Consider any instruction that modifies the stack pointer to be a scheduling region boundary.  This isn't necessary for correctness; it helps with compile time, as it avoids the need for data- and anti-dependencies from all spills and reloads on the stack-pointer modification.
Consider any instruction that modifies the stack pointer to be
a scheduling region boundary.  This isn't necessary for
correctness; it helps with compile time, as it avoids the need
for data- and anti-dependencies from all spills and reloads on
the stack-pointer modification.


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@64255 91177308-0d34-0410-b5e6-96231b3b80d8

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