[VOL-5486] Fix deprecated versions
Change-Id: I3e03ea246020547ae75fa92ce8cf5cbba7e8f3bb
Signed-off-by: Abhay Kumar <abhay.kumar@radisys.com>
diff --git a/vendor/github.com/klauspost/compress/zstd/matchlen_amd64.s b/vendor/github.com/klauspost/compress/zstd/matchlen_amd64.s
new file mode 100644
index 0000000..0782b86
--- /dev/null
+++ b/vendor/github.com/klauspost/compress/zstd/matchlen_amd64.s
@@ -0,0 +1,66 @@
+// Copied from S2 implementation.
+
+//go:build !appengine && !noasm && gc && !noasm
+
+#include "textflag.h"
+
+// func matchLen(a []byte, b []byte) int
+TEXT ·matchLen(SB), NOSPLIT, $0-56
+ MOVQ a_base+0(FP), AX
+ MOVQ b_base+24(FP), CX
+ MOVQ a_len+8(FP), DX
+
+ // matchLen
+ XORL SI, SI
+ CMPL DX, $0x08
+ JB matchlen_match4_standalone
+
+matchlen_loopback_standalone:
+ MOVQ (AX)(SI*1), BX
+ XORQ (CX)(SI*1), BX
+ JZ matchlen_loop_standalone
+
+#ifdef GOAMD64_v3
+ TZCNTQ BX, BX
+#else
+ BSFQ BX, BX
+#endif
+ SHRL $0x03, BX
+ LEAL (SI)(BX*1), SI
+ JMP gen_match_len_end
+
+matchlen_loop_standalone:
+ LEAL -8(DX), DX
+ LEAL 8(SI), SI
+ CMPL DX, $0x08
+ JAE matchlen_loopback_standalone
+
+matchlen_match4_standalone:
+ CMPL DX, $0x04
+ JB matchlen_match2_standalone
+ MOVL (AX)(SI*1), BX
+ CMPL (CX)(SI*1), BX
+ JNE matchlen_match2_standalone
+ LEAL -4(DX), DX
+ LEAL 4(SI), SI
+
+matchlen_match2_standalone:
+ CMPL DX, $0x02
+ JB matchlen_match1_standalone
+ MOVW (AX)(SI*1), BX
+ CMPW (CX)(SI*1), BX
+ JNE matchlen_match1_standalone
+ LEAL -2(DX), DX
+ LEAL 2(SI), SI
+
+matchlen_match1_standalone:
+ CMPL DX, $0x01
+ JB gen_match_len_end
+ MOVB (AX)(SI*1), BL
+ CMPB (CX)(SI*1), BL
+ JNE gen_match_len_end
+ INCL SI
+
+gen_match_len_end:
+ MOVQ SI, ret+48(FP)
+ RET