[JIT] New opcodes: OPCODE_LOAD_OFFSET and OPCODE_STORE_OFFSET

These take full advantage of x86 addressing, and eliminate extra add operations.
This commit is contained in:
DrChat
2018-02-14 16:26:49 -06:00
parent 1de598e4ce
commit e54c24e150
8 changed files with 352 additions and 35 deletions

View File

@@ -1232,6 +1232,25 @@ void HIRBuilder::StoreMmio(cpu::MMIORange* mmio_range, uint32_t address,
i->set_src3(value);
}
Value* HIRBuilder::LoadOffset(Value* address, Value* offset, TypeName type,
uint32_t load_flags) {
ASSERT_ADDRESS_TYPE(address);
Instr* i = AppendInstr(OPCODE_LOAD_OFFSET_info, load_flags, AllocValue(type));
i->set_src1(address);
i->set_src2(offset);
i->src3.value = NULL;
return i->dest;
}
void HIRBuilder::StoreOffset(Value* address, Value* offset, Value* value,
uint32_t store_flags) {
ASSERT_ADDRESS_TYPE(address);
Instr* i = AppendInstr(OPCODE_STORE_OFFSET_info, store_flags);
i->set_src1(address);
i->set_src2(offset);
i->set_src3(value);
}
Value* HIRBuilder::Load(Value* address, TypeName type, uint32_t load_flags) {
ASSERT_ADDRESS_TYPE(address);
Instr* i = AppendInstr(OPCODE_LOAD_info, load_flags, AllocValue(type));

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@@ -147,6 +147,11 @@ class HIRBuilder {
Value* LoadMmio(cpu::MMIORange* mmio_range, uint32_t address, TypeName type);
void StoreMmio(cpu::MMIORange* mmio_range, uint32_t address, Value* value);
Value* LoadOffset(Value* address, Value* offset, TypeName type,
uint32_t load_flags = 0);
void StoreOffset(Value* address, Value* offset, Value* value,
uint32_t store_flags = 0);
Value* Load(Value* address, TypeName type, uint32_t load_flags = 0);
void Store(Value* address, Value* value, uint32_t store_flags = 0);
void Memset(Value* address, Value* value, Value* length);

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@@ -152,6 +152,8 @@ enum Opcode {
OPCODE_CONTEXT_BARRIER,
OPCODE_LOAD_MMIO,
OPCODE_STORE_MMIO,
OPCODE_LOAD_OFFSET,
OPCODE_STORE_OFFSET,
OPCODE_LOAD,
OPCODE_STORE,
OPCODE_MEMSET,

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@@ -231,6 +231,18 @@ DEFINE_OPCODE(
OPCODE_SIG_X_O_O_V,
OPCODE_FLAG_MEMORY)
DEFINE_OPCODE(
OPCODE_LOAD_OFFSET,
"load_offset",
OPCODE_SIG_V_V_V,
OPCODE_FLAG_MEMORY)
DEFINE_OPCODE(
OPCODE_STORE_OFFSET,
"store_offset",
OPCODE_SIG_X_V_V_V,
OPCODE_FLAG_MEMORY)
DEFINE_OPCODE(
OPCODE_LOAD,
"load",