mips-dsp.md (mips_lhx_<mode>): Use sign_extend.

2009-11-30  Chao-ying Fu  <fu@mips.com>

	* config/mips/mips-dsp.md (mips_lhx_<mode>): Use sign_extend.

From-SVN: r154861

gcc/ChangeLog

+2009-11-30  Chao-ying Fu  <fu@mips.com>
+
+	* config/mips/mips-dsp.md (mips_lhx_<mode>): Use sign_extend.
+
 2009-11-30  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	* configure.ac (USE_CYGWIN_LIBSTDCXX_WRAPPERS): Define to reflect

gcc/config/mips/mips-dsp.md

@@ -1066,7 +1066,7 @@
 
 (define_insn "mips_lhx_<mode>"
   [(set (match_operand:SI 0 "register_operand" "=d")
-	(zero_extend:SI
+	(sign_extend:SI
 	  (mem:HI (plus:P (match_operand:P 1 "register_operand" "d")
 			  (match_operand:P 2 "register_operand" "d")))))]
   "ISA_HAS_DSP"