From: Bernd Schmidt <bernds@codesourcery.com>
Date: Wed, 6 Jul 2011 14:21:51 +0000 (+0000)
Subject: * simplify-rtx.c (simplify_ternary_operation): Remove dead code.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f9c083450b972ceda2202c0fc483ce63226bc225;p=gcc.git

* simplify-rtx.c (simplify_ternary_operation): Remove dead code.

From-SVN: r175918
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e06f36996e9..25ff6060ce0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -16,6 +16,8 @@
 	Likewise.
 	* rtl.h (val_mode_signbit_p, val_mode_signbit_set_p): Declare.
 
+	* simplify-rtx.c (simplify_ternary_operation): Remove dead code.
+
 2011-07-06  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/49645
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c
index 6a5ec1a1bfa..232776f5ade 100644
--- a/gcc/simplify-rtx.c
+++ b/gcc/simplify-rtx.c
@@ -4970,15 +4970,6 @@ simplify_ternary_operation (enum rtx_code code, enum machine_mode mode,
 		val |= ~ (((unsigned HOST_WIDE_INT) 1 << INTVAL (op1)) - 1);
 	    }
 
-	  /* Clear the bits that don't belong in our mode,
-	     unless they and our sign bit are all one.
-	     So we get either a reasonable negative value or a reasonable
-	     unsigned value for this mode.  */
-	  if (width < HOST_BITS_PER_WIDE_INT
-	      && ((val & ((unsigned HOST_WIDE_INT) (-1) << (width - 1)))
-		  != ((unsigned HOST_WIDE_INT) (-1) << (width - 1))))
-	    val &= ((unsigned HOST_WIDE_INT) 1 << width) - 1;
-
 	  return gen_int_mode (val, mode);
 	}
       break;