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Fri, 04 Jul 2025 07:25:19 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, peter.maydell@linaro.org Subject: [PATCH v4 060/108] target/arm: Implement SQCVTN, UQCVTN, SQCVTUN for SME2/SVE2p1 Date: Fri, 4 Jul 2025 08:20:23 -0600 Message-ID: <20250704142112.1018902-61-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=2607:f8b0:4864:20::329; envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x329.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: 1751640330657116600 Content-Type: text/plain; charset="utf-8" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/tcg/translate-sve.c | 7 +++++++ target/arm/tcg/sve.decode | 20 ++++++++++++++++---- 2 files changed, 23 insertions(+), 4 deletions(-) diff --git a/target/arm/tcg/translate-sve.c b/target/arm/tcg/translate-sve.c index 10261e25f9..ac4dc7db46 100644 --- a/target/arm/tcg/translate-sve.c +++ b/target/arm/tcg/translate-sve.c @@ -7427,3 +7427,10 @@ static void gen_uclamp(unsigned vece, uint32_t d, ui= nt32_t n, uint32_t m, } =20 TRANS_FEAT(UCLAMP, aa64_sme, gen_gvec_fn_arg_zzzz, gen_uclamp, a) + +TRANS_FEAT(SQCVTN_sh, aa64_sme2_or_sve2p1, gen_gvec_ool_zz, + gen_helper_sme2_sqcvtn_sh, a->rd, a->rn, 0) +TRANS_FEAT(UQCVTN_sh, aa64_sme2_or_sve2p1, gen_gvec_ool_zz, + gen_helper_sme2_uqcvtn_sh, a->rd, a->rn, 0) +TRANS_FEAT(SQCVTUN_sh, aa64_sme2_or_sve2p1, gen_gvec_ool_zz, + gen_helper_sme2_sqcvtun_sh, a->rd, a->rn, 0) diff --git a/target/arm/tcg/sve.decode b/target/arm/tcg/sve.decode index 83c259def6..f808362f23 100644 --- a/target/arm/tcg/sve.decode +++ b/target/arm/tcg/sve.decode @@ -57,6 +57,8 @@ # as propagated via the MOVPRFX instruction. %reg_movprfx 0:5 =20 +%rn_ax2 6:4 !function=3Dtimes_2 + ########################################################################### # Named attribute sets. These are used to make nice(er) names # when creating helpers common to those for the individual @@ -102,6 +104,7 @@ # Two operand @pd_pn ........ esz:2 .. .... ....... rn:4 . rd:4 &rr_esz @rd_rn ........ esz:2 ...... ...... rn:5 rd:5 &rr_esz +@rd_rnx2 ........ ... ..... ...... ..... rd:5 &rr_esz rn= =3D%rn_ax2 =20 # Two operand with governing predicate, flags setting @pd_pg_pn_s ........ . s:1 ...... .. pg:4 . rn:4 . rd:4 &rpr_s @@ -1507,13 +1510,22 @@ UABA 01000101 .. 0 ..... 11111 1 ..... .= .... @rd_rn_rm #### SVE2 Narrowing =20 ## SVE2 saturating extract narrow - # Bits 23, 18-16 are zero, limited in the translator via esz < 3 & imm =3D= =3D 0. -SQXTNB 01000101 .. 1 ..... 010 000 ..... ..... @rd_rn_tszimm_shl + +{ + SQCVTN_sh 01000101 00 1 10001 010 000 ....0 ..... @rd_rnx2 esz=3D1 + SQXTNB 01000101 .. 1 ..... 010 000 ..... ..... @rd_rn_tszimm_shl +} SQXTNT 01000101 .. 1 ..... 010 001 ..... ..... @rd_rn_tszimm_shl -UQXTNB 01000101 .. 1 ..... 010 010 ..... ..... @rd_rn_tszimm_shl +{ + UQCVTN_sh 01000101 00 1 10001 010 010 ....0 ..... @rd_rnx2 esz=3D1 + UQXTNB 01000101 .. 1 ..... 010 010 ..... ..... @rd_rn_tszimm_shl +} UQXTNT 01000101 .. 1 ..... 010 011 ..... ..... @rd_rn_tszimm_shl -SQXTUNB 01000101 .. 1 ..... 010 100 ..... ..... @rd_rn_tszimm_shl +{ + SQCVTUN_sh 01000101 00 1 10001 010 100 ....0 ..... @rd_rnx2 esz=3D1 + SQXTUNB 01000101 .. 1 ..... 010 100 ..... ..... @rd_rn_tszimm_shl +} SQXTUNT 01000101 .. 1 ..... 010 101 ..... ..... @rd_rn_tszimm_shl =20 ## SVE2 bitwise shift right narrow --=20 2.43.0