diff options
| author | Tanya Lattner <tonic@nondot.org> | 2010-03-11 23:41:22 +0000 |
|---|---|---|
| committer | Tanya Lattner <tonic@nondot.org> | 2010-03-11 23:41:22 +0000 |
| commit | 2e7c26b02e1c5d76d6bf8b243daa02428c3bde81 (patch) | |
| tree | 717064ab558c035a86693ae2074aacbfe51a95bd | |
| parent | acd2efdbc3bcc3dd231dfb7dba33b9d270586c05 (diff) | |
| download | llvm-2e7c26b02e1c5d76d6bf8b243daa02428c3bde81.zip llvm-2e7c26b02e1c5d76d6bf8b243daa02428c3bde81.tar.gz llvm-2e7c26b02e1c5d76d6bf8b243daa02428c3bde81.tar.bz2 | |
Merge 98042.
Don't try to fold V_SET0 and V_SETALLONES to loads in medium and
large code models.
llvm-svn: 98301
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
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_) { |