diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2020-06-16 10:32:27 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-06-16 10:32:27 +0100 |
| commit | aa318f5b9b4ab3b6744b5305dd8ae9b96676f20e (patch) | |
| tree | 7297a9db41be59defc2e23140ad30c5052bd89b4 /target/arm/translate.c | |
| parent | b2fc7be972b94872f6a6dd32d9bda1b88ddbcaad (diff) | |
target/arm: Convert Neon 2-reg-scalar VQRDMLAH, VQRDMLSH to decodetree
Convert the VQRDMLAH and VQRDMLSH insns in the 2-reg-scalar
group to decodetree.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/arm/translate.c')
| -rw-r--r-- | target/arm/translate.c | 38 |
1 files changed, 2 insertions, 36 deletions
diff --git a/target/arm/translate.c b/target/arm/translate.c index 5d0e00f92e..f0db029f66 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -5179,6 +5179,8 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) case 9: /* Floating point VMUL scalar */ case 12: /* VQDMULH scalar */ case 13: /* VQRDMULH scalar */ + case 14: /* VQRDMLAH scalar */ + case 15: /* VQRDMLSH scalar */ return 1; /* handled by decodetree */ case 3: /* VQDMLAL scalar */ @@ -5238,42 +5240,6 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) neon_store_reg64(cpu_V0, rd + pass); } break; - case 14: /* VQRDMLAH scalar */ - case 15: /* VQRDMLSH scalar */ - { - NeonGenThreeOpEnvFn *fn; - - if (!dc_isar_feature(aa32_rdm, s)) { - return 1; - } - if (u && ((rd | rn) & 1)) { - return 1; - } - if (op == 14) { - if (size == 1) { - fn = gen_helper_neon_qrdmlah_s16; - } else { - fn = gen_helper_neon_qrdmlah_s32; - } - } else { - if (size == 1) { - fn = gen_helper_neon_qrdmlsh_s16; - } else { - fn = gen_helper_neon_qrdmlsh_s32; - } - } - - tmp2 = neon_get_scalar(size, rm); - for (pass = 0; pass < (u ? 4 : 2); pass++) { - tmp = neon_load_reg(rn, pass); - tmp3 = neon_load_reg(rd, pass); - fn(tmp, cpu_env, tmp, tmp2, tmp3); - tcg_temp_free_i32(tmp3); - neon_store_reg(rd, pass, tmp); - } - tcg_temp_free_i32(tmp2); - } - break; default: g_assert_not_reached(); } |