motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-05 16:53:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

CRIS testsuite, based on the SIM testsuite, by Edgar E. Iglesias.

Browse source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3365 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-10-08 13:32:20 +00:00
parent 83fa1010ae
commit dd43edf4e1
103 changed files with 7014 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

49
tests/cris/check_lz.c Normal file
View file

@ -0,0 +1,49 @@
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "sys.h"
extern inline int cris_lz(int x)
{
int r;
asm ("lz\t%1, %0\n" : "=r" (r) : "r" (x));
return r;
}
void check_lz(void)
{
int i;
if (cris_lz(0) != 32)
err();
if (cris_lz(1) != 31)
err();
if (cris_lz(2) != 30)
err();
if (cris_lz(4) != 29)
err();
if (cris_lz(8) != 28)
err();
/* try all positions with a single bit. */
for (i = 1; i < 32; i++) {
if (cris_lz(1 << (i-1)) != (32 - i))
err();
}
/* try all positions with all bits. */
for (i = 1; i < 32; i++) {
/* split up this computation to clarify it. */
uint32_t val;
val = (unsigned int)-1 >> (32 - i);
if (cris_lz(val) != (32 - i))
err();
}
}
int main(void)
{
check_lz();
pass();
exit(0);
}