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| author | Shuxin Yang <shuxin.llvm@gmail.com> | 2012-12-13 23:16:19 +0000 |
|---|---|---|
| committer | Shuxin Yang <shuxin.llvm@gmail.com> | 2012-12-13 23:16:19 +0000 |
| commit | 200e2370dc1b9216bbf1320ed7c14f9f035a6bd6 (patch) | |
| tree | 34f4ba5c6fc16d87769484f6204b905712326e48 /lib/Target/README.txt | |
| parent | 9ad73e93a51c473a90e010a489a9c7c221112030 (diff) | |
| download | llvm-200e2370dc1b9216bbf1320ed7c14f9f035a6bd6.tar.gz llvm-200e2370dc1b9216bbf1320ed7c14f9f035a6bd6.tar.bz2 llvm-200e2370dc1b9216bbf1320ed7c14f9f035a6bd6.tar.xz | |
Remove two popcount patterns which we are already able to recognize.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170158 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/README.txt')
| -rw-r--r-- | lib/Target/README.txt | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/lib/Target/README.txt b/lib/Target/README.txt index 8165f5b8cc..a9aab86abd 100644 --- a/lib/Target/README.txt +++ b/lib/Target/README.txt @@ -262,22 +262,7 @@ unsigned countbits_slow(unsigned v) { c += v & 1; return c; } -unsigned countbits_fast(unsigned v){ - unsigned c; - for (c = 0; v; c++) - v &= v - 1; // clear the least significant bit set - return c; -} -BITBOARD = unsigned long long -int PopCnt(register BITBOARD a) { - register int c=0; - while(a) { - c++; - a &= a - 1; - } - return c; -} unsigned int popcount(unsigned int input) { unsigned int count = 0; for (unsigned int i = 0; i < 4 * 8; i++) |