/*********************************************************************/ /* 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 N $4 #define X $5 #define INCX $6 #define I $2 #define TEMP $3 #define a1 $f6 #define a2 $f7 #define a3 $f8 #define a4 $f9 #define a5 $f10 #define a6 $f11 #define a7 $f12 #define a8 $f13 #define s1 $f0 #define s2 $f1 #define t1 $f2 #define t2 $f3 #define t3 $f4 #define t4 $f5 PROLOGUE #ifdef F_INTERFACE LDINT N, 0(N) LDINT INCX, 0(INCX) #endif dmtc1 $0, s1 li TEMP, SIZE blez N, .L999 mov.d s2, s1 blez INCX, .L999 dsll INCX, INCX, BASE_SHIFT bne INCX, TEMP, .L20 dsra I, N, 3 blez I, .L15 NOP LD a1, 0 * SIZE(X) LD a2, 1 * SIZE(X) LD a3, 2 * SIZE(X) LD a4, 3 * SIZE(X) LD a5, 4 * SIZE(X) daddiu I, I, -1 cvt.d.s t1, a1 LD a6, 5 * SIZE(X) cvt.d.s t2, a2 LD a7, 6 * SIZE(X) cvt.d.s t3, a3 LD a8, 7 * SIZE(X) blez I, .L13 cvt.d.s t4, a4 .align 3 .L12: madd.d s1, s1, t1, t1 LD a1, 8 * SIZE(X) cvt.d.s t1, a5 NOP madd.d s2, s2, t2, t2 LD a2, 9 * SIZE(X) cvt.d.s t2, a6 NOP madd.d s1, s1, t3, t3 LD a3, 10 * SIZE(X) cvt.d.s t3, a7 NOP madd.d s2, s2, t4, t4 LD a4, 11 * SIZE(X) cvt.d.s t4, a8 NOP madd.d s1, s1, t1, t1 LD a5, 12 * SIZE(X) cvt.d.s t1, a1 NOP madd.d s2, s2, t2, t2 LD a6, 13 * SIZE(X) cvt.d.s t2, a2 daddiu I, I, -1 madd.d s1, s1, t3, t3 LD a7, 14 * SIZE(X) cvt.d.s t3, a3 daddiu X, X, 8 * SIZE madd.d s2, s2, t4, t4 LD a8, 7 * SIZE(X) bgtz I, .L12 cvt.d.s t4, a4 .align 3 .L13: madd.d s1, s1, t1, t1 cvt.d.s t1, a5 madd.d s2, s2, t2, t2 cvt.d.s t2, a6 madd.d s1, s1, t3, t3 cvt.d.s t3, a7 madd.d s2, s2, t4, t4 cvt.d.s t4, a8 madd.d s1, s1, t1, t1 madd.d s2, s2, t2, t2 madd.d s1, s1, t3, t3 madd.d s2, s2, t4, t4 daddiu X, X, 8 * SIZE .align 3 .L15: andi I, N, 7 blez I, .L999 NOP .align 3 .L16: LD a1, 0 * SIZE(X) daddiu I, I, -1 cvt.d.s t1, a1 madd.d s1, s1, t1, t1 bgtz I, .L16 daddiu X, X, SIZE j .L999 NOP .align 3 .L20: blez I, .L25 NOP LD a1, 0 * SIZE(X) daddu X, X, INCX LD a2, 0 * SIZE(X) daddu X, X, INCX LD a3, 0 * SIZE(X) daddu X, X, INCX LD a4, 0 * SIZE(X) daddu X, X, INCX LD a5, 0 * SIZE(X) daddu X, X, INCX LD a6, 0 * SIZE(X) daddu X, X, INCX LD a7, 0 * SIZE(X) daddu X, X, INCX LD a8, 0 * SIZE(X) daddiu I, I, -1 cvt.d.s t1, a1 cvt.d.s t2, a2 cvt.d.s t3, a3 cvt.d.s t4, a4 blez I, .L24 daddu X, X, INCX .align 3 .L23: madd.d s1, s1, t1, t1 LD a1, 0 * SIZE(X) cvt.d.s t1, a5 daddu X, X, INCX madd.d s2, s2, t2, t2 LD a2, 0 * SIZE(X) cvt.d.s t2, a6 daddu X, X, INCX madd.d s1, s1, t3, t3 LD a3, 0 * SIZE(X) cvt.d.s t3, a7 daddu X, X, INCX madd.d s2, s2, t4, t4 LD a4, 0 * SIZE(X) cvt.d.s t4, a8 daddu X, X, INCX madd.d s1, s1, t1, t1 LD a5, 0 * SIZE(X) cvt.d.s t1, a1 daddu X, X, INCX madd.d s2, s2, t2, t2 LD a6, 0 * SIZE(X) cvt.d.s t2, a2 daddu X, X, INCX madd.d s1, s1, t3, t3 LD a7, 0 * SIZE(X) cvt.d.s t3, a3 daddu X, X, INCX madd.d s2, s2, t4, t4 LD a8, 0 * SIZE(X) cvt.d.s t4, a4 daddiu I, I, -1 bgtz I, .L23 daddu X, X, INCX .align 3 .L24: madd.d s1, s1, t1, t1 cvt.d.s t1, a5 madd.d s2, s2, t2, t2 cvt.d.s t2, a6 madd.d s1, s1, t3, t3 cvt.d.s t3, a7 madd.d s2, s2, t4, t4 cvt.d.s t4, a8 madd.d s1, s1, t1, t1 madd.d s2, s2, t2, t2 madd.d s1, s1, t3, t3 madd.d s2, s2, t4, t4 .align 3 .L25: andi I, N, 7 blez I, .L999 NOP .align 3 .L26: LD a1, 0 * SIZE(X) daddiu I, I, -1 cvt.d.s t1, a1 daddu X, X, INCX bgtz I, .L26 madd.d s1, s1, t1, t1 .align 3 .L999: add.d s1, s1, s2 sqrt.d s1, s1 j $31 cvt.s.d s1, s1 EPILOGUE