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Move Power8 SHA tests into ppc_power8.cpp

pull/748/head
Jeffrey Walton 2018-11-22 22:41:56 -05:00
parent 2b5bea7b12
commit bc63a78b69
No known key found for this signature in database
GPG Key ID: B36AB348921B1838
2 changed files with 100 additions and 100 deletions
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110
ppc_power8.cpp
View File

@ -38,6 +38,7 @@ extern "C" {
#endif // CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY
#if (CRYPTOPP_BOOL_PPC32 || CRYPTOPP_BOOL_PPC64)
bool CPU_ProbePower8()
{
#if defined(CRYPTOPP_NO_CPU_FEATURE_PROBES)
@ -65,17 +66,17 @@ bool CPU_ProbePower8()
const word64 x = W64LIT(0xffffffffffffffff);
word64 w1[2] = {x, x}, w2[2] = {4, 6}, w3[2];
// Specifically call the VSX loads and stores
// Specifically call the VSX loads and stores with 64-bit types
#if defined(__ibmxl__) || (defined(_AIX) && defined(__xlC__))
const uint64x2_p v1 = (uint64x2_p)vec_xl(0, (byte*)w1);
const uint64x2_p v2 = (uint64x2_p)vec_xl(0, (byte*)w2);
const uint64x2_p v3 = VecAdd(v1, v2); // 64-bit add
vec_xst((uint8x16_p)v3, 0, (byte*)w3);
const uint64x2_p v1 = vec_xl(0, w1);
const uint64x2_p v2 = vec_xl(0, w2);
const uint64x2_p v3 = vec_add(v1, v2); // 64-bit add
vec_xst(v3, 0, w3);
#else
const uint64x2_p v1 = (uint64x2_p)vec_vsx_ld(0, (byte*)w1);
const uint64x2_p v2 = (uint64x2_p)vec_vsx_ld(0, (byte*)w2);
const uint64x2_p v3 = VecAdd(v1, v2); // 64-bit add
vec_vsx_st((uint8x16_p)v3, 0, (byte*)w3);
const uint64x2_p v1 = vec_vsx_ld(0, w1);
const uint64x2_p v2 = vec_vsx_ld(0, w2);
const uint64x2_p v3 = vec_add(v1, v2); // 64-bit add
vec_vsx_st(v3, 0, (byte*)w3);
#endif
// Relies on integer wrap
@ -95,7 +96,7 @@ bool CPU_ProbeAES()
{
#if defined(CRYPTOPP_NO_CPU_FEATURE_PROBES)
return false;
#elif (__CRYPTO__)
#elif (__CRYPTO__) && defined(CRYPTOPP_POWER8_AES_AVAILABLE)
# if defined(CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY)
// longjmp and clobber warnings. Volatile is required.
@ -139,6 +140,95 @@ bool CPU_ProbeAES()
return false;
#endif // __CRYPTO__
}
bool CPU_ProbeSHA256()
{
#if defined(CRYPTOPP_NO_CPU_FEATURE_PROBES)
return false;
#elif (__CRYPTO__) && defined(CRYPTOPP_POWER8_SHA_AVAILABLE)
# if defined(CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY)
// longjmp and clobber warnings. Volatile is required.
// http://github.com/weidai11/cryptopp/issues/24 and http://stackoverflow.com/q/7721854
volatile int result = false;
volatile SigHandler oldHandler = signal(SIGILL, SigIllHandler);
if (oldHandler == SIG_ERR)
return false;
volatile sigset_t oldMask;
if (sigprocmask(0, NULLPTR, (sigset_t*)&oldMask))
return false;
if (setjmp(s_jmpSIGILL))
result = false;
else
{
byte r[16], z[16] = {0};
uint8x16_p x = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
x = VecSHA256<0,0>(x);
x = VecSHA256<0,1>(x);
x = VecSHA256<1,0>(x);
x = VecSHA256<1,1>(x);
VecStore(x, r);
result = (0 == std::memcmp(r, z, 16));
}
sigprocmask(SIG_SETMASK, (sigset_t*)&oldMask, NULLPTR);
signal(SIGILL, oldHandler);
return result;
# endif
#else
return false;
#endif // CRYPTOPP_ALTIVEC_AVAILABLE
}
bool CPU_ProbeSHA512()
{
#if defined(CRYPTOPP_NO_CPU_FEATURE_PROBES)
return false;
#elif (__CRYPTO__) && defined(CRYPTOPP_POWER8_SHA_AVAILABLE)
# if defined(CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY)
// longjmp and clobber warnings. Volatile is required.
// http://github.com/weidai11/cryptopp/issues/24 and http://stackoverflow.com/q/7721854
volatile int result = false;
volatile SigHandler oldHandler = signal(SIGILL, SigIllHandler);
if (oldHandler == SIG_ERR)
return false;
volatile sigset_t oldMask;
if (sigprocmask(0, NULLPTR, (sigset_t*)&oldMask))
return false;
if (setjmp(s_jmpSIGILL))
result = false;
else
{
byte r[16], z[16] = {0};
uint8x16_p x = ((uint8x16_p){0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0});
x = VecSHA512<0,0>(x);
x = VecSHA512<0,1>(x);
x = VecSHA512<1,0>(x);
x = VecSHA512<1,1>(x);
VecStore(x, r);
result = (0 == std::memcmp(r, z, 16));
}
sigprocmask(SIG_SETMASK, (sigset_t*)&oldMask, NULLPTR);
signal(SIGILL, oldHandler);
return result;
# endif
#else
return false;
#endif // CRYPTOPP_POWER8_AVAILABLE
}
#endif // PPC32 or PPC64
NAMESPACE_END

90
sha_simd.cpp
View File

@ -197,96 +197,6 @@ bool CPU_ProbeSHA2()
}
#endif // ARM32 or ARM64
#if (CRYPTOPP_BOOL_PPC32 || CRYPTOPP_BOOL_PPC64)
bool CPU_ProbeSHA256()
{
#if defined(CRYPTOPP_NO_CPU_FEATURE_PROBES)
return false;
#elif (CRYPTOPP_POWER8_AVAILABLE)
# if defined(CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY)
// longjmp and clobber warnings. Volatile is required.
// http://github.com/weidai11/cryptopp/issues/24 and http://stackoverflow.com/q/7721854
volatile int result = false;
volatile SigHandler oldHandler = signal(SIGILL, SigIllHandler);
if (oldHandler == SIG_ERR)
return false;
volatile sigset_t oldMask;
if (sigprocmask(0, NULLPTR, (sigset_t*)&oldMask))
return false;
if (setjmp(s_jmpSIGILL))
result = false;
else
{
byte r[16], z[16] = {0};
uint8x16_p x = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
x = VecSHA256<0,0>(x);
x = VecSHA256<0,1>(x);
x = VecSHA256<1,0>(x);
x = VecSHA256<1,1>(x);
VecStore(x, r);
result = (0 == std::memcmp(r, z, 16));
}
sigprocmask(SIG_SETMASK, (sigset_t*)&oldMask, NULLPTR);
signal(SIGILL, oldHandler);
return result;
# endif
#else
return false;
#endif // CRYPTOPP_ALTIVEC_AVAILABLE
}
bool CPU_ProbeSHA512()
{
#if defined(CRYPTOPP_NO_CPU_FEATURE_PROBES)
return false;
#elif (CRYPTOPP_POWER8_AVAILABLE)
# if defined(CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY)
// longjmp and clobber warnings. Volatile is required.
// http://github.com/weidai11/cryptopp/issues/24 and http://stackoverflow.com/q/7721854
volatile int result = false;
volatile SigHandler oldHandler = signal(SIGILL, SigIllHandler);
if (oldHandler == SIG_ERR)
return false;
volatile sigset_t oldMask;
if (sigprocmask(0, NULLPTR, (sigset_t*)&oldMask))
return false;
if (setjmp(s_jmpSIGILL))
result = false;
else
{
byte r[16], z[16] = {0};
uint8x16_p x = ((uint8x16_p){0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0});
x = VecSHA512<0,0>(x);
x = VecSHA512<0,1>(x);
x = VecSHA512<1,0>(x);
x = VecSHA512<1,1>(x);
VecStore(x, r);
result = (0 == std::memcmp(r, z, 16));
}
sigprocmask(SIG_SETMASK, (sigset_t*)&oldMask, NULLPTR);
signal(SIGILL, oldHandler);
return result;
# endif
#else
return false;
#endif // CRYPTOPP_POWER8_AVAILABLE
}
#endif // PPC32 or PPC64
// ***************** Intel x86 SHA ********************
/////////////////////////////////////