Returns the condition as if with swapped comparison operands.
---
tcg/tcg.h | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
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);
--
1.6.6
