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Fix bad GCC code generation with -Os 

It appears GCC was doing something wonky with the call to RDSEED. The test script was experiencing a hang
pull/416/head
Jeffrey Walton 2017-05-09 22:47:14 -04:00
parent 0cbaea0428
commit 5c42ec96f2
No known key found for this signature in database
GPG Key ID: B36AB348921B1838
1 changed files with 12 additions and 12 deletions
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24
rdrand.cpp
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@ -122,7 +122,7 @@ NAMESPACE_BEGIN(CryptoPP)
inline void RDRAND32(void* output)
{
#if defined(__SUNPRO_CC)
__asm__
__asm__ __volatile__
(
"1:\n"
".byte 0x0f, 0xc7, 0xf0;\n"
@ -131,7 +131,7 @@ inline void RDRAND32(void* output)
: : "cc"
);
#elif defined(GCC_RDRAND_ASM_AVAILABLE) && (CRYPTOPP_GCC_VERSION >= 40600)
__asm__
__asm__ __volatile__
(
INTEL_NOPREFIX
ASL(1)
@ -142,7 +142,7 @@ inline void RDRAND32(void* output)
: : "cc"
);
#elif defined(GCC_RDRAND_ASM_AVAILABLE) && (CRYPTOPP_GCC_VERSION >= 30200)
__asm__
__asm__ __volatile__
(
"1:\n"
".byte 0x0f, 0xc7, 0xf0;\n"
@ -164,7 +164,7 @@ inline void RDRAND32(void* output)
inline void RDRAND64(void* output)
{
#if defined(__SUNPRO_CC) && (__SUNPRO_CC >= 0x5100)
__asm__
__asm__ __volatile__
(
"1:\n"
".byte 0x48, 0x0f, 0xc7, 0xf0;\n"
@ -173,7 +173,7 @@ inline void RDRAND64(void* output)
: : "cc"
);
#elif defined(GCC_RDRAND_ASM_AVAILABLE) && (CRYPTOPP_GCC_VERSION >= 40600)
__asm__
__asm__ __volatile__
(
INTEL_NOPREFIX
ASL(1)
@ -184,7 +184,7 @@ inline void RDRAND64(void* output)
: : "cc"
);
#elif defined(GCC_RDRAND_ASM_AVAILABLE) && (CRYPTOPP_GCC_VERSION >= 30200)
__asm__
__asm__ __volatile__
(
"1:\n"
".byte 0x48, 0x0f, 0xc7, 0xf0;\n"
@ -279,7 +279,7 @@ void RDRAND::DiscardBytes(size_t n)
inline void RDSEED32(void* output)
{
#if defined(__SUNPRO_CC)
__asm__
__asm__ __volatile__
(
"1:\n"
".byte 0x0f, 0xc7, 0xf8;\n"
@ -288,7 +288,7 @@ inline void RDSEED32(void* output)
: : "cc"
);
#elif defined(GCC_RDSEED_ASM_AVAILABLE) && (CRYPTOPP_GCC_VERSION >= 40600)
__asm__
__asm__ __volatile__
(
INTEL_NOPREFIX
ASL(1)
@ -299,7 +299,7 @@ inline void RDSEED32(void* output)
: : "cc"
);
#elif defined(GCC_RDSEED_ASM_AVAILABLE) && (CRYPTOPP_GCC_VERSION >= 30200)
__asm__
__asm__ __volatile__
(
"1:\n"
".byte 0x0f, 0xc7, 0xf8;\n"
@ -321,7 +321,7 @@ inline void RDSEED32(void* output)
inline void RDSEED64(void* output)
{
#if defined(__SUNPRO_CC) && (__SUNPRO_CC >= 0x5100)
__asm__
__asm__ __volatile__
(
"1:\n"
".byte 0x48, 0x0f, 0xc7, 0xf8;\n"
@ -330,7 +330,7 @@ inline void RDSEED64(void* output)
: : "cc"
);
#elif defined(GCC_RDSEED_ASM_AVAILABLE) && (CRYPTOPP_GCC_VERSION >= 40600)
__asm__
__asm__ __volatile__
(
INTEL_NOPREFIX
ASL(1)
@ -341,7 +341,7 @@ inline void RDSEED64(void* output)
: : "cc"
);
#elif defined(GCC_RDSEED_ASM_AVAILABLE) && (CRYPTOPP_GCC_VERSION >= 30200)
__asm__
__asm__ __volatile__
(
"1:\n"
".byte 0x48, 0x0f, 0xc7, 0xf8;\n"