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comparison src/share/vm/opto/matcher.cpp @ 6266:1d7922586cf6

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7023639: JSR 292 method handle invocation needs a fast path for compiled code 6984705: JSR 292 method handle creation should not go through JNI Summary: remove assembly code for JDK 7 chained method handles Reviewed-by: jrose, twisti, kvn, mhaupt Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>
author twisti
date Tue, 24 Jul 2012 10:51:00 -0700
parents 8c92982cbbc4
children da91efe96a93
comparison
equal deleted inserted replaced
6241:aba91a731143 6266:1d7922586cf6
1281 } 1281 }
1282 1282
1283 if (is_method_handle_invoke) { 1283 if (is_method_handle_invoke) {
1284 // Kill some extra stack space in case method handles want to do 1284 // Kill some extra stack space in case method handles want to do
1285 // a little in-place argument insertion. 1285 // a little in-place argument insertion.
1286 // FIXME: Is this still necessary?
1286 int regs_per_word = NOT_LP64(1) LP64_ONLY(2); // %%% make a global const! 1287 int regs_per_word = NOT_LP64(1) LP64_ONLY(2); // %%% make a global const!
1287 out_arg_limit_per_call += MethodHandlePushLimit * regs_per_word; 1288 out_arg_limit_per_call += methodOopDesc::extra_stack_entries() * regs_per_word;
1288 // Do not update mcall->_argsize because (a) the extra space is not 1289 // Do not update mcall->_argsize because (a) the extra space is not
1289 // pushed as arguments and (b) _argsize is dead (not used anywhere). 1290 // pushed as arguments and (b) _argsize is dead (not used anywhere).
1290 } 1291 }
1291 1292
1292 // Compute the max stack slot killed by any call. These will not be 1293 // Compute the max stack slot killed by any call. These will not be