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Re: [Qemu-devel] [PULL 0/5] migration pull
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PULL 0/5] migration pull |
Date: |
Tue, 23 Feb 2016 09:09:46 +0000 |
On 23 February 2016 at 07:30, Amit Shah <address@hidden> wrote:
> The following changes since commit 8eb779e4223a18db9838a49ece1bc72cfdfb7761:
>
> Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
> (2016-02-22 16:55:41 +0000)
>
> are available in the git repository at:
>
> https://git.kernel.org/pub/scm/virt/qemu/amit/migration.git
> tags/migration-for-2.6-3
>
> for you to fetch changes up to 612f0af57aa1e8d4e09d7f1a1c442e1d943cbf0c:
>
> cutils: add avx2 instruction optimization (2016-02-23 12:53:03 +0530)
>
> ----------------------------------------------------------------
> Migration:
> - enable avx2 instructions when available
> - fix a qcow2 assert
> - minor code rearrangement
Hi. I'm afraid this doesn't compile for x86-64 Linux:
/home/petmay01/linaro/qemu-for-merges/util/cutils.c: In function
‘can_use_buffer_find_nonzero_offset_avx2’:
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:242:29: error:
‘__m256i’ undeclared (first use in this function)
* sizeof(AVX2_VECTYPE)) == 0
^
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:242:29: note: each
undeclared identifier is reported only once for each function it
appears in
/home/petmay01/linaro/qemu-for-merges/util/cutils.c: In function
‘buffer_find_nonzero_offset_avx2’:
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:248:5: error:
unknown type name ‘__m256i’
const AVX2_VECTYPE *p = buf;
^
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:249:5: error:
unknown type name ‘__m256i’
const AVX2_VECTYPE zero = (AVX2_VECTYPE){0};
^
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:249:27: error:
‘__m256i’ undeclared (first use in this function)
const AVX2_VECTYPE zero = (AVX2_VECTYPE){0};
^
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:249:35: error:
expected ‘,’ or ‘;’ before ‘{’ token
const AVX2_VECTYPE zero = (AVX2_VECTYPE){0};
^
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:259:9: error:
implicit declaration of function ‘_mm256_movemask_epi8’
[-Werror=implicit-function-declaration]
if (!AVX2_ALL_EQ(p[i], zero)) {
^
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:259:9: error:
nested extern declaration of ‘_mm256_movemask_epi8’
[-Werror=nested-externs]
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:259:9: error:
implicit declaration of function ‘_mm256_cmpeq_epi8’
[-Werror=implicit-function-declaration]
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:259:9: error:
nested extern declaration of ‘_mm256_cmpeq_epi8’
[-Werror=nested-externs]
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:267:17: error:
expected ‘;’ before ‘tmp0’
AVX2_VECTYPE tmp0 = AVX2_VEC_OR(p[i + 0], p[i + 1]);
^
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:268:17: error:
expected ‘;’ before ‘tmp1’
AVX2_VECTYPE tmp1 = AVX2_VEC_OR(p[i + 2], p[i + 3]);
^
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:269:17: error:
expected ‘;’ before ‘tmp2’
AVX2_VECTYPE tmp2 = AVX2_VEC_OR(p[i + 4], p[i + 5]);
^
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:270:17: error:
expected ‘;’ before ‘tmp3’
AVX2_VECTYPE tmp3 = AVX2_VEC_OR(p[i + 6], p[i + 7]);
^
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:271:17: error:
expected ‘;’ before ‘tmp01’
AVX2_VECTYPE tmp01 = AVX2_VEC_OR(tmp0, tmp1);
^
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:272:17: error:
expected ‘;’ before ‘tmp23’
AVX2_VECTYPE tmp23 = AVX2_VEC_OR(tmp2, tmp3);
^
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:273:9: error:
implicit declaration of function ‘_mm256_or_si256’
[-Werror=implicit-function-declaration]
if (!AVX2_ALL_EQ(AVX2_VEC_OR(tmp01, tmp23), zero)) {
^
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:273:9: error:
nested extern declaration of ‘_mm256_or_si256’
[-Werror=nested-externs]
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:273:71: error:
‘tmp01’ undeclared (first use in this function)
if (!AVX2_ALL_EQ(AVX2_VEC_OR(tmp01, tmp23), zero)) {
^
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:273:78: error:
‘tmp23’ undeclared (first use in this function)
if (!AVX2_ALL_EQ(AVX2_VEC_OR(tmp01, tmp23), zero)) {
^
/home/petmay01/linaro/qemu-for-merges/util/cutils.c: In function
‘can_use_buffer_find_nonzero_offset_avx2’:
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:244:1: error:
control reaches end of non-void function [-Werror=return-type]
}
^
/home/petmay01/linaro/qemu-for-merges/util/cutils.c: In function
‘buffer_find_nonzero_offset_avx2’:
/home/petmay01/linaro/qemu-for-merges/util/cutils.c:279:1: error:
control reaches end of non-void function [-Werror=return-type]
}
^
cc1: all warnings being treated as errors
thanks
-- PMM
- [Qemu-devel] [PULL 0/5] migration pull, Amit Shah, 2016/02/23
- [Qemu-devel] [PULL 1/5] migration: move bdrv_invalidate_cache_all of of coroutine context, Amit Shah, 2016/02/23
- [Qemu-devel] [PULL 2/5] migration: move bdrv_invalidate_cache_all of of coroutine context, Amit Shah, 2016/02/23
- [Qemu-devel] [PULL 3/5] migration: reorder code to make it symmetric, Amit Shah, 2016/02/23
- [Qemu-devel] [PULL 4/5] configure: detect ifunc and avx2 attribute, Amit Shah, 2016/02/23
- [Qemu-devel] [PULL 5/5] cutils: add avx2 instruction optimization, Amit Shah, 2016/02/23
- Re: [Qemu-devel] [PULL 0/5] migration pull,
Peter Maydell <=
- Re: [Qemu-devel] [PULL 0/5] migration pull, Amit Shah, 2016/02/23
- Re: [Qemu-devel] [PULL 0/5] migration pull, Paolo Bonzini, 2016/02/23
- Re: [Qemu-devel] [PULL 0/5] migration pull, Peter Maydell, 2016/02/23
- Re: [Qemu-devel] [PULL 0/5] migration pull, Li, Liang Z, 2016/02/23
- Re: [Qemu-devel] [PULL 0/5] migration pull, Peter Maydell, 2016/02/23
- Re: [Qemu-devel] [PULL 0/5] migration pull, Paolo Bonzini, 2016/02/23
- Re: [Qemu-devel] [PULL 0/5] migration pull, Li, Liang Z, 2016/02/24
Re: [Qemu-devel] [PULL 0/5] migration pull, Li, Liang Z, 2016/02/23