scc

commit deed2f68c71afdeb172a8362c6c9d3f3b9f60c4b
parent 79ccb978a8d4f8c9c9700bb16d2b97625f3f1dd4
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Wed, 26 Aug 2015 22:26:42 +0200

Allow conversions between integer and pointers

This kind of constant conversions are very common in array expressions
so this optimization can simplify a lot the IR generated.

Diffstat:
M
cc1/expr.c
 | 
2
++

1 file changed, 2 insertions(+), 0 deletions(-)
diff --git a/cc1/expr.c b/cc1/expr.c
@@ -430,9 +430,11 @@ constconv(Node *np, Type *newtp)
 	Symbol aux, *sym, *osym = np->sym;
 
 	switch (newtp->op) {
+	case PTR:
 	case INT:
 	case ENUM:
 		switch (oldtp->op) {
+		case PTR:
 		case INT:
 		case ENUM:
 			if (newtp->sign == oldtp->sign)