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SPU LLVM: Optimize LQR/STQR 

- Avoid type mismatch between adds that prevented llvm from combining the operations
This commit is contained in:
Malcolm Jestadt 2022-06-02 21:37:40 -04:00 committed by Ivan
parent 167161d8ce
commit 0e5514003a
1 changed files with 7 additions and 2 deletions
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9
rpcs3/Emu/Cell/SPURecompiler.cpp
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@ -9011,10 +9011,15 @@ public:
set_vr(op.rt, make_load_ls(addr)); set_vr(op.rt, make_load_ls(addr));
} }
llvm::Value* get_pc_as_u64(u32 addr)
{
return m_ir->CreateAdd(m_ir->CreateZExt(m_base_pc, get_type<u64>()), m_ir->getInt64(addr - m_base));
}
void STQR(spu_opcode_t op) // void STQR(spu_opcode_t op) //
{ {
value_t<u64> addr; value_t<u64> addr;
addr.value = m_ir->CreateZExt(m_interp_magn ? m_interp_pc : get_pc(m_pos), get_type<u64>()); addr.value = m_interp_magn ? m_ir->CreateZExt(m_interp_pc, get_type<u64>()) : get_pc_as_u64(m_pos);
addr = eval(((get_imm<u64>(op.i16, false) << 2) + addr) & (m_interp_magn ? 0x3fff0 : ~0xf)); addr = eval(((get_imm<u64>(op.i16, false) << 2) + addr) & (m_interp_magn ? 0x3fff0 : ~0xf));
make_store_ls(addr, get_vr<u8[16]>(op.rt)); make_store_ls(addr, get_vr<u8[16]>(op.rt));
} }
@ -9022,7 +9027,7 @@ public:
void LQR(spu_opcode_t op) // void LQR(spu_opcode_t op) //
{ {
value_t<u64> addr; value_t<u64> addr;
addr.value = m_ir->CreateZExt(m_interp_magn ? m_interp_pc : get_pc(m_pos), get_type<u64>()); addr.value = m_interp_magn ? m_ir->CreateZExt(m_interp_pc, get_type<u64>()) : get_pc_as_u64(m_pos);
addr = eval(((get_imm<u64>(op.i16, false) << 2) + addr) & (m_interp_magn ? 0x3fff0 : ~0xf)); addr = eval(((get_imm<u64>(op.i16, false) << 2) + addr) & (m_interp_magn ? 0x3fff0 : ~0xf));
set_vr(op.rt, make_load_ls(addr)); set_vr(op.rt, make_load_ls(addr));
} }