From 39e5a954c156f7af16aa1a8f87405433d8031c4e Mon Sep 17 00:00:00 2001 From: Claudiu Zissulescu Date: Fri, 4 Jun 2021 10:12:32 +0300 Subject: [PATCH] arc: Don't allow millicode thunks with reduced register set CPUs. The millicode thunks are not reduced register set safe. Disable them for CPUs having this option on. gcc/ 2021-06-04 Claudiu Zissulescu * config/arc/arc.c (arc_override_options): Disable millicode thunks when RF16 is on. Signed-off-by: Claudiu Zissulescu --- gcc/config/arc/arc.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c index b77d0566386f..0d34c9649638 100644 --- a/gcc/config/arc/arc.c +++ b/gcc/config/arc/arc.c @@ -1451,8 +1451,10 @@ arc_override_options (void) if (TARGET_ARC700 && (arc_tune != ARC_TUNE_ARC7XX)) flag_delayed_branch = 0; - /* Millicode thunks doesn't work with long calls. */ - if (TARGET_LONG_CALLS_SET) + /* Millicode thunks doesn't work for long calls. */ + if (TARGET_LONG_CALLS_SET + /* neither for RF16. */ + || TARGET_RF16) target_flags &= ~MASK_MILLICODE_THUNK_SET; /* Set unaligned to all HS cpus. */ -- 2.47.2