From 410791228c415c0e4f76e6cafae7c82fae7cb8cb Mon Sep 17 00:00:00 2001 From: Nina Schoetterl-Glausch Date: Fri, 10 Mar 2023 12:41:57 +0100 Subject: tests/tcg/s390x: Add C(G)HRL test 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. Signed-off-by: Nina Schoetterl-Glausch Reviewed-by: Richard Henderson Reviewed-by: David Hildenbrand Message-Id: <20230310114157.3024170-3-nsg@linux.ibm.com> Signed-off-by: Thomas Huth --- tests/tcg/s390x/Makefile.target | 1 + tests/tcg/s390x/chrl.c | 80 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 81 insertions(+) create mode 100644 tests/tcg/s390x/chrl.c (limited to 'tests/tcg') diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index b7f576f..cf93b96 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 diff --git a/tests/tcg/s390x/chrl.c b/tests/tcg/s390x/chrl.c new file mode 100644 index 0000000..b1c3a1c --- /dev/null +++ b/tests/tcg/s390x/chrl.c @@ -0,0 +1,80 @@ +#include +#include +#include + +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; +} -- cgit v1.1