mattst88 15/02/03 21:43:26 Added: mesa-10.3.7-dont-use-clrsb.patch Log: Version bump to 10.4.3. Fix bugs 536916 and 538086. (Portage version: 2.2.15/cvs/Linux x86_64, signed Manifest commit with key 974CA72A)
Revision Changes Path 1.1 media-libs/mesa/files/mesa-10.3.7-dont-use-clrsb.patch file : http://sources.gentoo.org/viewvc.cgi/gentoo-x86/media-libs/mesa/files/mesa-10.3.7-dont-use-clrsb.patch?rev=1.1&view=markup plain: http://sources.gentoo.org/viewvc.cgi/gentoo-x86/media-libs/mesa/files/mesa-10.3.7-dont-use-clrsb.patch?rev=1.1&content-type=text/plain Index: mesa-10.3.7-dont-use-clrsb.patch =================================================================== >From 32e98e8ef06f0bb6ad55f9fb5858be77c03367b0 Mon Sep 17 00:00:00 2001 From: Matt Turner <[email protected]> Date: Mon, 2 Feb 2015 17:26:49 -0800 Subject: [PATCH] gallium/util: Don't use __builtin_clrsb in util_last_bit(). Unclear circumstances lead to undefined symbols on x86. Bugzilla: https://bugs.gentoo.org/show_bug.cgi?id=536916 Cc: [email protected] Reviewed-by: Ilia Mirkin <[email protected]> --- src/gallium/auxiliary/util/u_math.h | 4 ---- 1 file changed, 4 deletions(-) diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h index 19c7343..ca6d0f1 100644 --- a/src/gallium/auxiliary/util/u_math.h +++ b/src/gallium/auxiliary/util/u_math.h @@ -561,14 +561,10 @@ util_last_bit(unsigned u) static INLINE unsigned util_last_bit_signed(int i) { -#if defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 407) && !defined(__INTEL_COMPILER) - return 31 - __builtin_clrsb(i); -#else if (i >= 0) return util_last_bit(i); else return util_last_bit(~(unsigned)i); -#endif } /* Destructively loop over all of the bits in a mask as in: -- 2.0.4
