From: David S. Miller <davem@redhat.com>
Date: Fri, 10 May 2002 18:58:00 +0000 (-0700)
Subject: cse.c (rtx_cost): Remove multiplication by power of 2 special casing.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6c45cb0da4af9804a455bc701cbe7a87eec98990;p=gcc.git

cse.c (rtx_cost): Remove multiplication by power of 2 special casing.

2002-05-10  David S. Miller  <davem@redhat.com>

	* cse.c (rtx_cost): Remove multiplication by power of 2 special
	casing.

From-SVN: r53369
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 097888b3fec..aa0ed6f32ca 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2002-05-10  David S. Miller  <davem@redhat.com>
+
+	* cse.c (rtx_cost): Remove multiplication by power of 2 special
+	casing.
+
 2002-05-10  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 
 	* config/mips/t-iris6 (SHLIB_SLIBDIR_SUFFIXES): Use mabi=64 and
diff --git a/gcc/cse.c b/gcc/cse.c
index c292c520240..b13de96cc40 100644
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -842,13 +842,7 @@ rtx_cost (x, outer_code)
   switch (code)
     {
     case MULT:
-      /* Count multiplication by 2**n as a shift,
-	 because if we are considering it, we would output it as a shift.  */
-      if (GET_CODE (XEXP (x, 1)) == CONST_INT
-	  && exact_log2 (INTVAL (XEXP (x, 1))) >= 0)
-	total = 2;
-      else
-	total = COSTS_N_INSNS (5);
+      total = COSTS_N_INSNS (5);
       break;
     case DIV:
     case UDIV: