diff options
Diffstat (limited to 'gcc/d/expr.cc')
| -rw-r--r-- | gcc/d/expr.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/d/expr.cc b/gcc/d/expr.cc index 20ab49d..ac3d4aa 100644 --- a/gcc/d/expr.cc +++ b/gcc/d/expr.cc @@ -620,6 +620,18 @@ public: break; case TOKdiv: + /* Determine if the div expression is a lowered pointer diff operation. + The front-end rewrites `(p1 - p2)' into `(p1 - p2) / stride'. */ + if (MinExp *me = e->e1->isMinExp ()) + { + if (me->e1->type->ty == Tpointer && me->e2->type->ty == Tpointer + && e->e2->op == TOKint64) + { + code = EXACT_DIV_EXPR; + break; + } + } + code = e->e1->type->isintegral () ? TRUNC_DIV_EXPR : RDIV_EXPR; break; |