/*********************************************************************/ /* 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 maxps minps #define maxss minss #endif #include "l1param.h" PROLOGUE pushl %ebp pushl %edi pushl %esi pushl %ebx PROFCODE movl STACK_M, M movl STACK_X, X movl STACK_INCX, INCX #ifdef F_INTERFACE movl (M), M movl (INCX), INCX #endif xorps %xmm0, %xmm0 leal (, INCX, SIZE), INCX testl M, M jle .L999 #ifdef USE_ABS #ifndef HAVE_SSE2 subl $8, %esp movl $0x7fffffff, (%esp) movss (%esp), %xmm3 shufps $0, %xmm3, %xmm3 addl $8, %esp #else pcmpeqb %xmm3, %xmm3 psrld $1, %xmm3 #endif #endif movss (X), %xmm0 shufps $0, %xmm0, %xmm0 #ifdef USE_ABS andps %xmm3, %xmm0 #endif movaps %xmm0, %xmm1 addl INCX, X decl M jle .L999 cmpl $SIZE, INCX jne .L40 subl $-32 * SIZE, X cmpl $3, M jle .L17 testl $SIZE, X je .L05 movss -32 * SIZE(X), %xmm4 addl $SIZE, X shufps $0, %xmm4, %xmm4 #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxps %xmm4, %xmm0 decl M ALIGN_3 .L05: testl $2 * SIZE, X je .L06 movsd -32 * SIZE(X), %xmm4 addl $2 * SIZE, X unpcklps %xmm4, %xmm4 #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxps %xmm4, %xmm1 subl $2, M ALIGN_3 .L06: movl M, I sarl $5, I jle .L15 movaps -32 * SIZE(X), %xmm4 movaps -28 * SIZE(X), %xmm5 movaps -24 * SIZE(X), %xmm6 movaps -20 * 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 maxps %xmm4, %xmm0 movaps -16 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxps %xmm5, %xmm1 movaps -12 * SIZE(X), %xmm5 #ifdef USE_ABS andps %xmm3, %xmm6 #endif maxps %xmm6, %xmm0 movaps -8 * SIZE(X), %xmm6 #ifdef USE_ABS andps %xmm3, %xmm7 #endif maxps %xmm7, %xmm1 movaps -4 * SIZE(X), %xmm7 #if defined(PREFETCH) && !defined(FETCH128) PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X) #endif #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxps %xmm4, %xmm0 movaps 0 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxps %xmm5, %xmm1 movaps 4 * SIZE(X), %xmm5 #ifdef USE_ABS andps %xmm3, %xmm6 #endif maxps %xmm6, %xmm0 movaps 8 * SIZE(X), %xmm6 #ifdef USE_ABS andps %xmm3, %xmm7 #endif maxps %xmm7, %xmm1 movaps 12 * SIZE(X), %xmm7 subl $-32 * SIZE, X decl I jg .L11 ALIGN_4 .L12: #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxps %xmm4, %xmm0 movaps -16 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxps %xmm5, %xmm1 movaps -12 * SIZE(X), %xmm5 #ifdef USE_ABS andps %xmm3, %xmm6 #endif maxps %xmm6, %xmm0 movaps -8 * SIZE(X), %xmm6 #ifdef USE_ABS andps %xmm3, %xmm7 #endif maxps %xmm7, %xmm1 movaps -4 * SIZE(X), %xmm7 #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxps %xmm4, %xmm0 #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxps %xmm5, %xmm1 #ifdef USE_ABS andps %xmm3, %xmm6 #endif maxps %xmm6, %xmm0 #ifdef USE_ABS andps %xmm3, %xmm7 #endif maxps %xmm7, %xmm1 subl $-32 * SIZE, X ALIGN_3 .L15: testl $16, M je .L16 movaps -32 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxps %xmm4, %xmm0 movaps -28 * SIZE(X), %xmm5 #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxps %xmm5, %xmm1 movaps -24 * SIZE(X), %xmm6 #ifdef USE_ABS andps %xmm3, %xmm6 #endif maxps %xmm6, %xmm0 movaps -20 * SIZE(X), %xmm7 #ifdef USE_ABS andps %xmm3, %xmm7 #endif maxps %xmm7, %xmm1 addl $16 * SIZE, X ALIGN_3 .L16: testl $8, M je .L17 movaps -32 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxps %xmm4, %xmm0 movaps -28 * SIZE(X), %xmm5 #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxps %xmm5, %xmm1 addl $8 * SIZE, X ALIGN_3 .L17: testl $4, M je .L18 movaps -32 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxps %xmm4, %xmm0 addl $4 * SIZE, X ALIGN_3 .L18: testl $2, M je .L19 movsd -32 * SIZE(X), %xmm4 unpcklps %xmm4, %xmm4 #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxps %xmm4, %xmm1 addl $2 * SIZE, X ALIGN_3 .L19: testl $1, M je .L998 movss -32 * SIZE(X), %xmm4 #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxss %xmm4, %xmm0 jmp .L998 ALIGN_3 .L40: movl M, I sarl $3, I jle .L45 ALIGN_4 .L41: movss (X), %xmm4 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxss %xmm4, %xmm0 movss (X), %xmm5 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxss %xmm5, %xmm1 movss (X), %xmm6 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm6 #endif maxss %xmm6, %xmm0 movss (X), %xmm7 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm7 #endif maxss %xmm7, %xmm1 movss (X), %xmm4 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxss %xmm4, %xmm0 movss (X), %xmm5 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxss %xmm5, %xmm1 movss (X), %xmm6 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm6 #endif maxss %xmm6, %xmm0 movss (X), %xmm7 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm7 #endif maxss %xmm7, %xmm1 decl I jg .L41 ALIGN_4 .L45: testl $4, M je .L46 movss (X), %xmm4 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxss %xmm4, %xmm0 movss (X), %xmm5 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxss %xmm5, %xmm1 movss (X), %xmm6 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm6 #endif maxss %xmm6, %xmm0 movss (X), %xmm7 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm7 #endif maxss %xmm7, %xmm1 ALIGN_3 .L46: testl $2, M je .L47 movss (X), %xmm4 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxss %xmm4, %xmm0 movss (X), %xmm5 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm5 #endif maxss %xmm5, %xmm1 ALIGN_3 .L47: testl $1, M je .L998 movss (X), %xmm4 addl INCX, X #ifdef USE_ABS andps %xmm3, %xmm4 #endif maxss %xmm4, %xmm0 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: subl $8, %esp movss %xmm0, (%esp) flds (%esp) addl $8, %esp popl %ebx popl %esi popl %edi popl %ebp ret EPILOGUE