[PATCH] Disable use of FMA instructions in branred
Carlos O'Donell
carlos@systemhalted.org
Fri Mar 16 15:26:00 GMT 2012
On Fri, Mar 16, 2012 at 11:14 AM, Andreas Schwab <schwab@linux-m68k.org> wrote:
> __branred depends on precise double precision, and falls down completely
> if the compiler is allowed to contract floating-point expressions (which
> is does by default).
>
> Andreas.
>
> 2012-03-16 Andreas Schwab <schwab@linux-m68k.org>
>
> * configure.in (libc_cv_cc_nofma): Check for option to disable
> generation of FMA instructions.
> * configure: Regenerate.
> * config.make.in (config-cflags-nofma): Set from libc_cv_cc_nofma.
> * math/Makefile (CFLAGS-branred.c): Define.
Is this caught by the current testsuite?
If not, could we add a test for this regression?
Cheers,
Carlos.
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