From 315a5cc7898299c97ce089ffd3dfeb4ef8816741 Mon Sep 17 00:00:00 2001 From: Craig Topper Date: Thu, 3 May 2012 07:12:59 +0000 Subject: Fix 256-bit vpshuflw and vpshufhw immediate encoding to handle undefs in the lower half correctly. Missed in r155982. llvm-svn: 156059 --- llvm/lib/Target/X86/Utils/X86ShuffleDecode.cpp | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'llvm/lib/Target/X86/Utils') diff --git a/llvm/lib/Target/X86/Utils/X86ShuffleDecode.cpp b/llvm/lib/Target/X86/Utils/X86ShuffleDecode.cpp index a1f242476ef..f0d9467f9b3 100644 --- a/llvm/lib/Target/X86/Utils/X86ShuffleDecode.cpp +++ b/llvm/lib/Target/X86/Utils/X86ShuffleDecode.cpp @@ -82,8 +82,7 @@ void DecodePSHUFMask(EVT VT, unsigned Imm, SmallVectorImpl &ShuffleMask) { void DecodePSHUFHWMask(EVT VT, unsigned Imm, SmallVectorImpl &ShuffleMask) { - unsigned NumLanes = VT.getSizeInBits() / 128; - unsigned NumElts = 8 * NumLanes; + unsigned NumElts = VT.getVectorNumElements(); for (unsigned l = 0; l != NumElts; l += 8) { unsigned NewImm = Imm; @@ -99,8 +98,7 @@ void DecodePSHUFHWMask(EVT VT, unsigned Imm, void DecodePSHUFLWMask(EVT VT, unsigned Imm, SmallVectorImpl &ShuffleMask) { - unsigned NumLanes = VT.getSizeInBits() / 128; - unsigned NumElts = 8 * NumLanes; + unsigned NumElts = VT.getVectorNumElements(); for (unsigned l = 0; l != NumElts; l += 8) { unsigned NewImm = Imm; -- cgit v1.2.3