diff options
Diffstat (limited to 'tcg/tcg.h')
-rw-r--r-- | tcg/tcg.h | 17 |
1 files changed, 17 insertions, 0 deletions
@@ -302,16 +302,33 @@ static inline TCGCond tcg_swap_cond(TCGCond c) return c & 6 ? (TCGCond)(c ^ 9) : c; } +/* Create an "unsigned" version of a "signed" comparison. */ static inline TCGCond tcg_unsigned_cond(TCGCond c) { return c & 2 ? (TCGCond)(c ^ 6) : c; } +/* Must a comparison be considered unsigned? */ static inline bool is_unsigned_cond(TCGCond c) { return (c & 4) != 0; } +/* Create a "high" version of a double-word comparison. + This removes equality from a LTE or GTE comparison. */ +static inline TCGCond tcg_high_cond(TCGCond c) +{ + switch (c) { + case TCG_COND_GE: + case TCG_COND_LE: + case TCG_COND_GEU: + case TCG_COND_LEU: + return (TCGCond)(c ^ 8); + default: + return c; + } +} + #define TEMP_VAL_DEAD 0 #define TEMP_VAL_REG 1 #define TEMP_VAL_MEM 2 |