Using the -O flag, the longcall attribute is ignored by the compiler when
replacing printf() with puts(), even if a prototype for puts() exists with a
long call. The test case below illustrates this.
======
int printf(const char *format, ...) __attribute__ ((__longcall__));
int puts(const char *s) __attribute__ ((__longcall__));
int main(int argc, char* argv[])
{
printf("Should be a long call\n");
return 0;
}
======
At the moment I'm using -fno-builtin-printf as a workaround.
--
Summary: printf() optimisation ignores longcall attribute
Product: gcc
Version: 3.4.3
Status: UNCONFIRMED
Severity: minor
Priority: P2
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jason at catapult dot com
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: i686-pc-linux-gnu
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: powerpc-eabi
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19746
