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| author | Richard Henderson <richard.henderson@linaro.org> | 2018-03-02 10:45:42 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-03-02 11:03:45 +0000 |
| commit | d345df7a3f1336ceb0537c1fa0a7261030426768 (patch) | |
| tree | d443020983ac5b3f18b1fe19190aba930abaef72 /target/arm/translate-a64.c | |
| parent | e7186d822955c351e4aac504380f82217c670321 (diff) | |
| download | qemu-d345df7a3f1336ceb0537c1fa0a7261030426768.tar.gz | |
target/arm: Decode aa64 armv8.1 scalar/vector x indexed element
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180228193125.20577-7-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/translate-a64.c')
| -rw-r--r-- | target/arm/translate-a64.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index ae16313eb0..e4d2d548ba 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -11987,6 +11987,13 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn) case 0x19: /* FMULX */ is_fp = true; break; + case 0x1d: /* SQRDMLAH */ + case 0x1f: /* SQRDMLSH */ + if (!arm_dc_feature(s, ARM_FEATURE_V8_RDM)) { + unallocated_encoding(s); + return; + } + break; default: unallocated_encoding(s); return; @@ -12230,6 +12237,28 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn) tcg_op, tcg_idx); } break; + case 0x1d: /* SQRDMLAH */ + read_vec_element_i32(s, tcg_res, rd, pass, + is_scalar ? size : MO_32); + if (size == 1) { + gen_helper_neon_qrdmlah_s16(tcg_res, cpu_env, + tcg_op, tcg_idx, tcg_res); + } else { + gen_helper_neon_qrdmlah_s32(tcg_res, cpu_env, + tcg_op, tcg_idx, tcg_res); + } + break; + case 0x1f: /* SQRDMLSH */ + read_vec_element_i32(s, tcg_res, rd, pass, + is_scalar ? size : MO_32); + if (size == 1) { + gen_helper_neon_qrdmlsh_s16(tcg_res, cpu_env, + tcg_op, tcg_idx, tcg_res); + } else { + gen_helper_neon_qrdmlsh_s32(tcg_res, cpu_env, + tcg_op, tcg_idx, tcg_res); + } + break; default: g_assert_not_reached(); } |