From 1b3cb7c874bd92d6022f4f99b16531f66148d905 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Wed, 20 Sep 2023 17:11:06 +0200 Subject: [PATCH] target/hppa: Implement HAVG Signed-off-by: Richard Henderson --- target/hppa/helper.h | 1 + target/hppa/insns.decode | 2 ++ target/hppa/op_helper.c | 14 ++++++++++++++ target/hppa/translate.c | 5 +++++ 4 files changed, 22 insertions(+) diff --git a/target/hppa/helper.h b/target/hppa/helper.h index 64fd1ef1ef..3b3a543216 100644 --- a/target/hppa/helper.h +++ b/target/hppa/helper.h @@ -16,6 +16,7 @@ DEF_HELPER_FLAGS_1(ldc_check, TCG_CALL_NO_RWG, void, tl) DEF_HELPER_FLAGS_2(hadd_ss, TCG_CALL_NO_RWG_SE, i64, i64, i64) DEF_HELPER_FLAGS_2(hadd_us, TCG_CALL_NO_RWG_SE, i64, i64, i64) +DEF_HELPER_FLAGS_2(havg, TCG_CALL_NO_RWG_SE, i64, i64, i64) DEF_HELPER_FLAGS_2(hsub_ss, TCG_CALL_NO_RWG_SE, i64, i64, i64) DEF_HELPER_FLAGS_2(hsub_us, TCG_CALL_NO_RWG_SE, i64, i64, i64) diff --git a/target/hppa/insns.decode b/target/hppa/insns.decode index 29b49c6cf4..6959555bf3 100644 --- a/target/hppa/insns.decode +++ b/target/hppa/insns.decode @@ -214,6 +214,8 @@ hadd 000010 ..... ..... 00000011 11 0 ..... @rrr hadd_ss 000010 ..... ..... 00000011 01 0 ..... @rrr hadd_us 000010 ..... ..... 00000011 00 0 ..... @rrr +havg 000010 ..... ..... 00000010 11 0 ..... @rrr + hsub 000010 ..... ..... 00000001 11 0 ..... @rrr hsub_ss 000010 ..... ..... 00000001 01 0 ..... @rrr hsub_us 000010 ..... ..... 00000001 00 0 ..... @rrr diff --git a/target/hppa/op_helper.c b/target/hppa/op_helper.c index de51905428..e76f201472 100644 --- a/target/hppa/op_helper.c +++ b/target/hppa/op_helper.c @@ -410,6 +410,20 @@ uint64_t HELPER(hadd_us)(uint64_t r1, uint64_t r2) return ret; } +uint64_t HELPER(havg)(uint64_t r1, uint64_t r2) +{ + uint64_t ret = 0; + + for (int i = 0; i < 64; i += 16) { + int f1 = extract64(r1, i, 16); + int f2 = extract64(r2, i, 16); + int fr = f1 + f2; + + ret = deposit64(ret, i, 16, (fr >> 1) | (fr & 1)); + } + return ret; +} + uint64_t HELPER(hsub_ss)(uint64_t r1, uint64_t r2) { uint64_t ret = 0; diff --git a/target/hppa/translate.c b/target/hppa/translate.c index e5a3873d25..e20ce40fe3 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -2804,6 +2804,11 @@ static bool trans_hadd_us(DisasContext *ctx, arg_rrr *a) return do_multimedia(ctx, a, gen_helper_hadd_us); } +static bool trans_havg(DisasContext *ctx, arg_rrr *a) +{ + return do_multimedia(ctx, a, gen_helper_havg); +} + static bool trans_hsub(DisasContext *ctx, arg_rrr *a) { return do_multimedia(ctx, a, tcg_gen_vec_sub16_i64); -- 2.11.0