From 9d62fa4d162745f8812736473e41764bb0435b42 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Wed, 17 May 2006 19:02:25 +0000 Subject: Add a note about a note git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28355 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/PowerPC/README.txt | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'lib/Target/PowerPC/README.txt') diff --git a/lib/Target/PowerPC/README.txt b/lib/Target/PowerPC/README.txt index dbc4554..f95f94d 100644 --- a/lib/Target/PowerPC/README.txt +++ b/lib/Target/PowerPC/README.txt @@ -490,6 +490,10 @@ transformation, good for PI. See PPCISelLowering.cpp, this comment: // need to flag these together so that the value isn't live across a call. //setOperationAction(ISD::SINT_TO_FP, MVT::i32, Custom); +Also, if the registers are spilled to the stack, we have to ensure that all +64-bits of them are save/restored, otherwise we will miscompile the code. It +sounds like we need to get the 64-bit register classes going. + ===-------------------------------------------------------------------------=== %struct.B = type { ubyte, [3 x ubyte] } -- cgit v1.1