diff options
Diffstat (limited to 'target-arm/translate.c')
| -rw-r--r-- | target-arm/translate.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/target-arm/translate.c b/target-arm/translate.c index e4649e6..89c916d 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -4065,6 +4065,16 @@ static inline void gen_neon_narrow_satu(int size, TCGv dest, TCGv_i64 src) } } +static inline void gen_neon_unarrow_sats(int size, TCGv dest, TCGv_i64 src) +{ + switch (size) { + case 0: gen_helper_neon_unarrow_sat8(dest, cpu_env, src); break; + case 1: gen_helper_neon_unarrow_sat16(dest, cpu_env, src); break; + case 2: gen_helper_neon_unarrow_sat32(dest, cpu_env, src); break; + default: abort(); + } +} + static inline void gen_neon_shift_narrow(int size, TCGv var, TCGv shift, int q, int u) { @@ -5461,12 +5471,18 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) for (pass = 0; pass < 2; pass++) { neon_load_reg64(cpu_V0, rm + pass); tmp = new_tmp(); - if (op == 36 && q == 0) { - gen_neon_narrow(size, tmp, cpu_V0); - } else if (q) { - gen_neon_narrow_satu(size, tmp, cpu_V0); - } else { - gen_neon_narrow_sats(size, tmp, cpu_V0); + if (op == 36) { + if (q) { /* VQMOVUN */ + gen_neon_unarrow_sats(size, tmp, cpu_V0); + } else { /* VMOVN */ + gen_neon_narrow(size, tmp, cpu_V0); + } + } else { /* VQMOVN */ + if (q) { + gen_neon_narrow_satu(size, tmp, cpu_V0); + } else { + gen_neon_narrow_sats(size, tmp, cpu_V0); + } } if (pass == 0) { tmp2 = tmp; |