-branch bcp
280 280
281 281
282 #define DO_BACKEDGE_CHECKS(skip, branch_pc) \ 282 #define DO_BACKEDGE_CHECKS(skip, branch_pc) \
283 if ((skip) <= 0) { \ 283 if ((skip) <= 0) { \
284 if (UseCompiler && UseLoopCounter) { \ 284 if (UseLoopCounter) { \
285 bool do_OSR = UseOnStackReplacement; \ 285 bool do_OSR = UseOnStackReplacement; \
286 BACKEDGE_COUNT->increment(); \ 286 BACKEDGE_COUNT->increment(); \
287 if (do_OSR) do_OSR = BACKEDGE_COUNT->reached_InvocationLimit(); \ 287 if (do_OSR) do_OSR = BACKEDGE_COUNT->reached_InvocationLimit(); \
288 if (do_OSR) { \ 288 if (do_OSR) { \
289 nmethod* osr_nmethod; \ 289 nmethod* osr_nmethod; \
290 OSR_REQUEST(osr_nmethod, branch_pc); \ 290 OSR_REQUEST(osr_nmethod, branch_pc); \
291 if (osr_nmethod != NULL && osr_nmethod->osr_entry_bci() != InvalidOSREntryBci) { \ 291 if (osr_nmethod != NULL && osr_nmethod->osr_entry_bci() != InvalidOSREntryBci) { \
292 intptr_t* buf; \ 292 intptr_t* buf = SharedRuntime::OSR_migration_begin(THREAD); \
293 CALL_VM(buf=SharedRuntime::OSR_migration_begin(THREAD), handle_exception); \
294 istate->set_msg(do_osr); \ 293 istate->set_msg(do_osr); \
295 istate->set_osr_buf((address)buf); \ 294 istate->set_osr_buf((address)buf); \
296 istate->set_osr_entry(osr_nmethod->osr_entry()); \ 295 istate->set_osr_entry(osr_nmethod->osr_entry()); \
297 return; \ 296 return; \
298 } \ 297 } \
299 } else { \
300 INCR_INVOCATION_COUNT; \
301 SAFEPOINT; \
302 } \ 298 } \
303 } /* UseCompiler ... */ \ 299 } /* UseCompiler ... */ \
304 INCR_INVOCATION_COUNT; \ 300 INCR_INVOCATION_COUNT; \
305 SAFEPOINT; \ 301 SAFEPOINT; \
306 } 302 }
1279 CASE(_f2d): /* convert top of stack float to double */ 1275 CASE(_f2d): /* convert top of stack float to double */
1280 { 1276 {
1281 jfloat f; 1277 jfloat f;
1282 jdouble r; 1278 jdouble r;
1283 f = STACK_FLOAT(-1); 1279 f = STACK_FLOAT(-1);
1284 #ifdef IA64
1285 // IA64 gcc bug
1286 r = ( f == 0.0f ) ? (jdouble) f : (jdouble) f + ia64_double_zero;
1287 #else
1288 r = (jdouble) f; 1280 r = (jdouble) f;
1289 #endif
1290 MORE_STACK(-1); // POP 1281 MORE_STACK(-1); // POP
1291 SET_STACK_DOUBLE(r, 1); 1282 SET_STACK_DOUBLE(r, 1);
1292 UPDATE_PC_AND_TOS_AND_CONTINUE(1, 2); 1283 UPDATE_PC_AND_TOS_AND_CONTINUE(1, 2);
1293 } 1284 }
1294 1285