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Fix "impossible constraint in \\asm\" on i686 

gcm.cpp:89:50: error: impossible constraint in \\asm\
          : "=xm" (a[0]) : "xm"(b[0]), "xm"(c[0]));
pull/548/head
Jeffrey Walton 2017-11-24 05:49:56 -05:00
parent 5a577e71ac
commit c3107d2519
No known key found for this signature in database
GPG Key ID: B36AB348921B1838
2 changed files with 6 additions and 17 deletions
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7
gcm-simd.cpp
View File

@ -433,16 +433,19 @@ void GCM_ReverseHashBufferIfNeeded_PMULL(byte *hashBuffer)
#endif
#if CRYPTOPP_SSE2_INTRIN_AVAILABLE || CRYPTOPP_SSE2_ASM_AVAILABLE
# if defined (__SUNPRO_CC)
// SunCC 5.10-5.11 compiler crash. Move GCM_Xor16_SSE2 out-of-line, and place in
// a source file with a SSE architecture switch. Also see GH #226 and GH #284.
void GCM_Xor16_SSE2(byte *a, const byte *b, const byte *c)
{
# if CRYPTOPP_SSE2_ASM_AVAILABLE && defined(__GNUC__)
asm ("movdqa %1, %%xmm0; pxor %2, %%xmm0; movdqa %%xmm0, %0;"
: "=xm" (a[0]) : "xm"(b[0]), "xm"(c[0]));
# else // CRYPTOPP_SSE2_INTRIN_AVAILABLE
_mm_store_si128(M128_CAST(a), _mm_xor_si128(
_mm_load_si128(CONST_M128_CAST(b)),
_mm_load_si128(CONST_M128_CAST(c))));
}
# endif
}
#endif
#if CRYPTOPP_CLMUL_AVAILABLE

16
gcm.cpp
View File

@ -79,22 +79,8 @@ static inline void Xor16(byte *a, const byte *b, const byte *c)
#if CRYPTOPP_SSE2_INTRIN_AVAILABLE || CRYPTOPP_SSE2_ASM_AVAILABLE
// SunCC 5.10-5.11 compiler crash. Move GCM_Xor16_SSE2 out-of-line, and place in
// a source file with a SSE architecture switch. Also see GH #226 and GH #284.
# if defined (__SUNPRO_CC)
extern void GCM_Xor16_SSE2(byte *a, const byte *b, const byte *c);
# else
static inline void GCM_Xor16_SSE2(byte *a, const byte *b, const byte *c)
{
# if CRYPTOPP_SSE2_ASM_AVAILABLE && defined(__GNUC__)
asm ("movdqa %1, %%xmm0; pxor %2, %%xmm0; movdqa %%xmm0, %0;"
: "=xm" (a[0]) : "xm"(b[0]), "xm"(c[0]));
# else // CRYPTOPP_SSE2_INTRIN_AVAILABLE
_mm_store_si128(M128_CAST(a), _mm_xor_si128(
_mm_load_si128(CONST_M128_CAST(b)),
_mm_load_si128(CONST_M128_CAST(c))));
# endif
}
# endif // SunCC
#endif // SSE2
#endif // SSE2
#if CRYPTOPP_CLMUL_AVAILABLE
extern void GCM_SetKeyWithoutResync_CLMUL(const byte *hashKey, byte *mulTable, unsigned int tableSize);