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bh=ltq03TKZL/LdX8GTleyhnVIGs55uo5XEaqF0AOlLvV0=; b=fU8KsCpFetJqdxWdUktTW59FDtDAtdkvbaPW563XThkSnDGI7SK6W13azmK8OdiyZQ/Vwc ediALuE8hDnhECMVRHHtit5mEZoS/9DS6wvayui/2yRtves2xlvzVTB/giIva8uZR3RTBe IS6EJf0VBul+9ARSjWydp1znoCrPkXI= X-MC-Unique: AlYhYCRdPJqpgl1YsvBLFw-1 From: Thomas Huth To: qemu-devel@nongnu.org, Richard Henderson Cc: Ilya Leoshkevich , David Hildenbrand Subject: [PULL 12/21] tests/tcg/s390x: Test MDEB and MDEBR Date: Mon, 10 Jul 2023 14:15:34 +0200 Message-Id: <20230710121543.197250-13-thuth@redhat.com> In-Reply-To: <20230710121543.197250-1-thuth@redhat.com> References: <20230710121543.197250-1-thuth@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 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=170.10.129.124; envelope-from=thuth@redhat.com; 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Signed-off-by: Ilya Leoshkevich Acked-by: David Hildenbrand Message-Id: <20230704081506.276055-12-iii@linux.ibm.com> Signed-off-by: Thomas Huth --- tests/tcg/s390x/mdeb.c | 30 ++++++++++++++++++++++++++++++ tests/tcg/s390x/Makefile.target | 1 + 2 files changed, 31 insertions(+) create mode 100644 tests/tcg/s390x/mdeb.c diff --git a/tests/tcg/s390x/mdeb.c b/tests/tcg/s390x/mdeb.c new file mode 100644 index 0000000000..4897d28069 --- /dev/null +++ b/tests/tcg/s390x/mdeb.c @@ -0,0 +1,30 @@ +/* + * Test the MDEB and MDEBR instructions. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include + +int main(void) +{ + union { + float f[2]; + double d; + } a; + float b; + + a.f[0] =3D 1.2345; + a.f[1] =3D 999; + b =3D 6.789; + asm("mdeb %[a],%[b]" : [a] "+f" (a.d) : [b] "R" (b)); + assert(a.d > 8.38 && a.d < 8.39); + + a.f[0] =3D 1.2345; + a.f[1] =3D 999; + b =3D 6.789; + asm("mdebr %[a],%[b]" : [a] "+f" (a.d) : [b] "f" (b)); + assert(a.d > 8.38 && a.d < 8.39); + + return EXIT_SUCCESS; +} diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.tar= get index dbf64c991e..19fbbc6e53 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -38,6 +38,7 @@ TESTS+=3Dex-branch TESTS+=3Dmxdb TESTS+=3Depsw TESTS+=3Dlarl +TESTS+=3Dmdeb =20 cdsg: CFLAGS+=3D-pthread cdsg: LDFLAGS+=3D-pthread --=20 2.39.3