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From: remi@remlab.net
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH 07/18] lavu/riscv: initial common header for assembler macros
Date: Mon, 12 Sep 2022 18:53:22 +0300
Message-ID: <20220912155333.59843-7-remi@remlab.net> (raw)
In-Reply-To: <2652141.mvXUDI8C0e@basile.remlab.net>

From: Rémi Denis-Courmont <remi@remlab.net>

---
 libavutil/riscv/asm.S | 74 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 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..7623c161cf
--- /dev/null
+++ b/libavutil/riscv/asm.S
@@ -0,0 +1,74 @@
+/*
+ * 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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  parent reply	other threads:[~2022-09-12 15:54 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <2652141.mvXUDI8C0e@basile.remlab.net>
2022-09-12 15:53 ` [FFmpeg-devel] [PATCH 01/18] doc: reference the RISC-V specification remi
2022-09-12 15:53 ` [FFmpeg-devel] [PATCH 02/18] lavu/riscv: AV_READ_TIME cycle counter remi
2022-09-12 15:53 ` [FFmpeg-devel] [PATCH 03/18] configure/riscv: detect fast CLZ remi
2022-09-12 15:53 ` [FFmpeg-devel] [PATCH 04/18] lavu/riscv: byte-swap operations remi
2022-09-12 15:53 ` [FFmpeg-devel] [PATCH 05/18] lavu/riscv: add <intmath.h> optimisations remi
2022-09-14  9:28   ` Rémi Denis-Courmont
2022-09-12 15:53 ` [FFmpeg-devel] [PATCH 06/18] configure: probe RISC-V Vector extension remi
2022-09-12 15:53 ` remi [this message]
2022-09-12 15:53 ` [FFmpeg-devel] [PATCH 08/18] lavu/riscv: add CPU flags for the " remi
2022-09-12 15:53 ` [FFmpeg-devel] [PATCH 09/18] checkasm: register the RISC-V V subsets remi
2022-09-12 15:53 ` [FFmpeg-devel] [PATCH 10/18] lavu/riscv: float vector-scalar multiplication with RVV remi
2022-09-12 15:53 ` [FFmpeg-devel] [PATCH 11/18] lavu/riscv: float vector-vector " remi
2022-09-12 15:53 ` [FFmpeg-devel] [PATCH 12/18] lavu/riscv: float vector multiply-accumulate " remi
2022-09-12 15:53 ` [FFmpeg-devel] [PATCH 13/18] lavu/riscv: float vector multiplication-addition " remi
2022-09-12 15:53 ` [FFmpeg-devel] [PATCH 14/18] lavu/riscv: float vector sum-and-difference " remi
2022-09-12 15:53 ` [FFmpeg-devel] [PATCH 15/18] lavu/riscv: float reversed vector multiplication " remi
2022-09-12 15:53 ` [FFmpeg-devel] [PATCH 16/18] lavu/riscv: float vector windowed overlap/add " remi
2022-09-12 15:53 ` [FFmpeg-devel] [PATCH 17/18] lavu/riscv: float vector dot product " remi
2022-09-12 15:53 ` [FFmpeg-devel] [PATCH 18/18] lavu/riscv: fixed vector sum-and-difference " remi
2022-09-09 15:48 [FFmpeg-devel] [PATCH 07/18] lavu/riscv: initial common header for assembler macros remi

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