From: Mark Mitchell <mark@codesourcery.com>
Date: Thu, 12 Jul 2001 07:50:58 +0000 (+0000)
Subject: decl.c (make_rtl_for_nonlocal_decl): Set DECL_C_HARD_REGISTER for `register' variable... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7ed47c042e44ac0809d65ddfec988e1305067239;p=gcc.git

decl.c (make_rtl_for_nonlocal_decl): Set DECL_C_HARD_REGISTER for `register' variables with an asm-specification.

	* decl.c (make_rtl_for_nonlocal_decl): Set DECL_C_HARD_REGISTER
	for `register' variables with an asm-specification.

From-SVN: r43963
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 486533b44cf..3d8f346349e 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2001-07-12  Mark Mitchell  <mark@codesourcery.com>
+
+	* decl.c (make_rtl_for_nonlocal_decl): Set DECL_C_HARD_REGISTER
+	for `register' variables with an asm-specification.
+
 2001-07-11  Mark Mitchell  <mark@codesourcery.com>
 
 	* semantics.c (finish_asm_stmt): Mark the output operands
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index 5de71508626..c0e9b85a471 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -7806,7 +7806,14 @@ make_rtl_for_nonlocal_decl (decl, init, asmspec)
 
   /* Set the DECL_ASSEMBLER_NAME for the variable.  */
   if (asmspec)
-    SET_DECL_ASSEMBLER_NAME (decl, get_identifier (asmspec));
+    {
+      SET_DECL_ASSEMBLER_NAME (decl, get_identifier (asmspec));
+      /* The `register' keyword, when used together with an
+	 asm-specification, indicates that the variable should be
+	 placed in a particular register.  */
+      if (DECL_REGISTER (decl))
+	DECL_C_HARD_REGISTER (decl) = 1;
+    }
 
   /* We don't create any RTL for local variables.  */
   if (DECL_FUNCTION_SCOPE_P (decl) && !TREE_STATIC (decl))