From 32f56aadf5f962aeef5d91fe10fc53cc804b0490 Mon Sep 17 00:00:00 2001
From: David Edelsohn <edelsohn@gnu.org>
Date: Thu, 16 Aug 2007 00:40:27 +0000
Subject: [PATCH] rs6000.c (rs6000_rtx_costs): Add CLZ, CTZ, and POPCOUNT.
* config/rs6000/rs6000.c (rs6000_rtx_costs): Add CLZ, CTZ, and
POPCOUNT.
From-SVN: r127532
---
gcc/ChangeLog | 5 +++++
gcc/config/rs6000/rs6000.c | 6 ++++++
2 files changed, 11 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5e0cfc0f3ef3..0629abd93020 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2007-08-15 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (rs6000_rtx_costs): Add CLZ, CTZ, and
+ POPCOUNT.
+
2007-08-15 Daniel Jacobowitz <dan@codesourcery.com>
* config/rs6000/rs6000.c (rs6000_file_start): Output a .gnu_attribute
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index e91027667669..5354e525200b 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -20298,10 +20298,15 @@ rs6000_rtx_costs (rtx x, int code, int outer_code, int *total)
*total += COSTS_N_INSNS (2);
return false;
+ case CTZ:
case FFS:
*total = COSTS_N_INSNS (4);
return false;
+ case POPCOUNT:
+ *total = COSTS_N_INSNS (6);
+ return false;
+
case NOT:
if (outer_code == AND || outer_code == IOR || outer_code == XOR)
{
@@ -20311,6 +20316,7 @@ rs6000_rtx_costs (rtx x, int code, int outer_code, int *total)
/* FALLTHRU */
case AND:
+ case CLZ:
case IOR:
case XOR:
case ZERO_EXTRACT:
--
GitLab