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[Bug target/79971] ICE in const_binop, at fold-const.c:1554 on ARM target with saturated integers
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 09 Mar 2017 13:21:22 +0000
- Subject: [Bug target/79971] ICE in const_binop, at fold-const.c:1554 on ARM target with saturated integers
- Auto-submitted: auto-generated
- References: <bug-79971-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79971
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Mar 9 13:20:50 2017
New Revision: 246002
URL: https://gcc.gnu.org/viewcvs?rev=246002&root=gcc&view=rev
Log:
2017-03-09 Richard Biener <rguenther@suse.de>
PR middle-end/79971
* gimple-expr.c (useless_type_conversion_p): Preserve
TYPE_SATURATING for fixed-point types.
* gcc.dg/fixed-point/pr79971.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/fixed-point/pr79971.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/gimple-expr.c
trunk/gcc/testsuite/ChangeLog