/*********************************************************************/ /* 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 maxsd minsd #endif #include "l1param.h" PROLOGUE PROFCODE SAVEREGISTERS xorps %xmm0, %xmm0 salq $ZBASE_SHIFT, INCX testq M, M jle .L999 testq INCX, INCX jle .L999 pcmpeqb %xmm15, %xmm15 psrlq $1, %xmm15 movsd 0 * SIZE(X), %xmm0 movsd 1 * SIZE(X), %xmm4 addq INCX, X andps %xmm15, %xmm0 andps %xmm15, %xmm4 addsd %xmm4, %xmm0 decq M jle .L999 movaps %xmm0, %xmm1 cmpq $2 * SIZE, INCX jne .L20 movq M, I sarq $2, I jle .L15 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 movsd 2 * SIZE(X), %xmm6 movsd 3 * SIZE(X), %xmm7 movsd 4 * SIZE(X), %xmm8 andps %xmm15, %xmm4 movsd 5 * SIZE(X), %xmm9 andps %xmm15, %xmm5 movsd 6 * SIZE(X), %xmm10 addsd %xmm4, %xmm5 movsd 7 * SIZE(X), %xmm11 decq I jle .L13 ALIGN_4 .L12: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif andps %xmm15, %xmm6 movsd 8 * SIZE(X), %xmm4 andps %xmm15, %xmm7 addsd %xmm6, %xmm7 movsd 10 * SIZE(X), %xmm6 maxsd %xmm5, %xmm0 movsd 9 * SIZE(X), %xmm5 andps %xmm15, %xmm8 maxsd %xmm7, %xmm1 movsd 11 * SIZE(X), %xmm7 andps %xmm15, %xmm9 addsd %xmm8, %xmm9 movsd 12 * SIZE(X), %xmm8 andps %xmm15, %xmm10 andps %xmm15, %xmm11 addsd %xmm10, %xmm11 movsd 14 * SIZE(X), %xmm10 maxsd %xmm9, %xmm0 movsd 13 * SIZE(X), %xmm9 andps %xmm15, %xmm4 maxsd %xmm11, %xmm1 movsd 15 * SIZE(X), %xmm11 andps %xmm15, %xmm5 addsd %xmm4, %xmm5 addq $8 * SIZE, X decq I jg .L12 ALIGN_4 .L13: andps %xmm15, %xmm6 andps %xmm15, %xmm7 addsd %xmm6, %xmm7 maxsd %xmm5, %xmm0 andps %xmm15, %xmm8 maxsd %xmm7, %xmm1 andps %xmm15, %xmm9 addsd %xmm8, %xmm9 andps %xmm15, %xmm10 andps %xmm15, %xmm11 addsd %xmm10, %xmm11 maxsd %xmm9, %xmm0 maxsd %xmm11, %xmm1 addq $8 * SIZE, X ALIGN_4 .L15: testq $2, M jle .L17 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 movsd 2 * SIZE(X), %xmm6 movsd 3 * SIZE(X), %xmm7 addq $4 * SIZE, X andps %xmm15, %xmm4 andps %xmm15, %xmm5 addsd %xmm4, %xmm5 andps %xmm15, %xmm6 andps %xmm15, %xmm7 addsd %xmm6, %xmm7 maxsd %xmm5, %xmm0 maxsd %xmm7, %xmm1 ALIGN_3 .L17: testq $1, M jle .L998 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 andps %xmm15, %xmm4 andps %xmm15, %xmm5 addsd %xmm4, %xmm5 maxsd %xmm5, %xmm0 jmp .L998 ALIGN_3 .L20: movq M, I sarq $2, I jle .L25 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 addq INCX, X movsd 0 * SIZE(X), %xmm6 movsd 1 * SIZE(X), %xmm7 addq INCX, X movsd 0 * SIZE(X), %xmm8 andps %xmm15, %xmm4 movsd 1 * SIZE(X), %xmm9 addq INCX, X andps %xmm15, %xmm5 movsd 0 * SIZE(X), %xmm10 addsd %xmm4, %xmm5 movsd 1 * SIZE(X), %xmm11 addq INCX, X decq I jle .L23 ALIGN_4 .L22: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif andps %xmm15, %xmm6 movsd 0 * SIZE(X), %xmm4 andps %xmm15, %xmm7 addsd %xmm6, %xmm7 maxsd %xmm5, %xmm0 movsd 1 * SIZE(X), %xmm5 andps %xmm15, %xmm8 addq INCX, X maxsd %xmm7, %xmm1 movsd 0 * SIZE(X), %xmm6 andps %xmm15, %xmm9 movsd 1 * SIZE(X), %xmm7 addsd %xmm8, %xmm9 addq INCX, X andps %xmm15, %xmm10 movsd 0 * SIZE(X), %xmm8 andps %xmm15, %xmm11 addsd %xmm10, %xmm11 maxsd %xmm9, %xmm0 movsd 1 * SIZE(X), %xmm9 addq INCX, X andps %xmm15, %xmm4 movsd 0 * SIZE(X), %xmm10 maxsd %xmm11, %xmm1 movsd 1 * SIZE(X), %xmm11 andps %xmm15, %xmm5 addq INCX, X addsd %xmm4, %xmm5 decq I jg .L22 ALIGN_4 .L23: andps %xmm15, %xmm6 andps %xmm15, %xmm7 addsd %xmm6, %xmm7 maxsd %xmm5, %xmm0 andps %xmm15, %xmm8 maxsd %xmm7, %xmm1 andps %xmm15, %xmm9 addsd %xmm8, %xmm9 andps %xmm15, %xmm10 andps %xmm15, %xmm11 addsd %xmm10, %xmm11 maxsd %xmm9, %xmm0 maxsd %xmm11, %xmm1 ALIGN_4 .L25: testq $2, M jle .L27 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 addq INCX, X movsd 0 * SIZE(X), %xmm6 movsd 1 * SIZE(X), %xmm7 addq INCX, X andps %xmm15, %xmm4 andps %xmm15, %xmm5 addsd %xmm4, %xmm5 andps %xmm15, %xmm6 andps %xmm15, %xmm7 addsd %xmm6, %xmm7 maxsd %xmm5, %xmm0 maxsd %xmm7, %xmm1 ALIGN_3 .L27: testq $1, M jle .L998 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 andps %xmm15, %xmm4 andps %xmm15, %xmm5 addsd %xmm4, %xmm5 maxsd %xmm5, %xmm0 ALIGN_3 .L998: maxsd %xmm1, %xmm0 ALIGN_4 .L999: RESTOREREGISTERS ret EPILOGUE