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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 028/108] target/arm: Implement SME2 SMOPS, UMOPS (2-way) Date: Fri, 4 Jul 2025 08:19:51 -0600 Message-ID: <20250704142112.1018902-29-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::30; envelope-from=richard.henderson@linaro.org; helo=mail-oa1-x30.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1751639941873116600 Content-Type: text/plain; charset="utf-8" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/tcg/helper-sme.h | 4 ++++ target/arm/tcg/sme_helper.c | 37 +++++++++++++++++++++++++--------- target/arm/tcg/translate-sme.c | 2 ++ target/arm/tcg/sme.decode | 2 ++ 4 files changed, 35 insertions(+), 10 deletions(-) diff --git a/target/arm/tcg/helper-sme.h b/target/arm/tcg/helper-sme.h index 17d1a7c102..ecd06f2cd1 100644 --- a/target/arm/tcg/helper-sme.h +++ b/target/arm/tcg/helper-sme.h @@ -156,3 +156,7 @@ DEF_HELPER_FLAGS_6(sme_usmopa_d, TCG_CALL_NO_RWG, =20 DEF_HELPER_FLAGS_6(sme2_bmopa_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_6(sme2_smopa2_s, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_6(sme2_umopa2_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 6122a5b5d9..8ce50653b4 100644 --- a/target/arm/tcg/sme_helper.c +++ b/target/arm/tcg/sme_helper.c @@ -1261,7 +1261,7 @@ static inline void do_imopa_d(uint64_t *za, uint64_t = *zn, uint64_t *zm, } } =20 -#define DEF_IMOP_32(NAME, NTYPE, MTYPE) \ +#define DEF_IMOP_8x4_32(NAME, NTYPE, MTYPE) \ static uint32_t NAME(uint32_t n, uint32_t m, uint32_t a, uint8_t p, bool n= eg) \ { = \ uint32_t sum =3D 0; = \ @@ -1274,7 +1274,7 @@ static uint32_t NAME(uint32_t n, uint32_t m, uint32_t= a, uint8_t p, bool neg) \ return neg ? a - sum : a + sum; = \ } =20 -#define DEF_IMOP_64(NAME, NTYPE, MTYPE) \ +#define DEF_IMOP_16x4_64(NAME, NTYPE, MTYPE) \ static uint64_t NAME(uint64_t n, uint64_t m, uint64_t a, uint8_t p, bool n= eg) \ { = \ uint64_t sum =3D 0; = \ @@ -1287,15 +1287,15 @@ static uint64_t NAME(uint64_t n, uint64_t m, uint64= _t a, uint8_t p, bool neg) \ return neg ? a - sum : a + sum; = \ } =20 -DEF_IMOP_32(smopa_s, int8_t, int8_t) -DEF_IMOP_32(umopa_s, uint8_t, uint8_t) -DEF_IMOP_32(sumopa_s, int8_t, uint8_t) -DEF_IMOP_32(usmopa_s, uint8_t, int8_t) +DEF_IMOP_8x4_32(smopa_s, int8_t, int8_t) +DEF_IMOP_8x4_32(umopa_s, uint8_t, uint8_t) +DEF_IMOP_8x4_32(sumopa_s, int8_t, uint8_t) +DEF_IMOP_8x4_32(usmopa_s, uint8_t, int8_t) =20 -DEF_IMOP_64(smopa_d, int16_t, int16_t) -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) +DEF_IMOP_16x4_64(smopa_d, int16_t, int16_t) +DEF_IMOP_16x4_64(umopa_d, uint16_t, uint16_t) +DEF_IMOP_16x4_64(sumopa_d, int16_t, uint16_t) +DEF_IMOP_16x4_64(usmopa_d, uint16_t, int16_t) =20 #define DEF_IMOPH(P, NAME, S) \ void HELPER(P##_##NAME##_##S)(void *vza, void *vzn, void *vzm, = \ @@ -1325,3 +1325,20 @@ static uint32_t bmopa_s(uint32_t n, uint32_t m, uint= 32_t a, uint8_t p, bool neg) } =20 DEF_IMOPH(sme2, bmopa, s) + +#define DEF_IMOP_16x2_32(NAME, NTYPE, MTYPE) \ +static uint32_t NAME(uint32_t n, uint32_t m, uint32_t a, uint8_t p, bool n= eg) \ +{ = \ + uint32_t sum =3D 0; = \ + /* Apply P to N as a mask, making the inactive elements 0. */ = \ + n &=3D expand_pred_h(p); = \ + sum +=3D (NTYPE)(n >> 0) * (MTYPE)(m >> 0); = \ + sum +=3D (NTYPE)(n >> 16) * (MTYPE)(m >> 16); = \ + return neg ? a - sum : a + sum; = \ +} + +DEF_IMOP_16x2_32(smopa2_s, int16_t, int16_t) +DEF_IMOP_16x2_32(umopa2_s, uint16_t, uint16_t) + +DEF_IMOPH(sme2, smopa2, s) +DEF_IMOPH(sme2, umopa2, s) diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c index c2615f06ae..0a863a50bf 100644 --- a/target/arm/tcg/translate-sme.c +++ b/target/arm/tcg/translate-sme.c @@ -541,3 +541,5 @@ TRANS_FEAT(SUMOPA_d, aa64_sme_i16i64, do_outprod, a, MO= _64, gen_helper_sme_sumop TRANS_FEAT(USMOPA_d, aa64_sme_i16i64, do_outprod, a, MO_64, gen_helper_sme= _usmopa_d) =20 TRANS_FEAT(BMOPA, aa64_sme2, do_outprod, a, MO_32, gen_helper_sme2_bmopa_s) +TRANS_FEAT(SMOPA2_s, aa64_sme2, do_outprod, a, MO_32, gen_helper_sme2_smop= a2_s) +TRANS_FEAT(UMOPA2_s, aa64_sme2, do_outprod, a, MO_32, gen_helper_sme2_umop= a2_s) diff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode index de8d04cb87..36f369d02a 100644 --- a/target/arm/tcg/sme.decode +++ b/target/arm/tcg/sme.decode @@ -167,3 +167,5 @@ USMOPA_d 1010000 1 11 0 ..... ... ... ..... . 0 = ... @op_64 UMOPA_d 1010000 1 11 1 ..... ... ... ..... . 0 ... @op_64 =20 BMOPA 1000000 0 10 0 ..... ... ... ..... . 10 .. @op_32 +SMOPA2_s 1010000 0 10 0 ..... ... ... ..... . 10 .. @op_32 +UMOPA2_s 1010000 1 10 0 ..... ... ... ..... . 10 .. @op_32 --=20 2.43.0