From: Matthias Braun <matze@braunis.de>
Date: Wed, 10 Feb 2010 22:09:13 +0000 (+0000)
Subject: put zero initialized entities into bss section (not just uninitialized ones); TLS... 
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=00c43cda7202a15a95096961b9301ca3181c3c0a;p=cparser

put zero initialized entities into bss section (not just uninitialized ones); TLS entities should go to tbss or tdata

[r27108]
---

diff --git a/ast2firm.c b/ast2firm.c
index af9f193..b3079cb 100644
--- a/ast2firm.c
+++ b/ast2firm.c
@@ -4562,8 +4562,12 @@ static void create_global_variable(entity_t *entity)
 		panic("invalid storage class for global var");
 	}
 
-	ir_type *var_type = entity->variable.thread_local ?
-		get_tls_type() : get_glob_type();
+	ir_type *var_type = get_glob_type();
+	if (entity->variable.thread_local) {
+		var_type = get_tls_type();
+		/* LINKAGE_MERGE not supported by current linkers */
+		linkage &= ~IR_LINKAGE_MERGE;
+	}
 	create_variable_entity(entity, DECLARATION_KIND_GLOBAL_VARIABLE, var_type);
 	irentity = entity->variable.v.entity;
 	add_entity_linkage(irentity, linkage);