From: Richard Kenner <kenner@gcc.gnu.org>
Date: Fri, 13 Aug 1993 18:30:00 +0000 (-0400)
Subject: (expand_inline_function): Copy args that are in hard regs instead of
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=23d5d23d23a4f75d7ecbaff702deb77d8fac0f7a;p=platform%2Fupstream%2Fgcc.git

(expand_inline_function): Copy args that are in hard regs instead of
substiting them directly into insns.

From-SVN: r5154
---

diff --git a/gcc/integrate.c b/gcc/integrate.c
index 894a938..bb48c28 100644
--- a/gcc/integrate.c
+++ b/gcc/integrate.c
@@ -1390,11 +1390,16 @@ expand_inline_function (fndecl, parms, target, ignore, type, structure_value_add
 	     constant equivalence.
 
 	     If LOC is REG_USERVAR_P, the usual case, COPY must also have
-	     that flag set if it is a register.  */
+	     that flag set if it is a register.
+
+	     Also, don't allow hard registers here; they might not be valid
+	     when substituted into insns. */
 
 	  if ((GET_CODE (copy) != REG && GET_CODE (copy) != SUBREG)
 	      || (GET_CODE (copy) == REG && REG_USERVAR_P (loc)
-		  && ! REG_USERVAR_P (copy)))
+		  && ! REG_USERVAR_P (copy))
+	      || (GET_CODE (copy) == REG
+		  && REGNO (copy) < FIRST_PSEUDO_REGISTER))
 	    {
 	      temp = copy_to_mode_reg (GET_MODE (loc), copy);
 	      REG_USERVAR_P (temp) = REG_USERVAR_P (loc);