Intel i960 - Page 243

i960 Processor Compiler User's Guide
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Example 1: sf1 (Simple)
asm volatile ("mov 0,sf1");
Example 2: sf1 (Complex)
asm volatile ("mov sf1,%0; mov %1,sf1":
"=&d" (old_mask) : "dI" (new_mask));
Example 3: emul
asm("emul %1,%2,%0" : "=t" (temp) : "dI" (in1), "dI" (in2));
Example 4: synmovq
__asm__ volatile ("synmovq %2,%3" : "=m"(*IAC_dst)
: "m"(*IAC_p),"d"(IAC_dst),"d"(IAC_p)); }
Example 5: attadd
__asm__ __volatile__("atadd %4,%2,%1" : "=m"(*p),"=d"(wtmp)
: "dI"(val),"m" (*p),"d"(p));
Example 6: modpc
__asm__ __volatile__("modpc %1,%1,%0" : "=d"(new_pc)
: "dI"(mask),"0"(new_pc)));
asm Statement Syntax
asm statements have the following syntax:
asm [ volatile ] ( asm-template [ asm-interface ] ) ;
asm-template
A C language ASCII string containing
zero or more
substitution-
directives
.
substitution-directive %d where no white space follows the %,
and
d is a decimal digit.
asm-interface :[out-list][:[in-
list][:clobber-list]]
out-list output-spec [,out-list]...
in-list input-spec
[,in-list]...