From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28463 invoked by alias); 17 May 2007 06:46:14 -0000 Received: (qmail 28412 invoked by uid 48); 17 May 2007 06:46:01 -0000 Date: Thu, 17 May 2007 06:46:00 -0000 Message-ID: <20070517064601.28411.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/24659] Conversions are not vectorized In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "ubizjak at gmail dot com" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2007-05/txt/msg01265.txt.bz2 ------- Comment #14 from ubizjak at gmail dot com 2007-05-17 07:45 ------- Altivec PPC has int->float cvt insn and provides signed/unsigned vec_unpack v8hi insn. It should be trivial to implement short->float and unsigned short->float conversions by providing vec_unpacks_float_lo_v8hi, vec_unpacks_float_hi_v8hi, vec_unpacku_float_lo_v8hi and vec_unpacku_float_hi_v8hi patterns (please look into i386/sse.md file). By providing these patterns, loops in gcc.dg/vect/vect-intfloat-conversion-4a.c and gcc.dg/vect/vect-intfloat-conversion-4b.c should be vectorized. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24659