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root/cebix/BasiliskII/src/uae_cpu/fpu_x86_asm.h
Revision: 1.1
Committed: 2000-09-05T16:54:42Z (24 years, 3 months ago) by gbeauche
Content type: text/plain
Branch: MAIN
CVS Tags: snapshot-17022001
Log Message:
Ported Lauri's FPU core to GCC/i386

File Contents

# Content
1 // gb-- stupid hack to insert macros in the generated assembly file
2 static void fpu_emit_macro_definitions()
3 {
4 # define DEFINE_MACRO(name, value) \
5 __asm__ __volatile__ (#name ## " = " #value)
6 DEFINE_MACRO(BSUN, 0x00008000);
7 DEFINE_MACRO(SNAN, 0x00004000);
8 DEFINE_MACRO(OPERR, 0x00002000);
9 DEFINE_MACRO(OVFL, 0x00001000);
10 DEFINE_MACRO(UNFL, 0x00000800);
11 DEFINE_MACRO(DZ, 0x00000400);
12 DEFINE_MACRO(INEX2, 0x00000200);
13 DEFINE_MACRO(INEX1, 0x00000100);
14 DEFINE_MACRO(ACCR_IOP, 0x80);
15 DEFINE_MACRO(ACCR_OVFL, 0x40);
16 DEFINE_MACRO(ACCR_UNFL, 0x20);
17 DEFINE_MACRO(ACCR_DZ, 0x10);
18 DEFINE_MACRO(ACCR_INEX, 0x08);
19 DEFINE_MACRO(ROUND_CONTROL_MASK, 0x30);
20 DEFINE_MACRO(ROUND_TO_NEAREST, 0);
21 DEFINE_MACRO(ROUND_TO_ZERO, 0x10);
22 DEFINE_MACRO(ROUND_TO_NEGATIVE_INFINITY, 0x20);
23 DEFINE_MACRO(ROUND_TO_POSITIVE_INFINITY, 0x30);
24 DEFINE_MACRO(PRECISION_CONTROL_MASK, 0xC0);
25 DEFINE_MACRO(PRECISION_CONTROL_EXTENDED, 0);
26 DEFINE_MACRO(PRECISION_CONTROL_DOUBLE, 0x80);
27 DEFINE_MACRO(PRECISION_CONTROL_SINGLE, 0x40);
28 DEFINE_MACRO(PRECISION_CONTROL_UNDEFINED, 0xC0);
29 DEFINE_MACRO(CW_RESET, 0x0040);
30 DEFINE_MACRO(CW_FINIT, 0x037F);
31 DEFINE_MACRO(SW_RESET, 0x0000);
32 DEFINE_MACRO(SW_FINIT, 0x0000);
33 DEFINE_MACRO(TW_RESET, 0x5555);
34 DEFINE_MACRO(TW_FINIT, 0x0FFF);
35 DEFINE_MACRO(CW_X, 0x1000);
36 DEFINE_MACRO(CW_RC_ZERO, 0x0C00);
37 DEFINE_MACRO(CW_RC_UP, 0x0800);
38 DEFINE_MACRO(CW_RC_DOWN, 0x0400);
39 DEFINE_MACRO(CW_RC_NEAR, 0x0000);
40 DEFINE_MACRO(CW_PC_EXTENDED, 0x0300);
41 DEFINE_MACRO(CW_PC_DOUBLE, 0x0200);
42 DEFINE_MACRO(CW_PC_RESERVED, 0x0100);
43 DEFINE_MACRO(CW_PC_SINGLE, 0x0000);
44 DEFINE_MACRO(CW_PM, 0x0020);
45 DEFINE_MACRO(CW_UM, 0x0010);
46 DEFINE_MACRO(CW_OM, 0x0008);
47 DEFINE_MACRO(CW_ZM, 0x0004);
48 DEFINE_MACRO(CW_DM, 0x0002);
49 DEFINE_MACRO(CW_IM, 0x0001);
50 DEFINE_MACRO(SW_B, 0x8000);
51 DEFINE_MACRO(SW_C3, 0x4000);
52 DEFINE_MACRO(SW_TOP_7, 0x3800);
53 DEFINE_MACRO(SW_TOP_6, 0x3000);
54 DEFINE_MACRO(SW_TOP_5, 0x2800);
55 DEFINE_MACRO(SW_TOP_4, 0x2000);
56 DEFINE_MACRO(SW_TOP_3, 0x1800);
57 DEFINE_MACRO(SW_TOP_2, 0x1000);
58 DEFINE_MACRO(SW_TOP_1, 0x0800);
59 DEFINE_MACRO(SW_TOP_0, 0x0000);
60 DEFINE_MACRO(SW_C2, 0x0400);
61 DEFINE_MACRO(SW_C1, 0x0200);
62 DEFINE_MACRO(SW_C0, 0x0100);
63 DEFINE_MACRO(SW_ES, 0x0080);
64 DEFINE_MACRO(SW_SF, 0x0040);
65 DEFINE_MACRO(SW_PE, 0x0020);
66 DEFINE_MACRO(SW_UE, 0x0010);
67 DEFINE_MACRO(SW_OE, 0x0008);
68 DEFINE_MACRO(SW_ZE, 0x0004);
69 DEFINE_MACRO(SW_DE, 0x0002);
70 DEFINE_MACRO(SW_IE, 0x0001);
71 DEFINE_MACRO(X86_ROUND_CONTROL_MASK, 0x0C00);
72 DEFINE_MACRO(X86_PRECISION_CONTROL_MASK, 0x0300);
73 # undef DEFINE_MACRO
74 }
75 /*
76 #!/bin/sh
77
78 awk=awk
79 ifile="fpu_x86.h"
80 ofile="fpu_x86_asm.h"
81
82 if [ ! -r "$ifile" ]; then
83 echo "Error: could not open input file ($ifile)"
84 exit 1
85 fi
86
87 touch $ofile
88 if [ $? -ne 0 ]; then
89 echo "Error: could not open output file ($ofile)"
90 exit 1
91 fi
92
93 # header
94 cat > $ofile << EOF
95 // gb-- stupid hack to insert macros in the generated assembly file
96 static void fpu_emit_macro_definitions()
97 {
98 # define DEFINE_MACRO(name, value) \\
99 __asm__ __volatile__ (#name ## " = " #value)
100 EOF
101
102 # processing with awk
103 $awk '/#define/ { print " DEFINE_MACRO(" $2 ", " $3 ");"; }' $ifile >> $ofile
104
105 # footer
106 cat >> $ofile << EOF
107 # undef DEFINE_MACRO
108 }
109 EOF
110
111 # insert this script
112 echo "/""*" >> $ofile
113 cat $0 >> $ofile
114 echo "*""/" >> $ofile
115
116 exit 0
117 */