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Prevent unnecessary recompilation for trivial params.def changes

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2015-09-08  Tom de Vries  <tom@codesourcery.com>

	* Makefile.in (generated_files): Add params.list.
	(params.list, s-params.list): Add rule.
	* params.h (enum compiler_param): Include params-list.h.  Move define
	DEFPARAM, include params.def and undef DEFPARAM ...
	* params-list.h: ... here.  New file.

From-SVN: r227566
This commit is contained in:
Tom de Vries 2015-09-08 21:20:51 +00:00 • committed by Tom de Vries
parent 2e808a784d
commit b71a678232
4 changed files with 20 additions and 5 deletions
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8
gcc/ChangeLog
View file

@ -1,3 +1,11 @@
2015-09-08 Tom de Vries <tom@codesourcery.com>
* Makefile.in (generated_files): Add params.list.
(params.list, s-params.list): Add rule.
* params.h (enum compiler_param): Include params-list.h. Move define
DEFPARAM, include params.def and undef DEFPARAM ...
* params-list.h: ... here. New file.
2015-09-08 David Malcolm <dmalcolm@redhat.com>
* pretty-print.h (printer_fn): Fix typo in comment.

8
gcc/Makefile.in
View file

@ -2415,7 +2415,7 @@ generated_files = config.h tm.h $(TM_P_H) $(TM_H) multilib.h \
$(ALL_GTFILES_H) gtype-desc.c gtype-desc.h gcov-iov.h \
options.h target-hooks-def.h insn-opinit.h \
common/common-target-hooks-def.h pass-instances.def \
c-family/c-target-hooks-def.h
c-family/c-target-hooks-def.h params.list
#
# How to compile object files to run on the build machine.
@ -3236,6 +3236,12 @@ installdirs:
$(mkinstalldirs) $(DESTDIR)$(man1dir)
$(mkinstalldirs) $(DESTDIR)$(man7dir)
params.list: s-params.list; @true
s-params.list: $(srcdir)/params-list.h $(srcdir)/params.def
$(CPP) $(srcdir)/params-list.h | sed 's/^#.*//;/^$$/d' > tmp-params.list
$(SHELL) $(srcdir)/../move-if-change tmp-params.list params.list
$(STAMP) s-params.list
PLUGIN_HEADERS = $(TREE_H) $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
toplev.h $(DIAGNOSTIC_CORE_H) $(BASIC_BLOCK_H) $(HASH_TABLE_H) \
tree-ssa-alias.h $(INTERNAL_FN_H) gimple-fold.h tree-eh.h gimple-expr.h \

4
gcc/params-list.h Normal file
View file

@ -0,0 +1,4 @@
#define DEFPARAM(enumerator, option, nocmsgid, default, min, max) \
enumerator,
#include "params.def"
#undef DEFPARAM

5
gcc/params.h
View file

@ -81,10 +81,7 @@ extern void set_param_value (const char *name, int value,
enum compiler_param
{
#define DEFPARAM(enumerator, option, nocmsgid, default, min, max) \
enumerator,
#include "params.def"
#undef DEFPARAM
#include "params.list"
LAST_PARAM
};