File: pr40470-3.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 (22 lines) | stat: -rw-r--r-- 609 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
 
/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
/* { dg-options "-msse4" } */
#include <nmmintrin.h>
__m128i load (char *);
char *
foo (char *p1, char *p2,
     int bmsk, __m128i mask1, __m128i mask2)
{
  int len = 0;
  __m128i frag1, frag2;
  int  cmp_s;
  if( !p2[0]) return p1;
  if( !p1[0] ) return NULL;
  frag2 = load (p2); 
  frag1 = load (p1);
  frag2 = _mm_blendv_epi8(frag2, mask2, mask1);
  frag1 = _mm_blendv_epi8(frag1, mask1, mask2);
  cmp_s = _mm_cmpistrs(frag2, frag1, 0x0c);
  if( cmp_s )
    __asm("bsfl %[bmsk], %[len]" : [len] "=r" (len) : [bmsk] "r" (bmsk) );
  return p1 + len;
}