/*********************************************************************/ /* 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 M ARG1 /* rdi */ #define X ARG2 /* rsi */ #define INCX ARG3 /* rdx */ #define I %rax #ifdef USE_MIN #define maxpd minpd #define maxsd minsd #endif #include "l1param.h" PROLOGUE PROFCODE SAVEREGISTERS pxor %xmm0, %xmm0 testq M, M jle .L999 testq INCX, INCX jle .L999 salq $ZBASE_SHIFT, INCX pcmpeqb %xmm15, %xmm15 psrlq $1, %xmm15 movsd 0 * SIZE(X), %xmm0 movsd 1 * SIZE(X), %xmm1 addq INCX, X decq M andpd %xmm15, %xmm0 andpd %xmm15, %xmm1 addpd %xmm1, %xmm0 unpcklpd %xmm0, %xmm0 movapd %xmm0, %xmm1 movapd %xmm0, %xmm2 movapd %xmm0, %xmm3 cmpq $2 * SIZE, INCX jne .L40 .L30: movq M, I sarq $3, I jle .L35 ALIGN_4 .L31: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 movhpd 2 * SIZE(X), %xmm4 movhpd 3 * SIZE(X), %xmm5 movsd 4 * SIZE(X), %xmm6 movsd 5 * SIZE(X), %xmm7 movhpd 6 * SIZE(X), %xmm6 movhpd 7 * SIZE(X), %xmm7 andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 addpd %xmm5, %xmm4 maxpd %xmm4, %xmm0 andpd %xmm15, %xmm6 andpd %xmm15, %xmm7 addpd %xmm7, %xmm6 maxpd %xmm6, %xmm1 #if defined(PREFETCH) && !defined(FETCH128) PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X) #endif movsd 8 * SIZE(X), %xmm4 movsd 9 * SIZE(X), %xmm5 movhpd 10 * SIZE(X), %xmm4 movhpd 11 * SIZE(X), %xmm5 movsd 12 * SIZE(X), %xmm6 movsd 13 * SIZE(X), %xmm7 movhpd 14 * SIZE(X), %xmm6 movhpd 15 * SIZE(X), %xmm7 andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 addpd %xmm5, %xmm4 maxpd %xmm4, %xmm2 andpd %xmm15, %xmm6 andpd %xmm15, %xmm7 addpd %xmm7, %xmm6 maxpd %xmm6, %xmm3 addq $16 * SIZE, X decq I jg .L31 ALIGN_4 .L35: andq $7, M jle .L998 testq $4, M je .L36 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 movhpd 2 * SIZE(X), %xmm4 movhpd 3 * SIZE(X), %xmm5 movsd 4 * SIZE(X), %xmm6 movsd 5 * SIZE(X), %xmm7 movhpd 6 * SIZE(X), %xmm6 movhpd 7 * SIZE(X), %xmm7 andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 andpd %xmm15, %xmm6 andpd %xmm15, %xmm7 addpd %xmm5, %xmm4 addpd %xmm7, %xmm6 maxpd %xmm4, %xmm0 maxpd %xmm6, %xmm1 addq $8 * SIZE, X ALIGN_3 .L36: testq $2, M je .L37 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 movhpd 2 * SIZE(X), %xmm4 movhpd 3 * SIZE(X), %xmm5 addq $4 * SIZE, X andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 addpd %xmm5, %xmm4 maxpd %xmm4, %xmm0 ALIGN_3 .L37: testq $1, M je .L998 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 addpd %xmm5, %xmm4 maxsd %xmm4, %xmm2 jmp .L998 ALIGN_4 .L40: movq M, I sarq $3, I jle .L45 ALIGN_4 .L41: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 addq INCX, X movhpd 0 * SIZE(X), %xmm4 movhpd 1 * SIZE(X), %xmm5 addq INCX, X movsd 0 * SIZE(X), %xmm6 movsd 1 * SIZE(X), %xmm7 addq INCX, X movhpd 0 * SIZE(X), %xmm6 movhpd 1 * SIZE(X), %xmm7 addq INCX, X andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 addpd %xmm5, %xmm4 maxpd %xmm4, %xmm0 andpd %xmm15, %xmm6 andpd %xmm15, %xmm7 addpd %xmm7, %xmm6 maxpd %xmm6, %xmm1 #if defined(PREFETCH) && !defined(FETCH128) PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X) #endif movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 addq INCX, X movhpd 0 * SIZE(X), %xmm4 movhpd 1 * SIZE(X), %xmm5 addq INCX, X movsd 0 * SIZE(X), %xmm6 movsd 1 * SIZE(X), %xmm7 addq INCX, X movhpd 0 * SIZE(X), %xmm6 movhpd 1 * SIZE(X), %xmm7 addq INCX, X andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 addpd %xmm5, %xmm4 maxpd %xmm4, %xmm2 andpd %xmm15, %xmm6 andpd %xmm15, %xmm7 addpd %xmm7, %xmm6 maxpd %xmm6, %xmm3 decq I jg .L41 ALIGN_4 .L45: andq $7, M jle .L998 testq $4, M je .L46 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 addq INCX, X movhpd 0 * SIZE(X), %xmm4 movhpd 1 * SIZE(X), %xmm5 addq INCX, X movsd 0 * SIZE(X), %xmm6 movsd 1 * SIZE(X), %xmm7 addq INCX, X movhpd 0 * SIZE(X), %xmm6 movhpd 1 * SIZE(X), %xmm7 addq INCX, X andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 andpd %xmm15, %xmm6 andpd %xmm15, %xmm7 addpd %xmm5, %xmm4 addpd %xmm7, %xmm6 maxpd %xmm4, %xmm0 maxpd %xmm6, %xmm1 ALIGN_3 .L46: testq $2, M je .L47 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 addq INCX, X movhpd 0 * SIZE(X), %xmm4 movhpd 1 * SIZE(X), %xmm5 addq INCX, X andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 addpd %xmm5, %xmm4 maxpd %xmm4, %xmm2 ALIGN_3 .L47: testq $1, M je .L998 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 addpd %xmm5, %xmm4 maxsd %xmm4, %xmm3 jmp .L998 ALIGN_4 .L998: maxpd %xmm1, %xmm0 maxpd %xmm3, %xmm2 maxpd %xmm2, %xmm0 movapd %xmm0, %xmm1 unpckhpd %xmm0, %xmm0 maxsd %xmm1, %xmm0 ALIGN_4 .L999: RESTOREREGISTERS ret EPILOGUE