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Re: basic-improvements merge status
- From: David Edelsohn <dje at watson dot ibm dot com>
- To: Jan Hubicka <jh at suse dot cz>
- Cc: Zack Weinberg <zack at codesourcery dot com>, gcc at gcc dot gnu dot org, libstdc++ at gcc dot gnu dot org
- Date: Mon, 16 Dec 2002 17:38:56 -0500
- Subject: Re: basic-improvements merge status
>>>>> Jan Hubicka writes:
>> #ifndef HAVE_SINF
>> float
>> sinf(float x)
>> {
>> return (float) sin(x);
>> }
>> #endif
>>
>> is being compiled as
Jan> I think we can deal with -fno-builtin-fsin to avoid gcc from being
Jan> active on optimizing this.
Jan> The name sinf is reserved by C90 standard, so this is not valid C.
float
foo (float x)
{
return (float) sin(x);
}
always should be valid without the user having to specify -fno-builtin, as
your change requires on systems without sinf(). stubs.c could be compiled
with -fno-builtin, but that's just covering up the incorrect assumption in
the transformation.
David