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6703888: Compressed Oops: use the 32-bits gap after klass in a object

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Use the gap also for a narrow oop field and a boxing object value.

Reviewed-by: coleenp, never
This commit is contained in:
Vladimir Kozlov 2008-05-21 16:31:35 -07:00
parent 76035424de
commit e53e767d88
13 changed files with 67 additions and 72 deletions
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5
hotspot/src/cpu/sparc/vm/sharedRuntime_sparc.cpp
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@ -2556,7 +2556,6 @@ nmethod *SharedRuntime::generate_dtrace_nmethod(
int total_strings = 0;
int first_arg_to_pass = 0;
int total_c_args = 0;
int box_offset = java_lang_boxing_object::value_offset_in_bytes();
// Skip the receiver as dtrace doesn't want to see it
if( !method->is_static() ) {
@ -2778,7 +2777,9 @@ nmethod *SharedRuntime::generate_dtrace_nmethod(
__ br_null(in_reg, true, Assembler::pn, skipUnbox);
__ delayed()->mov(G0, tmp);
switch (out_sig_bt[c_arg]) {
BasicType bt = out_sig_bt[c_arg];
int box_offset = java_lang_boxing_object::value_offset_in_bytes(bt);
switch (bt) {
case T_BYTE:
__ ldub(in_reg, box_offset, tmp); break;
case T_SHORT: