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/*
* Loongson SIMD utils
*
* Copyright (c) 2016 Loongson Technology Corporation Limited
* Copyright (c) 2016 Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_MIPS_MMIUTILS_H
#define AVUTIL_MIPS_MMIUTILS_H
#include "config.h"
#include "libavutil/mem_internal.h"
#include "libavutil/mips/asmdefs.h"
/*
* These were used to define temporary registers for MMI marcos
* however now we're using $at. They're theoretically unnecessary
* but just leave them here to avoid mess.
*/
#define DECLARE_VAR_LOW32
#define RESTRICT_ASM_LOW32
#define DECLARE_VAR_ALL64
#define RESTRICT_ASM_ALL64
#define DECLARE_VAR_ADDRT
#define RESTRICT_ASM_ADDRT
#if HAVE_LOONGSON2
#define MMI_LWX(reg, addr, stride, bias) \
".set noat \n\t" \
PTR_ADDU "$at, "#addr", "#stride" \n\t" \
"lw "#reg", "#bias"($at) \n\t" \
".set at \n\t"
#define MMI_SWX(reg, addr, stride, bias) \
".set noat \n\t" \
PTR_ADDU "$at, "#addr", "#stride" \n\t" \
"sw "#reg", "#bias"($at) \n\t" \
".set at \n\t"
#define MMI_LDX(reg, addr, stride, bias) \
".set noat \n\t" \
PTR_ADDU "$at, "#addr", "#stride" \n\t" \
"ld "#reg", "#bias"($at) \n\t" \
".set at \n\t"
#define MMI_SDX(reg, addr, stride, bias) \
".set noat \n\t" \
PTR_ADDU "$at, "#addr", "#stride" \n\t" \
"sd "#reg", "#bias"($at) \n\t" \
".set at \n\t"
#define MMI_LWC1(fp, addr, bias) \
"lwc1 "#fp", "#bias"("#addr") \n\t"
#define MMI_ULWC1(fp, addr, bias) \
".set noat \n\t" \
"ulw $at, "#bias"("#addr") \n\t" \
"mtc1 $at, "#fp" \n\t" \
".set at \n\t"
#define MMI_LWXC1(fp, addr, stride, bias) \
".set noat \n\t" \
PTR_ADDU "$at, "#addr", "#stride" \n\t" \
MMI_LWC1(fp, $at, bias) \
".set at \n\t"
#define MMI_SWC1(fp, addr, bias) \
"swc1 "#fp", "#bias"("#addr") \n\t"
#define MMI_USWC1(fp, addr, bias) \
".set noat \n\t" \
"mfc1 $at, "#fp" \n\t" \
"usw $at, "#bias"("#addr") \n\t" \
".set at \n\t"
#define MMI_SWXC1(fp, addr, stride, bias) \
".set noat \n\t" \
PTR_ADDU "$at, "#addr", "#stride" \n\t" \
MMI_SWC1(fp, $at, bias) \
".set at \n\t"
#define MMI_LDC1(fp, addr, bias) \
"ldc1 "#fp", "#bias"("#addr") \n\t"
#define MMI_ULDC1(fp, addr, bias) \
".set noat \n\t" \
"uld $at, "#bias"("#addr") \n\t" \
"dmtc1 $at, "#fp" \n\t" \
".set at \n\t"
#define MMI_LDXC1(fp, addr, stride, bias) \
".set noat \n\t" \
PTR_ADDU "$at, "#addr", "#stride" \n\t" \
MMI_LDC1(fp, $at, bias) \
".set at \n\t"
#define MMI_SDC1(fp, addr, bias) \
"sdc1 "#fp", "#bias"("#addr") \n\t"
#define MMI_USDC1(fp, addr, bias) \
".set noat \n\t" \
"dmfc1 $at, "#fp" \n\t" \
"usd $at, "#bias"("#addr") \n\t" \
".set at \n\t"
#define MMI_SDXC1(fp, addr, stride, bias) \
".set noat \n\t" \
PTR_ADDU "$at, "#addr", "#stride" \n\t" \
MMI_SDC1(fp, $at, bias) \
".set at \n\t"
#define MMI_LQ(reg1, reg2, addr, bias) \
"ld "#reg1", "#bias"("#addr") \n\t" \
"ld "#reg2", 8+"#bias"("#addr") \n\t"
#define MMI_SQ(reg1, reg2, addr, bias) \
"sd "#reg1", "#bias"("#addr") \n\t" \
"sd "#reg2", 8+"#bias"("#addr") \n\t"
#define MMI_LQC1(fp1, fp2, addr, bias) \
"ldc1 "#fp1", "#bias"("#addr") \n\t" \
"ldc1 "#fp2", 8+"#bias"("#addr") \n\t"
#define MMI_SQC1(fp1, fp2, addr, bias) \
"sdc1 "#fp1", "#bias"("#addr") \n\t" \
"sdc1 "#fp2", 8+"#bias"("#addr") \n\t"
#elif HAVE_LOONGSON3 /* !HAVE_LOONGSON2 */
#define MMI_LWX(reg, addr, stride, bias) \
"gslwx "#reg", "#bias"("#addr", "#stride") \n\t"
#define MMI_SWX(reg, addr, stride, bias) \
"gsswx "#reg", "#bias"("#addr", "#stride") \n\t"
#define MMI_LDX(reg, addr, stride, bias) \
"gsldx "#reg", "#bias"("#addr", "#stride") \n\t"
#define MMI_SDX(reg, addr, stride, bias) \
"gssdx "#reg", "#bias"("#addr", "#stride") \n\t"
#define MMI_LWC1(fp, addr, bias) \
"lwc1 "#fp", "#bias"("#addr") \n\t"
#if _MIPS_SIM == _ABIO32 /* workaround for 3A2000 gslwlc1 bug */
#define MMI_LWLRC1(fp, addr, bias, off) \
".set noat \n\t" \
"lwl $at, "#bias"+"#off"("#addr") \n\t" \
"lwr $at, "#bias"("#addr") \n\t" \
"mtc1 $at, "#fp" \n\t" \
".set at \n\t"
#else /* _MIPS_SIM != _ABIO32 */
#define DECLARE_VAR_LOW32
#define RESTRICT_ASM_LOW32
#define MMI_ULWC1(fp, addr, bias) \
"gslwlc1 "#fp", 3+"#bias"("#addr") \n\t" \
"gslwrc1 "#fp", "#bias"("#addr") \n\t"
#endif /* _MIPS_SIM != _ABIO32 */
#define MMI_LWXC1(fp, addr, stride, bias) \
"gslwxc1 "#fp", "#bias"("#addr", "#stride") \n\t"
#define MMI_SWC1(fp, addr, bias) \
"swc1 "#fp", "#bias"("#addr") \n\t"
#define MMI_USWC1(fp, addr, bias) \
"gsswlc1 "#fp", 3+"#bias"("#addr") \n\t" \
"gsswrc1 "#fp", "#bias"("#addr") \n\t"
#define MMI_SWXC1(fp, addr, stride, bias) \
"gsswxc1 "#fp", "#bias"("#addr", "#stride") \n\t"
#define MMI_LDC1(fp, addr, bias) \
"ldc1 "#fp", "#bias"("#addr") \n\t"
#define MMI_ULDC1(fp, addr, bias) \
"gsldlc1 "#fp", 7+"#bias"("#addr") \n\t" \
"gsldrc1 "#fp", "#bias"("#addr") \n\t"
#define MMI_LDXC1(fp, addr, stride, bias) \
"gsldxc1 "#fp", "#bias"("#addr", "#stride") \n\t"
#define MMI_SDC1(fp, addr, bias) \
"sdc1 "#fp", "#bias"("#addr") \n\t"
#define MMI_USDC1(fp, addr, bias) \
"gssdlc1 "#fp", 7+"#bias"("#addr") \n\t" \
"gssdrc1 "#fp", "#bias"("#addr") \n\t"
#define MMI_SDXC1(fp, addr, stride, bias) \
"gssdxc1 "#fp", "#bias"("#addr", "#stride") \n\t"
#define MMI_LQ(reg1, reg2, addr, bias) \
"gslq "#reg1", "#reg2", "#bias"("#addr") \n\t"
#define MMI_SQ(reg1, reg2, addr, bias) \
"gssq "#reg1", "#reg2", "#bias"("#addr") \n\t"
#define MMI_LQC1(fp1, fp2, addr, bias) \
"gslqc1 "#fp1", "#fp2", "#bias"("#addr") \n\t"
#define MMI_SQC1(fp1, fp2, addr, bias) \
"gssqc1 "#fp1", "#fp2", "#bias"("#addr") \n\t"
#endif /* HAVE_LOONGSON2 */
/**
* Backup saved registers
* We're not using compiler's clobber list as it's not smart enough
* to take advantage of quad word load/store.
*/
#define BACKUP_REG \
LOCAL_ALIGNED_16(double, temp_backup_reg, [8]); \
if (_MIPS_SIM == _ABI64) \
__asm__ volatile ( \
MMI_SQC1($f25, $f24, %[temp], 0x00) \
MMI_SQC1($f27, $f26, %[temp], 0x10) \
MMI_SQC1($f29, $f28, %[temp], 0x20) \
MMI_SQC1($f31, $f30, %[temp], 0x30) \
: \
: [temp]"r"(temp_backup_reg) \
: "memory" \
); \
else \
__asm__ volatile ( \
MMI_SQC1($f22, $f20, %[temp], 0x10) \
MMI_SQC1($f26, $f24, %[temp], 0x10) \
MMI_SQC1($f30, $f28, %[temp], 0x20) \
: \
: [temp]"r"(temp_backup_reg) \
: "memory" \
);
/**
* recover register
*/
#define RECOVER_REG \
if (_MIPS_SIM == _ABI64) \
__asm__ volatile ( \
MMI_LQC1($f25, $f24, %[temp], 0x00) \
MMI_LQC1($f27, $f26, %[temp], 0x10) \
MMI_LQC1($f29, $f28, %[temp], 0x20) \
MMI_LQC1($f31, $f30, %[temp], 0x30) \
: \
: [temp]"r"(temp_backup_reg) \
: "memory" \
); \
else \
__asm__ volatile ( \
MMI_LQC1($f22, $f20, %[temp], 0x10) \
MMI_LQC1($f26, $f24, %[temp], 0x10) \
MMI_LQC1($f30, $f28, %[temp], 0x20) \
: \
: [temp]"r"(temp_backup_reg) \
: "memory" \
);
/**
* brief: Transpose 2X2 word packaged data.
* fr_i0, fr_i1: src
* fr_o0, fr_o1: dst
*/
#define TRANSPOSE_2W(fr_i0, fr_i1, fr_o0, fr_o1) \
"punpcklwd "#fr_o0", "#fr_i0", "#fr_i1" \n\t" \
"punpckhwd "#fr_o1", "#fr_i0", "#fr_i1" \n\t"
/**
* brief: Transpose 4X4 half word packaged data.
* fr_i0, fr_i1, fr_i2, fr_i3: src & dst
* fr_t0, fr_t1, fr_t2, fr_t3: temporary register
*/
#define TRANSPOSE_4H(fr_i0, fr_i1, fr_i2, fr_i3, \
fr_t0, fr_t1, fr_t2, fr_t3) \
"punpcklhw "#fr_t0", "#fr_i0", "#fr_i1" \n\t" \
"punpckhhw "#fr_t1", "#fr_i0", "#fr_i1" \n\t" \
"punpcklhw "#fr_t2", "#fr_i2", "#fr_i3" \n\t" \
"punpckhhw "#fr_t3", "#fr_i2", "#fr_i3" \n\t" \
"punpcklwd "#fr_i0", "#fr_t0", "#fr_t2" \n\t" \
"punpckhwd "#fr_i1", "#fr_t0", "#fr_t2" \n\t" \
"punpcklwd "#fr_i2", "#fr_t1", "#fr_t3" \n\t" \
"punpckhwd "#fr_i3", "#fr_t1", "#fr_t3" \n\t"
/**
* brief: Transpose 8x8 byte packaged data.
* fr_i0~i7: src & dst
* fr_t0~t3: temporary register
*/
#define TRANSPOSE_8B(fr_i0, fr_i1, fr_i2, fr_i3, fr_i4, fr_i5, \
fr_i6, fr_i7, fr_t0, fr_t1, fr_t2, fr_t3) \
"punpcklbh "#fr_t0", "#fr_i0", "#fr_i1" \n\t" \
"punpckhbh "#fr_t1", "#fr_i0", "#fr_i1" \n\t" \
"punpcklbh "#fr_t2", "#fr_i2", "#fr_i3" \n\t" \
"punpckhbh "#fr_t3", "#fr_i2", "#fr_i3" \n\t" \
"punpcklbh "#fr_i0", "#fr_i4", "#fr_i5" \n\t" \
"punpckhbh "#fr_i1", "#fr_i4", "#fr_i5" \n\t" \
"punpcklbh "#fr_i2", "#fr_i6", "#fr_i7" \n\t" \
"punpckhbh "#fr_i3", "#fr_i6", "#fr_i7" \n\t" \
"punpcklhw "#fr_i4", "#fr_t0", "#fr_t2" \n\t" \
"punpckhhw "#fr_i5", "#fr_t0", "#fr_t2" \n\t" \
"punpcklhw "#fr_i6", "#fr_t1", "#fr_t3" \n\t" \
"punpckhhw "#fr_i7", "#fr_t1", "#fr_t3" \n\t" \
"punpcklhw "#fr_t0", "#fr_i0", "#fr_i2" \n\t" \
"punpckhhw "#fr_t1", "#fr_i0", "#fr_i2" \n\t" \
"punpcklhw "#fr_t2", "#fr_i1", "#fr_i3" \n\t" \
"punpckhhw "#fr_t3", "#fr_i1", "#fr_i3" \n\t" \
"punpcklwd "#fr_i0", "#fr_i4", "#fr_t0" \n\t" \
"punpckhwd "#fr_i1", "#fr_i4", "#fr_t0" \n\t" \
"punpcklwd "#fr_i2", "#fr_i5", "#fr_t1" \n\t" \
"punpckhwd "#fr_i3", "#fr_i5", "#fr_t1" \n\t" \
"punpcklwd "#fr_i4", "#fr_i6", "#fr_t2" \n\t" \
"punpckhwd "#fr_i5", "#fr_i6", "#fr_t2" \n\t" \
"punpcklwd "#fr_i6", "#fr_i7", "#fr_t3" \n\t" \
"punpckhwd "#fr_i7", "#fr_i7", "#fr_t3" \n\t"
/**
* brief: Parallel SRA for 8 byte packaged data.
* fr_i0: src
* fr_i1: SRA number(SRAB number + 8)
* fr_t0, fr_t1: temporary register
* fr_d0: dst
*/
#define PSRAB_MMI(fr_i0, fr_i1, fr_t0, fr_t1, fr_d0) \
"punpcklbh "#fr_t0", "#fr_t0", "#fr_i0" \n\t" \
"punpckhbh "#fr_t1", "#fr_t1", "#fr_i0" \n\t" \
"psrah "#fr_t0", "#fr_t0", "#fr_i1" \n\t" \
"psrah "#fr_t1", "#fr_t1", "#fr_i1" \n\t" \
"packsshb "#fr_d0", "#fr_t0", "#fr_t1" \n\t"
/**
* brief: Parallel SRL for 8 byte packaged data.
* fr_i0: src
* fr_i1: SRL number(SRLB number + 8)
* fr_t0, fr_t1: temporary register
* fr_d0: dst
*/
#define PSRLB_MMI(fr_i0, fr_i1, fr_t0, fr_t1, fr_d0) \
"punpcklbh "#fr_t0", "#fr_t0", "#fr_i0" \n\t" \
"punpckhbh "#fr_t1", "#fr_t1", "#fr_i0" \n\t" \
"psrlh "#fr_t0", "#fr_t0", "#fr_i1" \n\t" \
"psrlh "#fr_t1", "#fr_t1", "#fr_i1" \n\t" \
"packsshb "#fr_d0", "#fr_t0", "#fr_t1" \n\t"
#define PSRAH_4_MMI(fp1, fp2, fp3, fp4, shift) \
"psrah "#fp1", "#fp1", "#shift" \n\t" \
"psrah "#fp2", "#fp2", "#shift" \n\t" \
"psrah "#fp3", "#fp3", "#shift" \n\t" \
"psrah "#fp4", "#fp4", "#shift" \n\t"
#define PSRAH_8_MMI(fp1, fp2, fp3, fp4, fp5, fp6, fp7, fp8, shift) \
PSRAH_4_MMI(fp1, fp2, fp3, fp4, shift) \
PSRAH_4_MMI(fp5, fp6, fp7, fp8, shift)
/**
* brief: (((value) + (1 << ((n) - 1))) >> (n))
* fr_i0: src & dst
* fr_i1: Operand number
* fr_t0, fr_t1: temporary FPR
* gr_t0: temporary GPR
*/
#define ROUND_POWER_OF_TWO_MMI(fr_i0, fr_i1, fr_t0, fr_t1, gr_t0) \
"li "#gr_t0", 0x01 \n\t" \
"dmtc1 "#gr_t0", "#fr_t0" \n\t" \
"punpcklwd "#fr_t0", "#fr_t0", "#fr_t0" \n\t" \
"psubw "#fr_t1", "#fr_i1", "#fr_t0" \n\t" \
"psllw "#fr_t1", "#fr_t0", "#fr_t1" \n\t" \
"paddw "#fr_i0", "#fr_i0", "#fr_t1" \n\t" \
"psraw "#fr_i0", "#fr_i0", "#fr_i1" \n\t"
#endif /* AVUTILS_MIPS_MMIUTILS_H */
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