📄 zgemv_t.s
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/*********************************************************************//* *//* Optimized BLAS libraries *//* By Kazushige Goto <kgoto@tacc.utexas.edu> *//* *//* Copyright (c) The University of Texas, 2005. All rights reserved. *//* UNIVERSITY EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES CONCERNING *//* THIS SOFTWARE AND DOCUMENTATION, INCLUDING ANY WARRANTIES OF *//* MERCHANTABILITY, FITNESS FOR ANY PARTICULAR PURPOSE, *//* NON-INFRINGEMENT AND WARRANTIES OF PERFORMANCE, AND ANY WARRANTY *//* THAT MIGHT OTHERWISE ARISE FROM COURSE OF DEALING OR USAGE OF *//* TRADE. NO WARRANTY IS EITHER EXPRESS OR IMPLIED WITH RESPECT TO *//* THE USE OF THE SOFTWARE OR DOCUMENTATION. *//* Under no circumstances shall University be liable for incidental, *//* special, indirect, direct or consequential damages or loss of *//* profits, interruption of business, or related expenses which may *//* arise from use of Software or Documentation, including but not *//* limited to those resulting from defects in Software and/or *//* Documentation, or loss or inaccuracy of data of any kind. *//*********************************************************************/#define ASSEMBLER#include "common.h"#ifdef PENTIUM#define P 88#endif#ifndef P#define P 400#endif#define STACK 16#define ARGS 24 #define NLDA 0 + STACK(%esp)#define XP 4 + STACK(%esp)#define MIN_M 8 + STACK(%esp)#define J 12 + STACK(%esp)#define IS 16 + STACK(%esp)#define M 4 + STACK + ARGS(%esp)#define N 8 + STACK + ARGS(%esp)#define K 12 + STACK + ARGS(%esp)#ifdef DOUBLE#define ALPHA_R 16 + STACK + ARGS(%esp)#define ALPHA_I 24 + STACK + ARGS(%esp)#define A 32 + STACK + ARGS(%esp)#define LDA 36 + STACK + ARGS(%esp)#define X 40 + STACK + ARGS(%esp)#define INCX 44 + STACK + ARGS(%esp)#define Y 48 + STACK + ARGS(%esp)#define INCY 52 + STACK + ARGS(%esp)#define BUFFER 56 + STACK + ARGS(%esp)#else#define ALPHA_R 16 + STACK + ARGS(%esp)#define ALPHA_I 20 + STACK + ARGS(%esp)#define A 24 + STACK + ARGS(%esp)#define LDA 28 + STACK + ARGS(%esp)#define X 32 + STACK + ARGS(%esp)#define INCX 36 + STACK + ARGS(%esp)#define Y 40 + STACK + ARGS(%esp)#define INCY 44 + STACK + ARGS(%esp)#define BUFFER 48 + STACK + ARGS(%esp)#endif PROLOGUE subl $ARGS, %esp pushl %ebp pushl %edi pushl %esi pushl %ebx PROFCODE FLD ALPHA_I FLD ALPHA_R movl X, %edi # X movl $0, IS movl M, %ebx movl N, %ecx testl %ebx, %ebx jle .L79 testl %ecx, %ecx jle .L79 movl INCX, %esi addl %esi, %esi leal (,%esi,SIZE), %esi movl %esi, INCX movl INCY, %esi addl %esi, %esi leal (, %esi, SIZE), %esi movl %esi, INCY movl LDA, %ebx movl N, %eax imull %ebx, %eax movl $P, %esi subl %eax, %esi leal (, %esi, SIZE), %esi addl %esi, %esi movl %esi, NLDA leal (,%ebx,SIZE), %esi addl %esi, %esi movl %esi, LDA ALIGN_2.L32: movl IS, %esi movl $P, %edx movl M, %eax subl %esi, %eax cmpl %edx, %eax#ifdef PENTIUM jle .L33 movl %edx, %eax.L33:#else cmovg %edx, %eax#endif movl %eax, MIN_M movl IS, %ecx addl %ecx, %ecx leal (%edi,%ecx,SIZE), %ecx # xp = x + is movl INCX, %ebx movl %ecx, XP cmpl $2 * SIZE, %ebx je .L34 movl BUFFER, %esi movl MIN_M, %eax movl %esi, XP sarl $1, %eax jle .L35 ALIGN_3.L36: FLD 0 * SIZE(%edi) FLD 1 * SIZE(%edi) addl %ebx,%edi # x += incx FLD 0 * SIZE(%edi) FLD 1 * SIZE(%edi) addl %ebx,%edi # x += incx FST 3 * SIZE(%esi) FST 2 * SIZE(%esi) FST 1 * SIZE(%esi) FST 0 * SIZE(%esi) addl $4 * SIZE, %esi # xp += 4 decl %eax jg .L36 ALIGN_3.L35: movl MIN_M, %eax andl $1,%eax jle .L34 FLD 0 * SIZE(%edi) FLD 1 * SIZE(%edi) addl %ebx,%edi # x += incx FST 1 * SIZE(%esi) FST 0 * SIZE(%esi) ALIGN_3/* Main Routine */.L34: movl Y, %ebp # coffset = y movl N, %ecx testl %ecx, %ecx jle .L60 ALIGN_2.L61: movl A, %ebx # a_offset = a fldz # ct1 = ZERO movl LDA, %edx fldz # ct1 = ZERO addl %ebx, %edx fldz # ct1 = ZERO movl %edx, A fldz # ct1 = ZERO movl XP, %esi FLD (%esi) # bt1 = *(b_offset + 0) movl MIN_M, %eax sarl $1, %eax jle .L64 ALIGN_3#define PRESIZE 8.L65:#ifdef HAS_PREFETCH prefetcht0 PRESIZE * SIZE(%ebx) prefetcht0 PRESIZE * SIZE(%esi)#endif FLD 0 * SIZE(%ebx) # at1 = *(a_offset + 0) fmul %st(1) # at1 *= bt1 faddp %st, %st(2) # ct1 += at1 FMUL 1 * SIZE(%ebx) # bt1 *= *(a_offset + 1)#ifndef CONJ faddp %st, %st(2) # ct2 += bt1#else fsubrp %st, %st(2) # ct2 -= bt1#endif FLD 1 * SIZE(%esi) # bt1 = *(b_offset + 1) FLD 0 * SIZE(%ebx) # at1 = *(a_offset + 0) fmul %st(1) # at1 *= bt1 faddp %st, %st(4) # ct3 += at1 FMUL 1 * SIZE(%ebx) # bt1 *= *(a_offset + 1) faddp %st, %st(4) # ct4 += bt1 FLD 2 * SIZE(%esi) # bt1 = *(b_offset + 1) FLD 2 * SIZE(%ebx) # at1 = *(a_offset + 0) fmul %st(1) # at1 *= bt1 faddp %st, %st(2) # ct1 += at1 FMUL 3 * SIZE(%ebx) # bt1 *= *(a_offset + 1)#ifndef CONJ faddp %st, %st(2) # ct2 += bt1#else fsubrp %st, %st(2) # ct2 -= bt1#endif FLD 3 * SIZE(%esi) # bt1 = *(b_offset + 1) FLD 2 * SIZE(%ebx) # at1 = *(a_offset + 0) fmul %st(1) # at1 *= bt1 faddp %st, %st(4) # ct3 += at1 FMUL 3 * SIZE(%ebx) # bt1 *= *(a_offset + 1) faddp %st, %st(4) # ct4 += bt1 FLD 4 * SIZE(%esi) # bt1 = *(b_offset + 1) addl $4 * SIZE, %esi addl $4 * SIZE, %ebx decl %eax jg .L65 ALIGN_3.L64: movl MIN_M, %eax andl $1, %eax jle .L70 ALIGN_3.L71: FLD 0 * SIZE(%ebx) # at1 = *(a_offset + 0) fmul %st(1) # at1 *= bt1 faddp %st, %st(2) # ct1 += at1 FMUL 1 * SIZE(%ebx) # bt1 *= *(a_offset + 1)#ifndef CONJ faddp %st, %st(2) # ct2 += bt1#else fsubrp %st, %st(2) # ct2 -= bt1#endif FLD 1 * SIZE(%esi) # bt1 = *(b_offset + 1) FLD 0 * SIZE(%ebx) # at1 = *(a_offset + 0) fmul %st(1) # at1 *= bt1 faddp %st, %st(4) # ct3 += at1 FMUL 1 * SIZE(%ebx) # bt1 *= *(a_offset + 1) faddp %st, %st(4) # ct4 += bt1 fldz ALIGN_3.L70: ffreep %st(0)#ifndef XCONJ#ifndef CONJ fsubp %st, %st(3) faddp %st, %st(1)#else faddp %st, %st(3) faddp %st, %st(1)#endif#else#ifndef CONJ faddp %st, %st(3) fsubp %st, %st(1)#else fsubp %st, %st(3) fsubp %st, %st(1)#endif#endif fld %st(0) # ct4 = ct2 fmul %st(4) fld %st(2) fmul %st(4) fsubp %st, %st(1) FADD 0 * SIZE(%ebp) FST 0 * SIZE(%ebp) fmul %st(2) fxch %st(1) fmul %st(3) faddp %st, %st(1) FADD 1 * SIZE(%ebp) FST 1 * SIZE(%ebp) addl INCY, %ebp decl %ecx jg .L61 ALIGN_3.L60: movl A, %ebx addl NLDA, %ebx movl %ebx, A addl $P, IS movl M, %esi cmpl %esi, IS jl .L32 ALIGN_3.L79: ffreep %st(0) ffreep %st(0) popl %ebx popl %esi popl %edi popl %ebp addl $ARGS, %esp ret EPILOGUE
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