1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #ifndef _BASE_INLINES_H
28 #define _BASE_INLINES_H
29
30 #include <sys/ccompile.h>
31 #include <sys/types.h>
32
33 #if !defined(__lint) && defined(__GNUC__)
34
35 /*
36 * This file is intended to contain gcc-style inline assembly that corresponds
37 * to base.il for all architectures. At the moment these inlines exist only
38 * for sparc and sparcv9 and these functions are implemented in C for x86.
39 * They should be inlined here for gcc if a new x86 base.il is created.
40 */
41
42 #if defined(__sparc)
43 extern __GNU_INLINE double
__mul_set(double x,double y,int * pe)44 __mul_set(double x, double y, int *pe)
45 {
46 double __result;
47 uint32_t __fsr;
48 uint32_t *__addr = &__fsr;
49
50 __asm__ __volatile__(
51 "fmuld %4, %5, %0\n\t"
52 "st %%fsr, %3\n\t"
53 "ld %3, %2\n\t"
54 "and %2, 1, %2\n\t"
55 "st %2, %1"
56 : "=&e" (__result), "=m" (*pe), "=r" (__fsr), "=m" (*__addr)
57 : "e" (x), "e" (y));
58 return (__result);
59 }
60 #endif /* __sparc */
61
62 #if defined(__sparc)
63 extern __GNU_INLINE double
__div_set(double x,double y,int * pe)64 __div_set(double x, double y, int *pe)
65 {
66 double __result;
67 uint32_t __fsr;
68 uint32_t *__addr = &__fsr;
69
70 __asm__ __volatile__(
71 "fdivd %4, %5, %0\n\t"
72 "st %%fsr, %3\n\t"
73 "ld %3, %2\n\t"
74 "and %2, 1, %2\n\t"
75 "st %2, %1"
76 : "=&e" (__result), "=m" (*pe), "=r" (__fsr), "=m" (*__addr)
77 : "e" (x), "e" (y));
78 return (__result);
79 }
80 #endif /* __sparc */
81
82 #if defined(__sparc)
83 extern __GNU_INLINE double
__dabs(double * x)84 __dabs(double *x)
85 {
86 double __result;
87
88 __asm__ __volatile__(
89 #if defined(__sparcv9)
90 "fabsd %1, %0"
91 #else
92 "fabss %1, %0"
93 #endif
94 : "=e" (__result)
95 : "0" (*x));
96 return (__result);
97 }
98 #endif /* __sparc */
99
100 #if defined(__sparc)
101 extern __GNU_INLINE void
__get_ieee_flags(__ieee_flags_type * b)102 __get_ieee_flags(__ieee_flags_type *b)
103 {
104 uint32_t __fsr;
105
106 /*
107 * It's preferable to let the assembler insert the nops as
108 * needed; however, it warns as it does so. Add them here for now.
109 */
110 __asm__ __volatile__(
111 "st %%fsr, %0\n\t"
112 "st %%g0, %1\n\t"
113 "ld %1, %%fsr\n\t"
114 "nop; nop; nop"
115 : "=m" (*b), "=m" (__fsr));
116 }
117 #endif /* __sparc */
118
119 #if defined(__sparc)
120 extern __GNU_INLINE void
__set_ieee_flags(__ieee_flags_type * b)121 __set_ieee_flags(__ieee_flags_type *b)
122 {
123 /*
124 * It's preferable to let the assembler insert the nops as
125 * needed; however, it warns as it does so. Add them here for now.
126 */
127 __asm__ __volatile__(
128 "ld %0, %%fsr\n\t"
129 "nop; nop; nop"
130 : /* no outputs */
131 : "m" (*b));
132 }
133 #endif /* __sparc */
134
135 #endif /* !__lint && __GNUC__ */
136
137 #endif /* _BASE_INLINES_H */
138