diff options
| author | vondele <vondele@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-10-19 10:24:37 +0000 |
|---|---|---|
| committer | vondele <vondele@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-10-19 10:24:37 +0000 |
| commit | c071eedcfe0006760508441c11f8d64802d472e4 (patch) | |
| tree | 29da81662086457f8b063de69a5914e50c81d499 /gcc | |
| parent | cd5ad70a2a1af200e0087490d30a857a2fa24a36 (diff) | |
| download | gcc-c071eedcfe0006760508441c11f8d64802d472e4.tar.gz | |
Fix PR68002, add -fkeep-static-functions
gcc/ChangeLog:
2015-10-17 Joost VandeVondele <vondele@gnu.gcc.org>
PR middle-end/68002
* common.opt (fkeep-static-functions): New option.
* doc/invoke.texi: Document it.
* cgraphunit.c (cgraph_node::finalize_function): Use it.
gcc/testsuite/ChangeLog:
2015-10-17 Joost VandeVondele <vondele@gnu.gcc.org>
PR middle-end/68002
* gcc.dg/PR68002.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@228965 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/cgraphunit.c | 2 | ||||
| -rw-r--r-- | gcc/common.opt | 4 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 9 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/PR68002.c | 7 |
6 files changed, 31 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c9a1a11ca08..43d6a3f83bf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2015-10-19 Joost VandeVondele <vondele@gnu.gcc.org> + + PR middle-end/68002 + * common.opt (fkeep-static-functions): New option. + * doc/invoke.texi: Document it. + * cgraphunit.c (cgraph_node::finalize_function): Use it. + 2015-10-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com> * sched-int.h (struct autopref_multipass_data_): Remove offset diff --git a/gcc/cgraphunit.c b/gcc/cgraphunit.c index 04a4d3f1100..0b0c0f4b6f4 100644 --- a/gcc/cgraphunit.c +++ b/gcc/cgraphunit.c @@ -451,7 +451,7 @@ cgraph_node::finalize_function (tree decl, bool no_collect) declared inline and nested functions. These were optimized out in the original implementation and it is unclear whether we want to change the behavior here. */ - if ((!opt_for_fn (decl, optimize) + if (((!opt_for_fn (decl, optimize) || flag_keep_static_functions) && !node->cpp_implicit_alias && !DECL_DISREGARD_INLINE_LIMITS (decl) && !DECL_DECLARED_INLINE_P (decl) diff --git a/gcc/common.opt b/gcc/common.opt index 50602082173..224d3ad7fbd 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -1589,6 +1589,10 @@ fkeep-inline-functions Common Report Var(flag_keep_inline_functions) Generate code for functions even if they are fully inlined +fkeep-static-functions +Common Report Var(flag_keep_static_functions) +Generate code for static functions even if they are never called + fkeep-static-consts Common Report Var(flag_keep_static_consts) Init(1) Emit static const variables even if they are not used diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 54e9f128634..dba40230360 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -410,8 +410,8 @@ Objective-C and Objective-C++ Dialects}. -fira-loop-pressure -fno-ira-share-save-slots @gol -fno-ira-share-spill-slots -fira-verbose=@var{n} @gol -fisolate-erroneous-paths-dereference -fisolate-erroneous-paths-attribute @gol --fivopts -fkeep-inline-functions -fkeep-static-consts @gol --flive-range-shrinkage @gol +-fivopts -fkeep-inline-functions -fkeep-static-functions @gol +-fkeep-static-consts -flive-range-shrinkage @gol -floop-block -floop-interchange -floop-strip-mine @gol -floop-unroll-and-jam -floop-nest-optimize @gol -floop-parallelize-all -flra-remat -flto -flto-compression-level @gol @@ -8013,6 +8013,11 @@ of its callers. This switch does not affect functions using the @code{extern inline} extension in GNU C90@. In C++, emit any and all inline functions into the object file. +@item -fkeep-static-functions +@optindex fkeep-static-functions +Emit @code{static} functions into the object file, even if the function +is never used. + @item -fkeep-static-consts @opindex fkeep-static-consts Emit variables declared @code{static const} when optimization isn't turned diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 380297d91fb..874632de3b2 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2015-10-17 Joost VandeVondele <vondele@gnu.gcc.org> + + PR middle-end/68002 + * gcc.dg/PR68002.c: New test. + 2015-10-19 Richard Sandiford <richard.sandiford@arm.com> * gcc.dg/builtins-20.c: Remove undefined behavior. diff --git a/gcc/testsuite/gcc.dg/PR68002.c b/gcc/testsuite/gcc.dg/PR68002.c new file mode 100644 index 00000000000..b61b0950f19 --- /dev/null +++ b/gcc/testsuite/gcc.dg/PR68002.c @@ -0,0 +1,7 @@ +/* Ensure static functions can be kept. */ +/* { dg-do compile } */ +/* { dg-options "-O1 -fkeep-static-functions" } */ + +static void bar () { } + +/* { dg-final { scan-assembler "bar" } } */ |