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

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

From: Andreas Gustafsson <>
To: "Maya Rashish" <>
Subject: Re: PR/54000 CVS commit: src/lib/libm
Date: Sat, 23 Feb 2019 12:58:44 +0200

 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,

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