comparison gcc/config/mips/mips.md @ 63:b7f97abdc517 gcc-4.6-20100522

update gcc from gcc-4.5.0 to gcc-4.6
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Mon, 24 May 2010 12:47:05 +0900
parents 77e2b8dfacca
children f6334be47118
comparison
equal deleted inserted replaced
56:3c8a44c06a95 63:b7f97abdc517
1 ;; Mips.md Machine Description for MIPS based processors 1 ;; Mips.md Machine Description for MIPS based processors
2 ;; Copyright (C) 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2 ;; Copyright (C) 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
3 ;; 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 3 ;; 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
4 ;; Free Software Foundation, Inc. 4 ;; Free Software Foundation, Inc.
5 ;; Contributed by A. Lichnewsky, lich@inria.inria.fr 5 ;; Contributed by A. Lichnewsky, lich@inria.inria.fr
6 ;; Changes by Michael Meissner, meissner@osf.org 6 ;; Changes by Michael Meissner, meissner@osf.org
7 ;; 64-bit r4000 support by Ian Lance Taylor, ian@cygnus.com, and 7 ;; 64-bit r4000 support by Ian Lance Taylor, ian@cygnus.com, and
8 ;; Brendan Eich, brendan@microunity.com. 8 ;; Brendan Eich, brendan@microunity.com.
2886 "TARGET_64BIT && !TARGET_MIPS16" 2886 "TARGET_64BIT && !TARGET_MIPS16"
2887 "dsra\t%0,%1,32" 2887 "dsra\t%0,%1,32"
2888 [(set_attr "type" "shift") 2888 [(set_attr "type" "shift")
2889 (set_attr "mode" "<MODE>")]) 2889 (set_attr "mode" "<MODE>")])
2890 2890
2891 ;; Logical shift by 32 or more results in proper SI values so 2891 ;; Logical shift by more than 32 results in proper SI values so truncation is
2892 ;; truncation is removed by the middle end. 2892 ;; removed by the middle end. Note that a logical shift by 32 is handled by
2893 ;; the previous pattern.
2893 (define_insn "*<optab>_trunc<mode>_exts" 2894 (define_insn "*<optab>_trunc<mode>_exts"
2894 [(set (match_operand:SUBDI 0 "register_operand" "=d") 2895 [(set (match_operand:SUBDI 0 "register_operand" "=d")
2895 (truncate:SUBDI 2896 (truncate:SUBDI
2896 (any_shiftrt:DI (match_operand:DI 1 "register_operand" "d") 2897 (any_shiftrt:DI (match_operand:DI 1 "register_operand" "d")
2897 (match_operand:DI 2 "const_arith_operand" ""))))] 2898 (match_operand:DI 2 "const_arith_operand" ""))))]