On 1/14/20 3:49 PM, Vineet Gupta wrote:
> 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
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
ent: Monday, December 09, 2019 8:02 PM
> >> To: gcc-patc...@gcc.gnu.org
> >> Cc: Claudiu Zissulescu ;
> >> andrew.burg...@embecosm.com; linux-snps-arc@lists.infradead.org;
> >> Vineet Gupta
> >> Subject: [PATCH] PR 92846: [ARC] generate signaling FDCMPF for hard flo
-Original Message-
>> From: Vineet Gupta [mailto:vgu...@synopsys.com]
>> Sent: Monday, December 09, 2019 8:02 PM
>> To: gcc-patc...@gcc.gnu.org
>> Cc: Claudiu Zissulescu ;
>> andrew.burg...@embecosm.com; linux-snps-arc@lists.infradead.org;
>> Vineet Gupta
>
To: gcc-patc...@gcc.gnu.org
> Cc: Claudiu Zissulescu ;
> andrew.burg...@embecosm.com; linux-snps-arc@lists.infradead.org;
> Vineet Gupta
> Subject: [PATCH] PR 92846: [ARC] generate signaling FDCMPF for hard float
> comparisons
>
> ARC gcc generates FDCMP instructions which raises Inva
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
