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Date: Fri, 26 Jul 2024 09:53:27 +1000 Message-ID: <20240725235410.451624-55-npiggin@gmail.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240725235410.451624-1-npiggin@gmail.com> References: <20240725235410.451624-1-npiggin@gmail.com> 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::52d; envelope-from=npiggin@gmail.com; helo=mail-pg1-x52d.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, FREEMAIL_FROM=0.001, 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 @gmail.com) X-ZM-MESSAGEID: 1721952576351116600 Content-Type: text/plain; charset="utf-8" From: Chinmay Rath No need for a full comparison; xor produces non-zero bits for QC just fine. Suggested-by: Richard Henderson Signed-off-by: Chinmay Rath Reviewed-by: Richard Henderson Signed-off-by: Nicholas Piggin --- target/ppc/translate/vmx-impl.c.inc | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx= -impl.c.inc index fdb283c1d4..152bcde0e3 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -2876,15 +2876,15 @@ TRANS(VADDCUW, do_vx_vaddsubcuw, 1) /* Integer Add/Sub Saturate Instructions */ static inline void do_vadd_vsub_sat ( - unsigned vece, TCGv_vec t, TCGv_vec sat, TCGv_vec a, TCGv_vec b, + unsigned vece, TCGv_vec t, TCGv_vec qc, TCGv_vec a, TCGv_vec b, void (*norm_op)(unsigned, TCGv_vec, TCGv_vec, TCGv_vec), void (*sat_op)(unsigned, TCGv_vec, TCGv_vec, TCGv_vec)) { TCGv_vec x =3D tcg_temp_new_vec_matching(t); norm_op(vece, x, a, b); sat_op(vece, t, a, b); - tcg_gen_cmp_vec(TCG_COND_NE, vece, x, x, t); - tcg_gen_or_vec(vece, sat, sat, x); + tcg_gen_xor_vec(vece, x, x, t); + tcg_gen_or_vec(vece, qc, qc, x); } =20 static void gen_vadd_sat_u(unsigned vece, TCGv_vec t, TCGv_vec sat, @@ -2916,16 +2916,16 @@ static void gen_vsub_sat_s(unsigned vece, TCGv_vec = t, TCGv_vec sat, * GVecGen4 struct variants. */ static const TCGOpcode vecop_list_sub_u[] =3D { - INDEX_op_sub_vec, INDEX_op_ussub_vec, INDEX_op_cmp_vec, 0 + INDEX_op_sub_vec, INDEX_op_ussub_vec, 0 }; static const TCGOpcode vecop_list_sub_s[] =3D { - INDEX_op_sub_vec, INDEX_op_sssub_vec, INDEX_op_cmp_vec, 0 + INDEX_op_sub_vec, INDEX_op_sssub_vec, 0 }; static const TCGOpcode vecop_list_add_u[] =3D { - INDEX_op_add_vec, INDEX_op_usadd_vec, INDEX_op_cmp_vec, 0 + INDEX_op_add_vec, INDEX_op_usadd_vec, 0 }; static const TCGOpcode vecop_list_add_s[] =3D { - INDEX_op_add_vec, INDEX_op_ssadd_vec, INDEX_op_cmp_vec, 0 + INDEX_op_add_vec, INDEX_op_ssadd_vec, 0 }; =20 static const GVecGen4 op_vsububs =3D { --=20 2.45.2