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Bug 598890 - media-libs/libpng: Enable Intel SSE2 optimizations.
Summary: media-libs/libpng: Enable Intel SSE2 optimizations.
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: x86 Linux
: Normal enhancement (vote)
Assignee: Gentoo's Team for Core System packages
URL:
Whiteboard:
Keywords: PATCH
Depends on:
Blocks:
 
Reported: 2016-11-04 01:41 UTC by David Korth
Modified: 2018-04-18 09:01 UTC (History)
4 users (show)

See Also:
Package list:
Runtime testing required: ---


Attachments
Enable SSE2 optimizations. (libpng-1.6.26-enable-sse2.diff,1.22 KB, patch)
2016-11-04 01:41 UTC, David Korth
Details | Diff

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Description David Korth 2016-11-04 01:41:35 UTC
Created attachment 452300 [details, diff]
Enable SSE2 optimizations.

libpng includes a patch in contrib/intel/ that enables SSE2-optimized decoding for 24-bit and 32-bit PNG images.

The attached patch for libpng-1.6.26.ebuild adds a CPU_FLAGS_X86 flag to enable SSE2.
Comment 1 Pacho Ramos gentoo-dev 2018-04-18 09:01:19 UTC
1.6.29 has already this sse support