From: Paolo Bonzini <bonzini@gnu.org>
Date: Tue, 7 Apr 2009 12:30:59 +0000 (+0000)
Subject: expr.c (convert_move): Use emit_store_flag instead of "emulating" it.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9a53bc17c486a122b5eb3570f2e1b374b5c35460;p=gcc.git

expr.c (convert_move): Use emit_store_flag instead of "emulating" it.

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (convert_move): Use emit_store_flag instead of
        "emulating" it.

From-SVN: r145666
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1830f9df255..8c946ebe307 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
+
+        * expr.c (convert_move): Use emit_store_flag instead of
+        "emulating" it.
+
 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
 
         * config/i386/i386.c (ix86_compare_emitted): Remove.
diff --git a/gcc/expr.c b/gcc/expr.c
index ff3867e59ec..f25ec7b4b18 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -588,27 +588,9 @@ convert_move (rtx to, rtx from, int unsignedp)
       if (unsignedp)
 	fill_value = const0_rtx;
       else
-	{
-#ifdef HAVE_slt
-	  if (HAVE_slt
-	      && insn_data[(int) CODE_FOR_slt].operand[0].mode == word_mode
-	      && STORE_FLAG_VALUE == -1)
-	    {
-	      emit_cmp_insn (lowfrom, const0_rtx, NE, NULL_RTX,
-			     lowpart_mode, 0);
-	      fill_value = gen_reg_rtx (word_mode);
-	      emit_insn (gen_slt (fill_value));
-	    }
-	  else
-#endif
-	    {
-	      fill_value
-		= expand_shift (RSHIFT_EXPR, lowpart_mode, lowfrom,
-				size_int (GET_MODE_BITSIZE (lowpart_mode) - 1),
-				NULL_RTX, 0);
-	      fill_value = convert_to_mode (word_mode, fill_value, 1);
-	    }
-	}
+	fill_value = emit_store_flag (gen_reg_rtx (word_mode),
+				      LT, lowfrom, const0_rtx,
+				      VOIDmode, 0, -1);
 
       /* Fill the remaining words.  */
       for (i = GET_MODE_SIZE (lowpart_mode) / UNITS_PER_WORD; i < nwords; i++)