From: Andi Kleen <ak@gcc.gnu.org>
Date: Tue, 4 Feb 2025 16:42:36 +0000 (-0800)
Subject: Fix file cache tunables documentation
X-Git-Tag: basepoints/gcc-16~2196
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a506abfa07bbc4298bf6a2d73e25051c8496dc46;p=thirdparty%2Fgcc.git

Fix file cache tunables documentation

Document new params in invoke.texi.

The auto tuning description was on the wrong tunable, move to lines.

Comitted as obvious.

gcc/ChangeLog:

	* doc/invoke.texi: Document file cache tunables.
	* params.opt: Move auto tuning description to lines.
---

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index dddde54a287..9050ffa59dd 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -13010,6 +13010,16 @@ having large chains of nested wrapper functions.
 
 Enabled by default.
 
+@item -ffile-cache-files=
+Max number of files in the file cache.
+The file cache is used to print source lines in diagnostics and do some
+source checks like @option{-Wmisleading-indentation}.
+
+@item -ffile-cache-files=
+Max number of lines to index into file cache. When 0 this is automatically sized.
+The file cache is used to print source lines in diagnostics and do some
+source checks like @option{-Wmisleading-indentation}.
+
 @opindex fipa-sra
 @item -fipa-sra
 Perform interprocedural scalar replacement of aggregates, removal of
diff --git a/gcc/params.opt b/gcc/params.opt
index d84e35679e6..4f4eb4d7a2a 100644
--- a/gcc/params.opt
+++ b/gcc/params.opt
@@ -136,11 +136,11 @@ Maximal estimated growth of function body caused by early inlining of single cal
 
 -param=file-cache-files=
 Common Joined UInteger Var(param_file_cache_files) Init(16) Param
-Max number of files in the file cache. When 0 this is automatically sized.
+Max number of files in the file cache.
 
 -param=file-cache-lines=
 Common Joined UInteger Var(param_file_cache_lines) Init(0) Param
-Max number of lines to index into file cache.
+Max number of lines to index into file cache. When 0 this is automatically sized.
 
 -param=fsm-scale-path-stmts=
 Common Joined UInteger Var(param_fsm_scale_path_stmts) Init(2) IntegerRange(1, 10) Param Optimization