Mercurial > hg > graal-compiler
diff src/cpu/x86/vm/interp_masm_x86_64.cpp @ 6266:1d7922586cf6
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 | f08d439fab8c |
| children | 957c266d8bc5 da91efe96a93 |
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--- a/src/cpu/x86/vm/interp_masm_x86_64.cpp Mon Jul 23 13:04:59 2012 -0700 +++ b/src/cpu/x86/vm/interp_masm_x86_64.cpp Tue Jul 24 10:51:00 2012 -0700 @@ -256,8 +256,12 @@ // little-endian machines allow us that. movl(bytecode, Address(cache, index, Address::times_ptr, constantPoolCacheOopDesc::base_offset() + ConstantPoolCacheEntry::indices_offset())); const int shift_count = (1 + byte_no) * BitsPerByte; + assert((byte_no == TemplateTable::f1_byte && shift_count == ConstantPoolCacheEntry::bytecode_1_shift) || + (byte_no == TemplateTable::f2_byte && shift_count == ConstantPoolCacheEntry::bytecode_2_shift), + "correct shift count"); shrl(bytecode, shift_count); - andl(bytecode, 0xFF); + assert(ConstantPoolCacheEntry::bytecode_1_mask == ConstantPoolCacheEntry::bytecode_2_mask, "common mask"); + andl(bytecode, ConstantPoolCacheEntry::bytecode_1_mask); }