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tests/tcg/s390x: Tests for Miscellaneous-Instruction-Extensions Facility 3

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tests/tcg/s390x/mie3-compl.c: [N]*K instructions
tests/tcg/s390x/mie3-mvcrl.c: MVCRL instruction
tests/tcg/s390x/mie3-sel.c: SELECT instruction

Signed-off-by: David Miller <dmiller423@gmail.com>
Message-Id: <20220223223117.66660-4-dmiller423@gmail.com>
[thuth: Squash mnemonic -> .insn patch, white space cleanup, improve asm usage]
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
David Miller 2022-02-23 17:31:16 -05:00 • committed by Thomas Huth
parent 8a4eafb69c
commit e2c3fb0699
4 changed files with 116 additions and 0 deletions
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27
tests/tcg/s390x/mie3-mvcrl.c Normal file
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#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)
: "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);
}