Re: PR/54000 CVS commit: src/lib/libm

[Andreas Gustafsson <gson%gson.org@localhost>]

The following reply was made to PR port-amd64/54000; it has been noted by GNATS.

From: Andreas Gustafsson <gson%gson.org@localhost>
To: "Maya Rashish" <maya%netbsd.org@localhost>
Cc: gnats-bugs%NetBSD.org@localhost
Subject: Re: PR/54000 CVS commit: src/lib/libm
Date: Sat, 23 Feb 2019 12:58:44 +0200

 Maya,
 
 You wrote:
 >  Default our libm to -frounding-math, if built with GCC.
 >  
 >  The long-standing GCC default is to not respect rounding mode.
 >  it looks like GCC 7 optimizes rint to a builtin, causing our few
 >  rounding mode tests to fail.
 >  
 >  Fixes PR port-amd64/54000: FP tests failing on amd64 since gcc7 import
 
 Thanks for working on this.  Your commit seems to have fixed the
 fe_nearbyint and fe_round tests, but the fpsetround_basic test is
 still failing for me (on real amd64 hardware).
 -- 
 Andreas Gustafsson, gson%gson.org@localhost