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[AArch64] Enable compare branch fusion
authorWilco Dijkstra <wdijkstr@arm.com>
Fri, 17 Jan 2020 14:27:14 +0000 (14:27 +0000)
committerWilco Dijkstra <wdijkstr@arm.com>
Fri, 17 Jan 2020 14:28:30 +0000 (14:28 +0000)
commit6ed8c923325c9b2fcb30996fa14582ac136d9329
treea0da09c53e25fefd8d423f07a018e214d213ab50tree
parenteff9c61dfb082cb3ea26f354d795e4098ec76866commit | diff
[AArch64] Enable compare branch fusion

Enable the most basic form of compare-branch fusion since various CPUs
support it. This has no measurable effect on cores which don't support
branch fusion, but increases fusion opportunities on cores which do.

gcc/
* config/aarch64/aarch64.c (generic_tunings): Add branch fusion.
(neoversen1_tunings): Likewise.
gcc/ChangeLog diff | blob | blame | history
gcc/config/aarch64/aarch64.c diff | blob | blame | history
Mirror of https://gcc.gnu.org/git/gcc.git