decomp: the majority of navigate and rolling-lightning-mole (#741)

* decomp: Add texture-upload to ref tests

* maybe 50% done?

* 5 functions to go!

* decomp: stuck in `navigate`

* work-around fp issue

* some cleanup and label casts

* working on supporting asm instructions -- this is currently WRONG

* support ASM operations

* fixes for asm op support

* decomp: finish the vast majority of `navigate`

* format

* update test though i think this suggests a regression!

* decomp: cleanup some more of navigate

* decomp: finish `rolling-lightning-mole`

* revert `r0` handling for `pcpyud` and `pextuw`

* update ref tests

* lint

* fix a failing test

* help

* navigate mostly works now, with some potential bugs

* remove my debugging logs

* update ref tests

* review feedback cleanup

* these are all likely fine

* can't get the crab to chase me anymore

* the crab is back

test/decompiler/test_FormExpressionBuild2.cpp

@@ -1613,4 +1613,4 @@ TEST_F(FormRegressionTest, VectorLineDistance) {
       "  )";
   test_with_stack_structures(func, type, expected,
                              R"([[16, "vector"], [32, "vector"], [48, "vector"], [64, "vector"]])");
-}
+}