/*************************************************************************** Copyright (c) 2023, The OpenBLAS Project 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. 3. Neither the name of the OpenBLAS project nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 OPENBLAS PROJECT 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. *****************************************************************************/ #define ASSEMBLER #include "common.h" #define N $r4 #define X $r5 #define INCX $r6 #define Y $r7 #define INCY $r8 #define I $r17 #define TEMP $r18 /* Don't change following FR unless you know the effects. */ #define s1 $f8 #define s2 $f9 #define a1 $f10 #define b1 $f11 PROLOGUE #ifdef F_INTERFACE LDINT N, 0(N) LDINT INCX, 0(INCX) LDINT INCY, 0(INCY) #endif /* init $f8 and $f9 to zero */ vxor.v $vr8, $vr8, $vr8 vxor.v $vr9, $vr9, $vr9 slli.d INCX, INCX, BASE_SHIFT li.d TEMP, SIZE slli.d INCY, INCY, BASE_SHIFT bge $r0, N, .L999 bne INCX, TEMP, .L20 /* inc_x=1 */ bne INCY, TEMP, .L20 /* inc_y=1 */ /* !((inc_x == 1) && (inc_y == 1)) */ #ifdef DOUBLE srai.d I, N, 3 #else srai.d I, N, 4 #endif bge $r0, I, .L12 /* FLOAT: <16 ; DOUBLE: <8 */ .align 3 .L11: /* FLOAT: 16~ ; DOUBLE: 8~ */ vld $vr0, X, 0 vld $vr1, X, 16 vld $vr2, X, 32 vld $vr3, X, 48 vld $vr4, Y, 0 vld $vr5, Y, 16 vld $vr6, Y, 32 vld $vr7, Y, 48 addi.w I, I, -1 addi.d X, X, 64 addi.d Y, Y, 64 #ifndef DOUBLE vfcvtl.d.s $vr10, $vr0 vfcvtl.d.s $vr11, $vr4 vfcvth.d.s $vr12, $vr0 vfcvth.d.s $vr13, $vr4 vfmadd.d $vr8, $vr10, $vr11, $vr8 vfmadd.d $vr9, $vr12, $vr13, $vr9 vfcvtl.d.s $vr10, $vr1 vfcvtl.d.s $vr11, $vr5 vfcvth.d.s $vr12, $vr1 vfcvth.d.s $vr13, $vr5 vfmadd.d $vr8, $vr10, $vr11, $vr8 vfmadd.d $vr9, $vr12, $vr13, $vr9 vfcvtl.d.s $vr10, $vr2 vfcvtl.d.s $vr11, $vr6 vfcvth.d.s $vr12, $vr2 vfcvth.d.s $vr13, $vr6 vfmadd.d $vr8, $vr10, $vr11, $vr8 vfmadd.d $vr9, $vr12, $vr13, $vr9 vfcvtl.d.s $vr10, $vr3 vfcvtl.d.s $vr11, $vr7 vfcvth.d.s $vr12, $vr3 vfcvth.d.s $vr13, $vr7 vfmadd.d $vr8, $vr10, $vr11, $vr8 vfmadd.d $vr9, $vr12, $vr13, $vr9 #else VFMADD $vr8, $vr0, $vr4, $vr8 VFMADD $vr9, $vr1, $vr5, $vr9 VFMADD $vr8, $vr2, $vr6, $vr8 VFMADD $vr9, $vr3, $vr7, $vr9 #endif bnez I, .L11 .align 3 .L12: #ifdef DOUBLE andi I, N, 0x7 srai.d I, I, 1 #else andi I, N, 0xf srai.d I, I, 2 #endif bge $r0, I, .L14 /* DOUBLE: <2 ; FLOAT: <4 */ .align 3 .L13: /* FLOAT: 4~15 ; DOUBLE: 2~7 */ vld $vr0, X, 0 vld $vr4, Y, 0 addi.w I, I, -1 addi.d X, X, 16 addi.d Y, Y, 16 #ifndef DOUBLE vfcvtl.d.s $vr10, $vr0 vfcvtl.d.s $vr11, $vr4 vfcvth.d.s $vr12, $vr0 vfcvth.d.s $vr13, $vr4 vfmadd.d $vr8, $vr10, $vr11, $vr8 vfmadd.d $vr9, $vr12, $vr13, $vr9 #else VFMADD $vr8, $vr0, $vr4, $vr8 #endif bnez I, .L13 .align 3 .L14: /* store dot in s1 $f8 */ vfadd.d $vr8, $vr8, $vr9 fsub.d s2, s2, s2 /* set s2 to 0.0 */ vpackod.d $vr0, $vr8, $vr8 vfadd.d $vr8, $vr8, $vr0 .align 3 .L15: #ifdef DOUBLE andi I, N, 0x1 #else andi I, N, 0x3 #endif bge $r0, I, .L999 /* =0 */ .align 3 .L16: /* DOUBLE: 1 ; FLOAT: 1~3 */ LD a1, X, 0 LD b1, Y, 0 #ifndef DOUBLE fcvt.d.s a1, a1 fcvt.d.s b1, b1 fmadd.d s1, b1, a1, s1 #else MADD s1, b1, a1, s1 #endif addi.d I, I, -1 addi.d X, X, SIZE addi.d Y, Y, SIZE bnez I, .L16 b .L999 .align 3 .L20: /* !((inc_x == 1) && (inc_y == 1)) */ srai.d I, N, 3 #ifdef F_INTERFACE bgez INCX, .L21 addi.d TEMP, N, -1 mult TEMP, INCX mflo TEMP dsub X, X, TEMP .align 3 .L21: bgez INCY, .L22 addi.d TEMP, N, -1 mult TEMP, INCY mflo TEMP dsub Y, Y, TEMP .align 3 .L22: #endif bge $r0, I, .L25 /* <8 */ .align 3 .L23: LD a1, X, 0 * SIZE add.d X, X, INCX LD b1, Y, 0 * SIZE add.d Y, Y, INCY #ifndef DOUBLE fcvt.d.s a1, a1 fcvt.d.s b1, b1 fmadd.d s1, b1, a1, s1 #else MADD s1, b1, a1, s1 #endif LD a1, X, 0 * SIZE add.d X, X, INCX LD b1, Y, 0 * SIZE add.d Y, Y, INCY #ifndef DOUBLE fcvt.d.s a1, a1 fcvt.d.s b1, b1 fmadd.d s2, b1, a1, s2 #else MADD s2, b1, a1, s2 #endif LD a1, X, 0 * SIZE add.d X, X, INCX LD b1, Y, 0 * SIZE add.d Y, Y, INCY #ifndef DOUBLE fcvt.d.s a1, a1 fcvt.d.s b1, b1 fmadd.d s1, b1, a1, s1 #else MADD s1, b1, a1, s1 #endif LD a1, X, 0 * SIZE add.d X, X, INCX LD b1, Y, 0 * SIZE add.d Y, Y, INCY #ifndef DOUBLE fcvt.d.s a1, a1 fcvt.d.s b1, b1 fmadd.d s2, b1, a1, s2 #else MADD s2, b1, a1, s2 #endif LD a1, X, 0 * SIZE add.d X, X, INCX LD b1, Y, 0 * SIZE add.d Y, Y, INCY #ifndef DOUBLE fcvt.d.s a1, a1 fcvt.d.s b1, b1 fmadd.d s1, b1, a1, s1 #else MADD s1, b1, a1, s1 #endif LD a1, X, 0 * SIZE add.d X, X, INCX LD b1, Y, 0 * SIZE add.d Y, Y, INCY #ifndef DOUBLE fcvt.d.s a1, a1 fcvt.d.s b1, b1 fmadd.d s2, b1, a1, s2 #else MADD s2, b1, a1, s2 #endif LD a1, X, 0 * SIZE add.d X, X, INCX LD b1, Y, 0 * SIZE add.d Y, Y, INCY #ifndef DOUBLE fcvt.d.s a1, a1 fcvt.d.s b1, b1 fmadd.d s1, b1, a1, s1 #else MADD s1, b1, a1, s1 #endif LD a1, X, 0 * SIZE add.d X, X, INCX LD b1, Y, 0 * SIZE add.d Y, Y, INCY addi.d I, I, -1 #ifndef DOUBLE fcvt.d.s a1, a1 fcvt.d.s b1, b1 fmadd.d s2, b1, a1, s2 #else MADD s2, b1, a1, s2 #endif blt $r0, I, .L23 .align 3 .L25: andi I, N, 7 bge $r0, I, .L999 .align 3 .L26: LD a1, X, 0 * SIZE add.d X, X, INCX LD b1, Y, 0 * SIZE add.d Y, Y, INCY addi.d I, I, -1 #ifndef DOUBLE fcvt.d.s a1, a1 fcvt.d.s b1, b1 fmadd.d s1, b1, a1, s1 #else MADD s1, b1, a1, s1 #endif blt $r0, I, .L26 .align 3 .L999: fadd.d $f0, s1, s2 move $r4, $r17 #if defined(DOUBLE) #elif defined(DSDOT) #else fcvt.s.d $f0, $f0 #endif jirl $r0, $r1, 0x0 EPILOGUE