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 2011 Nexenta Systems, Inc. All rights reserved.
24 */
25 /*
26 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
27 * Use is subject to license terms.
28 */
29
30 #if defined(ELFOBJ)
31 #pragma weak fminf = __fminf
32 #endif
33
34 #include "libm.h" /* for islessequal macro */
35
36 float
37 __fminf(float x, float y) {
38 /*
39 * On SPARC v8plus/v9, this could be implemented as follows
40 * (assuming %f0 = x, %f1 = y, return value left in %f0):
41 *
42 * fcmps %fcc0,%f1,%f1
43 * fmovsu %fcc0,%f0,%f1
44 * fcmps %fcc0,%f0,%f1
45 * fmovsug %fcc0,%f1,%f0
46 * st %f0,[x]
47 * st %f1,[y]
48 * ld [x],%l0
49 * ld [y],%l1
50 * or %l0,%l1,%l2
51 * sethi %hi(0x80000000),%l3
52 * and %l3,%l2,%l2
|
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 2011 Nexenta Systems, Inc. All rights reserved.
24 */
25 /*
26 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
27 * Use is subject to license terms.
28 */
29
30 #pragma weak fminf = __fminf
31
32 #include "libm.h" /* for islessequal macro */
33
34 float
35 __fminf(float x, float y) {
36 /*
37 * On SPARC v8plus/v9, this could be implemented as follows
38 * (assuming %f0 = x, %f1 = y, return value left in %f0):
39 *
40 * fcmps %fcc0,%f1,%f1
41 * fmovsu %fcc0,%f0,%f1
42 * fcmps %fcc0,%f0,%f1
43 * fmovsug %fcc0,%f1,%f0
44 * st %f0,[x]
45 * st %f1,[y]
46 * ld [x],%l0
47 * ld [y],%l1
48 * or %l0,%l1,%l2
49 * sethi %hi(0x80000000),%l3
50 * and %l3,%l2,%l2
|