From: Ian Lance Taylor <ian@airs.com>
Date: Mon, 24 Mar 1997 19:37:05 +0000 (+0000)
Subject: 	* config/tc-i386.h (iclrKludge): Define.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2fb44892b162ee91ee03caa88252e979ffba7698;p=binutils-gdb.git

	* config/tc-i386.h (iclrKludge): Define.
	* config/tc-i386.c (md_assemble): Handle iclrKludge.
---

diff --git a/gas/ChangeLog b/gas/ChangeLog
index a832a08bad8..c359b9d70bf 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,8 @@
 Mon Mar 24 12:11:18 1997  Ian Lance Taylor  <ian@cygnus.com>
 
+	* config/tc-i386.h (iclrKludge): Define.
+	* config/tc-i386.c (md_assemble): Handle iclrKludge.
+
 	* config/tc-alpha.h (tc_frob_file_before_adjust): Define if
 	OBJ_ECOFF.
 	(alpha_frob_file_before_adjust): Declare if OBJ_ECOFF.
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index 3d562cd0bf0..cec14bc1ddf 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -1345,6 +1345,13 @@ md_assemble (line)
 	    i.reg_operands = 2;
 	  }
 
+	/* The clr %reg instruction is converted into xor %reg, %reg.  */
+	if (t->opcode_modifier & iclrKludge)
+	  {
+	    i.regs[1] = i.regs[0];
+	    i.reg_operands = 2;
+	  }
+
 	/* Certain instructions expect the destination to be in the i.rm.reg
 	   field.  This is by far the exceptional case.  For these
 	   instructions, if the source operand is a register, we must reverse