103 lines
2.5 KiB
Diff
103 lines
2.5 KiB
Diff
Patch fixing CryptoPP so:
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- it builds properly in mips64 with gcc 4.4 (gcc 4.4 does not have the 'h' asm constraint)
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- it runs properly in mips64 (where lack of templated *Precision functions gave wrong numbers).
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An assertion check failed without this.
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diff --git a/src/utils/lib/CryptoPP.cc b/src/utils/lib/CryptoPP.cc
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index 9208e1c..6b12b0a 100644
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--- a/src/utils/lib/CryptoPP.cc
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+++ b/src/utils/lib/CryptoPP.cc
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@@ -890,35 +890,6 @@ unsigned int Parity(unsigned long value)
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return (unsigned int)value&1;
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}
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-unsigned int BytePrecision(unsigned long value)
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-{
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- unsigned int i;
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- for (i=sizeof(value); i; --i)
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- if (value >> (i-1)*8)
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- break;
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-
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- return i;
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-}
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-
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-unsigned int BitPrecision(unsigned long value)
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-{
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- if (!value)
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- return 0;
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-
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- unsigned int l=0, h=8*sizeof(value);
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-
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- while (h-l > 1)
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- {
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- unsigned int t = (l+h)/2;
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- if (value >> t)
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- l = t;
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- else
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- h = t;
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- }
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-
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- return h;
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-}
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-
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unsigned long Crop(unsigned long value, unsigned int size)
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{
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if (size < 8*sizeof(value))
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@@ -1880,7 +1851,10 @@ public:
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#elif defined(__x86_64__)
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__asm__("mulq %3" : "=d" (r.m_halfs.high), "=a" (r.m_halfs.low) : "a" (a), "rm" (b) : "cc");
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#elif defined(__mips64)
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- __asm__("dmultu %2,%3" : "=h" (r.m_halfs.high), "=l" (r.m_halfs.low) : "r" (a), "r" (b));
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+ //typedef unsigned int uint128_t __attribute__((mode(TI)));
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+ __uint128_t tmp = (__uint128_t) a * b;
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+ r.m_halfs.high = tmp >> 64;
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+ r.m_halfs.low = tmp;
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#elif defined(_M_IX86)
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// for testing
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word64 t = (word64)a * b;
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diff --git a/src/utils/lib/CryptoPP.h b/src/utils/lib/CryptoPP.h
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index d2ec1b2..775a898 100644
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--- a/src/utils/lib/CryptoPP.h
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+++ b/src/utils/lib/CryptoPP.h
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@@ -1869,10 +1869,39 @@ template <class T> inline const T& STDMAX(const T& a, const T& b)
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// #define GETBYTE(x, y) (((byte *)&(x))[y])
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CRYPTOPP_DLL unsigned int Parity(unsigned long);
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-CRYPTOPP_DLL unsigned int BytePrecision(unsigned long);
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-CRYPTOPP_DLL unsigned int BitPrecision(unsigned long);
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CRYPTOPP_DLL unsigned long Crop(unsigned long, unsigned int size);
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+template <typename T>
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+unsigned int BitPrecision(const T &value)
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+{
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+ if (!value)
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+ return 0;
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+
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+ unsigned int l=0, h=8*sizeof(value);
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+
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+ while (h-l > 1)
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+ {
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+ unsigned int t = (l+h)/2;
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+ if (value >> t)
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+ l = t;
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+ else
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+ h = t;
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+ }
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+
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+ return h;
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+}
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+
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+template <typename T>
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+unsigned int BytePrecision(const T &value)
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+{
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+ unsigned int i;
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+ for (i=sizeof(value); i; --i)
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+ if (value >> (i-1)*8)
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+ break;
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+
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+ return i;
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+}
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+
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inline unsigned int BitsToBytes(unsigned int bitCount)
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{
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return ((bitCount+7)/(8));
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