/*********************************************************************/ /* 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 RET %eax #define M %ebx #define X %ecx #define INCX %edx #define I %esi #define MM %ebp #define XX %edi #define TEMP %ebx #ifdef USE_MIN #define maxps minps #define maxss minss #endif #ifndef HAVE_SSE2 #define pxor xorps #define movsd movlps #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 pxor %xmm0, %xmm0 /* Return Value(Float) */ #ifdef USE_ABS pxor %xmm7, %xmm7 /* Generate USE_ABS */ #endif xor RET, RET /* Return Value(Int) */ testl M, M jle .L999 leal (, INCX, SIZE), INCX testl INCX, INCX jle .L999 movl M, MM movl X, XX #ifdef USE_ABS #ifndef HAVE_SSE2 subl $8, %esp movl $0x7fffffff, (%esp) movss (%esp), %xmm7 shufps $0, %xmm7, %xmm7 addl $8, %esp #else cmpeqps %xmm7, %xmm7 psrld $1, %xmm7 /* Generate USE_ABS */ #endif #endif movss (XX), %xmm0 addl INCX, XX decl MM shufps $0, %xmm0, %xmm0 #ifdef USE_ABS andps %xmm7, %xmm0 #endif movaps %xmm0, %xmm1 movaps %xmm0, %xmm2 movaps %xmm0, %xmm3 /* Generating "seed value" */ cmpl $SIZE, INCX jne .L80 /* Incx != 1 goto L80 */ /* Analigned Check */ testl $3, XX /* 00000011 */ jne .L30 /* Purely Unaligned Mode */ cmpl $8, MM jle .L30 /* if M <= 8 goto Unaligned mode */ testl $4, XX /* bit test 000100 */ je .L05 movss 0 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm0 decl MM addl $SIZE, XX ALIGN_3 .L05: testl $8, XX je .L06 movsd 0 * SIZE(XX), %xmm4 unpcklps %xmm4, %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxps %xmm4, %xmm1 subl $2, MM addl $2 * SIZE, XX ALIGN_3 .L06: movl MM, I sarl $4, I jle .L15 ALIGN_4 .L11: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX) #endif movaps 0 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxps %xmm4, %xmm0 movaps 4 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxps %xmm4, %xmm1 movaps 8 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxps %xmm4, %xmm2 movaps 12 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxps %xmm4, %xmm3 addl $16 * SIZE, XX decl I jg .L11 ALIGN_4 .L15: andl $15, MM jle .L20 testl $8, MM je .L16 movaps 0 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxps %xmm4, %xmm0 movaps 4 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxps %xmm4, %xmm1 addl $8 * SIZE, XX ALIGN_3 .L16: testl $4, MM je .L17 movaps 0 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxps %xmm4, %xmm2 addl $4 * SIZE, XX ALIGN_3 .L17: testl $2, MM je .L18 movsd 0 * SIZE(XX), %xmm4 unpcklps %xmm4, %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxps %xmm4, %xmm3 addl $2 * SIZE, XX .L18: testl $1, MM je .L20 movss 0 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm0 ALIGN_3 .L20: movl X, XX movl M, MM 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 shufps $0, %xmm0, %xmm0 testl $4, XX je .L21 movss 0 * SIZE(XX), %xmm1 decl MM addl $SIZE, XX #ifdef USE_ABS andps %xmm7, %xmm1 #endif incl RET comiss %xmm0, %xmm1 je .L999 ALIGN_3 .L21: testl $8, XX je .L22 movss 0 * SIZE(XX), %xmm1 movss 1 * SIZE(XX), %xmm2 subl $2, MM addl $2 * SIZE, XX #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm2 #endif incl RET comiss %xmm0, %xmm1 je .L999 incl RET comiss %xmm0, %xmm2 je .L999 ALIGN_3 .L22: movl MM, I sarl $3, I jle .L25 ALIGN_4 .L23: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX) #endif movaps 0 * SIZE(XX), %xmm1 #ifdef USE_ABS andps %xmm7, %xmm1 #endif cmpeqps %xmm0, %xmm1 movaps 4 * SIZE(XX), %xmm2 #ifdef USE_ABS andps %xmm7, %xmm2 #endif cmpeqps %xmm0, %xmm2 orps %xmm2, %xmm1 movmskps %xmm1, TEMP testl $15, TEMP jne .L24 addl $8 * SIZE, XX addl $8, RET decl I jg .L23 jmp .L25 ALIGN_3 .L24: movss 0 * SIZE(XX), %xmm1 movss 1 * SIZE(XX), %xmm2 movss 2 * SIZE(XX), %xmm3 movss 3 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm2 andps %xmm7, %xmm3 andps %xmm7, %xmm4 #endif incl RET comiss %xmm0, %xmm1 je .L999 incl RET comiss %xmm0, %xmm2 je .L999 incl RET comiss %xmm0, %xmm3 je .L999 incl RET comiss %xmm0, %xmm4 je .L999 movss 4 * SIZE(XX), %xmm1 movss 5 * SIZE(XX), %xmm2 movss 6 * SIZE(XX), %xmm3 #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm2 andps %xmm7, %xmm3 #endif incl RET comiss %xmm0, %xmm1 je .L999 incl RET comiss %xmm0, %xmm2 je .L999 incl RET comiss %xmm0, %xmm3 je .L999 incl RET jmp .L999 ALIGN_4 .L25: testl $4, MM je .L26 movss 0 * SIZE(XX), %xmm1 movss 1 * SIZE(XX), %xmm2 movss 2 * SIZE(XX), %xmm3 movss 3 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm2 andps %xmm7, %xmm3 andps %xmm7, %xmm4 #endif addl $4 * SIZE, XX incl RET comiss %xmm0, %xmm1 je .L999 incl RET comiss %xmm0, %xmm2 je .L999 incl RET comiss %xmm0, %xmm3 je .L999 incl RET comiss %xmm0, %xmm4 je .L999 ALIGN_3 .L26: testl $2, MM je .L27 movss 0 * SIZE(XX), %xmm1 movss 1 * SIZE(XX), %xmm2 #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm2 #endif addl $2 * SIZE, XX incl RET comiss %xmm0, %xmm1 je .L999 incl RET comiss %xmm0, %xmm2 je .L999 ALIGN_3 .L27: incl RET jmp .L999 ALIGN_3 /* Unaligned Mode */ .L30: movl MM, I sarl $4, I jle .L35 ALIGN_4 .L31: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX) #endif movsd 0 * SIZE(XX), %xmm4 movhps 2 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxps %xmm4, %xmm0 movsd 4 * SIZE(XX), %xmm4 movhps 6 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxps %xmm4, %xmm1 movsd 8 * SIZE(XX), %xmm4 movhps 10 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxps %xmm4, %xmm2 movsd 12 * SIZE(XX), %xmm4 movhps 14 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxps %xmm4, %xmm3 addl $16 * SIZE, XX decl I jg .L31 ALIGN_4 .L35: andl $15, MM jle .L40 testl $8, MM je .L36 movsd 0 * SIZE(XX), %xmm4 movhps 2 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxps %xmm4, %xmm0 movsd 4 * SIZE(XX), %xmm4 movhps 6 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxps %xmm4, %xmm1 addl $8 * SIZE, XX ALIGN_3 .L36: testl $4, MM je .L37 movsd 0 * SIZE(XX), %xmm4 movhps 2 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxps %xmm4, %xmm2 addl $4 * SIZE, XX ALIGN_3 .L37: testl $2, MM je .L38 movsd 0 * SIZE(XX), %xmm4 unpcklps %xmm4, %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxps %xmm4, %xmm3 addl $2 * SIZE, XX .L38: testl $1, MM je .L40 movss 0 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm0 jmp .L40 ALIGN_4 .L40: movl X, XX movl M, MM 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 shufps $0, %xmm0, %xmm0 movl MM, I sarl $3, I jle .L45 ALIGN_4 .L43: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX) #endif movsd 0 * SIZE(XX), %xmm1 movhps 2 * SIZE(XX), %xmm1 #ifdef USE_ABS andps %xmm7, %xmm1 #endif cmpeqps %xmm0, %xmm1 movsd 4 * SIZE(XX), %xmm2 movhps 6 * SIZE(XX), %xmm2 #ifdef USE_ABS andps %xmm7, %xmm2 #endif cmpeqps %xmm0, %xmm2 orps %xmm2, %xmm1 movmskps %xmm1, TEMP testl $15, TEMP jne .L44 addl $8 * SIZE, XX addl $8, RET decl I jg .L43 jmp .L45 ALIGN_3 .L44: movss 0 * SIZE(XX), %xmm1 movss 1 * SIZE(XX), %xmm2 movss 2 * SIZE(XX), %xmm3 movss 3 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm2 andps %xmm7, %xmm3 andps %xmm7, %xmm4 #endif incl RET comiss %xmm0, %xmm1 je .L999 incl RET comiss %xmm0, %xmm2 je .L999 incl RET comiss %xmm0, %xmm3 je .L999 incl RET comiss %xmm0, %xmm4 je .L999 movss 4 * SIZE(XX), %xmm1 movss 5 * SIZE(XX), %xmm2 movss 6 * SIZE(XX), %xmm3 #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm2 andps %xmm7, %xmm3 #endif incl RET comiss %xmm0, %xmm1 je .L999 incl RET comiss %xmm0, %xmm2 je .L999 incl RET comiss %xmm0, %xmm3 je .L999 incl RET jmp .L999 ALIGN_4 .L45: testl $4, MM je .L46 movss 0 * SIZE(XX), %xmm1 movss 1 * SIZE(XX), %xmm2 movss 2 * SIZE(XX), %xmm3 movss 3 * SIZE(XX), %xmm4 #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm2 andps %xmm7, %xmm3 andps %xmm7, %xmm4 #endif addl $4 * SIZE, XX incl RET comiss %xmm0, %xmm1 je .L999 incl RET comiss %xmm0, %xmm2 je .L999 incl RET comiss %xmm0, %xmm3 je .L999 incl RET comiss %xmm0, %xmm4 je .L999 ALIGN_3 .L46: testl $2, MM je .L47 movss 0 * SIZE(XX), %xmm1 movss 1 * SIZE(XX), %xmm2 #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm2 #endif addl $2 * SIZE, XX incl RET comiss %xmm0, %xmm1 je .L999 incl RET comiss %xmm0, %xmm2 je .L999 ALIGN_3 .L47: incl RET jmp .L999 ALIGN_3 .L80: movl MM, I sarl $3, I jle .L85 ALIGN_4 .L81: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX) #endif movss 0 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm0 movss 0 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm1 movss 0 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm2 movss 0 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm3 movss 0 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm0 movss 0 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm1 movss 0 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm2 movss 0 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm3 decl I jg .L81 ALIGN_4 .L85: andl $7, MM jle .L90 testl $4, MM je .L86 movss 0 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm0 movss 0 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm1 movss 0 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm2 movss 0 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm3 ALIGN_3 .L86: testl $2, MM je .L87 movss 0 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm0 movss 0 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm1 ALIGN_3 .L87: testl $1, MM je .L90 movss 0 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm4 #endif maxss %xmm4, %xmm2 ALIGN_4 .L90: movl X, XX movl M, MM maxss %xmm1, %xmm0 maxss %xmm3, %xmm2 maxss %xmm2, %xmm0 shufps $0, %xmm0, %xmm0 movl MM, I sarl $2, I jle .L96 ALIGN_4 .L92: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(XX) #endif movss 0 * SIZE(XX), %xmm1 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm1 #endif cmpeqss %xmm0, %xmm1 movss 0 * SIZE(XX), %xmm2 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm2 #endif cmpeqss %xmm0, %xmm2 movss 0 * SIZE(XX), %xmm3 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm3 #endif cmpeqss %xmm0, %xmm3 movss 0 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm4 #endif cmpeqss %xmm0, %xmm4 orps %xmm2, %xmm1 orps %xmm4, %xmm3 orps %xmm3, %xmm1 movmskps %xmm1, TEMP testl $15, TEMP jne .L93 addl $4, RET decl I jg .L92 jmp .L96 ALIGN_3 .L93: leal (, INCX, 4), TEMP subl TEMP, XX movss 0 * SIZE(XX), %xmm1 addl INCX, XX movss 0 * SIZE(XX), %xmm2 addl INCX, XX movss 0 * SIZE(XX), %xmm3 addl INCX, XX movss 0 * SIZE(XX), %xmm4 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm2 andps %xmm7, %xmm3 andps %xmm7, %xmm4 #endif incl RET comiss %xmm0, %xmm1 je .L999 incl RET comiss %xmm0, %xmm2 je .L999 incl RET comiss %xmm0, %xmm3 je .L999 incl RET comiss %xmm0, %xmm4 je .L999 ALIGN_3 .L96: testl $2, MM je .L97 movss 0 * SIZE(XX), %xmm1 addl INCX, XX movss 0 * SIZE(XX), %xmm2 addl INCX, XX #ifdef USE_ABS andps %xmm7, %xmm1 andps %xmm7, %xmm2 #endif incl RET comiss %xmm0, %xmm1 je .L999 incl RET comiss %xmm0, %xmm2 je .L999 ALIGN_3 .L97: incl RET ALIGN_3 .L999: popl %ebx popl %esi popl %edi popl %ebp ret EPILOGUE