From: Nick Clifton <nickc@cambridge.redhat.com>
Date: Wed, 16 Jan 2002 16:54:21 +0000 (+0000)
Subject: Do not accept the IP register as a DFmode operand
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ab8081c171034a815d0eca70af7c517c8e6f4ba6;p=gcc.git

Do not accept the IP register as a DFmode operand

From-SVN: r48914
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ab046ed9f75..ca4a661eb6b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -4,6 +4,8 @@
 	to frame pointer initialisation instruction.
 	(thumb_expand_prologue): Add REG_MAYBE_DEAD note to frame pointer
 	initialisation instruction.
+	(soft_df_operand): Do not accept the IP register.
+	(nonimmediate_soft_df_operand): Do not accept the IP register.
 
 2002-01-16  Jakub Jelinek  <jakub@redhat.com>
 
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 8ef7355ec8e..f69d75176c2 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -3362,9 +3362,9 @@ soft_df_operand (op, mode)
       if (GET_CODE (op) == SUBREG)
 	op = SUBREG_REG (op);
 
-      if (REGNO (op) == IP_REGNUM)
-	return FALSE;
-      return TRUE;
+      /* The IP register must not be used, since its higher
+	 numbered counterpart is 13 - the stack pointer.  */
+      return REGNO (op) != IP_REGNUM;
     }
 
   if (mode != VOIDmode && GET_MODE (op) != mode)
@@ -3401,9 +3401,9 @@ nonimmediate_soft_df_operand (op, mode)
       if (GET_CODE (op) == SUBREG)
 	op = SUBREG_REG (op);
 
-      if (REGNO (op) == IP_REGNUM)
-	return FALSE;
-      return TRUE;
+      /* The IP register must not be used, since its higher
+	 numbered counterpart is 13 - the stack pointer.  */
+      return REGNO (op) != IP_REGNUM;
     }
 
   if (mode != VOIDmode && GET_MODE (op) != mode)