comparison gcc/testsuite/gcc.dg/builtin-ffs-1.c @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 /* { dg-do compile } */
2 /* { dg-options "-O2" } */
3
4 extern int ffs (int) __asm ("__GI_ffs") __attribute__ ((nothrow, const));
5
6 int
7 ffsll (long long int i)
8 {
9 unsigned long long int x = i & -i;
10
11 if (x <= 0xffffffff)
12 return ffs (i);
13 else
14 return 32 + ffs (i >> 32);
15 }
16
17 /* { dg-final { scan-assembler-not "\nffs\n|\nffs\[^a-zA-Z0-9_\]|\[^a-zA-Z0-9_\]ffs\n" } } */