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comparison gcc/config/avr/avr.md @ 67:f6334be47118

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update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
date Tue, 22 Mar 2011 17:18:12 +0900
parents b7f97abdc517
children 04ced10e8804
comparison
equal deleted inserted replaced
65:65488c3d617d 67:f6334be47118
1 ;; -*- Mode: Scheme -*-
2 ;; Machine description for GNU compiler, 1 ;; Machine description for GNU compiler,
3 ;; for ATMEL AVR micro controllers. 2 ;; for ATMEL AVR micro controllers.
4 ;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2008, 3 ;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2008,
5 ;; 2009, 2010 Free Software Foundation, Inc. 4 ;; 2009, 2010 Free Software Foundation, Inc.
6 ;; Contributed by Denis Chertykov (chertykov@gmail.com) 5 ;; Contributed by Denis Chertykov (chertykov@gmail.com)
168 emit_clobber (gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (VOIDmode))); 167 emit_clobber (gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (VOIDmode)));
169 168
170 emit_clobber (gen_rtx_MEM (BLKmode, hard_frame_pointer_rtx)); 169 emit_clobber (gen_rtx_MEM (BLKmode, hard_frame_pointer_rtx));
171 170
172 emit_move_insn (hard_frame_pointer_rtx, r_fp); 171 emit_move_insn (hard_frame_pointer_rtx, r_fp);
173 emit_stack_restore (SAVE_NONLOCAL, r_sp, NULL_RTX); 172 emit_stack_restore (SAVE_NONLOCAL, r_sp);
174 173
175 emit_use (hard_frame_pointer_rtx); 174 emit_use (hard_frame_pointer_rtx);
176 emit_use (stack_pointer_rtx); 175 emit_use (stack_pointer_rtx);
177 176
178 emit_indirect_jump (r_label); 177 emit_indirect_jump (r_label);
2075 "" 2074 ""
2076 "#" 2075 "#"
2077 "reload_completed" 2076 "reload_completed"
2078 [(set (match_dup 2) (match_dup 1)) 2077 [(set (match_dup 2) (match_dup 1))
2079 (set (match_dup 3) (const_int 0))] 2078 (set (match_dup 3) (const_int 0))]
2080 "unsigned int low_off = subreg_lowpart_offset (QImode, HImode); 2079 {
2081 unsigned int high_off = subreg_highpart_offset (QImode, HImode); 2080 unsigned int low_off = subreg_lowpart_offset (QImode, HImode);
2082 2081 unsigned int high_off = subreg_highpart_offset (QImode, HImode);
2083 operands[2] = simplify_gen_subreg (QImode, operands[0], HImode, low_off); 2082
2084 operands[3] = simplify_gen_subreg (QImode, operands[0], HImode, high_off); 2083 operands[2] = simplify_gen_subreg (QImode, operands[0], HImode, low_off);
2085 ") 2084 operands[3] = simplify_gen_subreg (QImode, operands[0], HImode, high_off);
2085 })
2086 2086
2087 (define_insn_and_split "zero_extendqisi2" 2087 (define_insn_and_split "zero_extendqisi2"
2088 [(set (match_operand:SI 0 "register_operand" "=r") 2088 [(set (match_operand:SI 0 "register_operand" "=r")
2089 (zero_extend:SI (match_operand:QI 1 "register_operand" "r")))] 2089 (zero_extend:SI (match_operand:QI 1 "register_operand" "r")))]
2090 "" 2090 ""
2091 "#" 2091 "#"
2092 "reload_completed" 2092 "reload_completed"
2093 [(set (match_dup 2) (zero_extend:HI (match_dup 1))) 2093 [(set (match_dup 2) (zero_extend:HI (match_dup 1)))
2094 (set (match_dup 3) (const_int 0))] 2094 (set (match_dup 3) (const_int 0))]
2095 "unsigned int low_off = subreg_lowpart_offset (HImode, SImode); 2095 {
2096 unsigned int high_off = subreg_highpart_offset (HImode, SImode); 2096 unsigned int low_off = subreg_lowpart_offset (HImode, SImode);
2097 2097 unsigned int high_off = subreg_highpart_offset (HImode, SImode);
2098 operands[2] = simplify_gen_subreg (HImode, operands[0], SImode, low_off); 2098
2099 operands[3] = simplify_gen_subreg (HImode, operands[0], SImode, high_off); 2099 operands[2] = simplify_gen_subreg (HImode, operands[0], SImode, low_off);
2100 ") 2100 operands[3] = simplify_gen_subreg (HImode, operands[0], SImode, high_off);
2101 })
2101 2102
2102 (define_insn_and_split "zero_extendhisi2" 2103 (define_insn_and_split "zero_extendhisi2"
2103 [(set (match_operand:SI 0 "register_operand" "=r") 2104 [(set (match_operand:SI 0 "register_operand" "=r")
2104 (zero_extend:SI (match_operand:HI 1 "register_operand" "r")))] 2105 (zero_extend:SI (match_operand:HI 1 "register_operand" "r")))]
2105 "" 2106 ""
2106 "#" 2107 "#"
2107 "reload_completed" 2108 "reload_completed"
2108 [(set (match_dup 2) (match_dup 1)) 2109 [(set (match_dup 2) (match_dup 1))
2109 (set (match_dup 3) (const_int 0))] 2110 (set (match_dup 3) (const_int 0))]
2110 "unsigned int low_off = subreg_lowpart_offset (HImode, SImode); 2111 {
2111 unsigned int high_off = subreg_highpart_offset (HImode, SImode); 2112 unsigned int low_off = subreg_lowpart_offset (HImode, SImode);
2112 2113 unsigned int high_off = subreg_highpart_offset (HImode, SImode);
2113 operands[2] = simplify_gen_subreg (HImode, operands[0], SImode, low_off); 2114
2114 operands[3] = simplify_gen_subreg (HImode, operands[0], SImode, high_off); 2115 operands[2] = simplify_gen_subreg (HImode, operands[0], SImode, low_off);
2115 ") 2116 operands[3] = simplify_gen_subreg (HImode, operands[0], SImode, high_off);
2117 })
2116 2118
2117 (define_insn_and_split "zero_extendqidi2" 2119 (define_insn_and_split "zero_extendqidi2"
2118 [(set (match_operand:DI 0 "register_operand" "=r") 2120 [(set (match_operand:DI 0 "register_operand" "=r")
2119 (zero_extend:DI (match_operand:QI 1 "register_operand" "r")))] 2121 (zero_extend:DI (match_operand:QI 1 "register_operand" "r")))]
2120 "" 2122 ""
2121 "#" 2123 "#"
2122 "reload_completed" 2124 "reload_completed"
2123 [(set (match_dup 2) (zero_extend:SI (match_dup 1))) 2125 [(set (match_dup 2) (zero_extend:SI (match_dup 1)))
2124 (set (match_dup 3) (const_int 0))] 2126 (set (match_dup 3) (const_int 0))]
2125 "unsigned int low_off = subreg_lowpart_offset (SImode, DImode); 2127 {
2126 unsigned int high_off = subreg_highpart_offset (SImode, DImode); 2128 unsigned int low_off = subreg_lowpart_offset (SImode, DImode);
2127 2129 unsigned int high_off = subreg_highpart_offset (SImode, DImode);
2128 operands[2] = simplify_gen_subreg (SImode, operands[0], DImode, low_off); 2130
2129 operands[3] = simplify_gen_subreg (SImode, operands[0], DImode, high_off); 2131 operands[2] = simplify_gen_subreg (SImode, operands[0], DImode, low_off);
2130 ") 2132 operands[3] = simplify_gen_subreg (SImode, operands[0], DImode, high_off);
2133 })
2131 2134
2132 (define_insn_and_split "zero_extendhidi2" 2135 (define_insn_and_split "zero_extendhidi2"
2133 [(set (match_operand:DI 0 "register_operand" "=r") 2136 [(set (match_operand:DI 0 "register_operand" "=r")
2134 (zero_extend:DI (match_operand:HI 1 "register_operand" "r")))] 2137 (zero_extend:DI (match_operand:HI 1 "register_operand" "r")))]
2135 "" 2138 ""
2136 "#" 2139 "#"
2137 "reload_completed" 2140 "reload_completed"
2138 [(set (match_dup 2) (zero_extend:SI (match_dup 1))) 2141 [(set (match_dup 2) (zero_extend:SI (match_dup 1)))
2139 (set (match_dup 3) (const_int 0))] 2142 (set (match_dup 3) (const_int 0))]
2140 "unsigned int low_off = subreg_lowpart_offset (SImode, DImode); 2143 {
2141 unsigned int high_off = subreg_highpart_offset (SImode, DImode); 2144 unsigned int low_off = subreg_lowpart_offset (SImode, DImode);
2142 2145 unsigned int high_off = subreg_highpart_offset (SImode, DImode);
2143 operands[2] = simplify_gen_subreg (SImode, operands[0], DImode, low_off); 2146
2144 operands[3] = simplify_gen_subreg (SImode, operands[0], DImode, high_off); 2147 operands[2] = simplify_gen_subreg (SImode, operands[0], DImode, low_off);
2145 ") 2148 operands[3] = simplify_gen_subreg (SImode, operands[0], DImode, high_off);
2149 })
2146 2150
2147 (define_insn_and_split "zero_extendsidi2" 2151 (define_insn_and_split "zero_extendsidi2"
2148 [(set (match_operand:DI 0 "register_operand" "=r") 2152 [(set (match_operand:DI 0 "register_operand" "=r")
2149 (zero_extend:DI (match_operand:SI 1 "register_operand" "r")))] 2153 (zero_extend:DI (match_operand:SI 1 "register_operand" "r")))]
2150 "" 2154 ""
2151 "#" 2155 "#"
2152 "reload_completed" 2156 "reload_completed"
2153 [(set (match_dup 2) (match_dup 1)) 2157 [(set (match_dup 2) (match_dup 1))
2154 (set (match_dup 3) (const_int 0))] 2158 (set (match_dup 3) (const_int 0))]
2155 "unsigned int low_off = subreg_lowpart_offset (SImode, DImode); 2159 {
2156 unsigned int high_off = subreg_highpart_offset (SImode, DImode); 2160 unsigned int low_off = subreg_lowpart_offset (SImode, DImode);
2157 2161 unsigned int high_off = subreg_highpart_offset (SImode, DImode);
2158 operands[2] = simplify_gen_subreg (SImode, operands[0], DImode, low_off); 2162
2159 operands[3] = simplify_gen_subreg (SImode, operands[0], DImode, high_off); 2163 operands[2] = simplify_gen_subreg (SImode, operands[0], DImode, low_off);
2160 ") 2164 operands[3] = simplify_gen_subreg (SImode, operands[0], DImode, high_off);
2165 })
2161 2166
2162 ;;<=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=> 2167 ;;<=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=>
2163 ;; compare 2168 ;; compare
2164 2169
2165 ; Optimize negated tests into reverse compare if overflow is undefined. 2170 ; Optimize negated tests into reverse compare if overflow is undefined.