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* [gcc/devel/c++-modules] Add __gcov_indirect_call_profiler_v4_atomic.
@ 2020-01-31 17:43 Nathan Sidwell
0 siblings, 0 replies; only message in thread
From: Nathan Sidwell @ 2020-01-31 17:43 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:3ae37f9297fc97aefc6c6968315bd1ac6a1bc7ef
commit 3ae37f9297fc97aefc6c6968315bd1ac6a1bc7ef
Author: Martin Liska <mliska@suse.cz>
Date: Mon Jan 27 16:20:10 2020 +0100
Add __gcov_indirect_call_profiler_v4_atomic.
PR gcov-profile/93403
* tree-profile.c (gimple_init_gcov_profiler): Generate
both __gcov_indirect_call_profiler_v4 and
__gcov_indirect_call_profiler_v4_atomic.
PR gcov-profile/93403
* libgcov-profiler.c (__gcov_indirect_call_profiler_v4):
Call __gcov_indirect_call_profiler_body.
(__gcov_indirect_call_profiler_body): New.
(__gcov_indirect_call_profiler_v4_atomic): New.
* libgcov.h (__gcov_indirect_call_profiler_v4_atomic):
New declaration.
Diff:
---
gcc/ChangeLog | 7 +++++++
gcc/tree-profile.c | 8 ++++----
libgcc/ChangeLog | 10 ++++++++++
libgcc/libgcov-profiler.c | 23 ++++++++++++++++++++---
libgcc/libgcov.h | 1 +
5 files changed, 42 insertions(+), 7 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c1ef611..b3624b1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2020-01-27 Martin Liska <mliska@suse.cz>
+
+ PR gcov-profile/93403
+ * tree-profile.c (gimple_init_gcov_profiler): Generate
+ both __gcov_indirect_call_profiler_v4 and
+ __gcov_indirect_call_profiler_v4_atomic.
+
2020-01-27 Richard Sandiford <richard.sandiford@arm.com>
PR target/92822
diff --git a/gcc/tree-profile.c b/gcc/tree-profile.c
index 4c1d296..6c08382 100644
--- a/gcc/tree-profile.c
+++ b/gcc/tree-profile.c
@@ -120,7 +120,6 @@ gimple_init_gcov_profiler (void)
tree gcov_type_ptr;
tree ic_profiler_fn_type;
tree average_profiler_fn_type;
- const char *profiler_fn_name;
const char *fn_name;
if (!gcov_type_node)
@@ -167,6 +166,7 @@ gimple_init_gcov_profiler (void)
fn_name = concat ("__gcov_topn_values_profiler", fn_suffix, NULL);
tree_topn_values_profiler_fn
= build_fn_decl (fn_name, topn_values_profiler_fn_type);
+ free (CONST_CAST (char *, fn_name));
TREE_NOTHROW (tree_topn_values_profiler_fn) = 1;
DECL_ATTRIBUTES (tree_topn_values_profiler_fn)
@@ -181,10 +181,10 @@ gimple_init_gcov_profiler (void)
gcov_type_node,
ptr_type_node,
NULL_TREE);
- profiler_fn_name = "__gcov_indirect_call_profiler_v4";
-
+ fn_name = concat ("__gcov_indirect_call_profiler_v4", fn_suffix, NULL);
tree_indirect_call_profiler_fn
- = build_fn_decl (profiler_fn_name, ic_profiler_fn_type);
+ = build_fn_decl (fn_name, ic_profiler_fn_type);
+ free (CONST_CAST (char *, fn_name));
TREE_NOTHROW (tree_indirect_call_profiler_fn) = 1;
DECL_ATTRIBUTES (tree_indirect_call_profiler_fn)
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 22bef22..20cb222 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,13 @@
+2020-01-27 Martin Liska <mliska@suse.cz>
+
+ PR gcov-profile/93403
+ * libgcov-profiler.c (__gcov_indirect_call_profiler_v4):
+ Call __gcov_indirect_call_profiler_body.
+ (__gcov_indirect_call_profiler_body): New.
+ (__gcov_indirect_call_profiler_v4_atomic): New.
+ * libgcov.h (__gcov_indirect_call_profiler_v4_atomic):
+ New declaration.
+
2020-01-27 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/crti.S: Add RF16 object attribute.
diff --git a/libgcc/libgcov-profiler.c b/libgcc/libgcov-profiler.c
index 58784d1..6043ac4 100644
--- a/libgcc/libgcov-profiler.c
+++ b/libgcc/libgcov-profiler.c
@@ -199,8 +199,9 @@ struct indirect_call_tuple __gcov_indirect_call;
as a pointer to a function. */
/* Tries to determine the most common value among its inputs. */
-void
-__gcov_indirect_call_profiler_v4 (gcov_type value, void* cur_func)
+static inline void
+__gcov_indirect_call_profiler_body (gcov_type value, void *cur_func,
+ int use_atomic)
{
/* If the C++ virtual tables contain function descriptors then one
function may have multiple descriptors and we need to dereference
@@ -208,10 +209,26 @@ __gcov_indirect_call_profiler_v4 (gcov_type value, void* cur_func)
if (cur_func == __gcov_indirect_call.callee
|| (__LIBGCC_VTABLE_USES_DESCRIPTORS__
&& *(void **) cur_func == *(void **) __gcov_indirect_call.callee))
- __gcov_topn_values_profiler_body (__gcov_indirect_call.counters, value, 0);
+ __gcov_topn_values_profiler_body (__gcov_indirect_call.counters, value,
+ use_atomic);
__gcov_indirect_call.callee = NULL;
}
+
+void
+__gcov_indirect_call_profiler_v4 (gcov_type value, void *cur_func)
+{
+ __gcov_indirect_call_profiler_body (value, cur_func, 0);
+}
+
+#if GCOV_SUPPORTS_ATOMIC
+void
+__gcov_indirect_call_profiler_v4_atomic (gcov_type value, void *cur_func)
+{
+ __gcov_indirect_call_profiler_body (value, cur_func, 1);
+}
+#endif
+
#endif
#ifdef L_gcov_time_profiler
diff --git a/libgcc/libgcov.h b/libgcc/libgcov.h
index bc7e308..023293e 100644
--- a/libgcc/libgcov.h
+++ b/libgcc/libgcov.h
@@ -274,6 +274,7 @@ extern void __gcov_pow2_profiler_atomic (gcov_type *, gcov_type);
extern void __gcov_topn_values_profiler (gcov_type *, gcov_type);
extern void __gcov_topn_values_profiler_atomic (gcov_type *, gcov_type);
extern void __gcov_indirect_call_profiler_v4 (gcov_type, void *);
+extern void __gcov_indirect_call_profiler_v4_atomic (gcov_type, void *);
extern void __gcov_time_profiler (gcov_type *);
extern void __gcov_time_profiler_atomic (gcov_type *);
extern void __gcov_average_profiler (gcov_type *, gcov_type);
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