diff options
Diffstat (limited to 'qemu/tests/tcg/openrisc/test_mul.c')
-rw-r--r-- | qemu/tests/tcg/openrisc/test_mul.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/qemu/tests/tcg/openrisc/test_mul.c b/qemu/tests/tcg/openrisc/test_mul.c new file mode 100644 index 000000000..130101fde --- /dev/null +++ b/qemu/tests/tcg/openrisc/test_mul.c @@ -0,0 +1,61 @@ +#include <stdio.h> + +int main(void) +{ + int a, b, c; + int result; + + b = 0x4; + c = 0x1; + result = 0x4; + __asm + ("l.mul %0, %1, %2\n\t" + : "=r"(a) + : "r"(b), "r"(c) + ); + if (a != result) { + printf("mul error\n"); + return -1; + } + + b = 0x1; + c = 0x0; + result = 0x0; + __asm + ("l.mul %0, %1, %2\n\t" + : "=r"(a) + : "r"(b), "r"(c) + ); + if (a != result) { + printf("mul error\n"); + return -1; + } + + b = 0x1; + c = 0xff; + result = 0xff; + __asm + ("l.mul %0, %1, %2\n\t" + : "=r"(a) + : "r"(b), "r"(c) + ); + if (a != result) { + printf("mul error\n"); + return -1; + } + + b = 0x7fffffff; + c = 0x2; + result = 0xfffffffe; + __asm + ("l.mul %0, %1, %2\n\t" + : "=r"(a) + : "r"(b), "r"(c) + ); + if (a != result) { + printf("mul error\n"); + return -1; + } + + return 0; +} |