From a440316492e5356d08770dbac6c6b2da17aadf1b Mon Sep 17 00:00:00 2001
From: DJ Delorie <dj@redhat.com>
Date: Thu, 10 Feb 2011 14:41:26 -0500
Subject: [PATCH] m32c.c (m32c_option_override): Disable
-fcombine-stack-adjustments until flag value tracking and compare...
* config/m32c/m32c.c (m32c_option_override): Disable
-fcombine-stack-adjustments until flag value tracking and compare
optimization can be rewritten.
From-SVN: r170022
---
gcc/ChangeLog | 6 ++++++
gcc/config/m32c/m32c.c | 5 +++++
2 files changed, 11 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 463409c6486b..83866c179ec8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2011-02-10 DJ Delorie <dj@redhat.com>
+
+ * config/m32c/m32c.c (m32c_option_override): Disable
+ -fcombine-stack-adjustments until flag value tracking and compare
+ optimization can be rewritten.
+
2011-02-10 Peter Bergner <bergner@vnet.ibm.com>
* config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
diff --git a/gcc/config/m32c/m32c.c b/gcc/config/m32c/m32c.c
index ef0a311518cf..83bf86c2071f 100644
--- a/gcc/config/m32c/m32c.c
+++ b/gcc/config/m32c/m32c.c
@@ -454,6 +454,11 @@ m32c_option_override (void)
This is always worse than an absolute call. */
if (TARGET_A16)
flag_no_function_cse = 1;
+
+ /* This wants to put insns between compares and their jumps. */
+ /* FIXME: The right solution is to properly trace the flags register
+ values, but that is too much work for stage 4. */
+ flag_combine_stack_adjustments = 0;
}
#undef TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE
--
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