This commit is contained in:
Jakub Jelinek 2014-09-30 19:14:37 +02:00
parent 8036281669
commit a593d741ef
4 changed files with 144 additions and 4 deletions

1
.gitignore vendored
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@ -23,3 +23,4 @@
/gcc-4.9.1-20140815.tar.bz2 /gcc-4.9.1-20140815.tar.bz2
/gcc-4.9.1-20140912.tar.bz2 /gcc-4.9.1-20140912.tar.bz2
/gcc-4.9.1-20140922.tar.bz2 /gcc-4.9.1-20140922.tar.bz2
/gcc-4.9.1-20140930.tar.bz2

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@ -1,9 +1,9 @@
%global DATE 20140922 %global DATE 20140930
%global SVNREV 215456 %global SVNREV 215732
%global gcc_version 4.9.1 %global gcc_version 4.9.1
# Note, gcc_release must be integer, if you want to add suffixes to # Note, gcc_release must be integer, if you want to add suffixes to
# %{release}, append them after %{gcc_release} on Release: line. # %{release}, append them after %{gcc_release} on Release: line.
%global gcc_release 10 %global gcc_release 11
%global _unpackaged_files_terminate_build 0 %global _unpackaged_files_terminate_build 0
%global _performance_build 1 %global _performance_build 1
%global multilib_64_archs sparc64 ppc64 ppc64p7 s390x x86_64 %global multilib_64_archs sparc64 ppc64 ppc64p7 s390x x86_64
@ -201,6 +201,7 @@ Patch16: gcc49-libgo-p224.patch
Patch17: gcc49-aarch64-async-unw-tables.patch Patch17: gcc49-aarch64-async-unw-tables.patch
Patch18: gcc49-aarch64-unwind-opt.patch Patch18: gcc49-aarch64-unwind-opt.patch
Patch19: gcc49-pr63285.patch Patch19: gcc49-pr63285.patch
Patch20: gcc49-pr63186.patch
Patch1100: cloog-%{cloog_version}-ppc64le-config.patch Patch1100: cloog-%{cloog_version}-ppc64le-config.patch
@ -730,6 +731,7 @@ rm -f libgo/go/crypto/elliptic/p224{,_test}.go
%patch17 -p0 -b .aarch64-async-unw-tables~ %patch17 -p0 -b .aarch64-async-unw-tables~
%patch18 -p0 -b .aarch64-unwind-opt~ %patch18 -p0 -b .aarch64-unwind-opt~
%patch19 -p0 -b .pr63285~ %patch19 -p0 -b .pr63285~
%patch20 -p0 -b .pr63186~
%if 0%{?_enable_debug_packages} %if 0%{?_enable_debug_packages}
cat > split-debuginfo.sh <<\EOF cat > split-debuginfo.sh <<\EOF
@ -2802,6 +2804,14 @@ fi
%{_prefix}/libexec/gcc/%{gcc_target_platform}/%{gcc_version}/plugin %{_prefix}/libexec/gcc/%{gcc_target_platform}/%{gcc_version}/plugin
%changelog %changelog
* Tue Sep 30 2014 Jakub Jelinek <jakub@redhat.com> 4.9.1-11
- update from the 4.9 branch
- PRs c++/61465, c++/62219, c++/63249, inline-asm/63282, middle-end/63247,
plugins/63410, sanitizer/61272, target/49423, target/61407,
target/62218, target/63335, tree-optimization/63341
- avoid fnsplit if there are forced labels accessed in between the partitions
(#1106758, PR tree-optimization/63186)
* Mon Sep 22 2014 Jakub Jelinek <jakub@redhat.com> 4.9.1-10 * Mon Sep 22 2014 Jakub Jelinek <jakub@redhat.com> 4.9.1-10
- update from the 4.9 branch - update from the 4.9 branch
- PRs c++/62017, c++/63241, c++/63248, debug/63284, debug/63328, ipa/61654, - PRs c++/62017, c++/63241, c++/63248, debug/63284, debug/63328, ipa/61654,

129
gcc49-pr63186.patch Normal file
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@ -0,0 +1,129 @@
2014-09-10 Jan Hubicka <hubicka@ucw.cz>
PR tree-optimization/63186
* ipa-split.c (test_nonssa_use): Skip nonforced labels.
(mark_nonssa_use): Likewise.
(verify_non_ssa_vars): Verify all header blocks for label
definitions.
* gcc.dg/pr63186.c: New testcase.
--- gcc/ipa-split.c (revision 215148)
+++ gcc/ipa-split.c (revision 215149)
@@ -167,7 +167,11 @@ test_nonssa_use (gimple, tree t, tree, v
|| (TREE_CODE (t) == VAR_DECL
&& auto_var_in_fn_p (t, current_function_decl))
|| TREE_CODE (t) == RESULT_DECL
- || TREE_CODE (t) == LABEL_DECL)
+ /* Normal labels are part of CFG and will be handled gratefuly.
+ Forced labels however can be used directly by statements and
+ need to stay in one partition along with their uses. */
+ || (TREE_CODE (t) == LABEL_DECL
+ && FORCED_LABEL (t)))
return bitmap_bit_p ((bitmap)data, DECL_UID (t));
/* For DECL_BY_REFERENCE, the return value is actually a pointer. We want
@@ -213,6 +217,7 @@ verify_non_ssa_vars (struct split_point
edge e;
edge_iterator ei;
bool ok = true;
+ basic_block bb;
FOR_EACH_EDGE (e, ei, current->entry_bb->preds)
if (e->src != ENTRY_BLOCK_PTR_FOR_FN (cfun)
@@ -225,8 +230,8 @@ verify_non_ssa_vars (struct split_point
while (!worklist.is_empty ())
{
gimple_stmt_iterator bsi;
- basic_block bb = worklist.pop ();
+ bb = worklist.pop ();
FOR_EACH_EDGE (e, ei, bb->preds)
if (e->src != ENTRY_BLOCK_PTR_FOR_FN (cfun)
&& bitmap_set_bit (seen, e->src->index))
@@ -250,10 +255,10 @@ verify_non_ssa_vars (struct split_point
if (gimple_code (stmt) == GIMPLE_LABEL
&& test_nonssa_use (stmt, gimple_label_label (stmt),
NULL_TREE, non_ssa_vars))
- {
- ok = false;
- goto done;
- }
+ {
+ ok = false;
+ goto done;
+ }
}
for (bsi = gsi_start_phis (bb); !gsi_end_p (bsi); gsi_next (&bsi))
{
@@ -286,6 +291,27 @@ verify_non_ssa_vars (struct split_point
}
}
}
+
+ /* Verify that the rest of function does not define any label
+ used by the split part. */
+ FOR_EACH_BB_FN (bb, cfun)
+ if (!bitmap_bit_p (current->split_bbs, bb->index)
+ && !bitmap_bit_p (seen, bb->index))
+ {
+ gimple_stmt_iterator bsi;
+ for (bsi = gsi_start_bb (bb); !gsi_end_p (bsi); gsi_next (&bsi))
+ if (gimple_code (gsi_stmt (bsi)) == GIMPLE_LABEL
+ && test_nonssa_use (gsi_stmt (bsi),
+ gimple_label_label (gsi_stmt (bsi)),
+ NULL_TREE, non_ssa_vars))
+ {
+ ok = false;
+ goto done;
+ }
+ else if (gimple_code (gsi_stmt (bsi)) != GIMPLE_LABEL)
+ break;
+ }
+
done:
BITMAP_FREE (seen);
worklist.release ();
@@ -735,7 +761,8 @@ mark_nonssa_use (gimple, tree t, tree, v
if ((TREE_CODE (t) == VAR_DECL
&& auto_var_in_fn_p (t, current_function_decl))
|| TREE_CODE (t) == RESULT_DECL
- || TREE_CODE (t) == LABEL_DECL)
+ || (TREE_CODE (t) == LABEL_DECL
+ && FORCED_LABEL (t)))
bitmap_set_bit ((bitmap)data, DECL_UID (t));
/* For DECL_BY_REFERENCE, the return value is actually a pointer. We want
--- gcc/testsuite/gcc.dg/pr63186.c (revision 0)
+++ gcc/testsuite/gcc.dg/pr63186.c (revision 215149)
@@ -0,0 +1,30 @@
+/* { dg-do link } */
+/* { dg-options "-O2" } */
+void *a;
+int b, c, d;
+
+void
+bar ()
+{
+ switch (c)
+ {
+ case 0:
+ lab:
+ __asm__ ("");
+ return;
+ default:
+ break;
+ }
+ b = 0;
+ d = 0;
+ a = &&lab;
+}
+
+void
+foo ()
+{
+ bar ();
+}
+main()
+{
+}

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@ -1,3 +1,3 @@
e34fca0540d840e5d0f6427e98c92252 cloog-0.18.1.tar.gz e34fca0540d840e5d0f6427e98c92252 cloog-0.18.1.tar.gz
2293d26b82a5fef7f8beff816ee424c8 gcc-4.9.1-20140922.tar.bz2 34bc914fdab7381cc4371b317880d1ed gcc-4.9.1-20140930.tar.bz2
e039bfcfb6c2ab039b8ee69bf883e824 isl-0.12.2.tar.bz2 e039bfcfb6c2ab039b8ee69bf883e824 isl-0.12.2.tar.bz2