arm-none-linux-gnueabi-gcc 和 arm-fsl-linux-gnueabi-gcc区别
推荐回答(2个)
应该是没区别吧。
none 和 fsl 这个段落的表示应该是 Hardware Platform or Vendor 的意思。我记得这个段落只是一个提示信息,不过 arm 这个段落如果是 softfloat 是有意义的,表明这个 gcc 默认是使用了软浮点扩展。这在 arm 旧系统架构上有特殊参数的(旧 ARM 没有浮点运算器,不算太旧的版本自带的浮点运算器性能很差)。在新版的 arm 架构上,GCC 旧版本不支持 ARM VFP 硬件运算单元,这里需要用软件单元来调用 VFP (其实还是硬支持,不过 GCC 没有在硬的部分进行支持,需要用软的来调用)。新版本 GCC 已经支持硬件运算单元并且是硬接口调用部分了。
你这两个都不是 arm 的 GCC 编译器常见的表示内容(unknown 或者 softfloat 或者 hardfloat )。
所以我觉得这个段落没有实际的表示意义,应该是没区别。不过可能后面的 fsl 是发行版的表示或者是制作者的表示。
fsl 现在要换成nxp了,所以这个段落在这里就是vendor,none当然就是表示无vendor,可能是Codesourcery现在好像是mentor自己直接出的,没有芯片vendor加持过的版本。
2012年的问题,现在2020了,应该没人还在用arm-fsl-linux-gnueabi-gcc了吧!
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