From b0965d210676179fd64ec08e190cfda5b276363e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20Fr=C3=B6schle?= <mfro@mubf.de>
Date: Thu, 21 Nov 2013 19:45:09 +0000
Subject: [PATCH] modified set_ipl() register constraints (code was overwriting
 input operand)

---
 BaS_gcc/include/exceptions.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/BaS_gcc/include/exceptions.h b/BaS_gcc/include/exceptions.h
index aaaab75..4e3e704 100644
--- a/BaS_gcc/include/exceptions.h
+++ b/BaS_gcc/include/exceptions.h
@@ -8,7 +8,6 @@ inline uint32_t set_ipl(uint32_t ipl)
 	uint32_t ret;
 
 	__asm__ __volatile__(
-		"		clr.l	%[ret]\r\n"			/* clear result (mvz.w sr is no valid statement) */
 		"		move.w	sr,%[ret]\r\n"			/* retrieve status register */
 		"		andi.l	#0x07,%[ipl]\n\t"		/* mask out ipl bits on new value */
 		"		lsl.l	#8,%[ipl]\n\t"			/* shift them to position */
@@ -18,9 +17,9 @@ inline uint32_t set_ipl(uint32_t ipl)
 		"		move.w	d0,sr\n\t"				/* put it in place */
 		"		andi.l	#0x0700,%[ret]\r\n"		/* mask out ipl bits */
 		"		lsr.l	#8,%[ret]\r\n"			/* shift them to position */
-		: [ret] "=d" (ret)		/* output */
+		: [ret] "+g" (ret)		/* output */
 		: [ipl] "r" (ipl)		/* input */
-		: "d0", "memory"	/* clobber */
+		: "d0"	/* clobber */
 	);
 
 	return ret;