* extended asm
@ 2004-07-24 9:30 Ankit Jain
0 siblings, 0 replies; only message in thread
From: Ankit Jain @ 2004-07-24 9:30 UTC (permalink / raw)
To: gcc
asm ("leal (%1,%1,4), %0"
: "=r" (x)
: "0" (x) );
till now i was in kowledge that there is somewhat
input and output operand. but i am not able to
understand what this could mean?
asm("movb %3,%0":"=r"(x),"=r"(y):"r"(a),"r"(b));
now what should technically happen is the value in b
should move to x but the fun part is y is also
initialised by same value. why is it so and from where
this value comes from
ankit
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2004-07-24 9:30 extended asm Ankit Jain
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