[gcc(refs/users/marxin/heads/marxin-gcc-benchmark-branch)] arc: Don't use if-conversion when optimizing for size.

[Martin Liska]

https://gcc.gnu.org/g:ac5e8d2fa0c3a44a0576e11b758fbecc9a1a2f99

commit ac5e8d2fa0c3a44a0576e11b758fbecc9a1a2f99
Author: Claudiu Zissulescu <claziss@gmail.com>
Date:   Thu Feb 13 12:32:05 2020 +0200

    arc: Don't use if-conversion when optimizing for size.
    
    For ARC, predicated instructions are not very friendly with size
    optimizations, leading to increased object size. Disable if-conversion
    step when optimized for size.
    
    gcc/
    xxxx-xx-xx  Claudiu Zissulescu  <claziss@synopsys.com>
    
            * common/config/arc/arc-common.c (arc_option_optimization_table):
            Disable if-conversion step when optimized for size.
    
    Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>

Diff:
---
 gcc/ChangeLog                      | 5 +++++
 gcc/common/config/arc/arc-common.c | 1 +
 2 files changed, 6 insertions(+)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dc5e403637b..41498390c21 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>
+
+	* common/config/arc/arc-common.c (arc_option_optimization_table):
+	Disable if-conversion step when optimized for size.
+
 2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>
 
 	* config/arc/arc.c (arc_conditional_register_usage): R0-R3 and
diff --git a/gcc/common/config/arc/arc-common.c b/gcc/common/config/arc/arc-common.c
index 082aa09283d..14c20123c70 100644
--- a/gcc/common/config/arc/arc-common.c
+++ b/gcc/common/config/arc/arc-common.c
@@ -59,6 +59,7 @@ static const struct default_options arc_option_optimization_table[] =
     { OPT_LEVELS_SIZE, OPT_mcase_vector_pcrel, NULL, 1 },
     { OPT_LEVELS_SIZE, OPT_msize_level_, NULL, 3 },
     { OPT_LEVELS_SIZE, OPT_mmillicode, NULL, 1 },
+    { OPT_LEVELS_SIZE, OPT_fif_conversion, NULL, 0 },
     { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
     { OPT_LEVELS_3_PLUS_SPEED_ONLY, OPT_msize_level_, NULL, 0 },
     { OPT_LEVELS_3_PLUS_SPEED_ONLY, OPT_malign_call, NULL, 1 },