4.9.1-9
This commit is contained in:
Jakub Jelinek
parent
2bdb06cea2
commit
9834bb7938
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@ -21,3 +21,4 @@
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/gcc-4.9.1-20140807.tar.bz2
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/gcc-4.9.1-20140813.tar.bz2
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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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25
gcc.spec
25
gcc.spec
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@ -1,9 +1,9 @@
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%global DATE 20140815
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%global SVNREV 214009
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%global DATE 20140912
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%global SVNREV 215204
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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 8
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%global gcc_release 9
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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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@ -203,6 +203,7 @@ Patch18: gcc49-aarch64-unwind-opt.patch
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Patch19: gcc49-pr62098.patch
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Patch20: gcc49-pr62025.patch
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Patch21: gcc49-pr62131.patch
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Patch22: gcc49-pr62662.patch
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Patch1100: cloog-%{cloog_version}-ppc64le-config.patch
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@ -734,6 +735,7 @@ rm -f libgo/go/crypto/elliptic/p224{,_test}.go
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%patch19 -p0 -b .pr62098~
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%patch20 -p0 -b .pr62025~
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%patch21 -p0 -b .pr62131~
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%patch22 -p0 -b .pr62662~
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%if 0%{?_enable_debug_packages}
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cat > split-debuginfo.sh <<\EOF
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@ -2806,6 +2808,23 @@ fi
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%{_prefix}/libexec/gcc/%{gcc_target_platform}/%{gcc_version}/plugin
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%changelog
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* Fri Sep 12 2014 Jakub Jelinek <jakub@redhat.com> 4.9.1-9
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- update from the 4.9 branch
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- PRs c++/58624, c++/61214, c++/61659, c++/62129, c++/62224, c++/62659,
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c++/63139, c/61271, c/62294, fortran/62106, fortran/62142,
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fortran/62214, fortran/62215, fortran/62270, ipa/60449, ipa/61986,
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ipa/62015, libgfortran/62188, libstdc++/62264, libstdc++/63219,
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middle-end/61776, other/62008, other/62248, rtl-optimization/61672,
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rtl-optimization/62004, rtl-optimization/62030,
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rtl-optimization/62079, rtl-optimization/62146, target/61641,
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target/61996, target/62011, target/62038, target/62040, target/62111,
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target/62195, target/62261, target/62262, target/62312, target/63209,
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target/63223, target/63228, testsuite/56194, tree-optimization/60196,
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tree-optimization/62075, tree-optimization/62091,
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tree-optimization/62175, tree-optimization/63189
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- fix s390{,x} return address handling in epilogues (#1131899,
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PR target/62662)
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* Fri Aug 15 2014 Jakub Jelinek <jakub@redhat.com> 4.9.1-8
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- update from the 4.9 branch
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- PRs fortran/62076, fortran/62107, lto/62032, middle-end/62092,
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@ -0,0 +1,44 @@
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2014-09-10 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
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PR target/62662
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* config/s390/s390.c (s390_emit_epilogue): When doing the return
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address load optimization force s390_optimize_prologue to leave it
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that way. Only do the optimization if we already decided to push
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r14 into a stack slot.
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--- gcc/config/s390/s390.c
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+++ gcc/config/s390/s390.c
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@@ -9082,11 +9082,14 @@ s390_emit_epilogue (bool sibcall)
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if (! sibcall)
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{
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/* Fetch return address from stack before load multiple,
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- this will do good for scheduling. */
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-
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- if (cfun_frame_layout.save_return_addr_p
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- || (cfun_frame_layout.first_restore_gpr < BASE_REGNUM
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- && cfun_frame_layout.last_restore_gpr > RETURN_REGNUM))
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+ this will do good for scheduling.
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+
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+ Only do this if we already decided that r14 needs to be
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+ saved to a stack slot. (And not just because r14 happens to
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+ be in between two GPRs which need saving.) Otherwise it
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+ would be difficult to take that decision back in
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+ s390_optimize_prologue. */
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+ if (cfun_gpr_save_slot (RETURN_REGNUM) == -1)
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{
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int return_regnum = find_unused_clobbered_reg();
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if (!return_regnum)
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@@ -9101,6 +9104,13 @@ s390_emit_epilogue (bool sibcall)
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addr = gen_rtx_MEM (Pmode, addr);
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set_mem_alias_set (addr, get_frame_alias_set ());
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emit_move_insn (return_reg, addr);
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+
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+ /* Once we did that optimization we have to make sure
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+ s390_optimize_prologue does not try to remove the
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+ store of r14 since we will not be able to find the
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+ load issued here. */
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+ cfun_frame_layout.save_return_addr_p = true;
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+ cfun_gpr_save_slot (RETURN_REGNUM) = -1;
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}
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}
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