[gcc(refs/vendors/ARM/heads/arm-10)] Enable -fcode-hoisting with -Os.

[Stam Markianos-Wright]

https://gcc.gnu.org/g:0b3a129521934c5c65fa3603f7d22efe740632e4

commit 0b3a129521934c5c65fa3603f7d22efe740632e4
Author: Vidya Praveen <vidyapraveen@arm.com>
Date:   Fri Jun 19 17:01:03 2020 +0100

    Enable -fcode-hoisting with -Os.
    
        Author: Wilco Dijkstra <wdijkstr@arm.com>
    
        PR tree-optimization/80155
        * common/config/arm/arm-common.c (arm_option_optimization_table):
        Enable -fcode-hoisting with -Os.

Diff:
---
 gcc/common/config/arm/arm-common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/common/config/arm/arm-common.c b/gcc/common/config/arm/arm-common.c
index 78a779c9350..08615f65b8c 100644
--- a/gcc/common/config/arm/arm-common.c
+++ b/gcc/common/config/arm/arm-common.c
@@ -39,6 +39,8 @@ static const struct default_options arm_option_optimization_table[] =
     /* Enable section anchors by default at -O1 or higher.  */
     { OPT_LEVELS_1_PLUS, OPT_fsection_anchors, NULL, 1 },
     { OPT_LEVELS_1_PLUS, OPT_fsched_pressure, NULL, 1 },
+    /* Enable code hoisting only with -Os.  */
+    { OPT_LEVELS_SIZE, OPT_fcode_hoisting, NULL, 1 },
     { OPT_LEVELS_NONE, 0, NULL, 0 }
   };