Message ID | eb72f2f72a369835ba32ef26ee2ead895fd78549.1265751626.git.rth@twiddle.net |
---|---|
State | New |
Headers | show |
diff --git a/tcg/tcg.h b/tcg/tcg.h index b218abe..563eccd 100644 --- a/tcg/tcg.h +++ b/tcg/tcg.h @@ -205,11 +205,19 @@ typedef enum { TCG_COND_GTU, } TCGCond; +/* Invert the sense of the comparison. */ static inline TCGCond tcg_invert_cond(TCGCond c) { return (TCGCond)(c ^ 1); } +/* Swap the operands in a comparison. */ +static inline TCGCond tcg_swap_cond(TCGCond c) +{ + int mask = (c < TCG_COND_LT ? 0 : c < TCG_COND_LTU ? 7 : 15); + return (TCGCond)(c ^ mask); +} + static inline TCGCond tcg_unsigned_cond(TCGCond c) { return (c >= TCG_COND_LT && c <= TCG_COND_GT ? c + 4 : c);