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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org On 12/9/19 11:02 AM, Vineet Gupta wrote: > ARC gcc generates FDCMP instructions which raises Invalid operation for > signaling NaN only. This causes glibc iseqsig() primitives to fail (in > the current ongoing glibc port to ARC) > > So split up the hard float compares into two categories and for unordered > compares generate the FDCMPF instruction (vs. FDCMP) which raises exception > for either NaNs. > > With this fix testsuite/gcc.dg/torture/pr52451.c passes for ARC. > > Also passes 6 additional tests in glibc testsuite (test*iseqsig) and no > regressions Can this be backported to gcc-9 please ? glibc testing uses gcc-9 Thx, -Vineet _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc