diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index a6062b5c07..9c0e70c6ca 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -75,6 +75,7 @@ ifneq ($(CROSS_CC_HAS_Z15),) Z15_TESTS=vxeh2_vs Z15_TESTS+=vxeh2_vcvt Z15_TESTS+=vxeh2_vlstr +Z15_TESTS+=vxeh2_vstrs $(Z15_TESTS): CFLAGS+=-march=z15 -O2 TESTS+=$(Z15_TESTS) endif diff --git a/tests/tcg/s390x/vxeh2_vstrs.c b/tests/tcg/s390x/vxeh2_vstrs.c new file mode 100644 index 0000000000..313ec1d728 --- /dev/null +++ b/tests/tcg/s390x/vxeh2_vstrs.c @@ -0,0 +1,88 @@ +/* + * Test the VSTRS instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include +#include +#include +#include "vx.h" + +static inline __attribute__((__always_inline__)) int +vstrs(S390Vector *v1, const S390Vector *v2, const S390Vector *v3, + const S390Vector *v4, const uint8_t m5, const uint8_t m6) +{ + int cc; + + asm("vstrs %[v1],%[v2],%[v3],%[v4],%[m5],%[m6]\n" + "ipm %[cc]" + : [v1] "=v" (v1->v) + , [cc] "=r" (cc) + : [v2] "v" (v2->v) + , [v3] "v" (v3->v) + , [v4] "v" (v4->v) + , [m5] "i" (m5) + , [m6] "i" (m6) + : "cc"); + + return (cc >> 28) & 3; +} + +static void test_ignored_match(void) +{ + S390Vector v1; + S390Vector v2 = {.d[0] = 0x222000205e410000ULL, .d[1] = 0}; + S390Vector v3 = {.d[0] = 0x205e410000000000ULL, .d[1] = 0}; + S390Vector v4 = {.d[0] = 3, .d[1] = 0}; + + assert(vstrs(&v1, &v2, &v3, &v4, 0, 2) == 1); + assert(v1.d[0] == 16); + assert(v1.d[1] == 0); +} + +static void test_empty_needle(void) +{ + S390Vector v1; + S390Vector v2 = {.d[0] = 0x5300000000000000ULL, .d[1] = 0}; + S390Vector v3 = {.d[0] = 0, .d[1] = 0}; + S390Vector v4 = {.d[0] = 0, .d[1] = 0}; + + assert(vstrs(&v1, &v2, &v3, &v4, 0, 0) == 2); + assert(v1.d[0] == 0); + assert(v1.d[1] == 0); +} + +static void test_max_length(void) +{ + S390Vector v1; + S390Vector v2 = {.d[0] = 0x1122334455667700ULL, .d[1] = 0}; + S390Vector v3 = {.d[0] = 0, .d[1] = 0}; + S390Vector v4 = {.d[0] = 16, .d[1] = 0}; + + assert(vstrs(&v1, &v2, &v3, &v4, 0, 0) == 3); + assert(v1.d[0] == 7); + assert(v1.d[1] == 0); +} + +static void test_no_match(void) +{ + S390Vector v1; + S390Vector v2 = {.d[0] = 0xffffff000fffff00ULL, .d[1] = 0x82b}; + S390Vector v3 = {.d[0] = 0xfffffffeffffffffULL, + .d[1] = 0xffffffff00000000ULL}; + S390Vector v4 = {.d[0] = 11, .d[1] = 0}; + + assert(vstrs(&v1, &v2, &v3, &v4, 0, 2) == 1); + assert(v1.d[0] == 16); + assert(v1.d[1] == 0); +} + +int main(void) +{ + test_ignored_match(); + test_empty_needle(); + test_max_length(); + test_no_match(); + return EXIT_SUCCESS; +}