On Thu, Aug 26, 2021 at 6:53 PM Segher Boessenkool
wrote:
>
> Hi!
>
> On Thu, Aug 26, 2021 at 02:57:35PM -0400, David Edelsohn wrote:
> > * config/rs6000/ibm-ldouble.c (ldouble_qadd_internal): Rename
> > from
> > __gcc_qadd.
> > (__gcc_qadd): Call ldouble_qadd_
Hi!
On Thu, Aug 26, 2021 at 02:57:35PM -0400, David Edelsohn wrote:
> * config/rs6000/ibm-ldouble.c (ldouble_qadd_internal): Rename from
> __gcc_qadd.
> (__gcc_qadd): Call ldouble_qadd_internal.
> (__gcc_qsub): Call ldouble_qadd_internal with second
While performing some tests of IEEE 128 float for PPC64LE, Michael
Meissner noticed that __gcc_qsub is substantially slower than
__gcc_qadd. __gcc_qsub calls __gcc_add with the second operand
negated. Because the functions normally are invoked through
libgcc shared object, the