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[Bug fortran/34040] [4.3 Regression] ICE: in simplify_subreg, at simplify-rtx.c:4921 building libgfortran
- From: "fxcoudert at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 13 Nov 2007 12:28:38 -0000
- Subject: [Bug fortran/34040] [4.3 Regression] ICE: in simplify_subreg, at simplify-rtx.c:4921 building libgfortran
- References: <bug-34040-14721@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from fxcoudert at gcc dot gnu dot org 2007-11-13 12:28 -------
(In reply to comment #4)
> __builtin_copysign has got SFmode(*)(SFmode, SFmode) prototype and is invoked
> on DFmode arguments.
copysign takes doubles and returns a double. Does the SH double have SF mode in
the conditions of this PR? It is assumed, throughout the Fortran front-end,
that SF mode corresponds to float, and DF corresponds to double. (This will be
changed for 4.4, but not before... it's a most significant reworking.)
--
fxcoudert at gcc dot gnu dot org changed:
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34040