From: Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Date: Tue, 18 Nov 2014 09:33:25 +0000 (+0000)
Subject: [ARM] Handle simple SImode PLUS and MINUS cases in rtx costs
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e8c430897708622510974ecff782d3ac8cac1d1b;p=gcc.git

[ARM] Handle simple SImode PLUS and MINUS cases in rtx costs

	* config/arm/arm.c (arm_new_rtx_costs, case PLUS, MINUS):
	Add cost of alu.arith in simple SImode case.

From-SVN: r217692
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b303164e248..95f5fa308b5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2014-11-18  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	* config/arm/arm.c (arm_new_rtx_costs, case PLUS, MINUS):
+	Add cost of alu.arith in simple SImode case.
+
 2014-11-18  Jiong Wang  <jiong.wang@arm.com>
 
 	* lra-eliminations.c (update_reg_eliminate): Relax gcc_assert for fixed
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index a4212d1d916..f9c82a5e5b1 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -9822,6 +9822,8 @@ arm_new_rtx_costs (rtx x, enum rtx_code code, enum rtx_code outer_code,
 	      *cost += rtx_cost (XEXP (x, 1), code, 1, speed_p);
 	      return true;
 	    }
+	  else if (speed_p)
+	    *cost += extra_cost->alu.arith;
 
 	  return false;
 	}
@@ -10057,6 +10059,9 @@ arm_new_rtx_costs (rtx x, enum rtx_code code, enum rtx_code outer_code,
 	      *cost += rtx_cost (XEXP (x, 0), PLUS, 0, speed_p);
 	      return true;
 	    }
+	  else if (speed_p)
+	    *cost += extra_cost->alu.arith;
+
 	  return false;
 	}