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Does anyone know if this really needs to be an immutable pass? Was it done this way for efficiency? I am trying to see if I can turn it into a function pass. Playing with it for an hour I made the compilation changes but ran into a bunch of "make check" failures. I'm wondering if the module level passes are dependent on this pass. Tia. Reed

On Mar 22, 2013, at 5:06 PM, reed kotler <rkotler at mips.com> wrote: > Does anyone know if this really needs to be an immutable pass? [snip] I don't know the answers to your questions, but ARM allows mixed ARM and THUMB instructions using the blx instruction. Can you not do something similar to what the ARM backend does to handle it? -- Stephen Checkoway