On 11/24/2016 08:30 AM, Eric Botcazou wrote:
Tests showed that it helps to eliminates redundant 32-to-64-bit extensions.
Tested on SPARC/Solaris, applied on the mainline.
2016-11-24 Eric Botcazou <ebotca...@adacore.com>
* common/config/sparc/sparc-common.c (option_optimization_table):
Enable REE at -O2 and higher.
* config/sparc/sparc.c (sparc_option_override): Disable it by default
in 32-bit mode.
Very cool. Ideally all targets would enable REE, but we're obviously
not there yet.
With the fixes you've just done it's probably a lot more feasible to
experiment with REE on other risc targets.
jeff
