|
3924ebce
|
2016-07-13T16:03:36
|
|
AVX2: Perform additional checks for O/S support
cpuid tells us whether the O/S uses extended state management via
XSAVE/XRSTOR, but we have to call xgetbv to verify that it is using
XSAVE/XRSTOR to manage the state of XMM/YMM registers.
|
|
|
3dcb85ee
|
2016-07-11T20:21:46
|
|
AVX2: Verify O/S support for AVX2 before enabling
This fixes crashes that would occur when attempting to use
libjpeg-turbo's AVX2 extensions on older O/S's (such as Windows XP or
RHEL 5.) Even if the CPU supports AVX2, the O/S has to also support
saving/restoring YMM registers when switching contexts.
|
|
|
1be87b62
|
2016-07-11T19:42:37
|
|
Reformat jsimdcpu[-64].asm to improve readability
|
|
|
2cf199cb
|
2016-05-20T10:45:32
|
|
Lay the groundwork for 64-bit AVX2 SIMD support
|
|
ba82ddf6
|
2009-06-29T11:20:42
|
|
Clean up SIMD glue code
The SIMD glue code has gotten a bit #ifdef heavy so clean it up by having
one file for each possible SIMD arch. This also allows a simplification of
the x86_64 code as SSE/SSE2 is always known to exist on that arch.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@49 632fc199-4ca6-4c93-a231-07263d6284db
|
|
cdc8ac3e
|
2009-06-25T20:38:31
|
|
64-bit SIMD acceleration
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@45 632fc199-4ca6-4c93-a231-07263d6284db
|