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([71.212.149.95]) by smtp.gmail.com with ESMTPSA id r15-20020aa7962f000000b006889348ba6esm3796263pfg.127.2023.10.18.14.55.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Oct 2023 14:55:24 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@gmx.de Subject: [PATCH 55/61] target/hppa: Implement HSHLADD, HSHRADD Date: Wed, 18 Oct 2023 14:51:29 -0700 Message-Id: <20231018215135.1561375-56-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231018215135.1561375-1-richard.henderson@linaro.org> References: <20231018215135.1561375-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::333; envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x333.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Richard Henderson --- target/hppa/helper.h | 2 ++ target/hppa/insns.decode | 12 ++++++++++-- target/hppa/op_helper.c | 32 ++++++++++++++++++++++++++++++++ target/hppa/translate.c | 32 ++++++++++++++++++++++++++++++++ 4 files changed, 76 insertions(+), 2 deletions(-) diff --git a/target/hppa/helper.h b/target/hppa/helper.h index 1feb2fdfc4..c4c3093a83 100644 --- a/target/hppa/helper.h +++ b/target/hppa/helper.h @@ -17,6 +17,8 @@ DEF_HELPER_FLAGS_1(ldc_check, TCG_CALL_NO_RWG, void, tl) DEF_HELPER_FLAGS_2(hadd_ss, TCG_CALL_NO_RWG, i64, i64, i64) DEF_HELPER_FLAGS_2(hadd_us, TCG_CALL_NO_RWG, i64, i64, i64) DEF_HELPER_FLAGS_2(havg, TCG_CALL_NO_RWG, i64, i64, i64) +DEF_HELPER_FLAGS_3(hshladd, TCG_CALL_NO_RWG, i64, i64, i64, i32) +DEF_HELPER_FLAGS_3(hshradd, TCG_CALL_NO_RWG, i64, i64, i64, i32) DEF_HELPER_FLAGS_2(hsub_ss, TCG_CALL_NO_RWG, i64, i64, i64) DEF_HELPER_FLAGS_2(hsub_us, TCG_CALL_NO_RWG, i64, i64, i64) diff --git a/target/hppa/insns.decode b/target/hppa/insns.decode index f0c4866ca2..d7befbf73d 100644 --- a/target/hppa/insns.decode +++ b/target/hppa/insns.decode @@ -68,6 +68,7 @@ &rrr t r1 r2 &rrr_cf t r1 r2 cf &rrr_cf_d t r1 r2 cf d +&rrr_sh t r1 r2 sh &rrr_cf_d_sh t r1 r2 cf d sh &rri t r i &rri_cf t r i cf @@ -86,6 +87,7 @@ @rrr ...... r2:5 r1:5 .... ....... t:5 &rrr @rrr_cf ...... r2:5 r1:5 cf:4 ....... t:5 &rrr_cf @rrr_cf_d ...... r2:5 r1:5 cf:4 ...... d:1 t:5 &rrr_cf_d +@rrr_sh ...... r2:5 r1:5 ........ sh:2 . t:5 &rrr_sh @rrr_cf_d_sh ...... r2:5 r1:5 cf:4 .... sh:2 d:1 t:5 &rrr_cf_d_sh @rrr_cf_d_sh0 ...... r2:5 r1:5 cf:4 ...... d:1 t:5 &rrr_cf_d_sh sh=0 @rri_cf ...... r:5 t:5 cf:4 . ........... &rri_cf i=%lowsign_11 @@ -187,14 +189,20 @@ dcor_i 000010 ..... 00000 .... 101111 . ..... @rr_cf_d add 000010 ..... ..... .... 0110.. . ..... @rrr_cf_d_sh add_l 000010 ..... ..... .... 1010.. . ..... @rrr_cf_d_sh add_tsv 000010 ..... ..... .... 1110.. . ..... @rrr_cf_d_sh -add_c 000010 ..... ..... .... 011100 . ..... @rrr_cf_d_sh0 +{ + add_c 000010 ..... ..... .... 011100 . ..... @rrr_cf_d_sh0 + hshladd 000010 ..... ..... 0000 0111.. 0 ..... @rrr_sh +} add_c_tsv 000010 ..... ..... .... 111100 . ..... @rrr_cf_d_sh0 sub 000010 ..... ..... .... 010000 . ..... @rrr_cf_d sub_tsv 000010 ..... ..... .... 110000 . ..... @rrr_cf_d sub_tc 000010 ..... ..... .... 010011 . ..... @rrr_cf_d sub_tsv_tc 000010 ..... ..... .... 110011 . ..... @rrr_cf_d -sub_b 000010 ..... ..... .... 010100 . ..... @rrr_cf_d +{ + sub_b 000010 ..... ..... .... 010100 . ..... @rrr_cf_d + hshradd 000010 ..... ..... 0000 0101.. 0 ..... @rrr_sh +} sub_b_tsv 000010 ..... ..... .... 110100 . ..... @rrr_cf_d ldil 001000 t:5 ..................... i=%assemble_21 diff --git a/target/hppa/op_helper.c b/target/hppa/op_helper.c index cba610ac75..9d8e728460 100644 --- a/target/hppa/op_helper.c +++ b/target/hppa/op_helper.c @@ -455,3 +455,35 @@ uint64_t HELPER(hsub_us)(uint64_t r1, uint64_t r2) } return ret; } + +uint64_t HELPER(hshladd)(uint64_t r1, uint64_t r2, uint32_t sh) +{ + uint64_t ret = 0; + + for (int i = 0; i < 64; i += 16) { + int f1 = sextract64(r1, i, 16); + int f2 = sextract64(r2, i, 16); + int fr = (f1 << sh) + f2; + + fr = MIN(fr, INT16_MAX); + fr = MAX(fr, INT16_MIN); + ret = deposit64(ret, i, 16, fr); + } + return ret; +} + +uint64_t HELPER(hshradd)(uint64_t r1, uint64_t r2, uint32_t sh) +{ + uint64_t ret = 0; + + for (int i = 0; i < 64; i += 16) { + int f1 = sextract64(r1, i, 16); + int f2 = sextract64(r2, i, 16); + int fr = (f1 >> sh) + f2; + + fr = MIN(fr, INT16_MAX); + fr = MAX(fr, INT16_MIN); + ret = deposit64(ret, i, 16, fr); + } + return ret; +} diff --git a/target/hppa/translate.c b/target/hppa/translate.c index b912673531..b0aefecd2e 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -2781,6 +2781,28 @@ static bool do_multimedia_sh(DisasContext *ctx, arg_rri *a, return nullify_end(ctx); } +static bool do_multimedia_shadd(DisasContext *ctx, arg_rrr_sh *a, + void (*fn)(TCGv_i64, TCGv_i64, + TCGv_i64, TCGv_i32)) +{ + TCGv_i64 r1, r2, dest; + + if (!ctx->is_pa20) { + return false; + } + + nullify_over(ctx); + + r1 = load_gpr(ctx, a->r1); + r2 = load_gpr(ctx, a->r2); + dest = dest_gpr(ctx, a->t); + + fn(dest, r1, r2, tcg_constant_i32(a->sh)); + save_gpr(ctx, a->t, dest); + + return nullify_end(ctx); +} + static bool trans_hadd(DisasContext *ctx, arg_rrr *a) { return do_multimedia(ctx, a, tcg_gen_vec_add16_i64); @@ -2816,6 +2838,16 @@ static bool trans_hshr_u(DisasContext *ctx, arg_rri *a) return do_multimedia_sh(ctx, a, tcg_gen_vec_shr16i_i64); } +static bool trans_hshladd(DisasContext *ctx, arg_rrr_sh *a) +{ + return do_multimedia_shadd(ctx, a, gen_helper_hshladd); +} + +static bool trans_hshradd(DisasContext *ctx, arg_rrr_sh *a) +{ + return do_multimedia_shadd(ctx, a, gen_helper_hshradd); +} + static bool trans_hsub(DisasContext *ctx, arg_rrr *a) { return do_multimedia(ctx, a, tcg_gen_vec_sub16_i64);