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Fri, 04 Jul 2025 09:26:24 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 085/119] target/arm: Split out do_whilel from helper_sve_whilel Date: Fri, 4 Jul 2025 17:24:25 +0100 Message-ID: <20250704162501.249138-86-peter.maydell@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250704162501.249138-1-peter.maydell@linaro.org> References: <20250704162501.249138-1-peter.maydell@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=2a00:1450:4864:20::434; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x434.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: 1751646578906116600 Content-Type: text/plain; charset="utf-8" From: Richard Henderson Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson Message-id: 20250704142112.1018902-74-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- target/arm/tcg/sve_helper.c | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/target/arm/tcg/sve_helper.c b/target/arm/tcg/sve_helper.c index a62a647f3ae..741d04309c8 100644 --- a/target/arm/tcg/sve_helper.c +++ b/target/arm/tcg/sve_helper.c @@ -4107,19 +4107,14 @@ static uint32_t pred_count_test(uint32_t elements, = uint32_t count, bool invert) return flags; } =20 -uint32_t HELPER(sve_whilel)(void *vd, uint32_t count, uint32_t pred_desc) +/* D must be cleared on entry. */ +static void do_whilel(ARMPredicateReg *d, uint64_t esz_mask, + uint32_t count, uint32_t oprbits) { - intptr_t oprsz =3D FIELD_EX32(pred_desc, PREDDESC, OPRSZ); - intptr_t esz =3D FIELD_EX32(pred_desc, PREDDESC, ESZ); - uint64_t esz_mask =3D pred_esz_masks[esz]; - ARMPredicateReg *d =3D vd; - intptr_t i, oprbits =3D oprsz * 8; - tcg_debug_assert(count <=3D oprbits); - - /* Begin with a zero predicate register. */ - memset(d, 0, sizeof(*d)); if (count) { + uint32_t i; + /* Set all of the requested bits. */ for (i =3D 0; i < count / 64; ++i) { d->p[i] =3D esz_mask; @@ -4128,7 +4123,18 @@ uint32_t HELPER(sve_whilel)(void *vd, uint32_t count= , uint32_t pred_desc) d->p[i] =3D MAKE_64BIT_MASK(0, count & 63) & esz_mask; } } +} =20 +uint32_t HELPER(sve_whilel)(void *vd, uint32_t count, uint32_t pred_desc) +{ + uint32_t oprsz =3D FIELD_EX32(pred_desc, PREDDESC, OPRSZ); + uint32_t esz =3D FIELD_EX32(pred_desc, PREDDESC, ESZ); + uint32_t oprbits =3D oprsz * 8; + uint64_t esz_mask =3D pred_esz_masks[esz]; + ARMPredicateReg *d =3D vd; + + memset(d, 0, sizeof(*d)); + do_whilel(d, esz_mask, count, oprbits); return pred_count_test(oprbits, count, false); } =20 --=20 2.43.0