mode_64bit = (info->mach == bfd_mach_x86_64_intel_syntax
|| info->mach == bfd_mach_x86_64);
- if (intel_syntax == -1)
+ if (intel_syntax == (char) -1)
intel_syntax = (info->mach == bfd_mach_i386_i386_intel_syntax
|| info->mach == bfd_mach_x86_64_intel_syntax);