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Probably inaccuracy in GCC 4.7.0 documentation.
- From: Роман Саженков <r-o-m-m-y at yandex dot ru>
- To: gcc at gcc dot gnu dot org
- Date: Wed, 16 May 2012 11:37:19 +0400
- Subject: Probably inaccuracy in GCC 4.7.0 documentation.
Hello, GNU GCC team.
It seems like I've found an inaccuracy in GCC 4.7.0 documentation. It is about -fdefer-pop optimization option. The point is that this option is mentioned in the list of optimization flags which -O1 turns on (Chapter 3: GCC Command Options, part 3.10 Options That Control Optimization, page 107/766 of http://gcc.gnu.org/onlinedocs/gcc-4.7.0/gcc.pdf), but there are no any other allusions to -fdefer-pop in the document, even in 3.1 Option Summary, where it is expected to be. There is no explanation of what this flag does in HTML version of the document too (here [http://gcc.gnu.org/onlinedocs/gcc-4.7.0/gcc/Optimize-Options.html#Optimize-Options] and here [http://gcc.gnu.org/onlinedocs/gcc-4.7.0/gcc/Option-Summary.html#Option-Summary]). I'm guessing that this flag is not further supported by GCC, or not yet implemented.
The statements above are valid for May 16, 2012.
May I give you my best wishes,
Roman Sazhenkov