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authorChris Lattner <sabre@nondot.org>2006-05-17 19:02:25 +0000
committerChris Lattner <sabre@nondot.org>2006-05-17 19:02:25 +0000
commit9d62fa4d162745f8812736473e41764bb0435b42 (patch)
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parentc703a8fbf8653ac8302ae368391a4954c307ca2c (diff)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28355 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC/README.txt')
-rw-r--r--lib/Target/PowerPC/README.txt4
1 files changed, 4 insertions, 0 deletions
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] }