Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/rotate-9.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 84e7813d76e9 |
children |
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/* PR tree-optimization/86401 */ /* { dg-do compile } */ /* { dg-options "-O2 -fno-ipa-icf -fdump-tree-optimized" } */ /* { dg-final { scan-tree-dump-times "r\[<>]\[<>]" 2 "optimized" } } */ unsigned int f1 (unsigned int x, unsigned int s) { unsigned int t = s % (__CHAR_BIT__ * __SIZEOF_INT__); return (x << t) | (x >> (((__CHAR_BIT__ * __SIZEOF_INT__) - t) % (__CHAR_BIT__ * __SIZEOF_INT__))); } unsigned int f2 (unsigned int x, unsigned int s) { int n = __CHAR_BIT__ * __SIZEOF_INT__; unsigned int t = s % n; return (x << t) | (x >> ((n - t) % n)); }