[hackers] [scc] [cc2-qbe] Add labels to sigil() || Roberto E. Vargas Caballero

[git]

commit 06406a58ad2731e634939b4abd2e5d1bf5905245
Author:     Roberto E. Vargas Caballero <Roberto E. Vargas Caballero>
AuthorDate: Wed Apr 20 04:31:40 2016 +0200
Commit:     Roberto E. Vargas Caballero <Roberto E. Vargas Caballero>
CommitDate: Wed Apr 20 04:40:21 2016 +0200

    [cc2-qbe] Add labels to sigil()
    
    Labels were lost in the implementation of this function, and it
    was accepting SREG types, which cannot happen in this target.

diff --git a/cc2/arch/qbe/code.c b/cc2/arch/qbe/code.c
index fe9c762..1683d4f 100644
--- a/cc2/arch/qbe/code.c
+++ b/cc2/arch/qbe/code.c
@@ -54,9 +54,10 @@ sigil(Symbol *sym)
        case SLOCAL:
                return '$';
        case SAUTO:
-       case SREG:
        case STMP:
                return '%';
+       case SLABEL:
+               return '@';
        default:
                abort();
        }