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Annotation of coherent/b/lib/libc/gen/i386/ldiv.s, revision 1.1.1.1

1.1       root        1: //////////
                      2: / libc/gen/i386/ldiv.s
                      3: / i386 C standard library.
                      4: / ANSI 4.10.6.2, 4.10.6.4.
                      5: //////////
                      6: 
                      7: //////////
                      8: / #include <stdlib.h>
                      9: /
                     10: / div_t
                     11: / div(int numer, int denom)
                     12: /
                     13: / ldiv_t
                     14: / ldiv(long numer, long denom)
                     15: /
                     16: / Compute quotient and remainder of 'numer' by 'denom'.
                     17: / Return a pointer to a statically allocated div_t/ldiv_t object.
                     18: / Since int and long are both 32 bits, div() and ldiv() are identical.
                     19: //////////
                     20: 
                     21:        .data
                     22: quot:  .long   0
                     23: rem:   .long   0
                     24: 
                     25: numer  .equ    4
                     26: denom  .equ    numer + 4
                     27: 
                     28:        .text
                     29: 
                     30:        .globl  div
                     31:        .globl  ldiv
                     32: 
                     33: div:
                     34: ldiv:
                     35:        movl    %eax, numer(%esp)       / Dividend to EAX
                     36:        cdq                             / Sign-extend to EDX:EAX
                     37:        idivl   denom(%esp)             / Divide by divisor
                     38:        movl    quot, %eax              / Store quotient
                     39:        movl    rem, %edx               / Store remainder
                     40:        movl    %eax, $quot             / Return pointer to result in EAX
                     41:        ret
                     42: 
                     43: / end of libc/gen/i386/ldiv.s

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