{ FS_OPT_AND, "algebraic simplification: a & 0b1...1 = 0b1...1 & a = a & a = (a|X) & a = a" },
{ FS_OPT_TO_EOR, "algebraic simplification: (a|b) & ~(a&b) = a^b" },
{ FS_OPT_EOR_A_A, "algebraic simplification: a ^ a = 0" },
- { FS_OPT_EOR_TO_NOT_BOOL,"algebraic simplification: bool ^ 1 = !bool" },
+ { FS_OPT_EOR_A_B_A, "algebraic simplification: (a ^ b) ^ a = b" },
+ { FS_OPT_EOR_TO_NOT_BOOL,"boolean simplification: bool ^ 1 = !bool" },
{ FS_OPT_EOR_TO_NOT, "algebraic simplification: x ^ 0b1..1 = ~x, (a ^ b) & b = ~a & b" },
{ FS_OPT_NOT_CMP, "algebraic simplification: !(a cmp b) = a !cmp b" },
- { FS_OPT_OR_SHFT_TO_ROT, "algebraic simplification: (x << c) | (x >> (bits - c)) == Rot(x, c)" },
+ { FS_OPT_OR_SHFT_TO_ROTL,"algebraic simplification: (x << c) | (x >> (bits - c)) == Rotl(x, c)" },
{ FS_OPT_REASSOC_SHIFT, "algebraic simplification: (x SHF c1) SHF c2 = x SHF (c1+c2)" },
{ FS_OPT_SHIFT_AND, "algebraic simplification: (a SHF c) AND (b SHF c) = (a AND b) SHF c" },
{ FS_OPT_SHIFT_OR, "algebraic simplification: (a SHF c) OR (b SHF c) = (a OR b) SHF c" },
{ FS_OPT_CONV, "algebraic simplification: Conv could be removed" },
{ FS_OPT_CAST, "algebraic simplification: a Cast could be removed" },
{ FS_OPT_MIN_MAX_EQ, "algebraic simplification: Min(a,a) = Max(a,a) = a" },
+ { FS_OPT_MUX_BOOL, "boolean simplification: Muxb(sel, true, false) = sel" },
+ { FS_OPT_MUX_NOT_BOOL, "boolean simplification: Muxb(sel, false, true) = Not(sel)" },
+ { FS_OPT_MUX_OR_BOOL, "boolean simplification: Muxb(sel, true, x) = Or(sel, x)" },
+ { FS_OPT_MUX_ORNOT_BOOL, "boolean simplification: Muxb(sel, x, true) = Or(Not(sel), x)" },
+ { FS_OPT_MUX_AND_BOOL, "boolean simplification: Muxb(sel, x, false) = And(sel, x)" },
+ { FS_OPT_MUX_ANDNOT_BOOL,"boolean simplification: Muxb(sel, false, x) = And(Not(sel), x)" },
{ FS_OPT_MUX_C, "algebraic simplification: Mux(C, f, t) = C ? t : f" },
{ FS_OPT_MUX_EQ, "algebraic simplification: Mux(v, x, x) = x" },
{ FS_OPT_MUX_TRANSFORM, "algebraic simplification: Mux(a, b, c) = b OR Mux(a,b, c) = c" },