[PowerPC] fix register alignment for long double type
This patch fixes register alignment for long double type in
soft float mode. Before this patch alignment was 8 and this
patch changes it to 4.
Differential Revision: http://reviews.llvm.org/D18034
llvm-svn: 268909
diff --git a/llvm/lib/Target/PowerPC/PPCCCState.cpp b/llvm/lib/Target/PowerPC/PPCCCState.cpp
new file mode 100644
index 0000000..5510a95
--- /dev/null
+++ b/llvm/lib/Target/PowerPC/PPCCCState.cpp
@@ -0,0 +1,36 @@
+//===---- PPCCCState.cpp - CCState with PowerPC specific extensions ---------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "PPCCCState.h"
+#include "PPCSubtarget.h"
+#include "llvm/IR/Module.h"
+using namespace llvm;
+
+// Identify lowered values that originated from ppcf128 arguments and record
+// this.
+void PPCCCState::PreAnalyzeCallOperands(
+ const SmallVectorImpl<ISD::OutputArg> &Outs) {
+ for (const auto &I : Outs) {
+ if (I.ArgVT == llvm::MVT::ppcf128)
+ OriginalArgWasPPCF128.push_back(true);
+ else
+ OriginalArgWasPPCF128.push_back(false);
+ }
+}
+
+void PPCCCState::PreAnalyzeFormalArguments(
+ const SmallVectorImpl<ISD::InputArg> &Ins) {
+ for (const auto &I : Ins) {
+ if (I.ArgVT == llvm::MVT::ppcf128) {
+ OriginalArgWasPPCF128.push_back(true);
+ } else {
+ OriginalArgWasPPCF128.push_back(false);
+ }
+ }
+}
\ No newline at end of file