Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/builtin-ffs-1.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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68:561a7518be6b | 111:04ced10e8804 |
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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" } } */ |