scc

commit 0221fe4f3687d2482eceacdc21ae7389f4634640
parent c40ce09e945f1f7fae5347518f85796fb038d053
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Fri, 20 Mar 2015 16:54:28 -0400

Remove dirty field of Node in cc2

This field is only updated when the variable is spilled to
memory, so it is a non sense.

Diffstat:
M
cc2/cc2.h
 | 
1
-
M
cc2/cgen.c
 | 
3
---

2 files changed, 0 insertions(+), 4 deletions(-)
diff --git a/cc2/cc2.h b/cc2/cc2.h
@@ -56,7 +56,6 @@ struct symbol {
 	char kind;
 	bool public : 1;
 	bool extrn : 1;
-	bool dirty : 1;
 	bool index : 1;
 	union {
 		/* TODO: Admit inmediate of other type */
diff --git a/cc2/cgen.c b/cc2/cgen.c
@@ -126,7 +126,6 @@ spill(uint8_t reg)
 		if (sym) {
 			code(LDL, np, r);
 			np->op = sym->kind;
-			sym->dirty = 0;
 		} else {
 			new = allocreg(1);
 			moveto(np, new);
@@ -338,8 +337,6 @@ assign(Node *np)
 		abort();
 	}
 
-	if (sym)
-		sym->dirty = 0;
 	np->op = REG;
 	np->reg = rp->reg;
 }