On Thu, 17 Apr 2014 11:59:16 +0000 Zoran Jovanovic <zoran.jovano...@imgtec.com> wrote:
> --- a/gcc/doc/invoke.texi
> +++ b/gcc/doc/invoke.texi
> @@ -7789,6 +7789,11 @@ pointer alignment information.
> This pass only operates on local scalar variables and is enabled by default
> at @option{-O} and higher. It requires that @option{-ftree-ccp} is enabled.
>
> +@item -fmerge-bitfields
> +@opindex fmerge-bitfields
> +Combines several adjacent bit-field accesses that copy values
> +from one memory location to another into one single bit-field access.
> +
> @item -ftree-ccp
> @opindex ftree-ccp
> Perform sparse conditional constant propagation (CCP) on trees. This
Can you mention that it's enabled at level -O2 here? Also don't forget to
add it to the list of flags enabled by -O2 that appears earlier (@item -O2).
That list is woefully out of date but let's not make it any worse.
--
Ryan Hill psn: dirtyepic_sk
gcc-porting/toolchain/wxwidgets @ gentoo.org
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