diff options
Diffstat (limited to 'source/slang/slang-emit-c-like.cpp')
| -rw-r--r-- | source/slang/slang-emit-c-like.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/source/slang/slang-emit-c-like.cpp b/source/slang/slang-emit-c-like.cpp index 5f784cba3..538ef369a 100644 --- a/source/slang/slang-emit-c-like.cpp +++ b/source/slang/slang-emit-c-like.cpp @@ -783,8 +783,14 @@ void CLikeSourceEmitter::emitSimpleValueImpl(IRInst* inst) // Why having a cast or having a suffix would make a difference though is not clear. It is also possible that the // L suffix is just ignored, and the literal is really a 'non typed' int literal in C++. + // This little hack is needed for gcc that if we have the expression + // int(-0x80000000) we get the warning: warning : integer overflow in expression [-Woverflow] + // 0x80000000 and -0x80000000 mean the same thing when casted to 32 bit int, so we just flip the value here. + IRIntegerValue value = litInst->value.intVal; + value = (value == -0x80000000ll) ? -value : value; + m_writer->emit("int("); - m_writer->emit(litInst->value.intVal); + m_writer->emit(value); m_writer->emit(")"); return; } |