/*********************************************************************/ /* 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 #include "l1param.h" PROLOGUE PROFCODE #ifdef WINDOWS_ABI movq 40(%rsp), INCY #endif SAVEREGISTERS leaq (, INCX, SIZE), INCX pxor %xmm0, %xmm0 leaq (, INCY, SIZE), INCY pxor %xmm1, %xmm1 pxor %xmm2, %xmm2 cmpq $0, N pxor %xmm3, %xmm3 jle .L999 cmpq $SIZE, INCX jne .L50 cmpq $SIZE, INCY jne .L50 movq N, %rax sarq $3, %rax jle .L14 movsd 0 * SIZE(X), %xmm4 movsd 0 * SIZE(Y), %xmm8 movsd 1 * SIZE(X), %xmm5 movsd 1 * SIZE(Y), %xmm9 movsd 2 * SIZE(X), %xmm6 mulsd %xmm8, %xmm4 movsd 2 * SIZE(Y), %xmm10 mulsd %xmm9, %xmm5 movsd 3 * SIZE(X), %xmm7 mulsd %xmm10, %xmm6 movsd 3 * SIZE(Y), %xmm11 mulsd %xmm11, %xmm7 decq %rax jle .L12 ALIGN_3 .L11: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif addsd %xmm4, %xmm0 movsd 4 * SIZE(X), %xmm4 addsd %xmm5, %xmm1 movsd 4 * SIZE(Y), %xmm8 addsd %xmm6, %xmm2 movsd 5 * SIZE(X), %xmm5 addsd %xmm7, %xmm3 movsd 5 * SIZE(Y), %xmm9 movsd 6 * SIZE(X), %xmm6 mulsd %xmm8, %xmm4 movsd 6 * SIZE(Y), %xmm10 mulsd %xmm9, %xmm5 movsd 7 * SIZE(X), %xmm7 mulsd %xmm10, %xmm6 movsd 7 * SIZE(Y), %xmm11 mulsd %xmm11, %xmm7 #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(Y) #endif addsd %xmm4, %xmm0 movsd 8 * SIZE(X), %xmm4 addsd %xmm5, %xmm1 movsd 8 * SIZE(Y), %xmm8 addsd %xmm6, %xmm2 movsd 9 * SIZE(X), %xmm5 addsd %xmm7, %xmm3 movsd 9 * SIZE(Y), %xmm9 movsd 10 * SIZE(X), %xmm6 mulsd %xmm8, %xmm4 movsd 10 * SIZE(Y), %xmm10 mulsd %xmm9, %xmm5 movsd 11 * SIZE(X), %xmm7 mulsd %xmm10, %xmm6 movsd 11 * SIZE(Y), %xmm11 mulsd %xmm11, %xmm7 addq $8 * SIZE, X addq $8 * SIZE, Y decq %rax jg .L11 ALIGN_3 .L12: addsd %xmm4, %xmm0 movsd 4 * SIZE(X), %xmm4 addsd %xmm5, %xmm1 movsd 4 * SIZE(Y), %xmm8 addsd %xmm6, %xmm2 movsd 5 * SIZE(X), %xmm5 addsd %xmm7, %xmm3 movsd 5 * SIZE(Y), %xmm9 movsd 6 * SIZE(X), %xmm6 mulsd %xmm8, %xmm4 movsd 6 * SIZE(Y), %xmm10 mulsd %xmm9, %xmm5 movsd 7 * SIZE(X), %xmm7 mulsd %xmm10, %xmm6 movsd 7 * SIZE(Y), %xmm11 mulsd %xmm11, %xmm7 addsd %xmm4, %xmm0 addsd %xmm5, %xmm1 addsd %xmm6, %xmm2 addsd %xmm7, %xmm3 addq $ 8 * SIZE, X addq $ 8 * SIZE, Y ALIGN_3 .L14: testq $7, N jle .L999 testq $4, N jle .L16 movsd 0 * SIZE(X), %xmm4 movsd 0 * SIZE(Y), %xmm8 movsd 1 * SIZE(X), %xmm5 movsd 1 * SIZE(Y), %xmm9 movsd 2 * SIZE(X), %xmm6 mulsd %xmm8, %xmm4 movsd 2 * SIZE(Y), %xmm10 mulsd %xmm9, %xmm5 movsd 3 * SIZE(X), %xmm7 mulsd %xmm10, %xmm6 movsd 3 * SIZE(Y), %xmm11 mulsd %xmm11, %xmm7 addsd %xmm4, %xmm0 addsd %xmm5, %xmm1 addsd %xmm6, %xmm2 addsd %xmm7, %xmm3 addq $4 * SIZE, X addq $4 * SIZE, Y ALIGN_3 .L16: testq $2, N jle .L17 movsd 0 * SIZE(X), %xmm4 movsd 0 * SIZE(Y), %xmm8 movsd 1 * SIZE(X), %xmm5 movsd 1 * SIZE(Y), %xmm9 mulsd %xmm8, %xmm4 mulsd %xmm9, %xmm5 addsd %xmm4, %xmm0 addsd %xmm5, %xmm1 addq $2 * SIZE, X addq $2 * SIZE, Y ALIGN_3 .L17: testq $1, N jle .L999 movsd 0 * SIZE(X), %xmm4 movsd 0 * SIZE(Y), %xmm8 mulsd %xmm8, %xmm4 addsd %xmm4, %xmm0 jmp .L999 ALIGN_3 .L50: movq N, %rax sarq $2, %rax jle .L55 ALIGN_3 .L53: movsd 0 * SIZE(X), %xmm4 addq INCX, X mulsd 0 * SIZE(Y), %xmm4 addq INCY, Y movsd 0 * SIZE(X), %xmm5 addq INCX, X mulsd 0 * SIZE(Y), %xmm5 addq INCY, Y movsd 0 * SIZE(X), %xmm6 addq INCX, X mulsd 0 * SIZE(Y), %xmm6 addq INCY, Y movsd 0 * SIZE(X), %xmm7 addq INCX, X mulsd 0 * SIZE(Y), %xmm7 addq INCY, Y addsd %xmm4, %xmm0 addsd %xmm5, %xmm1 addsd %xmm6, %xmm2 addsd %xmm7, %xmm3 decq %rax jg .L53 ALIGN_3 .L55: movq N, %rax andq $3, %rax jle .L999 ALIGN_3 .L56: movsd 0 * SIZE(X), %xmm4 addq INCX, X mulsd 0 * SIZE(Y), %xmm4 addq INCY, Y addsd %xmm4, %xmm0 decq %rax jg .L56 ALIGN_3 .L999: addsd %xmm1, %xmm0 addsd %xmm3, %xmm2 addsd %xmm2, %xmm0 RESTOREREGISTERS ret EPILOGUE