qemu/tests/tcg/s390x/mie3-mvcrl.c
David Miller 8b398296d4 tests/tcg/s390x: Cleanup of mie3 tests.
Adds clobbers and merges remaining separate asm statements.

Signed-off-by: David Miller <dmiller423@gmail.com>
Message-Id: <20220301214305.2778-1-dmiller423@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[thuth: dropped changes to mie3-compl.c, whitespace fixes]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-03-07 09:44:07 +01:00

30 lines
615 B
C

#include <stdint.h>
#include <string.h>
static inline void mvcrl_8(const char *dst, const char *src)
{
asm volatile (
"llill %%r0, 8\n"
".insn sse, 0xE50A00000000, 0(%[dst]), 0(%[src])"
: : [dst] "d" (dst), [src] "d" (src)
: "r0", "memory");
}
int main(int argc, char *argv[])
{
const char *alpha = "abcdefghijklmnop";
/* array missing 'i' */
char tstr[17] = "abcdefghjklmnop\0" ;
/* mvcrl reference use: 'open a hole in an array' */
mvcrl_8(tstr + 9, tstr + 8);
/* place missing 'i' */
tstr[8] = 'i';
return strncmp(alpha, tstr, 16ul);
}