From: Ilya Leoshkevich <[email protected]> Add a small test to prevent regressions.
Signed-off-by: Ilya Leoshkevich <[email protected]> Reviewed-by: Richard Henderson <[email protected]> Message-ID: <[email protected]> Signed-off-by: Thomas Huth <[email protected]> (cherry picked from commit ebc14107f1f3ac1db13132cd28cf94adcd38e5d7) Signed-off-by: Michael Tokarev <[email protected]> (Mjt: context fix in tests/tcg/s390x/Makefile.target) diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index cb90d4183d..ea9fa67152 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -24,6 +24,7 @@ TESTS+=trap TESTS+=signals-s390x TESTS+=branch-relative-long TESTS+=noexec +TESTS+=laalg Z13_TESTS=vistr Z13_TESTS+=lcbb diff --git a/tests/tcg/s390x/laalg.c b/tests/tcg/s390x/laalg.c new file mode 100644 index 0000000000..797d168bb1 --- /dev/null +++ b/tests/tcg/s390x/laalg.c @@ -0,0 +1,27 @@ +/* + * Test the LAALG instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include <assert.h> +#include <stdlib.h> + +int main(void) +{ + unsigned long cc = 0, op1, op2 = 40, op3 = 2; + + asm("slgfi %[cc],1\n" /* Set cc_src = -1. */ + "laalg %[op1],%[op3],%[op2]\n" + "ipm %[cc]" + : [cc] "+r" (cc) + , [op1] "=r" (op1) + , [op2] "+T" (op2) + : [op3] "r" (op3) + : "cc"); + + assert(cc == 0xffffffff10ffffff); + assert(op1 == 40); + assert(op2 == 42); + + return EXIT_SUCCESS; +} -- 2.39.2
