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Re: [PATCH] Add XFAIL_ROUNDING_IBM128_LIBGCC to more fma() tests
- From: Joseph Myers <joseph at codesourcery dot com>
- To: Tulio Magno Quites Machado Filho <tuliom at linux dot ibm dot com>
- Cc: <libc-alpha at sourceware dot org>, <fweimer at redhat dot com>, <carlos at redhat dot com>
- Date: Mon, 14 Jan 2019 21:33:49 +0000
- Subject: Re: [PATCH] Add XFAIL_ROUNDING_IBM128_LIBGCC to more fma() tests
- References: <alpine.DEB.2.20.1806132305161.17472@digraph.polyomino.org.uk> <20190114200936.21108-1-tuliom@linux.ibm.com>
On Mon, 14 Jan 2019, Tulio Magno Quites Machado Filho wrote:
> Contrary to what I had thought: this is indeed caused by spurious
> overflows from libgcc (confirmed with the patch applied to libgcc).
> We can suppress the all errors with XFAIL_ROUNDING_IBM128_LIBGCC.
In that case - if it's only an issue in non-default rounding modes - this
patch is OK.
--
Joseph S. Myers
joseph@codesourcery.com