/*********************************************************************/ /* 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 xorps %xmm0, %xmm0 leaq (, INCX, SIZE), INCX testq M, M jle .L999 #ifdef USE_ABS pcmpeqb %xmm15, %xmm15 psrld $1, %xmm15 #endif movss (X), %xmm0 shufps $0, %xmm0, %xmm0 #ifdef USE_ABS andps %xmm15, %xmm0 #endif movaps %xmm0, %xmm1 movaps %xmm0, %xmm2 movaps %xmm0, %xmm3 addq INCX, X decq M jle .L999 cmpq $SIZE, INCX jne .L40 subq $-32 * SIZE, X cmpq $3, M jle .L17 testq $SIZE, X je .L05 movss -32 * SIZE(X), %xmm1 shufps $0, %xmm1, %xmm1 #ifdef USE_ABS andps %xmm15, %xmm1 #endif decq M addq $SIZE, X ALIGN_3 .L05: testq $2 * SIZE, X je .L06 movsd -32 * SIZE(X), %xmm2 unpcklps %xmm2, %xmm2 #ifdef USE_ABS andps %xmm15, %xmm2 #endif subq $2, M addq $2 * SIZE, X ALIGN_3 .L06: movq M, I sarq $5, I jle .L15 movaps -32 * SIZE(X), %xmm4 movaps -28 * SIZE(X), %xmm5 movaps -24 * SIZE(X), %xmm6 movaps -20 * SIZE(X), %xmm7 decq I jle .L12 ALIGN_4 .L11: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif #ifdef USE_ABS andps %xmm15, %xmm4 #endif maxps %xmm4, %xmm0 movaps -16 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm15, %xmm5 #endif maxps %xmm5, %xmm1 movaps -12 * SIZE(X), %xmm5 #ifdef USE_ABS andps %xmm15, %xmm6 #endif maxps %xmm6, %xmm2 movaps -8 * SIZE(X), %xmm6 #ifdef USE_ABS andps %xmm15, %xmm7 #endif maxps %xmm7, %xmm3 movaps -4 * SIZE(X), %xmm7 #if defined(PREFETCH) && !defined(FETCH128) PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X) #endif #ifdef USE_ABS andps %xmm15, %xmm4 #endif maxps %xmm4, %xmm0 movaps 0 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm15, %xmm5 #endif maxps %xmm5, %xmm1 movaps 4 * SIZE(X), %xmm5 #ifdef USE_ABS andps %xmm15, %xmm6 #endif maxps %xmm6, %xmm2 movaps 8 * SIZE(X), %xmm6 #ifdef USE_ABS andps %xmm15, %xmm7 #endif maxps %xmm7, %xmm3 movaps 12 * SIZE(X), %xmm7 subq $-32 * SIZE, X decq I jg .L11 ALIGN_4 .L12: #ifdef USE_ABS andps %xmm15, %xmm4 #endif maxps %xmm4, %xmm0 movaps -16 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm15, %xmm5 #endif maxps %xmm5, %xmm1 movaps -12 * SIZE(X), %xmm5 #ifdef USE_ABS andps %xmm15, %xmm6 #endif maxps %xmm6, %xmm2 movaps -8 * SIZE(X), %xmm6 #ifdef USE_ABS andps %xmm15, %xmm7 #endif maxps %xmm7, %xmm3 movaps -4 * SIZE(X), %xmm7 #ifdef USE_ABS andps %xmm15, %xmm4 #endif maxps %xmm4, %xmm0 #ifdef USE_ABS andps %xmm15, %xmm5 #endif maxps %xmm5, %xmm1 #ifdef USE_ABS andps %xmm15, %xmm6 #endif maxps %xmm6, %xmm2 #ifdef USE_ABS andps %xmm15, %xmm7 #endif maxps %xmm7, %xmm3 subq $-32 * SIZE, X ALIGN_3 .L15: testq $16, M je .L16 movaps -32 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm15, %xmm4 #endif maxps %xmm4, %xmm0 movaps -28 * SIZE(X), %xmm5 #ifdef USE_ABS andps %xmm15, %xmm5 #endif maxps %xmm5, %xmm1 movaps -24 * SIZE(X), %xmm6 #ifdef USE_ABS andps %xmm15, %xmm6 #endif maxps %xmm6, %xmm2 movaps -20 * SIZE(X), %xmm7 #ifdef USE_ABS andps %xmm15, %xmm7 #endif maxps %xmm7, %xmm3 addq $16 * SIZE, X ALIGN_3 .L16: testq $8, M je .L17 movaps -32 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm15, %xmm4 #endif maxps %xmm4, %xmm0 movaps -28 * SIZE(X), %xmm5 #ifdef USE_ABS andps %xmm15, %xmm5 #endif maxps %xmm5, %xmm1 addq $8 * SIZE, X ALIGN_3 .L17: testq $4, M je .L18 movaps -32 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm15, %xmm4 #endif maxps %xmm4, %xmm2 addq $4 * SIZE, X ALIGN_3 .L18: testq $2, M je .L19 movsd -32 * SIZE(X), %xmm4 unpcklps %xmm4, %xmm4 #ifdef USE_ABS andps %xmm15, %xmm4 #endif maxps %xmm4, %xmm3 addq $2 * SIZE, X ALIGN_3 .L19: testq $1, M je .L998 movss -32 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm15, %xmm4 #endif maxss %xmm4, %xmm0 jmp .L998 ALIGN_3 .L40: movq M, I sarq $3, I jle .L45 ALIGN_4 .L41: movss (X), %xmm4 addq INCX, X #ifdef USE_ABS andps %xmm15, %xmm4 #endif maxss %xmm4, %xmm0 movss (X), %xmm5 addq INCX, X #ifdef USE_ABS andps %xmm15, %xmm5 #endif maxss %xmm5, %xmm1 movss (X), %xmm6 addq INCX, X #ifdef USE_ABS andps %xmm15, %xmm6 #endif maxss %xmm6, %xmm2 movss (X), %xmm7 addq INCX, X #ifdef USE_ABS andps %xmm15, %xmm7 #endif maxss %xmm7, %xmm3 movss (X), %xmm4 addq INCX, X #ifdef USE_ABS andps %xmm15, %xmm4 #endif maxss %xmm4, %xmm0 movss (X), %xmm5 addq INCX, X #ifdef USE_ABS andps %xmm15, %xmm5 #endif maxss %xmm5, %xmm1 movss (X), %xmm6 addq INCX, X #ifdef USE_ABS andps %xmm15, %xmm6 #endif maxss %xmm6, %xmm2 movss (X), %xmm7 addq INCX, X #ifdef USE_ABS andps %xmm15, %xmm7 #endif maxss %xmm7, %xmm3 decq I jg .L41 ALIGN_4 .L45: testq $4, M je .L46 movss (X), %xmm4 addq INCX, X #ifdef USE_ABS andps %xmm15, %xmm4 #endif maxss %xmm4, %xmm0 movss (X), %xmm5 addq INCX, X #ifdef USE_ABS andps %xmm15, %xmm5 #endif maxss %xmm5, %xmm1 movss (X), %xmm6 addq INCX, X #ifdef USE_ABS andps %xmm15, %xmm6 #endif maxss %xmm6, %xmm2 movss (X), %xmm7 addq INCX, X #ifdef USE_ABS andps %xmm15, %xmm7 #endif maxss %xmm7, %xmm3 ALIGN_3 .L46: testq $2, M je .L47 movss (X), %xmm4 addq INCX, X #ifdef USE_ABS andps %xmm15, %xmm4 #endif maxss %xmm4, %xmm0 movss (X), %xmm5 addq INCX, X #ifdef USE_ABS andps %xmm15, %xmm5 #endif maxss %xmm5, %xmm1 ALIGN_3 .L47: testq $1, M je .L998 movss (X), %xmm4 addq INCX, X #ifdef USE_ABS andps %xmm15, %xmm4 #endif maxss %xmm4, %xmm2 ALIGN_4 .L998: maxps %xmm1, %xmm0 maxps %xmm3, %xmm2 maxps %xmm2, %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