diff mbox series

[v3,26/81] target/arm: Implement SVE2 integer absolute difference and accumulate

Message ID 20200918183751.2787647-27-richard.henderson@linaro.org
State Superseded
Headers show
Series target/arm: Implement SVE2 | expand

Commit Message

Richard Henderson Sept. 18, 2020, 6:36 p.m. UTC 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/sve.decode      |  6 ++++++
 target/arm/translate-sve.c | 21 +++++++++++++++++++++
 2 files changed, 27 insertions(+)
diff mbox series

Patch

diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index 90a9d6552a..b5450b1d4d 100644
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -1266,3 +1266,9 @@  URSRA           01000101 .. 0 ..... 1110 11 ..... .....  @rd_rn_tszimm_shr
 
 SRI             01000101 .. 0 ..... 11110 0 ..... .....  @rd_rn_tszimm_shr
 SLI             01000101 .. 0 ..... 11110 1 ..... .....  @rd_rn_tszimm_shl
+
+## SVE2 integer absolute difference and accumulate
+
+# TODO: Use @rda and %reg_movprfx here.
+SABA            01000101 .. 0 ..... 11111 0 ..... .....  @rd_rn_rm
+UABA            01000101 .. 0 ..... 11111 1 ..... .....  @rd_rn_rm
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 33e575ce72..e21f078af7 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -6448,3 +6448,24 @@  static bool trans_SLI(DisasContext *s, arg_rri_esz *a)
 {
     return do_sve2_fn2i(s, a, gen_gvec_sli);
 }
+
+static bool do_sve2_fn_zzz(DisasContext *s, arg_rrr_esz *a, GVecGen3Fn *fn)
+{
+    if (!dc_isar_feature(aa64_sve2, s)) {
+        return false;
+    }
+    if (sve_access_check(s)) {
+        gen_gvec_fn_zzz(s, fn, a->esz, a->rd, a->rn, a->rm);
+    }
+    return true;
+}
+
+static bool trans_SABA(DisasContext *s, arg_rrr_esz *a)
+{
+    return do_sve2_fn_zzz(s, a, gen_gvec_saba);
+}
+
+static bool trans_UABA(DisasContext *s, arg_rrr_esz *a)
+{
+    return do_sve2_fn_zzz(s, a, gen_gvec_uaba);
+}