Add MIPS64 implementation of ?sum

as trivial copy of ?asum with the fabs replaced by mov to preserve code structure

diff --git a/kernel/mips64/sum.S b/kernel/mips64/sum.S
new file mode 100644 (file)
index 0000000..261630d
--- /dev/null
+++ b/kernel/mips64/sum.S
@@ -0,0 +1,332 @@
+/*********************************************************************/
+/* Copyright 2009, 2010 The University of Texas at Austin.           */
+/* All rights reserved.                                              */
+/*                                                                   */
+/* Redistribution and use in source and binary forms, with or        */
+/* without modification, are permitted provided that the following   */
+/* conditions are met:                                               */
+/*                                                                   */
+/*   1. Redistributions of source code must retain the above         */
+/*      copyright notice, this list of conditions and the following  */
+/*      disclaimer.                                                  */
+/*                                                                   */
+/*   2. Redistributions in binary form must reproduce the above      */
+/*      copyright notice, this list of conditions and the following  */
+/*      disclaimer in the documentation and/or other materials       */
+/*      provided with the distribution.                              */
+/*                                                                   */
+/*    THIS  SOFTWARE IS PROVIDED  BY THE  UNIVERSITY OF  TEXAS AT    */
+/*    AUSTIN  ``AS IS''  AND ANY  EXPRESS OR  IMPLIED WARRANTIES,    */
+/*    INCLUDING, BUT  NOT LIMITED  TO, THE IMPLIED  WARRANTIES OF    */
+/*    MERCHANTABILITY  AND FITNESS FOR  A PARTICULAR  PURPOSE ARE    */
+/*    DISCLAIMED.  IN  NO EVENT SHALL THE UNIVERSITY  OF TEXAS AT    */
+/*    AUSTIN OR CONTRIBUTORS BE  LIABLE FOR ANY DIRECT, INDIRECT,    */
+/*    INCIDENTAL,  SPECIAL, EXEMPLARY,  OR  CONSEQUENTIAL DAMAGES    */
+/*    (INCLUDING, BUT  NOT LIMITED TO,  PROCUREMENT OF SUBSTITUTE    */
+/*    GOODS  OR  SERVICES; LOSS  OF  USE,  DATA,  OR PROFITS;  OR    */
+/*    BUSINESS INTERRUPTION) HOWEVER CAUSED  AND ON ANY THEORY OF    */
+/*    LIABILITY, WHETHER  IN CONTRACT, STRICT  LIABILITY, OR TORT    */
+/*    (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING IN ANY WAY OUT    */
+/*    OF  THE  USE OF  THIS  SOFTWARE,  EVEN  IF ADVISED  OF  THE    */
+/*    POSSIBILITY OF SUCH DAMAGE.                                    */
+/*                                                                   */
+/* The views and conclusions contained in the software and           */
+/* documentation are those of the authors and should not be          */
+/* interpreted as representing official policies, either expressed   */
+/* or implied, of The University of Texas at Austin.                 */
+/*********************************************************************/
+
+#define ASSEMBLER
+#include "common.h"
+
+#define N      $4
+#define        X       $5
+#define INCX   $6
+
+#define I      $2
+#define TEMP   $3
+
+#define a1     $f2
+#define a2     $f3
+#define a3     $f4
+#define a4     $f5
+#define a5     $f6
+#define a6     $f7
+#define a7     $f8
+#define a8     $f9
+
+#define t1     $f10
+#define t2     $f11
+#define t3     $f12
+#define t4     $f13
+
+#define s1     $f0
+#define s2     $f1
+
+       PROLOGUE
+
+#ifdef F_INTERFACE
+       LDINT   N,     0(N)
+       LDINT   INCX,  0(INCX)
+#endif
+
+       MTC     $0,  s1
+
+       MTC     $0,  s2
+       dsll    INCX, INCX, BASE_SHIFT
+
+       blez    N, .L999
+       li      TEMP, SIZE
+
+       bne     INCX, TEMP, .L20
+       dsra    I, N, 3
+
+       blez    I, .L15
+       NOP
+
+       LD      a1,  0 * SIZE(X)
+       LD      a2,  1 * SIZE(X)
+       LD      a3,  2 * SIZE(X)
+       LD      a4,  3 * SIZE(X)
+
+       LD      a5,  4 * SIZE(X)
+       MOV     t1, a1
+       LD      a6,  5 * SIZE(X)
+       MOV     t2, a2
+       LD      a7,  6 * SIZE(X)
+       MOV     t3, a3
+
+       MOV     t4, a4
+       daddiu  I, I, -1
+
+       blez    I, .L13
+       LD      a8,  7 * SIZE(X)
+       .align 3
+
+.L12:
+       ADD     s1, s1, t1
+       LD      a1,  8 * SIZE(X)
+
+       MOV     t1, a5
+       daddiu  I, I, -1
+
+       ADD     s2, s2, t2
+       LD      a2,  9 * SIZE(X)
+
+       MOV     t2, a6
+       NOP
+
+       ADD     s1, s1, t3
+       LD      a3, 10 * SIZE(X)
+
+       MOV     t3, a7
+       NOP
+
+       ADD     s2, s2, t4
+       LD      a4, 11 * SIZE(X)
+
+       MOV     t4, a8
+       daddiu  X, X, 8 * SIZE
+
+       ADD     s1, s1, t1
+       LD      a5,  4 * SIZE(X)
+
+       MOV     t1, a1
+       NOP
+
+       ADD     s2, s2, t2
+       LD      a6,  5 * SIZE(X)
+
+       MOV     t2, a2
+       NOP
+
+       ADD     s1, s1, t3
+       LD      a7,  6 * SIZE(X)
+
+       MOV     t3, a3
+       NOP
+
+       ADD     s2, s2, t4
+       LD      a8,  7 * SIZE(X)
+
+       bgtz    I, .L12
+       MOV     t4, a4
+       .align 3
+
+.L13:
+       ADD     s1, s1, t1
+       daddiu  X, X, 8 * SIZE
+
+       MOV     t1, a5
+       NOP
+
+       ADD     s2, s2, t2
+       MOV     t2, a6
+
+       ADD     s1, s1, t3
+       MOV     t3, a7
+
+       ADD     s2, s2, t4
+       MOV     t4, a8
+
+       ADD     s1, s1, t1
+       ADD     s2, s2, t2
+       ADD     s1, s1, t3
+       ADD     s2, s2, t4
+       .align 3
+
+.L15:
+       andi    I,  N, 7
+
+       blez    I, .L999
+       NOP
+       .align  3
+
+.L16:
+       LD      a1,  0 * SIZE(X)
+       daddiu  I, I, -1
+
+       MOV     t1, a1
+
+       ADD     s1, s1, t1
+
+       bgtz    I, .L16
+       daddiu  X, X, SIZE
+
+       j       .L999
+       NOP
+       .align 3
+
+.L20:
+       blez    I, .L25
+       NOP
+
+       LD      a1,  0 * SIZE(X)
+       daddu   X, X, INCX
+
+       LD      a2,  0 * SIZE(X)
+       daddu   X, X, INCX
+
+       LD      a3,  0 * SIZE(X)
+       daddu   X, X, INCX
+
+       LD      a4,  0 * SIZE(X)
+       daddu   X, X, INCX
+
+       LD      a5,  0 * SIZE(X)
+       daddu   X, X, INCX
+
+       LD      a6,  0 * SIZE(X)
+       daddu   X, X, INCX
+
+       MOV     t1, a1
+       LD      a7,  0 * SIZE(X)
+
+       MOV     t2, a2
+       daddu   X, X, INCX
+
+       MOV     t3, a3
+       LD      a8,  0 * SIZE(X)
+
+       MOV     t4, a4
+       daddiu  I, I, -1
+
+       blez    I, .L24
+       daddu   X, X, INCX
+       .align 3
+
+.L23:
+       ADD     s1, s1, t1
+       LD      a1,  0 * SIZE(X)
+
+       MOV     t1, a5
+       daddu   X, X, INCX
+
+       ADD     s2, s2, t2
+       LD      a2,  0 * SIZE(X)
+
+       MOV     t2, a6
+       daddu   X, X, INCX
+
+       ADD     s1, s1, t3
+       LD      a3,  0 * SIZE(X)
+
+       MOV     t3, a7
+       daddu   X, X, INCX
+
+       ADD     s2, s2, t4
+       LD      a4,  0 * SIZE(X)
+
+       MOV     t4, a8
+       daddu   X, X, INCX
+
+       ADD     s1, s1, t1
+       LD      a5,  0 * SIZE(X)
+
+       MOV     t1, a1
+       daddu   X, X, INCX
+
+       ADD     s2, s2, t2
+       LD      a6,  0 * SIZE(X)
+
+       MOV     t2, a2
+       daddu   X, X, INCX
+
+       ADD     s1, s1, t3
+       LD      a7,  0 * SIZE(X)
+
+       MOV     t3, a3
+       daddu   X, X, INCX
+
+       ADD     s2, s2, t4
+       LD      a8,  0 * SIZE(X)
+
+       MOV     t4, a4
+       daddiu  I, I, -1
+
+       bgtz    I, .L23
+       daddu   X, X, INCX
+       .align 3
+
+.L24:
+       ADD     s1, s1, t1
+       MOV     t1, a5
+
+       ADD     s2, s2, t2
+       MOV     t2, a6
+
+       ADD     s1, s1, t3
+       MOV     t3, a7
+
+       ADD     s2, s2, t4
+       MOV     t4, a8
+
+       ADD     s1, s1, t1
+       ADD     s2, s2, t2
+       ADD     s1, s1, t3
+       ADD     s2, s2, t4
+       .align 3
+
+.L25:
+       andi    I,  N, 7
+
+       blez    I, .L999
+       NOP
+       .align  3
+
+.L26:
+       LD      a1,  0 * SIZE(X)
+       daddiu  I, I, -1
+
+       MOV     t1, a1
+       daddu   X, X, INCX
+
+       bgtz    I, .L26
+       ADD     s1, s1, t1
+       .align 3
+
+.L999:
+       j       $31
+       ADD     s1, s1, s2
+
+       EPILOGUE

diff --git a/kernel/mips64/zsum.S b/kernel/mips64/zsum.S
new file mode 100644 (file)
index 0000000..129b979
--- /dev/null
+++ b/kernel/mips64/zsum.S
@@ -0,0 +1,204 @@
+/*********************************************************************/
+/* Copyright 2009, 2010 The University of Texas at Austin.           */
+/* All rights reserved.                                              */
+/*                                                                   */
+/* Redistribution and use in source and binary forms, with or        */
+/* without modification, are permitted provided that the following   */
+/* conditions are met:                                               */
+/*                                                                   */
+/*   1. Redistributions of source code must retain the above         */
+/*      copyright notice, this list of conditions and the following  */
+/*      disclaimer.                                                  */
+/*                                                                   */
+/*   2. Redistributions in binary form must reproduce the above      */
+/*      copyright notice, this list of conditions and the following  */
+/*      disclaimer in the documentation and/or other materials       */
+/*      provided with the distribution.                              */
+/*                                                                   */
+/*    THIS  SOFTWARE IS PROVIDED  BY THE  UNIVERSITY OF  TEXAS AT    */
+/*    AUSTIN  ``AS IS''  AND ANY  EXPRESS OR  IMPLIED WARRANTIES,    */
+/*    INCLUDING, BUT  NOT LIMITED  TO, THE IMPLIED  WARRANTIES OF    */
+/*    MERCHANTABILITY  AND FITNESS FOR  A PARTICULAR  PURPOSE ARE    */
+/*    DISCLAIMED.  IN  NO EVENT SHALL THE UNIVERSITY  OF TEXAS AT    */
+/*    AUSTIN OR CONTRIBUTORS BE  LIABLE FOR ANY DIRECT, INDIRECT,    */
+/*    INCIDENTAL,  SPECIAL, EXEMPLARY,  OR  CONSEQUENTIAL DAMAGES    */
+/*    (INCLUDING, BUT  NOT LIMITED TO,  PROCUREMENT OF SUBSTITUTE    */
+/*    GOODS  OR  SERVICES; LOSS  OF  USE,  DATA,  OR PROFITS;  OR    */
+/*    BUSINESS INTERRUPTION) HOWEVER CAUSED  AND ON ANY THEORY OF    */
+/*    LIABILITY, WHETHER  IN CONTRACT, STRICT  LIABILITY, OR TORT    */
+/*    (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING IN ANY WAY OUT    */
+/*    OF  THE  USE OF  THIS  SOFTWARE,  EVEN  IF ADVISED  OF  THE    */
+/*    POSSIBILITY OF SUCH DAMAGE.                                    */
+/*                                                                   */
+/* The views and conclusions contained in the software and           */
+/* documentation are those of the authors and should not be          */
+/* interpreted as representing official policies, either expressed   */
+/* or implied, of The University of Texas at Austin.                 */
+/*********************************************************************/
+
+#define ASSEMBLER
+#include "common.h"
+
+#define N      $4
+#define        X       $5
+#define INCX   $6
+
+#define I      $2
+#define TEMP   $3
+
+#define a1     $f2
+#define a2     $f3
+#define a3     $f4
+#define a4     $f5
+#define a5     $f6
+#define a6     $f7
+#define a7     $f8
+#define a8     $f9
+
+#define t1     $f10
+#define t2     $f11
+#define t3     $f12
+#define t4     $f13
+
+#define s1     $f0
+#define s2     $f1
+
+       PROLOGUE
+
+#ifdef F_INTERFACE
+       LDINT   N,     0(N)
+       LDINT   INCX,  0(INCX)
+#endif
+
+       MTC     $0,  s1
+
+       MTC     $0,  s2
+       dsll    INCX, INCX, ZBASE_SHIFT
+
+       blez    N, .L999
+       dsra    I, N, 2
+
+       blez    I, .L25
+       NOP
+
+       LD      a1,  0 * SIZE(X)
+       LD      a2,  1 * SIZE(X)
+       daddu   X, X, INCX
+
+       LD      a3,  0 * SIZE(X)
+       LD      a4,  1 * SIZE(X)
+       daddu   X, X, INCX
+
+       LD      a5,  0 * SIZE(X)
+       LD      a6,  1 * SIZE(X)
+       daddu   X, X, INCX
+
+       MOV     t1, a1
+       MOV     t2, a2
+
+       LD      a7,  0 * SIZE(X)
+       LD      a8,  1 * SIZE(X)
+
+       MOV     t3, a3
+       MOV     t4, a4
+       daddiu  I, I, -1
+
+       blez    I, .L24
+       daddu   X, X, INCX
+       .align 3
+
+.L23:
+       ADD     s1, s1, t1
+       LD      a1,  0 * SIZE(X)
+
+       MOV     t1, a5
+       daddiu  I, I, -1
+
+       ADD     s2, s2, t2
+       LD      a2,  1 * SIZE(X)
+
+       MOV     t2, a6
+       daddu   X, X, INCX
+
+       ADD     s1, s1, t3
+       LD      a3,  0 * SIZE(X)
+
+       MOV     t3, a7
+       NOP
+
+       ADD     s2, s2, t4
+       LD      a4,  1 * SIZE(X)
+
+       MOV     t4, a8
+       daddu   X, X, INCX
+
+       ADD     s1, s1, t1
+       LD      a5,  0 * SIZE(X)
+
+       MOV     t1, a1
+       NOP
+
+       ADD     s2, s2, t2
+       LD      a6,  1 * SIZE(X)
+
+       MOV     t2, a2
+       daddu   X, X, INCX
+
+       ADD     s1, s1, t3
+       LD      a7,  0 * SIZE(X)
+
+       MOV     t3, a3
+       LD      a8,  1 * SIZE(X)
+
+       ADD     s2, s2, t4
+       daddu   X, X, INCX
+
+       bgtz    I, .L23
+       MOV     t4, a4
+       .align 3
+
+.L24:
+       ADD     s1, s1, t1
+       MOV     t1, a5
+
+       ADD     s2, s2, t2
+       MOV     t2, a6
+
+       ADD     s1, s1, t3
+       MOV     t3, a7
+
+       ADD     s2, s2, t4
+       MOV     t4, a8
+
+       ADD     s1, s1, t1
+       ADD     s2, s2, t2
+       ADD     s1, s1, t3
+       ADD     s2, s2, t4
+       .align 3
+
+.L25:
+       andi    I,  N, 3
+
+       blez    I, .L999
+       NOP
+       .align  3
+
+.L26:
+       LD      a1,  0 * SIZE(X)
+       LD      a2,  1 * SIZE(X)
+
+       MOV     t1, a1
+       daddiu  I, I, -1
+       MOV     t2, a2
+       daddu   X, X, INCX
+
+       ADD     s1, s1, t1
+       bgtz    I, .L26
+       ADD     s2, s2, t2
+       .align 3
+
+.L999:
+       j       $31
+       ADD     s1, s1, s2
+
+       EPILOGUE