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4.9.1-7

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This commit is contained in:
Jakub Jelinek 2014-08-14 01:57:18 +02:00
parent af3b5a8175
commit d048d4b08d
3 changed files with 166 additions and 1 deletions
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10
gcc.spec
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@ -3,7 +3,7 @@
%global gcc_version 4.9.1
# Note, gcc_release must be integer, if you want to add suffixes to
# %{release}, append them after %{gcc_release} on Release: line.
%global gcc_release 6
%global gcc_release 7
%global _unpackaged_files_terminate_build 0
%global _performance_build 1
%global multilib_64_archs sparc64 ppc64 ppc64p7 s390x x86_64
@ -200,6 +200,8 @@ Patch17: gcc49-aarch64-async-unw-tables.patch
Patch18: gcc49-aarch64-unwind-opt.patch
Patch19: gcc49-pr62098.patch
Patch20: gcc49-pr62103.patch
Patch21: gcc49-pr62025.patch
Patch22: gcc49-pr62073.patch
Patch1100: cloog-%{cloog_version}-ppc64le-config.patch
@ -730,6 +732,8 @@ rm -f libgo/go/crypto/elliptic/p224{,_test}.go
%patch18 -p0 -b .aarch64-unwind-opt~
%patch19 -p0 -b .pr62098~
%patch20 -p0 -b .pr62103~
%patch21 -p0 -b .pr62025~
%patch22 -p0 -b .pr62073~
%if 0%{?_enable_debug_packages}
cat > split-debuginfo.sh <<\EOF
@ -2802,6 +2806,10 @@ fi
%{_prefix}/libexec/gcc/%{gcc_target_platform}/%{gcc_version}/plugin
%changelog
* Thu Aug 14 2014 Jakub Jelinek <jakub@redhat.com> 4.9.1-7
- fix up scheduler deps handling fix (PR target/62025)
- vectorization fix (PR tree-optimization/62073)
* Wed Aug 13 2014 Jakub Jelinek <jakub@redhat.com> 4.9.1-6
- update from the 4.9 branch
- PRs c++/58714, c++/60872, c++/61959, c++/61994, fortran/61999,

94
gcc49-pr62025.patch Normal file
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@ -0,0 +1,94 @@
2014-08-14 Jakub Jelinek <jakub@redhat.com>
PR target/62025
* sched-deps.c (find_inc): Limit the test for inc_insn defs
vs. mem_insn uses to !backwards case only. Give up also if
any mem_insn def is used by inc_insn or if non-clobber
mem_insn def in backwards case is clobbered by inc_insn.
--- gcc/sched-deps.c.jj 2014-08-12 17:06:26.000000000 +0200
+++ gcc/sched-deps.c 2014-08-14 00:09:38.000000000 +0200
@@ -4746,23 +4746,70 @@ find_inc (struct mem_inc_info *mii, bool
"inc conflicts with store failure.\n");
goto next;
}
+ else
+ {
+ df_ref *use_rec, *def2_rec;
+ for (use_rec = DF_INSN_USES (mii->inc_insn);
+ *use_rec; use_rec++)
+ {
+ df_ref use = *use_rec;
+ if (reg_overlap_mentioned_p (DF_REF_REG (def),
+ DF_REF_REG (use)))
+ {
+ if (sched_verbose >= 5)
+ fprintf (sched_dump,
+ "mem def conflict with inc use "
+ "failure.\n");
+ goto next;
+ }
+ }
+ /* If both inc_insn and mem_insn clobber the same register,
+ it is fine, but avoid the case where mem_insn e.g.
+ sets CC and originally earlier inc_insn clobbers it. */
+ if ((DF_REF_FLAGS (def) & DF_REF_MUST_CLOBBER) == 0
+ && backwards)
+ for (def2_rec = DF_INSN_DEFS (mii->inc_insn);
+ *def2_rec; def2_rec++)
+ {
+ df_ref def2 = *def2_rec;
+ if (reg_overlap_mentioned_p (DF_REF_REG (def),
+ DF_REF_REG (def2)))
+ {
+ if (sched_verbose >= 5)
+ fprintf (sched_dump,
+ "mem def conflict with inc def "
+ "failure.\n");
+ goto next;
+ }
+ }
+ }
}
/* The inc instruction could have clobbers, make sure those
- registers are not used in mem insn. */
- for (def_rec = DF_INSN_DEFS (mii->inc_insn); *def_rec; def_rec++)
- if (!reg_overlap_mentioned_p (DF_REF_REG (*def_rec), mii->mem_reg0))
+ registers are not used in mem insn, if mem_insn is originally
+ earlier than inc_insn. */
+ if (!backwards)
+ for (def_rec = DF_INSN_DEFS (mii->inc_insn); *def_rec; def_rec++)
{
- df_ref *use_rec;
- for (use_rec = DF_INSN_USES (mii->mem_insn); *use_rec; use_rec++)
- if (reg_overlap_mentioned_p (DF_REF_REG (*def_rec),
- DF_REF_REG (*use_rec)))
- {
- if (sched_verbose >= 5)
- fprintf (sched_dump,
- "inc clobber used in store failure.\n");
- goto next;
- }
+ df_ref def = *def_rec;
+ if (!reg_overlap_mentioned_p (DF_REF_REG (def), mii->mem_reg0))
+ {
+ df_ref *use_rec;
+ for (use_rec = DF_INSN_USES (mii->mem_insn);
+ *use_rec; use_rec++)
+ {
+ df_ref use = *use_rec;
+ if (reg_overlap_mentioned_p (DF_REF_REG (def),
+ DF_REF_REG (use)))
+ {
+ if (sched_verbose >= 5)
+ fprintf (sched_dump,
+ "inc def conflict with mem use "
+ "failure.\n");
+ goto next;
+ }
+ }
+ }
}
newaddr = mii->inc_input;

63
gcc49-pr62073.patch Normal file
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@ -0,0 +1,63 @@
2014-08-12 Felix Yang <fei.yang0953@gmail.com>
PR tree-optimization/62073
* tree-vect-loop.c (vect_is_simple_reduction_1): Check that DEF1 has
a basic block.
* gcc.dg/vect/pr62073.c: New test.
--- gcc/tree-vect-loop.c (revision 213900)
+++ gcc/tree-vect-loop.c (revision 213901)
@@ -2321,7 +2321,8 @@ vect_is_simple_reduction_1 (loop_vec_inf
}
def1 = SSA_NAME_DEF_STMT (op1);
- if (flow_bb_inside_loop_p (loop, gimple_bb (def_stmt))
+ if (gimple_bb (def1)
+ && flow_bb_inside_loop_p (loop, gimple_bb (def_stmt))
&& loop->inner
&& flow_bb_inside_loop_p (loop->inner, gimple_bb (def1))
&& is_gimple_assign (def1))
--- gcc/testsuite/gcc.dg/vect/pr62073.c (revision 0)
+++ gcc/testsuite/gcc.dg/vect/pr62073.c (revision 213901)
@@ -0,0 +1,40 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-O1" } */
+
+struct S0
+{
+ int f7;
+};
+struct S0 g_50;
+int g_70;
+int g_76;
+
+int foo (long long p_56, int * p_57)
+{
+ int *l_77;
+ int l_101;
+
+ for (; g_70;)
+ {
+ int **l_78 = &l_77;
+ if (g_50.f7)
+ continue;
+ *l_78 = 0;
+ }
+ for (g_76 = 1; g_76 >= 0; g_76--)
+ {
+ int *l_90;
+ for (l_101 = 4; l_101 >= 0; l_101--)
+ if (l_101)
+ *l_90 = 0;
+ else
+ {
+ int **l_113 = &l_77;
+ *l_113 = p_57;
+ }
+ }
+
+ return *l_77;
+}
+
+/* { dg-final { cleanup-tree-dump "vect" } } */