Re: basic-improvements merge status

[Gabriel Dos Reis <gdr at integrable-solutions dot net>]

Jan Hubicka <jh@suse.cz> writes:

| > Jan Hubicka <jh@suse.cz> writes:
| > 
| > | -fno-builtin-sin does the trick.
| > 
| > The issue isn't about the lack of built-in sin.  It is about lack of
| > support (either hardwired or in library) for sin{, f,l}.
| 
| libstdc++ does provide these.  All we need is to move them into libgcc
| and use -fno-builtin-sin to compile file in question.
| What do you see wrong about using the -fno-builtin to compile runtime
| support that must be done in a way breaking C90 standard?

My grip about -fno-builtin is that it operates (at least that is my
understanding) in a yes/no mode whereas in practice we need something
that can understand gray variation.  That is, the builtins are not all
missing at the same time; we should be able to make the compiler
understand that. 

-- Gaby