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Setting up GCC for soft-fp with exceptions on ARM?

原文 2012-11-29 01:18:42 3 2 c/ gcc/ floating-point/ arm/ floating-point-exceptions

According to this page on the GCC Wiki:

http://gcc.gnu.org/wiki/Software_floating_point

the "soft-fp" soft float implementation gcc provides has optional support for exceptions and rounding modes. Is there any way to configure GCC (libgcc) when building it to use this support? I'm particularly interested in the case of soft-float on ARM.

2 answers

这应该是一种评论，但我没有资格发表评论:)我在x86_64的 SO Soft Float上找到了另一个线程，该线程具有一些相关信息。

Here is a useful article detailing software floating point on Cortex M3 micro controllers
http://michaldemin.wordpress.com/2010/02/09/arm-toolchain-newlib-part1/

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Related Question GCC cross compiler (for ARM micro) complains about 'non supported floating point ABI' at a function where no FP instruction is present Setting gcc ( gcc-arm-embedded ) in Eclipse IDE for C/C++ Developers Mars in OS X ARM GCC inline assembly GCC ARM register expected Linking library with arm gcc arm Inline assembly in gcc GCC Error while compiling for ARM ARM GCC produces unaligned STRD Arm Gcc Weak Alias Redefinition ARM GCC: Conflicting CPU architectures

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Setting up GCC for soft-fp with exceptions on ARM?

Question

2 answers

solution1
2 2012-11-29 01:38:55

solution2
1 2012-11-29 01:36:11

Setting up GCC for soft-fp with exceptions on ARM?

Question

2 answers

solution1 2 2012-11-29 01:38:55

solution2 1 2012-11-29 01:36:11

solution1
2 2012-11-29 01:38:55

solution2
1 2012-11-29 01:36:11