TSX: tiny optimization of transaction functions

Because new memory manager puts them in first 2G.
This commit is contained in:
Nekotekina 2020-11-01 14:28:56 +03:00
parent ca57f25f26
commit fe03b55046
3 changed files with 9 additions and 21 deletions

View file

@ -416,15 +416,13 @@ const auto spu_putllc_tx = build_function_asm<u64(*)(u32 raddr, u64 rtime, void*
// Prepare registers
build_swap_rdx_with(c, args, x86::r12);
c.mov(x86::rbx, imm_ptr(+vm::g_reservations));
c.mov(x86::rax, imm_ptr(&vm::g_sudo_addr));
c.mov(x86::rbp, x86::qword_ptr(x86::rax));
c.mov(x86::rbp, x86::qword_ptr(reinterpret_cast<u64>(&vm::g_sudo_addr)));
c.lea(x86::rbp, x86::qword_ptr(x86::rbp, args[0]));
c.prefetchw(x86::byte_ptr(x86::rbp, 0));
c.prefetchw(x86::byte_ptr(x86::rbp, 64));
c.and_(args[0].r32(), 0xff80);
c.shr(args[0].r32(), 1);
c.lea(x86::rbx, x86::qword_ptr(x86::rbx, args[0]));
c.lea(x86::rbx, x86::qword_ptr(reinterpret_cast<u64>(+vm::g_reservations), args[0]));
c.prefetchw(x86::byte_ptr(x86::rbx));
c.mov(x86::r13, args[1]);
@ -821,15 +819,13 @@ const auto spu_putlluc_tx = build_function_asm<u64(*)(u32 raddr, const void* rda
// Prepare registers
build_swap_rdx_with(c, args, x86::r12);
c.mov(x86::rbx, imm_ptr(+vm::g_reservations));
c.mov(x86::rax, imm_ptr(&vm::g_sudo_addr));
c.mov(x86::rbp, x86::qword_ptr(x86::rax));
c.mov(x86::rbp, x86::qword_ptr(reinterpret_cast<u64>(&vm::g_sudo_addr)));
c.lea(x86::rbp, x86::qword_ptr(x86::rbp, args[0]));
c.prefetchw(x86::byte_ptr(x86::rbp, 0));
c.prefetchw(x86::byte_ptr(x86::rbp, 64));
c.and_(args[0].r32(), 0xff80);
c.shr(args[0].r32(), 1);
c.lea(x86::rbx, x86::qword_ptr(x86::rbx, args[0]));
c.lea(x86::rbx, x86::qword_ptr(reinterpret_cast<u64>(+vm::g_reservations), args[0]));
c.prefetchw(x86::byte_ptr(x86::rbx));
c.mov(x86::r13, args[1]);
@ -1034,13 +1030,11 @@ const extern auto spu_getllar_tx = build_function_asm<u64(*)(u32 raddr, void* rd
// Prepare registers
build_swap_rdx_with(c, args, x86::r12);
c.mov(x86::rbx, imm_ptr(+vm::g_reservations));
c.mov(x86::rax, imm_ptr(&vm::g_sudo_addr));
c.mov(x86::rbp, x86::qword_ptr(x86::rax));
c.mov(x86::rbp, x86::qword_ptr(reinterpret_cast<u64>(&vm::g_sudo_addr)));
c.lea(x86::rbp, x86::qword_ptr(x86::rbp, args[0]));
c.and_(args[0].r32(), 0xff80);
c.shr(args[0].r32(), 1);
c.lea(x86::rbx, x86::qword_ptr(x86::rbx, args[0]));
c.lea(x86::rbx, x86::qword_ptr(reinterpret_cast<u64>(+vm::g_reservations), args[0]));
c.mov(x86::r13, args[1]);
// Alloc args[0] to stamp0