Commit e24a79d7 authored by yb9976's avatar yb9976
Browse files

Added and improved comments.

parent 74b0582b
...@@ -3119,7 +3119,7 @@ static void find_const_transform(x86_condition_code_t cc, ...@@ -3119,7 +3119,7 @@ static void find_const_transform(x86_condition_code_t cc,
f = tmp; f = tmp;
cc = x86_negate_condition_code(cc); cc = x86_negate_condition_code(cc);
} else if (tarval_cmp(t, f) == ir_relation_less) { } else if (tarval_cmp(t, f) == ir_relation_less) {
// now, t is the bigger one // Ensure that t is the bigger one
ir_tarval *tmp = t; ir_tarval *tmp = t;
t = f; t = f;
f = tmp; f = tmp;
...@@ -3127,6 +3127,7 @@ static void find_const_transform(x86_condition_code_t cc, ...@@ -3127,6 +3127,7 @@ static void find_const_transform(x86_condition_code_t cc,
} }
res->cc = cc; res->cc = cc;
/* Normalize f to zero. */
if (!tarval_is_null(f)) { if (!tarval_is_null(f)) {
ir_tarval *t_sub = tarval_sub(t, f, NULL); ir_tarval *t_sub = tarval_sub(t, f, NULL);
......
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