Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/sparc/translate.c  | 11 +++++++++++
 target/sparc/insns.decode |  1 +
 2 files changed, 12 insertions(+)

diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 70d87a68cc..8241676174 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -826,6 +826,15 @@ static void gen_op_bshuffle(TCGv_i64 dst, TCGv_i64 src1, TCGv_i64 src2)
 #endif
 }
 
+static void gen_op_pdistn(TCGv dst, TCGv_i64 src1, TCGv_i64 src2)
+{
+#ifdef TARGET_SPARC64
+    gen_helper_pdist(dst, tcg_constant_i64(0), src1, src2);
+#else
+    g_assert_not_reached();
+#endif
+}
+
 static void gen_op_fmul8x16al(TCGv_i64 dst, TCGv_i32 src1, TCGv_i32 src2)
 {
     tcg_gen_ext16s_i32(src2, src2);
@@ -5063,6 +5072,8 @@ TRANS(FPCMPNE8, VIS3B, do_rdd, a, gen_helper_fcmpne8)
 TRANS(FPCMPULE8, VIS3B, do_rdd, a, gen_helper_fcmpule8)
 TRANS(FPCMPUGT8, VIS3B, do_rdd, a, gen_helper_fcmpugt8)
 
+TRANS(PDISTN, VIS3, do_rdd, a, gen_op_pdistn)
+
 static bool do_env_ddd(DisasContext *dc, arg_r_r_r *a,
                        void (*func)(TCGv_i64, TCGv_env, TCGv_i64, TCGv_i64))
 {
diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index 1189ad4c87..e46c5f7dc4 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -435,6 +435,7 @@ FCMPEq      10 000 cc:2 110101 .....  0 0101 0111 .....    \
     FPACKFIX    10 ..... 110110 00000 0 0011 1101 .....    @d_d2
     PDIST       10 ..... 110110 ..... 0 0011 1110 .....    \
                 &r_r_r_r rd=%dfp_rd rs1=%dfp_rd rs2=%dfp_rs1 rs3=%dfp_rs2
+    PDISTN      10 ..... 110110 ..... 0 0011 1111 .....    @r_d_d
 
     FMEAN16     10 ..... 110110 ..... 0 0100 0000 .....    @d_d_d
     FCHKSM16    10 ..... 110110 ..... 0 0100 0100 .....    @d_d_d
-- 
2.34.1

On 2/3/24 06:15, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   target/sparc/translate.c  | 11 +++++++++++
>   target/sparc/insns.decode |  1 +
>   2 files changed, 12 insertions(+)


> +static void gen_op_pdistn(TCGv dst, TCGv_i64 src1, TCGv_i64 src2)
> +{
> +#ifdef TARGET_SPARC64
> +    gen_helper_pdist(dst, tcg_constant_i64(0), src1, src2);

I node pdist[n] could benefit from gvec.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>