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authorJan Hubicka <jh@suse.cz>2009-05-15 11:53:18 +0200
committerJan Hubicka <hubicka@gcc.gnu.org>2009-05-15 09:53:18 +0000
commit125cae84d04faa9a4eb33e238caa5955c9dadd5f (patch)
tree3b6a0db9e523f95f8ff7e24dd070b589651cf51b /gcc/doc/invoke.texi
parent602feda58d81ba6da4154cbb3e1bc3e9b6578a1e (diff)
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cgraph.c (dump_cgraph_node): Dump size/time/benefit.
* cgraph.c (dump_cgraph_node): Dump size/time/benefit. * cgraph.h (struct inline_summary): New filed self_wize, size_inlining_benefit, self_time and time_inlining_benefit. (struct cgraph_global_info): Replace insns by time ans size fields. * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size (ipcp_estimate_growth, ipcp_insert_stage): Likewise. (ipcp_update_callgraph): Do not touch function bodies. * ipa-inline.c: Include except.h MAX_TIME: New constant. (overall_insns): Remove (overall_size, max_benefit): New static variables. (cgraph_estimate_time_after_inlining): New function. (cgraph_estimate_size_after_inlining): Rewrite using benefits. (cgraph_clone_inlined_nodes): Update size. (cgraph_mark_inline_edge): Update size. (cgraph_estimate_growth): Use size info. (cgraph_check_inline_limits): Check size. (cgraph_default_inline_p): Likewise. (cgraph_edge_badness): Compute badness based on benefit and size cost. (cgraph_decide_recursive_inlining): Check size. (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times. (cgraph_decide_inlining): Likewise. (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS. (likely_eliminated_by_inlining_p): New predicate. (estimate_function_body_sizes): New function. (compute_inline_parameters): Use it. * except.c (must_not_throw_labels): New function. * except.h (must_not_throw_labels): Declare. * tree-inline.c (init_inline_once): Kill inlining_weigths * tree-ssa-structalias.c: Avoid uninitialized warning. * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300. (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60. (PARAM_INLINE_CALL_COST): Remove. (PARAM_EARLY_INLINING_INSNS): New. doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update. (inline-call-cost): Remove. (early-inlining-insns): New. From-SVN: r147566
Diffstat (limited to 'gcc/doc/invoke.texi')
-rw-r--r--gcc/doc/invoke.texi15
1 files changed, 5 insertions, 10 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index da5ea90..3dbb8c5 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -7375,7 +7375,7 @@ 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 450.
+The default value is 300.
@item max-inline-insns-auto
When you use @option{-finline-functions} (included in @option{-O3}),
@@ -7383,7 +7383,7 @@ 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 90.
+The default value is 60.
@item large-function-insns
The limit specifying really large functions. For functions larger than this
@@ -7461,14 +7461,9 @@ given call expression. This parameter limits inlining only to call expression
whose probability exceeds given threshold (in percents). The default value is
10.
-@item inline-call-cost
-Specify cost of call instruction relative to simple arithmetics operations
-(having cost of 1). Increasing this cost disqualifies inlining of non-leaf
-functions and at the same time increases size of leaf function that is believed to
-reduce function size by being inlined. In effect it increases amount of
-inlining for code having large abstraction penalty (many functions that just
-pass the arguments to other functions) and decrease inlining for code with low
-abstraction penalty. The default value is 12.
+@item early-inlining-insns
+Specify growth that early inliner can make. In effect it increases amount of
+inlining for code having large abstraction penalty. The default value is 12.
@item min-vect-loop-bound
The minimum number of iterations under which a loop will not get vectorized