make sure that global doubles are aligned to 8 bytes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25981 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter.cpp
index b489df6..48dd297 100644
--- a/lib/CodeGen/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter.cpp
@@ -179,11 +179,16 @@
if (GV->getAlignment() > (1U << Alignment))
Alignment = Log2_32(GV->getAlignment());
- if (GV->hasInitializer() && Alignment < 4) {
- // If the global is not external, see if it is large. If so, give it a
- // larger alignment.
- if (TM.getTargetData().getTypeSize(GV->getType()->getElementType()) > 128)
- Alignment = 4; // 16-byte alignment.
+ if (GV->hasInitializer()) {
+ // Always round up alignment of global doubles to 8 bytes.
+ if (GV->getType()->getElementType() == Type::DoubleTy && Alignment < 3)
+ Alignment = 3;
+ if (Alignment < 4) {
+ // If the global is not external, see if it is large. If so, give it a
+ // larger alignment.
+ if (TM.getTargetData().getTypeSize(GV->getType()->getElementType()) > 128)
+ Alignment = 4; // 16-byte alignment.
+ }
}
return Alignment;
}