From: Roger Sayle <roger@eyesopen.com>
Date: Wed, 30 Jun 2004 12:46:52 +0000 (+0000)
Subject: rs6000.c (rs6000_rtx_costs): Handle subtractions identically to additions, always... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=521903292cec2da89e5804e420245a006affd240;p=gcc.git

rs6000.c (rs6000_rtx_costs): Handle subtractions identically to additions, always COSTS_N_INSNS (1).


	* config/rs6000/rs6000.c (rs6000_rtx_costs) <MINUS_EXPR>: Handle
	subtractions identically to additions, always COSTS_N_INSNS (1).

From-SVN: r83906
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e18d36ff1a0..fdd36d9d232 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-06-30  Roger Sayle  <roger@eyesopen.com>
+
+	* config/rs6000/rs6000.c (rs6000_rtx_costs) <MINUS_EXPR>: Handle
+	subtractions identically to additions, always COSTS_N_INSNS (1).
+
 2004-06-30  J"orn Rennecke <joern.rennecke@superh.com>
 
 	* expmed.c (expand_smod_pow2): Fix sign of mask.
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index f91e3f67814..3102e54569a 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -16169,6 +16169,10 @@ rs6000_rtx_costs (rtx x, int code, int outer_code ATTRIBUTE_UNUSED,
 		: COSTS_N_INSNS (1));
       return true;
 
+    case MINUS:
+      *total = COSTS_N_INSNS (1);
+      return true;
+
     case AND:
     case IOR:
     case XOR: