From 70041f8a33df7201dfb236cd0f37d16b390a94fa Mon Sep 17 00:00:00 2001
From: Richard Earnshaw <rearnsha@arm.com>
Date: Tue, 20 Oct 2009 15:17:30 +0000
Subject: [PATCH] re PR target/39247 (FAIL: gcc.dg/tree-prof/bb-reorg.c
compilation, -fprofile-use -D_PROFILE_USE)
PR target/39247
* arm.c (arm_override_options): Forcibly disable hot/cold block
partitioning.
From-SVN: r153018
---
gcc/ChangeLog | 6 ++++++
gcc/config/arm/arm.c | 10 ++++++++++
2 files changed, 16 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 812dd1475f82..2a3bda14241a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2009-10-20 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/39247
+ * arm.c (arm_override_options): Forcibly disable hot/cold block
+ partitioning.
+
2009-10-20 Alexandre Oliva <aoliva@redhat.com>
PR debug/41739
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index e013dc2f70f3..93c35901116a 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -1864,6 +1864,16 @@ arm_override_options (void)
max_insns_skipped = 3;
}
+ /* Hot/Cold partitioning is not currently supported, since we can't
+ handle literal pool placement in that case. */
+ if (flag_reorder_blocks_and_partition)
+ {
+ inform (input_location,
+ "-freorder-blocks-and-partition not supported on this architecture");
+ flag_reorder_blocks_and_partition = 0;
+ flag_reorder_blocks = 1;
+ }
+
/* Ideally we would want to use CFI directives to generate
debug info. However this also creates the .eh_frame
section, so disable them until GAS can handle
--
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