prologue and epilogue if the adjustment is 8. Similarly, use pushl / popl if
the adjustment is 4 in 32-bit mode.
In the epilogue, takes care to pop to a caller-saved register that's not live
at the exit (either return or tailcall instruction).
rdar://8771137
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122783 91177308-0d34-0410-b5e6-96231b3b80d8
be more complete. These are only expected to be used by llvm-mc with assembly
source so there is no pattern, [], in the .td files. Most are being added to
X86InstrInfo.td as Chris suggested and only comments about register uses are
added. Suggestions welcome on the .td changes as I'm not sure on every detail
of the x86 records. More missing instructions will be coming.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116716 91177308-0d34-0410-b5e6-96231b3b80d8
control flow stuff out to X86InstrControl.td. Move
some compiler pseudo instructions and Pat<> patterns
out to X86InstrCompiler.td
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115596 91177308-0d34-0410-b5e6-96231b3b80d8
