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([71.212.149.95]) by smtp.gmail.com with ESMTPSA id u7-20020aa78487000000b00694fee1011asm1946775pfn.208.2023.10.20.13.47.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Oct 2023 13:47:19 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@gmx.de Subject: [PATCH v2 53/65] target/hppa: Implement HSUB Date: Fri, 20 Oct 2023 13:43:19 -0700 Message-Id: <20231020204331.139847-54-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231020204331.139847-1-richard.henderson@linaro.org> References: <20231020204331.139847-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::436; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x436.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 | 4 ++++ target/hppa/op_helper.c | 32 ++++++++++++++++++++++++++++++++ target/hppa/translate.c | 15 +++++++++++++++ 4 files changed, 53 insertions(+) diff --git a/target/hppa/helper.h b/target/hppa/helper.h index ff2695797e..99486f4cf8 100644 --- a/target/hppa/helper.h +++ b/target/hppa/helper.h @@ -16,6 +16,8 @@ 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(hsub_ss, TCG_CALL_NO_RWG, i64, i64, i64) +DEF_HELPER_FLAGS_2(hsub_us, TCG_CALL_NO_RWG, i64, i64, i64) DEF_HELPER_FLAGS_4(probe, TCG_CALL_NO_WG, tl, env, tl, i32, i32) diff --git a/target/hppa/insns.decode b/target/hppa/insns.decode index 88248ed3e2..1830b06c76 100644 --- a/target/hppa/insns.decode +++ b/target/hppa/insns.decode @@ -214,6 +214,10 @@ hadd 000010 ..... ..... 00000011 11 0 ..... @rrr hadd_ss 000010 ..... ..... 00000011 01 0 ..... @rrr hadd_us 000010 ..... ..... 00000011 00 0 ..... @rrr +hsub 000010 ..... ..... 00000001 11 0 ..... @rrr +hsub_ss 000010 ..... ..... 00000001 01 0 ..... @rrr +hsub_us 000010 ..... ..... 00000001 00 0 ..... @rrr + #### # Index Mem #### diff --git a/target/hppa/op_helper.c b/target/hppa/op_helper.c index a230a3a0c3..ece523bea0 100644 --- a/target/hppa/op_helper.c +++ b/target/hppa/op_helper.c @@ -409,3 +409,35 @@ uint64_t HELPER(hadd_us)(uint64_t r1, uint64_t r2) } return ret; } + +uint64_t HELPER(hsub_ss)(uint64_t r1, uint64_t r2) +{ + 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 - f2; + + fr = MIN(fr, INT16_MAX); + fr = MAX(fr, INT16_MIN); + ret = deposit64(ret, i, 16, fr); + } + return ret; +} + +uint64_t HELPER(hsub_us)(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 = sextract64(r2, i, 16); + int fr = f1 - f2; + + fr = MIN(fr, UINT16_MAX); + fr = MAX(fr, 0); + ret = deposit64(ret, i, 16, fr); + } + return ret; +} diff --git a/target/hppa/translate.c b/target/hppa/translate.c index 0d72c96fd5..63c6a28cef 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -2776,6 +2776,21 @@ static bool trans_hadd_us(DisasContext *ctx, arg_rrr *a) return do_multimedia(ctx, a, gen_helper_hadd_us); } +static bool trans_hsub(DisasContext *ctx, arg_rrr *a) +{ + return do_multimedia(ctx, a, tcg_gen_vec_sub16_i64); +} + +static bool trans_hsub_ss(DisasContext *ctx, arg_rrr *a) +{ + return do_multimedia(ctx, a, gen_helper_hsub_ss); +} + +static bool trans_hsub_us(DisasContext *ctx, arg_rrr *a) +{ + return do_multimedia(ctx, a, gen_helper_hsub_us); +} + static bool trans_ld(DisasContext *ctx, arg_ldst *a) { if (!ctx->is_pa20 && a->size > MO_32) {