Fix an issue using render to main in combination with the log window or console window, in which the renderer was not resized when the panes were resized.
Also refresh the log window at that time so artifacts are cleared.
A little more code cleanup of the debugger windows.
Merge JIT instructions when loading 32-bits immediate values :
PowerPC needs 2 instructions to load a 32-bits immediate value in a register (lis + addi; lis + ori). We can merge both instructions into a single SetImmediate().
This commit shares code with r5799, so to prevent another flame war on OSX vs Windows, I added #ifdef around the «bad» lines…
Fix an issue introduced in my last commit. When the debugger is not used and the log or console windows are closed from the menu the notebook is not closed.