The attached patches implement most of the ARM AAPCS-VFP hard float
ABI. The missing piece is support for putting "homogeneous aggregates"
into registers.
Patch by Sandeep Patel!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73095 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMSubtarget.cpp b/lib/Target/ARM/ARMSubtarget.cpp
index ef78cd5..a978380 100644
--- a/lib/Target/ARM/ARMSubtarget.cpp
+++ b/lib/Target/ARM/ARMSubtarget.cpp
@@ -14,6 +14,8 @@
#include "ARMSubtarget.h"
#include "ARMGenSubtarget.inc"
#include "llvm/Module.h"
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetOptions.h"
using namespace llvm;
ARMSubtarget::ARMSubtarget(const Module &M, const std::string &FS,
@@ -28,6 +30,10 @@
, CPUString("generic")
, TargetType(isELF) // Default to ELF unless otherwise specified.
, TargetABI(ARM_ABI_APCS) {
+ // default to soft float ABI
+ if (FloatABIType == FloatABI::Default)
+ FloatABIType = FloatABI::Soft;
+
// Determine default and user specified characteristics
// Parse features string.