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| author | Daniel Sanders <daniel.sanders@imgtec.com> | 2014-06-24 12:26:49 +0000 |
|---|---|---|
| committer | Daniel Sanders <daniel.sanders@imgtec.com> | 2014-06-24 12:26:49 +0000 |
| commit | 2523346594d27d262ede0e48b861214a313660cf (patch) | |
| tree | f64d4ead13899993373cca75820e51bad2adccd5 /lib/Support | |
| parent | 0e6156a1a2579fdb1dfc139bf09caf5a930a4052 (diff) | |
| download | llvm-2523346594d27d262ede0e48b861214a313660cf.tar.gz llvm-2523346594d27d262ede0e48b861214a313660cf.tar.bz2 llvm-2523346594d27d262ede0e48b861214a313660cf.tar.xz | |
[mips] Use __clear_cache builtin instead of cacheflush() in Unix Memory::InvalidateInstructionCache()
MIPS64 Android bionic has removed cacheflush(). Use __clear_cache() instead for 32-bit and 64-bit MIPS
Patch by Duane Sand <Duane.Sand@imgtec.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211588 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support')
| -rw-r--r-- | lib/Support/Unix/Memory.inc | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/lib/Support/Unix/Memory.inc b/lib/Support/Unix/Memory.inc index c9d89a8247..cae39d4edc 100644 --- a/lib/Support/Unix/Memory.inc +++ b/lib/Support/Unix/Memory.inc @@ -333,23 +333,15 @@ void Memory::InvalidateInstructionCache(const void *Addr, for (intptr_t Line = StartLine; Line < EndLine; Line += LineSize) asm volatile("icbi 0, %0" : : "r"(Line)); asm volatile("isync"); -# elif (defined(__arm__) || defined(__aarch64__)) && defined(__GNUC__) +# elif (defined(__arm__) || defined(__aarch64__) || defined(__mips__)) && defined(__GNUC__) // FIXME: Can we safely always call this for __GNUC__ everywhere? + // Use compiler's builtin const char *Start = static_cast<const char *>(Addr); const char *End = Start + Len; __clear_cache(const_cast<char *>(Start), const_cast<char *>(End)); # elif defined(__mips__) const char *Start = static_cast<const char *>(Addr); -# if defined(ANDROID) - // The declaration of "cacheflush" in Android bionic: - // extern int cacheflush(long start, long end, long flags); - const char *End = Start + Len; - long LStart = reinterpret_cast<long>(const_cast<char *>(Start)); - long LEnd = reinterpret_cast<long>(const_cast<char *>(End)); - cacheflush(LStart, LEnd, BCACHE); -# else cacheflush(const_cast<char *>(Start), Len, BCACHE); -# endif # endif #endif // end apple |