In gcc:profile.c, the variable total_num_edges_instrumented used is initialized
to 0, but never increased. Hence end_branch_prob (which gets called when one
dumps the intermediate *.profile file via the "-fdump-tree-all" option) always
prints "Total number of instrumented edges: 0" The following patch should fix
this:
Index: gcc/profile.c
===================================================================
--- gcc/profile.c (revision 126075)
+++ gcc/profile.c (working copy)
@@ -916,6 +916,8 @@
if (dump_file)
fprintf (dump_file, "%d ignored edges\n", ignored_edges);
+ total_num_edges_instrumented += num_instrumented;
+
/* Write the data from which gcov can reconstruct the basic block
graph. */
--
Summary: Gcov: profile.c total_num_edges_instrumented never
incremented (patch included)
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Severity: trivial
Priority: P3
Component: gcov-profile
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: hbl at sysgo dot com
GCC build triplet: i686-pc-linux-gnu
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32543
