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#include "alu.inc"
.code
prolog
#define SUB(N, I0, I1, V) ALU(N, , sub, I0, I1, V)
SUB(0, 0x7fffffff, 1, 0x7ffffffe)
SUB(2, 0x80000000, 1, 0x7fffffff)
SUB(3, 0x80000000, 0x7fffffff, 1)
SUB(4, 0xffffffff, 0xffffffff, 0)
SUB(5, 0xffffffff, 0x7fffffff, 0x80000000)
SUB(6, 0x7fffffff, 0, 0x7fffffff)
#if __WORDSIZE == 32
SUB(7, 1, 0x7fffffff, 0x80000002)
SUB(8, 1, 0x80000000, 0x80000001)
SUB(9, 0x7fffffff, 0x80000000, 0xffffffff)
SUB(10, 0x7fffffff, 0xffffffff, 0x80000000)
SUB(11, 0, 0x7fffffff, 0x80000001)
#else
SUB(7, 1, 0x7fffffff, 0xffffffff80000002)
SUB(8, 1, 0xffffffff80000000, 0x80000001)
SUB(9, 0x7fffffff, 0xffffffff80000000, 0xffffffff)
SUB(10, 0xffffffff7fffffff, 0xffffffffffffffff, 0xffffffff80000000)
SUB(11, 0, 0x7fffffff, 0xffffffff80000001)
SUB(12, 0x7fffffffffffffff, 1, 0x7ffffffffffffffe)
SUB(13, 1, 0x7fffffffffffffff, 0x8000000000000002)
SUB(14, 0x8000000000000000, 1, 0x7fffffffffffffff)
SUB(15, 1, 0x8000000000000000, 0x8000000000000001)
SUB(16, 0x7fffffffffffffff, 0x8000000000000000, 0xffffffffffffffff)
SUB(17, 0x8000000000000000, 0x7fffffffffffffff, 1)
SUB(18, 0x7fffffffffffffff, 0xffffffffffffffff, 0x8000000000000000)
SUB(19, 0xffffffffffffffff, 0x7fffffffffffffff, 0x8000000000000000)
SUB(20, 0xffffffffffffffff, 0xffffffffffffffff, 0)
#endif
#undef SUB
#define SUB(N, T, I0, I1, V) FOP(N, T, sub, I0, I1, V)
SUB(0, _f, -0.5, 0.5, -1.0)
SUB(1, _f, 0.25, 0.75, -0.5)
SUB(0, _d, -0.5, 0.5, -1.0)
SUB(1, _d, 0.25, 0.75, -0.5)
prepare
pushargi ok
ellipsis
finishi @printf
ret
epilog
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