From e414b525f1919e5ee2148eea139121736eed8613 Mon Sep 17 00:00:00 2001
From: Stefan Hepp <stefan@stefant.org>
Date: Fri, 19 Jul 2013 10:26:37 +0000
Subject: [PATCH] Disable FP by default for Patmos when optimizing
---
lib/Driver/ToolChains.cpp | 7 +++++++
lib/Driver/ToolChains.h | 4 ++++
2 files changed, 11 insertions(+)
diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
index 427b3409e4..9c1ad9e597 100644
--- a/lib/Driver/ToolChains.cpp
+++ b/lib/Driver/ToolChains.cpp
@@ -1818,6 +1818,13 @@ const char *PatmosToolChain::GetForcedPicModel() const {
return 0;
}
+bool PatmosToolChain::UseFramePointerDefault() const {
+ if (Arg *A = getArgs().getLastArg(options::OPT_O_Group))
+ if (A->getOption().matches(options::OPT_O0))
+ return true;
+ return false;
+}
+
void PatmosToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
ArgStringList &CC1Args) const
{
diff --git a/lib/Driver/ToolChains.h b/lib/Driver/ToolChains.h
index e8efbe343e..783ca67a40 100644
--- a/lib/Driver/ToolChains.h
+++ b/lib/Driver/ToolChains.h
@@ -606,6 +606,10 @@ public:
}
virtual bool IsUsingLTODefault() const { return true; }
+ virtual bool UseFramePointerDefault() const;
+ virtual bool UseLeafFramePointerDefault() const {
+ return UseFramePointerDefault();
+ }
virtual bool isPICDefault() const { return false; }
virtual bool isPIEDefault() const { return false; }
--
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