small optimization (delete branch)

aikiriao · Jun 16, 2024 · e28cc54 · e28cc54
1 parent 68a52ff
commit e28cc54
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Showing 2 changed files with 0 additions and 12 deletions.
diff --git a/libs/bit_stream/include/bit_stream.h b/libs/bit_stream/include/bit_stream.h
@@ -316,12 +316,6 @@ extern const uint32_t g_bitstream_zerobit_runlength_table[0x100];
         /* 入力可能な最大ビット数を越えてないか確認 */\
         assert((nbits) <= 32);\
         \
-        /* 0ビット取得は0を返す */\
-        if (!(nbits)) {\
-            (*(val)) = 0;\
-            break;\
-        }\
-        \
         /* バッファから取り出す */\
         if ((nbits) <= (stream)->bit_count) {\
             (stream)->bit_count -= (nbits);\

diff --git a/libs/bit_stream/src/bit_stream.c b/libs/bit_stream/src/bit_stream.c
@@ -249,12 +249,6 @@ void BitReader_GetBits(struct BitStream *stream, uint32_t *val, uint32_t nbits)
     /* 入力可能な最大ビット数を越えてないか確認 */
     assert(nbits <= 32);
 
-    /* 0ビット取得は0を返す */
-    if (!nbits) {
-        (*val) = 0;
-        return;
-    }
-
     /* バッファから取り出す */
     if (nbits <= stream->bit_count) {
         stream->bit_count -= nbits;