https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83067
Bug ID: 83067
Summary: wrong code on arm-linux-gnueabi
Product: gcc
Version: 5.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: yangyibiao at nju dot edu.cn
Target Milestone: ---
$ arm-linux-gnueabi-gcc --version
arm-linux-gnueabi-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
Copyright (C) 2015 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.
$ gcc --version
gcc --version
gcc (Ubuntu 5.4.1-2ubuntu1~16.04) 5.4.1 20160904
Copyright (C) 2015 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.
$ cat small.c
#define f(g) ({ unsigned long long u = (g); -((unsigned long long)(u));})
void main()
{
printf("%d\n", f(65527));
}
$ arm-linux-gnueabi-gcc -static small.c; ./a.out
-150998972
$ gcc small.c; ./a.out
-65527
