4.44 beta

1 files changed, 36 insertions, 0 deletions

diff --git a/C/Compress/Branch/BranchSPARC.c b/C/Compress/Branch/BranchSPARC.c
new file mode 100755
index 00000000..c175875b
--- /dev/null
+++ b/C/Compress/Branch/BranchSPARC.c
@@ -0,0 +1,36 @@
+/* BranchSPARC.c */
+
+#include "BranchSPARC.h"
+
+UInt32 SPARC_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding)
+{
+  UInt32 i;
+  for (i = 0; i + 4 <= size; i += 4)
+  {
+    if (data[i] == 0x40 && (data[i + 1] & 0xC0) == 0x00 || 
+        data[i] == 0x7F && (data[i + 1] & 0xC0) == 0xC0)
+    {
+      UInt32 src = 
+        ((UInt32)data[i + 0] << 24) |
+        ((UInt32)data[i + 1] << 16) |
+        ((UInt32)data[i + 2] << 8) |
+        ((UInt32)data[i + 3]);
+      
+      src <<= 2;
+      UInt32 dest;
+      if (encoding)
+        dest = nowPos + i + src;
+      else
+        dest = src - (nowPos + i);
+      dest >>= 2;
+      
+      dest = (((0 - ((dest >> 22) & 1)) << 22) & 0x3FFFFFFF) | (dest & 0x3FFFFF) | 0x40000000;
+
+      data[i + 0] = (Byte)(dest >> 24);
+      data[i + 1] = (Byte)(dest >> 16);
+      data[i + 2] = (Byte)(dest >> 8);
+      data[i + 3] = (Byte)dest;
+    }
+  }
+  return i;
+}