From 547b216d76235c0dcae99808c83e0433bdfb80c5 Mon Sep 17 00:00:00 2001
From: David Edelsohn <edelsohn@gnu.org>
Date: Tue, 4 Apr 2006 17:58:55 +0000
Subject: [PATCH] rs6000.c (num_insns_constant_wide): Change
satisfies_constraint_[IL] to explicit tests on value.
* config/rs6000/rs6000.c (num_insns_constant_wide): Change
satisfies_constraint_[IL] to explicit tests on value.
From-SVN: r112676
---
gcc/ChangeLog | 5 +++++
gcc/config/rs6000/rs6000.c | 5 +++--
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1b34bd3690c1..62011292123f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2006-04-04 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (num_insns_constant_wide): Change
+ satisfies_constraint_[IL] to explicit tests on value.
+
2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 9d303c0a97b7..63ee622d52e5 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -2004,11 +2004,12 @@ int
num_insns_constant_wide (HOST_WIDE_INT value)
{
/* signed constant loadable with {cal|addi} */
- if (satisfies_constraint_I (GEN_INT (value)))
+ if ((unsigned HOST_WIDE_INT) (value + 0x8000) < 0x10000)
return 1;
/* constant loadable with {cau|addis} */
- else if (satisfies_constraint_L (GEN_INT (value)))
+ else if ((value & 0xffff) == 0
+ && (value >> 31 == -1 || value >> 31 == 0))
return 1;
#if HOST_BITS_PER_WIDE_INT == 64
--
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