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comparison gcc/config/picochip/libgccExtras/cmpsi2.asm @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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-1:000000000000 0:a06113de4d67
1 // picoChip ASM file
2 //.file "ucmpsi2.c"
3 //
4 // Support for 32-bit signed compare.
5 //
6 // Copyright (C) 2003, 2004, 2005, 2008, 2009 Free Software Foundation, Inc.
7 // Contributed by picoChip Designs Ltd.
8 // Maintained by Daniel Towner (daniel.towner@picochip.com)
9 //
10 // This file is free software; you can redistribute it and/or modify it
11 // under the terms of the GNU General Public License as published by the
12 // Free Software Foundation; either version 3, or (at your option) any
13 // later version.
14 //
15 // This file is distributed in the hope that it will be useful, but
16 // WITHOUT ANY WARRANTY; without even the implied warranty of
17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 // General Public License for more details.
19 //
20 // Under Section 7 of GPL version 3, you are granted additional
21 // permissions described in the GCC Runtime Library Exception, version
22 // 3.1, as published by the Free Software Foundation.
23 //
24 // You should have received a copy of the GNU General Public License and
25 // a copy of the GCC Runtime Library Exception along with this program;
26 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
27 // <http://www.gnu.org/licenses/>.
28
29 // Compiled from the following, and then hand optimised.
30 //
31 // int __cmpsi2 (USItype x, USItype y)
32 // {
33 //
34 // SIunion lx; lx.l = x;
35 // SIunion ly; ly.l = y;
36 //
37 // if (lx.s.high < ly.s.high)
38 // return 0;
39 // else if (lx.s.high > ly.s.high)
40 // return 2;
41 // if (lx.s.low < ly.s.low)
42 // return 0;
43 // else if (lx.s.low > ly.s.low)
44 // return 2;
45 // return 1;
46 // }
47
48 .section .text
49
50 .align 8
51 .global ___cmpsi2
52 ___cmpsi2:
53 _picoMark_FUNCTION_BEGIN=
54
55 // picoChip Function Prologue : &___cmpsi2 = 0 bytes
56
57 SUB.0 R1,R3,r15
58
59 BLT _L1
60 =-> SUB.0 R3,R1,r15 \ COPY.1 0,R5
61
62 BLT _L1
63 =-> SUB.0 R0,R2,r15 \ COPY.1 2,R5
64
65 BLO _L1
66 =-> SUB.0 R2,R0,r15 \ COPY.1 0,R5
67
68 BLO _L1
69 =-> COPY.0 2,R5
70
71 COPY.0 1,R5
72 _L1:
73 JR (R12)
74 =-> COPY.0 R5,R0
75
76 _picoMark_FUNCTION_END=
77 // picoChip Function Epilogue : __cmpsi2
78 //============================================================================
79 // All DWARF information between this marker, and the END OF DWARF
80 // marker should be included in the source file. Search for
81 // FUNCTION_STACK_SIZE_GOES_HERE and FUNCTION NAME GOES HERE, and
82 // provide the relevent information. Add markers called
83 // _picoMark_FUNCTION_BEGIN and _picoMark_FUNCTION_END around the
84 // function in question.
85 //============================================================================
86
87 //============================================================================
88 // Frame information.
89 //============================================================================
90
91 .section .debug_frame
92 _picoMark_DebugFrame=
93
94 // Common CIE header.
95 .unalignedInitLong _picoMark_CieEnd-_picoMark_CieBegin
96 _picoMark_CieBegin=
97 .unalignedInitLong 0xffffffff
98 .initByte 0x1 // CIE Version
99 .ascii 16#0# // CIE Augmentation
100 .uleb128 0x1 // CIE Code Alignment Factor
101 .sleb128 2 // CIE Data Alignment Factor
102 .initByte 0xc // CIE RA Column
103 .initByte 0xc // DW_CFA_def_cfa
104 .uleb128 0xd
105 .uleb128 0x0
106 .align 2
107 _picoMark_CieEnd=
108
109 // FDE
110 _picoMark_LSFDE0I900821033007563=
111 .unalignedInitLong _picoMark_FdeEnd-_picoMark_FdeBegin
112 _picoMark_FdeBegin=
113 .unalignedInitLong _picoMark_DebugFrame // FDE CIE offset
114 .unalignedInitWord _picoMark_FUNCTION_BEGIN // FDE initial location
115 .unalignedInitWord _picoMark_FUNCTION_END-_picoMark_FUNCTION_BEGIN
116 .initByte 0xe // DW_CFA_def_cfa_offset
117 .uleb128 0x0 // <-- FUNCTION_STACK_SIZE_GOES_HERE
118 .initByte 0x4 // DW_CFA_advance_loc4
119 .unalignedInitLong _picoMark_FUNCTION_END-_picoMark_FUNCTION_BEGIN
120 .initByte 0xe // DW_CFA_def_cfa_offset
121 .uleb128 0x0
122 .align 2
123 _picoMark_FdeEnd=
124
125 //============================================================================
126 // Abbrevation information.
127 //============================================================================
128
129 .section .debug_abbrev
130 _picoMark_ABBREVIATIONS=
131
132 .section .debug_abbrev
133 .uleb128 0x1 // (abbrev code)
134 .uleb128 0x11 // (TAG: DW_TAG_compile_unit)
135 .initByte 0x1 // DW_children_yes
136 .uleb128 0x10 // (DW_AT_stmt_list)
137 .uleb128 0x6 // (DW_FORM_data4)
138 .uleb128 0x12 // (DW_AT_high_pc)
139 .uleb128 0x1 // (DW_FORM_addr)
140 .uleb128 0x11 // (DW_AT_low_pc)
141 .uleb128 0x1 // (DW_FORM_addr)
142 .uleb128 0x25 // (DW_AT_producer)
143 .uleb128 0x8 // (DW_FORM_string)
144 .uleb128 0x13 // (DW_AT_language)
145 .uleb128 0x5 // (DW_FORM_data2)
146 .uleb128 0x3 // (DW_AT_name)
147 .uleb128 0x8 // (DW_FORM_string)
148 .initByte 0x0
149 .initByte 0x0
150
151 .uleb128 0x2 ;# (abbrev code)
152 .uleb128 0x2e ;# (TAG: DW_TAG_subprogram)
153 .initByte 0x0 ;# DW_children_no
154 .uleb128 0x3 ;# (DW_AT_name)
155 .uleb128 0x8 ;# (DW_FORM_string)
156 .uleb128 0x11 ;# (DW_AT_low_pc)
157 .uleb128 0x1 ;# (DW_FORM_addr)
158 .uleb128 0x12 ;# (DW_AT_high_pc)
159 .uleb128 0x1 ;# (DW_FORM_addr)
160 .initByte 0x0
161 .initByte 0x0
162
163 .initByte 0x0
164
165 //============================================================================
166 // Line information. DwarfLib requires this to be present, but it can
167 // be empty.
168 //============================================================================
169
170 .section .debug_line
171 _picoMark_LINES=
172
173 //============================================================================
174 // Debug Information
175 //============================================================================
176 .section .debug_info
177
178 //Fixed header.
179 .unalignedInitLong _picoMark_DEBUG_INFO_END-_picoMark_DEBUG_INFO_BEGIN
180 _picoMark_DEBUG_INFO_BEGIN=
181 .unalignedInitWord 0x2
182 .unalignedInitLong _picoMark_ABBREVIATIONS
183 .initByte 0x2
184
185 // Compile unit information.
186 .uleb128 0x1 // (DIE 0xb) DW_TAG_compile_unit)
187 .unalignedInitLong _picoMark_LINES
188 .unalignedInitWord _picoMark_FUNCTION_END
189 .unalignedInitWord _picoMark_FUNCTION_BEGIN
190 // Producer is `picoChip'
191 .ascii 16#70# 16#69# 16#63# 16#6f# 16#43# 16#68# 16#69# 16#70# 16#00#
192 .unalignedInitWord 0xcafe // ASM language
193 .ascii 16#0# // Name. DwarfLib expects this to be present.
194
195 .uleb128 0x2 ;# (DIE DW_TAG_subprogram)
196
197 // FUNCTION NAME GOES HERE. Use `echo name | od -t x1' to get the hex. Each hex
198 // digit is specified using the format 16#XX#
199 .ascii 16#5f# 16#5f# 16#63# 16#6d# 16#70# 16#73# 16#69# 16#32# 16#0# // Function name `__cmpsi2'
200 .unalignedInitWord _picoMark_FUNCTION_BEGIN // DW_AT_low_pc
201 .unalignedInitWord _picoMark_FUNCTION_END // DW_AT_high_pc
202
203 .initByte 0x0 // end of compile unit children.
204
205 _picoMark_DEBUG_INFO_END=
206
207 //============================================================================
208 // END OF DWARF
209 //============================================================================
210
211 .section .endFile
212 // End of picoChip ASM file