From: Andreas Schwab Date: Wed, 30 Dec 2009 23:03:46 +0000 (+0000) Subject: re PR target/42516 ([m68k] Suboptimal halfword swap on coldfire) X-Git-Tag: releases/gcc-4.5.0~1478 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=331fc6d84dc38acba2f660d84260f395a8e6cf29;p=thirdparty%2Fgcc.git re PR target/42516 ([m68k] Suboptimal halfword swap on coldfire) PR target/42516 * config/m68k/m68k.md (rotlsi_16): New insn. From-SVN: r155527 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bd540df9bba8..7263ff84f185 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2009-12-30 Andreas Schwab + + PR target/42516 + * config/m68k/m68k.md (rotlsi_16): New insn. + 2009-12-30 Joseph Myers PR c/42439 @@ -8,7 +13,7 @@ 2009-12-30 Ira Rosen PR tree-optimization/41956 - * tree-vect-slp.c (vect_supported_load_permutation_p): Add check that + * tree-vect-slp.c (vect_supported_load_permutation_p): Add check that the load indices differ. 2009-12-30 Uros Bizjak diff --git a/gcc/config/m68k/m68k.md b/gcc/config/m68k/m68k.md index 037bb372cc99..f89037f2e967 100644 --- a/gcc/config/m68k/m68k.md +++ b/gcc/config/m68k/m68k.md @@ -1,6 +1,6 @@ ;;- Machine description for GNU compiler, Motorola 68000 Version ;; Copyright (C) 1987, 1988, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2001, -;; 2002, 2003, 2004, 2005, 2006, 2007, 2008 +;; 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 ;; Free Software Foundation, Inc. ;; This file is part of GCC. @@ -5368,6 +5368,14 @@ ;; rotate instructions +(define_insn "rotlsi_16" + [(set (match_operand:SI 0 "register_operand" "=d") + (rotate:SI (match_operand:SI 1 "register_operand" "0") + (const_int 16)))] + "" + "swap %0" + [(set_attr "type" "shift")]) + (define_insn "rotlsi3" [(set (match_operand:SI 0 "register_operand" "=d") (rotate:SI (match_operand:SI 1 "register_operand" "0")