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authorRichard Henderson <richard.henderson@linaro.org>2018-03-02 10:45:42 +0000
committerPeter Maydell <peter.maydell@linaro.org>2018-03-02 11:03:45 +0000
commitd345df7a3f1336ceb0537c1fa0a7261030426768 (patch)
treed443020983ac5b3f18b1fe19190aba930abaef72 /target
parente7186d822955c351e4aac504380f82217c670321 (diff)
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')
-rw-r--r--target/arm/translate-a64.c29
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();
}