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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.180.131; envelope-from=tsimpson@quicinc.com; helo=mx0b-0031df01.pphosted.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, 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" X-ZohoMail-DKIM: pass (identity @quicinc.com) X-ZM-MESSAGEID: 1658858733900100001 > -----Original Message----- > From: Richard Henderson > Sent: Tuesday, July 26, 2022 11:42 AM > To: Taylor Simpson > Cc: qemu-devel > Subject: Re: hexagon docker test failure >=20 > On 7/26/22 10:23, Taylor Simpson wrote: > > > >> -----Original Message----- > >> From: Richard Henderson > >> Sent: Tuesday, July 26, 2022 10:41 AM > >> To: Taylor Simpson > >> Cc: qemu-devel > >> Subject: hexagon docker test failure > >> > >> Hi Taylor, > >> > >> One of your recent hexagon testsuite changes is incompatible with the > >> docker image that we're using: > >> > >> tests/tcg/hexagon/multi_result.c:79:16: error: invalid instruction > >> > >> asm volatile("%0,p0 =3D vminub(%2, %3)\n\t" > >> > >> ^ > >> > >> :1:2: note: instantiated into assembly here > >> > >> r3:2,p0 =3D vminub(r1:0, r3:2) > >> > >> ^ > >> > >> 1 error generated. > >> > >> > >> Can we try again to update debian-hexagon-cross? I recall that last > >> time there was a compiler bug that prevented forward progress. > >> Perhaps that has been fixed in the interim? > >> > >> I'm willing to accept such an update in the next week before rc1, but > >> if we can't manage that we'll need to disable the failing test(s?). > >> Thanks in advance, > >> > >> > >> r~ > > > > Hi Richard, > > > > Some of the tests require the -mv67 flag to be passed to the compiler > because they have instructions that are new in v67. > > > > This patch > > commit cd362defbbd09cbbc08b3bb465141542887b8cef > > Author: Paolo Bonzini > > Date: Fri May 27 16:35:48 2022 +0100 > > > > tests/tcg: merge configure.sh back into main configure script > > > > Moved this line from tests/tcg/configure.sh to the main configure > > script > > : ${cross_cc_cflags_hexagon=3D"-mv67 -O2 -static"} > > > > > > However, those flags aren't actually passed to the compiler any more - = at > least by default. > > > > The gitlab builder is passing > > https://gitlab.com/qemu-project/qemu/-/jobs/2771528066 > > So, there must be something in $MAKE_CHECK_ARGS > > > > I use the following when I run > > make EXTRA_CFLAGS=3D'-mv67 -O2' check-tcg > > > > > > So, we probably don't need a new docker image. Do other targets have > their cross_cc_cflags? Please advise. >=20 > Oooh, that's easy. Just modify CFLAGS in > tests/tcg/hexagon/Makefile.target. >=20 > I've just tested >=20 > --- a/tests/tcg/hexagon/Makefile.target >=20 > +++ b/tests/tcg/hexagon/Makefile.target >=20 > @@ -19,7 +19,7 @@ >=20 > EXTRA_RUNS =3D >=20 >=20 >=20 > CFLAGS +=3D -Wno-incompatible-pointer-types -Wno-undefined-internal >=20 > -CFLAGS +=3D -fno-unroll-loops >=20 > +CFLAGS +=3D -fno-unroll-loops -mv67 -O2 >=20 >=20 >=20 > HEX_SRC=3D$(SRC_PATH)/tests/tcg/hexagon >=20 > VPATH +=3D $(HEX_SRC) >=20 >=20 > and it now builds, but I see a runtime error: >=20 > timeout --foreground 90 /home/rth/qemu/bld/qemu-hexagon misc > > misc.out >=20 > make[1]: *** [../Makefile.target:158: run-misc] Error 1 >=20 > $ cat ./tests/tcg/hexagon-linux-user/misc.out >=20 > ERROR: 0x0007 !=3D 0x001f >=20 > FAIL >=20 >=20 > Any ideas there? That's because misc requires -O2 (don't remember why). When you put -O2 in= CFLAGS, it gets overridden. Here's the command that gets used - notice th= e -O0 after the -O2. /local/mnt/workspace/qemu-series/qemu/tests/docker/docker.py --engine auto = cc --cc hexagon-unknown-linux-musl-clang -i qemu/debian-hexagon-cross -s /l= ocal/mnt/workspace/qemu-series/qemu -- -Wno-incompatible-pointer-types -Wn= o-undefined-internal -fno-unroll-loops -mv68 -O2 -Wall -Werror -O0 -g -fno-= strict-aliasing /local/mnt/workspace/qemu-series/qemu/tests/tcg/hexagon/mi= sc.c -o misc -static So, instead of putting those in CFLAGS, put them in EXTRA_CFLAGS. --- a/tests/tcg/hexagon/Makefile.target +++ b/tests/tcg/hexagon/Makefile.target @@ -20,6 +20,7 @@ EXTRA_RUNS =3D =20 CFLAGS +=3D -Wno-incompatible-pointer-types -Wno-undefined-internal CFLAGS +=3D -fno-unroll-loops +EXTRA_CFLAGS +=3D -mv67 -O2 =20 HEX_SRC=3D$(SRC_PATH)/tests/tcg/hexagon VPATH +=3D $(HEX_SRC) Do I understand correctly that putting the flags in Makefile.target is the = proper way and cross_cc_cflags is obsolete? If so, I'll send the above as = a patch. Thanks, Taylor