From 3b75d796acf9c22722078351834c383093297e01 Mon Sep 17 00:00:00 2001
From: Jan Hubicka <jh@suse.cz>
Date: Sat, 17 Jan 2004 01:03:14 +0100
Subject: c-common.c (c_estimate_num_insns_1): Handle builtin_constant_p and
builtin_expect specially.
* c-common.c (c_estimate_num_insns_1): Handle builtin_constant_p and
builtin_expect specially.
* params.def (PARAM_MAX_INLINE_INSNS_AUTO): Set to 100.
(PARAM_LARGE_FUNCTION_INSNS): Set to 3000.
* invoke.texi (max-inline-insns-single): Set to 100.
(large-function-insns): Set to 3000.
From-SVN: r76007
---
gcc/ChangeLog | 9 +++++++++
gcc/c-common.c | 19 ++++++++++++++++++-
gcc/doc/invoke.texi | 4 ++--
gcc/params.def | 4 ++--
4 files changed, 31 insertions(+), 5 deletions(-)
(limited to 'gcc')
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8a3d1fd..8d017a1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2004-01-17 Jan Hubicka <jh@suse.cz>
+
+ * c-common.c (c_estimate_num_insns_1): Handle builtin_constant_p and
+ builtin_expect specially.
+ * params.def (PARAM_MAX_INLINE_INSNS_AUTO): Set to 100.
+ (PARAM_LARGE_FUNCTION_INSNS): Set to 3000.
+ * invoke.texi (max-inline-insns-single): Set to 100.
+ (large-function-insns): Set to 3000.
+
2004-01-16 Eric Christopher <echristo@redhat.com>
Chandrakala Chavva <cchavva@redhat.com>
diff --git a/gcc/c-common.c b/gcc/c-common.c
index dcd540b..87ff053 100644
--- a/gcc/c-common.c
+++ b/gcc/c-common.c
@@ -5780,6 +5780,24 @@ c_estimate_num_insns_1 (tree *tp, int *walk_subtrees, void *data)
*count += ((size + MOVE_MAX_PIECES - 1) / MOVE_MAX_PIECES);
}
break;
+ case CALL_EXPR:
+ {
+ tree decl = get_callee_fndecl (x);
+
+ if (decl && DECL_BUILT_IN (decl))
+ switch (DECL_FUNCTION_CODE (decl))
+ {
+ case BUILT_IN_CONSTANT_P:
+ *walk_subtrees = 0;
+ return NULL_TREE;
+ case BUILT_IN_EXPECT:
+ return NULL_TREE;
+ default:
+ break;
+ }
+ *count += 10;
+ break;
+ }
/* Few special cases of expensive operations. This is usefull
to avoid inlining on functions having too many of these. */
case TRUNC_DIV_EXPR:
@@ -5791,7 +5809,6 @@ c_estimate_num_insns_1 (tree *tp, int *walk_subtrees, void *data)
case FLOOR_MOD_EXPR:
case ROUND_MOD_EXPR:
case RDIV_EXPR:
- case CALL_EXPR:
*count += 10;
break;
/* Various containers that will produce no code themselves. */
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index f7182f0..be25392 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -4715,7 +4715,7 @@ 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 150.
+The default value is 120.
@item large-function-insns
The limit specifying really large functions. For functions greater than this
@@ -4723,7 +4723,7 @@ limit inlining is constrained by @option{--param large-function-growth}.
This parameter is useful primarily 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 30000.
+The default value is 3000.
@item large-function-growth
Specifies maximal growth of large functtion caused by inlining in percents.
diff --git a/gcc/params.def b/gcc/params.def
index 3f0d15b..0d90509 100644
--- a/gcc/params.def
+++ b/gcc/params.def
@@ -63,7 +63,7 @@ DEFPARAM (PARAM_MAX_INLINE_INSNS_SINGLE,
DEFPARAM (PARAM_MAX_INLINE_INSNS_AUTO,
"max-inline-insns-auto",
"The maximum number of instructions when automatically inlining",
- 150)
+ 120)
/* For languages that (still) use the RTL inliner, we can specify
limits for the RTL inliner separately.
@@ -110,7 +110,7 @@ DEFPARAM(PARAM_MAX_PENDING_LIST_LENGTH,
DEFPARAM(PARAM_LARGE_FUNCTION_INSNS,
"large-function-insns",
"The size of function body to be considered large",
- 10000)
+ 3000)
DEFPARAM(PARAM_LARGE_FUNCTION_GROWTH,
"large-function-growth",
"Maximal growth due to inlining of large function (in percent)",
--
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