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Message-ID: <5543378B.2090600@arm.com>
Date: Fri, 01 May 2015 08:21:00 -0000
From: Kyrill Tkachov <kyrylo.tkachov@arm.com>
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To: GCC Patches <gcc-patches@gcc.gnu.org>
CC: Marcus Shawcroft <marcus.shawcroft@arm.com>,  Richard Earnshaw <Richard.Earnshaw@arm.com>, James Greenhalgh <james.greenhalgh@arm.com>
Subject: [PATCH][AArch64] Handle FLOAT and UNSIGNED_FLOAT in rtx costs
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Hi all,

This patch adds handling of the FLOAT and UNSIGNED_FLOAT cases in rtx costs=
 that map down to
the scvtf and ucvtf instructions respectively. We use the fromint cost fiel=
d for them.

Tested on aarch64-none-elf.

Ok for trunk?

Thanks,
Kyrill

2015-05-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

     * config/aarch64/aarch64.c (aarch64_rtx_costs): Handle FLOAT and
     UNSIGNED_FLOAT.

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commit 3a14409ce63cac482e48ab731cff0267f7b2ce53
Author: Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Date:   Wed Mar 11 12:04:13 2015 +0000

    [AArch64] Handle FLOAT and UNSIGNED_FLOAT in rtx costs

diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
index d1635f4..8661896 100644
--- a/gcc/config/aarch64/aarch64.c
+++ b/gcc/config/aarch64/aarch64.c
@@ -6497,6 +6497,12 @@ cost_plus:
       *cost +=3D rtx_cost (op2, FMA, 2, speed);
       return true;
=20
+    case FLOAT:
+    case UNSIGNED_FLOAT:
+      if (speed)
+	*cost +=3D extra_cost->fp[mode =3D=3D DFmode].fromint;
+      return false;
+
     case FLOAT_EXTEND:
       if (speed)
 	*cost +=3D extra_cost->fp[mode =3D=3D DFmode].widen;

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