/*********************************************************************/ /* 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 maxps minps #define maxss minss #endif #include "l1param.h" PROLOGUE PROFCODE SAVEREGISTERS pxor %xmm0, %xmm0 salq $ZBASE_SHIFT, INCX testq M, M jle .L999 pcmpeqb %xmm15, %xmm15 psrld $1, %xmm15 movss 0 * SIZE(X), %xmm0 movss 1 * SIZE(X), %xmm1 addq INCX, X decq M andps %xmm15, %xmm0 andps %xmm15, %xmm1 addps %xmm1, %xmm0 shufps $0, %xmm0, %xmm0 movaps %xmm0, %xmm1 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 movhps 2 * SIZE(X), %xmm4 movsd 4 * SIZE(X), %xmm5 movhps 6 * SIZE(X), %xmm5 movaps %xmm4, %xmm6 shufps $0x88, %xmm5, %xmm4 shufps $0xdd, %xmm5, %xmm6 andps %xmm15, %xmm4 andps %xmm15, %xmm6 addps %xmm6, %xmm4 maxps %xmm4, %xmm0 movsd 8 * SIZE(X), %xmm7 movhps 10 * SIZE(X), %xmm7 movsd 12 * SIZE(X), %xmm8 movhps 14 * SIZE(X), %xmm8 movaps %xmm7, %xmm9 shufps $0x88, %xmm8, %xmm7 shufps $0xdd, %xmm8, %xmm9 andps %xmm15, %xmm7 andps %xmm15, %xmm9 addps %xmm9, %xmm7 maxps %xmm7, %xmm0 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 movhps 2 * SIZE(X), %xmm4 movsd 4 * SIZE(X), %xmm5 movhps 6 * SIZE(X), %xmm5 movaps %xmm4, %xmm6 shufps $0x88, %xmm5, %xmm4 shufps $0xdd, %xmm5, %xmm6 andps %xmm15, %xmm4 andps %xmm15, %xmm6 addps %xmm6, %xmm4 maxps %xmm4, %xmm0 addq $8 * SIZE, X ALIGN_3 .L36: testq $2, M je .L37 movss 0 * SIZE(X), %xmm4 movss 1 * SIZE(X), %xmm5 movss 2 * SIZE(X), %xmm6 movss 3 * SIZE(X), %xmm7 andps %xmm15, %xmm4 andps %xmm15, %xmm5 andps %xmm15, %xmm6 andps %xmm15, %xmm7 addps %xmm5, %xmm4 addps %xmm7, %xmm6 maxss %xmm4, %xmm0 maxss %xmm6, %xmm1 addq $4 * SIZE, X ALIGN_3 .L37: testq $1, M je .L998 movss 0 * SIZE(X), %xmm4 movss 1 * SIZE(X), %xmm5 andps %xmm15, %xmm4 andps %xmm15, %xmm5 addps %xmm5, %xmm4 maxss %xmm4, %xmm0 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 addq INCX, X movhps 0 * SIZE(X), %xmm4 addq INCX, X movsd 0 * SIZE(X), %xmm5 addq INCX, X movhps 0 * SIZE(X), %xmm5 addq INCX, X movaps %xmm4, %xmm6 shufps $0x88, %xmm5, %xmm4 shufps $0xdd, %xmm5, %xmm6 andps %xmm15, %xmm4 andps %xmm15, %xmm6 addps %xmm6, %xmm4 maxps %xmm4, %xmm0 movsd 0 * SIZE(X), %xmm7 addq INCX, X movhps 0 * SIZE(X), %xmm7 addq INCX, X movsd 0 * SIZE(X), %xmm8 addq INCX, X movhps 0 * SIZE(X), %xmm8 addq INCX, X movaps %xmm7, %xmm9 shufps $0x88, %xmm8, %xmm7 shufps $0xdd, %xmm8, %xmm9 andps %xmm15, %xmm7 andps %xmm15, %xmm9 addps %xmm9, %xmm7 maxps %xmm7, %xmm0 decq I jg .L41 ALIGN_4 .L45: andq $7, M jle .L998 testq $4, M je .L46 movsd 0 * SIZE(X), %xmm4 addq INCX, X movhps 0 * SIZE(X), %xmm4 addq INCX, X movsd 0 * SIZE(X), %xmm5 addq INCX, X movhps 0 * SIZE(X), %xmm5 addq INCX, X movaps %xmm4, %xmm6 shufps $0x88, %xmm5, %xmm4 shufps $0xdd, %xmm5, %xmm6 andps %xmm15, %xmm4 andps %xmm15, %xmm6 addps %xmm6, %xmm4 maxps %xmm4, %xmm0 ALIGN_3 .L46: testq $2, M je .L47 movss 0 * SIZE(X), %xmm4 movss 1 * SIZE(X), %xmm5 addq INCX, X movss 0 * SIZE(X), %xmm6 movss 1 * SIZE(X), %xmm7 addq INCX, X andps %xmm15, %xmm4 andps %xmm15, %xmm5 andps %xmm15, %xmm6 andps %xmm15, %xmm7 addps %xmm5, %xmm4 addps %xmm7, %xmm6 maxss %xmm4, %xmm0 maxss %xmm6, %xmm1 ALIGN_3 .L47: testq $1, M je .L998 movss 0 * SIZE(X), %xmm4 movss 1 * SIZE(X), %xmm5 andps %xmm15, %xmm4 andps %xmm15, %xmm5 addps %xmm5, %xmm4 maxss %xmm4, %xmm0 jmp .L998 ALIGN_4 .L998: maxps %xmm1, %xmm0 movaps %xmm0, %xmm1 movhlps %xmm0, %xmm0 maxps %xmm1, %xmm0 movaps %xmm0, %xmm1 shufps $1, %xmm0, %xmm0 maxss %xmm1, %xmm0 ALIGN_4 .L999: RESTOREREGISTERS ret EPILOGUE