doc: Add documentation for rtl-ssa
authorRichard Sandiford <richard.sandiford@arm.com>
Thu, 17 Dec 2020 00:15:11 +0000 (00:15 +0000)
committerRichard Sandiford <richard.sandiford@arm.com>
Thu, 17 Dec 2020 00:15:11 +0000 (00:15 +0000)
commit47d52e17adf48093cc30d01707652018deb32a6c
tree445722a9b0cbd46b0b62d32af08152163b3af8d8
parenta20cc01679040fb3b069285a638e3a469c688159
doc: Add documentation for rtl-ssa

This patch adds some documentation to rtl.texi about the SSA form.
It only really describes the high-level structure -- I think for
API-level stuff it's better to rely on function comments instead.

gcc/
* doc/rtl.texi (RTL SSA): New node.
gcc/doc/rtl.texi