File: pr56157.c

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
file content (25 lines) | stat: -rw-r--r-- 700 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
/* { dg-do compile } */
/* { dg-options "-ftree-vectorize" } */

struct Pixel {
    unsigned short r;
    unsigned short g;
    unsigned short b;
    unsigned short a;
};

void fn(unsigned char * __restrict dst, const unsigned char * __restrict src)
{
  unsigned x;
  for(x = 0; x < 1024; x += 1)
    {
      struct Pixel pixel;
      pixel.r = (unsigned short)(((unsigned)src[0]) * 0xffff / 0xff);
      pixel.g = (unsigned short)(((unsigned)src[1]) * 0xffff / 0xff);
      pixel.b = (unsigned short)(((unsigned)src[2]) * 0xffff / 0xff);
      pixel.a = (unsigned short)(((unsigned)src[3]) * 0xffff / 0xff);
      __builtin_memcpy(dst, &pixel, sizeof pixel);
      src += 4;
      dst += 8;
    }
}