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[thirdparty/gcc.git] / gcc / config / picochip / libgccExtras / ashlsi3.asm
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1// picoChip ASM file
2// picoChip ASM file
3//
4// Support for 32-bit arithmetic shift left.
5//
748086b7 6// Copyright (C) 2003, 2004, 2005, 2008, 2009 Free Software Foundation, Inc.
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7// Contributed by picoChip Designs Ltd.
8// Maintained by Hariharan Sandanagobalane (hariharan@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
748086b7 12// Free Software Foundation; either version 3, or (at your option) any
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13// later version.
14//
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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//
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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
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29.section .text
30
31.global ___ashlsi3
32___ashlsi3:
33_picoMark_FUNCTION_BEGIN=
34// picoChip Function Prologue : &___ashlsi3 = 0 bytes
35
36 // if (R2 > 15) goto _L2
37 SUB.0 15,R2,r15
38 JMPLT _L2
39=-> SUB.0 16,R2,R5 // R5 := R5 - R4 (HI)
40
41 LSL.0 R1,R2,R1 // R3 := R1 << R2
42 LSL.0 R0,R2,R4 // R2 := R0 << R2
43
44 LSR.0 R0,R5,R5 // R5 := R12 >> R5 NEED TO CHECK - HARI
45 OR.0 R5,R1,R5 // R3 := R5 IOR R0 (HI)
46 SUB.0 R2,0,r15
47 COPYNE R5,R1
48 JR (R12) // Return to caller
49=-> COPY.0 R4,R0
50
51_L2:
52 LSL.0 R0,R2,R1 // R3 := R0 << R2
53 JR (R12) // Return to caller
54=-> COPY.0 0,R0 // R2 := 0 (short constant)
55
56_picoMark_FUNCTION_END=
57
58// picoChip Function Epilogue : __ashlsi3
59
60//============================================================================
61// All DWARF information between this marker, and the END OF DWARF
62// marker should be included in the source file. Search for
63// FUNCTION_STACK_SIZE_GOES_HERE and FUNCTION NAME GOES HERE, and
64// provide the relevent information. Add markers called
65// _picoMark_FUNCTION_BEGIN and _picoMark_FUNCTION_END around the
66// function in question.
67//============================================================================
68
69//============================================================================
70// Frame information.
71//============================================================================
72
73.section .debug_frame
74_picoMark_DebugFrame=
75
76// Common CIE header.
77.unalignedInitLong _picoMark_CieEnd-_picoMark_CieBegin
78_picoMark_CieBegin=
79.unalignedInitLong 0xffffffff
80.initByte 0x1 // CIE Version
81.ascii 16#0# // CIE Augmentation
82.uleb128 0x1 // CIE Code Alignment Factor
83.sleb128 2 // CIE Data Alignment Factor
84.initByte 0xc // CIE RA Column
85.initByte 0xc // DW_CFA_def_cfa
86.uleb128 0xd
87.uleb128 0x0
88.align 2
89_picoMark_CieEnd=
90
91// FDE
92_picoMark_LSFDE0I900821033007563=
93.unalignedInitLong _picoMark_FdeEnd-_picoMark_FdeBegin
94_picoMark_FdeBegin=
95.unalignedInitLong _picoMark_DebugFrame // FDE CIE offset
96.unalignedInitWord _picoMark_FUNCTION_BEGIN // FDE initial location
97.unalignedInitWord _picoMark_FUNCTION_END-_picoMark_FUNCTION_BEGIN
98.initByte 0xe // DW_CFA_def_cfa_offset
99.uleb128 0x0 // <-- FUNCTION_STACK_SIZE_GOES_HERE
100.initByte 0x4 // DW_CFA_advance_loc4
101.unalignedInitLong _picoMark_FUNCTION_END-_picoMark_FUNCTION_BEGIN
102.initByte 0xe // DW_CFA_def_cfa_offset
103.uleb128 0x0
104.align 2
105_picoMark_FdeEnd=
106
107//============================================================================
108// Abbrevation information.
109//============================================================================
110
111.section .debug_abbrev
112_picoMark_ABBREVIATIONS=
113
114.section .debug_abbrev
115 .uleb128 0x1 // (abbrev code)
116 .uleb128 0x11 // (TAG: DW_TAG_compile_unit)
117 .initByte 0x1 // DW_children_yes
118 .uleb128 0x10 // (DW_AT_stmt_list)
119 .uleb128 0x6 // (DW_FORM_data4)
120 .uleb128 0x12 // (DW_AT_high_pc)
121 .uleb128 0x1 // (DW_FORM_addr)
122 .uleb128 0x11 // (DW_AT_low_pc)
123 .uleb128 0x1 // (DW_FORM_addr)
124 .uleb128 0x25 // (DW_AT_producer)
125 .uleb128 0x8 // (DW_FORM_string)
126 .uleb128 0x13 // (DW_AT_language)
127 .uleb128 0x5 // (DW_FORM_data2)
128 .uleb128 0x3 // (DW_AT_name)
129 .uleb128 0x8 // (DW_FORM_string)
130.initByte 0x0
131.initByte 0x0
132
133 .uleb128 0x2 ;# (abbrev code)
134 .uleb128 0x2e ;# (TAG: DW_TAG_subprogram)
135.initByte 0x0 ;# DW_children_no
136 .uleb128 0x3 ;# (DW_AT_name)
137 .uleb128 0x8 ;# (DW_FORM_string)
138 .uleb128 0x11 ;# (DW_AT_low_pc)
139 .uleb128 0x1 ;# (DW_FORM_addr)
140 .uleb128 0x12 ;# (DW_AT_high_pc)
141 .uleb128 0x1 ;# (DW_FORM_addr)
142.initByte 0x0
143.initByte 0x0
144
145.initByte 0x0
146
147//============================================================================
148// Line information. DwarfLib requires this to be present, but it can
149// be empty.
150//============================================================================
151
152.section .debug_line
153_picoMark_LINES=
154
155//============================================================================
156// Debug Information
157//============================================================================
158.section .debug_info
159
160//Fixed header.
161.unalignedInitLong _picoMark_DEBUG_INFO_END-_picoMark_DEBUG_INFO_BEGIN
162_picoMark_DEBUG_INFO_BEGIN=
163.unalignedInitWord 0x2
164.unalignedInitLong _picoMark_ABBREVIATIONS
165.initByte 0x2
166
167// Compile unit information.
168.uleb128 0x1 // (DIE 0xb) DW_TAG_compile_unit)
169.unalignedInitLong _picoMark_LINES
170.unalignedInitWord _picoMark_FUNCTION_END
171.unalignedInitWord _picoMark_FUNCTION_BEGIN
172// Producer is `picoChip'
173.ascii 16#70# 16#69# 16#63# 16#6f# 16#43# 16#68# 16#69# 16#70# 16#00#
174.unalignedInitWord 0xcafe // ASM language
175.ascii 16#0# // Name. DwarfLib expects this to be present.
176
177.uleb128 0x2 ;# (DIE DW_TAG_subprogram)
178
179// FUNCTION NAME GOES HERE. Use `echo name | od -t x1' to get the hex. Each hex
180// digit is specified using the format 16#XX#
181.ascii 16#5f# 16#61# 16#73# 16#68# 16#6c# 16#73# 16#69# 16#33# 16#0# // Function name `_ashlsi3'
182.unalignedInitWord _picoMark_FUNCTION_BEGIN // DW_AT_low_pc
183.unalignedInitWord _picoMark_FUNCTION_END // DW_AT_high_pc
184
185.initByte 0x0 // end of compile unit children.
186
187_picoMark_DEBUG_INFO_END=
188
189//============================================================================
190// END OF DWARF
191//============================================================================
192
193.section .endFile