X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=deps%2Flightrec%2Femitter.c;h=3af04326169ec3321597d3ba0bbb6589943145fc;hb=a5d30afeabe63d826d8fc1dc86aedf72cf03b457;hp=99f6756dd2fb77a30eab4dcf262052058f6a80fa;hpb=98fa08a56df29aeed65dfbc7697603c90bc66144;p=pcsx_rearmed.git diff --git a/deps/lightrec/emitter.c b/deps/lightrec/emitter.c index 99f6756d..3af04326 100644 --- a/deps/lightrec/emitter.c +++ b/deps/lightrec/emitter.c @@ -35,10 +35,11 @@ static void lightrec_emit_end_of_block(struct lightrec_cstate *state, u32 link, bool update_cycles) { struct regcache *reg_cache = state->reg_cache; - u32 cycles = state->cycles; jit_state_t *_jit = block->_jit; const struct opcode *op = &block->opcode_list[offset], *next = &block->opcode_list[offset + 1]; + u32 cycles = state->cycles + lightrec_cycles_of_opcode(op->c); + u16 offset_after_eob; jit_note(__FILE__, __LINE__); @@ -57,7 +58,7 @@ static void lightrec_emit_end_of_block(struct lightrec_cstate *state, } if (has_delay_slot(op->c) && - !(op->flags & (LIGHTREC_NO_DS | LIGHTREC_LOCAL_BRANCH))) { + !op_flag_no_ds(op->flags) && !op_flag_local_branch(op->flags)) { cycles += lightrec_cycles_of_opcode(next->c); /* Recompile the delay slot */ @@ -65,8 +66,8 @@ static void lightrec_emit_end_of_block(struct lightrec_cstate *state, lightrec_rec_opcode(state, block, offset + 1); } - /* Store back remaining registers */ - lightrec_storeback_regs(reg_cache, _jit); + /* Clean the remaining registers */ + lightrec_clean_regs(reg_cache, _jit); jit_movr(JIT_V0, reg_new_pc); @@ -75,8 +76,11 @@ static void lightrec_emit_end_of_block(struct lightrec_cstate *state, pr_debug("EOB: %u cycles\n", cycles); } - if (offset + !!(op->flags & LIGHTREC_NO_DS) < block->nb_ops - 1) - state->branches[state->nb_branches++] = jit_jmpi(); + offset_after_eob = offset + 1 + + (has_delay_slot(op->c) && !op_flag_no_ds(op->flags)); + + if (offset_after_eob < block->nb_ops) + state->branches[state->nb_branches++] = jit_b(); } void lightrec_emit_eob(struct lightrec_cstate *state, const struct block *block, @@ -87,38 +91,25 @@ void lightrec_emit_eob(struct lightrec_cstate *state, const struct block *block, union code c = block->opcode_list[offset].c; u32 cycles = state->cycles; - if (!after_op) - cycles -= lightrec_cycles_of_opcode(c); + if (after_op) + cycles += lightrec_cycles_of_opcode(c); - lightrec_storeback_regs(reg_cache, _jit); + lightrec_clean_regs(reg_cache, _jit); jit_movi(JIT_V0, block->pc + (offset << 2)); jit_subi(LIGHTREC_REG_CYCLE, LIGHTREC_REG_CYCLE, cycles); - state->branches[state->nb_branches++] = jit_jmpi(); + state->branches[state->nb_branches++] = jit_b(); } static u8 get_jr_jalr_reg(struct lightrec_cstate *state, const struct block *block, u16 offset) { struct regcache *reg_cache = state->reg_cache; jit_state_t *_jit = block->_jit; - const struct opcode *op = &block->opcode_list[offset], - *next = &block->opcode_list[offset + 1]; - u8 rs = lightrec_request_reg_in(reg_cache, _jit, op->r.rs, JIT_V0); - - /* If the source register is already mapped to JIT_R0 or JIT_R1, and the - * delay slot is a I/O operation, unload the register, since JIT_R0 and - * JIT_R1 are explicitely used by the I/O opcode generators. */ - if ((rs == JIT_R0 || rs == JIT_R1) && - !(op->flags & LIGHTREC_NO_DS) && - opcode_is_io(next->c) && - !(next->flags & (LIGHTREC_NO_INVALIDATE | LIGHTREC_DIRECT_IO))) { - lightrec_unload_reg(reg_cache, _jit, rs); - lightrec_free_reg(reg_cache, rs); - - rs = lightrec_request_reg_in(reg_cache, _jit, op->r.rs, JIT_V0); - } + const struct opcode *op = &block->opcode_list[offset]; + u8 rs; + rs = lightrec_request_reg_in(reg_cache, _jit, op->r.rs, JIT_V0); lightrec_lock_reg(reg_cache, _jit, rs); return rs; @@ -162,6 +153,43 @@ static void rec_JAL(struct lightrec_cstate *state, const struct block *block, u1 31, get_branch_pc(block, offset, 2), true); } +static void lightrec_do_early_unload(struct lightrec_cstate *state, + const struct block *block, u16 offset) +{ + struct regcache *reg_cache = state->reg_cache; + const struct opcode *op = &block->opcode_list[offset]; + jit_state_t *_jit = block->_jit; + unsigned int i; + u8 reg; + struct { + u8 reg, op; + } reg_ops[3] = { + { op->r.rd, LIGHTREC_FLAGS_GET_RD(op->flags), }, + { op->i.rt, LIGHTREC_FLAGS_GET_RT(op->flags), }, + { op->i.rs, LIGHTREC_FLAGS_GET_RS(op->flags), }, + }; + + for (i = 0; i < ARRAY_SIZE(reg_ops); i++) { + reg = reg_ops[i].reg; + + switch (reg_ops[i].op) { + case LIGHTREC_REG_UNLOAD: + lightrec_clean_reg_if_loaded(reg_cache, _jit, reg, true); + break; + + case LIGHTREC_REG_DISCARD: + lightrec_discard_reg_if_loaded(reg_cache, reg); + break; + + case LIGHTREC_REG_CLEAN: + lightrec_clean_reg_if_loaded(reg_cache, _jit, reg, false); + break; + default: + break; + }; + } +} + static void rec_b(struct lightrec_cstate *state, const struct block *block, u16 offset, jit_code_t code, u32 link, bool unconditional, bool bz) { @@ -172,26 +200,33 @@ static void rec_b(struct lightrec_cstate *state, const struct block *block, u16 const struct opcode *op = &block->opcode_list[offset], *next = &block->opcode_list[offset + 1]; jit_node_t *addr; - u8 link_reg; - u32 target_offset, cycles = state->cycles; + u8 link_reg, rs, rt; bool is_forward = (s16)op->i.imm >= -1; + int op_cycles = lightrec_cycles_of_opcode(op->c); + u32 target_offset, cycles = state->cycles + op_cycles; u32 next_pc; jit_note(__FILE__, __LINE__); - if (!(op->flags & LIGHTREC_NO_DS)) + if (!op_flag_no_ds(op->flags)) cycles += lightrec_cycles_of_opcode(next->c); - state->cycles = 0; + state->cycles = -op_cycles; + + if (!unconditional) { + rs = lightrec_alloc_reg_in(reg_cache, _jit, op->i.rs, REG_EXT); + rt = bz ? 0 : lightrec_alloc_reg_in(reg_cache, + _jit, op->i.rt, REG_EXT); + + /* Unload dead registers before evaluating the branch */ + if (OPT_EARLY_UNLOAD) + lightrec_do_early_unload(state, block, offset); + } if (cycles) jit_subi(LIGHTREC_REG_CYCLE, LIGHTREC_REG_CYCLE, cycles); if (!unconditional) { - u8 rs = lightrec_alloc_reg_in(reg_cache, _jit, op->i.rs, REG_EXT), - rt = bz ? 0 : lightrec_alloc_reg_in(reg_cache, - _jit, op->i.rt, REG_EXT); - /* Generate the branch opcode */ addr = jit_new_node_pww(code, NULL, rs, rt); @@ -199,12 +234,10 @@ static void rec_b(struct lightrec_cstate *state, const struct block *block, u16 regs_backup = lightrec_regcache_enter_branch(reg_cache); } - if (op->flags & LIGHTREC_LOCAL_BRANCH) { - if (next && !(op->flags & LIGHTREC_NO_DS)) { - /* Recompile the delay slot */ - if (next->opcode) - lightrec_rec_opcode(state, block, offset + 1); - } + if (op_flag_local_branch(op->flags)) { + /* Recompile the delay slot */ + if (next && next->opcode && !op_flag_no_ds(op->flags)) + lightrec_rec_opcode(state, block, offset + 1); if (link) { /* Update the $ra register */ @@ -213,11 +246,11 @@ static void rec_b(struct lightrec_cstate *state, const struct block *block, u16 lightrec_free_reg(reg_cache, link_reg); } - /* Store back remaining registers */ - lightrec_storeback_regs(reg_cache, _jit); + /* Clean remaining registers */ + lightrec_clean_regs(reg_cache, _jit); target_offset = offset + 1 + (s16)op->i.imm - - !!(OPT_SWITCH_DELAY_SLOTS && (op->flags & LIGHTREC_NO_DS)); + - !!op_flag_no_ds(op->flags); pr_debug("Adding local branch to offset 0x%x\n", target_offset << 2); branch = &state->local_branches[ @@ -225,12 +258,12 @@ static void rec_b(struct lightrec_cstate *state, const struct block *block, u16 branch->target = target_offset; if (is_forward) - branch->branch = jit_jmpi(); + branch->branch = jit_b(); else branch->branch = jit_bgti(LIGHTREC_REG_CYCLE, 0); } - if (!(op->flags & LIGHTREC_LOCAL_BRANCH) || !is_forward) { + if (!op_flag_local_branch(op->flags) || !is_forward) { next_pc = get_branch_pc(block, offset, 1 + (s16)op->i.imm); lightrec_emit_end_of_block(state, block, offset, -1, next_pc, 31, link, false); @@ -248,7 +281,7 @@ static void rec_b(struct lightrec_cstate *state, const struct block *block, u16 lightrec_free_reg(reg_cache, link_reg); } - if (!(op->flags & LIGHTREC_NO_DS) && next->opcode) + if (!op_flag_no_ds(op->flags) && next->opcode) lightrec_rec_opcode(state, block, offset + 1); } } @@ -405,11 +438,34 @@ static void rec_alu_shiftv(struct lightrec_cstate *state, const struct block *bl lightrec_free_reg(reg_cache, rd); } +static void rec_movi(struct lightrec_cstate *state, + const struct block *block, u16 offset) +{ + struct regcache *reg_cache = state->reg_cache; + union code c = block->opcode_list[offset].c; + jit_state_t *_jit = block->_jit; + u16 flags = REG_EXT; + u8 rt; + + if (!(c.i.imm & 0x8000)) + flags |= REG_ZEXT; + + rt = lightrec_alloc_reg_out(reg_cache, _jit, c.i.rt, flags); + + jit_movi(rt, (s32)(s16) c.i.imm); + + lightrec_free_reg(reg_cache, rt); +} + static void rec_ADDIU(struct lightrec_cstate *state, const struct block *block, u16 offset) { _jit_name(block->_jit, __func__); - rec_alu_imm(state, block, offset, jit_code_addi, false); + + if (block->opcode_list[offset].c.i.rs) + rec_alu_imm(state, block, offset, jit_code_addi, false); + else + rec_movi(state, block, offset); } static void rec_ADDI(struct lightrec_cstate *state, @@ -417,7 +473,7 @@ static void rec_ADDI(struct lightrec_cstate *state, { /* TODO: Handle the exception? */ _jit_name(block->_jit, __func__); - rec_alu_imm(state, block, offset, jit_code_addi, false); + rec_ADDIU(state, block, offset); } static void rec_SLTIU(struct lightrec_cstate *state, @@ -759,7 +815,7 @@ static void rec_alu_mult(struct lightrec_cstate *state, { struct regcache *reg_cache = state->reg_cache; union code c = block->opcode_list[offset].c; - u16 flags = block->opcode_list[offset].flags; + u32 flags = block->opcode_list[offset].flags; u8 reg_lo = get_mult_div_lo(c); u8 reg_hi = get_mult_div_hi(c); jit_state_t *_jit = block->_jit; @@ -775,18 +831,18 @@ static void rec_alu_mult(struct lightrec_cstate *state, rs = lightrec_alloc_reg_in(reg_cache, _jit, c.r.rs, rflags); rt = lightrec_alloc_reg_in(reg_cache, _jit, c.r.rt, rflags); - if (!(flags & LIGHTREC_NO_LO)) + if (!op_flag_no_lo(flags)) lo = lightrec_alloc_reg_out(reg_cache, _jit, reg_lo, 0); else if (__WORDSIZE == 32) lo = lightrec_alloc_reg_temp(reg_cache, _jit); - if (!(flags & LIGHTREC_NO_HI)) + if (!op_flag_no_hi(flags)) hi = lightrec_alloc_reg_out(reg_cache, _jit, reg_hi, REG_EXT); if (__WORDSIZE == 32) { /* On 32-bit systems, do a 32*32->64 bit operation, or a 32*32->32 bit * operation if the MULT was detected a 32-bit only. */ - if (!(flags & LIGHTREC_NO_HI)) { + if (!op_flag_no_hi(flags)) { if (is_signed) jit_qmulr(lo, hi, rs, rt); else @@ -796,23 +852,23 @@ static void rec_alu_mult(struct lightrec_cstate *state, } } else { /* On 64-bit systems, do a 64*64->64 bit operation. */ - if (flags & LIGHTREC_NO_LO) { + if (op_flag_no_lo(flags)) { jit_mulr(hi, rs, rt); jit_rshi(hi, hi, 32); } else { jit_mulr(lo, rs, rt); /* The 64-bit output value is in $lo, store the upper 32 bits in $hi */ - if (!(flags & LIGHTREC_NO_HI)) + if (!op_flag_no_hi(flags)) jit_rshi(hi, lo, 32); } } lightrec_free_reg(reg_cache, rs); lightrec_free_reg(reg_cache, rt); - if (!(flags & LIGHTREC_NO_LO) || __WORDSIZE == 32) + if (!op_flag_no_lo(flags) || __WORDSIZE == 32) lightrec_free_reg(reg_cache, lo); - if (!(flags & LIGHTREC_NO_HI)) + if (!op_flag_no_hi(flags)) lightrec_free_reg(reg_cache, hi); } @@ -821,13 +877,13 @@ static void rec_alu_div(struct lightrec_cstate *state, { struct regcache *reg_cache = state->reg_cache; union code c = block->opcode_list[offset].c; - u16 flags = block->opcode_list[offset].flags; - bool no_check = flags & LIGHTREC_NO_DIV_CHECK; + u32 flags = block->opcode_list[offset].flags; + bool no_check = op_flag_no_div_check(flags); u8 reg_lo = get_mult_div_lo(c); u8 reg_hi = get_mult_div_hi(c); jit_state_t *_jit = block->_jit; jit_node_t *branch, *to_end; - u8 lo, hi, rs, rt, rflags = 0; + u8 lo = 0, hi = 0, rs, rt, rflags = 0; jit_note(__FILE__, __LINE__); @@ -839,22 +895,22 @@ static void rec_alu_div(struct lightrec_cstate *state, rs = lightrec_alloc_reg_in(reg_cache, _jit, c.r.rs, rflags); rt = lightrec_alloc_reg_in(reg_cache, _jit, c.r.rt, rflags); - if (!(flags & LIGHTREC_NO_LO)) + if (!op_flag_no_lo(flags)) lo = lightrec_alloc_reg_out(reg_cache, _jit, reg_lo, 0); - if (!(flags & LIGHTREC_NO_HI)) + if (!op_flag_no_hi(flags)) hi = lightrec_alloc_reg_out(reg_cache, _jit, reg_hi, 0); /* Jump to special handler if dividing by zero */ if (!no_check) branch = jit_beqi(rt, 0); - if (flags & LIGHTREC_NO_LO) { + if (op_flag_no_lo(flags)) { if (is_signed) jit_remr(hi, rs, rt); else jit_remr_u(hi, rs, rt); - } else if (flags & LIGHTREC_NO_HI) { + } else if (op_flag_no_hi(flags)) { if (is_signed) jit_divr(lo, rs, rt); else @@ -867,14 +923,12 @@ static void rec_alu_div(struct lightrec_cstate *state, } if (!no_check) { - lightrec_regcache_mark_live(reg_cache, _jit); - /* Jump above the div-by-zero handler */ - to_end = jit_jmpi(); + to_end = jit_b(); jit_patch(branch); - if (!(flags & LIGHTREC_NO_LO)) { + if (!op_flag_no_lo(flags)) { if (is_signed) { jit_lti(lo, rs, 0); jit_lshi(lo, lo, 1); @@ -884,7 +938,7 @@ static void rec_alu_div(struct lightrec_cstate *state, } } - if (!(flags & LIGHTREC_NO_HI)) + if (!op_flag_no_hi(flags)) jit_movr(hi, rs); jit_patch(to_end); @@ -893,10 +947,10 @@ static void rec_alu_div(struct lightrec_cstate *state, lightrec_free_reg(reg_cache, rs); lightrec_free_reg(reg_cache, rt); - if (!(flags & LIGHTREC_NO_LO)) + if (!op_flag_no_lo(flags)) lightrec_free_reg(reg_cache, lo); - if (!(flags & LIGHTREC_NO_HI)) + if (!op_flag_no_hi(flags)) lightrec_free_reg(reg_cache, hi); } @@ -985,26 +1039,21 @@ static void call_to_c_wrapper(struct lightrec_cstate *state, const struct block { struct regcache *reg_cache = state->reg_cache; jit_state_t *_jit = block->_jit; - u8 tmp, tmp2, tmp3; + u8 tmp; - if (with_arg) - tmp3 = lightrec_alloc_reg(reg_cache, _jit, JIT_R1); - tmp2 = lightrec_alloc_reg(reg_cache, _jit, JIT_R0); tmp = lightrec_alloc_reg_temp(reg_cache, _jit); - jit_ldxi(tmp, LIGHTREC_REG_STATE, - offsetof(struct lightrec_state, c_wrapper)); - jit_ldxi(tmp2, LIGHTREC_REG_STATE, - offsetof(struct lightrec_state, c_wrappers[wrapper])); - if (with_arg) - jit_movi(tmp3, arg); + offsetof(struct lightrec_state, wrappers_eps[wrapper])); + if (with_arg) { + jit_prepare(); + jit_pushargi(arg); + } + + lightrec_regcache_mark_live(reg_cache, _jit); jit_callr(tmp); lightrec_free_reg(reg_cache, tmp); - lightrec_free_reg(reg_cache, tmp2); - if (with_arg) - lightrec_free_reg(reg_cache, tmp3); lightrec_regcache_mark_live(reg_cache, _jit); } @@ -1015,8 +1064,8 @@ static void rec_io(struct lightrec_cstate *state, struct regcache *reg_cache = state->reg_cache; jit_state_t *_jit = block->_jit; union code c = block->opcode_list[offset].c; - u16 flags = block->opcode_list[offset].flags; - bool is_tagged = flags & (LIGHTREC_HW_IO | LIGHTREC_DIRECT_IO); + u32 flags = block->opcode_list[offset].flags; + bool is_tagged = LIGHTREC_FLAGS_GET_IO_MODE(flags); u32 lut_entry; jit_note(__FILE__, __LINE__); @@ -1037,9 +1086,141 @@ static void rec_io(struct lightrec_cstate *state, } } +static u32 rec_ram_mask(struct lightrec_state *state) +{ + return (RAM_SIZE << (state->mirrors_mapped * 2)) - 1; +} + +static void rec_store_memory(struct lightrec_cstate *cstate, + const struct block *block, + u16 offset, jit_code_t code, + jit_code_t swap_code, + uintptr_t addr_offset, u32 addr_mask, + bool invalidate) +{ + const struct lightrec_state *state = cstate->state; + struct regcache *reg_cache = cstate->reg_cache; + struct opcode *op = &block->opcode_list[offset]; + jit_state_t *_jit = block->_jit; + union code c = op->c; + u8 rs, rt, tmp, tmp2, tmp3, addr_reg, addr_reg2; + s16 imm = (s16)c.i.imm; + s32 simm = (s32)imm << (1 - lut_is_32bit(state)); + s32 lut_offt = offsetof(struct lightrec_state, code_lut); + bool no_mask = op_flag_no_mask(op->flags); + bool add_imm = c.i.imm && + ((!state->mirrors_mapped && !no_mask) || (invalidate && + ((imm & 0x3) || simm + lut_offt != (s16)(simm + lut_offt)))); + bool need_tmp = !no_mask || addr_offset || add_imm; + bool need_tmp2 = addr_offset || invalidate; + + rt = lightrec_alloc_reg_in(reg_cache, _jit, c.i.rt, 0); + rs = lightrec_alloc_reg_in(reg_cache, _jit, c.i.rs, 0); + if (need_tmp) + tmp = lightrec_alloc_reg_temp(reg_cache, _jit); + + addr_reg = rs; + + if (add_imm) { + jit_addi(tmp, addr_reg, (s16)c.i.imm); + addr_reg = tmp; + imm = 0; + } else if (simm) { + lut_offt += simm; + } + + if (!no_mask) { + jit_andi(tmp, addr_reg, addr_mask); + addr_reg = tmp; + } + + if (need_tmp2) + tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit); + + if (addr_offset) { + jit_addi(tmp2, addr_reg, addr_offset); + addr_reg2 = tmp2; + } else { + addr_reg2 = addr_reg; + } + + if (is_big_endian() && swap_code && c.i.rt) { + tmp3 = lightrec_alloc_reg_temp(reg_cache, _jit); + + jit_new_node_ww(swap_code, tmp3, rt); + jit_new_node_www(code, imm, addr_reg2, tmp3); + + lightrec_free_reg(reg_cache, tmp3); + } else { + jit_new_node_www(code, imm, addr_reg2, rt); + } + + lightrec_free_reg(reg_cache, rt); + + if (invalidate) { + tmp3 = lightrec_alloc_reg_in(reg_cache, _jit, 0, 0); + + if (c.i.op != OP_SW) { + jit_andi(tmp2, addr_reg, ~3); + addr_reg = tmp2; + } + + if (!lut_is_32bit(state)) { + jit_lshi(tmp2, addr_reg, 1); + addr_reg = tmp2; + } + + if (addr_reg == rs && c.i.rs == 0) { + addr_reg = LIGHTREC_REG_STATE; + } else { + jit_addr(tmp2, addr_reg, LIGHTREC_REG_STATE); + addr_reg = tmp2; + } + + if (lut_is_32bit(state)) + jit_stxi_i(lut_offt, addr_reg, tmp3); + else + jit_stxi(lut_offt, addr_reg, tmp3); + + lightrec_free_reg(reg_cache, tmp3); + } + + if (need_tmp2) + lightrec_free_reg(reg_cache, tmp2); + if (need_tmp) + lightrec_free_reg(reg_cache, tmp); + lightrec_free_reg(reg_cache, rs); +} + +static void rec_store_ram(struct lightrec_cstate *cstate, + const struct block *block, + u16 offset, jit_code_t code, + jit_code_t swap_code, bool invalidate) +{ + struct lightrec_state *state = cstate->state; + + _jit_note(block->_jit, __FILE__, __LINE__); + + return rec_store_memory(cstate, block, offset, code, swap_code, + state->offset_ram, rec_ram_mask(state), + invalidate); +} + +static void rec_store_scratch(struct lightrec_cstate *cstate, + const struct block *block, u16 offset, + jit_code_t code, jit_code_t swap_code) +{ + _jit_note(block->_jit, __FILE__, __LINE__); + + return rec_store_memory(cstate, block, offset, code, swap_code, + cstate->state->offset_scratch, + 0x1fffffff, false); +} + static void rec_store_direct_no_invalidate(struct lightrec_cstate *cstate, const struct block *block, - u16 offset, jit_code_t code) + u16 offset, jit_code_t code, + jit_code_t swap_code) { struct lightrec_state *state = cstate->state; struct regcache *reg_cache = cstate->reg_cache; @@ -1051,6 +1232,7 @@ static void rec_store_direct_no_invalidate(struct lightrec_cstate *cstate, jit_note(__FILE__, __LINE__); rs = lightrec_alloc_reg_in(reg_cache, _jit, c.i.rs, 0); + rt = lightrec_alloc_reg_in(reg_cache, _jit, c.i.rt, 0); tmp = lightrec_alloc_reg_temp(reg_cache, _jit); if (state->offset_ram || state->offset_scratch) @@ -1074,11 +1256,9 @@ static void rec_store_direct_no_invalidate(struct lightrec_cstate *cstate, if (state->offset_ram != state->offset_scratch) { to_not_ram = jit_bmsi(tmp, BIT(28)); - lightrec_regcache_mark_live(reg_cache, _jit); - jit_movi(tmp2, state->offset_ram); - to_end = jit_jmpi(); + to_end = jit_b(); jit_patch(to_not_ram); jit_movi(tmp2, state->offset_scratch); @@ -1092,15 +1272,23 @@ static void rec_store_direct_no_invalidate(struct lightrec_cstate *cstate, lightrec_free_reg(reg_cache, tmp2); } - rt = lightrec_alloc_reg_in(reg_cache, _jit, c.i.rt, 0); - jit_new_node_www(code, imm, tmp, rt); + if (is_big_endian() && swap_code && c.i.rt) { + tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit); + + jit_new_node_ww(swap_code, tmp2, rt); + jit_new_node_www(code, imm, tmp, tmp2); + + lightrec_free_reg(reg_cache, tmp2); + } else { + jit_new_node_www(code, imm, tmp, rt); + } lightrec_free_reg(reg_cache, rt); lightrec_free_reg(reg_cache, tmp); } static void rec_store_direct(struct lightrec_cstate *cstate, const struct block *block, - u16 offset, jit_code_t code) + u16 offset, jit_code_t code, jit_code_t swap_code) { struct lightrec_state *state = cstate->state; u32 ram_size = state->mirrors_mapped ? RAM_SIZE * 4 : RAM_SIZE; @@ -1129,21 +1317,22 @@ static void rec_store_direct(struct lightrec_cstate *cstate, const struct block to_not_ram = jit_bgti(tmp2, ram_size); - lightrec_regcache_mark_live(reg_cache, _jit); - /* Compute the offset to the code LUT */ jit_andi(tmp, tmp2, (RAM_SIZE - 1) & ~3); - if (__WORDSIZE == 64) + if (!lut_is_32bit(state)) jit_lshi(tmp, tmp, 1); jit_addr(tmp, LIGHTREC_REG_STATE, tmp); /* Write NULL to the code LUT to invalidate any block that's there */ - jit_stxi(offsetof(struct lightrec_state, code_lut), tmp, tmp3); + if (lut_is_32bit(state)) + jit_stxi_i(offsetof(struct lightrec_state, code_lut), tmp, tmp3); + else + jit_stxi(offsetof(struct lightrec_state, code_lut), tmp, tmp3); if (state->offset_ram != state->offset_scratch) { jit_movi(tmp, state->offset_ram); - to_end = jit_jmpi(); + to_end = jit_b(); } jit_patch(to_not_ram); @@ -1161,26 +1350,49 @@ static void rec_store_direct(struct lightrec_cstate *cstate, const struct block lightrec_free_reg(reg_cache, tmp3); rt = lightrec_alloc_reg_in(reg_cache, _jit, c.i.rt, 0); - jit_new_node_www(code, 0, tmp2, rt); + + if (is_big_endian() && swap_code && c.i.rt) { + tmp = lightrec_alloc_reg_temp(reg_cache, _jit); + + jit_new_node_ww(swap_code, tmp, rt); + jit_new_node_www(code, 0, tmp2, tmp); + + lightrec_free_reg(reg_cache, tmp); + } else { + jit_new_node_www(code, 0, tmp2, rt); + } lightrec_free_reg(reg_cache, rt); lightrec_free_reg(reg_cache, tmp2); } static void rec_store(struct lightrec_cstate *state, - const struct block *block, u16 offset, jit_code_t code) + const struct block *block, u16 offset, + jit_code_t code, jit_code_t swap_code) { - u16 flags = block->opcode_list[offset].flags; + u32 flags = block->opcode_list[offset].flags; + bool no_invalidate = op_flag_no_invalidate(flags) || + state->state->invalidate_from_dma_only; - if (flags & LIGHTREC_NO_INVALIDATE) { - rec_store_direct_no_invalidate(state, block, offset, code); - } else if (flags & LIGHTREC_DIRECT_IO) { - if (state->state->invalidate_from_dma_only) - rec_store_direct_no_invalidate(state, block, offset, code); - else - rec_store_direct(state, block, offset, code); - } else { + switch (LIGHTREC_FLAGS_GET_IO_MODE(flags)) { + case LIGHTREC_IO_RAM: + rec_store_ram(state, block, offset, code, + swap_code, !no_invalidate); + break; + case LIGHTREC_IO_SCRATCH: + rec_store_scratch(state, block, offset, code, swap_code); + break; + case LIGHTREC_IO_DIRECT: + if (no_invalidate) { + rec_store_direct_no_invalidate(state, block, offset, + code, swap_code); + } else { + rec_store_direct(state, block, offset, code, swap_code); + } + break; + default: rec_io(state, block, offset, true, false); + break; } } @@ -1188,14 +1400,15 @@ static void rec_SB(struct lightrec_cstate *state, const struct block *block, u16 offset) { _jit_name(block->_jit, __func__); - rec_store(state, block, offset, jit_code_stxi_c); + rec_store(state, block, offset, jit_code_stxi_c, 0); } static void rec_SH(struct lightrec_cstate *state, const struct block *block, u16 offset) { _jit_name(block->_jit, __func__); - rec_store(state, block, offset, jit_code_stxi_s); + rec_store(state, block, offset, + jit_code_stxi_s, jit_code_bswapr_us); } static void rec_SW(struct lightrec_cstate *state, @@ -1203,7 +1416,8 @@ static void rec_SW(struct lightrec_cstate *state, { _jit_name(block->_jit, __func__); - rec_store(state, block, offset, jit_code_stxi_i); + rec_store(state, block, offset, + jit_code_stxi_i, jit_code_bswapr_ui); } static void rec_SWL(struct lightrec_cstate *state, @@ -1227,8 +1441,96 @@ static void rec_SWC2(struct lightrec_cstate *state, rec_io(state, block, offset, false, false); } -static void rec_load_direct(struct lightrec_cstate *cstate, const struct block *block, - u16 offset, jit_code_t code, bool is_unsigned) +static void rec_load_memory(struct lightrec_cstate *cstate, + const struct block *block, u16 offset, + jit_code_t code, jit_code_t swap_code, bool is_unsigned, + uintptr_t addr_offset, u32 addr_mask) +{ + struct regcache *reg_cache = cstate->reg_cache; + struct opcode *op = &block->opcode_list[offset]; + jit_state_t *_jit = block->_jit; + u8 rs, rt, addr_reg, flags = REG_EXT; + bool no_mask = op_flag_no_mask(op->flags); + union code c = op->c; + s16 imm; + + if (!c.i.rt) + return; + + if (is_unsigned) + flags |= REG_ZEXT; + + rs = lightrec_alloc_reg_in(reg_cache, _jit, c.i.rs, 0); + rt = lightrec_alloc_reg_out(reg_cache, _jit, c.i.rt, flags); + + if (!cstate->state->mirrors_mapped && c.i.imm && !no_mask) { + jit_addi(rt, rs, (s16)c.i.imm); + addr_reg = rt; + imm = 0; + } else { + addr_reg = rs; + imm = (s16)c.i.imm; + } + + if (!no_mask) { + jit_andi(rt, addr_reg, addr_mask); + addr_reg = rt; + } + + if (addr_offset) { + jit_addi(rt, addr_reg, addr_offset); + addr_reg = rt; + } + + jit_new_node_www(code, rt, addr_reg, imm); + + if (is_big_endian() && swap_code) { + jit_new_node_ww(swap_code, rt, rt); + + if (c.i.op == OP_LH) + jit_extr_s(rt, rt); + else if (c.i.op == OP_LW && __WORDSIZE == 64) + jit_extr_i(rt, rt); + } + + lightrec_free_reg(reg_cache, rs); + lightrec_free_reg(reg_cache, rt); +} + +static void rec_load_ram(struct lightrec_cstate *cstate, + const struct block *block, u16 offset, + jit_code_t code, jit_code_t swap_code, bool is_unsigned) +{ + _jit_note(block->_jit, __FILE__, __LINE__); + + rec_load_memory(cstate, block, offset, code, swap_code, is_unsigned, + cstate->state->offset_ram, rec_ram_mask(cstate->state)); +} + +static void rec_load_bios(struct lightrec_cstate *cstate, + const struct block *block, u16 offset, + jit_code_t code, jit_code_t swap_code, bool is_unsigned) +{ + _jit_note(block->_jit, __FILE__, __LINE__); + + rec_load_memory(cstate, block, offset, code, swap_code, is_unsigned, + cstate->state->offset_bios, 0x1fffffff); +} + +static void rec_load_scratch(struct lightrec_cstate *cstate, + const struct block *block, u16 offset, + jit_code_t code, jit_code_t swap_code, bool is_unsigned) +{ + _jit_note(block->_jit, __FILE__, __LINE__); + + rec_load_memory(cstate, block, offset, code, swap_code, is_unsigned, + cstate->state->offset_scratch, 0x1fffffff); +} + +static void rec_load_direct(struct lightrec_cstate *cstate, + const struct block *block, u16 offset, + jit_code_t code, jit_code_t swap_code, + bool is_unsigned) { struct lightrec_state *state = cstate->state; struct regcache *reg_cache = cstate->reg_cache; @@ -1280,15 +1582,13 @@ static void rec_load_direct(struct lightrec_cstate *cstate, const struct block * } else { to_not_ram = jit_bmsi(addr_reg, BIT(28)); - lightrec_regcache_mark_live(reg_cache, _jit); - /* Convert to KUNSEG and avoid RAM mirrors */ jit_andi(rt, addr_reg, RAM_SIZE - 1); if (state->offset_ram) jit_movi(tmp, state->offset_ram); - to_end = jit_jmpi(); + to_end = jit_b(); jit_patch(to_not_ram); @@ -1301,7 +1601,7 @@ static void rec_load_direct(struct lightrec_cstate *cstate, const struct block * jit_movi(tmp, state->offset_bios); if (state->offset_bios != state->offset_scratch) { - to_end2 = jit_jmpi(); + to_end2 = jit_b(); jit_patch(to_not_bios); @@ -1322,44 +1622,67 @@ static void rec_load_direct(struct lightrec_cstate *cstate, const struct block * jit_new_node_www(code, rt, rt, imm); + if (is_big_endian() && swap_code) { + jit_new_node_ww(swap_code, rt, rt); + + if (c.i.op == OP_LH) + jit_extr_s(rt, rt); + else if (c.i.op == OP_LW && __WORDSIZE == 64) + jit_extr_i(rt, rt); + } + lightrec_free_reg(reg_cache, addr_reg); lightrec_free_reg(reg_cache, rt); lightrec_free_reg(reg_cache, tmp); } static void rec_load(struct lightrec_cstate *state, const struct block *block, - u16 offset, jit_code_t code, bool is_unsigned) + u16 offset, jit_code_t code, jit_code_t swap_code, + bool is_unsigned) { - u16 flags = block->opcode_list[offset].flags; + u32 flags = block->opcode_list[offset].flags; - if (flags & LIGHTREC_DIRECT_IO) - rec_load_direct(state, block, offset, code, is_unsigned); - else + switch (LIGHTREC_FLAGS_GET_IO_MODE(flags)) { + case LIGHTREC_IO_RAM: + rec_load_ram(state, block, offset, code, swap_code, is_unsigned); + break; + case LIGHTREC_IO_BIOS: + rec_load_bios(state, block, offset, code, swap_code, is_unsigned); + break; + case LIGHTREC_IO_SCRATCH: + rec_load_scratch(state, block, offset, code, swap_code, is_unsigned); + break; + case LIGHTREC_IO_DIRECT: + rec_load_direct(state, block, offset, code, swap_code, is_unsigned); + break; + default: rec_io(state, block, offset, false, true); + break; + } } static void rec_LB(struct lightrec_cstate *state, const struct block *block, u16 offset) { _jit_name(block->_jit, __func__); - rec_load(state, block, offset, jit_code_ldxi_c, false); + rec_load(state, block, offset, jit_code_ldxi_c, 0, false); } static void rec_LBU(struct lightrec_cstate *state, const struct block *block, u16 offset) { _jit_name(block->_jit, __func__); - rec_load(state, block, offset, jit_code_ldxi_uc, true); + rec_load(state, block, offset, jit_code_ldxi_uc, 0, true); } static void rec_LH(struct lightrec_cstate *state, const struct block *block, u16 offset) { _jit_name(block->_jit, __func__); - rec_load(state, block, offset, jit_code_ldxi_s, false); + rec_load(state, block, offset, jit_code_ldxi_s, jit_code_bswapr_us, false); } static void rec_LHU(struct lightrec_cstate *state, const struct block *block, u16 offset) { _jit_name(block->_jit, __func__); - rec_load(state, block, offset, jit_code_ldxi_us, true); + rec_load(state, block, offset, jit_code_ldxi_us, jit_code_bswapr_us, true); } static void rec_LWL(struct lightrec_cstate *state, const struct block *block, u16 offset) @@ -1377,7 +1700,7 @@ static void rec_LWR(struct lightrec_cstate *state, const struct block *block, u1 static void rec_LW(struct lightrec_cstate *state, const struct block *block, u16 offset) { _jit_name(block->_jit, __func__); - rec_load(state, block, offset, jit_code_ldxi_i, false); + rec_load(state, block, offset, jit_code_ldxi_i, jit_code_bswapr_ui, false); } static void rec_LWC2(struct lightrec_cstate *state, const struct block *block, u16 offset) @@ -1416,21 +1739,7 @@ static void rec_special_BREAK(struct lightrec_cstate *state, rec_break_syscall(state, block, offset, true); } -static void rec_mfc(struct lightrec_cstate *state, - const struct block *block, u16 offset) -{ - struct regcache *reg_cache = state->reg_cache; - union code c = block->opcode_list[offset].c; - jit_state_t *_jit = block->_jit; - - jit_note(__FILE__, __LINE__); - lightrec_clean_reg_if_loaded(reg_cache, _jit, c.i.rt, true); - - call_to_c_wrapper(state, block, c.opcode, true, C_WRAPPER_MFC); -} - -static void rec_mtc(struct lightrec_cstate *state, - const struct block *block, u16 offset) +static void rec_mtc(struct lightrec_cstate *state, const struct block *block, u16 offset) { struct regcache *reg_cache = state->reg_cache; union code c = block->opcode_list[offset].c; @@ -1443,7 +1752,7 @@ static void rec_mtc(struct lightrec_cstate *state, call_to_c_wrapper(state, block, c.opcode, true, C_WRAPPER_MTC); if (c.i.op == OP_CP0 && - !(block->opcode_list[offset].flags & LIGHTREC_NO_DS) && + !op_flag_no_ds(block->opcode_list[offset].flags) && (c.r.rd == 12 || c.r.rd == 13)) lightrec_emit_end_of_block(state, block, offset, -1, get_ds_pc(block, offset, 1), @@ -1483,7 +1792,7 @@ rec_mtc0(struct lightrec_cstate *state, const struct block *block, u16 offset) struct regcache *reg_cache = state->reg_cache; const union code c = block->opcode_list[offset].c; jit_state_t *_jit = block->_jit; - u8 rt, tmp, tmp2, status; + u8 rt, tmp = 0, tmp2, status; jit_note(__FILE__, __LINE__); @@ -1518,13 +1827,13 @@ rec_mtc0(struct lightrec_cstate *state, const struct block *block, u16 offset) tmp = lightrec_alloc_reg_temp(reg_cache, _jit); jit_ldxi_i(tmp, LIGHTREC_REG_STATE, offsetof(struct lightrec_state, regs.cp0[13])); + + tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit); } if (c.r.rd == 12) { status = rt; } else if (c.r.rd == 13) { - tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit); - /* Cause = (Cause & ~0x0300) | (value & 0x0300) */ jit_andi(tmp2, rt, 0x0300); jit_ori(tmp, tmp, 0x0300); @@ -1544,18 +1853,29 @@ rec_mtc0(struct lightrec_cstate *state, const struct block *block, u16 offset) jit_andi(tmp, tmp, 0x0300); jit_nei(tmp, tmp, 0); jit_andr(tmp, tmp, status); + } + + if (c.r.rd == 12) { + /* Exit dynarec in case we unmask a hardware interrupt. + * exit_flags = !(~status & 0x401) */ + + jit_comr(tmp2, status); + jit_andi(tmp2, tmp2, 0x401); + jit_eqi(tmp2, tmp2, 0); + jit_orr(tmp, tmp, tmp2); + } + + if (c.r.rd == 12 || c.r.rd == 13) { jit_stxi_i(offsetof(struct lightrec_state, exit_flags), LIGHTREC_REG_STATE, tmp); lightrec_free_reg(reg_cache, tmp); - } - - if (c.r.rd == 13) lightrec_free_reg(reg_cache, tmp2); + } lightrec_free_reg(reg_cache, rt); - if (!(block->opcode_list[offset].flags & LIGHTREC_NO_DS) && + if (!op_flag_no_ds(block->opcode_list[offset].flags) && (c.r.rd == 12 || c.r.rd == 13)) lightrec_emit_eob(state, block, offset + 1, true); } @@ -1588,32 +1908,256 @@ static void rec_cp0_CTC0(struct lightrec_cstate *state, rec_mtc0(state, block, offset); } +static unsigned int cp2d_i_offset(u8 reg) +{ + return offsetof(struct lightrec_state, regs.cp2d[reg]); +} + +static unsigned int cp2d_s_offset(u8 reg) +{ + return cp2d_i_offset(reg) + is_big_endian() * 2; +} + +static unsigned int cp2c_i_offset(u8 reg) +{ + return offsetof(struct lightrec_state, regs.cp2c[reg]); +} + +static unsigned int cp2c_s_offset(u8 reg) +{ + return cp2c_i_offset(reg) + is_big_endian() * 2; +} + static void rec_cp2_basic_MFC2(struct lightrec_cstate *state, const struct block *block, u16 offset) { + struct regcache *reg_cache = state->reg_cache; + const union code c = block->opcode_list[offset].c; + jit_state_t *_jit = block->_jit; + const u32 zext_regs = 0x300f0080; + u8 rt, tmp, tmp2, tmp3, out, flags; + u8 reg = c.r.rd == 15 ? 14 : c.r.rd; + unsigned int i; + _jit_name(block->_jit, __func__); - rec_mfc(state, block, offset); + + flags = (zext_regs & BIT(reg)) ? REG_ZEXT : REG_EXT; + rt = lightrec_alloc_reg_out(reg_cache, _jit, c.r.rt, flags); + + switch (reg) { + case 1: + case 3: + case 5: + case 8: + case 9: + case 10: + case 11: + jit_ldxi_s(rt, LIGHTREC_REG_STATE, cp2d_s_offset(reg)); + break; + case 7: + case 16: + case 17: + case 18: + case 19: + jit_ldxi_us(rt, LIGHTREC_REG_STATE, cp2d_s_offset(reg)); + break; + case 28: + case 29: + tmp = lightrec_alloc_reg_temp(reg_cache, _jit); + tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit); + tmp3 = lightrec_alloc_reg_temp(reg_cache, _jit); + + for (i = 0; i < 3; i++) { + out = i == 0 ? rt : tmp; + + jit_ldxi_s(tmp, LIGHTREC_REG_STATE, cp2d_s_offset(9 + i)); + jit_movi(tmp2, 0x1f); + jit_rshi(out, tmp, 7); + + jit_ltr(tmp3, tmp2, out); + jit_movnr(out, tmp2, tmp3); + + jit_gei(tmp2, out, 0); + jit_movzr(out, tmp2, tmp2); + + if (i > 0) { + jit_lshi(tmp, tmp, 5 * i); + jit_orr(rt, rt, tmp); + } + } + + + lightrec_free_reg(reg_cache, tmp); + lightrec_free_reg(reg_cache, tmp2); + lightrec_free_reg(reg_cache, tmp3); + break; + default: + jit_ldxi_i(rt, LIGHTREC_REG_STATE, cp2d_i_offset(reg)); + break; + } + + lightrec_free_reg(reg_cache, rt); } static void rec_cp2_basic_CFC2(struct lightrec_cstate *state, const struct block *block, u16 offset) { + struct regcache *reg_cache = state->reg_cache; + const union code c = block->opcode_list[offset].c; + jit_state_t *_jit = block->_jit; + u8 rt; + _jit_name(block->_jit, __func__); - rec_mfc(state, block, offset); + + switch (c.r.rd) { + case 4: + case 12: + case 20: + case 26: + case 27: + case 29: + case 30: + rt = lightrec_alloc_reg_out(reg_cache, _jit, c.r.rt, REG_EXT); + jit_ldxi_s(rt, LIGHTREC_REG_STATE, cp2c_s_offset(c.r.rd)); + break; + default: + rt = lightrec_alloc_reg_out(reg_cache, _jit, c.r.rt, REG_ZEXT); + jit_ldxi_i(rt, LIGHTREC_REG_STATE, cp2c_i_offset(c.r.rd)); + break; + } + + lightrec_free_reg(reg_cache, rt); } static void rec_cp2_basic_MTC2(struct lightrec_cstate *state, const struct block *block, u16 offset) { + struct regcache *reg_cache = state->reg_cache; + const union code c = block->opcode_list[offset].c; + jit_state_t *_jit = block->_jit; + jit_node_t *loop, *to_loop; + u8 rt, tmp, tmp2, flags = 0; + _jit_name(block->_jit, __func__); - rec_mtc(state, block, offset); + + if (c.r.rd == 31) + return; + + if (c.r.rd == 30) + flags |= REG_EXT; + + rt = lightrec_alloc_reg_in(reg_cache, _jit, c.r.rt, flags); + + switch (c.r.rd) { + case 15: + tmp = lightrec_alloc_reg_temp(reg_cache, _jit); + jit_ldxi_i(tmp, LIGHTREC_REG_STATE, cp2d_i_offset(13)); + + tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit); + jit_ldxi_i(tmp2, LIGHTREC_REG_STATE, cp2d_i_offset(14)); + + jit_stxi_i(cp2d_i_offset(12), LIGHTREC_REG_STATE, tmp); + jit_stxi_i(cp2d_i_offset(13), LIGHTREC_REG_STATE, tmp2); + jit_stxi_i(cp2d_i_offset(14), LIGHTREC_REG_STATE, rt); + + lightrec_free_reg(reg_cache, tmp); + lightrec_free_reg(reg_cache, tmp2); + break; + case 28: + tmp = lightrec_alloc_reg_temp(reg_cache, _jit); + + jit_lshi(tmp, rt, 7); + jit_andi(tmp, tmp, 0xf80); + jit_stxi_s(cp2d_s_offset(9), LIGHTREC_REG_STATE, tmp); + + jit_lshi(tmp, rt, 2); + jit_andi(tmp, tmp, 0xf80); + jit_stxi_s(cp2d_s_offset(10), LIGHTREC_REG_STATE, tmp); + + jit_rshi(tmp, rt, 3); + jit_andi(tmp, tmp, 0xf80); + jit_stxi_s(cp2d_s_offset(11), LIGHTREC_REG_STATE, tmp); + + lightrec_free_reg(reg_cache, tmp); + break; + case 30: + tmp = lightrec_alloc_reg_temp(reg_cache, _jit); + tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit); + + /* if (rt < 0) rt = ~rt; */ + jit_rshi(tmp, rt, 31); + jit_xorr(tmp, rt, tmp); + + /* We know the sign bit is 0. Left-shift by 1 to start the algorithm */ + jit_lshi(tmp, tmp, 1); + jit_movi(tmp2, 33); + + /* Decrement tmp2 and right-shift the value by 1 until it equals zero */ + loop = jit_label(); + jit_subi(tmp2, tmp2, 1); + jit_rshi_u(tmp, tmp, 1); + to_loop = jit_bnei(tmp, 0); + + jit_patch_at(to_loop, loop); + + jit_stxi_i(cp2d_i_offset(31), LIGHTREC_REG_STATE, tmp2); + jit_stxi_i(cp2d_i_offset(30), LIGHTREC_REG_STATE, rt); + + lightrec_free_reg(reg_cache, tmp); + lightrec_free_reg(reg_cache, tmp2); + break; + default: + jit_stxi_i(cp2d_i_offset(c.r.rd), LIGHTREC_REG_STATE, rt); + break; + } + + lightrec_free_reg(reg_cache, rt); } static void rec_cp2_basic_CTC2(struct lightrec_cstate *state, const struct block *block, u16 offset) { + struct regcache *reg_cache = state->reg_cache; + const union code c = block->opcode_list[offset].c; + jit_state_t *_jit = block->_jit; + u8 rt, tmp, tmp2; + _jit_name(block->_jit, __func__); - rec_mtc(state, block, offset); + + rt = lightrec_alloc_reg_in(reg_cache, _jit, c.r.rt, 0); + + switch (c.r.rd) { + case 4: + case 12: + case 20: + case 26: + case 27: + case 29: + case 30: + jit_stxi_s(cp2c_s_offset(c.r.rd), LIGHTREC_REG_STATE, rt); + break; + case 31: + tmp = lightrec_alloc_reg_temp(reg_cache, _jit); + tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit); + + jit_andi(tmp, rt, 0x7f87e000); + jit_nei(tmp, tmp, 0); + jit_lshi(tmp, tmp, 31); + + jit_andi(tmp2, rt, 0x7ffff000); + jit_orr(tmp, tmp2, tmp); + + jit_stxi_i(cp2c_i_offset(31), LIGHTREC_REG_STATE, tmp); + + lightrec_free_reg(reg_cache, tmp); + lightrec_free_reg(reg_cache, tmp2); + break; + + default: + jit_stxi_i(cp2c_i_offset(c.r.rd), LIGHTREC_REG_STATE, rt); + } + + lightrec_free_reg(reg_cache, rt); } static void rec_cp0_RFE(struct lightrec_cstate *state, @@ -1874,9 +2418,11 @@ void lightrec_rec_opcode(struct lightrec_cstate *state, const struct opcode *op = &block->opcode_list[offset]; jit_state_t *_jit = block->_jit; lightrec_rec_func_t f; + u16 unload_offset; - if (op->flags & LIGHTREC_SYNC) { - jit_subi(LIGHTREC_REG_CYCLE, LIGHTREC_REG_CYCLE, state->cycles); + if (op_flag_sync(op->flags)) { + if (state->cycles) + jit_subi(LIGHTREC_REG_CYCLE, LIGHTREC_REG_CYCLE, state->cycles); state->cycles = 0; lightrec_storeback_regs(reg_cache, _jit); @@ -1897,16 +2443,10 @@ void lightrec_rec_opcode(struct lightrec_cstate *state, (*f)(state, block, offset); } - if (unlikely(op->flags & LIGHTREC_UNLOAD_RD)) { - lightrec_clean_reg_if_loaded(reg_cache, _jit, op->r.rd, true); - pr_debug("Cleaning RD reg %s\n", lightrec_reg_name(op->r.rd)); - } - if (unlikely(op->flags & LIGHTREC_UNLOAD_RS)) { - lightrec_clean_reg_if_loaded(reg_cache, _jit, op->i.rs, true); - pr_debug("Cleaning RS reg %s\n", lightrec_reg_name(op->i.rt)); - } - if (unlikely(op->flags & LIGHTREC_UNLOAD_RT)) { - lightrec_clean_reg_if_loaded(reg_cache, _jit, op->i.rt, true); - pr_debug("Cleaning RT reg %s\n", lightrec_reg_name(op->i.rt)); + if (OPT_EARLY_UNLOAD) { + unload_offset = offset + + (has_delay_slot(op->c) && !op_flag_no_ds(op->flags)); + + lightrec_do_early_unload(state, block, unload_offset); } }