Reminder !!! ~Umesh
On Wed, Jul 18, 2018 at 6:01 PM, Umesh Kalappa <umesh.kalap...@gmail.com> wrote: > Hi Nagy/Ramana, > > Please help us to review the attached patch and do let me know your comments . > > No regress in the gcc.target suite for arm target. > > Thank you > ~Umesh > > On Tue, Jul 17, 2018 at 4:01 PM, Umesh Kalappa <umesh.kalap...@gmail.com> > wrote: >> Will do, thanks. >> Thanks >> >> On Tue, Jul 17, 2018, 3:24 PM Ramana Radhakrishnan >> <ramana....@googlemail.com> wrote: >>> >>> On Tue, Jul 17, 2018 at 10:41 AM, Umesh Kalappa >>> <umesh.kalap...@gmail.com> wrote: >>> > Hi Nagy, >>> > >>> > Please help us with your comments on the attached patch for the issue >>> > (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86512) >>> > >>> > Thank you and waiting for your inputs on the same. >>> >>> >>> Patches should be sent to gcc-patches@gcc.gnu.org with a clear >>> description of what the patch hopes to >>> achieve and why this is correct, how was it tested and if a regression >>> test needs to be added - add one please. >>> Please read https://gcc.gnu.org/contribute.html before sending a patch. >>> >>> This is the wrong list to send patches to. >>> >>> regards >>> Ramana >>> > ~Umesh >>> > >>> > On Fri, Jul 13, 2018 at 1:22 PM, Umesh Kalappa >>> > <umesh.kalap...@gmail.com> wrote: >>> >> Thank you and issue raised at >>> >> gcc-patches@gcc.gnu.org >>> >> >>> >> ~Umesh >>> >> >>> >> On Thu, Jul 12, 2018 at 9:33 PM, Szabolcs Nagy <szabolcs.n...@arm.com> >>> >> wrote: >>> >>> On 12/07/18 16:20, Umesh Kalappa wrote: >>> >>>> >>> >>>> Hi everyone, >>> >>>> >>> >>>> we have our source base ,that was compiled for armv7 on gcc8.1 with >>> >>>> soft-float and for following input >>> >>>> >>> >>>> a=0x0010000000000000 >>> >>>> b=0x0000000000000001 >>> >>>> >>> >>>> result = a - b ; >>> >>>> >>> >>>> we are getting the result as "0x000ffffffffffffe" and with >>> >>>> -mhard-float (disabled the flush to zero mode ) we are getting the >>> >>>> result as ""0x000fffffffffffff" as expected. >>> >>>> >>> >>> >>> >>> please submit it as a bug report to bugzilla >>> >>> >>> >>> >>> >>>> while debugging the soft-float code,we see that ,the compiler calls >>> >>>> the intrinsic "__aeabi_dsub" with arm calling conventions i.e passing >>> >>>> "a" in r0 and r1 registers and respectively for "b". >>> >>>> >>> >>>> we are investigating the routine "__aeabi_dsub" that comes from >>> >>>> libgcc >>> >>>> for incorrect result and meanwhile we would like to know that >>> >>>> >>> >>>> a)do libgcc routines/intrinsic for float operations support or >>> >>>> consider the subnormal values ? ,if so how we can enable the same. >>> >>>> >>> >>>> Thank you >>> >>>> ~Umesh >>> >>>> >>> >>>
