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Fri, 04 Jul 2025 07:21:43 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, peter.maydell@linaro.org Subject: [PATCH v4 027/108] target/arm: Implement SME2 BMOPA Date: Fri, 4 Jul 2025 08:19:50 -0600 Message-ID: <20250704142112.1018902-28-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250704142112.1018902-1-richard.henderson@linaro.org> References: <20250704142112.1018902-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2001:4860:4864:20::2e; envelope-from=richard.henderson@linaro.org; helo=mail-oa1-x2e.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=unavailable 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1751640679422116600 Content-Type: text/plain; charset="utf-8" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/tcg/helper-sme.h | 3 +++ target/arm/tcg/sme_helper.c | 34 ++++++++++++++++++++++++---------- target/arm/tcg/translate-sme.c | 2 ++ target/arm/tcg/sme.decode | 2 ++ 4 files changed, 31 insertions(+), 10 deletions(-) diff --git a/target/arm/tcg/helper-sme.h b/target/arm/tcg/helper-sme.h index 8246ce774c..17d1a7c102 100644 --- a/target/arm/tcg/helper-sme.h +++ b/target/arm/tcg/helper-sme.h @@ -153,3 +153,6 @@ DEF_HELPER_FLAGS_6(sme_sumopa_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_6(sme_usmopa_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, ptr, i32) + +DEF_HELPER_FLAGS_6(sme2_bmopa_s, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, ptr, i32) diff --git a/target/arm/tcg/sme_helper.c b/target/arm/tcg/sme_helper.c index baeaa3e069..6122a5b5d9 100644 --- a/target/arm/tcg/sme_helper.c +++ b/target/arm/tcg/sme_helper.c @@ -1297,17 +1297,31 @@ DEF_IMOP_64(umopa_d, uint16_t, uint16_t) DEF_IMOP_64(sumopa_d, int16_t, uint16_t) DEF_IMOP_64(usmopa_d, uint16_t, int16_t) =20 -#define DEF_IMOPH(NAME, S) \ - void HELPER(sme_##NAME##_##S)(void *vza, void *vzn, void *vzm, = \ +#define DEF_IMOPH(P, NAME, S) \ + void HELPER(P##_##NAME##_##S)(void *vza, void *vzn, void *vzm, = \ void *vpn, void *vpm, uint32_t desc) = \ { do_imopa_##S(vza, vzn, vzm, vpn, vpm, desc, NAME##_##S); } =20 -DEF_IMOPH(smopa, s) -DEF_IMOPH(umopa, s) -DEF_IMOPH(sumopa, s) -DEF_IMOPH(usmopa, s) +DEF_IMOPH(sme, smopa, s) +DEF_IMOPH(sme, umopa, s) +DEF_IMOPH(sme, sumopa, s) +DEF_IMOPH(sme, usmopa, s) =20 -DEF_IMOPH(smopa, d) -DEF_IMOPH(umopa, d) -DEF_IMOPH(sumopa, d) -DEF_IMOPH(usmopa, d) +DEF_IMOPH(sme, smopa, d) +DEF_IMOPH(sme, umopa, d) +DEF_IMOPH(sme, sumopa, d) +DEF_IMOPH(sme, usmopa, d) + +static uint32_t bmopa_s(uint32_t n, uint32_t m, uint32_t a, uint8_t p, boo= l neg) +{ + uint32_t sum =3D ctpop32(~(n ^ m)); + if (neg) { + sum =3D -sum; + } + if (!(p & 1)) { + sum =3D 0; + } + return a + sum; +} + +DEF_IMOPH(sme2, bmopa, s) diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c index 7b275dd2b8..c2615f06ae 100644 --- a/target/arm/tcg/translate-sme.c +++ b/target/arm/tcg/translate-sme.c @@ -539,3 +539,5 @@ TRANS_FEAT(SMOPA_d, aa64_sme_i16i64, do_outprod, a, MO_= 64, gen_helper_sme_smopa_ TRANS_FEAT(UMOPA_d, aa64_sme_i16i64, do_outprod, a, MO_64, gen_helper_sme_= umopa_d) TRANS_FEAT(SUMOPA_d, aa64_sme_i16i64, do_outprod, a, MO_64, gen_helper_sme= _sumopa_d) TRANS_FEAT(USMOPA_d, aa64_sme_i16i64, do_outprod, a, MO_64, gen_helper_sme= _usmopa_d) + +TRANS_FEAT(BMOPA, aa64_sme2, do_outprod, a, MO_32, gen_helper_sme2_bmopa_s) diff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode index 37bd0c6198..de8d04cb87 100644 --- a/target/arm/tcg/sme.decode +++ b/target/arm/tcg/sme.decode @@ -165,3 +165,5 @@ SMOPA_d 1010000 0 11 0 ..... ... ... ..... . 0 = ... @op_64 SUMOPA_d 1010000 0 11 1 ..... ... ... ..... . 0 ... @op_64 USMOPA_d 1010000 1 11 0 ..... ... ... ..... . 0 ... @op_64 UMOPA_d 1010000 1 11 1 ..... ... ... ..... . 0 ... @op_64 + +BMOPA 1000000 0 10 0 ..... ... ... ..... . 10 .. @op_32 --=20 2.43.0