From 77425c63e72bc0c01d81bc7e9ba4bb41d11679e6 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 22 Oct 2011 13:17:30 -0400 Subject: Add branch predictions to complex math code --- math/s_catanf.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'math/s_catanf.c') diff --git a/math/s_catanf.c b/math/s_catanf.c index 0aefb6ef39..defcf18c67 100644 --- a/math/s_catanf.c +++ b/math/s_catanf.c @@ -1,5 +1,5 @@ /* Return arc tangent of complex float value. - Copyright (C) 1997 Free Software Foundation, Inc. + Copyright (C) 1997, 2011 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 1997. @@ -20,7 +20,6 @@ #include #include - #include @@ -31,7 +30,7 @@ __catanf (__complex__ float x) int rcls = fpclassify (__real__ x); int icls = fpclassify (__imag__ x); - if (rcls <= FP_INFINITE || icls <= FP_INFINITE) + if (__builtin_expect (rcls <= FP_INFINITE || icls <= FP_INFINITE, 0)) { if (rcls == FP_INFINITE) { @@ -57,7 +56,7 @@ __catanf (__complex__ float x) __imag__ res = __nanf (""); } } - else if (rcls == FP_ZERO && icls == FP_ZERO) + else if (__builtin_expect (rcls == FP_ZERO && icls == FP_ZERO, 0)) { res = x; } -- cgit 1.4.1