| .text | |
| .p2align 2,0x90 | |
| .globl mpdigdiv | |
| .type mpdigdiv, @function | |
| mpdigdiv: | |
| /* Prelude */ | |
| pushl %ebp | |
| movl %ebx, -4(%esp) /* save on stack */ | |
| movl 8(%esp), %ebx | |
| movl (%ebx), %eax | |
| movl 4(%ebx), %edx | |
| movl 12(%esp), %ebx | |
| movl 16(%esp), %ebp | |
| xorl %ecx, %ecx | |
| cmpl %ebx, %edx /* dividend >= 2^32 * divisor */ | |
| jae divovfl | |
| cmpl %ecx, %ebx /* divisor == 1 */ | |
| je divovfl | |
| divl %ebx /* AX = DX:AX/BX */ | |
| movl %eax, (%ebp) | |
| jmp done | |
| /* return all 1's */ | |
| divovfl: | |
| notl %ecx | |
| movl %ecx, (%ebp) | |
| done: | |
| /* Postlude */ | |
| movl -4(%esp), %ebx /* restore from stack */ | |
| movl %esp, %ebp | |
| leave | |
| ret | |
| .endmpdigdiv: | |
| .size mpdigdiv,.endmpdigdiv-mpdigdiv |