From 500fc80fe31f7544ba9fcfa48c3ae9e39234c0e8 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu@cs.umass.edu>
Date: Mon, 9 Feb 2004 17:23:25 +0000
Subject: re PR target/13721 (SEGV on inline-asm)

	PR target/13721
	* config/h8300/h8300.c (byte_reg): Call abort() if asked to
	print a operand other than a register.

From-SVN: r77539
---
 gcc/ChangeLog            | 6 ++++++
 gcc/config/h8300/h8300.c | 3 +++
 2 files changed, 9 insertions(+)

(limited to 'gcc')

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b6791b0..8872a66 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2004-02-09  Kazu Hirata  <kazu@cs.umass.edu>
+
+	PR target/13721
+	* config/h8300/h8300.c (byte_reg): Call abort() if asked to
+	print a operand other than a register.
+
 2004-02-09  Roger Sayle  <roger@eyesopen.com>
 
 	* fold-const.c (fold) <NOP_EXPR>: Use the original type conversion
diff --git a/gcc/config/h8300/h8300.c b/gcc/config/h8300/h8300.c
index c8d7937..546a346 100644
--- a/gcc/config/h8300/h8300.c
+++ b/gcc/config/h8300/h8300.c
@@ -338,6 +338,9 @@ byte_reg (rtx x, int b)
     "r4l", "r4h", "r5l", "r5h", "r6l", "r6h", "r7l", "r7h"
   };
 
+  if (!REG_P (x))
+    abort ();
+
   return names_small[REGNO (x) * 2 + b];
 }
 
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