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authorJohn Schoenick <[email protected]>2015-09-09 18:35:41 -0700
committerJohn Schoenick <[email protected]>2015-09-09 18:35:41 -0700
commit0d8dceea4310fde5706b3ce1c70609d72a38efdf (patch)
treec831ef32c2c801a5c5a80401736b52c7b5a528ec /sp/src/utils/lzma/C/7zip/Compress/Branch/BranchIA64.c
parentUpdated the SDK with the latest code from the TF and HL2 branches. (diff)
downloadsource-sdk-2013-master.tar.xz
source-sdk-2013-master.zip
Updated the SDK with the latest code from the TF and HL2 branches.HEADmaster
Diffstat (limited to 'sp/src/utils/lzma/C/7zip/Compress/Branch/BranchIA64.c')
-rw-r--r--sp/src/utils/lzma/C/7zip/Compress/Branch/BranchIA64.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/sp/src/utils/lzma/C/7zip/Compress/Branch/BranchIA64.c b/sp/src/utils/lzma/C/7zip/Compress/Branch/BranchIA64.c
new file mode 100644
index 00000000..e7775564
--- /dev/null
+++ b/sp/src/utils/lzma/C/7zip/Compress/Branch/BranchIA64.c
@@ -0,0 +1,63 @@
+/* BranchIA64.c */
+
+#include "BranchIA64.h"
+
+const Byte kBranchTable[32] =
+{
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 4, 4, 6, 6, 0, 0, 7, 7,
+ 4, 4, 0, 0, 4, 4, 0, 0
+};
+
+UInt32 IA64_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding)
+{
+ UInt32 i;
+ for (i = 0; i + 16 <= size; i += 16)
+ {
+ UInt32 instrTemplate = data[i] & 0x1F;
+ UInt32 mask = kBranchTable[instrTemplate];
+ UInt32 bitPos = 5;
+ for (int slot = 0; slot < 3; slot++, bitPos += 41)
+ {
+ if (((mask >> slot) & 1) == 0)
+ continue;
+ UInt32 bytePos = (bitPos >> 3);
+ UInt32 bitRes = bitPos & 0x7;
+ UInt64 instruction = 0;
+ int j;
+ for (j = 0; j < 6; j++)
+ instruction += (UInt64)(data[i + j + bytePos]) << (8 * j);
+
+ UInt64 instNorm = instruction >> bitRes;
+ if (((instNorm >> 37) & 0xF) == 0x5
+ && ((instNorm >> 9) & 0x7) == 0
+ /* && (instNorm & 0x3F)== 0 */
+ )
+ {
+ UInt32 src = UInt32((instNorm >> 13) & 0xFFFFF);
+ src |= ((instNorm >> 36) & 1) << 20;
+
+ src <<= 4;
+
+ UInt32 dest;
+ if (encoding)
+ dest = nowPos + i + src;
+ else
+ dest = src - (nowPos + i);
+
+ dest >>= 4;
+
+ instNorm &= ~(UInt64(0x8FFFFF) << 13);
+ instNorm |= (UInt64(dest & 0xFFFFF) << 13);
+ instNorm |= (UInt64(dest & 0x100000) << (36 - 20));
+
+ instruction &= (1 << bitRes) - 1;
+ instruction |= (instNorm << bitRes);
+ for (j = 0; j < 6; j++)
+ data[i + j + bytePos] = Byte(instruction >> (8 * j));
+ }
+ }
+ }
+ return i;
+}