mirror of
https://github.com/yuzu-mirror/yuzu.git
synced 2024-09-07 23:59:08 +01:00
macro_jit_x64: Select better registers
All registers are now callee-save registers. RBX and RBP selected for STATE and RESULT because these are most commonly accessed; this is to avoid the REX prefix. RBP not used for STATE because there are some SIB restrictions, RBX emits smaller code.
This commit is contained in:
parent
79aa7b3ace
commit
c09a9e5cc7
1 changed files with 8 additions and 8 deletions
|
@ -14,18 +14,18 @@ MICROPROFILE_DEFINE(MacroJitCompile, "GPU", "Compile macro JIT", MP_RGB(173, 255
|
|||
MICROPROFILE_DEFINE(MacroJitExecute, "GPU", "Execute macro JIT", MP_RGB(255, 255, 0));
|
||||
|
||||
namespace Tegra {
|
||||
static const Xbyak::Reg64 PARAMETERS = Xbyak::util::r9;
|
||||
static const Xbyak::Reg64 STATE = Xbyak::util::r11;
|
||||
static const Xbyak::Reg64 NEXT_PARAMETER = Xbyak::util::r12;
|
||||
static const Xbyak::Reg32 RESULT = Xbyak::util::r13d;
|
||||
static const Xbyak::Reg64 STATE = Xbyak::util::rbx;
|
||||
static const Xbyak::Reg32 RESULT = Xbyak::util::ebp;
|
||||
static const Xbyak::Reg64 PARAMETERS = Xbyak::util::r12;
|
||||
static const Xbyak::Reg64 NEXT_PARAMETER = Xbyak::util::r13;
|
||||
static const Xbyak::Reg32 METHOD_ADDRESS = Xbyak::util::r14d;
|
||||
static const Xbyak::Reg64 BRANCH_HOLDER = Xbyak::util::r15;
|
||||
|
||||
static const std::bitset<32> PERSISTENT_REGISTERS = Common::X64::BuildRegSet({
|
||||
PARAMETERS,
|
||||
STATE,
|
||||
NEXT_PARAMETER,
|
||||
RESULT,
|
||||
PARAMETERS,
|
||||
NEXT_PARAMETER,
|
||||
METHOD_ADDRESS,
|
||||
BRANCH_HOLDER,
|
||||
});
|
||||
|
@ -64,13 +64,13 @@ void MacroJITx64Impl::Compile_ALU(Macro::Opcode opcode) {
|
|||
|
||||
if (!optimizer.zero_reg_skip) {
|
||||
src_a = Compile_GetRegister(opcode.src_a, RESULT);
|
||||
src_b = Compile_GetRegister(opcode.src_b, ebx);
|
||||
src_b = Compile_GetRegister(opcode.src_b, eax);
|
||||
} else {
|
||||
if (!is_a_zero) {
|
||||
src_a = Compile_GetRegister(opcode.src_a, RESULT);
|
||||
}
|
||||
if (!is_b_zero) {
|
||||
src_b = Compile_GetRegister(opcode.src_b, ebx);
|
||||
src_b = Compile_GetRegister(opcode.src_b, eax);
|
||||
}
|
||||
}
|
||||
Xbyak::Label skip_carry{};
|
||||
|
|
Loading…
Reference in a new issue