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Re: Request for documentation: Do "define_instruction_and_split" patterns apply also in the combiner pass?
- From: Ben Elliston <bje at au dot ibm dot com>
- To: gcc at gcc dot gnu dot org
- Date: 23 Dec 2004 16:40:44 +1100
- Subject: Re: Request for documentation: Do "define_instruction_and_split" patterns apply also in the combiner pass?
- References: <NHBBICPFILBCHCOLFDGEIEACCBAA.bjoern.m.haase@web.de>
Björn Haase <bjoern.m.haase@web.de> writes:
> I am presently working on the back-end of the avr port and got stuck
> when planning improvements of the back-end. When looking at the arm
> port, e.g., it seems that the compiler knows
> "define_instruction_and_split" patterns that are so far not
> documented in the gcc manual.
I assume you're talking about define_insn_and_split, which is indeed
documented. Are you sure you've not confused it by name?
http://gcc.gnu.org/onlinedocs/gccint/Insn-Splitting.html#Insn-Splitting
Ben