From: Chris Lattner Date: Sun, 5 Feb 2006 01:46:49 +0000 (+0000) Subject: make sure that global doubles are aligned to 8 bytes X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=519ea2abc9f43a374443d112d386cce13a04ecf3;p=oota-llvm.git 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 b489df66c14..48dd2975301 100644 --- a/lib/CodeGen/AsmPrinter.cpp +++ b/lib/CodeGen/AsmPrinter.cpp @@ -179,11 +179,16 @@ unsigned AsmPrinter::getPreferredAlignmentLog(const GlobalVariable *GV) const { 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; }