From: "Rémi Denis-Courmont" <remi@remlab.net>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH 1/2] lavu/riscv: assembler macros for VTYPE fields
Date: Tue, 14 May 2024 22:35:56 +0300
Message-ID: <20240514193557.32759-1-remi@remlab.net> (raw)
---
libavutil/riscv/asm.S | 48 +++++++++++++++++++++++++++++--------------
1 file changed, 33 insertions(+), 15 deletions(-)
diff --git a/libavutil/riscv/asm.S b/libavutil/riscv/asm.S
index 14be5055f5..ecf3081e61 100644
--- a/libavutil/riscv/asm.S
+++ b/libavutil/riscv/asm.S
@@ -96,20 +96,38 @@
.endm
#endif
+#define VTYPE_E8 000
+#define VTYPE_E16 010
+#define VTYPE_E32 020
+#define VTYPE_E64 030
+
+#define VTYPE_MF8 05
+#define VTYPE_MF4 06
+#define VTYPE_MF2 07
+#define VTYPE_M1 00
+#define VTYPE_M2 01
+#define VTYPE_M4 02
+#define VTYPE_M8 03
+
+#define VTYPE_TU 0000
+#define VTYPE_TA 0100
+#define VTYPE_MU 0000
+#define VTYPE_MA 0200
+
/* Convenience macro to load a Vector type (vtype) as immediate */
.macro lvtypei rd, e, m=m1, tp=tu, mp=mu
.ifc \e,e8
- .equ ei, 0
+ .equ ei, VTYPE_E8
.else
.ifc \e,e16
- .equ ei, 8
+ .equ ei, VTYPE_E16
.else
.ifc \e,e32
- .equ ei, 16
+ .equ ei, VTYPE_E32
.else
.ifc \e,e64
- .equ ei, 24
+ .equ ei, VTYPE_E64
.else
.error "Unknown element type"
.endif
@@ -118,25 +136,25 @@
.endif
.ifc \m,m1
- .equ mi, 0
+ .equ mi, VTYPE_M1
.else
.ifc \m,m2
- .equ mi, 1
+ .equ mi, VTYPE_M2
.else
.ifc \m,m4
- .equ mi, 2
+ .equ mi, VTYPE_M4
.else
.ifc \m,m8
- .equ mi, 3
+ .equ mi, VTYPE_M8
.else
.ifc \m,mf8
- .equ mi, 5
+ .equ mi, VTYPE_MF8
.else
.ifc \m,mf4
- .equ mi, 6
+ .equ mi, VTYPE_MF4
.else
.ifc \m,mf2
- .equ mi, 7
+ .equ mi, VTYPE_MF2
.else
.error "Unknown multiplier"
.equ mi, 3
@@ -149,20 +167,20 @@
.endif
.ifc \tp,tu
- .equ tpi, 0
+ .equ tpi, VTYPE_TU
.else
.ifc \tp,ta
- .equ tpi, 64
+ .equ tpi, VTYPE_TA
.else
.error "Unknown tail policy"
.endif
.endif
.ifc \mp,mu
- .equ mpi, 0
+ .equ mpi, VTYPE_MU
.else
.ifc \mp,ma
- .equ mpi, 128
+ .equ mpi, VTYPE_MA
.else
.error "Unknown mask policy"
.endif
--
2.43.0
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next reply other threads:[~2024-05-14 19:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-14 19:35 Rémi Denis-Courmont [this message]
2024-05-14 19:35 ` [FFmpeg-devel] [PATCH 2/2] lavc/flacdsp: optimise RVV vector type for lpc16 Rémi Denis-Courmont
2024-05-14 19:42 ` Rémi Denis-Courmont
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