From: Ilya Leoshkevich <i...@linux.ibm.com> Add a small test to prevent regressions.
Signed-off-by: Ilya Leoshkevich <i...@linux.ibm.com> Reviewed-by: Richard Henderson <richard.hender...@linaro.org> Message-ID: <20231106093605.1349201-5-...@linux.ibm.com> Signed-off-by: Thomas Huth <th...@redhat.com> (cherry picked from commit ebc14107f1f3ac1db13132cd28cf94adcd38e5d7) Signed-off-by: Michael Tokarev <m...@tls.msk.ru> diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index 3ddbde1a9d..9325944cc7 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -42,6 +42,7 @@ TESTS+=mdeb TESTS+=cgebra TESTS+=clgebr TESTS+=clc +TESTS+=laalg cdsg: CFLAGS+=-pthread cdsg: LDFLAGS+=-pthread 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