diff options
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 */ |