[v1] Remove 32-bit host support

[PULL 10/54] host/include/x86_64/bufferiszero: Remove no SSE2 fallback

Richard Henderson posted 54 patches 2 weeks, 5 days ago

Diff against v1 v2
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Maintainers: "Alex Bennée" <alex.bennee@linaro.org>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Thomas Huth <thuth@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Fabiano Rosas <farosas@suse.de>, Laurent Vivier <lvivier@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Riku Voipio <riku.voipio@iki.fi>, Stefan Hajnoczi <stefanha@redhat.com>, Fam Zheng <fam@euphon.net>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, Warner Losh <imp@bsdimp.com>, Kyle Evans <kevans@freebsd.org>, "Daniel P. Berrangé" <berrange@redhat.com>, Stefano Stabellini <sstabellini@kernel.org>, Anthony PERARD <anthony@xenproject.org>, Paul Durrant <paul@xen.org>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, "Michael S. Tsirkin" <mst@redhat.com>, David Hildenbrand <david@kernel.org>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Peter Xu <peterx@redhat.com>, Li Zhijian <lizhijian@fujitsu.com>, Hyman Huang <yong.huang@smartx.com>, Peter Maydell <peter.maydell@linaro.org>, Helge Deller <deller@gmx.de>, Zhao Liu <zhao1.liu@intel.com>, Eduardo Habkost <eduardo@habkost.net>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Weiwei Li <liwei1518@gmail.com>, Daniel Henrique Barboza <dbarboza@ventanamicro.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Ilya Leoshkevich <iii@linux.ibm.com>, WANG Xuerui <git@xen0n.name>, Stefan Weil <sw@weilnetz.de>, Kohei Tokunaga <ktokunaga.mail@gmail.com>

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[PULL 10/54] host/include/x86_64/bufferiszero: Remove no SSE2 fallback

Posted by Richard Henderson 2 weeks, 5 days ago

Since x86_64 always has SSE2, we can remove the fallback
that was present for i686.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 host/include/x86_64/host/bufferiszero.c.inc | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/host/include/x86_64/host/bufferiszero.c.inc b/host/include/x86_64/host/bufferiszero.c.inc
index 74ae98580f..7e9d896a8d 100644
--- a/host/include/x86_64/host/bufferiszero.c.inc
+++ b/host/include/x86_64/host/bufferiszero.c.inc
@@ -3,7 +3,6 @@
  * buffer_is_zero acceleration, x86 version.
  */
 
-#if defined(CONFIG_AVX2_OPT) || defined(__SSE2__)
 #include <immintrin.h>
 
 /* Helper for preventing the compiler from reassociating
@@ -119,7 +118,3 @@ static unsigned best_accel(void)
 #endif
     return info & CPUINFO_SSE2 ? 1 : 0;
 }
-
-#else
-# include "host/include/generic/host/bufferiszero.c.inc"
-#endif
-- 
2.43.0