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174 lines
3.9 KiB
174 lines
3.9 KiB
/* |
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* Copyright © 2022 Rémi Denis-Courmont. |
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* Loosely based on earlier work copyrighted by Måns Rullgård, 2008. |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#if defined (__riscv_float_abi_soft) |
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#define NOHWF |
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#define NOHWD |
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#define HWF # |
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#define HWD # |
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#elif defined (__riscv_float_abi_single) |
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#define NOHWF # |
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#define NOHWD |
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#define HWF |
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#define HWD # |
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#else |
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#define NOHWF # |
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#define NOHWD # |
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#define HWF |
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#define HWD |
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#endif |
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.macro func sym, ext= |
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.text |
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.align 2 |
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.option push |
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.ifnb \ext |
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.option arch, +\ext |
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.endif |
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.global \sym |
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.hidden \sym |
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.type \sym, %function |
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\sym: |
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.macro endfunc |
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.size \sym, . - \sym |
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.option pop |
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.previous |
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.purgem endfunc |
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.endm |
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.endm |
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.macro const sym, align=3, relocate=0 |
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.if \relocate |
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.pushsection .data.rel.ro |
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.else |
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.pushsection .rodata |
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.endif |
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.align \align |
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\sym: |
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.macro endconst |
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.size \sym, . - \sym |
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.popsection |
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.purgem endconst |
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.endm |
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.endm |
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#if !defined (__riscv_zba) |
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/* SH{1,2,3}ADD definitions for pre-Zba assemblers */ |
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.macro shnadd n, rd, rs1, rs2 |
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.insn r OP, 2 * \n, 16, \rd, \rs1, \rs2 |
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.endm |
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.macro sh1add rd, rs1, rs2 |
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shnadd 1, \rd, \rs1, \rs2 |
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.endm |
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.macro sh2add rd, rs1, rs2 |
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shnadd 2, \rd, \rs1, \rs2 |
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.endm |
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.macro sh3add rd, rs1, rs2 |
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shnadd 3, \rd, \rs1, \rs2 |
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.endm |
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#endif |
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#if !defined (__riscv_zbb) |
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.macro min rd, rs1, rs2 |
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.insn r OP, 4, 5, \rd, \rs1, \rs2 |
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.endm |
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#endif |
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/* Convenience macro to load a Vector type (vtype) as immediate */ |
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.macro lvtypei rd, e, m=m1, tp=tu, mp=mu |
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.ifc \e,e8 |
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.equ ei, 0 |
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.else |
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.ifc \e,e16 |
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.equ ei, 8 |
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.else |
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.ifc \e,e32 |
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.equ ei, 16 |
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.else |
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.ifc \e,e64 |
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.equ ei, 24 |
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.else |
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.error "Unknown element type" |
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.endif |
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.endif |
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.endif |
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.endif |
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.ifc \m,m1 |
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.equ mi, 0 |
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.else |
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.ifc \m,m2 |
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.equ mi, 1 |
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.else |
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.ifc \m,m4 |
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.equ mi, 2 |
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.else |
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.ifc \m,m8 |
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.equ mi, 3 |
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.else |
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.ifc \m,mf8 |
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.equ mi, 5 |
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.else |
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.ifc \m,mf4 |
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.equ mi, 6 |
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.else |
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.ifc \m,mf2 |
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.equ mi, 7 |
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.else |
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.error "Unknown multiplier" |
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.equ mi, 3 |
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.endif |
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.endif |
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.endif |
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.endif |
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.endif |
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.endif |
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.endif |
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.ifc \tp,tu |
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.equ tpi, 0 |
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.else |
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.ifc \tp,ta |
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.equ tpi, 64 |
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.else |
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.error "Unknown tail policy" |
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.endif |
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.endif |
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.ifc \mp,mu |
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.equ mpi, 0 |
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.else |
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.ifc \mp,ma |
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.equ mpi, 128 |
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.else |
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.error "Unknown mask policy" |
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.endif |
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.endif |
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li \rd, (ei | mi | tpi | mpi) |
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.endm
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