From: Paolo Bonzini <pbonzini@redhat.com>
To: eric.auger@redhat.com, qemu-devel@nongnu.org
Cc: Stefan Weil <sw@weilnetz.de>
Subject: Re: [PULL 06/29] target/i386: Remove compilation errors when -Werror=maybe-uninitialized
Date: Wed, 11 Jan 2023 10:18:29 +0100 [thread overview]
Message-ID: <435b0b4d-ea27-fe83-015e-c8b8bbe6d210@redhat.com> (raw)
In-Reply-To: <47e506b7-d364-284a-fc11-69ee64045d6b@redhat.com>
On 1/10/23 18:19, Eric Auger wrote:
> Hi Paolo,
>
> On 1/10/23 17:02, Paolo Bonzini wrote:
>> From: Eric Auger <eric.auger@redhat.com>
>>
>> To avoid compilation errors when -Werror=maybe-uninitialized is used,
>> replace 'case 3' by 'default'.
>>
>> Otherwise we get:
>>
>> ../target/i386/ops_sse.h: In function ‘helper_vpermdq_ymm’:
>> ../target/i386/ops_sse.h:2495:13: error: ‘r3’ may be used
>> uninitialized in this function [-Werror=maybe-uninitialized]
>> 2495 | d->Q(3) = r3;
>> | ~~~~~~~~^~~~
>> ../target/i386/ops_sse.h:2494:13: error: ‘r2’ may be used
>> uninitialized in this function [-Werror=maybe-uninitialized]
>> 2494 | d->Q(2) = r2;
>> | ~~~~~~~~^~~~
>> ../target/i386/ops_sse.h:2493:13: error: ‘r1’ may be used
>> uninitialized in this function [-Werror=maybe-uninitialized]
>> 2493 | d->Q(1) = r1;
>> | ~~~~~~~~^~~~
>> ../target/i386/ops_sse.h:2492:13: error: ‘r0’ may be used
>> uninitialized in this function [-Werror=maybe-uninitialized]
>> 2492 | d->Q(0) = r0;
>> | ~~~~~~~~^~~~
>>
>> Signed-off-by: Eric Auger <eric.auger@redhat.com>
>> Suggested-by: Stefan Weil <sw@weilnetz.de>
>> Fixes: 790684776861 ("target/i386: reimplement 0x0f 0x3a, add AVX")
>> Message-Id: <20221221163652.1239362-1-eric.auger@redhat.com>
>> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
>
> you pulled v1 but there were additional comments afterwards and last
> iteration was:
> https://lore.kernel.org/all/20221222140158.1260748-1-eric.auger@redhat.com/
Ok, since I have to respin I will replace. Thanks!
Paolo
next prev parent reply other threads:[~2023-01-11 9:19 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-10 16:02 [PULL 00/29] Misc patches for 2023-01-10 Paolo Bonzini
2023-01-10 16:02 ` [PULL 01/29] configure: fix GLIB_VERSION for cross-compilation Paolo Bonzini
2023-01-10 16:02 ` [PULL 02/29] i386: Emit correct error code for 64-bit IDT entry Paolo Bonzini
2023-01-10 16:02 ` [PULL 03/29] accel: introduce accelerator blocker API Paolo Bonzini
2023-01-10 16:02 ` [PULL 04/29] KVM: keep track of running ioctls Paolo Bonzini
2023-01-10 16:02 ` [PULL 05/29] kvm: Atomic memslot updates Paolo Bonzini
2023-01-10 16:02 ` [PULL 06/29] target/i386: Remove compilation errors when -Werror=maybe-uninitialized Paolo Bonzini
2023-01-10 17:19 ` Eric Auger
2023-01-11 9:18 ` Paolo Bonzini [this message]
2023-01-11 10:03 ` Philippe Mathieu-Daudé
2023-01-10 16:02 ` [PULL 07/29] chardev: clean up chardev-parallel.c Paolo Bonzini
2023-01-10 16:02 ` [PULL 08/29] gitlab: remove redundant setting of PKG_CONFIG_PATH Paolo Bonzini
2023-01-10 16:40 ` Daniel P. Berrangé
2023-01-11 9:20 ` Paolo Bonzini
2023-01-11 10:18 ` Philippe Mathieu-Daudé
2023-01-10 16:02 ` [PULL 09/29] disas: add G_GNUC_PRINTF to gstring_printf Paolo Bonzini
2023-01-10 16:02 ` [PULL 10/29] hw/xen: use G_GNUC_PRINTF/SCANF for various functions Paolo Bonzini
2023-01-10 16:02 ` [PULL 11/29] tools/virtiofsd: add G_GNUC_PRINTF for logging functions Paolo Bonzini
2023-01-10 16:02 ` [PULL 12/29] util/error: add G_GNUC_PRINTF for various functions Paolo Bonzini
2023-01-10 16:02 ` [PULL 13/29] tests: " Paolo Bonzini
2023-01-10 16:02 ` [PULL 14/29] enforce use of G_GNUC_PRINTF attributes Paolo Bonzini
2023-01-10 16:02 ` [PULL 15/29] hw/display: avoid creating empty loadable modules Paolo Bonzini
2023-01-10 16:02 ` [PULL 16/29] libvhost-user: Provide _GNU_SOURCE when compiling outside of QEMU Paolo Bonzini
2023-01-10 16:02 ` [PULL 17/29] libvhost-user: Replace typeof with __typeof__ Paolo Bonzini
2023-01-10 16:02 ` [PULL 18/29] libvhost-user: Cast rc variable to avoid compiler warning Paolo Bonzini
2023-01-10 16:02 ` [PULL 19/29] libvhost-user: Use unsigned int i for some for-loop iterations Paolo Bonzini
2023-01-10 16:02 ` [PULL 20/29] libvhost-user: Declare uffdio_register early to make it C90 compliant Paolo Bonzini
2023-01-10 16:02 ` [PULL 21/29] libvhost-user: Change dev->postcopy_ufd assignment " Paolo Bonzini
2023-01-10 16:02 ` [PULL 22/29] libvduse: Provide _GNU_SOURCE when compiling outside of QEMU Paolo Bonzini
2023-01-10 16:02 ` [PULL 23/29] libvduse: Switch to unsigned int for inuse field in struct VduseVirtq Paolo Bonzini
2023-01-10 16:02 ` [PULL 24/29] libvduse: Fix assignment in vring_set_avail_event Paolo Bonzini
2023-01-10 16:02 ` [PULL 25/29] libvhost-user: " Paolo Bonzini
2023-01-10 16:02 ` [PULL 26/29] libvhost-user: Add extra compiler warnings Paolo Bonzini
2023-01-10 16:02 ` [PULL 27/29] libvduse: " Paolo Bonzini
2023-01-10 16:02 ` [PULL 28/29] target/i386: fix operand size of unary SSE operations Paolo Bonzini
2023-01-10 16:02 ` [PULL 29/29] configure: remove backwards-compatibility code Paolo Bonzini
2023-01-10 22:07 ` [PULL 00/29] Misc patches for 2023-01-10 Peter Maydell
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