gcc/ChangeLog:
* config/csky/csky.opt (TARGET_BACKTRACE): New.
* doc/invoke.texi (C-SKY Options): Document -mbacktrace.
---
gcc/config/csky/csky.opt | 4 ++++
gcc/doc/invoke.texi | 7 ++++++-
2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/gcc/config/csky/csky.opt b/gcc/config/csky/csky.opt
index 60b51e5..00fa343 100644
--- a/gcc/config/csky/csky.opt
+++ b/gcc/config/csky/csky.opt
@@ -192,3 +192,7 @@ Set the branch costs to roughly the specified number of
instructions.
msched-prolog
Target Report Var(flag_sched_prolog) Init(0)
Permit scheduling of function prologue and epilogue sequences.
+
+mbacktrace
+Target Report Var(TARGET_BACKTRACE) Init(0) Undocumented
+Generate code can be backtraced.
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 6352eab..41d0634 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -821,7 +821,7 @@ Objective-C and Objective-C++ Dialects}.
-mdsp -medsp -mvdsp @gol
-mdiv -msmart -mhigh-registers -manchor @gol
-mpushpop -mmultiple-stld -mconstpool -mstack-size -mccrt @gol
--mbranch-cost=@var{n} -mcse-cc -msched-prolog}
+-mbranch-cost=@var{n} -mcse-cc -msched-prolog -mbacktrace}
@emph{Darwin Options}
@gccoptlist{-all_load -allowable_client -arch -arch_errors_fatal @gol
@@ -20434,6 +20434,11 @@ this option can result in code that is not compliant
with the C-SKY V2 ABI
prologue requirements and that cannot be debugged or backtraced.
It is disabled by default.
+@item -mbacktrace
+@itemx -mno-backtrace
+@opindex mbacktrace
+Generate code can be backtraced. This option defaults to off.
+
@end table
@node Darwin Options
--
1.9.1
