/*********************************************************************/ /* 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" #ifndef WINDOWS_ABI #define M ARG1 #define X ARG4 #define INCX ARG5 #define Y ARG6 #define INCY ARG2 #else #define M ARG1 #define X ARG2 #define INCX ARG3 #define Y ARG4 #define INCY %r10 #endif #define YY %r11 #define ALPHA %xmm15 #include "l1param.h" PROLOGUE PROFCODE #ifndef WINDOWS_ABI #ifndef XDOUBLE movq 8(%rsp), INCY #else movq 24(%rsp), INCY #endif movaps %xmm0, ALPHA #else movq 40(%rsp), X movq 48(%rsp), INCX movq 56(%rsp), Y movq 64(%rsp), INCY #endif SAVEREGISTERS #ifdef WINDOWS_ABI movaps %xmm3, ALPHA #endif unpcklpd ALPHA, ALPHA leaq (, INCX, SIZE), INCX leaq (, INCY, SIZE), INCY testq M, M jle .L47 cmpq $SIZE, INCX jne .L40 cmpq $SIZE, INCY jne .L40 testq $SIZE, Y je .L10 movsd (X), %xmm0 mulsd ALPHA, %xmm0 addsd (Y), %xmm0 movsd %xmm0, (Y) addq $1 * SIZE, X addq $1 * SIZE, Y decq M jle .L19 ALIGN_4 .L10: subq $-16 * SIZE, X subq $-16 * SIZE, Y testq $SIZE, X jne .L20 movq M, %rax sarq $4, %rax jle .L13 movaps -16 * SIZE(X), %xmm0 movaps -14 * SIZE(X), %xmm1 movaps -12 * SIZE(X), %xmm2 movaps -10 * SIZE(X), %xmm3 decq %rax jle .L12 ALIGN_3 .L11: movaps -8 * SIZE(X), %xmm4 movaps -6 * SIZE(X), %xmm5 #ifdef PREFETCHW PREFETCHW (PREFETCHSIZE + 0) - PREOFFSET(Y) #endif mulpd ALPHA, %xmm0 addpd -16 * SIZE(Y), %xmm0 movaps %xmm0, -16 * SIZE(Y) mulpd ALPHA, %xmm1 addpd -14 * SIZE(Y), %xmm1 movaps %xmm1, -14 * SIZE(Y) movaps -4 * SIZE(X), %xmm6 movaps -2 * SIZE(X), %xmm7 #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif mulpd ALPHA, %xmm2 addpd -12 * SIZE(Y), %xmm2 movaps %xmm2, -12 * SIZE(Y) mulpd ALPHA, %xmm3 addpd -10 * SIZE(Y), %xmm3 movaps %xmm3, -10 * SIZE(Y) movaps 0 * SIZE(X), %xmm0 movaps 2 * SIZE(X), %xmm1 #if defined(PREFETCHW) && !defined(FETCH128) PREFETCHW (PREFETCHSIZE + 64) - PREOFFSET(Y) #endif mulpd ALPHA, %xmm4 addpd -8 * SIZE(Y), %xmm4 movaps %xmm4, -8 * SIZE(Y) mulpd ALPHA, %xmm5 addpd -6 * SIZE(Y), %xmm5 movaps %xmm5, -6 * SIZE(Y) movaps 4 * SIZE(X), %xmm2 movaps 6 * SIZE(X), %xmm3 #if defined(PREFETCH) && !defined(FETCH128) PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X) #endif mulpd ALPHA, %xmm6 addpd -4 * SIZE(Y), %xmm6 movaps %xmm6, -4 * SIZE(Y) mulpd ALPHA, %xmm7 addpd -2 * SIZE(Y), %xmm7 movaps %xmm7, -2 * SIZE(Y) subq $-16 * SIZE, Y subq $-16 * SIZE, X decq %rax jg .L11 ALIGN_3 .L12: movaps -8 * SIZE(X), %xmm4 movaps -6 * SIZE(X), %xmm5 mulpd ALPHA, %xmm0 addpd -16 * SIZE(Y), %xmm0 movaps %xmm0, -16 * SIZE(Y) mulpd ALPHA, %xmm1 addpd -14 * SIZE(Y), %xmm1 movaps %xmm1, -14 * SIZE(Y) movaps -4 * SIZE(X), %xmm6 movaps -2 * SIZE(X), %xmm7 mulpd ALPHA, %xmm2 addpd -12 * SIZE(Y), %xmm2 movaps %xmm2, -12 * SIZE(Y) mulpd ALPHA, %xmm3 addpd -10 * SIZE(Y), %xmm3 movaps %xmm3, -10 * SIZE(Y) mulpd ALPHA, %xmm4 addpd -8 * SIZE(Y), %xmm4 movaps %xmm4, -8 * SIZE(Y) mulpd ALPHA, %xmm5 addpd -6 * SIZE(Y), %xmm5 movaps %xmm5, -6 * SIZE(Y) mulpd ALPHA, %xmm6 addpd -4 * SIZE(Y), %xmm6 movaps %xmm6, -4 * SIZE(Y) mulpd ALPHA, %xmm7 addpd -2 * SIZE(Y), %xmm7 movaps %xmm7, -2 * SIZE(Y) subq $-16 * SIZE, Y subq $-16 * SIZE, X ALIGN_3 .L13: movq M, %rax andq $8, %rax jle .L14 ALIGN_3 movaps -16 * SIZE(X), %xmm0 movaps -14 * SIZE(X), %xmm1 movaps -12 * SIZE(X), %xmm2 movaps -10 * SIZE(X), %xmm3 mulpd ALPHA, %xmm0 addpd -16 * SIZE(Y), %xmm0 mulpd ALPHA, %xmm1 addpd -14 * SIZE(Y), %xmm1 mulpd ALPHA, %xmm2 addpd -12 * SIZE(Y), %xmm2 mulpd ALPHA, %xmm3 addpd -10 * SIZE(Y), %xmm3 movaps %xmm0, -16 * SIZE(Y) movaps %xmm1, -14 * SIZE(Y) movaps %xmm2, -12 * SIZE(Y) movaps %xmm3, -10 * SIZE(Y) addq $8 * SIZE, X addq $8 * SIZE, Y ALIGN_3 .L14: movq M, %rax andq $4, %rax jle .L15 ALIGN_3 movaps -16 * SIZE(X), %xmm0 movaps -14 * SIZE(X), %xmm1 mulpd ALPHA, %xmm0 mulpd ALPHA, %xmm1 addpd -16 * SIZE(Y), %xmm0 addpd -14 * SIZE(Y), %xmm1 movaps %xmm0, -16 * SIZE(Y) movaps %xmm1, -14 * SIZE(Y) addq $4 * SIZE, X addq $4 * SIZE, Y ALIGN_3 .L15: movq M, %rax andq $2, %rax jle .L16 ALIGN_3 movaps -16 * SIZE(X), %xmm0 mulpd ALPHA, %xmm0 addpd -16 * SIZE(Y), %xmm0 movaps %xmm0, -16 * SIZE(Y) addq $2 * SIZE, X addq $2 * SIZE, Y ALIGN_3 .L16: movq M, %rax andq $1, %rax jle .L19 ALIGN_3 movsd -16 * SIZE(X), %xmm0 mulsd ALPHA, %xmm0 addsd -16 * SIZE(Y), %xmm0 movsd %xmm0, -16 * SIZE(Y) ALIGN_3 .L19: xorq %rax,%rax RESTOREREGISTERS ret ALIGN_3 .L20: #ifdef ALIGNED_ACCESS movhps -16 * SIZE(X), %xmm0 movq M, %rax sarq $4, %rax jle .L23 movaps -15 * SIZE(X), %xmm1 movaps -13 * SIZE(X), %xmm2 movaps -11 * SIZE(X), %xmm3 decq %rax jle .L22 ALIGN_4 .L21: movaps -9 * SIZE(X), %xmm4 movaps -7 * SIZE(X), %xmm5 #ifdef PREFETCHW PREFETCHW (PREFETCHSIZE + 0) - PREOFFSET(Y) #endif SHUFPD_1 %xmm1, %xmm0 mulpd ALPHA, %xmm0 addpd -16 * SIZE(Y), %xmm0 movaps %xmm0, -16 * SIZE(Y) SHUFPD_1 %xmm2, %xmm1 mulpd ALPHA, %xmm1 addpd -14 * SIZE(Y), %xmm1 movaps %xmm1, -14 * SIZE(Y) movaps -5 * SIZE(X), %xmm6 movaps -3 * SIZE(X), %xmm7 #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif SHUFPD_1 %xmm3, %xmm2 mulpd ALPHA, %xmm2 addpd -12 * SIZE(Y), %xmm2 movaps %xmm2, -12 * SIZE(Y) SHUFPD_1 %xmm4, %xmm3 mulpd ALPHA, %xmm3 addpd -10 * SIZE(Y), %xmm3 movaps %xmm3, -10 * SIZE(Y) movaps -1 * SIZE(X), %xmm0 movaps 1 * SIZE(X), %xmm1 #if defined(PREFETCHW) && !defined(FETCH128) PREFETCHW (PREFETCHSIZE + 64) - PREOFFSET(Y) #endif SHUFPD_1 %xmm5, %xmm4 mulpd ALPHA, %xmm4 addpd -8 * SIZE(Y), %xmm4 movaps %xmm4, -8 * SIZE(Y) SHUFPD_1 %xmm6, %xmm5 mulpd ALPHA, %xmm5 addpd -6 * SIZE(Y), %xmm5 movaps %xmm5, -6 * SIZE(Y) movaps 3 * SIZE(X), %xmm2 movaps 5 * SIZE(X), %xmm3 #if defined(PREFETCH) && !defined(FETCH128) PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X) #endif SHUFPD_1 %xmm7, %xmm6 mulpd ALPHA, %xmm6 addpd -4 * SIZE(Y), %xmm6 movaps %xmm6, -4 * SIZE(Y) SHUFPD_1 %xmm0, %xmm7 mulpd ALPHA, %xmm7 addpd -2 * SIZE(Y), %xmm7 movaps %xmm7, -2 * SIZE(Y) subq $-16 * SIZE, X subq $-16 * SIZE, Y decq %rax jg .L21 ALIGN_3 .L22: movaps -9 * SIZE(X), %xmm4 movaps -7 * SIZE(X), %xmm5 SHUFPD_1 %xmm1, %xmm0 mulpd ALPHA, %xmm0 addpd -16 * SIZE(Y), %xmm0 movaps %xmm0, -16 * SIZE(Y) movaps -1 * SIZE(X), %xmm0 SHUFPD_1 %xmm2, %xmm1 mulpd ALPHA, %xmm1 addpd -14 * SIZE(Y), %xmm1 movaps %xmm1, -14 * SIZE(Y) movaps -5 * SIZE(X), %xmm6 movaps -3 * SIZE(X), %xmm7 SHUFPD_1 %xmm3, %xmm2 mulpd ALPHA, %xmm2 addpd -12 * SIZE(Y), %xmm2 movaps %xmm2, -12 * SIZE(Y) SHUFPD_1 %xmm4, %xmm3 mulpd ALPHA, %xmm3 addpd -10 * SIZE(Y), %xmm3 movaps %xmm3, -10 * SIZE(Y) SHUFPD_1 %xmm5, %xmm4 mulpd ALPHA, %xmm4 addpd -8 * SIZE(Y), %xmm4 movaps %xmm4, -8 * SIZE(Y) SHUFPD_1 %xmm6, %xmm5 mulpd ALPHA, %xmm5 addpd -6 * SIZE(Y), %xmm5 movaps %xmm5, -6 * SIZE(Y) SHUFPD_1 %xmm7, %xmm6 mulpd ALPHA, %xmm6 addpd -4 * SIZE(Y), %xmm6 movaps %xmm6, -4 * SIZE(Y) SHUFPD_1 %xmm0, %xmm7 mulpd ALPHA, %xmm7 addpd -2 * SIZE(Y), %xmm7 movaps %xmm7, -2 * SIZE(Y) subq $-16 * SIZE, X subq $-16 * SIZE, Y ALIGN_3 .L23: movq M, %rax andq $8, %rax jle .L24 ALIGN_3 movaps -15 * SIZE(X), %xmm1 movaps -13 * SIZE(X), %xmm2 movaps -11 * SIZE(X), %xmm3 movaps -9 * SIZE(X), %xmm8 SHUFPD_1 %xmm1, %xmm0 mulpd ALPHA, %xmm0 addpd -16 * SIZE(Y), %xmm0 movaps %xmm0, -16 * SIZE(Y) SHUFPD_1 %xmm2, %xmm1 mulpd ALPHA, %xmm1 addpd -14 * SIZE(Y), %xmm1 movaps %xmm1, -14 * SIZE(Y) SHUFPD_1 %xmm3, %xmm2 mulpd ALPHA, %xmm2 addpd -12 * SIZE(Y), %xmm2 movaps %xmm2, -12 * SIZE(Y) SHUFPD_1 %xmm8, %xmm3 mulpd ALPHA, %xmm3 addpd -10 * SIZE(Y), %xmm3 movaps %xmm3, -10 * SIZE(Y) movaps %xmm8, %xmm0 addq $8 * SIZE, X addq $8 * SIZE, Y ALIGN_3 .L24: movq M, %rax andq $4, %rax jle .L25 ALIGN_3 movaps -15 * SIZE(X), %xmm1 movaps -13 * SIZE(X), %xmm2 SHUFPD_1 %xmm1, %xmm0 SHUFPD_1 %xmm2, %xmm1 mulpd ALPHA, %xmm0 mulpd ALPHA, %xmm1 addpd -16 * SIZE(Y), %xmm0 addpd -14 * SIZE(Y), %xmm1 movaps %xmm0, -16 * SIZE(Y) movaps %xmm1, -14 * SIZE(Y) movaps %xmm2, %xmm0 addq $4 * SIZE, X addq $4 * SIZE, Y ALIGN_3 .L25: movq M, %rax andq $2, %rax jle .L26 ALIGN_3 movaps -15 * SIZE(X), %xmm1 SHUFPD_1 %xmm1, %xmm0 mulpd ALPHA, %xmm0 addpd -16 * SIZE(Y), %xmm0 movaps %xmm0, -16 * SIZE(Y) addq $2 * SIZE, X addq $2 * SIZE, Y ALIGN_3 .L26: movq M, %rax andq $1, %rax jle .L29 ALIGN_3 movsd -16 * SIZE(X), %xmm0 mulsd ALPHA, %xmm0 addsd -16 * SIZE(Y), %xmm0 movsd %xmm0, -16 * SIZE(Y) ALIGN_3 .L29: xorq %rax,%rax RESTOREREGISTERS ret ALIGN_3 #else movq M, %rax sarq $4, %rax jle .L23 movsd -16 * SIZE(X), %xmm0 movhps -15 * SIZE(X), %xmm0 movsd -14 * SIZE(X), %xmm1 movhps -13 * SIZE(X), %xmm1 movsd -12 * SIZE(X), %xmm2 movhps -11 * SIZE(X), %xmm2 movsd -10 * SIZE(X), %xmm3 movhps -9 * SIZE(X), %xmm3 decq %rax jle .L22 ALIGN_3 .L21: movsd -8 * SIZE(X), %xmm4 movhps -7 * SIZE(X), %xmm4 movsd -6 * SIZE(X), %xmm5 movhps -5 * SIZE(X), %xmm5 #ifdef PREFETCHW PREFETCHW (PREFETCHSIZE + 0) - PREOFFSET(Y) #endif mulpd ALPHA, %xmm0 addpd -16 * SIZE(Y), %xmm0 movaps %xmm0, -16 * SIZE(Y) mulpd ALPHA, %xmm1 addpd -14 * SIZE(Y), %xmm1 movaps %xmm1, -14 * SIZE(Y) movsd -4 * SIZE(X), %xmm6 movhps -3 * SIZE(X), %xmm6 movsd -2 * SIZE(X), %xmm7 movhps -1 * SIZE(X), %xmm7 #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif mulpd ALPHA, %xmm2 addpd -12 * SIZE(Y), %xmm2 movaps %xmm2, -12 * SIZE(Y) mulpd ALPHA, %xmm3 addpd -10 * SIZE(Y), %xmm3 movaps %xmm3, -10 * SIZE(Y) movsd 0 * SIZE(X), %xmm0 movhps 1 * SIZE(X), %xmm0 movsd 2 * SIZE(X), %xmm1 movhps 3 * SIZE(X), %xmm1 #if defined(PREFETCHW) && !defined(FETCH128) PREFETCHW (PREFETCHSIZE + 64) - PREOFFSET(Y) #endif mulpd ALPHA, %xmm4 addpd -8 * SIZE(Y), %xmm4 movaps %xmm4, -8 * SIZE(Y) mulpd ALPHA, %xmm5 addpd -6 * SIZE(Y), %xmm5 movaps %xmm5, -6 * SIZE(Y) movsd 4 * SIZE(X), %xmm2 movhps 5 * SIZE(X), %xmm2 movsd 6 * SIZE(X), %xmm3 movhps 7 * SIZE(X), %xmm3 #if defined(PREFETCH) && !defined(FETCH128) PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X) #endif mulpd ALPHA, %xmm6 addpd -4 * SIZE(Y), %xmm6 movaps %xmm6, -4 * SIZE(Y) mulpd ALPHA, %xmm7 addpd -2 * SIZE(Y), %xmm7 movaps %xmm7, -2 * SIZE(Y) subq $-16 * SIZE, Y subq $-16 * SIZE, X decq %rax jg .L21 ALIGN_3 .L22: movsd -8 * SIZE(X), %xmm4 movhps -7 * SIZE(X), %xmm4 movsd -6 * SIZE(X), %xmm5 movhps -5 * SIZE(X), %xmm5 mulpd ALPHA, %xmm0 addpd -16 * SIZE(Y), %xmm0 movaps %xmm0, -16 * SIZE(Y) mulpd ALPHA, %xmm1 addpd -14 * SIZE(Y), %xmm1 movaps %xmm1, -14 * SIZE(Y) movsd -4 * SIZE(X), %xmm6 movhps -3 * SIZE(X), %xmm6 movsd -2 * SIZE(X), %xmm7 movhps -1 * SIZE(X), %xmm7 mulpd ALPHA, %xmm2 addpd -12 * SIZE(Y), %xmm2 movaps %xmm2, -12 * SIZE(Y) mulpd ALPHA, %xmm3 addpd -10 * SIZE(Y), %xmm3 movaps %xmm3, -10 * SIZE(Y) mulpd ALPHA, %xmm4 addpd -8 * SIZE(Y), %xmm4 movaps %xmm4, -8 * SIZE(Y) mulpd ALPHA, %xmm5 addpd -6 * SIZE(Y), %xmm5 movaps %xmm5, -6 * SIZE(Y) mulpd ALPHA, %xmm6 addpd -4 * SIZE(Y), %xmm6 movaps %xmm6, -4 * SIZE(Y) mulpd ALPHA, %xmm7 addpd -2 * SIZE(Y), %xmm7 movaps %xmm7, -2 * SIZE(Y) subq $-16 * SIZE, Y subq $-16 * SIZE, X ALIGN_3 .L23: movq M, %rax andq $8, %rax jle .L24 ALIGN_3 movsd -16 * SIZE(X), %xmm0 movhps -15 * SIZE(X), %xmm0 movsd -14 * SIZE(X), %xmm1 movhps -13 * SIZE(X), %xmm1 movsd -12 * SIZE(X), %xmm2 movhps -11 * SIZE(X), %xmm2 movsd -10 * SIZE(X), %xmm3 movhps -9 * SIZE(X), %xmm3 mulpd ALPHA, %xmm0 addpd -16 * SIZE(Y), %xmm0 mulpd ALPHA, %xmm1 addpd -14 * SIZE(Y), %xmm1 mulpd ALPHA, %xmm2 addpd -12 * SIZE(Y), %xmm2 mulpd ALPHA, %xmm3 addpd -10 * SIZE(Y), %xmm3 movaps %xmm0, -16 * SIZE(Y) movaps %xmm1, -14 * SIZE(Y) movaps %xmm2, -12 * SIZE(Y) movaps %xmm3, -10 * SIZE(Y) addq $8 * SIZE, X addq $8 * SIZE, Y ALIGN_3 .L24: movq M, %rax andq $4, %rax jle .L25 ALIGN_3 movsd -16 * SIZE(X), %xmm0 movhps -15 * SIZE(X), %xmm0 movsd -14 * SIZE(X), %xmm1 movhps -13 * SIZE(X), %xmm1 mulpd ALPHA, %xmm0 mulpd ALPHA, %xmm1 addpd -16 * SIZE(Y), %xmm0 addpd -14 * SIZE(Y), %xmm1 movaps %xmm0, -16 * SIZE(Y) movaps %xmm1, -14 * SIZE(Y) addq $4 * SIZE, X addq $4 * SIZE, Y ALIGN_3 .L25: movq M, %rax andq $2, %rax jle .L26 ALIGN_3 movsd -16 * SIZE(X), %xmm0 movhps -15 * SIZE(X), %xmm0 mulpd ALPHA, %xmm0 addpd -16 * SIZE(Y), %xmm0 movaps %xmm0, -16 * SIZE(Y) addq $2 * SIZE, X addq $2 * SIZE, Y ALIGN_3 .L26: movq M, %rax andq $1, %rax jle .L29 ALIGN_3 movsd -16 * SIZE(X), %xmm0 mulsd ALPHA, %xmm0 addsd -16 * SIZE(Y), %xmm0 movsd %xmm0, -16 * SIZE(Y) ALIGN_3 .L29: xorq %rax,%rax RESTOREREGISTERS ret ALIGN_3 #endif .L40: movq Y, YY movq M, %rax //If incx==0 || incy==0, avoid unloop. cmpq $0, INCX je .L46 cmpq $0, INCY je .L46 sarq $3, %rax jle .L45 ALIGN_3 .L41: movsd 0 * SIZE(X), %xmm0 addq INCX, X movhpd 0 * SIZE(X), %xmm0 addq INCX, X mulpd ALPHA, %xmm0 movsd 0 * SIZE(YY), %xmm6 addq INCY, YY movhpd 0 * SIZE(YY), %xmm6 addq INCY, YY addpd %xmm6, %xmm0 movsd 0 * SIZE(X), %xmm1 addq INCX, X movhpd 0 * SIZE(X), %xmm1 addq INCX, X mulpd ALPHA, %xmm1 movsd 0 * SIZE(YY), %xmm6 addq INCY, YY movhpd 0 * SIZE(YY), %xmm6 addq INCY, YY addpd %xmm6, %xmm1 movsd 0 * SIZE(X), %xmm2 addq INCX, X movhpd 0 * SIZE(X), %xmm2 addq INCX, X mulpd ALPHA, %xmm2 movsd 0 * SIZE(YY), %xmm6 addq INCY, YY movhpd 0 * SIZE(YY), %xmm6 addq INCY, YY addpd %xmm6, %xmm2 movsd 0 * SIZE(X), %xmm3 addq INCX, X movhpd 0 * SIZE(X), %xmm3 addq INCX, X mulpd ALPHA, %xmm3 movsd 0 * SIZE(YY), %xmm6 addq INCY, YY movhpd 0 * SIZE(YY), %xmm6 addq INCY, YY addpd %xmm6, %xmm3 movsd %xmm0, 0 * SIZE(Y) addq INCY, Y movhpd %xmm0, 0 * SIZE(Y) addq INCY, Y movsd %xmm1, 0 * SIZE(Y) addq INCY, Y movhpd %xmm1, 0 * SIZE(Y) addq INCY, Y movsd %xmm2, 0 * SIZE(Y) addq INCY, Y movhpd %xmm2, 0 * SIZE(Y) addq INCY, Y movsd %xmm3, 0 * SIZE(Y) addq INCY, Y movhpd %xmm3, 0 * SIZE(Y) addq INCY, Y decq %rax jg .L41 ALIGN_3 .L45: movq M, %rax andq $7, %rax jle .L47 ALIGN_3 .L46: movsd (X), %xmm0 addq INCX, X mulsd %xmm15, %xmm0 addsd (Y), %xmm0 movsd %xmm0, (Y) addq INCY, Y decq %rax jg .L46 ALIGN_3 .L47: xorq %rax, %rax RESTOREREGISTERS ret EPILOGUE