internal/lz4block: Remove unused loop from arm64 decoder

pierrec · Feb 7, 2022 · 1cbdd81 · 1cbdd81
1 parent 947bcf2
commit 1cbdd81
Showing 1 changed file with 0 additions and 13 deletions.
diff --git a/internal/lz4block/decode_arm64.s b/internal/lz4block/decode_arm64.s
@@ -201,19 +201,6 @@ copyMatchLoop8:
 	MOVD tmp2, -8(dst)
 	B    copyMatchDone
 
-	// 4× unrolled byte copy loop for the overlapping case.
-copyMatchLoop4:
-	SUB     $4, len
-	MOVBU.P 4(match), tmp1
-	MOVB.P  tmp1, 4(dst)
-	MOVBU   -3(match), tmp2
-	MOVB    tmp2, -3(dst)
-	MOVBU   -2(match), tmp3
-	MOVB    tmp3, -2(dst)
-	MOVBU   -1(match), tmp4
-	MOVB    tmp4, -1(dst)
-	CBNZ   len, copyMatchLoop4
-
 copyMatchLoop1:
 	// Finish with a byte-at-a-time copy.
 	SUB     $1, len