📄 optimization.html
字号:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html><head> <title></title> <link rel="stylesheet" media="screen" type="text/css" href="./style.css" /> <link rel="stylesheet" media="screen" type="text/css" href="./design.css" /> <link rel="stylesheet" media="print" type="text/css" href="./print.css" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head><body><a href=start.html>start</a></br><h1><a name="optimize_uclinux_kernel_and_application" id="optimize_uclinux_kernel_and_application">Optimize uClinux Kernel and Application</a></h1><div class="level1"><p><a href="using_l1_memory.html" class="wikilink2" title="using_l1_memory.html">Using L1 Memory</a></p><p><a href="gcc_optimization_for_blackfin.html" class="wikilink2" title="gcc_optimization_for_blackfin.html">GCC optimization for Blackfin</a></p></div><!-- SECTION [1-111] --><h2><a name="fast_float_point" id="fast_float_point">Fast Float point</a></h2><div class="level2"><p>Blackfin has no FPU. GCC provides soft float point library for emulation (<a href="http://gcc.gnu.org/onlinedocs/gccint/Soft-float-library-routines.html#Soft-float-library-routines" class="urlextern" title="http://gcc.gnu.org/onlinedocs/gccint/Soft-float-library-routines.html#Soft-float-library-routines" rel="nofollow">http://gcc.gnu.org/onlinedocs/gccint/Soft-float-library-routines.html#Soft-float-library-routines</a>. The soft float point library in Blackfin GCC has been optimized for Blackfin. To enable, add “-mfastfp” to the compilation flag.</p><p>Here is the <a href="whetstone.html" class="wikilink1" title="whetstone.html">whetstone</a> results with and without “-mfastfp”.</p></div><!-- SECTION [112-] --></body></html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -