PATCH: [3.3 branch] IA64 bootstrap failure

[Zack Weinberg]

"H. J. Lu" <hjl@lucon.org> writes:

>> in the generated insn-conditions.c. It means the stage1 compiler may
>> be different from the stage2 compiler, depending on what compiler is
>> used to bootstrap gcc. I think insn-conditions.c should be the same
>> regardless the compiler used to boostrap.
>> 
>> 
>
> I am testing this patch now.
>
>
> H.J.
>
> 2003-07-08  H.J. Lu <hongjiu.lu@intel.com>
>
> 	* aclocal.m4 (gcc_AC_BUILTIN_CONSTANT_P): New.
> 	* configure.in: Use it.
> 	* configure: Regenerated.
> 	* config.in: Likewise.
>
> 	* genconditions.c (write_header): Use __builtin_constant_p if
> 	HAVE_BUILTIN_CONSTANT_P is defined.

Rejected, even if it fixes the bug.  Your autoconf test is wrong -
__builtin_constant_p existed all the way back to 2.7 or earlier, but
did not do what insn-conditions.c needs until 3.0.1 - and furthermore
this merely papers over the real bug, which is somewhere else.

zw