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| author | Eli Friedman <eli.friedman@gmail.com> | 2011-10-13 23:27:48 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-10-13 23:27:48 +0000 |
| commit | d83a54fd35026b540b54df43abae0618d4527668 (patch) | |
| tree | d339d0ffb8bb99497e5c9618cc4f7150e5ed21a1 /lib | |
| parent | 2dd0cfe118dc133721364515f7db4d1f22652ae3 (diff) | |
| download | llvm-d83a54fd35026b540b54df43abae0618d4527668.tar.gz llvm-d83a54fd35026b540b54df43abae0618d4527668.tar.bz2 llvm-d83a54fd35026b540b54df43abae0618d4527668.tar.xz | |
Simplify assertion, and avoid undefined shift. Based on patch by Ahmed Charles.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141912 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp b/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp index 039e59d1d6..69ad7d7b6b 100644 --- a/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp +++ b/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp @@ -98,14 +98,7 @@ public: // Specifically ignore overflow/underflow as long as the leakage is // limited to the lower bits. This is to remain compatible with // other assemblers. - - const uint64_t Mask = ~0ULL; - const uint64_t UpperV = (Value >> (Size * 8)); - const uint64_t MaskF = (Mask >> (Size * 8)); - (void)UpperV; - (void)MaskF; - assert(((Size == 8) || - ((UpperV & MaskF) == 0ULL) || ((UpperV & MaskF) == MaskF)) && + assert(isIntN(Size * 8 + 1, Value) && "Value does not fit in the Fixup field"); for (unsigned i = 0; i != Size; ++i) |