pr33953.c

来自「用于进行gcc测试」· C语言 代码 · 共 36 行

/* { dg-do compile } */
/* { dg-require-effective-target vect_int } */

typedef unsigned int UINT32;

void blockmove_NtoN_blend_noremap32 (const UINT32 *srcdata, int srcwidth,
                                     int srcheight, int srcmodulo,
                                     UINT32 *dstdata, int dstmodulo, 
                                     int srcshift) 
{
 UINT32 *end;

 while (srcheight) 
   {
     while (dstdata <= end - 8) 
       {
         dstdata[0] |= srcdata[0] << srcshift;
         dstdata[1] |= srcdata[1] << srcshift;
         dstdata[2] |= srcdata[2] << srcshift;
         dstdata[3] |= srcdata[3] << srcshift;
         dstdata[4] |= srcdata[4] << srcshift;
         dstdata[5] |= srcdata[5] << srcshift;
         dstdata[6] |= srcdata[6] << srcshift;
         dstdata[7] |= srcdata[7] << srcshift;
         dstdata += 8;
         srcdata += 8;
       }
   }
}

/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  } } */
/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect"  } } */
/* { dg-final { cleanup-tree-dump "vect" } } */