/*********************************************************************/ /* 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 maxps minps #define maxss minss #endif #ifndef HAVE_SSE2 #define pxor xorps #define movsd movlps #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 #ifdef USE_ABS #ifndef HAVE_SSE2 subl $8, %esp movl $0x7fffffff, (%esp) movss (%esp), %xmm7 shufps $0, %xmm7, %xmm7 addl $8, %esp #else cmpeqps %xmm7, %xmm7 psrld $1, %xmm7 /* Generate USE_ABS */ #endif #endif movss 0 * SIZE(XX), %xmm0 movss 1 * SIZE(XX), %xmm1 addl INCX, XX decl MM #ifdef USE_ABS andps %xmm7, %xmm0 andps %xmm7, %xmm1 #endif addps %xmm1, %xmm0 shufps $0, %xmm0, %xmm0 cmpl $2 * SIZE, INCX jne .L70 .L30: movl MM, I sarl $3, I jle .L35 ALIGN_4 .L31: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX) #endif movsd 0 * SIZE(XX), %xmm1 movhps 2 * SIZE(XX), %xmm1 movsd 4 * SIZE(XX), %xmm2 movhps 6 * SIZE(XX), %xmm2 movaps %xmm1, %xmm3 shufps $0x88, %xmm2, %xmm1 shufps $0xdd, %xmm2, %xmm3 #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm3 addps %xmm3, %xmm1 maxps %xmm1, %xmm0 #endif movsd 8 * SIZE(XX), %xmm1 movhps 10 * SIZE(XX), %xmm1 movsd 12 * SIZE(XX), %xmm2 movhps 14 * SIZE(XX), %xmm2 movaps %xmm1, %xmm3 shufps $0x88, %xmm2, %xmm1 shufps $0xdd, %xmm2, %xmm3 #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm3 #endif addps %xmm3, %xmm1 maxps %xmm1, %xmm0 addl $16 * SIZE, XX decl I jg .L31 ALIGN_4 .L35: andl $7, MM jle .L40 testl $4, MM je .L36 movsd 0 * SIZE(XX), %xmm1 movhps 2 * SIZE(XX), %xmm1 movsd 4 * SIZE(XX), %xmm2 movhps 6 * SIZE(XX), %xmm2 movaps %xmm1, %xmm3 shufps $0x88, %xmm2, %xmm1 shufps $0xdd, %xmm2, %xmm3 #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm3 #endif addps %xmm3, %xmm1 maxps %xmm1, %xmm0 addl $8 * SIZE, XX ALIGN_3 .L36: testl $2, MM je .L37 movss 0 * SIZE(XX), %xmm1 movss 1 * SIZE(XX), %xmm2 movss 2 * SIZE(XX), %xmm3 movss 3 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm2 andps %xmm7, %xmm3 andps %xmm7, %xmm4 #endif addps %xmm2, %xmm1 addps %xmm4, %xmm3 maxss %xmm1, %xmm0 maxss %xmm3, %xmm0 addl $4 * SIZE, XX ALIGN_3 .L37: testl $1, MM je .L40 movss 0 * SIZE(XX), %xmm1 movss 1 * SIZE(XX), %xmm2 #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm2 #endif addps %xmm2, %xmm1 maxss %xmm1, %xmm0 ALIGN_4 .L40: movaps %xmm0, %xmm1 movhlps %xmm0, %xmm0 maxps %xmm1, %xmm0 movaps %xmm0, %xmm1 shufps $1, %xmm0, %xmm0 maxss %xmm1, %xmm0 jmp .L999 ALIGN_4 .L70: movl MM, I sarl $3, I jle .L75 ALIGN_4 .L71: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX) #endif movsd 0 * SIZE(XX), %xmm1 addl INCX, XX movhps 0 * SIZE(XX), %xmm1 addl INCX, XX movsd 0 * SIZE(XX), %xmm2 addl INCX, XX movhps 0 * SIZE(XX), %xmm2 addl INCX, XX movaps %xmm1, %xmm3 shufps $0x88, %xmm2, %xmm1 shufps $0xdd, %xmm2, %xmm3 #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm3 #endif addps %xmm3, %xmm1 maxps %xmm1, %xmm0 movsd 0 * SIZE(XX), %xmm1 addl INCX, XX movhps 0 * SIZE(XX), %xmm1 addl INCX, XX movsd 0 * SIZE(XX), %xmm2 addl INCX, XX movhps 0 * SIZE(XX), %xmm2 addl INCX, XX movaps %xmm1, %xmm3 shufps $0x88, %xmm2, %xmm1 shufps $0xdd, %xmm2, %xmm3 #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm3 #endif addps %xmm3, %xmm1 maxps %xmm1, %xmm0 decl I jg .L71 ALIGN_4 .L75: andl $7, MM jle .L80 testl $4, MM je .L76 movsd 0 * SIZE(XX), %xmm1 addl INCX, XX movhps 0 * SIZE(XX), %xmm1 addl INCX, XX movsd 0 * SIZE(XX), %xmm2 addl INCX, XX movhps 0 * SIZE(XX), %xmm2 addl INCX, XX movaps %xmm1, %xmm3 shufps $0x88, %xmm2, %xmm1 shufps $0xdd, %xmm2, %xmm3 #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm3 #endif addps %xmm3, %xmm1 maxps %xmm1, %xmm0 ALIGN_3 .L76: testl $2, MM je .L77 movss 0 * SIZE(XX), %xmm1 movss 1 * SIZE(XX), %xmm2 addl INCX, XX movss 0 * SIZE(XX), %xmm3 movss 1 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm2 andps %xmm7, %xmm3 andps %xmm7, %xmm4 #endif addps %xmm2, %xmm1 addps %xmm4, %xmm3 maxss %xmm1, %xmm0 maxss %xmm3, %xmm0 ALIGN_3 .L77: testl $1, MM je .L80 movss 0 * SIZE(XX), %xmm1 movss 1 * SIZE(XX), %xmm2 #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm2 #endif addps %xmm2, %xmm1 maxss %xmm1, %xmm0 ALIGN_4 .L80: movaps %xmm0, %xmm1 movhlps %xmm0, %xmm0 maxps %xmm1, %xmm0 movaps %xmm0, %xmm1 shufps $1, %xmm0, %xmm0 maxss %xmm1, %xmm0 ALIGN_4 .L999: subl $8, %esp movss %xmm0, (%esp) flds (%esp) addl $8, %esp popl %ebx popl %esi popl %edi popl %ebp ret EPILOGUE