From 2e7c26b02e1c5d76d6bf8b243daa02428c3bde81 Mon Sep 17 00:00:00 2001 From: Tanya Lattner Date: Thu, 11 Mar 2010 23:41:22 +0000 Subject: Merge 98042. Don't try to fold V_SET0 and V_SETALLONES to loads in medium and large code models. llvm-svn: 98301 --- llvm/lib/Target/X86/X86InstrInfo.cpp | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp index 39bda04..4fd91bb 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.cpp +++ b/llvm/lib/Target/X86/X86InstrInfo.cpp @@ -2525,6 +2525,11 @@ MachineInstr* X86InstrInfo::foldMemoryOperandImpl(MachineFunction &MF, // Folding a V_SET0 or V_SETALLONES as a load, to ease register pressure. // Create a constant-pool entry and operands to load from it. + // Medium and large mode can't fold loads this way. + if (TM.getCodeModel() != CodeModel::Small && + TM.getCodeModel() != CodeModel::Kernel) + return NULL; + // x86-32 PIC requires a PIC base register for constant pools. unsigned PICBase = 0; if (TM.getRelocationModel() == Reloc::PIC_) { -- cgit v1.1