Hello All:
This is the patch-1 for improving ree pass for rs6000 target.
Bootstrapped and regtested on powerpc64-linux-gnu.
Thanks & Regards
Ajit
ree: Improve ree pass for rs6000 target.
Add ree pass as a default pass for rs6000 target.
2023-04-19 Ajit Kumar Agarwal <aagar...@linux.ibm.com>
gcc/ChangeLog:
* common/config/rs6000/rs6000-common.cc: Add REE pass as a
default rs6000 target pass for O2 and above.
---
gcc/common/config/rs6000/rs6000-common.cc | 2 ++
1 file changed, 2 insertions(+)
diff --git a/gcc/common/config/rs6000/rs6000-common.cc
b/gcc/common/config/rs6000/rs6000-common.cc
index 2140c442ba9..968db215028 100644
--- a/gcc/common/config/rs6000/rs6000-common.cc
+++ b/gcc/common/config/rs6000/rs6000-common.cc
@@ -34,6 +34,8 @@ static const struct default_options
rs6000_option_optimization_table[] =
{ OPT_LEVELS_ALL, OPT_fsplit_wide_types_early, NULL, 1 },
/* Enable -fsched-pressure for first pass instruction scheduling. */
{ OPT_LEVELS_1_PLUS, OPT_fsched_pressure, NULL, 1 },
+ /* Enable -free for zero extension and sign extension elimination.*/
+ { OPT_LEVELS_2_PLUS, OPT_free, NULL, 1 },
/* Enable -munroll-only-small-loops with -funroll-loops to unroll small
loops at -O2 and above by default. */
{ OPT_LEVELS_2_PLUS_SPEED_ONLY, OPT_funroll_loops, NULL, 1 },
--
2.31.1
