From: Richard Stallman <rms@gnu.org>
Date: Sat, 27 Feb 1993 19:16:44 +0000 (+0000)
Subject: (make_decl_rtl): Print an error for explicit register variable
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ce2fb2459b747b9895c9eaa9a1b1014c6b332ff7;p=gcc.git

(make_decl_rtl): Print an error for explicit register variable
whose type cannot be stored in that register.

From-SVN: r3561
---

diff --git a/gcc/varasm.c b/gcc/varasm.c
index c40a2faf1df..961d340e077 100644
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -333,6 +333,9 @@ make_decl_rtl (decl, asmspec, top_level)
 	error ("function declared `register'");
       else if (DECL_REGISTER (decl) && TYPE_MODE (TREE_TYPE (decl)) == BLKmode)
 	error_with_decl (decl, "data type of `%s' isn't suitable for a register");
+      else if (DECL_REGISTER (decl)
+	       && ! HARD_REGNO_MODE_OK (reg_number, TYPE_MODE (TREE_TYPE (decl))))
+	error_with_decl (decl, "register number for `%s' isn't suitable for the data type");
       /* Now handle properly declared static register variables.  */
       else if (DECL_REGISTER (decl))
 	{