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authorhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2007-01-28 19:38:39 +0000
committerhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2007-01-28 19:38:39 +0000
commit162719b305a713b80afc9df7016f5dfc8d095515 (patch)
treef0b99d930c723a2db6886a47a653581d98be0f1a /gcc/expr.h
parent259540367a19913782a0f3db13dbc8389ae77d07 (diff)
downloadgcc-162719b305a713b80afc9df7016f5dfc8d095515.tar.gz
* expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
variant handling histograms; add wrapper. (clear_storage_via_libcall): Export. (emit_block_move_hints): Break out from ...; add histograms. (emit_block_move): ... this one. (clear_storage_hints): Break out from ...; add histograms. (clear_storage): ... this one. (set_storage_via_memset): Handle histogram. * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare. (clear_storage_hints, clear_storage_via_libcall): Declare. (set_storage_via_setmem): Update prototype. * doc/md.texi (movmem, setmem): Document new arguments. * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add new histograms. (stringop_block_profile): New global function. (tree_stringops_values_to_profile): Profile block size and alignment. * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and HIST_TYPE_IOR. (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler. (stringop_block_profile): Declare. * builtins.c: Include value-prof.h. (expand_builtin_memcpy, expand_builtin_memset): Pass block profile. * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter. (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants. (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update. * profile.c (instrument_values): Add new counters. * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to calls. * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New. (tree_init_edge_profiler): Build new profilers. (tree_gen_average_profiler, tree_gen_ior_profiler): New. (pass_tree_profile): Add dump. (tree_profile_hooks): Update. * Makefile.in (LIBGCOV): Add new constants. * libgcov.c (__gcov_merge_ior, __gcov_average_profiler, __gcov_ior_profiler): New. * i386.md (movmem/setmem expanders): Add new optional arguments. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@121270 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/expr.h')
-rw-r--r--gcc/expr.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/expr.h b/gcc/expr.h
index beb8ea388d1..32a0a51a373 100644
--- a/gcc/expr.h
+++ b/gcc/expr.h
@@ -378,6 +378,8 @@ extern void init_block_clear_fn (const char *);
extern rtx emit_block_move (rtx, rtx, rtx, enum block_op_methods);
extern rtx emit_block_move_via_libcall (rtx, rtx, rtx, bool);
+extern rtx emit_block_move_hints (rtx, rtx, rtx, enum block_op_methods,
+ unsigned int, HOST_WIDE_INT);
/* Copy all or part of a value X into registers starting at REGNO.
The number of registers to be filled is NREGS. */
@@ -424,11 +426,14 @@ extern void use_group_regs (rtx *, rtx);
/* Write zeros through the storage of OBJECT.
If OBJECT has BLKmode, SIZE is its length in bytes. */
extern rtx clear_storage (rtx, rtx, enum block_op_methods);
+extern rtx clear_storage_hints (rtx, rtx, enum block_op_methods,
+ unsigned int, HOST_WIDE_INT);
/* The same, but always output an library call. */
rtx set_storage_via_libcall (rtx, rtx, rtx, bool);
/* Expand a setmem pattern; return true if successful. */
-extern bool set_storage_via_setmem (rtx, rtx, rtx, unsigned int);
+extern bool set_storage_via_setmem (rtx, rtx, rtx, unsigned int,
+ unsigned int, HOST_WIDE_INT);
/* Determine whether the LEN bytes can be moved by using several move
instructions. Return nonzero if a call to move_by_pieces should