--- /dev/null
+/*********************************************************************/
+/* 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 ARG1 /* rdi */
+#define X ARG2 /* rsi */
+#define INCX ARG3 /* rdx */
+#define Y ARG4 /* rcx */
+#ifndef WINDOWS_ABI
+#define INCY ARG5 /* r8 */
+#else
+#define INCY %r10
+#endif
+
+#define A_PRE 512
+
+#include "l1param.h"
+
+ PROLOGUE
+ PROFCODE
+
+#ifdef WINDOWS_ABI
+ movq 40(%rsp), INCY
+#endif
+
+ SAVEREGISTERS
+
+ leaq (, INCX, SIZE), INCX
+ leaq (, INCY, SIZE), INCY
+
+ vxorps %xmm0, %xmm0 , %xmm0
+ vxorps %xmm1, %xmm1 , %xmm1
+ vxorps %xmm2, %xmm2 , %xmm2
+ vxorps %xmm3, %xmm3 , %xmm3
+
+ cmpq $0, N
+ jle .L999
+
+ cmpq $SIZE, INCX
+ jne .L50
+ cmpq $SIZE, INCY
+ jne .L50
+
+ subq $-16 * SIZE, X
+ subq $-16 * SIZE, Y
+
+ testq $SIZE, Y
+ je .L10
+
+ vmovsd -16 * SIZE(X), %xmm0
+ vmulsd -16 * SIZE(Y), %xmm0 , %xmm0
+ addq $1 * SIZE, X
+ addq $1 * SIZE, Y
+ decq N
+ ALIGN_2
+
+.L10:
+
+ movq N, %rax
+ sarq $4, %rax
+ jle .L14
+
+ vmovups -16 * SIZE(X), %xmm4
+ vmovups -14 * SIZE(X), %xmm5
+ vmovups -12 * SIZE(X), %xmm6
+ vmovups -10 * SIZE(X), %xmm7
+
+ vmovups -8 * SIZE(X), %xmm8
+ vmovups -6 * SIZE(X), %xmm9
+ vmovups -4 * SIZE(X), %xmm10
+ vmovups -2 * SIZE(X), %xmm11
+
+ decq %rax
+ jle .L12
+
+ ALIGN_3
+
+.L11:
+ prefetchnta A_PRE(Y)
+
+ vfmaddpd %xmm0 , -16 * SIZE(Y), %xmm4 , %xmm0
+ vfmaddpd %xmm1 , -14 * SIZE(Y), %xmm5 , %xmm1
+ prefetchnta A_PRE(X)
+ vfmaddpd %xmm2 , -12 * SIZE(Y), %xmm6 , %xmm2
+ vfmaddpd %xmm3 , -10 * SIZE(Y), %xmm7 , %xmm3
+
+ vmovups 0 * SIZE(X), %xmm4
+ vfmaddpd %xmm0 , -8 * SIZE(Y), %xmm8 , %xmm0
+ vfmaddpd %xmm1 , -6 * SIZE(Y), %xmm9 , %xmm1
+ vmovups 2 * SIZE(X), %xmm5
+ vmovups 4 * SIZE(X), %xmm6
+ vfmaddpd %xmm2 , -4 * SIZE(Y), %xmm10, %xmm2
+ vfmaddpd %xmm3 , -2 * SIZE(Y), %xmm11, %xmm3
+ vmovups 6 * SIZE(X), %xmm7
+
+ prefetchnta A_PRE+64(Y)
+
+ vmovups 8 * SIZE(X), %xmm8
+ vmovups 10 * SIZE(X), %xmm9
+ prefetchnta A_PRE+64(X)
+ vmovups 12 * SIZE(X), %xmm10
+ vmovups 14 * SIZE(X), %xmm11
+
+ subq $-16 * SIZE, X
+ subq $-16 * SIZE, Y
+
+ decq %rax
+ jg .L11
+ ALIGN_3
+
+.L12:
+
+ vfmaddpd %xmm0 , -16 * SIZE(Y), %xmm4 , %xmm0
+ vfmaddpd %xmm1 , -14 * SIZE(Y), %xmm5 , %xmm1
+ vfmaddpd %xmm2 , -12 * SIZE(Y), %xmm6 , %xmm2
+ vfmaddpd %xmm3 , -10 * SIZE(Y), %xmm7 , %xmm3
+
+ vfmaddpd %xmm0 , -8 * SIZE(Y), %xmm8 , %xmm0
+ vfmaddpd %xmm1 , -6 * SIZE(Y), %xmm9 , %xmm1
+ vfmaddpd %xmm2 , -4 * SIZE(Y), %xmm10, %xmm2
+ vfmaddpd %xmm3 , -2 * SIZE(Y), %xmm11, %xmm3
+
+ subq $-16 * SIZE, X
+ subq $-16 * SIZE, Y
+ ALIGN_3
+
+.L14:
+ testq $15, N
+ jle .L999
+
+ testq $8, N
+ jle .L15
+
+ vmovups -16 * SIZE(X), %xmm4
+ vmovups -14 * SIZE(X), %xmm5
+ vmovups -12 * SIZE(X), %xmm6
+ vmovups -10 * SIZE(X), %xmm7
+
+ vfmaddpd %xmm0 , -16 * SIZE(Y), %xmm4 , %xmm0
+ vfmaddpd %xmm1 , -14 * SIZE(Y), %xmm5 , %xmm1
+ vfmaddpd %xmm2 , -12 * SIZE(Y), %xmm6 , %xmm2
+ vfmaddpd %xmm3 , -10 * SIZE(Y), %xmm7 , %xmm3
+
+ addq $8 * SIZE, X
+ addq $8 * SIZE, Y
+ ALIGN_3
+
+.L15:
+ testq $4, N
+ jle .L16
+
+ vmovups -16 * SIZE(X), %xmm4
+ vmovups -14 * SIZE(X), %xmm5
+
+ vfmaddpd %xmm0 , -16 * SIZE(Y), %xmm4 , %xmm0
+ vfmaddpd %xmm1 , -14 * SIZE(Y), %xmm5 , %xmm1
+
+ addq $4 * SIZE, X
+ addq $4 * SIZE, Y
+ ALIGN_3
+
+.L16:
+ testq $2, N
+ jle .L17
+
+ vmovups -16 * SIZE(X), %xmm4
+ vfmaddpd %xmm0 , -16 * SIZE(Y), %xmm4 , %xmm0
+
+
+ addq $2 * SIZE, X
+ addq $2 * SIZE, Y
+ ALIGN_3
+
+.L17:
+ testq $1, N
+ jle .L999
+
+ vmovsd -16 * SIZE(X), %xmm4
+ vmovsd -16 * SIZE(Y), %xmm5
+ vfmaddpd %xmm0, %xmm4 , %xmm5 , %xmm0
+ jmp .L999
+ ALIGN_3
+
+
+.L50:
+ movq N, %rax
+ sarq $3, %rax
+ jle .L55
+ ALIGN_3
+
+.L53:
+
+
+ vmovsd 0 * SIZE(X), %xmm4
+ addq INCX, X
+ vmovsd 0 * SIZE(Y), %xmm8
+ addq INCY, Y
+ vmovsd 0 * SIZE(X), %xmm5
+ addq INCX, X
+ vmovsd 0 * SIZE(Y), %xmm9
+ addq INCY, Y
+
+ vmovsd 0 * SIZE(X), %xmm6
+ addq INCX, X
+ vmovsd 0 * SIZE(Y), %xmm10
+ addq INCY, Y
+ vmovsd 0 * SIZE(X), %xmm7
+ addq INCX, X
+ vmovsd 0 * SIZE(Y), %xmm11
+ addq INCY, Y
+
+ vfmaddpd %xmm0 , %xmm4 , %xmm8 , %xmm0
+ vfmaddpd %xmm1 , %xmm5 , %xmm9 , %xmm1
+ vfmaddpd %xmm2 , %xmm6 , %xmm10, %xmm2
+ vfmaddpd %xmm3 , %xmm7 , %xmm11, %xmm3
+
+
+ vmovsd 0 * SIZE(X), %xmm4
+ addq INCX, X
+ vmovsd 0 * SIZE(Y), %xmm8
+ addq INCY, Y
+ vmovsd 0 * SIZE(X), %xmm5
+ addq INCX, X
+ vmovsd 0 * SIZE(Y), %xmm9
+ addq INCY, Y
+
+ vmovsd 0 * SIZE(X), %xmm6
+ addq INCX, X
+ vmovsd 0 * SIZE(Y), %xmm10
+ addq INCY, Y
+ vmovsd 0 * SIZE(X), %xmm7
+ addq INCX, X
+ vmovsd 0 * SIZE(Y), %xmm11
+ addq INCY, Y
+
+ vfmaddpd %xmm0 , %xmm4 , %xmm8 , %xmm0
+ vfmaddpd %xmm1 , %xmm5 , %xmm9 , %xmm1
+ vfmaddpd %xmm2 , %xmm6 , %xmm10, %xmm2
+ vfmaddpd %xmm3 , %xmm7 , %xmm11, %xmm3
+
+ decq %rax
+ jg .L53
+ ALIGN_3
+
+.L55:
+ movq N, %rax
+ andq $7, %rax
+ jle .L999
+ ALIGN_3
+
+.L56:
+ vmovsd 0 * SIZE(X), %xmm4
+ addq INCX, X
+ vmovsd 0 * SIZE(Y), %xmm8
+ addq INCY, Y
+
+ vfmaddpd %xmm0 , %xmm4 , %xmm8 , %xmm0
+
+ decq %rax
+ jg .L56
+ ALIGN_3
+
+.L999:
+ vaddpd %xmm1, %xmm0 , %xmm0
+ vaddpd %xmm3, %xmm2 , %xmm2
+ vaddpd %xmm2, %xmm0 , %xmm0
+
+ vhaddpd %xmm0, %xmm0 , %xmm0
+
+ RESTOREREGISTERS
+
+ ret
+
+ EPILOGUE