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Fri, 04 Jul 2025 07:28:49 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, peter.maydell@linaro.org Subject: [PATCH v4 091/108] target/arm: Implement ZIPQ, UZPQ for SME2p1/SVE2p1 Date: Fri, 4 Jul 2025 08:20:54 -0600 Message-ID: <20250704142112.1018902-92-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::29; envelope-from=richard.henderson@linaro.org; helo=mail-oa1-x29.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: 1751640251415116600 Content-Type: text/plain; charset="utf-8" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/tcg/helper-sve.h | 10 ++++++++++ target/arm/tcg/sve_helper.c | 29 +++++++++++++++++++++++++++++ target/arm/tcg/translate-sve.c | 19 ++++++++++++++++++- target/arm/tcg/sve.decode | 6 ++++++ 4 files changed, 63 insertions(+), 1 deletion(-) diff --git a/target/arm/tcg/helper-sve.h b/target/arm/tcg/helper-sve.h index 04b9545c11..0f510ea610 100644 --- a/target/arm/tcg/helper-sve.h +++ b/target/arm/tcg/helper-sve.h @@ -701,12 +701,22 @@ DEF_HELPER_FLAGS_4(sve_zip_s, TCG_CALL_NO_RWG, void, = ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_zip_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve2_zip_q, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) =20 +DEF_HELPER_FLAGS_4(sve2p1_zipq_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i3= 2) +DEF_HELPER_FLAGS_4(sve2p1_zipq_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i3= 2) +DEF_HELPER_FLAGS_4(sve2p1_zipq_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i3= 2) +DEF_HELPER_FLAGS_4(sve2p1_zipq_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i3= 2) + DEF_HELPER_FLAGS_4(sve_uzp_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_uzp_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_uzp_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_uzp_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve2_uzp_q, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) =20 +DEF_HELPER_FLAGS_4(sve2p1_uzpq_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i3= 2) +DEF_HELPER_FLAGS_4(sve2p1_uzpq_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i3= 2) +DEF_HELPER_FLAGS_4(sve2p1_uzpq_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i3= 2) +DEF_HELPER_FLAGS_4(sve2p1_uzpq_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i3= 2) + DEF_HELPER_FLAGS_4(sve_trn_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_trn_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_trn_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) diff --git a/target/arm/tcg/sve_helper.c b/target/arm/tcg/sve_helper.c index a9dc3c44b2..dbbfbc12b9 100644 --- a/target/arm/tcg/sve_helper.c +++ b/target/arm/tcg/sve_helper.c @@ -3550,6 +3550,35 @@ DO_UZP(sve_uzp_s, uint32_t, H1_4) DO_UZP(sve_uzp_d, uint64_t, H1_8) DO_UZP(sve2_uzp_q, Int128, ) =20 +typedef void perseg_zzz_fn(void *vd, void *vn, void *vm, uint32_t desc); + +static void do_perseg_zzz(void *vd, void *vn, void *vm, + uint32_t desc, perseg_zzz_fn *fn) +{ + intptr_t oprsz =3D simd_oprsz(desc); + + desc =3D simd_desc(16, 16, simd_data(desc)); + for (intptr_t i =3D 0; i < oprsz; i +=3D 16) { + fn(vd + i, vn + i, vm + i, desc); + } +} + +#define DO_PERSEG_ZZZ(NAME, FUNC) \ + void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \ + { do_perseg_zzz(vd, vn, vm, desc, FUNC); } + +DO_PERSEG_ZZZ(sve2p1_uzpq_b, helper_sve_uzp_b) +DO_PERSEG_ZZZ(sve2p1_uzpq_h, helper_sve_uzp_h) +DO_PERSEG_ZZZ(sve2p1_uzpq_s, helper_sve_uzp_s) +DO_PERSEG_ZZZ(sve2p1_uzpq_d, helper_sve_uzp_d) + +DO_PERSEG_ZZZ(sve2p1_zipq_b, helper_sve_zip_b) +DO_PERSEG_ZZZ(sve2p1_zipq_h, helper_sve_zip_h) +DO_PERSEG_ZZZ(sve2p1_zipq_s, helper_sve_zip_s) +DO_PERSEG_ZZZ(sve2p1_zipq_d, helper_sve_zip_d) + +#undef DO_PERSEG_ZZZ + #define DO_TRN(NAME, TYPE, H) \ void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \ { \ diff --git a/target/arm/tcg/translate-sve.c b/target/arm/tcg/translate-sve.c index 01c4eaa585..28cfcb9cb4 100644 --- a/target/arm/tcg/translate-sve.c +++ b/target/arm/tcg/translate-sve.c @@ -2606,11 +2606,19 @@ TRANS_FEAT_NONSTREAMING(ZIP2_q, aa64_sve_f64mm, do_= interleave_q, gen_helper_sve2_zip_q, a, QEMU_ALIGN_DOWN(vec_full_reg_size(s), 32) / 2) =20 +static gen_helper_gvec_3 * const zipq_fns[4] =3D { + gen_helper_sve2p1_zipq_b, gen_helper_sve2p1_zipq_h, + gen_helper_sve2p1_zipq_s, gen_helper_sve2p1_zipq_d, +}; +TRANS_FEAT(ZIPQ1, aa64_sme2p1_or_sve2p1, gen_gvec_ool_arg_zzz, + zipq_fns[a->esz], a, 0) +TRANS_FEAT(ZIPQ2, aa64_sme2p1_or_sve2p1, gen_gvec_ool_arg_zzz, + zipq_fns[a->esz], a, 16 / 2) + static gen_helper_gvec_3 * const uzp_fns[4] =3D { gen_helper_sve_uzp_b, gen_helper_sve_uzp_h, gen_helper_sve_uzp_s, gen_helper_sve_uzp_d, }; - TRANS_FEAT(UZP1_z, aa64_sve, gen_gvec_ool_arg_zzz, uzp_fns[a->esz], a, 0) TRANS_FEAT(UZP2_z, aa64_sve, gen_gvec_ool_arg_zzz, @@ -2621,6 +2629,15 @@ TRANS_FEAT_NONSTREAMING(UZP1_q, aa64_sve_f64mm, do_i= nterleave_q, TRANS_FEAT_NONSTREAMING(UZP2_q, aa64_sve_f64mm, do_interleave_q, gen_helper_sve2_uzp_q, a, 16) =20 +static gen_helper_gvec_3 * const uzpq_fns[4] =3D { + gen_helper_sve2p1_uzpq_b, gen_helper_sve2p1_uzpq_h, + gen_helper_sve2p1_uzpq_s, gen_helper_sve2p1_uzpq_d, +}; +TRANS_FEAT(UZPQ1, aa64_sme2p1_or_sve2p1, gen_gvec_ool_arg_zzz, + uzpq_fns[a->esz], a, 0) +TRANS_FEAT(UZPQ2, aa64_sme2p1_or_sve2p1, gen_gvec_ool_arg_zzz, + uzpq_fns[a->esz], a, 1 << a->esz) + static gen_helper_gvec_3 * const trn_fns[4] =3D { gen_helper_sve_trn_b, gen_helper_sve_trn_h, gen_helper_sve_trn_s, gen_helper_sve_trn_d, diff --git a/target/arm/tcg/sve.decode b/target/arm/tcg/sve.decode index 3271c9cf78..e98275eec1 100644 --- a/target/arm/tcg/sve.decode +++ b/target/arm/tcg/sve.decode @@ -657,6 +657,12 @@ UZP2_q 00000101 10 1 ..... 000 011 ..... ....= . @rd_rn_rm_e0 TRN1_q 00000101 10 1 ..... 000 110 ..... ..... @rd_rn_rm_= e0 TRN2_q 00000101 10 1 ..... 000 111 ..... ..... @rd_rn_rm_= e0 =20 +# SVE2.1 permute vector elements (quadwords) +ZIPQ1 01000100 .. 0 ..... 111 000 ..... ..... @rd_rn_rm +ZIPQ2 01000100 .. 0 ..... 111 001 ..... ..... @rd_rn_rm +UZPQ1 01000100 .. 0 ..... 111 010 ..... ..... @rd_rn_rm +UZPQ2 01000100 .. 0 ..... 111 011 ..... ..... @rd_rn_rm + ### SVE Permute - Predicated Group =20 # SVE compress active elements --=20 2.43.0