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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 | 772952f46e7d69397cbf56a5e66acf509102cf21 (patch) | |
| tree | f9994fa06017eb9d89e95321af4d70af923e4460 /llvm/lib | |
| parent | 46ffefc66ce5de50708898771d403ec541a958f1 (diff) | |
| download | bcm5719-llvm-772952f46e7d69397cbf56a5e66acf509102cf21.tar.gz bcm5719-llvm-772952f46e7d69397cbf56a5e66acf509102cf21.zip | |
Don't try to fold V_SET0 and V_SETALLONES to loads in medium and
large code models.
llvm-svn: 98042
Diffstat (limited to 'llvm/lib')
| -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 39bda04b4d1..4fd91bbc2fd 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_) { |
