Add implementations of ssum/dsum and csum/zsum

as trivial copies of asum/zsasum with the fabs calls replaced by fmov to preserve code structure

diff --git a/kernel/alpha/sum.S b/kernel/alpha/sum.S
new file mode 100644 (file)
index 0000000..3902817
--- /dev/null
+++ b/kernel/alpha/sum.S
@@ -0,0 +1,206 @@
+/*********************************************************************/
+/* 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"
+#include "version.h"
+
+#define PREFETCHSIZE   88
+
+#define N      $16
+#define X      $17
+#define INCX   $18
+#define I      $19
+
+#define s0     $f0
+#define s1     $f1
+#define s2     $f10
+#define s3     $f11
+
+#define a0     $f12
+#define a1     $f13
+#define a2     $f14
+#define a3     $f15
+#define a4     $f16
+#define a5     $f17
+#define a6     $f18
+#define a7     $f19
+
+#define t0     $f20
+#define t1     $f21
+#define t2     $f22
+#define t3     $f23
+
+       PROLOGUE
+       PROFCODE
+
+       fclr    s0
+       unop
+       fclr    t0
+       ble     N,  $L999
+
+       sra     N, 3, I
+       fclr    s1
+       fclr    s2
+       ble     I, $L15
+
+       LD      a0,  0 * SIZE(X)
+       fclr    t1
+       SXADDQ  INCX, X, X
+       fclr    t2
+
+       LD      a1,  0 * SIZE(X)
+       fclr    t3
+       SXADDQ  INCX, X, X
+       fclr    s3
+
+       LD      a2,  0 * SIZE(X)
+       SXADDQ  INCX, X, X
+       LD      a3,  0 * SIZE(X)
+       SXADDQ  INCX, X, X
+
+       LD      a4,  0 * SIZE(X)
+       SXADDQ  INCX, X, X
+       LD      a5,  0 * SIZE(X)
+       SXADDQ  INCX, X, X
+
+       lda     I,  -1(I)
+       ble     I, $L13
+       .align 4
+
+$L12:
+       ADD     s0, t0, s0
+       ldl     $31, PREFETCHSIZE * 2 * SIZE(X)
+       fmov    a0, t0
+       lda     I,  -1(I)
+
+       ADD     s1, t1, s1
+       LD      a6,  0 * SIZE(X)
+       fmov    a1, t1
+       SXADDQ  INCX, X, X
+
+       ADD     s2, t2, s2
+       LD      a7,  0 * SIZE(X)
+       fmov    a2, t2
+       SXADDQ  INCX, X, X
+
+       ADD     s3, t3, s3
+       LD      a0,  0 * SIZE(X)
+       fmov    a3, t3
+       SXADDQ  INCX, X, X
+
+       ADD     s0, t0, s0
+       LD      a1,  0 * SIZE(X)
+       fmov    a4, t0
+       SXADDQ  INCX, X, X
+
+       ADD     s1, t1, s1
+       LD      a2,  0 * SIZE(X)
+       fmov    a5, t1
+       SXADDQ  INCX, X, X
+
+       ADD     s2, t2, s2
+       LD      a3,  0 * SIZE(X)
+       fmov    a6, t2
+       SXADDQ  INCX, X, X
+
+       ADD     s3, t3, s3
+       LD      a4,  0 * SIZE(X)
+       fmov    a7, t3
+       SXADDQ  INCX, X, X
+
+       LD      a5,  0 * SIZE(X)
+       unop
+       SXADDQ  INCX, X, X
+       bne     I, $L12
+       .align 4
+
+$L13:
+       ADD     s0, t0, s0
+       LD      a6,  0 * SIZE(X)
+       fmov    a0, t0
+       SXADDQ  INCX, X, X
+
+       ADD     s1, t1, s1
+       LD      a7,  0 * SIZE(X)
+       fmov    a1, t1
+       SXADDQ  INCX, X, X
+
+       ADD     s2, t2, s2
+       fmov    a2, t2
+       ADD     s3, t3, s3
+       fmov    a3, t3
+
+       ADD     s0, t0, s0
+       fmov    a4, t0
+       ADD     s1, t1, s1
+       fmov    a5, t1
+       ADD     s2, t2, s2
+       fmov    a6, t2
+       ADD     s3, t3, s3
+       fmov    a7, t3
+
+       ADD     s1, t1, s1
+       ADD     s2, t2, s2
+       ADD     s3, t3, s3
+
+       ADD     s0, s1, s0
+       ADD     s2, s3, s2
+       .align 4
+
+$L15:
+       and     N, 7, I
+       ADD     s0, s2, s0
+       unop
+       ble     I, $L999
+       .align 4
+
+$L17:
+       ADD     s0, t0, s0
+       LD      a0,  0 * SIZE(X)
+       SXADDQ  INCX, X, X
+       fmov    a0, t0
+
+       lda     I,  -1(I)
+       bne     I, $L17
+       .align 4
+
+$L999:
+       ADD     s0, t0, s0
+       ret
+       EPILOGUE

diff --git a/kernel/alpha/zsum.S b/kernel/alpha/zsum.S
new file mode 100644 (file)
index 0000000..1ad0eb1
--- /dev/null
+++ b/kernel/alpha/zsum.S
@@ -0,0 +1,208 @@
+/*********************************************************************/
+/* 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"
+#include "version.h"
+
+#define PREFETCHSIZE   88
+
+#define N      $16
+#define X      $17
+#define INCX   $18
+#define I      $19
+
+#define s0     $f0
+#define s1     $f1
+#define s2     $f10
+#define s3     $f11
+
+#define a0     $f12
+#define a1     $f13
+#define a2     $f14
+#define a3     $f15
+#define a4     $f16
+#define a5     $f17
+#define a6     $f18
+#define a7     $f19
+
+#define t0     $f20
+#define t1     $f21
+#define t2     $f22
+#define t3     $f23
+
+       PROLOGUE
+       PROFCODE
+
+       fclr    s0
+       unop
+       fclr    t0
+       addq    INCX, INCX, INCX
+
+       fclr    s1
+       unop
+       fclr    t1
+       ble     N,  $L999
+
+       fclr    s2
+       sra     N, 2, I
+       fclr    s3
+       ble     I, $L15
+
+       LD      a0,  0 * SIZE(X)
+       fclr    t2
+       LD      a1,  1 * SIZE(X)
+       SXADDQ  INCX, X, X
+
+       LD      a2,  0 * SIZE(X)
+       fclr    t3
+       LD      a3,  1 * SIZE(X)
+       SXADDQ  INCX, X, X
+
+       LD      a4,  0 * SIZE(X)
+       LD      a5,  1 * SIZE(X)
+       SXADDQ  INCX, X, X
+       lda     I,  -1(I)
+
+       ble     I, $L13
+       .align 4
+
+$L12:
+       ADD     s0, t0, s0
+       ldl     $31, PREFETCHSIZE * SIZE(X)
+       fmov    a0, t0
+       lda     I,  -1(I)
+
+       ADD     s1, t1, s1
+       LD      a6,  0 * SIZE(X)
+       fmov    a1, t1
+       unop
+
+       ADD     s2, t2, s2
+       LD      a7,  1 * SIZE(X)
+       fmov    a2, t2
+       SXADDQ  INCX, X, X
+
+       ADD     s3, t3, s3
+       LD      a0,  0 * SIZE(X)
+       fmov    a3, t3
+       unop
+
+       ADD     s0, t0, s0
+       LD      a1,  1 * SIZE(X)
+       fmov    a4, t0
+       SXADDQ  INCX, X, X
+
+       ADD     s1, t1, s1
+       LD      a2,  0 * SIZE(X)
+       fmov    a5, t1
+       unop
+
+       ADD     s2, t2, s2
+       LD      a3,  1 * SIZE(X)
+       fmov    a6, t2
+       SXADDQ  INCX, X, X
+
+       ADD     s3, t3, s3
+       LD      a4,  0 * SIZE(X)
+       fmov    a7, t3
+       unop
+
+       LD      a5,  1 * SIZE(X)
+       unop
+       SXADDQ  INCX, X, X
+       bne     I, $L12
+       .align 4
+
+$L13:
+       ADD     s0, t0, s0
+       LD      a6,  0 * SIZE(X)
+       fmov    a0, t0
+
+       ADD     s1, t1, s1
+       LD      a7,  1 * SIZE(X)
+       fmov    a1, t1
+       SXADDQ  INCX, X, X
+
+       ADD     s2, t2, s2
+       fmov    a2, t2
+       ADD     s3, t3, s3
+       fmov    a3, t3
+
+       ADD     s0, t0, s0
+       fmov    a4, t0
+       ADD     s1, t1, s1
+       fmov    a5, t1
+       ADD     s2, t2, s2
+       fmov    a6, t2
+       ADD     s3, t3, s3
+       fmov    a7, t3
+
+       ADD     s2, t2, s2
+       ADD     s3, t3, s3
+
+       .align 4
+
+$L15:
+       ADD     s0, s2, s0
+       and     N, 3, I
+       ADD     s1, s3, s1
+       ble     I, $L999
+       .align 4
+
+$L17:
+       ADD     s0, t0, s0
+       LD      a0,  0 * SIZE(X)
+       fmov    a0, t0
+       lda     I,  -1(I)
+
+       ADD     s1, t1, s1
+       LD      a1,  1 * SIZE(X)
+       fmov    a1, t1
+       SXADDQ  INCX, X, X
+
+       bne     I, $L17
+       .align 4
+
+$L999:
+       ADD     s0, t0, s0
+       ADD     s1, t1, s1
+
+       ADD     s0, s1, s0
+       ret
+       EPILOGUE