1 #include<stdio.h>
2 #include<inttypes.h>
3 int main()
4 {
5 uint8_t
a[8]={1,2,3,4,5,6,7,8},b[8]={1,2,3,4,5,6,7,8},i;
6 asm("movq (%1), %%mm0 \n"
7 "paddb (%0), %%mm0 \n"
8 "movq %%mm0, (%0) \n"
9 :
10 :"r"(b),"r"(a)
11 :"%mm0"
12 );
13 for(i=0;i<8;i++)
14 printf("%d ",b[i]);
15 return 0;
16 }
17
Both the programs give the same output
WHY IS IT SO? i am using paddb and paddw. it dosent
make any diff?
1 #include<stdio.h>
2 #include<inttypes.h>
3 int main()
4 {
5 uint8_t
a[8]={1,2,3,4,5,6,7,8},b[8]={1,2,3,4,5,6,7,8},i;
6 asm("movq (%1), %%mm0 \n"
7 "paddd (%0), %%mm0 \n"
8 "movq %%mm0, (%0) \n"
9 :
10 :"r"(b),"r"(a)
11 :"%mm0"
12 );
13 for(i=0;i<8;i++)
14 printf("%d ",b[i]);
15 return 0;
16 }
17
~
ankit jain
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