diff options
Diffstat (limited to 'qemu/tests/tcg/openrisc/test_addc.c')
-rw-r--r-- | qemu/tests/tcg/openrisc/test_addc.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/qemu/tests/tcg/openrisc/test_addc.c b/qemu/tests/tcg/openrisc/test_addc.c new file mode 100644 index 000000000..a8f756a69 --- /dev/null +++ b/qemu/tests/tcg/openrisc/test_addc.c @@ -0,0 +1,40 @@ +#include <stdio.h> + +int main(void) +{ + int a, b, c; + int result; + + b = 0x01; + c = 0xffffffff; + result = 0; + __asm + ("l.add r1, r1, r0\n\t" /* clear carry */ + "l.addc %0, %1, %2\n\t" + : "=r"(a) + : "r"(b), "r"(c) + ); + if (a != result) { + printf("first addc error\n"); + return -1; + } + + b = 0x01; + c = 0xffffffff; + result = 0x80000001; + __asm + ("l.add r1, r1, r0\n\t" /* clear carry */ + "l.addc %0, %1, %2\n\t" + "l.movhi %2, 0x7fff\n\t" + "l.ori %2, %2, 0xffff\n\t" + "l.addc %0, %1, %2\n\t" + : "=r"(a) + : "r"(b), "r"(c) + ); + if (a != result) { + printf("addc error\n"); + return -1; + } + + return 0; +} |