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Re: rfc: clobber all call-saved registers
- From: Alexandre Oliva <aoliva at redhat dot com>
- To: Richard Henderson <rth at redhat dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: 09 Jan 2002 20:10:57 -0200
- Subject: Re: rfc: clobber all call-saved registers
- Organization: GCC Team, Red Hat
- References: <20020108160411.A24399@redhat.com>
On Jan 8, 2002, Richard Henderson <rth@redhat.com> wrote:
> (1) A header file somewhere in the testsuite that has a whole
> whale-load of ifdefs and chooses the correct asm statement,
> (2) A compiler builtin that generates the correct asm statement
> based on the contents of call_used[].
How about a new entry for the list already containing "cc" and
"memory", acceptable in the clobbers of an extended asm?
asm ("" : : : "call_used");
--
Alexandre Oliva Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp oliva@{lsd.ic.unicamp.br, gnu.org}
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