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| author | Dan Gohman <gohman@apple.com> | 2010-03-09 03:01:40 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-03-09 03:01:40 +0000 |
| commit | 81d0c36d22142da8413f8b2483582df70968ecb3 (patch) | |
| tree | 6e258f5bdec5c1e17a531b80586feae158b1e9bc /lib | |
| parent | 94a1c631dbcad0c92032259444aa40b795b3d283 (diff) | |
| download | external_llvm-81d0c36d22142da8413f8b2483582df70968ecb3.zip external_llvm-81d0c36d22142da8413f8b2483582df70968ecb3.tar.gz external_llvm-81d0c36d22142da8413f8b2483582df70968ecb3.tar.bz2 | |
Don't try to fold V_SET0 and V_SETALLONES to loads in medium and
large code models.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98042 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index 39bda04..4fd91bb 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/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_) { |