From cbab28414ec1f81bbfe2da3fd2ec4b4b06501bd7 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sun, 5 Feb 2006 01:46:49 +0000 Subject: make sure that global doubles are aligned to 8 bytes llvm-svn: 25981 --- llvm/lib/CodeGen/AsmPrinter.cpp | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) (limited to 'llvm/lib/CodeGen') diff --git a/llvm/lib/CodeGen/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter.cpp index b489df66c14..48dd2975301 100644 --- a/llvm/lib/CodeGen/AsmPrinter.cpp +++ b/llvm/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; } -- cgit v1.2.3