From: "Andrea Pretto" <andrea_pretto@yahoo.it>
To: gcc-help@gcc.gnu.org
Subject: Re:Re: help with MMX and inline asm (all ok)
Date: Fri, 09 Apr 2004 09:09:00 -0000 [thread overview]
Message-ID: <20040409090946.64151.qmail@web60201.mail.yahoo.com> (raw)
All ok
----------------------------------------------------
#include <stdio.h>
//file: mmx.c
// gcc -o mmx -Wall -mmmx mmx.c ( it run also without
-mmmx flag)
int main ( void ){
int v[2] = { 5, 8};
int t[2] = { 6, 17};
int r[2] = { 0, 0};
printf("V: %i %i\n",v[0], v[1]);
printf("T: %i %i\n",t[0], t[1]);
printf("R: %i %i\n",r[0], r[1]);
asm (
"movq %0 , %%mm1\n\t"
"movq %1 , %%mm0\n\t"
"paddd %%mm0, %%mm1\n\t"
"movq %%mm1, %2\n\t"
:"=m" (v[0]) // %0 first array
:"m" (t[0]), // %1 second array
"m" (r[0]) // %2 result
);
printf("\n\nV: %i %i\n",v[0], v[1]);
printf("T: %i %i\n",t[0], t[1]);
printf("R: %i %i\n",r[0], r[1]);
return 0;
}
-----------------------------------------------
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next reply other threads:[~2004-04-09 9:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-09 9:09 Andrea Pretto [this message]
2004-04-09 13:54 ` Ian Lance Taylor
2004-04-10 11:27 Andrea Pretto
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