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opts.c (decode_options): Enable unit-at-a-time at -O2.

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* opts.c (decode_options): Enable unit-at-a-time at -O2.
	* params.def (max-inline-insns-single): Set to 500
	(max-inline-insns-auto): Set to 150
	* invoke.texi (max-inline-insns-single, max-inline-insns-auto): Update.

From-SVN: r71105
This commit is contained in:
Jan Hubicka 2003-09-05 07:36:47 +02:00 committed by Jan Hubicka
parent 8dafba3ca4
commit 1f95c73329
4 changed files with 12 additions and 5 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
Fri Sep 5 07:35:16 CEST 2003 Jan Hubicka <jh@suse.cz>
* opts.c (decode_options): Enable unit-at-a-time at -O2.
* params.def (max-inline-insns-single): Set to 500
(max-inline-insns-auto): Set to 150
* invoke.texi (max-inline-insns-single, max-inline-insns-auto): Update.
2003-09-04 Richard Henderson <rth@redhat.com>
* cgraph.c (cgraph_mark_reachable_node): Split out from ...

4
gcc/doc/invoke.texi
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@ -4591,7 +4591,7 @@ 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 100.
The default value is 500.
@item max-inline-insns-auto
When you use @option{-finline-functions} (included in @option{-O3}),
@ -4599,7 +4599,7 @@ 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 100.
The default value is 150.
@item max-inline-insns
The tree inliner does decrease the allowable size for single functions

2
gcc/opts.c
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@ -556,6 +556,7 @@ decode_options (unsigned int argc, const char **argv)
flag_delete_null_pointer_checks = 1;
flag_reorder_blocks = 1;
flag_reorder_functions = 1;
flag_unit_at_a_time = 1;
}
if (optimize >= 3)
@ -563,7 +564,6 @@ decode_options (unsigned int argc, const char **argv)
flag_inline_functions = 1;
flag_rename_registers = 1;
flag_unswitch_loops = 1;
flag_unit_at_a_time = 1;
}
if (optimize < 2 || optimize_size)

4
gcc/params.def
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@ -51,7 +51,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
DEFPARAM (PARAM_MAX_INLINE_INSNS_SINGLE,
"max-inline-insns-single",
"The maximum number of instructions in a single function eligible for inlining",
100)
500)
/* The single function inlining limit for functions that are
inlined by virtue of -finline-functions (-O3).
@ -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",
100)
150)
/* The repeated inlining limit. After this number of instructions
(in the internal gcc representation, not real machine instructions)