/*********************************************************************/ /* 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 STACK 16 #define ARGS 0 #define STACK_M 4 + STACK + ARGS(%esp) #define STACK_X 8 + STACK + ARGS(%esp) #define STACK_INCX 12 + STACK + ARGS(%esp) #define RET %eax #define M %ebx #define X %ecx #define INCX %edx #define I %esi #define MM %ebp #define XX %edi #define TEMP %ebx #ifdef USE_MIN #define maxpd minpd #define maxsd minsd #endif #include "l1param.h" PROLOGUE pushl %ebp pushl %edi pushl %esi pushl %ebx PROFCODE movl STACK_M, M movl STACK_X, X movl STACK_INCX, INCX pxor %xmm0, %xmm0 pxor %xmm7, %xmm7 xor RET, RET testl M, M jle .L999 testl INCX, INCX jle .L999 sall $ZBASE_SHIFT, INCX movl M, MM movl X, XX cmpeqpd %xmm7, %xmm7 psrlq $1, %xmm7 movsd 0 * SIZE(XX), %xmm0 movsd 1 * SIZE(XX), %xmm1 addl INCX, XX decl MM andpd %xmm7, %xmm0 andpd %xmm7, %xmm1 addpd %xmm1, %xmm0 unpcklpd %xmm0, %xmm0 cmpl $2 * SIZE, INCX jne .L60 movl MM, I sarl $3, I jle .L25 ALIGN_4 .L21: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX) #endif movsd 0 * SIZE(XX), %xmm1 movsd 1 * SIZE(XX), %xmm2 movhpd 2 * SIZE(XX), %xmm1 movhpd 3 * SIZE(XX), %xmm2 andpd %xmm7, %xmm1 andpd %xmm7, %xmm2 addpd %xmm2, %xmm1 maxpd %xmm1, %xmm0 movsd 4 * SIZE(XX), %xmm3 movsd 5 * SIZE(XX), %xmm4 movhpd 6 * SIZE(XX), %xmm3 movhpd 7 * SIZE(XX), %xmm4 andpd %xmm7, %xmm3 andpd %xmm7, %xmm4 addpd %xmm4, %xmm3 maxpd %xmm3, %xmm0 #if defined(PREFETCH) && !defined(FETCH128) PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(XX) #endif movsd 8 * SIZE(XX), %xmm1 movsd 9 * SIZE(XX), %xmm2 movhpd 10 * SIZE(XX), %xmm1 movhpd 11 * SIZE(XX), %xmm2 andpd %xmm7, %xmm1 andpd %xmm7, %xmm2 addpd %xmm2, %xmm1 maxpd %xmm1, %xmm0 movsd 12 * SIZE(XX), %xmm3 movsd 13 * SIZE(XX), %xmm4 movhpd 14 * SIZE(XX), %xmm3 movhpd 15 * SIZE(XX), %xmm4 andpd %xmm7, %xmm3 andpd %xmm7, %xmm4 addpd %xmm4, %xmm3 maxpd %xmm3, %xmm0 addl $16 * SIZE, XX decl I jg .L21 ALIGN_4 .L25: andl $7, MM jle .L30 testl $4, MM je .L26 movsd 0 * SIZE(XX), %xmm1 movsd 1 * SIZE(XX), %xmm2 movhpd 2 * SIZE(XX), %xmm1 movhpd 3 * SIZE(XX), %xmm2 andpd %xmm7, %xmm1 andpd %xmm7, %xmm2 addpd %xmm2, %xmm1 maxpd %xmm1, %xmm0 movsd 4 * SIZE(XX), %xmm3 movsd 5 * SIZE(XX), %xmm4 movhpd 6 * SIZE(XX), %xmm3 movhpd 7 * SIZE(XX), %xmm4 andpd %xmm7, %xmm3 andpd %xmm7, %xmm4 addpd %xmm4, %xmm3 maxpd %xmm3, %xmm0 addl $8 * SIZE, XX ALIGN_3 .L26: testl $2, MM je .L27 movsd 0 * SIZE(XX), %xmm1 movsd 1 * SIZE(XX), %xmm2 movhpd 2 * SIZE(XX), %xmm1 movhpd 3 * SIZE(XX), %xmm2 andpd %xmm7, %xmm1 andpd %xmm7, %xmm2 addpd %xmm2, %xmm1 maxpd %xmm1, %xmm0 addl $4 * SIZE, XX ALIGN_3 .L27: testl $1, MM je .L30 movsd 0 * SIZE(XX), %xmm1 movsd 1 * SIZE(XX), %xmm2 andpd %xmm7, %xmm1 andpd %xmm7, %xmm2 addpd %xmm2, %xmm1 maxsd %xmm1, %xmm0 ALIGN_4 .L30: movapd %xmm0, %xmm1 unpckhpd %xmm0, %xmm0 maxsd %xmm1, %xmm0 jmp .L999 ALIGN_3 .L60: movl MM, I sarl $3, I jle .L65 ALIGN_4 .L61: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX) #endif movsd 0 * SIZE(XX), %xmm1 movsd 1 * SIZE(XX), %xmm2 addl INCX, XX movhpd 0 * SIZE(XX), %xmm1 movhpd 1 * SIZE(XX), %xmm2 addl INCX, XX andpd %xmm7, %xmm1 andpd %xmm7, %xmm2 addpd %xmm2, %xmm1 maxpd %xmm1, %xmm0 movsd 0 * SIZE(XX), %xmm3 movsd 1 * SIZE(XX), %xmm4 addl INCX, XX movhpd 0 * SIZE(XX), %xmm3 movhpd 1 * SIZE(XX), %xmm4 addl INCX, XX andpd %xmm7, %xmm3 andpd %xmm7, %xmm4 addpd %xmm4, %xmm3 maxpd %xmm3, %xmm0 #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX) #endif movsd 0 * SIZE(XX), %xmm1 movsd 1 * SIZE(XX), %xmm2 addl INCX, XX movhpd 0 * SIZE(XX), %xmm1 movhpd 1 * SIZE(XX), %xmm2 addl INCX, XX andpd %xmm7, %xmm1 andpd %xmm7, %xmm2 addpd %xmm2, %xmm1 maxpd %xmm1, %xmm0 movsd 0 * SIZE(XX), %xmm3 movsd 1 * SIZE(XX), %xmm4 addl INCX, XX movhpd 0 * SIZE(XX), %xmm3 movhpd 1 * SIZE(XX), %xmm4 addl INCX, XX andpd %xmm7, %xmm3 andpd %xmm7, %xmm4 addpd %xmm4, %xmm3 maxpd %xmm3, %xmm0 decl I jg .L61 ALIGN_4 .L65: andl $7, MM jle .L70 testl $4, MM je .L66 movsd 0 * SIZE(XX), %xmm1 movsd 1 * SIZE(XX), %xmm2 addl INCX, XX movhpd 0 * SIZE(XX), %xmm1 movhpd 1 * SIZE(XX), %xmm2 addl INCX, XX andpd %xmm7, %xmm1 andpd %xmm7, %xmm2 addpd %xmm2, %xmm1 maxpd %xmm1, %xmm0 movsd 0 * SIZE(XX), %xmm3 movsd 1 * SIZE(XX), %xmm4 addl INCX, XX movhpd 0 * SIZE(XX), %xmm3 movhpd 1 * SIZE(XX), %xmm4 addl INCX, XX andpd %xmm7, %xmm3 andpd %xmm7, %xmm4 addpd %xmm4, %xmm3 maxpd %xmm3, %xmm0 ALIGN_3 .L66: testl $2, MM je .L67 movsd 0 * SIZE(XX), %xmm1 movsd 1 * SIZE(XX), %xmm2 addl INCX, XX movhpd 0 * SIZE(XX), %xmm1 movhpd 1 * SIZE(XX), %xmm2 addl INCX, XX andpd %xmm7, %xmm1 andpd %xmm7, %xmm2 addpd %xmm2, %xmm1 maxpd %xmm1, %xmm0 ALIGN_3 .L67: testl $1, MM je .L70 movsd 0 * SIZE(XX), %xmm1 movsd 1 * SIZE(XX), %xmm2 andpd %xmm7, %xmm1 andpd %xmm7, %xmm2 addpd %xmm2, %xmm1 maxsd %xmm1, %xmm0 ALIGN_3 .L70: movapd %xmm0, %xmm1 unpckhpd %xmm0, %xmm0 maxsd %xmm1, %xmm0 ALIGN_4 .L999: subl $8, %esp movsd %xmm0, (%esp) fldl (%esp) addl $8, %esp popl %ebx popl %esi popl %edi popl %ebp ret EPILOGUE