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8014448: Purge PrintCompactFieldsSavings

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Remove obsolete debugging code.

Reviewed-by: dholmes, kvn
This commit is contained in:
Aleksey Shipilev 2013-05-14 11:34:30 +04:00 committed by Aleksey Shipilev
parent 7a409b13e0
commit b3675a00d9
2 changed files with 0 additions and 40 deletions
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37
hotspot/src/share/vm/classfile/classFileParser.cpp
View File

@ -3114,9 +3114,6 @@ void ClassFileParser::layout_fields(Handle class_loader,
// Field size and offset computation
int nonstatic_field_size = _super_klass() == NULL ? 0 : _super_klass()->nonstatic_field_size();
#ifndef PRODUCT
int orig_nonstatic_field_size = 0;
#endif
int next_static_oop_offset;
int next_static_double_offset;
int next_static_word_offset;
@ -3201,25 +3198,6 @@ void ClassFileParser::layout_fields(Handle class_loader,
first_nonstatic_oop_offset = 0; // will be set for first oop field
#ifndef PRODUCT
if( PrintCompactFieldsSavings ) {
next_nonstatic_double_offset = next_nonstatic_field_offset +
(nonstatic_oop_count * heapOopSize);
if ( nonstatic_double_count > 0 ) {
next_nonstatic_double_offset = align_size_up(next_nonstatic_double_offset, BytesPerLong);
}
next_nonstatic_word_offset = next_nonstatic_double_offset +
(nonstatic_double_count * BytesPerLong);
next_nonstatic_short_offset = next_nonstatic_word_offset +
(nonstatic_word_count * BytesPerInt);
next_nonstatic_byte_offset = next_nonstatic_short_offset +
(nonstatic_short_count * BytesPerShort);
next_nonstatic_type_offset = align_size_up((next_nonstatic_byte_offset +
nonstatic_byte_count ), heapOopSize );
orig_nonstatic_field_size = nonstatic_field_size +
((next_nonstatic_type_offset - first_nonstatic_field_offset)/heapOopSize);
}
#endif
bool compact_fields = CompactFields;
int allocation_style = FieldsAllocationStyle;
if( allocation_style < 0 || allocation_style > 2 ) { // Out of range?
@ -3593,21 +3571,6 @@ void ClassFileParser::layout_fields(Handle class_loader,
first_nonstatic_oop_offset);
#ifndef PRODUCT
if( PrintCompactFieldsSavings ) {
ResourceMark rm;
if( nonstatic_field_size < orig_nonstatic_field_size ) {
tty->print("[Saved %d of %d bytes in %s]\n",
(orig_nonstatic_field_size - nonstatic_field_size)*heapOopSize,
orig_nonstatic_field_size*heapOopSize,
_class_name);
} else if( nonstatic_field_size > orig_nonstatic_field_size ) {
tty->print("[Wasted %d over %d bytes in %s]\n",
(nonstatic_field_size - orig_nonstatic_field_size)*heapOopSize,
orig_nonstatic_field_size*heapOopSize,
_class_name);
}
}
if (PrintFieldLayout) {
print_field_layout(_class_name,
_fields,

3
hotspot/src/share/vm/runtime/globals.hpp
View File

@ -1159,9 +1159,6 @@ class CommandLineFlags {
product(bool, CompactFields, true, \
"Allocate nonstatic fields in gaps between previous fields") \
\
notproduct(bool, PrintCompactFieldsSavings, false, \
"Print how many words were saved with CompactFields") \
\
notproduct(bool, PrintFieldLayout, false, \
"Print field layout for each class") \
\