re PR target/42891 (ice in extract_insn, at recog.c:2097)

	PR target/42891
	* config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
	in the call to gen_x86_movsicc_0_m1.

testsuite/ChangeLog:

	PR target/42891
	* gcc.target/i386/pr42891.c: New test.

From-SVN: r156327

gcc/ChangeLog

+2010-01-28  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/42891
+	* config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
+	in the call to gen_x86_movsicc_0_m1.
+
 2010-01-28  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/42871

gcc/config/i386/i386.c

@@ -15381,7 +15381,7 @@ ix86_expand_int_movcc (rtx operands[])
   enum rtx_code code = GET_CODE (operands[1]), compare_code;
   rtx compare_seq, compare_op;
   enum machine_mode mode = GET_MODE (operands[0]);
-  bool sign_bit_compare_p = false;;
+  bool sign_bit_compare_p = false;
 
   start_sequence ();
   ix86_compare_op0 = XEXP (operands[1], 0);
@@ -15422,7 +15422,6 @@ ix86_expand_int_movcc (rtx operands[])
           if (!sign_bit_compare_p)
 	    {
 	      rtx flags;
-	      rtx (*insn)(rtx, rtx, rtx);
 	      bool fpcmp = false;
 
 	      compare_code = GET_CODE (compare_op);
@@ -15463,11 +15462,10 @@ ix86_expand_int_movcc (rtx operands[])
 		tmp = gen_reg_rtx (mode);
 
 	      if (mode == DImode)
-		insn = gen_x86_movdicc_0_m1;
+		emit_insn (gen_x86_movdicc_0_m1 (tmp, flags, compare_op));
 	      else
-		insn = gen_x86_movsicc_0_m1;
-
-	      emit_insn (insn (tmp, flags, compare_op));
+		emit_insn (gen_x86_movsicc_0_m1	(gen_lowpart (SImode, tmp),
+						 flags, compare_op));
 	    }
 	  else
 	    {

gcc/testsuite/ChangeLog

+2010-01-28  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/42891
+	* gcc.target/i386/pr42891.c: New test.
+
 2010-01-28  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/42871

gcc/testsuite/gcc.target/i386/pr42891.c

+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+union B { int i; float f; };
+
+extern void bar (void);
+
+void
+foo (union B x, union B y)
+{
+  if (!(y.f > x.i))
+    bar ();
+}