From b2f2f960ce8af01a5676d386de1793737a75e72e Mon Sep 17 00:00:00 2001
From: Tom Stellard <thomas.stellard@amd.com>
Date: Mon, 4 Mar 2013 17:40:28 +0000
Subject: [PATCH] R600: Clean up datalayout strings so they better match
 hardware capabilities

llvm-svn: 176439
---
 llvm/lib/Target/R600/AMDILDevice.cpp   | 20 ++++++++++++++------
 llvm/lib/Target/R600/AMDILSIDevice.cpp | 15 +++++++++------
 2 files changed, 23 insertions(+), 12 deletions(-)

diff --git a/llvm/lib/Target/R600/AMDILDevice.cpp b/llvm/lib/Target/R600/AMDILDevice.cpp
index eec5059de296..db8e01ea4043 100644
--- a/llvm/lib/Target/R600/AMDILDevice.cpp
+++ b/llvm/lib/Target/R600/AMDILDevice.cpp
@@ -115,10 +115,18 @@ bool AMDGPUDevice::usesSoftware(AMDGPUDeviceInfo::Caps Mode) const {
 
 std::string
 AMDGPUDevice::getDataLayout() const {
-    return std::string("e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16"
-      "-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:32:32"
-      "-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64"
-      "-v96:128:128-v128:128:128-v192:256:256-v256:256:256"
-      "-v512:512:512-v1024:1024:1024-v2048:2048:2048"
-      "-n8:16:32:64");
+  std::string DataLayout = std::string(
+   "e"
+   "-p:32:32:32"
+   "-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32"
+   "-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64-v96:128:128-v128:128:128"
+   "-v192:256:256-v256:256:256-v512:512:512-v1024:1024:1024-v2048:2048:2048"
+   "-n32:64"
+  );
+
+  if (usesHardware(AMDGPUDeviceInfo::DoubleOps)) {
+    DataLayout.append("-f64:64:64");
+  }
+
+  return DataLayout;
 }
diff --git a/llvm/lib/Target/R600/AMDILSIDevice.cpp b/llvm/lib/Target/R600/AMDILSIDevice.cpp
index 3096c2206701..0d1de3d11eb4 100644
--- a/llvm/lib/Target/R600/AMDILSIDevice.cpp
+++ b/llvm/lib/Target/R600/AMDILSIDevice.cpp
@@ -36,10 +36,13 @@ AMDGPUSIDevice::getGeneration() const {
 
 std::string
 AMDGPUSIDevice::getDataLayout() const {
-  return std::string("e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16"
-      "-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:32:32"
-      "-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64"
-      "-v96:128:128-v128:128:128-v192:256:256-v256:256:256"
-      "-v512:512:512-v1024:1024:1024-v2048:2048:2048"
-      "-n8:16:32:64");
+  return std::string(
+    "e"
+    "-p:64:64:64"
+    "-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64"
+    "-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64-v96:128:128"
+    "-v128:128:128-v192:256:256-v256:256:256-v512:512:512-v1024:1024:1024"
+    "-v2048:2048:2048"
+    "-n32:64"
+  );
 }