Merge remote-tracking branch 'up/master' into master-riscv64

Signed-off-by: David Abdurachmanov <david.abdurachmanov@sifive.com>

.gitignore

@@ -3,3 +3,4 @@
 /nvptx-tools-5f6f343a302d620b0868edab376c00b15741e39e.tar.xz
 /gcc-10.0.1-20200121.tar.xz
 /gcc-10.0.1-20200123.tar.xz
+/gcc-10.0.1-20200126.tar.xz

gcc.spec

@@ -1,10 +1,10 @@
-%global DATE 20200123
+%global DATE 20200126
-%global gitrev 083f4455962cb0f38e406792b5aaa198f77ecc60
+%global gitrev 834af6f1f10cfe4642e6f690f0c7b6dae44de101
 %global gcc_version 10.0.1
 %global gcc_major 10
 # 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 0.5
+%global gcc_release 0.6
 %global nvptx_tools_gitrev 5f6f343a302d620b0868edab376c00b15741e39e
 %global newlib_cygwin_gitrev 50e2a63b04bdd018484605fbb954fd1bd5147fa0
 %global _unpackaged_files_terminate_build 0
@@ -259,6 +259,7 @@ Patch8: gcc10-foffload-default.patch
 Patch9: gcc10-Wno-format-security.patch
 Patch10: gcc10-rh1574936.patch
 Patch11: gcc10-d-shared-libphobos.patch
+Patch12: gcc10-pr92765-workaround.patch
 
 # On ARM EABI systems, we do want -gnueabi to be part of the
 # target triple.
@@ -770,6 +771,7 @@ to NVidia PTX capable devices if available.
 %patch10 -p0 -b .rh1574936~
 %endif
 %patch11 -p0 -b .d-shared-libphobos~
+%patch12 -p0 -b .pr92765-workaround~
 
 echo 'Red Hat %{version}-%{gcc_release}' > gcc/DEV-PHASE
 
@@ -1122,7 +1124,9 @@ mkdir -p %{buildroot}
 # Make these be symlinks to /lib64 or /usr/lib64 respectively. See:
 # https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/thread/DRHT5YTPK4WWVGL3GIN5BF2IKX2ODHZ3/
 %ifarch riscv64
-for d in %{buildroot}%{_libdir} %{buildroot}/%{_lib} %{buildroot}%{_datadir}/gdb/auto-load/%{_prefix}/%{_lib} %{buildroot}%{_prefix}/include/c++/%{gcc_major}/%{gcc_target_platform}/%{_lib}; do
+for d in %{buildroot}%{_libdir} %{buildroot}/%{_lib} \
+	  %{buildroot}%{_datadir}/gdb/auto-load/%{_prefix}/%{_lib} \
+	  %{buildroot}%{_prefix}/include/c++/%{gcc_major}/%{gcc_target_platform}/%{_lib}; do
   mkdir -p $d
   (cd $d && ln -sf . lp64d)
 done
@@ -2996,6 +3000,15 @@ end
 %endif
 
 %changelog
+* Sun Jan 26 2020 Jakub Jelinek <jakub@redhat.com> 10.0.1-0.6
+- update from trunk
+  - PRs analyzer/93367, c++/90997, c++/92852, c++/93279, c++/93299, c++/93377,
+	c++/93400, c++/93414, inline-asm/93027, ipa/93166, target/13721,
+	target/92269, target/93395, target/93412, target/93430,
+	translation/90162, tree-optimization/92788
+- temporarily disable broken strcmp optimization (PR tree-optimization/92765)
+- riscv64 tweaks from David Abdurachmanov (#1794343)
+
 * Thu Jan 23 2020 Jakub Jelinek <jakub@redhat.com> 10.0.1-0.5
 - update from trunk
   - PRs analyzer/93307, analyzer/93316, analyzer/93352, analyzer/93375,

gcc10-pr92765-workaround.patch

@@ -0,0 +1,51 @@
+2020-01-26  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/92765
+	* tree-ssa-strlen.c (handle_builtin_string_cmp): Temporarily disable
+	broken optimization.
+
+	* gcc.dg/strlenopt-65.c: Add xfail.
+	* gcc.dg/strlenopt-69.c: Likewise.
+	* gcc.dg/strcmpopt_3.c: Likewise.
+
+--- gcc/tree-ssa-strlen.c.jj	2020-01-16 15:13:55.789044796 +0100
++++ gcc/tree-ssa-strlen.c	2020-01-26 18:58:17.787571444 +0100
+@@ -4461,8 +4461,11 @@ handle_builtin_string_cmp (gimple_stmt_i
+ 	       known to be unequal set the range of the result to non-zero.
+ 	       This allows the call to be eliminated if its result is only
+ 	       used in tests for equality to zero.  */
++#if 0
++	    /* Temporarily disabled due to PR92765.  */
+ 	    wide_int zero = wi::zero (TYPE_PRECISION (TREE_TYPE (lhs)));
+ 	    set_range_info (lhs, VR_ANTI_RANGE, zero, zero);
++#endif
+ 	    return false;
+ 	  }
+ 	/* When the two strings are definitely equal (such as when they
+--- gcc/testsuite/gcc.dg/strlenopt-65.c.jj	2020-01-12 11:54:37.518396737 +0100
++++ gcc/testsuite/gcc.dg/strlenopt-65.c	2020-01-26 19:03:42.310607725 +0100
+@@ -173,7 +173,7 @@ void test_strncmp_keep (const char *s, c
+   }
+ }
+ 
+-/* { dg-final { scan-tree-dump-times "call_in_true_branch_not_eliminated_" 0 "optimized" } }
++/* { dg-final { scan-tree-dump-times "call_in_true_branch_not_eliminated_" 0 "optimized" { xfail *-*-* } } }
+ 
+    { dg-final { scan-tree-dump-times "call_made_in_true_branch_on_line_1\[0-9\]\[0-9\]\[0-9\]" 11 "optimized" } }
+    { dg-final { scan-tree-dump-times "call_made_in_false_branch_on_line_1\[0-9\]\[0-9\]\[0-9\]" 11 "optimized" } } */
+--- gcc/testsuite/gcc.dg/strlenopt-69.c.jj	2020-01-12 11:54:37.518396737 +0100
++++ gcc/testsuite/gcc.dg/strlenopt-69.c	2020-01-26 19:04:04.913262008 +0100
+@@ -126,4 +126,4 @@ void test_array_copy_bounded (void)
+   A (strncmp (s, a4, 5)); clobber (a4);
+ }
+ 
+-/* { dg-final { scan-tree-dump-not "abort|strcmp|strncmp" "optimized" } } */
++/* { dg-final { scan-tree-dump-not "abort|strcmp|strncmp" "optimized" { xfail *-*-* } } } */
+--- gcc/testsuite/gcc.dg/strcmpopt_3.c.jj	2020-01-12 11:54:37.515396783 +0100
++++ gcc/testsuite/gcc.dg/strcmpopt_3.c	2020-01-26 19:03:08.123130636 +0100
+@@ -28,4 +28,4 @@ int main (void)
+   return 0;
+ }
+ 
+-/* { dg-final { scan-tree-dump-times "strcmp" 0 "optimized" } } */
++/* { dg-final { scan-tree-dump-times "strcmp" 0 "optimized" { xfail *-*-* } } } */

sources

@@ -1,3 +1,3 @@
-SHA512 (gcc-10.0.1-20200123.tar.xz) = 0f729f71a0538c18c9ad882871abaed82c25d00d9bec6d65fac484cf4d9397308a5a69260c10a5d3e7c461972d102032857cf89951026490bbe2076bc693f892
+SHA512 (gcc-10.0.1-20200126.tar.xz) = 6263b1e255939d37f51e99493658d140902aab17f8aa78ff26255076e77fe301694aa2993e258423c500d665614f372f68f20e3c910d497cdd35490b84c39975
 SHA512 (newlib-cygwin-50e2a63b04bdd018484605fbb954fd1bd5147fa0.tar.xz) = 9ceea0b883185fe489724d54a7e909bb6ed4785fcadf80162033dc6a133e2657337175601278e4155d1f8fac275ff9c8a02572aea876166c608774c809f832e9
 SHA512 (nvptx-tools-5f6f343a302d620b0868edab376c00b15741e39e.tar.xz) = f6d10db94fa1570ae0f94df073fa3c73c8e5ee16d59070b53d94f7db0de8a031bc44d7f3f1852533da04b625ce758e022263855ed43cfc6867e0708d001e53c7