From 83bba8f14603022c6c80bef95020e079d7cb73c0 Mon Sep 17 00:00:00 2001 From: Vinson Lee Date: Fri, 30 May 2014 19:40:26 -0700 Subject: [PATCH] util: Do not use __builtin_clrsb with Intel C++ Compiler. This patch fixes this build error with icc 14.0.2. In file included from state_tracker/st_glsl_to_tgsi.cpp(63): ../../src/gallium/auxiliary/util/u_math.h(583): error: identifier "__builtin_clrsb" is undefined return 31 - __builtin_clrsb(i); ^ Signed-off-by: Vinson Lee --- src/gallium/auxiliary/util/u_math.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h index 2ade64af4fe..b9ed197d72d 100644 --- a/src/gallium/auxiliary/util/u_math.h +++ b/src/gallium/auxiliary/util/u_math.h @@ -579,7 +579,7 @@ static INLINE unsigned util_last_bit(unsigned u) */ static INLINE unsigned util_last_bit_signed(int i) { -#if defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 407) +#if defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 407) && !defined(__INTEL_COMPILER) return 31 - __builtin_clrsb(i); #else if (i >= 0) -- 2.30.2