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| author | Rui Ueyama <ruiu@google.com> | 2018-01-20 00:14:16 +0000 |
|---|---|---|
| committer | Rui Ueyama <ruiu@google.com> | 2018-01-20 00:14:16 +0000 |
| commit | 2f8af79927c5902900a7ddeef2300ea92a9fcf22 (patch) | |
| tree | 2dd82f0904259f5282bcb5eebdb1db37cb1b03a6 | |
| parent | 6f10bd21f08b045305ccc1abf4e43ff5a9104bdd (diff) | |
| download | bcm5719-llvm-2f8af79927c5902900a7ddeef2300ea92a9fcf22.tar.gz bcm5719-llvm-2f8af79927c5902900a7ddeef2300ea92a9fcf22.zip | |
Avoid divisions.
Compiler doesn't know the fact that Config->WordSize * 8 is always a
power of two, so it had to use the div instruction to divide some
number with C.
llvm-svn: 323014
| -rw-r--r-- | lld/ELF/SyntheticSections.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lld/ELF/SyntheticSections.cpp b/lld/ELF/SyntheticSections.cpp index 8168eaaf103..30c0cbb38e3 100644 --- a/lld/ELF/SyntheticSections.cpp +++ b/lld/ELF/SyntheticSections.cpp @@ -1743,7 +1743,7 @@ void GnuHashTableSection::writeTo(uint8_t *Buf) { // [1] Ulrich Drepper (2011), "How To Write Shared Libraries" (Ver. 4.1.2), // p.9, https://www.akkadia.org/drepper/dsohowto.pdf void GnuHashTableSection::writeBloomFilter(uint8_t *Buf) { - const unsigned C = Config->Wordsize * 8; + unsigned C = Config->Is64 ? 64 : 32; for (const Entry &Sym : Symbols) { size_t I = (Sym.Hash / C) & (MaskWords - 1); uint64_t Val = readUint(Buf + I * Config->Wordsize); |
