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Diffstat (limited to '3rdparty/lzma/C/BraIA64.c')
-rw-r--r--3rdparty/lzma/C/BraIA64.c82
1 files changed, 33 insertions, 49 deletions
diff --git a/3rdparty/lzma/C/BraIA64.c b/3rdparty/lzma/C/BraIA64.c
index fa60356b288..d1dbc62c55b 100644
--- a/3rdparty/lzma/C/BraIA64.c
+++ b/3rdparty/lzma/C/BraIA64.c
@@ -1,69 +1,53 @@
/* BraIA64.c -- Converter for IA-64 code
-2013-11-12 : Igor Pavlov : Public domain */
+2017-01-26 : Igor Pavlov : Public domain */
#include "Precomp.h"
+#include "CpuArch.h"
#include "Bra.h"
-static 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
-};
-
SizeT IA64_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
{
SizeT i;
if (size < 16)
return 0;
size -= 16;
- for (i = 0; i <= size; i += 16)
+ i = 0;
+ do
{
- UInt32 instrTemplate = data[i] & 0x1F;
- UInt32 mask = kBranchTable[instrTemplate];
- UInt32 bitPos = 5;
- int slot;
- for (slot = 0; slot < 3; slot++, bitPos += 41)
+ unsigned m = ((UInt32)0x334B0000 >> (data[i] & 0x1E)) & 3;
+ if (m)
{
- UInt32 bytePos, bitRes;
- UInt64 instruction, instNorm;
- int j;
- if (((mask >> slot) & 1) == 0)
- continue;
- bytePos = (bitPos >> 3);
- bitRes = bitPos & 0x7;
- instruction = 0;
- for (j = 0; j < 6; j++)
- instruction += (UInt64)data[i + j + bytePos] << (8 * j);
-
- instNorm = instruction >> bitRes;
- if (((instNorm >> 37) & 0xF) == 0x5 && ((instNorm >> 9) & 0x7) == 0)
+ m++;
+ do
{
- UInt32 src = (UInt32)((instNorm >> 13) & 0xFFFFF);
- UInt32 dest;
- src |= ((UInt32)(instNorm >> 36) & 1) << 20;
-
- src <<= 4;
-
- if (encoding)
- dest = ip + (UInt32)i + src;
- else
- dest = src - (ip + (UInt32)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));
+ Byte *p = data + (i + (size_t)m * 5 - 8);
+ if (((p[3] >> m) & 15) == 5
+ && (((p[-1] | ((UInt32)p[0] << 8)) >> m) & 0x70) == 0)
+ {
+ unsigned raw = GetUi32(p);
+ unsigned v = raw >> m;
+ v = (v & 0xFFFFF) | ((v & (1 << 23)) >> 3);
+
+ v <<= 4;
+ if (encoding)
+ v += ip + (UInt32)i;
+ else
+ v -= ip + (UInt32)i;
+ v >>= 4;
+
+ v &= 0x1FFFFF;
+ v += 0x700000;
+ v &= 0x8FFFFF;
+ raw &= ~((UInt32)0x8FFFFF << m);
+ raw |= (v << m);
+ SetUi32(p, raw);
+ }
}
+ while (++m <= 4);
}
+ i += 16;
}
+ while (i <= size);
return i;
}