[cfe-dev] -no-implicit-float for ARM

Sandeep Patel deeppatel1987 at gmail.com
Mon May 14 17:43:15 PDT 2012

On ARM, if -msoft-float is set, doesn't that already imply -no-implicit-float?

You want to set it in the case where -msoft-float otherwise isn't desired?


On Tue, May 15, 2012 at 12:31 AM, Chad Rosier <mcrosier at apple.com> wrote:
> I would like to add a command line option, -no-implicit-float, that will
> cause the noimplicitfloat attribute to be added to functions when targeting
> ARM.  This attribute disables implicit floating point instructions.  X86
> already utilizes this attribute when the -msoft-float option is used.
> Unfortunately, we can't use -msoft-float on ARM, because it's already
> defined to mean something else.  Therefore, I would like to propose we allow
> the driver to accept the -no-implicit-float option directly (i.e., basically
> forwarding the -no-implocit-float option to cc1).  Does anyone have any
> opinions, comments or suggestions?
>  Regards,
>   Chad
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