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| author | Nate Begeman <natebegeman@mac.com> | 2008-04-09 16:24:11 +0000 |
|---|---|---|
| committer | Nate Begeman <natebegeman@mac.com> | 2008-04-09 16:24:11 +0000 |
| commit | 59d28132bcd68f882c526b043380c359ffc465e6 (patch) | |
| tree | acb2ed242ac57d5ca6b5e4dc1d7ea66574aa0960 /utils | |
| parent | d4e0af9f8945a1fb7b053f542ab114eb5908350d (diff) | |
| download | llvm-59d28132bcd68f882c526b043380c359ffc465e6.tar.gz llvm-59d28132bcd68f882c526b043380c359ffc465e6.tar.bz2 llvm-59d28132bcd68f882c526b043380c359ffc465e6.tar.xz | |
Fix a bug where an incorrect bit mask would be generated if a target's last asm
string began at a power of 2 in the string index. For example, if "ret" started
at position 16, the ret instruction would be assigned code 16, but the mask would be AsmChars[] + Code & 15, not Code & 31.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49433 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils')
| -rw-r--r-- | utils/TableGen/AsmWriterEmitter.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/utils/TableGen/AsmWriterEmitter.cpp b/utils/TableGen/AsmWriterEmitter.cpp index 4ba22758a6..8fbb2cfbb6 100644 --- a/utils/TableGen/AsmWriterEmitter.cpp +++ b/utils/TableGen/AsmWriterEmitter.cpp @@ -536,7 +536,7 @@ void AsmWriterEmitter::run(std::ostream &O) { } // Figure out how many bits we used for the string index. - unsigned AsmStrBits = Log2_32_Ceil(MaxStringIdx); + unsigned AsmStrBits = Log2_32_Ceil(MaxStringIdx+1); // To reduce code size, we compactify common instructions into a few bits // in the opcode-indexed table. |