| typedef int HItype __attribute__ ((mode (HI))); |
| typedef int SItype __attribute__ ((mode (SI))); |
| typedef unsigned int USItype __attribute__ ((mode (SI))); |
| |
| typedef int word_type __attribute__ ((mode (__word__))); |
| |
| USItype |
| udivmodsi4(USItype num, USItype den, word_type modwanted) |
| { |
| USItype bit = 1; |
| USItype res = 0; |
| |
| while (den < num && bit && !(den & (1L<<31))) |
| { |
| den <<=1; |
| bit <<=1; |
| } |
| while (bit) |
| { |
| if (num >= den) |
| { |
| num -= den; |
| res |= bit; |
| } |
| bit >>=1; |
| den >>=1; |
| } |
| if (modwanted) return num; |
| return res; |
| } |
| |
| |
| |
| SItype |
| __divsi3 (SItype a, SItype b) |
| { |
| word_type neg = 0; |
| SItype res; |
| |
| if (a < 0) |
| { |
| a = -a; |
| neg = !neg; |
| } |
| |
| if (b < 0) |
| { |
| b = -b; |
| neg = !neg; |
| } |
| |
| res = udivmodsi4 (a, b, 0); |
| |
| if (neg) |
| res = -res; |
| |
| return res; |
| } |
| |
| |
| |
| SItype |
| __modsi3 (SItype a, SItype b) |
| { |
| word_type neg = 0; |
| SItype res; |
| |
| if (a < 0) |
| { |
| a = -a; |
| neg = 1; |
| } |
| |
| if (b < 0) |
| b = -b; |
| |
| res = udivmodsi4 (a, b, 1); |
| |
| if (neg) |
| res = -res; |
| |
| return res; |
| } |
| |
| |
| |
| |
| SItype |
| __udivsi3 (SItype a, SItype b) |
| { |
| return udivmodsi4 (a, b, 0); |
| } |
| |
| |
| |
| SItype |
| __umodsi3 (SItype a, SItype b) |
| { |
| return udivmodsi4 (a, b, 1); |
| } |
| |
| SItype |
| __ashlsi3 (SItype a, SItype b) |
| { |
| word_type i; |
| |
| if (b & 16) |
| a <<= 16; |
| if (b & 8) |
| a <<= 8; |
| for (i = (b & 0x7); i > 0; --i) |
| a <<= 1; |
| return a; |
| } |
| |
| SItype |
| __ashrsi3 (SItype a, SItype b) |
| { |
| word_type i; |
| |
| if (b & 16) |
| a >>= 16; |
| if (b & 8) |
| a >>= 8; |
| for (i = (b & 0x7); i > 0; --i) |
| a >>= 1; |
| return a; |
| } |
| |
| USItype |
| __lshrsi3 (USItype a, USItype b) |
| { |
| word_type i; |
| |
| if (b & 16) |
| a >>= 16; |
| if (b & 8) |
| a >>= 8; |
| for (i = (b & 0x7); i > 0; --i) |
| a >>= 1; |
| return a; |
| } |