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ref: eda67a00f4481efdf3c361b2f9cc7925aedfc41f
parent: 1af75a9c4d18e2913ef10fdf4ce98b6193d1e032
author: Roberto E. Vargas Caballero <[email protected]>
date: Fri Jun 3 08:53:51 EDT 2016

[cc2-qbe] Convert register variables into automatic variables

Qbe ignores register variables, and this change makes easier
for qbe backend to handle automatic and register variables.

--- a/cc2/arch/qbe/code.c

+++ b/cc2/arch/qbe/code.c

@@ -282,6 +282,8 @@

 void

 defvar(Symbol *sym)

 {

+	if (sym->kind == SREG)

+		sym->kind = SAUTO;

 }

 void