mirror of
https://github.com/qemu/qemu.git
synced 2024-12-11 20:53:51 +08:00
da1a4cef9e
Helper function for dpa_w_ph, dpax_w_ph, dps_w_ph and dpsx_w_ph incorrectly defines halfword vector elements as unsigned values. This results in wrong output which is not triggered in the tests as they also follow this logic. Signed-off-by: Petar Jovanovic <petarj@mips.com> Reviewed-by: Eric Johnson <ericj@mips.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
28 lines
529 B
C
28 lines
529 B
C
#include<stdio.h>
|
|
#include<assert.h>
|
|
|
|
int main()
|
|
{
|
|
int rs, rt;
|
|
int ach = 5, acl = 5;
|
|
int resulth, resultl;
|
|
|
|
rs = 0xBC0123AD;
|
|
rt = 0x01643721;
|
|
resulth = 0x05;
|
|
resultl = 0xE72F050;
|
|
__asm
|
|
("mthi %0, $ac1\n\t"
|
|
"mtlo %1, $ac1\n\t"
|
|
"dpsx.w.ph $ac1, %2, %3\n\t"
|
|
"mfhi %0, $ac1\n\t"
|
|
"mflo %1, $ac1\n\t"
|
|
: "+r"(ach), "+r"(acl)
|
|
: "r"(rs), "r"(rt)
|
|
);
|
|
assert(ach == resulth);
|
|
assert(acl == resultl);
|
|
|
|
return 0;
|
|
}
|