GCC warning
#include <cassert> | |
#include <cstdint> | |
enum Register_count { | |
gpr_registers_count = 0, | |
fpr_registers_count, | |
msa_registers_count, | |
register_set_count | |
}; | |
uint8_t m_registers_count[register_set_count]; | |
uint32_t m_num_registers; | |
int tinkywinky(void) { | |
assert(m_num_registers == m_registers_count[gpr_registers_count] + | |
m_registers_count[fpr_registers_count] + | |
m_registers_count[msa_registers_count]); | |
return 0; | |
} | |
$ g++ -Wall tinky.cpp -std=gnu++11 -c | |
In file included from /usr/include/c++/6.2.1/cassert:44:0, | |
from tinky.cpp:1: | |
tinky.cpp: In function ‘int tinkywinky()’: | |
tinky.cpp:15:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] | |
assert(m_num_registers == m_registers_count[gpr_registers_count] + | |
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
m_registers_count[fpr_registers_count] + | |
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
m_registers_count[msa_registers_count]); | |
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
$ g++ --version | |
g++ (GCC) 6.2.1 20160916 (Red Hat 6.2.1-2) | |
Copyright (C) 2016 Free Software Foundation, Inc. | |
This is free software; see the source for copying conditions. There is NO | |
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
$ ./clang++ -Wall tinky.cpp -std=gnu++11 -c | |
$ ./clang++ --version | |
clang version 5.0.0 (trunk 300550) (llvm/trunk 300553) | |
Target: x86_64-unknown-linux-gnu | |
Thread model: posix | |
InstalledDir: /home/davide/work/llvm/build-clang/bin/. |
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