Compensate inline assembler in sha512.c for gcc 2.7.2 compiler bug.

PR: 1667
This commit is contained in:
Andy Polyakov 2008-04-24 09:59:45 +00:00
parent 830b8877ba
commit 281066cb03

View File

@ -364,19 +364,19 @@ static const SHA_LONG64 K512[80] = {
# elif (defined(__i386) || defined(__i386__)) && !defined(B_ENDIAN)
# if defined(I386_ONLY)
# define PULL64(x) ({ const unsigned int *p=(const unsigned int *)(&(x));\
unsigned int hi,lo; \
unsigned int hi=p[0],lo=p[1]; \
asm("xchgb %%ah,%%al;xchgb %%dh,%%dl;"\
"roll $16,%%eax; roll $16,%%edx; "\
"xchgb %%ah,%%al;xchgb %%dh,%%dl;" \
: "=a"(lo),"=d"(hi) \
: "0"(p[1]),"1"(p[0]) : "cc"); \
: "0"(lo),"1"(hi) : "cc"); \
((SHA_LONG64)hi)<<32|lo; })
# else
# define PULL64(x) ({ const unsigned int *p=(const unsigned int *)(&(x));\
unsigned int hi,lo; \
unsigned int hi=p[0],lo=p[1]; \
asm ("bswapl %0; bswapl %1;" \
: "=r"(lo),"=r"(hi) \
: "0"(p[1]),"1"(p[0])); \
: "0"(lo),"1"(hi)); \
((SHA_LONG64)hi)<<32|lo; })
# endif
# elif (defined(_ARCH_PPC) && defined(__64BIT__)) || defined(_ARCH_PPC64)