scc

Simple C99 Compiler
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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:
cc2/cc2.h | 1-
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; }