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Fix GCC version for RDSEED intrinsic (#598) 

rdseed is only available on gcc 4.8.x, not on gcc 4.7.x

Fixes:
 - http://autobuild.buildroot.org/results/9ab386124e4a09b50598c6f95ad40b25a83d227e

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
pull/600/head
Fabrice Fontaine 2018-03-10 14:38:44 +01:00 committed by Jeffrey Walton
parent 8146eda6a3
commit 95804ce572
1 changed files with 3 additions and 3 deletions
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6
rdrand.cpp
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@ -74,7 +74,7 @@
# else # else
# define GCC_RDRAND_ASM_AVAILABLE 1 # define GCC_RDRAND_ASM_AVAILABLE 1
# endif # endif
# if defined(__RDSEED__) && (CRYPTOPP_GCC_VERSION >= 40700) && !defined(__OPTIMIZE__) # if defined(__RDSEED__) && (CRYPTOPP_GCC_VERSION >= 40800) && !defined(__OPTIMIZE__)
# define ALL_RDSEED_INTRIN_AVAILABLE 1 # define ALL_RDSEED_INTRIN_AVAILABLE 1
# else # else
# define GCC_RDSEED_ASM_AVAILABLE 1 # define GCC_RDSEED_ASM_AVAILABLE 1
@ -291,7 +291,7 @@ inline void RDSEED32(void* output)
: "=a" (*reinterpret_cast<word32*>(output)) : "=a" (*reinterpret_cast<word32*>(output))
: : "cc" : : "cc"
); );
#elif defined(GCC_RDSEED_ASM_AVAILABLE) && (CRYPTOPP_GCC_VERSION >= 40700) #elif defined(GCC_RDSEED_ASM_AVAILABLE) && (CRYPTOPP_GCC_VERSION >= 40800)
__asm__ __volatile__ __asm__ __volatile__
( (
INTEL_NOPREFIX INTEL_NOPREFIX
@ -333,7 +333,7 @@ inline void RDSEED64(void* output)
: "=a" (*reinterpret_cast<word64*>(output)) : "=a" (*reinterpret_cast<word64*>(output))
: : "cc" : : "cc"
); );
#elif defined(GCC_RDSEED_ASM_AVAILABLE) && (CRYPTOPP_GCC_VERSION >= 40700) #elif defined(GCC_RDSEED_ASM_AVAILABLE) && (CRYPTOPP_GCC_VERSION >= 40800)
__asm__ __volatile__ __asm__ __volatile__
( (
INTEL_NOPREFIX INTEL_NOPREFIX