/*************************************************************************** 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 XX $r5 #define YY $r6 #define ALPHAR $f0 #define ALPHAI $f1 #define X $r7 #define INCX $r8 #define Y $r9 #define INCY $r10 #define I $r12 #define TEMP $r13 #define t1 $r14 #define t2 $r16 #define t3 $r15 #define t4 $r17 #define a1 $f12 #define a2 $f13 #define a3 $f14 #define a4 $f15 #define s1 $f16 #define s2 $f17 #define s3 $f18 #define s4 $f19 #define VX0 $vr8 #define VX1 $vr20 #define VX2 $vr21 #define VX3 $vr22 #define VXAR $vr23 #define VXAI $vr19 #define x1 $vr18 #define x2 $vr17 #define x3 $vr16 #define x4 $vr15 PROLOGUE bge $r0, N, .L999 li.d TEMP, 1 movgr2fr.d a1, $r0 FFINT a1, a1 CMPEQ $fcc0, ALPHAR, a1 CMPEQ $fcc1, ALPHAI, a1 bceqz $fcc0, .L10 bcnez $fcc1, .L999 .L10: slli.d TEMP, TEMP, ZBASE_SHIFT slli.d INCX, INCX, ZBASE_SHIFT slli.d INCY, INCY, ZBASE_SHIFT MTG t1, ALPHAR MTG t2, ALPHAI #ifdef DOUBLE vreplgr2vr.d VXAR, t1 vreplgr2vr.d VXAI, t2 #else vreplgr2vr.w VXAR, t1 vreplgr2vr.w VXAI, t2 #endif srai.d I, N, 2 bne INCX, TEMP, .L20 bne INCY, TEMP, .L12 // INCX==1 and INCY!=1 b .L11 // INCX==1 and INCY==1 .L20: bne INCY, TEMP, .L22 // INCX!=1 and INCY!=1 b .L21 // INCX!=1 and INCY==1 .L11: bge $r0, I, .L997 .align 3 .L111: #ifdef DOUBLE vld VX0, X, 0 * SIZE vld VX2, Y, 0 * SIZE vld VX1, X, 2 * SIZE vld VX3, Y, 2 * SIZE vpickev.d x1, VX1, VX0 vpickod.d x2, VX1, VX0 vpickev.d x3, VX3, VX2 vpickod.d x4, VX3, VX2 #else vld VX0, X, 0 * SIZE vld VX2, Y, 0 * SIZE vld VX1, X, 4 * SIZE vld VX3, Y, 4 * SIZE vpickev.w x1, VX1, VX0 vpickod.w x2, VX1, VX0 vpickev.w x3, VX3, VX2 vpickod.w x4, VX3, VX2 #endif #if !defined(CONJ) #ifdef DOUBLE vfmul.d VX0, VXAI, x2 vfmul.d VX2, VXAI, x1 vfmsub.d VX1, VXAR, x1, VX0 vfmadd.d VX3, x2, VXAR, VX2 vfadd.d x3, x3, VX1 vfadd.d x4, x4, VX3 #else vfmul.s VX0, VXAI, x2 vfmul.s VX2, VXAI, x1 vfmsub.s VX1, VXAR, x1, VX0 vfmadd.s VX3, x2, VXAR, VX2 vfadd.s x3, x3, VX1 vfadd.s x4, x4, VX3 #endif #else #ifdef DOUBLE vfmul.d VX0, VXAI, x2 vfmul.d VX2, VXAI, x1 vfmadd.d VX1, VXAR, x1, VX0 vfmsub.d VX3, x2, VXAR, VX2 vfadd.d x3, x3, VX1 vfsub.d x4, x4, VX3 #else vfmul.s VX0, VXAI, x2 vfmul.s VX2, VXAI, x1 vfmadd.s VX1, VXAR, x1, VX0 vfmsub.s VX3, x2, VXAR, VX2 vfadd.s x3, x3, VX1 vfsub.s x4, x4, VX3 #endif #endif #ifdef DOUBLE vilvl.d VX2, x4 ,x3 vilvh.d VX3, x4, x3 vst VX2, Y, 0 * SIZE vst VX3, Y, 2 * SIZE vld VX0, X, 4 * SIZE vld VX2, Y, 4 * SIZE vld VX1, X, 6 * SIZE vld VX3, Y, 6 * SIZE vpickev.d x1, VX1, VX0 vpickod.d x2, VX1, VX0 vpickev.d x3, VX3, VX2 vpickod.d x4, VX3, VX2 #if !defined(CONJ) vfmul.d VX0, VXAI, x2 vfmul.d VX2, VXAI, x1 vfmsub.d VX1, VXAR, x1, VX0 vfmadd.d VX3, x2, VXAR, VX2 vfadd.d x3, x3, VX1 vfadd.d x4, x4, VX3 #else vfmul.d VX0, VXAI, x2 vfmul.d VX2, VXAI, x1 vfmadd.d VX1, VXAR, x1, VX0 vfmsub.d VX3, x2, VXAR, VX2 vfadd.d x3, x3, VX1 vfsub.d x4, x4, VX3 #endif vilvl.d VX2, x4 ,x3 vilvh.d VX3, x4, x3 vst VX2, Y, 4 * SIZE vst VX3, Y, 6 * SIZE #else vilvl.w VX2, x4 ,x3 vilvh.w VX3, x4, x3 vst VX2, Y, 0 * SIZE vst VX3, Y, 4 * SIZE #endif addi.d X, X, 8 * SIZE addi.d Y, Y, 8 * SIZE addi.d I, I, -1 blt $r0, I, .L111 b .L997 .align 3 .L12: // INCX==1 and INCY!=1 bge $r0, I, .L997 move YY, Y .align 3 .L121: #ifdef DOUBLE vld VX0, X, 0 * SIZE vld VX1, X, 2 * SIZE ld.d t1, Y, 0 * SIZE ld.d t2, Y, 1 * SIZE add.d Y, Y, INCY ld.d t3, Y, 0 * SIZE ld.d t4, Y, 1 * SIZE vinsgr2vr.d x3, t1, 0 vinsgr2vr.d x4, t2, 0 vinsgr2vr.d x3, t3, 1 vinsgr2vr.d x4, t4, 1 add.d Y, Y, INCY vpickev.d x1, VX1, VX0 vpickod.d x2, VX1, VX0 #else vld VX0, X, 0 * SIZE ld.w t1, Y, 0 * SIZE ld.w t2, Y, 1 * SIZE add.d Y, Y, INCY ld.w t3, Y, 0 * SIZE ld.w t4, Y, 1 * SIZE add.d Y, Y, INCY vinsgr2vr.w x3, t1, 0 vinsgr2vr.w x4, t2, 0 vinsgr2vr.w x3, t3, 1 vinsgr2vr.w x4, t4, 1 vld VX1, X, 4 * SIZE ld.w t1, Y, 0 * SIZE ld.w t2, Y, 1 * SIZE add.d Y, Y, INCY ld.w t3, Y, 0 * SIZE ld.w t4, Y, 1 * SIZE vinsgr2vr.w x3, t1, 2 vinsgr2vr.w x4, t2, 2 vinsgr2vr.w x3, t3, 3 vinsgr2vr.w x4, t4, 3 add.d Y, Y, INCY vpickev.w x1, VX1, VX0 vpickod.w x2, VX1, VX0 #endif #if !defined(CONJ) #ifdef DOUBLE vfmul.d VX0, VXAI, x2 vfmul.d VX2, VXAI, x1 vfmsub.d VX1, VXAR, x1, VX0 vfmadd.d VX3, x2, VXAR, VX2 vfadd.d x3, x3, VX1 vfadd.d x4, x4, VX3 #else vfmul.s VX0, VXAI, x2 vfmul.s VX2, VXAI, x1 vfmsub.s VX1, VXAR, x1, VX0 vfmadd.s VX3, x2, VXAR, VX2 vfadd.s x3, x3, VX1 vfadd.s x4, x4, VX3 #endif #else #ifdef DOUBLE vfmul.d VX0, VXAI, x2 vfmul.d VX2, VXAI, x1 vfmadd.d VX1, VXAR, x1, VX0 vfmsub.d VX3, x2, VXAR, VX2 vfadd.d x3, x3, VX1 vfsub.d x4, x4, VX3 #else vfmul.s VX0, VXAI, x2 vfmul.s VX2, VXAI, x1 vfmadd.s VX1, VXAR, x1, VX0 vfmsub.s VX3, x2, VXAR, VX2 vfadd.s x3, x3, VX1 vfsub.s x4, x4, VX3 #endif #endif #ifdef DOUBLE vstelm.d x3, YY, 0 * SIZE, 0 vstelm.d x4, YY, 1 * SIZE, 0 add.d YY, YY, INCY vstelm.d x3, YY, 0 * SIZE, 1 vstelm.d x4, YY, 1 * SIZE, 1 add.d YY, YY, INCY vld VX0, X, 4 * SIZE vld VX1, X, 6 * SIZE ld.d t1, Y, 0 * SIZE ld.d t2, Y, 1 * SIZE add.d Y, Y, INCY ld.d t3, Y, 0 * SIZE ld.d t4, Y, 1 * SIZE vinsgr2vr.d x3, t1, 0 vinsgr2vr.d x4, t2, 0 vinsgr2vr.d x3, t3, 1 vinsgr2vr.d x4, t4, 1 add.d Y, Y, INCY vpickev.d x1, VX1, VX0 vpickod.d x2, VX1, VX0 #if !defined(CONJ) vfmul.d VX0, VXAI, x2 vfmul.d VX2, VXAI, x1 vfmsub.d VX1, VXAR, x1, VX0 vfmadd.d VX3, x2, VXAR, VX2 vfadd.d x3, x3, VX1 vfadd.d x4, x4, VX3 #else vfmul.d VX0, VXAI, x2 vfmul.d VX2, VXAI, x1 vfmadd.d VX1, VXAR, x1, VX0 vfmsub.d VX3, x2, VXAR, VX2 vfadd.d x3, x3, VX1 vfsub.d x4, x4, VX3 #endif addi.d I, I, -1 vstelm.d x3, YY, 0 * SIZE, 0 vstelm.d x4, YY, 1 * SIZE, 0 add.d YY, YY, INCY vstelm.d x3, YY, 0 * SIZE, 1 vstelm.d x4, YY, 1 * SIZE, 1 #else addi.d I, I, -1 vstelm.w x3, YY, 0 * SIZE, 0 vstelm.w x4, YY, 1 * SIZE, 0 add.d YY, YY, INCY vstelm.w x3, YY, 0 * SIZE, 1 vstelm.w x4, YY, 1 * SIZE, 1 add.d YY, YY, INCY vstelm.w x3, YY, 0 * SIZE, 2 vstelm.w x4, YY, 1 * SIZE, 2 add.d YY, YY, INCY vstelm.w x3, YY, 0 * SIZE, 3 vstelm.w x4, YY, 1 * SIZE, 3 #endif add.d YY, YY, INCY addi.d X, X, 8 * SIZE blt $r0, I, .L121 b .L997 .align 3 .L21:// INCX!=1 and INCY==1 bge $r0, I, .L997 .align 3 .L211: #ifdef DOUBLE vld VX2, Y, 0 * SIZE vld VX3, Y, 2 * SIZE ld.d t1, X, 0 * SIZE ld.d t2, X, 1 * SIZE add.d X, X, INCX ld.d t3, X, 0 * SIZE ld.d t4, X, 1 * SIZE vinsgr2vr.d x1, t1, 0 vinsgr2vr.d x2, t2, 0 vinsgr2vr.d x1, t3, 1 vinsgr2vr.d x2, t4, 1 add.d X, X, INCX vpickev.d x3, VX3, VX2 vpickod.d x4, VX3, VX2 #else vld VX2, Y, 0 * SIZE ld.w t1, X, 0 * SIZE ld.w t2, X, 1 * SIZE add.d X, X, INCX ld.w t3, X, 0 * SIZE ld.w t4, X, 1 * SIZE add.d X, X, INCX vinsgr2vr.w x1, t1, 0 vinsgr2vr.w x2, t2, 0 vinsgr2vr.w x1, t3, 1 vinsgr2vr.w x2, t4, 1 vld VX3, Y, 4 * SIZE ld.w t1, X, 0 * SIZE ld.w t2, X, 1 * SIZE add.d X, X, INCX ld.w t3, X, 0 * SIZE ld.w t4, X, 1 * SIZE vinsgr2vr.w x1, t1, 2 vinsgr2vr.w x2, t2, 2 vinsgr2vr.w x1, t3, 3 vinsgr2vr.w x2, t4, 3 add.d X, X, INCX vpickev.w x3, VX3, VX2 vpickod.w x4, VX3, VX2 #endif #if !defined(CONJ) #ifdef DOUBLE vfmul.d VX0, VXAI, x2 vfmul.d VX2, VXAI, x1 vfmsub.d VX1, VXAR, x1, VX0 vfmadd.d VX3, x2, VXAR, VX2 vfadd.d x3, x3, VX1 vfadd.d x4, x4, VX3 #else vfmul.s VX0, VXAI, x2 vfmul.s VX2, VXAI, x1 vfmsub.s VX1, VXAR, x1, VX0 vfmadd.s VX3, x2, VXAR, VX2 vfadd.s x3, x3, VX1 vfadd.s x4, x4, VX3 #endif #else #ifdef DOUBLE vfmul.d VX0, VXAI, x2 vfmul.d VX2, VXAI, x1 vfmadd.d VX1, VXAR, x1, VX0 vfmsub.d VX3, x2, VXAR, VX2 vfadd.d x3, x3, VX1 vfsub.d x4, x4, VX3 #else vfmul.s VX0, VXAI, x2 vfmul.s VX2, VXAI, x1 vfmadd.s VX1, VXAR, x1, VX0 vfmsub.s VX3, x2, VXAR, VX2 vfadd.s x3, x3, VX1 vfsub.s x4, x4, VX3 #endif #endif #ifdef DOUBLE vilvl.d VX2, x4 ,x3 vilvh.d VX3, x4, x3 vst VX2, Y, 0 * SIZE vst VX3, Y, 2 * SIZE vld VX2, Y, 4 * SIZE vld VX3, Y, 6 * SIZE ld.d t1, X, 0 * SIZE ld.d t2, X, 1 * SIZE add.d X, X, INCX ld.d t3, X, 0 * SIZE ld.d t4, X, 1 * SIZE vinsgr2vr.d x1, t1, 0 vinsgr2vr.d x2, t2, 0 vinsgr2vr.d x1, t3, 1 vinsgr2vr.d x2, t4, 1 add.d X, X, INCX vpickev.d x3, VX3, VX2 vpickod.d x4, VX3, VX2 #if !defined(CONJ) vfmul.d VX0, VXAI, x2 vfmul.d VX2, VXAI, x1 vfmsub.d VX1, VXAR, x1, VX0 vfmadd.d VX3, x2, VXAR, VX2 vfadd.d x3, x3, VX1 vfadd.d x4, x4, VX3 #else vfmul.d VX0, VXAI, x2 vfmul.d VX2, VXAI, x1 vfmadd.d VX1, VXAR, x1, VX0 vfmsub.d VX3, x2, VXAR, VX2 vfadd.d x3, x3, VX1 vfsub.d x4, x4, VX3 #endif vilvl.d VX2, x4 ,x3 vilvh.d VX3, x4, x3 addi.d I, I, -1 vst VX2, Y, 4 * SIZE vst VX3, Y, 6 * SIZE #else vilvl.w VX2, x4 ,x3 vilvh.w VX3, x4, x3 addi.d I, I, -1 vst VX2, Y, 0 * SIZE vst VX3, Y, 4 * SIZE #endif addi.d Y, Y, 8 * SIZE blt $r0, I, .L211 b .L997 .align 3 .L22: bge $r0, I, .L997 move YY, Y .align 3 .L222: #ifdef DOUBLE ld.d t1, X, 0 * SIZE ld.d t2, X, 1 * SIZE add.d X, X, INCX ld.d t3, X, 0 * SIZE ld.d t4, X, 1 * SIZE add.d X, X, INCX vinsgr2vr.d x1, t1, 0 vinsgr2vr.d x2, t2, 0 vinsgr2vr.d x1, t3, 1 vinsgr2vr.d x2, t4, 1 ld.d t1, Y, 0 * SIZE ld.d t2, Y, 1 * SIZE add.d Y, Y, INCY ld.d t3, Y, 0 * SIZE ld.d t4, Y, 1 * SIZE vinsgr2vr.d x3, t1, 0 vinsgr2vr.d x4, t2, 0 vinsgr2vr.d x3, t3, 1 vinsgr2vr.d x4, t4, 1 #else ld.w t1, X, 0 * SIZE ld.w t2, X, 1 * SIZE add.d X, X, INCX ld.w t3, X, 0 * SIZE ld.w t4, X, 1 * SIZE add.d X, X, INCX vinsgr2vr.w x1, t1, 0 vinsgr2vr.w x2, t2, 0 vinsgr2vr.w x1, t3, 1 vinsgr2vr.w x2, t4, 1 ld.w t1, Y, 0 * SIZE ld.w t2, Y, 1 * SIZE add.d Y, Y, INCY ld.w t3, Y, 0 * SIZE ld.w t4, Y, 1 * SIZE add.d Y, Y, INCY vinsgr2vr.w x3, t1, 0 vinsgr2vr.w x4, t2, 0 vinsgr2vr.w x3, t3, 1 vinsgr2vr.w x4, t4, 1 ld.w t1, X, 0 * SIZE ld.w t2, X, 1 * SIZE add.d X, X, INCX ld.w t3, X, 0 * SIZE ld.w t4, X, 1 * SIZE add.d X, X, INCX vinsgr2vr.w x1, t1, 2 vinsgr2vr.w x2, t2, 2 vinsgr2vr.w x1, t3, 3 vinsgr2vr.w x2, t4, 3 ld.w t1, Y, 0 * SIZE ld.w t2, Y, 1 * SIZE add.d Y, Y, INCY ld.w t3, Y, 0 * SIZE ld.w t4, Y, 1 * SIZE vinsgr2vr.w x3, t1, 2 vinsgr2vr.w x4, t2, 2 vinsgr2vr.w x3, t3, 3 vinsgr2vr.w x4, t4, 3 #endif add.d Y, Y, INCY #if !defined(CONJ) #ifdef DOUBLE vfmul.d VX0, VXAI, x2 vfmul.d VX2, VXAI, x1 vfmsub.d VX1, VXAR, x1, VX0 vfmadd.d VX3, x2, VXAR, VX2 vfadd.d x3, x3, VX1 vfadd.d x4, x4, VX3 #else vfmul.s VX0, VXAI, x2 vfmul.s VX2, VXAI, x1 vfmsub.s VX1, VXAR, x1, VX0 vfmadd.s VX3, x2, VXAR, VX2 vfadd.s x3, x3, VX1 vfadd.s x4, x4, VX3 #endif #else #ifdef DOUBLE vfmul.d VX0, VXAI, x2 vfmul.d VX2, VXAI, x1 vfmadd.d VX1, VXAR, x1, VX0 vfmsub.d VX3, x2, VXAR, VX2 vfadd.d x3, x3, VX1 vfsub.d x4, x4, VX3 #else vfmul.s VX0, VXAI, x2 vfmul.s VX2, VXAI, x1 vfmadd.s VX1, VXAR, x1, VX0 vfmsub.s VX3, x2, VXAR, VX2 vfadd.s x3, x3, VX1 vfsub.s x4, x4, VX3 #endif #endif #ifdef DOUBLE vstelm.d x3, YY, 0 * SIZE, 0 vstelm.d x4, YY, 1 * SIZE, 0 add.d YY, YY, INCY vstelm.d x3, YY, 0 * SIZE, 1 vstelm.d x4, YY, 1 * SIZE, 1 add.d YY, YY, INCY ld.d t1, X, 0 * SIZE ld.d t2, X, 1 * SIZE add.d X, X, INCX ld.d t3, X, 0 * SIZE ld.d t4, X, 1 * SIZE add.d X, X, INCX vinsgr2vr.d x1, t1, 0 vinsgr2vr.d x2, t2, 0 vinsgr2vr.d x1, t3, 1 vinsgr2vr.d x2, t4, 1 ld.d t1, Y, 0 * SIZE ld.d t2, Y, 1 * SIZE add.d Y, Y, INCY ld.d t3, Y, 0 * SIZE ld.d t4, Y, 1 * SIZE vinsgr2vr.d x3, t1, 0 vinsgr2vr.d x4, t2, 0 vinsgr2vr.d x3, t3, 1 vinsgr2vr.d x4, t4, 1 add.d Y, Y, INCY #if !defined(CONJ) vfmul.d VX0, VXAI, x2 vfmul.d VX2, VXAI, x1 vfmsub.d VX1, VXAR, x1, VX0 vfmadd.d VX3, x2, VXAR, VX2 vfadd.d x3, x3, VX1 vfadd.d x4, x4, VX3 #else vfmul.d VX0, VXAI, x2 vfmul.d VX2, VXAI, x1 vfmadd.d VX1, VXAR, x1, VX0 vfmsub.d VX3, x2, VXAR, VX2 vfadd.d x3, x3, VX1 vfsub.d x4, x4, VX3 #endif addi.d I, I, -1 vstelm.d x3, YY, 0 * SIZE, 0 vstelm.d x4, YY, 1 * SIZE, 0 add.d YY, YY, INCY vstelm.d x3, YY, 0 * SIZE, 1 vstelm.d x4, YY, 1 * SIZE, 1 #else addi.d I, I, -1 vstelm.w x3, YY, 0 * SIZE, 0 vstelm.w x4, YY, 1 * SIZE, 0 add.d YY, YY, INCY vstelm.w x3, YY, 0 * SIZE, 1 vstelm.w x4, YY, 1 * SIZE, 1 add.d YY, YY, INCY vstelm.w x3, YY, 0 * SIZE, 2 vstelm.w x4, YY, 1 * SIZE, 2 add.d YY, YY, INCY vstelm.w x3, YY, 0 * SIZE, 3 vstelm.w x4, YY, 1 * SIZE, 3 #endif add.d YY, YY, INCY blt $r0, I, .L222 .align 3 .L997: andi I, N, 3 bge $r0, I, .L999 .align 3 .L998: LD a1, X, 0 * SIZE LD a2, X, 1 * SIZE LD a3, Y, 0 * SIZE LD a4, Y, 1 * SIZE addi.d I, I, -1 #if !defined(CONJ) MUL s1, ALPHAI, a2 MUL s2, ALPHAI, a1 MSUB s3, ALPHAR, a1, s1 MADD s4, a2, ALPHAR, s2 ADD s3, s3, a3 ADD s4, s4, a4 #else MUL s1, ALPHAI, a2 MUL s2, ALPHAI, a1 MADD s3, ALPHAR, a1, s1 MSUB s4, a2, ALPHAR, s2 ADD s3, s3, a3 SUB s4, a4, s4 #endif ST s3, Y, 0 * SIZE ST s4, Y, 1 * SIZE add.d X, X, INCX add.d Y, Y, INCY blt $r0, I, .L998 .align 3 .L999: move $r4, $r12 jirl $r0, $r1, 0x0 .align 3 EPILOGUE