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Hi, This patch consists of libgcc parts for nds32 target. We support two kinds of libgcc implementation: newlib and mculib, controlled by --with-nds32-lib=[newlib|mculib] when configure gcc. In newlib setting, we use default libgcc impelmentation provided by gcc, and take soft-fp as our software floating point library. As for mculib setting, many modules have been hand-coded with assembly codes for code size consideration. We also have dozens of assembly codes under the directory 'isr-library' for creating libnds32_isr.a which is used for interrupt support in nds32 target. libgcc/ 2013-07-08 Chung-Ju Wu <jasonwucj@gmail.com> Shiva Chen <shiva0217@gmail.com> * config/nds32 : New directory and files.
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