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Make 16 simple hasher cases for small types

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This commit is contained in:
gingerBill
2020-11-29 18:17:21 +00:00
parent 9e13416312
commit f06f33872c
4 changed files with 55 additions and 59 deletions
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src/check_type.cpp
+18 -24
View File
@@ -2860,37 +2860,31 @@ void add_map_key_type_dependencies(CheckerContext *ctx, Type *key) {
return;
}
if (is_type_simple_compare(key)) {
i64 sz = type_size_of(key);
if (1 <= sz && sz <= 16) {
char buf[20] = {};
gb_snprintf(buf, 20, "default_hasher%d", cast(i32)sz);
add_package_dependency(ctx, "runtime", buf);
return;
} else {
add_package_dependency(ctx, "runtime", "default_hasher_n");
return;
}
}
if (key->kind == Type_Struct) {
add_package_dependency(ctx, "runtime", "default_hasher_n");
if (!is_type_simple_compare(key)) {
for_array(i, key->Struct.fields) {
Entity *field = key->Struct.fields[i];
add_map_key_type_dependencies(ctx, field->type);
}
for_array(i, key->Struct.fields) {
Entity *field = key->Struct.fields[i];
add_map_key_type_dependencies(ctx, field->type);
}
} else if (key->kind == Type_EnumeratedArray) {
add_package_dependency(ctx, "runtime", "default_hasher_n");
if (!is_type_simple_compare(key->EnumeratedArray.elem)) {
add_map_key_type_dependencies(ctx, key->EnumeratedArray.elem);
}
add_map_key_type_dependencies(ctx, key->EnumeratedArray.elem);
} else if (key->kind == Type_Array) {
add_package_dependency(ctx, "runtime", "default_hasher_n");
if (!is_type_simple_compare(key->Array.elem)) {
add_map_key_type_dependencies(ctx, key->Array.elem);
}
} else {
if (!is_type_simple_compare(key)) {
GB_PANIC("HERE");
}
i64 sz = type_size_of(key);
switch (sz) {
case 1: add_package_dependency(ctx, "runtime", "default_hasher1"); break;
case 2: add_package_dependency(ctx, "runtime", "default_hasher2"); break;
case 4: add_package_dependency(ctx, "runtime", "default_hasher4"); break;
case 8: add_package_dependency(ctx, "runtime", "default_hasher8"); break;
case 16: add_package_dependency(ctx, "runtime", "default_hasher16"); break;
}
add_map_key_type_dependencies(ctx, key->Array.elem);
}
}
}
src/ir.cpp
+17 -25
View File
@@ -4969,15 +4969,10 @@ irValue *ir_simple_compare_hash(irProcedure *p, Type *type, irValue *data, irVal
GB_ASSERT_MSG(is_type_simple_compare(type), "%s", type_to_string(type));
i64 sz = type_size_of(type);
char const *name = nullptr;
switch (sz) {
case 1: name = "default_hasher1"; break;
case 2: name = "default_hasher2"; break;
case 4: name = "default_hasher4"; break;
case 8: name = "default_hasher8"; break;
case 16: name = "default_hasher16"; break;
}
if (name != nullptr) {
if (1 <= sz && sz <= 16) {
char name[20] = {};
gb_snprintf(name, 20, "default_hasher%d", cast(i32)sz);
auto args = array_make<irValue *>(permanent_allocator(), 2);
args[0] = data;
args[1] = seed;
@@ -5038,7 +5033,19 @@ irValue *ir_get_hasher_proc_for_type(irModule *m, Type *type) {
return p;
}
if (type->kind == Type_Struct) {
if (is_type_cstring(type)) {
auto args = array_make<irValue *>(permanent_allocator(), 2);
args[0] = data;
args[1] = seed;
irValue *res = ir_emit_runtime_call(proc, "default_hasher_cstring", args);
ir_emit(proc, ir_instr_return(proc, res));
} else if (is_type_string(type)) {
auto args = array_make<irValue *>(permanent_allocator(), 2);
args[0] = data;
args[1] = seed;
irValue *res = ir_emit_runtime_call(proc, "default_hasher_string", args);
ir_emit(proc, ir_instr_return(proc, res));
} else if (type->kind == Type_Struct) {
type_set_offsets(type);
data = ir_emit_conv(proc, data, t_u8_ptr);
@@ -5096,25 +5103,10 @@ irValue *ir_get_hasher_proc_for_type(irModule *m, Type *type) {
irValue *res = ir_emit_load(proc, pres);
ir_emit(proc, ir_instr_return(proc, res));
} else if (is_type_cstring(type)) {
auto args = array_make<irValue *>(permanent_allocator(), 2);
args[0] = data;
args[1] = seed;
irValue *res = ir_emit_runtime_call(proc, "default_hasher_cstring", args);
ir_emit(proc, ir_instr_return(proc, res));
} else if (is_type_string(type)) {
auto args = array_make<irValue *>(permanent_allocator(), 2);
args[0] = data;
args[1] = seed;
irValue *res = ir_emit_runtime_call(proc, "default_hasher_string", args);
ir_emit(proc, ir_instr_return(proc, res));
} else {
GB_PANIC("Unhandled type for hasher: %s", type_to_string(type));
}
ir_end_procedure_body(proc);
return p;
}
src/llvm_backend.cpp
+5 -9
View File
@@ -9253,15 +9253,11 @@ lbValue lb_simple_compare_hash(lbProcedure *p, Type *type, lbValue data, lbValue
GB_ASSERT_MSG(is_type_simple_compare(type), "%s", type_to_string(type));
i64 sz = type_size_of(type);
char const *name = nullptr;
switch (sz) {
case 1: name = "default_hasher1"; break;
case 2: name = "default_hasher2"; break;
case 4: name = "default_hasher4"; break;
case 8: name = "default_hasher8"; break;
case 16: name = "default_hasher16"; break;
}
if (name != nullptr) {
if (1 <= sz && sz <= 16) {
char name[20] = {};
gb_snprintf(name, 20, "default_hasher%d", cast(i32)sz);
auto args = array_make<lbValue>(permanent_allocator(), 2);
args[0] = data;
args[1] = seed;