moved dispatch functions to vm

db4
Phil Dawes 2009-08-17 21:37:08 +01:00
parent 2eca2ddeaf
commit c018372cd3
2 changed files with 107 additions and 15 deletions

105
vm/dispatch.cpp Normal file → Executable file
View File

@ -6,7 +6,7 @@ namespace factor
cell megamorphic_cache_hits;
cell megamorphic_cache_misses;
static cell search_lookup_alist(cell table, cell klass)
cell factorvm::search_lookup_alist(cell table, cell klass)
{
array *elements = untag<array>(table);
fixnum index = array_capacity(elements) - 2;
@ -21,7 +21,12 @@ static cell search_lookup_alist(cell table, cell klass)
return F;
}
static cell search_lookup_hash(cell table, cell klass, cell hashcode)
cell search_lookup_alist(cell table, cell klass)
{
return vm->search_lookup_alist(table,klass);
}
cell factorvm::search_lookup_hash(cell table, cell klass, cell hashcode)
{
array *buckets = untag<array>(table);
cell bucket = array_nth(buckets,hashcode & (array_capacity(buckets) - 1));
@ -31,19 +36,34 @@ static cell search_lookup_hash(cell table, cell klass, cell hashcode)
return search_lookup_alist(bucket,klass);
}
static cell nth_superclass(tuple_layout *layout, fixnum echelon)
cell search_lookup_hash(cell table, cell klass, cell hashcode)
{
return vm->search_lookup_hash(table,klass,hashcode);
}
cell factorvm::nth_superclass(tuple_layout *layout, fixnum echelon)
{
cell *ptr = (cell *)(layout + 1);
return ptr[echelon * 2];
}
static cell nth_hashcode(tuple_layout *layout, fixnum echelon)
cell nth_superclass(tuple_layout *layout, fixnum echelon)
{
return vm->nth_superclass(layout,echelon);
}
cell factorvm::nth_hashcode(tuple_layout *layout, fixnum echelon)
{
cell *ptr = (cell *)(layout + 1);
return ptr[echelon * 2 + 1];
}
static cell lookup_tuple_method(cell obj, cell methods)
cell nth_hashcode(tuple_layout *layout, fixnum echelon)
{
return vm->nth_hashcode(layout,echelon);
}
cell factorvm::lookup_tuple_method(cell obj, cell methods)
{
tuple_layout *layout = untag<tuple_layout>(untag<tuple>(obj)->layout);
@ -75,7 +95,12 @@ static cell lookup_tuple_method(cell obj, cell methods)
return F;
}
static cell lookup_hi_tag_method(cell obj, cell methods)
cell lookup_tuple_method(cell obj, cell methods)
{
return vm->lookup_tuple_method(obj,methods);
}
cell factorvm::lookup_hi_tag_method(cell obj, cell methods)
{
array *hi_tag_methods = untag<array>(methods);
cell tag = untag<object>(obj)->h.hi_tag() - HEADER_TYPE;
@ -85,7 +110,12 @@ static cell lookup_hi_tag_method(cell obj, cell methods)
return array_nth(hi_tag_methods,tag);
}
static cell lookup_hairy_method(cell obj, cell methods)
cell lookup_hi_tag_method(cell obj, cell methods)
{
return vm->lookup_hi_tag_method(obj,methods);
}
cell factorvm::lookup_hairy_method(cell obj, cell methods)
{
cell method = array_nth(untag<array>(methods),TAG(obj));
if(tagged<object>(method).type_p(WORD_TYPE))
@ -107,7 +137,12 @@ static cell lookup_hairy_method(cell obj, cell methods)
}
}
cell lookup_method(cell obj, cell methods)
cell lookup_hairy_method(cell obj, cell methods)
{
return vm->lookup_hairy_method(obj,methods);
}
cell factorvm::lookup_method(cell obj, cell methods)
{
cell tag = TAG(obj);
if(tag == TUPLE_TYPE || tag == OBJECT_TYPE)
@ -116,14 +151,24 @@ cell lookup_method(cell obj, cell methods)
return array_nth(untag<array>(methods),TAG(obj));
}
PRIMITIVE(lookup_method)
cell lookup_method(cell obj, cell methods)
{
return vm->lookup_method(obj,methods);
}
inline void factorvm::vmprim_lookup_method()
{
cell methods = dpop();
cell obj = dpop();
dpush(lookup_method(obj,methods));
}
cell object_class(cell obj)
PRIMITIVE(lookup_method)
{
PRIMITIVE_GETVM()->vmprim_lookup_method();
}
cell factorvm::object_class(cell obj)
{
switch(TAG(obj))
{
@ -136,13 +181,23 @@ cell object_class(cell obj)
}
}
static cell method_cache_hashcode(cell klass, array *array)
cell object_class(cell obj)
{
return vm->object_class(obj);
}
cell factorvm::method_cache_hashcode(cell klass, array *array)
{
cell capacity = (array_capacity(array) >> 1) - 1;
return ((klass >> TAG_BITS) & capacity) << 1;
}
static void update_method_cache(cell cache, cell klass, cell method)
cell method_cache_hashcode(cell klass, array *array)
{
return vm->method_cache_hashcode(klass,array);
}
void factorvm::update_method_cache(cell cache, cell klass, cell method)
{
array *cache_elements = untag<array>(cache);
cell hashcode = method_cache_hashcode(klass,cache_elements);
@ -150,7 +205,12 @@ static void update_method_cache(cell cache, cell klass, cell method)
set_array_nth(cache_elements,hashcode + 1,method);
}
PRIMITIVE(mega_cache_miss)
void update_method_cache(cell cache, cell klass, cell method)
{
return vm->update_method_cache(cache,klass,method);
}
inline void factorvm::vmprim_mega_cache_miss()
{
megamorphic_cache_misses++;
@ -167,12 +227,22 @@ PRIMITIVE(mega_cache_miss)
dpush(method);
}
PRIMITIVE(reset_dispatch_stats)
PRIMITIVE(mega_cache_miss)
{
PRIMITIVE_GETVM()->vmprim_mega_cache_miss();
}
inline void factorvm::vmprim_reset_dispatch_stats()
{
megamorphic_cache_hits = megamorphic_cache_misses = 0;
}
PRIMITIVE(dispatch_stats)
PRIMITIVE(reset_dispatch_stats)
{
PRIMITIVE_GETVM()->vmprim_reset_dispatch_stats();
}
inline void factorvm::vmprim_dispatch_stats()
{
growable_array stats;
stats.add(allot_cell(megamorphic_cache_hits));
@ -181,6 +251,11 @@ PRIMITIVE(dispatch_stats)
dpush(stats.elements.value());
}
PRIMITIVE(dispatch_stats)
{
PRIMITIVE_GETVM()->vmprim_dispatch_stats();
}
void quotation_jit::emit_mega_cache_lookup(cell methods_, fixnum index, cell cache_)
{
gc_root<array> methods(methods_);

View File

@ -466,6 +466,23 @@ struct factorvm {
fixnum quot_code_offset_to_scan(cell quot_, cell offset);
cell lazy_jit_compile_impl(cell quot_, stack_frame *stack);
inline void vmprim_quot_compiled_p();
//dispatch
cell search_lookup_alist(cell table, cell klass);
cell search_lookup_hash(cell table, cell klass, cell hashcode);
cell nth_superclass(tuple_layout *layout, fixnum echelon);
cell nth_hashcode(tuple_layout *layout, fixnum echelon);
cell lookup_tuple_method(cell obj, cell methods);
cell lookup_hi_tag_method(cell obj, cell methods);
cell lookup_hairy_method(cell obj, cell methods);
cell lookup_method(cell obj, cell methods);
inline void vmprim_lookup_method();
cell object_class(cell obj);
cell method_cache_hashcode(cell klass, array *array);
void update_method_cache(cell cache, cell klass, cell method);
inline void vmprim_mega_cache_miss();
inline void vmprim_reset_dispatch_stats();
inline void vmprim_dispatch_stats();
// next method here: