[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH 1/8] target-arm: Fixes for several shift instruc
From: |
Aurelien Jarno |
Subject: |
Re: [Qemu-devel] [PATCH 1/8] target-arm: Fixes for several shift instructions: VRSHL, VRSHR, VRSHRN, VSHLL, VRSRA. |
Date: |
Mon, 31 Jan 2011 16:59:57 +0100 |
User-agent: |
Mozilla-Thunderbird 2.0.0.24 (X11/20100329) |
Christophe Lyon a écrit :
> On 31.01.2011 10:44, Aurelien Jarno wrote:
>> On Mon, Jan 31, 2011 at 10:35:30AM +0100, Christophe Lyon wrote:
>>> On 31.01.2011 09:20, Aurelien Jarno wrote:
>>>> On Fri, Jan 28, 2011 at 04:50:59PM +0100, address@hidden wrote:
>>>>> From: Christophe Lyon <address@hidden>
>>>>>
>>>>> Handle corner cases where the addition of the rounding constant could
>>>>> cause overflows.
>>>> After applying this patch, I get the following gcc warning:
>>>> CC translate.o
>>>> cc1: warnings being treated as errors
>>>> qemu/target-arm/translate.c: In function ‘disas_neon_data_insn’:
>>>> qemu/target-arm/translate.c:4212: error: ‘imm’ may be used uninitialized
>>>> in this function
>>>> make: *** [translate.o] Error 1
>>>>
>>> Which GCC version are you using? I don't have such a warning (using
>>> GCC-4.5.1 on x86_64).
>>>
>> I get this error with GCC 4.3.5, GCC 4.4.5, GCC 4.5.2 and GCC 4.6.0
>> (r169270). This is also on x86_64.
>>
>
> Well, I can't reproduce this error :-(
> For the record, I configure with --target-list=arm-softmmu,arm-linux-user
> --disable-bluez --enable-debug --disable-sdl and point --host-cc and --cc to
> GCC-4.5.1.
>
It seems the problems come from here, if I add --enable-debug, I am not
able to reproduce the problem anymore. I don't understand why though.
--
Aurelien Jarno GPG: 1024D/F1BCDB73
address@hidden http://www.aurel32.net
- [Qemu-devel] [PATCH 0/8] target-arm: Fix Neon instructions VQMOVUN VQRSHL VQRSHRN VQRSHRUN VQSHRN VQSHRUN VSLI VSRI, christophe.lyon, 2011/01/28
- [Qemu-devel] [PATCH 1/8] target-arm: Fixes for several shift instructions: VRSHL, VRSHR, VRSHRN, VSHLL, VRSRA., christophe.lyon, 2011/01/28
- Re: [Qemu-devel] [PATCH 1/8] target-arm: Fixes for several shift instructions: VRSHL, VRSHR, VRSHRN, VSHLL, VRSRA., Aurelien Jarno, 2011/01/31
- Re: [Qemu-devel] [PATCH 1/8] target-arm: Fixes for several shift instructions: VRSHL, VRSHR, VRSHRN, VSHLL, VRSRA., Christophe Lyon, 2011/01/31
- Re: [Qemu-devel] [PATCH 1/8] target-arm: Fixes for several shift instructions: VRSHL, VRSHR, VRSHRN, VSHLL, VRSRA., Aurelien Jarno, 2011/01/31
- Re: [Qemu-devel] [PATCH 1/8] target-arm: Fixes for several shift instructions: VRSHL, VRSHR, VRSHRN, VSHLL, VRSRA., Alon Levy, 2011/01/31
- Re: [Qemu-devel] [PATCH 1/8] target-arm: Fixes for several shift instructions: VRSHL, VRSHR, VRSHRN, VSHLL, VRSRA., Christophe Lyon, 2011/01/31
- Re: [Qemu-devel] [PATCH 1/8] target-arm: Fixes for several shift instructions: VRSHL, VRSHR, VRSHRN, VSHLL, VRSRA.,
Aurelien Jarno <=
- Re: [Qemu-devel] [PATCH 1/8] target-arm: Fixes for several shift instructions: VRSHL, VRSHR, VRSHRN, VSHLL, VRSRA., Peter Maydell, 2011/01/31
- Re: [Qemu-devel] [PATCH 1/8] target-arm: Fixes for several shift instructions: VRSHL, VRSHR, VRSHRN, VSHLL, VRSRA., Christophe Lyon, 2011/01/31
[Qemu-devel] [PATCH 4/8] target-arm: fiddle decoding of 64 bit shift by imm and narrow, christophe.lyon, 2011/01/28
[Qemu-devel] [PATCH 3/8] target-arm: VQRSHRN related changes, christophe.lyon, 2011/01/28
[Qemu-devel] [PATCH 5/8] target-arm: fix neon vqrshl instruction, christophe.lyon, 2011/01/28
[Qemu-devel] [PATCH 6/8] target-arm: Fix Neon VQ(R)SHRN instructions., christophe.lyon, 2011/01/28
[Qemu-devel] [PATCH 7/8] implement vsli.64, vsri.64, christophe.lyon, 2011/01/28
[Qemu-devel] [PATCH 8/8] target-arm: Fix VQRSHL Neon instructions (signed/unsigned 64 bits and signed 32 bits variants)., christophe.lyon, 2011/01/28
[Qemu-devel] [PATCH 2/8] target-arm: Create and use neon_unarrow_sat* helpers, christophe.lyon, 2011/01/28
Re: [Qemu-devel] [PATCH 0/8] target-arm: Fix Neon instructions VQMOVUN VQRSHL VQRSHRN VQRSHRUN VQSHRN VQSHRUN VSLI VSRI, Peter Maydell, 2011/01/28