[hackers] [scc] [cc2-qbe] Add OADDR to QBE || Roberto E. Vargas Caballero

From: <git_AT_suckless.org>
Date: Sat, 23 Apr 2016 21:36:58 +0200 (CEST)

commit 68b2cfb72656cb84311084385d33bf4e82de462e
Author: Roberto E. Vargas Caballero <Roberto E. Vargas Caballero>
AuthorDate: Fri Apr 22 23:56:48 2016 +0200
Commit: Roberto E. Vargas Caballero <Roberto E. Vargas Caballero>
CommitDate: Sat Apr 23 00:33:49 2016 +0200

    [cc2-qbe] Add OADDR to QBE
    
    OADDR is a nop in QBE, but we still have to transform the node in a
    temporary node without creating a temporary symbol.

diff --git a/cc2/arch/qbe/cgen.c b/cc2/arch/qbe/cgen.c
index 74bfff3..5f2ff87 100644
--- a/cc2/arch/qbe/cgen.c
+++ b/cc2/arch/qbe/cgen.c
_AT_@ -258,7 +258,6 @@ cgen(Node *np)
         case OBAND:
         case OBOR:
         case OBXOR:
- case OCPL:
         case OEQ:
         case ONE:
                 off = 0;
_AT_@ -285,15 +284,18 @@ cgen(Node *np)
         case OELOOP:
                 return NULL;
         case OCAST:
- assert(r == NULL);
                 return cast(np, l);
- case OPAR:
- case ONEG:
         case OADDR:
- abort();
+ np->flags |= ISTMP;
+ np->op = OTMP;
+ np->u.sym = l->u.sym;
+ return np;
         case OPTR:
                 np->left = load(load(l));
                 return tmpnode(np);
+ case OCPL:
+ case OPAR:
+ case ONEG:
         case OINC:
         case ODEC:
                 abort();
Received on Sat Apr 23 2016 - 21:36:58 CEST