Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/fold-popcount-4.c @ 131:84e7813d76e9
gcc-8.2
| author | mir3636 |
|---|---|
| date | Thu, 25 Oct 2018 07:37:49 +0900 |
| parents | |
| children |
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| 111:04ced10e8804 | 131:84e7813d76e9 |
|---|---|
| 1 /* { dg-do compile } */ | |
| 2 /* { dg-options "-O2 -fdump-tree-cddce1" } */ | |
| 3 | |
| 4 int test_shiftmax(unsigned int a) | |
| 5 { | |
| 6 return __builtin_popcount(a>>(8*sizeof(a)-1)); | |
| 7 } | |
| 8 | |
| 9 int test_shiftmaxl(unsigned long b) | |
| 10 { | |
| 11 return __builtin_popcountl(b>>(8*sizeof(b)-1)); | |
| 12 } | |
| 13 | |
| 14 int test_shiftmaxll(unsigned long long c) | |
| 15 { | |
| 16 return __builtin_popcountll(c>>(8*sizeof(c)-1)); | |
| 17 } | |
| 18 | |
| 19 int test_shift7(unsigned char d) | |
| 20 { | |
| 21 return __builtin_popcount(d>>7); | |
| 22 } | |
| 23 | |
| 24 int test_shift7l(unsigned char e) | |
| 25 { | |
| 26 return __builtin_popcountl(e>>7); | |
| 27 } | |
| 28 | |
| 29 int test_shift7ll(unsigned char f) | |
| 30 { | |
| 31 return __builtin_popcountll(f>>7); | |
| 32 } | |
| 33 | |
| 34 int test_shift15(unsigned short g) | |
| 35 { | |
| 36 return __builtin_popcount(g>>15); | |
| 37 } | |
| 38 | |
| 39 int test_shift15l(unsigned short h) | |
| 40 { | |
| 41 return __builtin_popcountl(h>>15); | |
| 42 } | |
| 43 | |
| 44 int test_shift15ll(unsigned short i) | |
| 45 { | |
| 46 return __builtin_popcountll(i>>15); | |
| 47 } | |
| 48 | |
| 49 /* { dg-final { scan-tree-dump-times "popcount" 0 "cddce1" } } */ | |
| 50 |