From b4663aa9773dc85f7cf6cbe370b2d337c25b6d38 Mon Sep 17 00:00:00 2001
From: JF Bastien <jfb@google.com>
Date: Fri, 19 Feb 2016 06:54:45 +0000
Subject: [PATCH] ARM: fix VFP asm constraints
Summary:
Rich Felker was sad that clang used 'w' and 'P' for VFP constraints when GCC documents them as 't' and 'w':
https://gcc.gnu.org/onlinedocs/gcc/Machine-Constraints.html
This was added way back in 2008:
http://lists.llvm.org/pipermail/cfe-commits/Week-of-Mon-20080421/005393.html
Subscribers: aemerson, rengolin, cfe-commits
Differential Revision: http://reviews.llvm.org/D17349
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@261309 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/Basic/Targets.cpp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index aea14306c77..65b98395f0e 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -4939,8 +4939,8 @@ public:
default: break;
case 'l': // r0-r7
case 'h': // r8-r15
- case 'w': // VFP Floating point register single precision
- case 'P': // VFP Floating point register double precision
+ case 't': // VFP Floating point register single precision
+ case 'w': // VFP Floating point register double precision
Info.setAllowsRegister();
return true;
case 'I':
--
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