/*************************************************************************** Copyright (c) 2013, 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. *****************************************************************************/ /************************************************************************************** * 2013/11/14 Saar * BLASTEST : OK * CTEST : OK * TEST : OK * **************************************************************************************/ #define ASSEMBLER #include "common.h" #define STACKSIZE 256 #define OLD_INC_X [fp, #0 ] #define OLD_Y [fp, #4 ] #define OLD_INC_Y [fp, #8 ] #define N r0 #define Y r1 #define INC_X r2 #define X r3 #define INC_Y r4 #define I r12 #define X_PRE 512 /************************************************************************************** * Macro definitions **************************************************************************************/ /*****************************************************************************************/ #if !defined(COMPLEX) #if defined(DOUBLE) .macro KERNEL_F4 pld [ X, #X_PRE ] pld [ Y, #X_PRE ] fldmiad X, { d0 - d3 } fldmiad Y, { d4 - d7 } fstmiad Y!, { d0 - d3 } fstmiad X!, { d4 - d7} .endm .macro KERNEL_F1 fldmiad X, { d0 } fldmiad Y, { d4 } fstmiad Y!, { d0 } fstmiad X!, { d4 } .endm .macro KERNEL_S1 fldmiad X, { d0 } fldmiad Y, { d4 } fstmiad Y, { d0 } fstmiad X, { d4 } add X, X, INC_X add Y, Y, INC_Y .endm #else .macro KERNEL_F4 fldmias X, { s0 - s3 } fldmias Y, { s4 - s7 } fstmias Y!, { s0 - s3 } fstmias X!, { s4 - s7} .endm .macro KERNEL_F1 fldmias X, { s0 } fldmias Y, { s4 } fstmias Y!, { s0 } fstmias X!, { s4 } .endm .macro KERNEL_S1 fldmias X, { s0 } fldmias Y, { s4 } fstmias Y, { s0 } fstmias X, { s4 } add X, X, INC_X add Y, Y, INC_Y .endm #endif #else #if defined(DOUBLE) .macro KERNEL_F4 pld [ X, #X_PRE ] pld [ Y, #X_PRE ] fldmiad X, { d0 - d3 } fldmiad Y, { d4 - d7 } fstmiad Y!, { d0 - d3 } fstmiad X!, { d4 - d7} pld [ X, #X_PRE ] pld [ Y, #X_PRE ] fldmiad X, { d0 - d3 } fldmiad Y, { d4 - d7 } fstmiad Y!, { d0 - d3 } fstmiad X!, { d4 - d7} .endm .macro KERNEL_F1 fldmiad X, { d0 - d1 } fldmiad Y, { d4 - d5 } fstmiad Y!, { d0 - d1 } fstmiad X!, { d4 - d5 } .endm .macro KERNEL_S1 fldmiad X, { d0 - d1 } fldmiad Y, { d4 - d5 } fstmiad Y, { d0 - d1 } fstmiad X, { d4 - d5 } add X, X, INC_X add Y, Y, INC_Y .endm #else .macro KERNEL_F4 pld [ X, #X_PRE ] pld [ Y, #X_PRE ] fldmias X, { s0 - s3 } fldmias Y, { s4 - s7 } fstmias Y!, { s0 - s3 } fstmias X!, { s4 - s7} fldmias X, { s0 - s3 } fldmias Y, { s4 - s7 } fstmias Y!, { s0 - s3 } fstmias X!, { s4 - s7} .endm .macro KERNEL_F1 fldmias X, { s0 - s1 } fldmias Y, { s4 - s5 } fstmias Y!, { s0 - s1 } fstmias X!, { s4 - s5 } .endm .macro KERNEL_S1 fldmias X, { s0 - s1 } fldmias Y, { s4 - s5 } fstmias Y, { s0 - s1 } fstmias X, { s4 - s5 } add X, X, INC_X add Y, Y, INC_Y .endm #endif #endif /************************************************************************************** * End of macro definitions **************************************************************************************/ PROLOGUE .align 5 push {r4 , fp} add fp, sp, #8 ldr INC_X , OLD_INC_X ldr Y, OLD_Y ldr INC_Y , OLD_INC_Y cmp N, #0 ble swap_kernel_L999 cmp INC_X, #0 beq swap_kernel_L999 cmp INC_Y, #0 beq swap_kernel_L999 cmp INC_X, #1 bne swap_kernel_S_BEGIN cmp INC_Y, #1 bne swap_kernel_S_BEGIN swap_kernel_F_BEGIN: asrs I, N, #2 // I = N / 4 ble swap_kernel_F1 .align 5 swap_kernel_F4: #if !defined(COMPLEX) && !defined(DOUBLE) pld [ X, #X_PRE ] pld [ Y, #X_PRE ] #endif KERNEL_F4 subs I, I, #1 ble swap_kernel_F1 KERNEL_F4 subs I, I, #1 bne swap_kernel_F4 swap_kernel_F1: ands I, N, #3 ble swap_kernel_L999 swap_kernel_F10: KERNEL_F1 subs I, I, #1 bne swap_kernel_F10 b swap_kernel_L999 swap_kernel_S_BEGIN: #if defined(COMPLEX) #if defined(DOUBLE) lsl INC_X, INC_X, #4 // INC_X * SIZE * 2 lsl INC_Y, INC_Y, #4 // INC_Y * SIZE * 2 #else lsl INC_X, INC_X, #3 // INC_X * SIZE * 2 lsl INC_Y, INC_Y, #3 // INC_Y * SIZE * 2 #endif #else #if defined(DOUBLE) lsl INC_X, INC_X, #3 // INC_X * SIZE lsl INC_Y, INC_Y, #3 // INC_Y * SIZE #else lsl INC_X, INC_X, #2 // INC_X * SIZE lsl INC_Y, INC_Y, #2 // INC_Y * SIZE #endif #endif asrs I, N, #2 // I = N / 4 ble swap_kernel_S1 .align 5 swap_kernel_S4: KERNEL_S1 KERNEL_S1 KERNEL_S1 KERNEL_S1 subs I, I, #1 bne swap_kernel_S4 swap_kernel_S1: ands I, N, #3 ble swap_kernel_L999 swap_kernel_S10: KERNEL_S1 subs I, I, #1 bne swap_kernel_S10 swap_kernel_L999: mov r0, #0 // set return value sub sp, fp, #8 pop {r4,fp} bx lr EPILOGUE