> This patch removes REG_DEAD and REG_UNUSED notes in update_inc_notes, > as it is what the function is supposed to do (see the comments) and as > keeping these notes produce some failures, at least on ARM.
The description is too terse. In the RTL middle-end, you shouldn't have to manually deal with the REG_DEAD and REG_UNUSED notes (unlike REG_EQUAL and REG_EQUIV notes), as the DF framework is supposed to do it for you. -- Eric Botcazou
