diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 2e08c4f..bd9f430 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -5518,7 +5518,7 @@ This number sets the maximum number of instructions (counted in GCC's internal representation) in a single function that the tree inliner will consider for inlining. This only affects functions declared inline and methods implemented in a class declaration (C++). -The default value is 500. +The default value is 450. @item max-inline-insns-auto When you use @option{-finline-functions} (included in @option{-O3}), @@ -5526,7 +5526,7 @@ a lot of functions that would otherwise not be considered for inlining by the compiler will be investigated. To those functions, a different (more restrictive) limit compared to functions declared inline can be applied. -The default value is 120. +The default value is 90. @item large-function-insns The limit specifying really large functions. For functions larger than this @@ -5535,7 +5535,7 @@ limit after inlining inlining is constrained by to avoid extreme compilation time caused by non-linear algorithms used by the backend. This parameter is ignored when @option{-funit-at-a-time} is not used. -The default value is 3000. +The default value is 2700. @item large-function-growth Specifies maximal growth of large function caused by inlining in percents. @@ -5558,7 +5558,7 @@ For functions declared inline @option{--param max-inline-insns-recursive} is taken into acount. For function not declared inline, recursive inlining happens only when @option{-finline-functions} (included in @option{-O3}) is enabled and @option{--param max-inline-insns-recursive-auto} is used. The -default value is 500. +default value is 450. @item max-inline-recursive-depth @itemx max-inline-recursive-depth-auto @@ -5568,7 +5568,16 @@ For functions declared inline @option{--param max-inline-recursive-depth} is taken into acount. For function not declared inline, recursive inlining happens only when @option{-finline-functions} (included in @option{-O3}) is enabled and @option{--param max-inline-recursive-depth-auto} is used. The -default value is 500. +default value is 450. + +@item inline-call-cost +Specify cost of call instruction relative to simple arithmetics operations +(having cost of 1). Increasing this cost disqualify inlinining of non-leaf +functions and at same time increase size of leaf function that is believed to +reduce function size by being inlined. In effect it increase amount of +inlining for code having large abstraction penalty (many functions that just +pass the argumetns to other functions) and decrease inlining for code with low +abstraction penalty. Default value is 16. @item max-unrolled-insns The maximum number of instructions that a loop should have if that loop |