From: Klaus Treichel <ktreichel@web.de>
Date: Sun, 24 Oct 2010 09:00:21 +0000 (+0200)
Subject: Set in_global_register	on global register assignment so that the value
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=7e49ebd64684dd4360b6b5ecc9f6d8b7397d6ded;p=francis%2Flibjit.git

Set in_global_register	on global register assignment so that the value
is expected to be in the global register in blocks before any assignment
to the value occurred to handle back branches correctly.
---

diff --git a/ChangeLog b/ChangeLog
index 9614015..fbd4148 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-10-24  Klaus Treichel  <ktreichel@web.de>
+
+	* jit/jit-reg-alloc.c (_jit_regs_alloc_global): Set in_global_register
+	on global register assignment.
+
 2010-10-04  Klaus Treichel  <ktreichel@web.de>
 
 	* jit/jit-internal.h: Add missing typedef in the declaration of the
diff --git a/jit/jit-reg-alloc.c b/jit/jit-reg-alloc.c
index 21798c6..b7eeafe 100644
--- a/jit/jit-reg-alloc.c
+++ b/jit/jit-reg-alloc.c
@@ -2746,6 +2746,7 @@ void _jit_regs_alloc_global(jit_gencode_t gen, jit_function_t func)
 			--reg;
 		}
 		candidates[index]->has_global_register = 1;
+		candidates[index]->in_global_register = 1;
 		candidates[index]->global_reg = (short)reg;
 		jit_reg_set_used(gen->touched, reg);
 		jit_reg_set_used(gen->permanent, reg);