Uhh.. also, were we not using the intrinsics on x86 before? Attached checks intrinsics before x86 and the new x86_64 block, so that the latter are fallbacks if intrinsics aren't available.
-tom tom fogal <tfo...@sci.utah.edu> writes: > A friend of mine had trouble building 7.8.2 on an old gcc3.3 system > (no gcc intrinsics).
From 337dace22dc2b0eab2372375f1574d94b894ef84 Mon Sep 17 00:00:00 2001 From: Tom Fogal <tfo...@alumni.unh.edu> Date: Sun, 26 Sep 2010 22:32:15 -0600 Subject: [PATCH] Prefer intrinsics to handrolled atomic ops. --- src/gallium/auxiliary/util/u_atomic.h | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/src/gallium/auxiliary/util/u_atomic.h b/src/gallium/auxiliary/util/u_atomic.h index 8434491..4ae6def 100644 --- a/src/gallium/auxiliary/util/u_atomic.h +++ b/src/gallium/auxiliary/util/u_atomic.h @@ -27,12 +27,12 @@ #define PIPE_ATOMIC_MSVC_INTRINSIC #elif (defined(PIPE_CC_MSVC) && defined(PIPE_ARCH_X86)) #define PIPE_ATOMIC_ASM_MSVC_X86 +#elif defined(PIPE_CC_GCC) && (PIPE_CC_GCC_VERSION >= 401) +#define PIPE_ATOMIC_GCC_INTRINSIC #elif (defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86)) #define PIPE_ATOMIC_ASM_GCC_X86 #elif (defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86_64)) #define PIPE_ATOMIC_ASM_GCC_X86_64 -#elif defined(PIPE_CC_GCC) && (PIPE_CC_GCC_VERSION >= 401) -#define PIPE_ATOMIC_GCC_INTRINSIC #else #error "Unsupported platform" #endif -- 1.7.0.2
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