[FFmpeg-devel] [PATCH v2_2 1/6] Update R-V V vvc_mc vset to support more lengths

uk7b at foxmail.com uk7b at foxmail.com
Sun Dec 15 17:55:44 EET 2024


From: sunyuechi <sunyuechi at iscas.ac.cn>

---
 libavcodec/riscv/vvc/vvc_mc_rvv.S | 46 +++++++++++++++----------------
 1 file changed, 23 insertions(+), 23 deletions(-)

diff --git a/libavcodec/riscv/vvc/vvc_mc_rvv.S b/libavcodec/riscv/vvc/vvc_mc_rvv.S
index 45f4750f82..18532616d9 100644
--- a/libavcodec/riscv/vvc/vvc_mc_rvv.S
+++ b/libavcodec/riscv/vvc/vvc_mc_rvv.S
@@ -23,25 +23,25 @@
 .macro vsetvlstatic8 w, vlen
         .if \w == 2 && \vlen == 128
                 vsetivli        zero, \w, e8, mf8, ta, ma
-        .elseif \w == 4 && \vlen == 128
+        .elseif \w <= 4 && \vlen == 128
                 vsetivli        zero, \w, e8, mf4, ta, ma
-        .elseif \w == 8 && \vlen == 128
+        .elseif \w <= 8 && \vlen == 128
                 vsetivli        zero, \w, e8, mf2, ta, ma
-        .elseif \w == 16 && \vlen == 128
+        .elseif \w <= 16 && \vlen == 128
                 vsetivli        zero, \w, e8, m1, ta, ma
-        .elseif \w == 32 && \vlen == 128
+        .elseif \w <= 32 && \vlen == 128
                 li              t0, \w
                 vsetvli         zero, t0, e8, m2, ta, ma
         .elseif \w <= 4 && \vlen == 256
                 vsetivli        zero, \w, e8, mf8, ta, ma
-        .elseif \w == 8 && \vlen == 256
+        .elseif \w <= 8 && \vlen == 256
                 vsetivli        zero, \w, e8, mf4, ta, ma
-        .elseif \w == 16 && \vlen == 256
+        .elseif \w <= 16 && \vlen == 256
                 vsetivli        zero, \w, e8, mf2, ta, ma
-        .elseif \w == 32 && \vlen == 256
+        .elseif \w <= 32 && \vlen == 256
                 li              t0, \w
                 vsetvli         zero, t0, e8, m1, ta, ma
-        .elseif \w == 64 && \vlen == 256
+        .elseif \w <= 64 && \vlen == 256
                 li              t0, \w
                 vsetvli         zero, t0, e8, m2, ta, ma
         .else
@@ -53,25 +53,25 @@
 .macro vsetvlstatic16 w, vlen
         .if \w == 2 && \vlen == 128
                 vsetivli        zero, \w, e16, mf4, ta, ma
-        .elseif \w == 4 && \vlen == 128
+        .elseif \w <= 4 && \vlen == 128
                 vsetivli        zero, \w, e16, mf2, ta, ma
-        .elseif \w == 8 && \vlen == 128
+        .elseif \w <= 8 && \vlen == 128
                 vsetivli        zero, \w, e16, m1, ta, ma
-        .elseif \w == 16 && \vlen == 128
+        .elseif \w <= 16 && \vlen == 128
                 vsetivli        zero, \w, e16, m2, ta, ma
-        .elseif \w == 32 && \vlen == 128
+        .elseif \w <= 32 && \vlen == 128
                 li              t0, \w
                 vsetvli         zero, t0, e16, m4, ta, ma
         .elseif \w <= 4 && \vlen == 256
                 vsetivli        zero, \w, e16, mf4, ta, ma
-        .elseif \w == 8 && \vlen == 256
+        .elseif \w <= 8 && \vlen == 256
                 vsetivli        zero, \w, e16, mf2, ta, ma
-        .elseif \w == 16 && \vlen == 256
+        .elseif \w <= 16 && \vlen == 256
                 vsetivli        zero, \w, e16, m1, ta, ma
-        .elseif \w == 32 && \vlen == 256
+        .elseif \w <= 32 && \vlen == 256
                 li              t0, \w
                 vsetvli         zero, t0, e16, m2, ta, ma
-        .elseif \w == 64 && \vlen == 256
+        .elseif \w <= 64 && \vlen == 256
                 li              t0, \w
                 vsetvli         zero, t0, e16, m4, ta, ma
         .else
@@ -83,19 +83,19 @@
 .macro vsetvlstatic32 w, vlen
         .if \w == 2
                 vsetivli        zero, \w, e32, mf2, ta, ma
-        .elseif \w == 4 && \vlen == 128
+        .elseif \w <= 4 && \vlen == 128
                 vsetivli        zero, \w, e32, m1, ta, ma
-        .elseif \w == 8 && \vlen == 128
+        .elseif \w <= 8 && \vlen == 128
                 vsetivli        zero, \w, e32, m2, ta, ma
-        .elseif \w == 16 && \vlen == 128
+        .elseif \w <= 16 && \vlen == 128
                 vsetivli        zero, \w, e32, m4, ta, ma
-        .elseif \w == 4 && \vlen == 256
+        .elseif \w <= 4 && \vlen == 256
                 vsetivli        zero, \w, e32, mf2, ta, ma
-        .elseif \w == 8 && \vlen == 256
+        .elseif \w <= 8 && \vlen == 256
                 vsetivli        zero, \w, e32, m1, ta, ma
-        .elseif \w == 16 && \vlen == 256
+        .elseif \w <= 16 && \vlen == 256
                 vsetivli        zero, \w, e32, m2, ta, ma
-        .elseif \w == 32 && \vlen == 256
+        .elseif \w <= 32 && \vlen == 256
                 li              t0, \w
                 vsetvli         zero, t0, e32, m4, ta, ma
         .else
-- 
2.47.1



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