From: remi@remlab.net
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH 02/26] lavu/riscv: initial common header for assembler macros
Date: Tue, 20 Sep 2022 17:39:49 +0300
Message-ID: <20220920144013.4959-2-remi@remlab.net> (raw)
In-Reply-To: <5602865.DvuYhMxLoT@basile.remlab.net>
From: Rémi Denis-Courmont <remi@remlab.net>
---
libavutil/riscv/asm.S | 77 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 77 insertions(+)
create mode 100644 libavutil/riscv/asm.S
diff --git a/libavutil/riscv/asm.S b/libavutil/riscv/asm.S
new file mode 100644
index 0000000000..dbd97f40a4
--- /dev/null
+++ b/libavutil/riscv/asm.S
@@ -0,0 +1,77 @@
+/*
+ * Copyright © 2022 Rémi Denis-Courmont.
+ * Loosely based on earlier work copyrighted by Måns Rullgård, 2008.
+ *
+ * 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
+ */
+
+#include "config.h"
+
+#if defined (__riscv_float_abi_soft)
+#define NOHWF
+#define NOHWD
+#define HWF #
+#define HWD #
+#elif defined (__riscv_float_abi_single)
+#define NOHWF #
+#define NOHWD
+#define HWF
+#define HWD #
+#else
+#define NOHWF #
+#define NOHWD #
+#define HWF
+#define HWD
+#endif
+
+ .macro func sym, ext=
+ .text
+ .align 2
+
+ .option push
+ .ifnb \ext
+ .option arch, +\ext
+ .endif
+
+ .global \sym
+ .hidden \sym
+ .type \sym, %function
+ \sym:
+
+ .macro endfunc
+ .size \sym, . - \sym
+ .option pop
+ .previous
+ .purgem endfunc
+ .endm
+ .endm
+
+ .macro const sym, align=3, relocate=0
+ .if \relocate
+ .pushsection .data.rel.ro
+ .else
+ .pushsection .rodata
+ .endif
+ .align \align
+ \sym:
+
+ .macro endconst
+ .size \sym, . - \sym
+ .popsection
+ .purgem endconst
+ .endm
+ .endm
--
2.37.2
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next prev parent reply other threads:[~2022-09-20 14:40 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-20 14:39 [FFmpeg-devel] [PATCHv3 00/26] RISC-V CPU extensions Rémi Denis-Courmont
2022-09-20 14:39 ` [FFmpeg-devel] [PATCH 01/26] lavu/cpu: detect RISC-V base extensions remi
2022-09-20 14:39 ` remi [this message]
2022-09-20 14:39 ` [FFmpeg-devel] [PATCH 03/26] lavc/audiodsp: RISC-V F vector_clipf remi
2022-09-20 14:39 ` [FFmpeg-devel] [PATCH 04/26] lavc/pixblockdsp: RISC-V I get_pixels remi
2022-09-20 14:39 ` [FFmpeg-devel] [PATCH 05/26] lavu/cpu: CPU flags for the RISC-V Vector extension remi
2022-09-20 14:39 ` [FFmpeg-devel] [PATCH 06/26] configure: probe " remi
2022-09-20 14:39 ` [FFmpeg-devel] [PATCH 07/26] lavu/floatdsp: RISC-V V vector_fmul_scalar remi
2022-09-20 14:39 ` [FFmpeg-devel] [PATCH 08/26] lavu/floatdsp: RISC-V V vector_dmul_scalar remi
2022-09-20 14:39 ` [FFmpeg-devel] [PATCH 09/26] lavu/floatdsp: RISC-V V vector_fmul remi
2022-09-20 14:39 ` [FFmpeg-devel] [PATCH 10/26] lavu/floatdsp: RISC-V V vector_dmul remi
2022-09-20 14:39 ` [FFmpeg-devel] [PATCH 11/26] lavu/floatdsp: RISC-V V vector_fmac_scalar remi
2022-09-20 14:39 ` [FFmpeg-devel] [PATCH 12/26] lavu/floatdsp: RISC-V V vector_dmac_scalar remi
2022-09-20 14:40 ` [FFmpeg-devel] [PATCH 13/26] lavu/floatdsp: RISC-V V vector_fmul_add remi
2022-09-20 14:40 ` [FFmpeg-devel] [PATCH 14/26] lavu/floatdsp: RISC-V V butterflies_float remi
2022-09-20 14:40 ` [FFmpeg-devel] [PATCH 15/26] lavu/floatdsp: RISC-V V vector_fmul_reversed remi
2022-09-20 14:40 ` [FFmpeg-devel] [PATCH 16/26] lavu/floatdsp: RISC-V V vector_fmul_window remi
2022-09-20 14:40 ` [FFmpeg-devel] [PATCH 17/26] lavu/floatdsp: RISC-V V scalarproduct_float remi
2022-09-20 14:40 ` [FFmpeg-devel] [PATCH 18/26] lavu/fixeddsp: RISC-V V butterflies_fixed remi
2022-09-20 14:40 ` [FFmpeg-devel] [PATCH 19/26] lavc/audiodsp: RISC-V V vector_clip_int32 remi
2022-09-20 14:40 ` [FFmpeg-devel] [PATCH 20/26] lavc/audiodsp: RISC-V V vector_clipf remi
2022-09-20 14:40 ` [FFmpeg-devel] [PATCH 21/26] lavc/audiodsp: RISC-V V scalarproduct_int16 remi
2022-09-20 14:40 ` [FFmpeg-devel] [PATCH 22/26] lavc/fmtconvert: RISC-V V int32_to_float_fmul_scalar remi
2022-09-20 15:00 ` Andreas Rheinhardt
2022-09-20 15:12 ` Rémi Denis-Courmont
2022-09-21 14:14 ` [FFmpeg-devel] [PATCH 22 bis/26] " remi
2022-09-20 14:40 ` [FFmpeg-devel] [PATCH 23/26] lavc/fmtconvert: RISC-V V int32_to_float_fmul_array8 remi
2022-09-20 14:40 ` [FFmpeg-devel] [PATCH 24/26] lavc/vorbisdsp: RISC-V V inverse_coupling remi
2022-09-20 14:40 ` [FFmpeg-devel] [PATCH 25/26] lavc/aacpsdsp: RISC-V V add_squares remi
2022-09-20 14:40 ` [FFmpeg-devel] [PATCH 26/26] lavc/aacpsdsp: RISC-V V mul_pair_single remi
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