Commit 784696d1 authored by Richard Henderson's avatar Richard Henderson
Browse files

target/openrisc: Use movcond where appropriate 



Reviewed-by: default avatarBastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: default avatarRichard Henderson <rth@twiddle.net>
parent 97458071

target/openrisc/translate.c

+14 −14
Original line number Diff line number Diff line
@@ -214,12 +214,16 @@ static void gen_jump(DisasContext *dc, int32_t n26, uint32_t reg, uint32_t op0) 
    case 0x03:     /* l.bnf */

    case 0x04:     /* l.bf  */

        {

            TCGLabel *lab = gen_new_label();

            tcg_gen_movi_tl(jmp_pc, dc->pc+8);

            tcg_gen_brcondi_tl(op0 == 0x03 ? TCG_COND_NE : TCG_COND_EQ,

                               cpu_sr_f, 0, lab);

            tcg_gen_movi_tl(jmp_pc, tmp_pc);

            gen_set_label(lab);

            TCGv t_next = tcg_const_tl(dc->pc + 8);

            TCGv t_true = tcg_const_tl(tmp_pc);

            TCGv t_zero = tcg_const_tl(0);



            tcg_gen_movcond_tl(op0 == 0x03 ? TCG_COND_EQ : TCG_COND_NE,

                               jmp_pc, cpu_sr_f, t_zero, t_true, t_next);



            tcg_temp_free(t_next);

            tcg_temp_free(t_true);

            tcg_temp_free(t_zero);

        }

        break;

    case 0x11:     /* l.jr */
@@ -502,14 +506,10 @@ static void dec_calc(DisasContext *dc, uint32_t insn) 
        case 0xe: /* l.cmov */

            LOG_DIS("l.cmov r%d, r%d, r%d\n", rd, ra, rb);

            {

                TCGLabel *lab = gen_new_label();

                TCGv res = tcg_temp_local_new();

                tcg_gen_mov_tl(res, cpu_R[rb]);

                tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_sr_f, 0, lab);

                tcg_gen_mov_tl(res, cpu_R[ra]);

                gen_set_label(lab);

                tcg_gen_mov_tl(cpu_R[rd], res);

                tcg_temp_free(res);

                TCGv zero = tcg_const_tl(0);

                tcg_gen_movcond_tl(TCG_COND_NE, cpu_R[rd], cpu_sr_f, zero,

                                   cpu_R[ra], cpu_R[rb]);

                tcg_temp_free(zero);

            }

            return;