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Linshizhi
ffmpeg.wasm-core
Commits
45ed8225
Commit
45ed8225
authored
Mar 22, 2011
by
Justin Ruggles
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cosmetics: indentation
parent
eba586b0
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cpu.c
libavutil/x86/cpu.c
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libavutil/x86/cpu.c
View file @
45ed8225
...
...
@@ -137,14 +137,14 @@ int ff_get_cpu_flags_x86(void)
if
(
!
strncmp
(
vendor
.
c
,
"GenuineIntel"
,
12
))
{
if
(
family
==
6
&&
(
model
==
9
||
model
==
13
||
model
==
14
))
{
/* 6/9 (pentium-m "banias"), 6/13 (pentium-m "dothan"), and 6/14 (core1 "yonah")
* theoretically support sse2, but it's usually slower than mmx,
* so let's just pretend they don't. AV_CPU_FLAG_SSE2 is disabled and
* AV_CPU_FLAG_SSE2SLOW is enabled so that SSE2 is not used unless
* explicitly enabled by checking AV_CPU_FLAG_SSE2SLOW. The same
* situation applies for AV_CPU_FLAG_SSE3 and AV_CPU_FLAG_SSE3SLOW. */
if
(
rval
&
AV_CPU_FLAG_SSE2
)
rval
^=
AV_CPU_FLAG_SSE2SLOW
|
AV_CPU_FLAG_SSE2
;
if
(
rval
&
AV_CPU_FLAG_SSE3
)
rval
^=
AV_CPU_FLAG_SSE3SLOW
|
AV_CPU_FLAG_SSE3
;
/* 6/9 (pentium-m "banias"), 6/13 (pentium-m "dothan"), and 6/14 (core1 "yonah")
* theoretically support sse2, but it's usually slower than mmx,
* so let's just pretend they don't. AV_CPU_FLAG_SSE2 is disabled and
* AV_CPU_FLAG_SSE2SLOW is enabled so that SSE2 is not used unless
* explicitly enabled by checking AV_CPU_FLAG_SSE2SLOW. The same
* situation applies for AV_CPU_FLAG_SSE3 and AV_CPU_FLAG_SSE3SLOW. */
if
(
rval
&
AV_CPU_FLAG_SSE2
)
rval
^=
AV_CPU_FLAG_SSE2SLOW
|
AV_CPU_FLAG_SSE2
;
if
(
rval
&
AV_CPU_FLAG_SSE3
)
rval
^=
AV_CPU_FLAG_SSE3SLOW
|
AV_CPU_FLAG_SSE3
;
}
/* The Atom processor has SSSE3 support, which is useful in many cases,
* but sometimes the SSSE3 version is slower than the SSE2 equivalent
...
...
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