diff options
Diffstat (limited to 'target-mips/translate.c')
| -rw-r--r-- | target-mips/translate.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c index ea90776694..599e458c06 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -5693,29 +5693,31 @@ static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs) static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf) { - int l1 = gen_new_label(); - uint32_t ccbit; + int l1; TCGCond cond; - TCGv t0 = tcg_temp_local_new(); - TCGv_i32 r_tmp = tcg_temp_new_i32(); + TCGv_i32 t0; + + if (rd == 0) { + /* Treat as NOP. */ + return; + } - if (cc) - ccbit = 1 << (24 + cc); - else - ccbit = 1 << 23; if (tf) cond = TCG_COND_EQ; else cond = TCG_COND_NE; - gen_load_gpr(t0, rd); - tcg_gen_andi_i32(r_tmp, fpu_fcr31, ccbit); - tcg_gen_brcondi_i32(cond, r_tmp, 0, l1); - tcg_temp_free_i32(r_tmp); - gen_load_gpr(t0, rs); + l1 = gen_new_label(); + t0 = tcg_temp_new_i32(); + tcg_gen_andi_i32(t0, fpu_fcr31, get_fp_bit(cc)); + tcg_gen_brcondi_i32(cond, t0, 0, l1); + if (rs == 0) { + tcg_gen_movi_tl(cpu_gpr[rd], 0); + } else { + tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); + } gen_set_label(l1); - gen_store_gpr(t0, rd); - tcg_temp_free(t0); + tcg_temp_free_i32(t0); } static inline void gen_movcf_s (int fs, int fd, int cc, int tf) |