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revert to int return value for Add and Sub

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This commit is contained in:
weidai 2007-05-05 19:37:51 +00:00
parent a91e88afaf
commit 4443d6e363
1 changed files with 16 additions and 16 deletions
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32
integer.cpp
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@ -432,7 +432,7 @@ inline word DWord::operator%(word a)
// use some tricks to share assembly code between MSVC and GCC
#if defined(__GNUC__)
#define AddPrologue \
word result; \
int result; \
__asm__ __volatile__ \
( \
".intel_syntax noprefix;"
@ -514,11 +514,11 @@ inline word DWord::operator%(word a)
#ifdef CRYPTOPP_X64_MASM_AVAILABLE
extern "C" {
word Baseline_Add(size_t N, word *C, const word *A, const word *B);
word Baseline_Sub(size_t N, word *C, const word *A, const word *B);
int Baseline_Add(size_t N, word *C, const word *A, const word *B);
int Baseline_Sub(size_t N, word *C, const word *A, const word *B);
}
#elif defined(CRYPTOPP_X64_ASM_AVAILABLE) && defined(__GNUC__)
word Baseline_Add(size_t N, word *C, const word *A, const word *B)
int Baseline_Add(size_t N, word *C, const word *A, const word *B)
{
word result;
__asm__ __volatile__
@ -547,10 +547,10 @@ word Baseline_Add(size_t N, word *C, const word *A, const word *B)
: "c" (N), "r" (C+N), "r" (A+N), "r" (B+N)
: "memory", "cc"
);
return result;
return (int)result;
}
word Baseline_Sub(size_t N, word *C, const word *A, const word *B)
int Baseline_Sub(size_t N, word *C, const word *A, const word *B)
{
word result;
__asm__ __volatile__
@ -579,10 +579,10 @@ word Baseline_Sub(size_t N, word *C, const word *A, const word *B)
: "c" (N), "r" (C+N), "r" (A+N), "r" (B+N)
: "memory", "cc"
);
return result;
return (int)result;
}
#elif defined(CRYPTOPP_X86_ASM_AVAILABLE) && CRYPTOPP_BOOL_X86
CRYPTOPP_NAKED word CRYPTOPP_FASTCALL Baseline_Add(size_t N, word *C, const word *A, const word *B)
CRYPTOPP_NAKED int CRYPTOPP_FASTCALL Baseline_Add(size_t N, word *C, const word *A, const word *B)
{
AddPrologue
@ -623,7 +623,7 @@ CRYPTOPP_NAKED word CRYPTOPP_FASTCALL Baseline_Add(size_t N, word *C, const word
AddEpilogue
}
CRYPTOPP_NAKED word CRYPTOPP_FASTCALL Baseline_Sub(size_t N, word *C, const word *A, const word *B)
CRYPTOPP_NAKED int CRYPTOPP_FASTCALL Baseline_Sub(size_t N, word *C, const word *A, const word *B)
{
AddPrologue
@ -665,7 +665,7 @@ CRYPTOPP_NAKED word CRYPTOPP_FASTCALL Baseline_Sub(size_t N, word *C, const word
}
#if CRYPTOPP_INTEGER_SSE2
CRYPTOPP_NAKED word CRYPTOPP_FASTCALL SSE2_Add(size_t N, word *C, const word *A, const word *B)
CRYPTOPP_NAKED int CRYPTOPP_FASTCALL SSE2_Add(size_t N, word *C, const word *A, const word *B)
{
AddPrologue
@ -721,7 +721,7 @@ CRYPTOPP_NAKED word CRYPTOPP_FASTCALL SSE2_Add(size_t N, word *C, const word *A,
AddEpilogue
}
CRYPTOPP_NAKED word CRYPTOPP_FASTCALL SSE2_Sub(size_t N, word *C, const word *A, const word *B)
CRYPTOPP_NAKED int CRYPTOPP_FASTCALL SSE2_Sub(size_t N, word *C, const word *A, const word *B)
{
AddPrologue
@ -779,7 +779,7 @@ CRYPTOPP_NAKED word CRYPTOPP_FASTCALL SSE2_Sub(size_t N, word *C, const word *A,
}
#endif // #if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
#else
word CRYPTOPP_FASTCALL Baseline_Add(size_t N, word *C, const word *A, const word *B)
int CRYPTOPP_FASTCALL Baseline_Add(size_t N, word *C, const word *A, const word *B)
{
assert (N%2 == 0);
@ -795,7 +795,7 @@ word CRYPTOPP_FASTCALL Baseline_Add(size_t N, word *C, const word *A, const word
return int(GetCarry(u));
}
word CRYPTOPP_FASTCALL Baseline_Sub(size_t N, word *C, const word *A, const word *B)
int CRYPTOPP_FASTCALL Baseline_Sub(size_t N, word *C, const word *A, const word *B)
{
assert (N%2 == 0);
@ -1922,7 +1922,7 @@ void SSE2_MultiplyTop32(word *C, const word *A, const word *B, word L)
// ********************************************************
typedef word (CRYPTOPP_FASTCALL * PAdd)(size_t N, word *C, const word *A, const word *B);
typedef int (CRYPTOPP_FASTCALL * PAdd)(size_t N, word *C, const word *A, const word *B);
typedef void (* PMul)(word *C, const word *A, const word *B);
typedef void (* PSqu)(word *C, const word *A);
typedef void (* PMulTop)(word *C, const word *A, const word *B, word L);
@ -1999,7 +1999,7 @@ static void SetFunctionPointers()
}
}
inline word Add(word *C, const word *A, const word *B, size_t N)
inline int Add(word *C, const word *A, const word *B, size_t N)
{
#if CRYPTOPP_INTEGER_SSE2
return s_pAdd(N, C, A, B);
@ -2008,7 +2008,7 @@ inline word Add(word *C, const word *A, const word *B, size_t N)
#endif
}
inline word Subtract(word *C, const word *A, const word *B, size_t N)
inline int Subtract(word *C, const word *A, const word *B, size_t N)
{
#if CRYPTOPP_INTEGER_SSE2
return s_pSub(N, C, A, B);