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VM: modifying the uninitialized_blocks map in place instead of creating a new one is more efficient

db4
Björn Lindqvist 2014-12-04 18:04:49 +01:00 committed by John Benediktsson
parent 451fc12411
commit 1cec8a7814
1 changed files with 3 additions and 8 deletions
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11
vm/slot_visitor.hpp
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@ -204,17 +204,13 @@ template <typename Fixup>
void slot_visitor<Fixup>::visit_literal_table_roots() { void slot_visitor<Fixup>::visit_literal_table_roots() {
std::map<code_block*, cell>* uninitialized_blocks = std::map<code_block*, cell>* uninitialized_blocks =
&parent->code->uninitialized_blocks; &parent->code->uninitialized_blocks;
std::map<code_block*, cell>::const_iterator iter = std::map<code_block*, cell>::iterator iter =
uninitialized_blocks->begin(); uninitialized_blocks->begin();
std::map<code_block*, cell>::const_iterator end = uninitialized_blocks->end(); std::map<code_block*, cell>::iterator end = uninitialized_blocks->end();
std::map<code_block*, cell> new_uninitialized_blocks;
for (; iter != end; iter++) { for (; iter != end; iter++) {
new_uninitialized_blocks.insert( iter->second = visit_pointer(iter->second);
std::make_pair(iter->first, visit_pointer(iter->second)));
} }
parent->code->uninitialized_blocks = new_uninitialized_blocks;
} }
template <typename Fixup> void slot_visitor<Fixup>::visit_sample_callstacks() { template <typename Fixup> void slot_visitor<Fixup>::visit_sample_callstacks() {
@ -398,7 +394,6 @@ void slot_visitor<Fixup>::visit_context(context* ctx) {
visit_stack_elements(ctx->retainstack_seg, (cell*)ctx->retainstack); visit_stack_elements(ctx->retainstack_seg, (cell*)ctx->retainstack);
visit_object_array(ctx->context_objects, visit_object_array(ctx->context_objects,
ctx->context_objects + context_object_count); ctx->context_objects + context_object_count);
} }
template <typename Fixup> void slot_visitor<Fixup>::visit_contexts() { template <typename Fixup> void slot_visitor<Fixup>::visit_contexts() {