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authorJan Hubicka <jh@suse.cz>2010-11-23 17:06:37 +0100
committerJan Hubicka <hubicka@gcc.gnu.org>2010-11-23 16:06:37 +0000
commitf16d3f392e1b5a317ac75dbed2b9cb81d79bc50f (patch)
tree152a6dc3dab8ba9ba276a0b044af0fa1b93bb32b /gcc/predict.c
parent7f814c0bb0216cf3c6929ae28bffcc4620ea2fef (diff)
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tree.h (DECL_HAS_IMPLICIT_SECTION_NAME_P): New macro.
* tree.h (DECL_HAS_IMPLICIT_SECTION_NAME_P): New macro. (tree_decl_with_vis): Add implicit_section_name_p. * targhooks.h (default_function_section): Declare. * target.def (function_section): New hook. * defaults.h (HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove. * predict.c (choose_function_section): Remove. (estimate_bb_frequencies): Do not use choose_function_section. * coretypes.h (enum node_frequency): Move here from cgraph.h * cgraph.h (enum node_frequency): Remove. * varasm.c (initialize_cold_section_name, unlikely_text_section, unlikely_text_section_p): Remove. (named_subsection_entry): New structure. (get_text_section): New function. (default_function_section): New function. (function_section_1): Break out from ...; handle profile info. (function_section): ... here. (unlikely_text_section): Remove. (unlikely_text_section_p): Use function_section_1. (assemble_start_function): Do not initialize cold section. (default_section_type_flags): Do not special case cold subsection. (switch_to_section): Likewise. * output.h (get_text_section): Define. * config/i386/winnt.c: Do not special case cold section. * config/darwin-protos.h (darwin_function_section): Declare. * config/microblaze/microblaze.h (HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove. * config/ia64/hpux.h (HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove. (TARGET_ASM_FUNCTION_SECTION): Define to ia64_hpux_function_section. * config/ia64/ia64.c (ia64_hpux_function_section): New function. * config/darwin.c (machopic_select_section): Use darwin_function_section. (darwin_function_section): New function. * config/darwin.h (HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove. (TARGET_ASM_FUNCTION_SECTION): Define. * system.h (HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Poison. From-SVN: r167085
Diffstat (limited to 'gcc/predict.c')
-rw-r--r--gcc/predict.c32
1 files changed, 0 insertions, 32 deletions
diff --git a/gcc/predict.c b/gcc/predict.c
index 5fcfc1e..cb4edcd 100644
--- a/gcc/predict.c
+++ b/gcc/predict.c
@@ -78,7 +78,6 @@ static sreal real_zero, real_one, real_almost_one, real_br_prob_base,
static void combine_predictions_for_insn (rtx, basic_block);
static void dump_prediction (FILE *, enum br_predictor, int, basic_block, int);
static void predict_paths_leading_to (basic_block, enum br_predictor, enum prediction);
-static void choose_function_section (void);
static bool can_predict_insn_p (const_rtx);
/* Information we hold about each branch predictor.
@@ -2185,8 +2184,6 @@ estimate_bb_frequencies (void)
free_aux_for_edges ();
}
compute_function_frequency ();
- if (flag_reorder_functions)
- choose_function_section ();
}
/* Decide whether function is hot, cold or unlikely executed. */
@@ -2232,35 +2229,6 @@ compute_function_frequency (void)
}
}
-/* Choose appropriate section for the function. */
-static void
-choose_function_section (void)
-{
- struct cgraph_node *node = cgraph_node (current_function_decl);
- if (DECL_SECTION_NAME (current_function_decl)
- || !targetm.have_named_sections
- /* Theoretically we can split the gnu.linkonce text section too,
- but this requires more work as the frequency needs to match
- for all generated objects so we need to merge the frequency
- of all instances. For now just never set frequency for these. */
- || DECL_ONE_ONLY (current_function_decl))
- return;
-
- /* If we are doing the partitioning optimization, let the optimization
- choose the correct section into which to put things. */
-
- if (flag_reorder_blocks_and_partition)
- return;
-
- if (node->frequency == NODE_FREQUENCY_HOT)
- DECL_SECTION_NAME (current_function_decl) =
- build_string (strlen (HOT_TEXT_SECTION_NAME), HOT_TEXT_SECTION_NAME);
- if (node->frequency == NODE_FREQUENCY_UNLIKELY_EXECUTED)
- DECL_SECTION_NAME (current_function_decl) =
- build_string (strlen (UNLIKELY_EXECUTED_TEXT_SECTION_NAME),
- UNLIKELY_EXECUTED_TEXT_SECTION_NAME);
-}
-
static bool
gate_estimate_probability (void)
{