On 05/28/2015 12:41 PM, 田部 wrote:
> gcc is, in this code, or put out a warning?
> -O4 only???
-O3 and higher enables more aggressive loop unrolling. This happens in
the pass_complete_unrolli function. With -O3 or higher, the inner loop
is unrolled 12 times because the array size is 12. The arra
Hi there
I Japanese.
Poor English.
I like gcc.
But,
Why,
gcc is, in this code, or put out a warning?
-O4 only???
+ cat -n bug.c
1#include
2intary[2][12] ;
3voidfunc(intx,int y)
4{
5inti,j ;
6for(i = 0 ; i < x ; i++