Test COMPARE HALFWORD RELATIVE LONG instructions. Test that the bytes following the second operand do not affect the instruction. Test the sign extension performed on the second operand.
Reviewed-by: Richard Henderson <[email protected]> Signed-off-by: Nina Schoetterl-Glausch <[email protected]> --- tests/tcg/s390x/chrl.c | 80 +++++++++++++++++++++++++++++++++ tests/tcg/s390x/Makefile.target | 1 + 2 files changed, 81 insertions(+) create mode 100644 tests/tcg/s390x/chrl.c diff --git a/tests/tcg/s390x/chrl.c b/tests/tcg/s390x/chrl.c new file mode 100644 index 0000000000..b1c3a1c561 --- /dev/null +++ b/tests/tcg/s390x/chrl.c @@ -0,0 +1,80 @@ +#include <stdlib.h> +#include <assert.h> +#include <stdint.h> + +static void test_chrl(void) +{ + uint32_t program_mask, cc; + + asm volatile ( + ".pushsection .rodata\n" + "0:\n\t" + ".short 1, 0x8000\n\t" + ".popsection\n\t" + + "chrl %[r], 0b\n\t" + "ipm %[program_mask]\n" + : [program_mask] "=r" (program_mask) + : [r] "r" (1) + ); + + cc = program_mask >> 28; + assert(!cc); + + asm volatile ( + ".pushsection .rodata\n" + "0:\n\t" + ".short -1, 0x8000\n\t" + ".popsection\n\t" + + "chrl %[r], 0b\n\t" + "ipm %[program_mask]\n" + : [program_mask] "=r" (program_mask) + : [r] "r" (-1) + ); + + cc = program_mask >> 28; + assert(!cc); +} + +static void test_cghrl(void) +{ + uint32_t program_mask, cc; + + asm volatile ( + ".pushsection .rodata\n" + "0:\n\t" + ".short 1, 0x8000, 0, 0\n\t" + ".popsection\n\t" + + "cghrl %[r], 0b\n\t" + "ipm %[program_mask]\n" + : [program_mask] "=r" (program_mask) + : [r] "r" (1L) + ); + + cc = program_mask >> 28; + assert(!cc); + + asm volatile ( + ".pushsection .rodata\n" + "0:\n\t" + ".short -1, 0x8000, 0, 0\n\t" + ".popsection\n\t" + + "cghrl %[r], 0b\n\t" + "ipm %[program_mask]\n" + : [program_mask] "=r" (program_mask) + : [r] "r" (-1L) + ); + + cc = program_mask >> 28; + assert(!cc); +} + +int main(void) +{ + test_chrl(); + test_cghrl(); + return EXIT_SUCCESS; +} diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index 72ad309b27..a3d3beeffe 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -28,6 +28,7 @@ TESTS+=div TESTS+=clst TESTS+=long-double TESTS+=cdsg +TESTS+=chrl cdsg: CFLAGS+=-pthread cdsg: LDFLAGS+=-pthread -- 2.39.1
