diff options
| -rw-r--r-- | target/arm/translate-sve.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index 667879564f..4ee3bbca29 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -4765,12 +4765,33 @@ static void do_ldrq(DisasContext *s, int zt, int pg, TCGv_i64 addr, int msz) unsigned vsz = vec_full_reg_size(s); TCGv_ptr t_pg; TCGv_i32 desc; + int poff; /* Load the first quadword using the normal predicated load helpers. */ desc = tcg_const_i32(simd_desc(16, 16, zt)); + + poff = pred_full_reg_offset(s, pg); + if (vsz > 16) { + /* + * Zero-extend the first 16 bits of the predicate into a temporary. + * This avoids triggering an assert making sure we don't have bits + * set within a predicate beyond VQ, but we have lowered VQ to 1 + * for this load operation. + */ + TCGv_i64 tmp = tcg_temp_new_i64(); +#ifdef HOST_WORDS_BIGENDIAN + poff += 6; +#endif + tcg_gen_ld16u_i64(tmp, cpu_env, poff); + + poff = offsetof(CPUARMState, vfp.preg_tmp); + tcg_gen_st_i64(tmp, cpu_env, poff); + tcg_temp_free_i64(tmp); + } + t_pg = tcg_temp_new_ptr(); + tcg_gen_addi_ptr(t_pg, cpu_env, poff); - tcg_gen_addi_ptr(t_pg, cpu_env, pred_full_reg_offset(s, pg)); fns[msz](cpu_env, t_pg, addr, desc); tcg_temp_free_ptr(t_pg); |