diff options
Diffstat (limited to 'libtcc1.c')
| -rw-r--r-- | libtcc1.c | 39 |
1 files changed, 39 insertions, 0 deletions
@@ -421,19 +421,58 @@ unsigned long long __umoddi3(unsigned long long u, unsigned long long v) /* XXX: fix tcc's code generator to do this instead */ long long __sardi3(long long a, int b) { +#ifdef __TINYC__ + DWunion u; + u.ll = a; + if (b >= 32) { + u.s.low = u.s.high >> (b - 32); + u.s.high = u.s.high >> 31; + } else if (b != 0) { + u.s.low = ((unsigned)u.s.low >> b) | (u.s.high << (32 - b)); + u.s.high = u.s.high >> b; + } + return u.ll; +#else return a >> b; +#endif } /* XXX: fix tcc's code generator to do this instead */ unsigned long long __shrdi3(unsigned long long a, int b) { +#ifdef __TINYC__ + DWunion u; + u.ll = a; + if (b >= 32) { + u.s.low = (unsigned)u.s.high >> (b - 32); + u.s.high = 0; + } else if (b != 0) { + u.s.low = ((unsigned)u.s.low >> b) | (u.s.high << (32 - b)); + u.s.high = (unsigned)u.s.high >> b; + } + return u.ll; +#else return a >> b; +#endif } /* XXX: fix tcc's code generator to do this instead */ long long __shldi3(long long a, int b) { +#ifdef __TINYC__ + DWunion u; + u.ll = a; + if (b >= 32) { + u.s.high = (unsigned)u.s.low << (b - 32); + u.s.low = 0; + } else if (b != 0) { + u.s.high = ((unsigned)u.s.high << b) | (u.s.low >> (32 - b)); + u.s.low = (unsigned)u.s.low << b; + } + return u.ll; +#else return a << b; +#endif } #if defined(__i386__) |