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charset="utf-8" - gen_jumpi passes target PC to the helper; - gen_callw_slot uses callinc (1..3); - gen_brcondi passes immediate field (less than 32 different possible values) to the helper; - disas_xtensa_insn passes PC to the helpers; - translate_entry passes PC, stack register number (0..15) and stack frame size to the helper; - gen_check_exclusive passes PC and boolean flag to the helper; - test_exceptions_retw passes PC to the helper; - gen_check_atomctl passes PC to the helper; - translate_ssai passes immediate shift amount (0..31) to the helper; - gen_waiti passes next PC and an immediate (0..15) to the helper; use tcg_constant_* for the constants listed above. Fold gen_waiti body into the translate_waiti as it's the only user. Signed-off-by: Max Filippov --- Changes v1->v2: - convert gen_jumpi, disas_xtensa_insn, test_exceptions_retw and gen_check_atomctl - use tcg_constant_* for PC target/xtensa/translate.c | 75 +++++++++++++-------------------------- 1 file changed, 24 insertions(+), 51 deletions(-) diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c index 09fb3df40934..9b3c5c0ca45e 100644 --- a/target/xtensa/translate.c +++ b/target/xtensa/translate.c @@ -396,19 +396,15 @@ static int adjust_jump_slot(DisasContext *dc, uint32_= t dest, int slot) =20 static void gen_jumpi(DisasContext *dc, uint32_t dest, int slot) { - TCGv_i32 tmp =3D tcg_const_i32(dest); - gen_jump_slot(dc, tmp, adjust_jump_slot(dc, dest, slot)); - tcg_temp_free(tmp); + gen_jump_slot(dc, tcg_constant_i32(dest), + adjust_jump_slot(dc, dest, slot)); } =20 static void gen_callw_slot(DisasContext *dc, int callinc, TCGv_i32 dest, int slot) { - TCGv_i32 tcallinc =3D tcg_const_i32(callinc); - tcg_gen_deposit_i32(cpu_SR[PS], cpu_SR[PS], - tcallinc, PS_CALLINC_SHIFT, PS_CALLINC_LEN); - tcg_temp_free(tcallinc); + tcg_constant_i32(callinc), PS_CALLINC_SHIFT, PS_CALLINC_LEN); tcg_gen_movi_i32(cpu_R[callinc << 2], (callinc << 30) | (dc->base.pc_next & 0x3fffffff)); gen_jump_slot(dc, dest, slot); @@ -454,9 +450,7 @@ static void gen_brcond(DisasContext *dc, TCGCond cond, static void gen_brcondi(DisasContext *dc, TCGCond cond, TCGv_i32 t0, uint32_t t1, uint32_t addr) { - TCGv_i32 tmp =3D tcg_const_i32(t1); - gen_brcond(dc, cond, t0, tmp, addr); - tcg_temp_free(tmp); + gen_brcond(dc, cond, t0, tcg_constant_i32(t1), addr); } =20 static uint32_t test_exceptions_sr(DisasContext *dc, const OpcodeArg arg[], @@ -541,21 +535,6 @@ static MemOp gen_load_store_alignment(DisasContext *dc= , MemOp mop, return mop; } =20 -#ifndef CONFIG_USER_ONLY -static void gen_waiti(DisasContext *dc, uint32_t imm4) -{ - TCGv_i32 pc =3D tcg_const_i32(dc->base.pc_next); - TCGv_i32 intlevel =3D tcg_const_i32(imm4); - - if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) { - gen_io_start(); - } - gen_helper_waiti(cpu_env, pc, intlevel); - tcg_temp_free(pc); - tcg_temp_free(intlevel); -} -#endif - static bool gen_window_check(DisasContext *dc, uint32_t mask) { unsigned r =3D 31 - clz32(mask); @@ -1070,17 +1049,15 @@ static void disas_xtensa_insn(CPUXtensaState *env, = DisasContext *dc) } =20 if (op_flags & XTENSA_OP_UNDERFLOW) { - TCGv_i32 tmp =3D tcg_const_i32(dc->pc); + TCGv_i32 pc =3D tcg_constant_i32(dc->pc); =20 - gen_helper_test_underflow_retw(cpu_env, tmp); - tcg_temp_free(tmp); + gen_helper_test_underflow_retw(cpu_env, pc); } =20 if (op_flags & XTENSA_OP_ALLOCA) { - TCGv_i32 tmp =3D tcg_const_i32(dc->pc); + TCGv_i32 pc =3D tcg_constant_i32(dc->pc); =20 - gen_helper_movsp(cpu_env, tmp); - tcg_temp_free(tmp); + gen_helper_movsp(cpu_env, pc); } =20 if (coprocessor && !gen_check_cpenable(dc, coprocessor)) { @@ -1659,13 +1636,10 @@ static uint32_t test_overflow_entry(DisasContext *d= c, const OpcodeArg arg[], static void translate_entry(DisasContext *dc, const OpcodeArg arg[], const uint32_t par[]) { - TCGv_i32 pc =3D tcg_const_i32(dc->pc); - TCGv_i32 s =3D tcg_const_i32(arg[0].imm); - TCGv_i32 imm =3D tcg_const_i32(arg[1].imm); + TCGv_i32 pc =3D tcg_constant_i32(dc->pc); + TCGv_i32 s =3D tcg_constant_i32(arg[0].imm); + TCGv_i32 imm =3D tcg_constant_i32(arg[1].imm); gen_helper_entry(cpu_env, pc, s, imm); - tcg_temp_free(imm); - tcg_temp_free(s); - tcg_temp_free(pc); } =20 static void translate_extui(DisasContext *dc, const OpcodeArg arg[], @@ -1745,12 +1719,10 @@ static void gen_check_exclusive(DisasContext *dc, T= CGv_i32 addr, bool is_write) static void gen_check_exclusive(DisasContext *dc, TCGv_i32 addr, bool is_w= rite) { if (!option_enabled(dc, XTENSA_OPTION_MPU)) { - TCGv_i32 tpc =3D tcg_const_i32(dc->pc); - TCGv_i32 write =3D tcg_const_i32(is_write); + TCGv_i32 pc =3D tcg_constant_i32(dc->pc); =20 - gen_helper_check_exclusive(cpu_env, tpc, addr, write); - tcg_temp_free(tpc); - tcg_temp_free(write); + gen_helper_check_exclusive(cpu_env, pc, addr, + tcg_constant_i32(is_write)); } } #endif @@ -2127,10 +2099,9 @@ static uint32_t test_exceptions_retw(DisasContext *d= c, const OpcodeArg arg[], "Illegal retw instruction(pc =3D %08x)\n", dc->pc); return XTENSA_OP_ILL; } else { - TCGv_i32 tmp =3D tcg_const_i32(dc->pc); + TCGv_i32 pc =3D tcg_constant_i32(dc->pc); =20 - gen_helper_test_ill_retw(cpu_env, tmp); - tcg_temp_free(tmp); + gen_helper_test_ill_retw(cpu_env, pc); return 0; } } @@ -2290,10 +2261,9 @@ static void gen_check_atomctl(DisasContext *dc, TCGv= _i32 addr) #else static void gen_check_atomctl(DisasContext *dc, TCGv_i32 addr) { - TCGv_i32 tpc =3D tcg_const_i32(dc->pc); + TCGv_i32 pc =3D tcg_constant_i32(dc->pc); =20 gen_helper_check_atomctl(cpu_env, tpc, addr); - tcg_temp_free(tpc); } #endif =20 @@ -2514,9 +2484,7 @@ static void translate_ssa8l(DisasContext *dc, const O= pcodeArg arg[], static void translate_ssai(DisasContext *dc, const OpcodeArg arg[], const uint32_t par[]) { - TCGv_i32 tmp =3D tcg_const_i32(arg[0].imm); - gen_right_shift_sar(dc, tmp); - tcg_temp_free(tmp); + gen_right_shift_sar(dc, tcg_constant_i32(arg[0].imm)); } =20 static void translate_ssl(DisasContext *dc, const OpcodeArg arg[], @@ -2550,7 +2518,12 @@ static void translate_waiti(DisasContext *dc, const = OpcodeArg arg[], const uint32_t par[]) { #ifndef CONFIG_USER_ONLY - gen_waiti(dc, arg[0].imm); + TCGv_i32 pc =3D tcg_constant_i32(dc->base.pc_next); + + if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) { + gen_io_start(); + } + gen_helper_waiti(cpu_env, pc, tcg_constant_i32(arg[0].imm)); #endif } =20 --=20 2.30.2