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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.156.1; envelope-from=iii@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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 @ibm.com) X-ZM-MESSAGEID: 1704965106524100001 Content-Type: text/plain; charset="utf-8" Add a small test to prevent regressions. Userspace runs in primary mode, so LAE should always set the access register to 0. Signed-off-by: Ilya Leoshkevich --- tests/tcg/s390x/Makefile.target | 1 + tests/tcg/s390x/lae.c | 31 +++++++++++++++++++++++++++++++ 2 files changed, 32 insertions(+) create mode 100644 tests/tcg/s390x/lae.c diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.tar= get index 0e670f3f8b9..30994dcf9c2 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -44,6 +44,7 @@ TESTS+=3Dclgebr TESTS+=3Dclc TESTS+=3Dlaalg TESTS+=3Dadd-logical-with-carry +TESTS+=3Dlae =20 cdsg: CFLAGS+=3D-pthread cdsg: LDFLAGS+=3D-pthread diff --git a/tests/tcg/s390x/lae.c b/tests/tcg/s390x/lae.c new file mode 100644 index 00000000000..59712b5e371 --- /dev/null +++ b/tests/tcg/s390x/lae.c @@ -0,0 +1,31 @@ +/* + * Test the LOAD ADDRESS EXTENDED instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include + +int main(void) +{ + unsigned long long ar =3D -1, b2 =3D 100000, r, x2 =3D 500; + /* + * Hardcode the register number, since clang does not allow using %rN = in + * place of %aN. + */ + register unsigned long long r2 __asm__("2"); + int tmp; + + asm("ear %[tmp],%%a2\n" + "lae %%r2,42(%[x2],%[b2])\n" + "ear %[ar],%%a2\n" + "sar %%a2,%[tmp]" + : [tmp] "=3D&r" (tmp), "=3D&r" (r2), [ar] "+r" (ar) + : [b2] "r" (b2), [x2] "r" (x2) + : "memory"); + r =3D r2; + assert(ar =3D=3D 0xffffffff00000000ULL); + assert(r =3D=3D 100542); + + return EXIT_SUCCESS; +} --=20 2.43.0