Avoid "variable 'bits' set but not used [-Wunused-but-set-variable]"
warnings with gcc-4.6, by not setting bits when the result is not
used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105790 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/Disassembler.cpp b/lib/System/Disassembler.cpp
index bad427a..139e3be 100644
--- a/lib/System/Disassembler.cpp
+++ b/lib/System/Disassembler.cpp
@@ -44,33 +44,29 @@
uint64_t pc) {
std::stringstream res;
-#if defined (__i386__) || defined (__amd64__) || defined (__x86_64__)
+#if (defined (__i386__) || defined (__amd64__) || defined (__x86_64__)) \
+ && USE_UDIS86
unsigned bits;
# if defined(__i386__)
bits = 32;
# else
bits = 64;
# endif
-
-# if USE_UDIS86
+
ud_t ud_obj;
-
+
ud_init(&ud_obj);
ud_set_input_buffer(&ud_obj, start, length);
ud_set_mode(&ud_obj, bits);
ud_set_pc(&ud_obj, pc);
ud_set_syntax(&ud_obj, UD_SYN_ATT);
-
+
res << std::setbase(16)
<< std::setw(bits/4);
-
+
while (ud_disassemble(&ud_obj)) {
res << ud_insn_off(&ud_obj) << ":\t" << ud_insn_asm(&ud_obj) << "\n";
}
-# else
- res << "No disassembler available. See configure help for options.\n";
-# endif
-
#else
res << "No disassembler available. See configure help for options.\n";
#endif