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Re: trouble emilinating redundant compares
On 17/01/2012 21:16, Paul S wrote:
> For example the i386 seems to use predicates and constraints of the form
> <*_operand> and <m/r/i> for the reload versions of these instructions -
> and I haven't been able to find definitions of these or a mention in
> gcc_internals.pdf of any special meaning assigned to the <> notation.
See http://gcc.gnu.org/onlinedocs/gccint/Substitutions.html, and take a look
for the define_[code/mode]_[attr/iterator] definitions around line ~650ish of