File: vec-rotate-2.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A12.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 959,712 kB
  • sloc: cpp: 3,275,382; ansic: 2,061,766; ada: 840,956; f90: 208,513; makefile: 76,132; asm: 73,433; xml: 50,448; exp: 34,146; sh: 32,436; objc: 15,637; fortran: 14,012; python: 11,991; pascal: 6,787; awk: 4,779; perl: 3,054; yacc: 338; ml: 285; lex: 201; haskell: 122
file content (18 lines) | stat: -rw-r--r-- 460 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
/* { dg-options "-O3 -mdejagnu-cpu=power8" } */

/* Check vectorizer can exploit vector rotation instructions on Power8, mainly
   for the case rotation count is const number.

   Check for vrld which is available on Power8 and above.  */

#define N 256
unsigned long long sud[N], rud[N];

void
testULL ()
{
  for (int i = 0; i < 256; ++i)
    rud[i] = (sud[i] >> 8) | (sud[i] << (sizeof (sud[0]) * 8 - 8));
}

/* { dg-final { scan-assembler {\mvrld\M} } } */