File: altivec-perm-3.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 (23 lines) | stat: -rw-r--r-- 626 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
/* { dg-do compile } */
/* { dg-require-effective-target powerpc_altivec_ok } */
/* { dg-skip-if "" { powerpc*le-*-* } } */
/* { dg-options "-O -maltivec -mno-vsx" } */

typedef unsigned char V __attribute__((vector_size(16)));

V p2(V x, V y)
{
  return __builtin_shuffle(x, y,
	(V){ 1,  3,  5,  7,  9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31 });

}

V p4(V x, V y)
{
  return __builtin_shuffle(x, y,
	(V){ 2,  3,  6,  7, 10, 11, 14, 15, 18, 19, 22, 23, 26, 27, 30, 31 });
}

/* { dg-final { scan-assembler-not "vperm" } } */
/* { dg-final { scan-assembler "vpkuhum" } } */
/* { dg-final { scan-assembler "vpkuwum" } } */