4.9.1-11
This commit is contained in:
Jakub Jelinek
parent
8036281669
commit
a593d741ef
1
.gitignore
vendored
1
.gitignore
vendored
@ -23,3 +23,4 @@
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/gcc-4.9.1-20140815.tar.bz2
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/gcc-4.9.1-20140912.tar.bz2
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/gcc-4.9.1-20140922.tar.bz2
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/gcc-4.9.1-20140930.tar.bz2
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16
gcc.spec
16
gcc.spec
@ -1,9 +1,9 @@
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%global DATE 20140922
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%global SVNREV 215456
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%global DATE 20140930
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%global SVNREV 215732
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%global gcc_version 4.9.1
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# Note, gcc_release must be integer, if you want to add suffixes to
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# %{release}, append them after %{gcc_release} on Release: line.
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%global gcc_release 10
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%global gcc_release 11
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%global _unpackaged_files_terminate_build 0
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%global _performance_build 1
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%global multilib_64_archs sparc64 ppc64 ppc64p7 s390x x86_64
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@ -201,6 +201,7 @@ Patch16: gcc49-libgo-p224.patch
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Patch17: gcc49-aarch64-async-unw-tables.patch
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Patch18: gcc49-aarch64-unwind-opt.patch
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Patch19: gcc49-pr63285.patch
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Patch20: gcc49-pr63186.patch
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Patch1100: cloog-%{cloog_version}-ppc64le-config.patch
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@ -730,6 +731,7 @@ rm -f libgo/go/crypto/elliptic/p224{,_test}.go
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%patch17 -p0 -b .aarch64-async-unw-tables~
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%patch18 -p0 -b .aarch64-unwind-opt~
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%patch19 -p0 -b .pr63285~
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%patch20 -p0 -b .pr63186~
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%if 0%{?_enable_debug_packages}
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cat > split-debuginfo.sh <<\EOF
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@ -2802,6 +2804,14 @@ fi
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%{_prefix}/libexec/gcc/%{gcc_target_platform}/%{gcc_version}/plugin
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%changelog
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* Tue Sep 30 2014 Jakub Jelinek <jakub@redhat.com> 4.9.1-11
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- update from the 4.9 branch
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- PRs c++/61465, c++/62219, c++/63249, inline-asm/63282, middle-end/63247,
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plugins/63410, sanitizer/61272, target/49423, target/61407,
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target/62218, target/63335, tree-optimization/63341
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- avoid fnsplit if there are forced labels accessed in between the partitions
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(#1106758, PR tree-optimization/63186)
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* Mon Sep 22 2014 Jakub Jelinek <jakub@redhat.com> 4.9.1-10
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- update from the 4.9 branch
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- PRs c++/62017, c++/63241, c++/63248, debug/63284, debug/63328, ipa/61654,
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129
gcc49-pr63186.patch
Normal file
129
gcc49-pr63186.patch
Normal file
@ -0,0 +1,129 @@
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2014-09-10 Jan Hubicka <hubicka@ucw.cz>
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PR tree-optimization/63186
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* ipa-split.c (test_nonssa_use): Skip nonforced labels.
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(mark_nonssa_use): Likewise.
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(verify_non_ssa_vars): Verify all header blocks for label
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definitions.
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* gcc.dg/pr63186.c: New testcase.
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--- gcc/ipa-split.c (revision 215148)
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+++ gcc/ipa-split.c (revision 215149)
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@@ -167,7 +167,11 @@ test_nonssa_use (gimple, tree t, tree, v
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|| (TREE_CODE (t) == VAR_DECL
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&& auto_var_in_fn_p (t, current_function_decl))
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|| TREE_CODE (t) == RESULT_DECL
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- || TREE_CODE (t) == LABEL_DECL)
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+ /* Normal labels are part of CFG and will be handled gratefuly.
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+ Forced labels however can be used directly by statements and
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+ need to stay in one partition along with their uses. */
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+ || (TREE_CODE (t) == LABEL_DECL
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+ && FORCED_LABEL (t)))
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return bitmap_bit_p ((bitmap)data, DECL_UID (t));
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/* For DECL_BY_REFERENCE, the return value is actually a pointer. We want
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@@ -213,6 +217,7 @@ verify_non_ssa_vars (struct split_point
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edge e;
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edge_iterator ei;
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bool ok = true;
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+ basic_block bb;
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FOR_EACH_EDGE (e, ei, current->entry_bb->preds)
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if (e->src != ENTRY_BLOCK_PTR_FOR_FN (cfun)
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@@ -225,8 +230,8 @@ verify_non_ssa_vars (struct split_point
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while (!worklist.is_empty ())
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{
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gimple_stmt_iterator bsi;
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- basic_block bb = worklist.pop ();
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+ bb = worklist.pop ();
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FOR_EACH_EDGE (e, ei, bb->preds)
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if (e->src != ENTRY_BLOCK_PTR_FOR_FN (cfun)
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&& bitmap_set_bit (seen, e->src->index))
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@@ -250,10 +255,10 @@ verify_non_ssa_vars (struct split_point
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if (gimple_code (stmt) == GIMPLE_LABEL
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&& test_nonssa_use (stmt, gimple_label_label (stmt),
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NULL_TREE, non_ssa_vars))
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- {
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- ok = false;
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- goto done;
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- }
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+ {
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+ ok = false;
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+ goto done;
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+ }
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}
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for (bsi = gsi_start_phis (bb); !gsi_end_p (bsi); gsi_next (&bsi))
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{
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@@ -286,6 +291,27 @@ verify_non_ssa_vars (struct split_point
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}
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}
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}
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+
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+ /* Verify that the rest of function does not define any label
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+ used by the split part. */
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+ FOR_EACH_BB_FN (bb, cfun)
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+ if (!bitmap_bit_p (current->split_bbs, bb->index)
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+ && !bitmap_bit_p (seen, bb->index))
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+ {
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+ gimple_stmt_iterator bsi;
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+ for (bsi = gsi_start_bb (bb); !gsi_end_p (bsi); gsi_next (&bsi))
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+ if (gimple_code (gsi_stmt (bsi)) == GIMPLE_LABEL
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+ && test_nonssa_use (gsi_stmt (bsi),
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+ gimple_label_label (gsi_stmt (bsi)),
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+ NULL_TREE, non_ssa_vars))
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+ {
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+ ok = false;
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+ goto done;
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+ }
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+ else if (gimple_code (gsi_stmt (bsi)) != GIMPLE_LABEL)
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+ break;
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+ }
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+
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done:
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BITMAP_FREE (seen);
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worklist.release ();
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@@ -735,7 +761,8 @@ mark_nonssa_use (gimple, tree t, tree, v
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if ((TREE_CODE (t) == VAR_DECL
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&& auto_var_in_fn_p (t, current_function_decl))
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|| TREE_CODE (t) == RESULT_DECL
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- || TREE_CODE (t) == LABEL_DECL)
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+ || (TREE_CODE (t) == LABEL_DECL
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+ && FORCED_LABEL (t)))
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bitmap_set_bit ((bitmap)data, DECL_UID (t));
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/* For DECL_BY_REFERENCE, the return value is actually a pointer. We want
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--- gcc/testsuite/gcc.dg/pr63186.c (revision 0)
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+++ gcc/testsuite/gcc.dg/pr63186.c (revision 215149)
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@@ -0,0 +1,30 @@
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+/* { dg-do link } */
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+/* { dg-options "-O2" } */
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+void *a;
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+int b, c, d;
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+
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+void
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+bar ()
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+{
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+ switch (c)
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+ {
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+ case 0:
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+ lab:
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+ __asm__ ("");
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+ return;
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+ default:
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+ break;
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+ }
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+ b = 0;
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+ d = 0;
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+ a = &&lab;
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+}
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+
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+void
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+foo ()
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+{
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+ bar ();
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+}
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+main()
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+{
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+}
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