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Re: [PATCH] Compile dbl-64/e_sqrt.c with -ffp-contract=off
- From: OndÅej BÃlka <neleai at seznam dot cz>
- To: Marcus Shawcroft <marcus dot shawcroft at linaro dot org>
- Cc: GNU C Library <libc-alpha at sourceware dot org>
- Date: Wed, 18 Dec 2013 11:23:00 +0100
- Subject: Re: [PATCH] Compile dbl-64/e_sqrt.c with -ffp-contract=off
- Authentication-results: sourceware.org; auth=none
- References: <CABXK9nc3JNvzORqgqfqYU7W48viyawJmeuFZFGujHBMxeGATBQ at mail dot gmail dot com>
On Tue, Dec 17, 2013 at 06:18:32PM +0000, Marcus Shawcroft wrote:
> This is a re-spin of a patch I posted earlier on libc-ports. The
> patch fixes the numerical errors observed in aarch64 sqrt() due to the
> compilers use of fnmsub (negated fused multiply-subtract).
>
> Previous thread:
> https://sourceware.org/ml/libc-alpha/2013-12/msg00473.html
>
> Previous patch on libc-ports:
> https://sourceware.org/ml/libc-ports/2013-12/msg00024.html
>
> Ok?
>
looks ok