target/arm: Implement SVE2 complex integer add

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-19-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 31 insertions, 0 deletions

diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 3ea42758fc..27eb6f3233 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -6285,3 +6285,34 @@ static bool trans_BGRP(DisasContext *s, arg_rrr_esz *a)
     }
     return do_sve2_zzw_ool(s, a, fns[a->esz], 0);
 }
+
+static bool do_cadd(DisasContext *s, arg_rrr_esz *a, bool sq, bool rot)
+{
+    static gen_helper_gvec_3 * const fns[2][4] = {
+        { gen_helper_sve2_cadd_b, gen_helper_sve2_cadd_h,
+          gen_helper_sve2_cadd_s, gen_helper_sve2_cadd_d },
+        { gen_helper_sve2_sqcadd_b, gen_helper_sve2_sqcadd_h,
+          gen_helper_sve2_sqcadd_s, gen_helper_sve2_sqcadd_d },
+    };
+    return do_sve2_zzw_ool(s, a, fns[sq][a->esz], rot);
+}
+
+static bool trans_CADD_rot90(DisasContext *s, arg_rrr_esz *a)
+{
+    return do_cadd(s, a, false, false);
+}
+
+static bool trans_CADD_rot270(DisasContext *s, arg_rrr_esz *a)
+{
+    return do_cadd(s, a, false, true);
+}
+
+static bool trans_SQCADD_rot90(DisasContext *s, arg_rrr_esz *a)
+{
+    return do_cadd(s, a, true, false);
+}
+
+static bool trans_SQCADD_rot270(DisasContext *s, arg_rrr_esz *a)
+{
+    return do_cadd(s, a, true, true);
+}