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| author | Martin Liska <mliska@suse.cz> | 2018-08-01 12:21:49 +0200 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2018-08-01 10:21:49 +0000 |
| commit | 181f2e99d142db78be636becfe6966fdbef61cb8 (patch) | |
| tree | 0d354dc225c4450a7c650abe655f83e23517f035 /gcc/value-prof.c | |
| parent | 00d29b97d9ed9af957f896b8279ae85d2e16deb4 (diff) | |
| download | gcc-181f2e99d142db78be636becfe6966fdbef61cb8.zip gcc-181f2e99d142db78be636becfe6966fdbef61cb8.tar.gz gcc-181f2e99d142db78be636becfe6966fdbef61cb8.tar.bz2 | |
Add memmove to value profiling.
2018-08-01 Martin Liska <mliska@suse.cz>
PR value-prof/35543
* value-prof.c (interesting_stringop_to_profile_p):
Simplify the code and add BUILT_IN_MEMMOVE.
(gimple_stringops_transform): Likewise.
2018-08-01 Martin Liska <mliska@suse.cz>
PR value-prof/35543
* gcc.dg/tree-prof/val-prof-7.c: Add __builtin_memmove.
From-SVN: r263201
Diffstat (limited to 'gcc/value-prof.c')
| -rw-r--r-- | gcc/value-prof.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/gcc/value-prof.c b/gcc/value-prof.c index 77d4849..a7c4be7 100644 --- a/gcc/value-prof.c +++ b/gcc/value-prof.c @@ -1527,14 +1527,11 @@ interesting_stringop_to_profile_p (gcall *call, int *size_arg) enum built_in_function fcode; fcode = DECL_FUNCTION_CODE (gimple_call_fndecl (call)); - if (fcode != BUILT_IN_MEMCPY && fcode != BUILT_IN_MEMPCPY - && fcode != BUILT_IN_MEMSET && fcode != BUILT_IN_BZERO) - return false; - switch (fcode) { case BUILT_IN_MEMCPY: case BUILT_IN_MEMPCPY: + case BUILT_IN_MEMMOVE: *size_arg = 2; return validate_gimple_arglist (call, POINTER_TYPE, POINTER_TYPE, INTEGER_TYPE, VOID_TYPE); @@ -1547,7 +1544,7 @@ interesting_stringop_to_profile_p (gcall *call, int *size_arg) return validate_gimple_arglist (call, POINTER_TYPE, INTEGER_TYPE, VOID_TYPE); default: - gcc_unreachable (); + return false; } } @@ -1710,6 +1707,7 @@ gimple_stringops_transform (gimple_stmt_iterator *gsi) { case BUILT_IN_MEMCPY: case BUILT_IN_MEMPCPY: + case BUILT_IN_MEMMOVE: src = gimple_call_arg (stmt, 1); src_align = get_pointer_alignment (src); if (!can_move_by_pieces (val, MIN (dest_align, src_align))) |