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bh=8LoZpNo6AUtjPDRlMv/iTUhqN7M0ntxBz11qfxQEXDM=; b=Tt8LhYrV9b2F+wnTiICNVKa+ua5rK801Fq/8jqmWyhGPlYd0hA5tTQF5WkFr2yQZGhwYRo DBhb8VYfJ3YYF2/j1uX6zCWdp1xNQYtpNTygg0NAXB6pvqglBGK2UEsxh40OWM5w354j7r 64dACv2/iSJae+vS6ee/qRcyXoMuVec= X-MC-Unique: OBELLo2FOou0Fet1fDSD1w-1 From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, pbonzini@redhat.com, richard.henderson@linaro.org, paul@nowt.org, qemu-devel@nongnu.org, stefanha@fmail.com, peter.maydell@linaro.org Subject: [PATCH for 7.2?] target/i386: Remove compilation errors when -Werror=maybe-uninitialized Date: Wed, 7 Dec 2022 14:24:39 +0100 Message-Id: <20221207132439.635402-1-eric.auger@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 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=170.10.133.124; envelope-from=eric.auger@redhat.com; helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, 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 @redhat.com) X-ZM-MESSAGEID: 1670419910894100001 Initialize r0-3 to avoid compilation errors when -Werror=3Dmaybe-uninitialized is used ../target/i386/ops_sse.h: In function =E2=80=98helper_vpermdq_ymm=E2=80=99: ../target/i386/ops_sse.h:2495:13: error: =E2=80=98r3=E2=80=99 may be used u= ninitialized in this function [-Werror=3Dmaybe-uninitialized] 2495 | d->Q(3) =3D r3; | ~~~~~~~~^~~~ ../target/i386/ops_sse.h:2494:13: error: =E2=80=98r2=E2=80=99 may be used u= ninitialized in this function [-Werror=3Dmaybe-uninitialized] 2494 | d->Q(2) =3D r2; | ~~~~~~~~^~~~ ../target/i386/ops_sse.h:2493:13: error: =E2=80=98r1=E2=80=99 may be used u= ninitialized in this function [-Werror=3Dmaybe-uninitialized] 2493 | d->Q(1) =3D r1; | ~~~~~~~~^~~~ ../target/i386/ops_sse.h:2492:13: error: =E2=80=98r0=E2=80=99 may be used u= ninitialized in this function [-Werror=3Dmaybe-uninitialized] 2492 | d->Q(0) =3D r0; | ~~~~~~~~^~~~ Signed-off-by: Eric Auger Fixes: 790684776861 ("target/i386: reimplement 0x0f 0x3a, add AVX") --- Am I the only one getting this? Or anything wrong in my setup. --- target/i386/ops_sse.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/ops_sse.h b/target/i386/ops_sse.h index 3cbc36a59d..b77071b8da 100644 --- a/target/i386/ops_sse.h +++ b/target/i386/ops_sse.h @@ -2451,7 +2451,7 @@ void glue(helper_vpgatherqq, SUFFIX)(CPUX86State *env, #if SHIFT >=3D 2 void helper_vpermdq_ymm(Reg *d, Reg *v, Reg *s, uint32_t order) { - uint64_t r0, r1, r2, r3; + uint64_t r0 =3D 0, r1 =3D 0, r2 =3D 0, r3 =3D 0; =20 switch (order & 3) { case 0: --=20 2.37.3