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fixed ftm/MULX crash with --enable-debug, missing register def in inline asm destroying registers

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This commit is contained in:
Takashi Kojo
2015-03-29 19:50:32 +09:00
parent bd5fc1712f
commit 57d766f1eb
1 changed files with 3 additions and 4 deletions
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7
wolfcrypt/src/asm.c
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@ -245,8 +245,7 @@ __asm__( \
\ \
:"=r"(_c), "=r"(cy) \ :"=r"(_c), "=r"(cy) \
: "0"(_c), "1"(cy), "g"(mu), "r"(tmpm)\ : "0"(_c), "1"(cy), "g"(mu), "r"(tmpm)\
: "%rax", "%rdx", "%r10", "%r11", "cc") : "%rax", "%rdx", "%r10", "%r11", "cc")\
#define PROPCARRY \ #define PROPCARRY \
__asm__( \ __asm__( \
@ -1244,11 +1243,11 @@ __asm__( \
"movq %1, %%r8\n\t" \ "movq %1, %%r8\n\t" \
"adox %%r10, %0\n\t"\ "adox %%r10, %0\n\t"\
"adcx %%r10, %1\n\t"\ "adcx %%r10, %1\n\t"\
:"+r"(c0),"+r"(c1)::"%r8","%r9","%r10") ; :"+r"(c0),"+r"(c1)::"%r8","%r9","%r10","%rdx") ;
#define MULADD_SET_A(a0)\ #define MULADD_SET_A(a0)\
__asm__ volatile("add $0, %%r8\n\t" \ __asm__ volatile("add $0, %%r8\n\t" \
"movq %0,%%rdx\n\t"::"r"(a0):"%r8","%rdx") ; \ "movq %0,%%rdx\n\t"::"r"(a0):"%r8","%r9","%r10","%rdx") ; \
#define MULADD_BODY(a,b,c)\ #define MULADD_BODY(a,b,c)\
cp = &(c->dp[iz]) ;\ cp = &(c->dp[iz]) ;\