[FFmpeg-devel] [PATCH 2/3] avcodec/kmvc: Move commonly used variables to the front of the context

Andreas Rheinhardt andreas.rheinhardt at gmail.com
Mon Mar 22 04:06:33 EET 2021


Reduces codesize because the offset in pointer+offset addressing
requires less bytes to encode. Reduces the size of .text from 8871B
to 8146B (GCC 10, -O3, x64).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
---
 libavcodec/kmvc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/kmvc.c b/libavcodec/kmvc.c
index 8d9f0a9693..dd1ae05f2d 100644
--- a/libavcodec/kmvc.c
+++ b/libavcodec/kmvc.c
@@ -44,12 +44,12 @@
 typedef struct KmvcContext {
     AVCodecContext *avctx;
 
+    GetByteContext g;
+    uint8_t *cur, *prev;
     int setpal;
     int palsize;
     uint32_t pal[MAX_PALSIZE];
-    uint8_t *cur, *prev;
     uint8_t frm0[320 * 200], frm1[320 * 200];
-    GetByteContext g;
 } KmvcContext;
 
 typedef struct BitBuf {
-- 
2.27.0



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