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Wed, 02 Jul 2025 05:38:09 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, peter.maydell@linaro.org Subject: [PATCH v3 45/97] target/arm: Implement SME2 SCVTF, UCVTF Date: Wed, 2 Jul 2025 06:33:18 -0600 Message-ID: <20250702123410.761208-46-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250702123410.761208-1-richard.henderson@linaro.org> References: <20250702123410.761208-1-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: 1751464288192116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/tcg/helper-sme.h | 2 ++ target/arm/tcg/sme_helper.c | 22 ++++++++++++++++++++++ target/arm/tcg/translate-sme.c | 5 +++++ target/arm/tcg/sme.decode | 5 +++++ 4 files changed, 34 insertions(+) diff --git a/target/arm/tcg/helper-sme.h b/target/arm/tcg/helper-sme.h index be4621f2d9..6314ad7e01 100644 --- a/target/arm/tcg/helper-sme.h +++ b/target/arm/tcg/helper-sme.h @@ -219,3 +219,5 @@ DEF_HELPER_FLAGS_4(sme2_fcvt_n, TCG_CALL_NO_RWG, void, = ptr, ptr, fpst, i32) DEF_HELPER_FLAGS_4(sme2_fcvtn, TCG_CALL_NO_RWG, void, ptr, ptr, fpst, i32) DEF_HELPER_FLAGS_4(sme2_fcvt_w, TCG_CALL_NO_RWG, void, ptr, ptr, fpst, i32) DEF_HELPER_FLAGS_4(sme2_fcvtl, TCG_CALL_NO_RWG, void, ptr, ptr, fpst, i32) +DEF_HELPER_FLAGS_4(sme2_scvtf, TCG_CALL_NO_RWG, void, ptr, ptr, fpst, i32) +DEF_HELPER_FLAGS_4(sme2_ucvtf, TCG_CALL_NO_RWG, void, ptr, ptr, fpst, i32) diff --git a/target/arm/tcg/sme_helper.c b/target/arm/tcg/sme_helper.c index b0e1fe845b..d69d57c4cb 100644 --- a/target/arm/tcg/sme_helper.c +++ b/target/arm/tcg/sme_helper.c @@ -1629,3 +1629,25 @@ void HELPER(sme2_fcvtl)(void *vd, void *vs, float_st= atus *fpst, uint32_t desc) d1[H4(i)] =3D v1; } } + +void HELPER(sme2_scvtf)(void *vd, void *vs, float_status *fpst, uint32_t d= esc) +{ + size_t i, n =3D simd_oprsz(desc) / 4; + int32_t *d =3D vd; + float32 *s =3D vs; + + for (i =3D 0; i < n; ++i) { + d[i] =3D int32_to_float32(s[i], fpst); + } +} + +void HELPER(sme2_ucvtf)(void *vd, void *vs, float_status *fpst, uint32_t d= esc) +{ + size_t i, n =3D simd_oprsz(desc) / 4; + uint32_t *d =3D vd; + float32 *s =3D vs; + + for (i =3D 0; i < n; ++i) { + d[i] =3D uint32_to_float32(s[i], fpst); + } +} diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c index 3bf2b6935f..dce3b56de2 100644 --- a/target/arm/tcg/translate-sme.c +++ b/target/arm/tcg/translate-sme.c @@ -1370,3 +1370,8 @@ TRANS_FEAT(FCVTZS, aa64_sme2, do_zz_fpst, a, 0, FPST_A64, gen_helper_gvec_vcvt_rz_fs) TRANS_FEAT(FCVTZU, aa64_sme2, do_zz_fpst, a, 0, FPST_A64, gen_helper_gvec_vcvt_rz_fu) + +TRANS_FEAT(SCVTF, aa64_sme2, do_zz_fpst, a, 0, + FPST_A64, gen_helper_sme2_scvtf) +TRANS_FEAT(UCVTF, aa64_sme2, do_zz_fpst, a, 0, + FPST_A64, gen_helper_sme2_ucvtf) diff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode index 79df2dcd2b..449d97bd28 100644 --- a/target/arm/tcg/sme.decode +++ b/target/arm/tcg/sme.decode @@ -746,3 +746,8 @@ FCVTZS 11000001 001 00001 111000 ....0 ....0 = @zz_2x2 FCVTZS 11000001 001 10001 111000 ...00 ...00 @zz_4x4 FCVTZU 11000001 001 00001 111000 ....1 ....0 @zz_2x2 FCVTZU 11000001 001 10001 111000 ...01 ...00 @zz_4x4 + +SCVTF 11000001 001 00010 111000 ....0 ....0 @zz_2x2 +SCVTF 11000001 001 10010 111000 ...00 ...00 @zz_4x4 +UCVTF 11000001 001 00010 111000 ....1 ....0 @zz_2x2 +UCVTF 11000001 001 10010 111000 ...01 ...00 @zz_4x4 --=20 2.43.0