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| author | Corinna Vinschen <corinna@vinschen.de> | 2014-12-15 13:32:17 +0000 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2014-12-15 13:32:17 +0000 |
| commit | f5ce72dffc738d43213e566d8ae082d7428f8be9 (patch) | |
| tree | 62536bdf369ea8fbb6cbb59bef5348e414e8fab2 /newlib/libc/include/machine | |
| parent | d4ef8a6368e8e5b22808e3df64306418f1971ba9 (diff) | |
| download | cygnal-f5ce72dffc738d43213e566d8ae082d7428f8be9.tar.gz cygnal-f5ce72dffc738d43213e566d8ae082d7428f8be9.tar.bz2 cygnal-f5ce72dffc738d43213e566d8ae082d7428f8be9.zip | |
* newlib/libc/include/machine/setjmp.h: Add FPU support.
* newlib/libc/machine/nds32/setjmp.S: Add FPU support.
Diffstat (limited to 'newlib/libc/include/machine')
| -rw-r--r-- | newlib/libc/include/machine/setjmp.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/newlib/libc/include/machine/setjmp.h b/newlib/libc/include/machine/setjmp.h index a9e0d7141..f7e5865ab 100644 --- a/newlib/libc/include/machine/setjmp.h +++ b/newlib/libc/include/machine/setjmp.h @@ -61,11 +61,18 @@ _BEGIN_STD_C #endif #ifdef __nds32__ -/* Only 17 words are currently needed. - Preserve one word slot if we need to expand. - Check newlib/libc/machine/nds32/setjmp.S for more information. */ +/* 17 words for GPRs, + 1 word for $fpcfg.freg and 30 words for FPUs + Reserved 2 words for aligement-adjustment. When storeing double-precision + floating-point register into memory, the address has to be + double-word-aligned. + Check libc/machine/nds32/setjmp.S for more information. */ +#if __NDS32_EXT_FPU_SP__ || __NDS32_EXT_FPU_DP__ +#define _JBLEN 50 +#else #define _JBLEN 18 #endif +#endif #if defined(__Z8001__) || defined(__Z8002__) /* 16 regs + pc */ |