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Subject: [PATCH] Fix for immediate AND operation with EXR register of H8S
Date: Thu, 20 Nov 2003 09:24:00 -0000
Message-ID: <69595093233BB547BB70CF5E492B63F202D241B7@sohm.kpit.com>
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From: "Nitin Yewale" <NitinY@KPITCummins.com>
To: <gdb-patches@sources.redhat.com>
X-SW-Source: 2003-11/txt/msg00419.txt.bz2

Hi,

	Immediate AND operation with exr register fails with H8 simulator.
=09
	When I debug the following program compiled with the command line=20
"h8300-elf-gcc test.c -ms -g " under gdb simulator it doesn't show the prop=
er result.

/***************************** Start of test.s ****************************=
*/
int main ()
{
	asm ("mov #0x07, r0");
	asm ("ldc r0l, exr");
	asm ("andc #0x89, exr");
	return 1;
}
/***************************** End of test.c *****************************/=
=09

Please find below patch which fixes the same.

******************CHANGELOG TEXT********************************************
2003-11-20  Nitin Yewale  <NitinY@KPITCummins.com>
	* h8300/compile.c (sim_resume): Corrected ANDC operation on EXR for H8S=09
****************************************************************************

--- sim/h8300/compile.c.orig	2003-10-17 18:15:56.000000000 +0530
+++ sim/h8300/compile.c	2003-11-19 16:40:42.000000000 +0530
@@ -2566,7 +2566,7 @@ sim_resume (SIM_DESC sd, int step, int s
 	    {
 	      if (h8300smode)
 		h8_set_exr (sd, (trace << 7) | intMask);
-	      res =3D h8_get_exr (sd);
+	      rd =3D h8_get_exr (sd);
 	    }
 	  else
 	    goto illegal;

Regards,
Nitin Yewale