diff options
Diffstat (limited to 'deps/lightning/check/alux_sub.tst')
-rw-r--r-- | deps/lightning/check/alux_sub.tst | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/deps/lightning/check/alux_sub.tst b/deps/lightning/check/alux_sub.tst new file mode 100644 index 0000000..8a2838d --- /dev/null +++ b/deps/lightning/check/alux_sub.tst @@ -0,0 +1,49 @@ +#include "alu.inc" + +.code + prolog + +#define SUBX(N, I0, I1, V) ALUX(N, sub, I0, I1, V) + + /* nothing */ + SUBX(0, 0, 0, 0) +#if __WORDSIZE == 32 + /* carry */ + SUBX(1, 0x7fffffff, 0xffffffff, 0xffffffff) + /* overflow */ + SUBX(2, 0x80000000, 1, 0) + /* carry */ + SUBX(3, 0x7fffffff, 0x80000000, 0xffffffff) + /* overflow */ + SUBX(4, 0x80000000, 0x7fffffff, 0) + /* carry+overflow */ + SUBX(5, 1, 0x80000000, 0xffffffff) +#else + /* carry */ + SUBX(1, 0x7fffffff, 0xffffffff, -1) + /* nothing */ + SUBX(2, 0x80000000, 1, 0) + /* carry */ + SUBX(3, 0x7fffffff, 0x80000000, -1) + /* nothing */ + SUBX(4, 0x80000000, 0x7fffffff, 0) + /* carry */ + SUBX(5, 1, 0x80000000, -1) + /* carry */ + SUBX(6, 0x7fffffffffffffff, 0xffffffffffffffff, -1) + /* overflow */ + SUBX(7, 0x8000000000000000, 1, 0) + /* carry */ + SUBX(8, 0x7fffffffffffffff, 0x8000000000000000, -1) + /* overflow */ + SUBX(9, 0x8000000000000000, 0x7fffffffffffffff, 0) + /* carry+overflow */ + SUBX(10,1, 0x8000000000000000, -1) +#endif + + prepare + pushargi ok + ellipsis + finishi @printf + ret + epilog |