Scope statement ???

[gyanindra mishra]

Hi,
  It seems people won't have much interest to answer in gcc group. Anyway 
hopefully I'll get atleast some information ab't my this question.
  While coming to a scope statement in the gcc flow, it allocates the 
block_stack & nesting_stack of the cfun->stmt structure. How is it related 
to the assembly generation from the RTL chain ??
Is it mandatory to allocate for it ?? Can't we proceed without it as scope 
statement emits only two note rtx(NOTE_INSN_BLOCK_BEG & NOTE_INSN_DELETED) 
which are not mandatory in RTL chain.

Thanks in Adv..
Mishra







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