/*********************************************************************/ /* 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 M %ebx #define X %ecx #define INCX %edx #define I %eax #ifdef USE_MIN #define maxpd minpd #define maxsd minsd #endif #include "l1param.h" PROLOGUE pushl %ebp pushl %edi pushl %esi pushl %ebx PROFCODE #if defined(F_INTERFACE_GFORT) || defined(F_INTERFACE_G95) EMMS #endif movl STACK_M, M movl STACK_X, X movl STACK_INCX, INCX xorps %xmm0, %xmm0 leal (, INCX, SIZE), INCX testl M, M jle .L999 #ifdef USE_ABS pcmpeqb %xmm3, %xmm3 psrlq $1, %xmm3 #endif movsd (X), %xmm0 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm0 #endif unpcklpd %xmm0, %xmm0 movaps %xmm0, %xmm1 decl M jle .L999 cmpl $SIZE, INCX jne .L40 subl $-16 * SIZE, X testl $SIZE, X je .L05 movsd -16 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm3, %xmm4 #endif unpcklpd %xmm4, %xmm4 maxpd %xmm4, %xmm0 addl $SIZE, X decl M jle .L998 ALIGN_3 .L05: movl M, I sarl $4, I jle .L15 movaps -16 * SIZE(X), %xmm4 movaps -14 * SIZE(X), %xmm5 movaps -12 * SIZE(X), %xmm6 movaps -10 * SIZE(X), %xmm7 decl I jle .L12 ALIGN_4 .L11: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxpd %xmm4, %xmm0 movaps -8 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxpd %xmm5, %xmm1 movaps -6 * SIZE(X), %xmm5 #ifdef USE_ABS andps %xmm3, %xmm6 #endif maxpd %xmm6, %xmm0 movaps -4 * SIZE(X), %xmm6 #ifdef USE_ABS andps %xmm3, %xmm7 #endif maxpd %xmm7, %xmm1 movaps -2 * SIZE(X), %xmm7 #if defined(PREFETCH) && !defined(FETCH128) PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X) #endif #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxpd %xmm4, %xmm0 movaps 0 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxpd %xmm5, %xmm1 movaps 2 * SIZE(X), %xmm5 #ifdef USE_ABS andps %xmm3, %xmm6 #endif maxpd %xmm6, %xmm0 movaps 4 * SIZE(X), %xmm6 #ifdef USE_ABS andps %xmm3, %xmm7 #endif maxpd %xmm7, %xmm1 movaps 6 * SIZE(X), %xmm7 subl $-16 * SIZE, X decl I jg .L11 ALIGN_4 .L12: #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxpd %xmm4, %xmm0 movaps -8 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxpd %xmm5, %xmm1 movaps -6 * SIZE(X), %xmm5 #ifdef USE_ABS andps %xmm3, %xmm6 #endif maxpd %xmm6, %xmm0 movaps -4 * SIZE(X), %xmm6 #ifdef USE_ABS andps %xmm3, %xmm7 #endif maxpd %xmm7, %xmm1 movaps -2 * SIZE(X), %xmm7 #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxpd %xmm4, %xmm0 #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxpd %xmm5, %xmm1 #ifdef USE_ABS andps %xmm3, %xmm6 #endif maxpd %xmm6, %xmm0 #ifdef USE_ABS andps %xmm3, %xmm7 #endif maxpd %xmm7, %xmm1 subl $-16 * SIZE, X ALIGN_4 .L15: testl $8, M jle .L16 movaps -16 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxpd %xmm4, %xmm0 movaps -14 * SIZE(X), %xmm5 #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxpd %xmm5, %xmm1 movaps -12 * SIZE(X), %xmm6 #ifdef USE_ABS andps %xmm3, %xmm6 #endif maxpd %xmm6, %xmm0 movaps -10 * SIZE(X), %xmm7 #ifdef USE_ABS andps %xmm3, %xmm7 #endif maxpd %xmm7, %xmm1 addl $8 * SIZE, X ALIGN_3 .L16: testl $4, M jle .L17 movaps -16 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxpd %xmm4, %xmm0 movaps -14 * SIZE(X), %xmm5 #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxpd %xmm5, %xmm1 addl $4 * SIZE, X ALIGN_3 .L17: testl $2, M jle .L18 movaps -16 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxpd %xmm4, %xmm0 addl $2 * SIZE, X ALIGN_3 .L18: testl $1, M jle .L998 movsd -16 * SIZE(X), %xmm4 unpcklpd %xmm4, %xmm4 #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxpd %xmm4, %xmm1 jmp .L998 ALIGN_3 .L40: movl M, I sarl $4, I jle .L45 ALIGN_4 .L41: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif movsd (X), %xmm4 addl INCX, X movhps (X), %xmm4 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxpd %xmm4, %xmm0 movsd (X), %xmm5 addl INCX, X movhps (X), %xmm5 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxpd %xmm5, %xmm1 movsd (X), %xmm6 addl INCX, X movhps (X), %xmm6 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm6 #endif maxpd %xmm6, %xmm0 movsd (X), %xmm7 addl INCX, X movhps (X), %xmm7 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm7 #endif maxpd %xmm7, %xmm1 #if defined(PREFETCH) && !defined(FETCH128) PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X) #endif movsd (X), %xmm4 addl INCX, X movhps (X), %xmm4 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxpd %xmm4, %xmm0 movsd (X), %xmm5 addl INCX, X movhps (X), %xmm5 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxpd %xmm5, %xmm1 movsd (X), %xmm6 addl INCX, X movhps (X), %xmm6 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm6 #endif maxpd %xmm6, %xmm0 movsd (X), %xmm7 addl INCX, X movhps (X), %xmm7 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm7 #endif maxpd %xmm7, %xmm1 decl I jg .L41 ALIGN_4 .L45: andl $15, M jle .L998 testl $8, M je .L46 movsd (X), %xmm4 addl INCX, X movhps (X), %xmm4 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxpd %xmm4, %xmm0 movsd (X), %xmm5 addl INCX, X movhps (X), %xmm5 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxpd %xmm5, %xmm1 movsd (X), %xmm6 addl INCX, X movhps (X), %xmm6 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm6 #endif maxpd %xmm6, %xmm0 movsd (X), %xmm7 addl INCX, X movhps (X), %xmm7 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm7 #endif maxpd %xmm7, %xmm1 ALIGN_3 .L46: testl $4, M je .L47 movsd (X), %xmm4 addl INCX, X movhps (X), %xmm4 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxpd %xmm4, %xmm0 movsd (X), %xmm5 addl INCX, X movhps (X), %xmm5 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxpd %xmm5, %xmm1 ALIGN_3 .L47: testl $2, M je .L48 movsd (X), %xmm6 addl INCX, X movhps (X), %xmm6 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm6 #endif maxpd %xmm6, %xmm0 ALIGN_3 .L48: testl $1, M je .L998 movsd (X), %xmm7 unpcklpd %xmm7, %xmm7 #ifdef USE_ABS andps %xmm3, %xmm7 #endif maxpd %xmm7, %xmm1 ALIGN_4 .L998: maxpd %xmm1, %xmm0 movaps %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