linux编程的108种奇淫巧计-11(乱序)【续】

#include<stdio.h>
#include<stdlib.h>
#include <stddef.h>
#include <stdint.h>
        asm("   .text                        ");
        asm("   .type  shl_7, @function       ");
        asm("shl_7:   push   %rbp                  ");
        asm("   mov    %rsp,%rbp             ");
        asm("loop: sub     $0x80, %rdx        ");
        asm("   movaps  -0x07(%rsi), %xmm1 ");
        asm("   movaps  0x09(%rsi), %xmm2  ");
        asm("   movaps  0x19(%rsi), %xmm3  ");
        asm("   movaps  0x29(%rsi), %xmm4  ");
        asm("   movaps  0x39(%rsi), %xmm5  ");
        asm("   movaps  0x49(%rsi), %xmm6  ");
        asm("   movaps  0x59(%rsi), %xmm7  ");
        asm("   movaps  0x69(%rsi), %xmm8  ");
        asm("   movaps  0x79(%rsi), %xmm9  ");
        asm("   lea     0x80(%rsi), %rsi   ");
        asm("   palignr $7, %xmm8, %xmm9   ");
        asm("   palignr $7, %xmm7, %xmm8   ");
        asm("   palignr $7, %xmm6, %xmm7   ");
        asm("   palignr $7, %xmm5, %xmm6   ");
        asm("   palignr $7, %xmm4, %xmm5   ");
        asm("   palignr $7, %xmm3, %xmm4   ");
        asm("   palignr $7, %xmm2, %xmm3   ");
        asm("   palignr $7, %xmm1, %xmm2   ");
        asm("   movaps  %xmm9, 0x70(%rdi)  ");
        asm("   movaps  %xmm8, 0x60(%rdi)  ");
        asm("   movaps  %xmm7, 0x50(%rdi)  ");
        asm("   movaps  %xmm6, 0x40(%rdi)  ");
        asm("   movaps  %xmm5, 0x30(%rdi)  ");
        asm("   movaps  %xmm4, 0x20(%rdi)  ");
        asm("   movaps  %xmm3, 0x10(%rdi)  ");
        asm("   movaps  %xmm2, (%rdi)      ");

        asm("   leaveq                     ");
        asm("   retq                       ");

        asm("   .text                        ");
        asm("   .type  shl_7_f, @function    ");
        asm("shl_7_f:   push   %rbp          ");
        asm("   mov    %rsp,%rbp             ");
        asm("loop_f: sub     $0x80, %rdx     ");

        asm("   movaps  -0x07(%rsi), %xmm1 ");
        asm("   movaps  0x09(%rsi), %xmm2  ");
        asm("   movaps  0x19(%rsi), %xmm3  ");
        asm("   movaps  0x29(%rsi), %xmm4  ");
        asm("   movaps  0x39(%rsi), %xmm5  ");
        asm("   movaps  0x49(%rsi), %xmm6  ");
        asm("   movaps  0x59(%rsi), %xmm7  ");
        asm("   movaps  0x69(%rsi), %xmm8  ");
        asm("   movaps  0x79(%rsi), %xmm9  ");
        asm("   lea     0x80(%rsi), %rsi   ");
        asm("   palignr $7, %xmm8, %xmm9   ");
        asm("   movaps  %xmm9, 0x70(%rdi)  ");
        asm("   palignr $7, %xmm7, %xmm8   ");
        asm("   movaps  %xmm8, 0x60(%rdi)  ");
        asm("   palignr $7, %xmm6, %xmm7   ");
        asm("   movaps  %xmm7, 0x50(%rdi)  ");
        asm("   palignr $7, %xmm5, %xmm6   ");
        asm("   movaps  %xmm6, 0x40(%rdi)  ");
        asm("   palignr $7, %xmm4, %xmm5   ");
        asm("   movaps  %xmm5, 0x30(%rdi)  ");
        asm("   palignr $7, %xmm3, %xmm4   ");
        asm("   movaps  %xmm4, 0x20(%rdi)  ");
        asm("   palignr $7, %xmm2, %xmm3   ");
        asm("   movaps  %xmm3, 0x10(%rdi)  ");
        asm("   palignr $7, %xmm1, %xmm2   ");
        asm("   movaps  %xmm2, (%rdi)      ");

        asm("   leaveq                     ");
        asm("   retq                       ");

        int main(void)
        {
        uint8_t * src = (uint8_t*)malloc(sizeof(uint8_t)*(128+7));
        uint8_t * des = (uint8_t*)malloc(sizeof(uint8_t)*128);
        int i = 0;
        for(;i<128;++i)
        {
                src[i] = 0xFF;
        }
        src[0] = 0x0;
        src[1]=0x1;
        src[2]=0x2;
        src[7]=0x7;
        src[8]=0x8;
        src[9]=0x9;
        src[10]=0xA;
        src[126]=0xB;
        src[127]=0xA;
        src+=7;
        shl_7(des,src);
        i = 0;
        for(;i<128;++i)
        {
                //printf("%d,%d/n",i,des[i]);
        }
        i = 0;
        for(;i<100000000;++i)
        {
                #ifdef _SLOW
                    shl_7(des,src);
                #endif
                #ifdef _FAST
                    shl_7_f(des,src);
                #endif
        }

        return 0;
}