[PATCH 1/2] [RISC-V] disable shrink-wrap-separate if zcmp enabled.

[Fei Gao <gaofei@eswincomputing.com>]

zcmp aims to reduce code size, while shrink-wrap-separate prefers
speed to code size. So disable shrink-wrap-separate if zcmp
enabled, just like what save-restore has done.

author: Zhangjin Liao liaozhangjin@eswincomputing.com

gcc/ChangeLog:

        * config/riscv/riscv.cc (riscv_get_separate_components):
---
 gcc/config/riscv/riscv.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc
index 45a63cab9c9..629e5e45cac 100644
--- a/gcc/config/riscv/riscv.cc
+++ b/gcc/config/riscv/riscv.cc
@@ -5729,7 +5729,8 @@ riscv_get_separate_components (void)
 
   if (riscv_use_save_libcall (&cfun->machine->frame)
       || cfun->machine->interrupt_handler_p
-      || !cfun->machine->frame.gp_sp_offset.is_constant ())
+      || !cfun->machine->frame.gp_sp_offset.is_constant ()
+      || TARGET_ZCMP)
     return components;
 
   offset = cfun->machine->frame.gp_sp_offset.to_constant ();
-- 
2.17.1