diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index 42e67d7a0839bfc038f78e6d0a2f37b9da0a60b8..f7c1e867879f2908fe6b620e330f3f65ec6d4b7e 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,9 @@
+2021-05-13  Martin Liska  <mliska@suse.cz>
+
+	* mklog.py: Put PR entries before all ChangeLog entries
+	(will be added to all ChangeLog locations by Daily bump script).
+	* test_mklog.py: Test the new behavior.
+
 2021-05-12  Martin Liska  <mliska@suse.cz>
 
 	* gcc-changelog/git_commit.py: Simplify needle lookup.
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9e390869a594aed5dd6bd839503c5519570102e5..2215bec82b406b395d3cc999544886f780b19957 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,102 @@
+2021-05-13  Martin Sebor  <msebor@redhat.com>
+
+	PR middle-end/100574
+	* builtins.c (access_ref::get_ref): Improve detection of PHIs with
+	all null arguments.
+
+2021-05-13  Martin Sebor  <msebor@redhat.com>
+
+	PR tree-optimization/93100
+	PR middle-end/98583
+	* tree-ssa-uninit.c (check_defs): Exclude intrinsic functions that
+	don't modify referenced objects.
+
+2021-05-13  Martin Jambor  <mjambor@suse.cz>
+
+	PR tree-optimization/100453
+	* tree-sra.c (sra_modify_assign): All const base accesses do not
+	need refreshing, not just those from decl_pool.
+	(sra_modify_assign): Do not refresh into a const base decl.
+
+2021-05-13  Martin Liska  <mliska@suse.cz>
+
+	* tree-ssa-dom.c: Remove m_simplifier.
+
+2021-05-13  Richard Earnshaw  <rearnsha@arm.com>
+
+	PR target/100563
+	* config/arm/arm.c (arm_canonicalize_comparison): Correctly
+	canonicalize DImode inequality comparisons against the
+	maximum integral value.
+
+2021-05-13  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/98856
+	* config/i386/i386.c (ix86_shift_rotate_cost): Add CODE argument.
+	Expect V2DI and V4DI arithmetic right shifts to be emulated.
+	(ix86_rtx_costs, ix86_add_stmt_cost): Adjust ix86_shift_rotate_cost
+	caller.
+	* config/i386/i386-expand.c (expand_vec_perm_2perm_interleave,
+	expand_vec_perm_2perm_pblendv): New functions.
+	(ix86_expand_vec_perm_const_1): Use them.
+	* config/i386/sse.md (ashr<mode>3<mask_name>): Rename to ...
+	(<mask_codefor>ashr<mode>3<mask_name>): ... this.
+	(ashr<mode>3): New define_expand with VI248_AVX512BW iterator.
+	(ashrv4di3): New define_expand.
+	(ashrv2di3): Change condition to TARGET_SSE2, handle !TARGET_XOP
+	and !TARGET_AVX512VL expansion.
+
+2021-05-13  Uroš Bizjak  <ubizjak@gmail.com>
+
+	PR target/100581
+	* config/i386/i386-expand.c (ix86_expand_sse_movcc): Force mode
+	sizes < 16 to a register when constructing vpcmov pattern.
+	* config/i386/mmx.md (*xop_pcmov_<mode>): Use MMXMODE124 mode.
+
+2021-05-13  marxin  <mliska@suse.cz>
+
+	* gcov-io.c (gcov_write_block): Remove.
+	(gcov_write_words): Likewise.
+	(gcov_read_words): Re-implement using gcov_read_bytes.
+	(gcov_allocate): Remove.
+	(GCOV_BLOCK_SIZE): Likewise.
+	(struct gcov_var): Remove most of the fields.
+	(gcov_position): Implement with ftell.
+	(gcov_rewrite): Remove setting of start and offset fields.
+	(from_file): Re-format.
+	(gcov_open): Remove setbuf call. It should not be needed.
+	(gcov_close): Remove internal buffer handling.
+	(gcov_magic): Use __builtin_bswap32.
+	(gcov_write_counter): Use directly gcov_write_unsigned.
+	(gcov_write_string): Use direct fwrite and do not round
+	to 4 bytes.
+	(gcov_seek): Use directly fseek.
+	(gcov_write_tag): Use gcov_write_unsigned directly.
+	(gcov_write_length): Likewise.
+	(gcov_write_tag_length): Likewise.
+	(gcov_read_bytes): Use directly fread.
+	(gcov_read_unsigned): Use gcov_read_words.
+	(gcov_read_counter): Likewise.
+	(gcov_read_string): Use gcov_read_bytes.
+	* gcov-io.h (GCOV_WORD_SIZE): Adjust to reflect
+	that size is not in bytes, but words (4B).
+	(GCOV_TAG_FUNCTION_LENGTH): Likewise.
+	(GCOV_TAG_ARCS_LENGTH): Likewise.
+	(GCOV_TAG_ARCS_NUM): Likewise.
+	(GCOV_TAG_COUNTER_LENGTH): Likewise.
+	(GCOV_TAG_COUNTER_NUM): Likewise.
+	(GCOV_TAG_SUMMARY_LENGTH): Likewise.
+
+2021-05-13  liuhongt  <hongtao.liu@intel.com>
+
+	PR target/94680
+	* config/i386/sse.md (ssedoublevecmode): Add attribute for
+	V64QI/V32HI/V16SI/V4DI.
+	(ssehalfvecmode): Add attribute for V2DI/V2DF.
+	(*vec_concatv4si_0): Extend to VI124_128.
+	(*vec_concat<mode>_0): New pre-reload splitter.
+	* config/i386/predicates.md (movq_parallel): New predicate.
+
 2021-05-13  Alexandre Oliva  <oliva@adacore.com>
 
 	* targhooks.c (default_zero_call_used_regs): Retry using
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 92e74b65a6bb907640aa08ab2a38f8698a4f875c..552c3b209c0f582618852aa286c7ac0dbde561eb 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210513
+20210514
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index 386067720462869a681824b46e96c71896941375..d33ad4a4c57ab2333cf05cad23212ec21c6975bd 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,9 @@
+2021-05-13  Martin Liska  <mliska@suse.cz>
+
+	PR middle-end/100504
+	* c-attribs.c (handle_target_clones_attribute): Expect a string
+	argument to target_clone argument.
+
 2021-05-11  Joseph Myers  <joseph@codesourcery.com>
 
 	* c-lex.c (interpret_float): Handle digit separators for C2X.
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index 0690d931bb063daafd6b33885c44c3fa61c7eb49..a75832be9893e5afb13353642fd1f9923da60212 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,8 @@
+2021-05-13  Martin Sebor  <msebor@redhat.com>
+
+	PR c/100550
+	* c-decl.c (get_parm_array_spec): Avoid erroneous VLA bounds.
+
 2021-05-12  Marcel Vollweiler  <marcel@codesourcery.com>
 
 	* c-parser.c (c_parser_omp_clause_map): Support map-type-modifier
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 82ef74c03a1066a5d8fb22afa8585d4807f6b174..9dfab7b873de567e55fa73ac348e191dc6234654 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,96 @@
+2021-05-13  Martin Sebor  <msebor@redhat.com>
+
+	PR tree-optimization/93100
+	PR middle-end/98583
+	* g++.dg/warn/uninit-pr93100.C: New test.
+	* gcc.dg/uninit-pr93100.c: New test.
+	* gcc.dg/uninit-pr98583.c: New test.
+
+2021-05-13  Martin Jambor  <mjambor@suse.cz>
+
+	PR tree-optimization/100453
+	* gcc.dg/tree-ssa/pr100453.c: New test.
+
+2021-05-13  Martin Sebor  <msebor@redhat.com>
+
+	* g++.dg/pr100574.C: Use size_t as operator new argument type.
+
+2021-05-13  Martin Liska  <mliska@suse.cz>
+
+	PR middle-end/100504
+	* gcc.target/i386/pr100504.c: New test.
+
+2021-05-13  Martin Sebor  <msebor@redhat.com>
+
+	PR c/100550
+	* gcc.dg/Wvla-parameter-9.c: New test.
+
+2021-05-13  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/99928
+	* c-c++-common/gomp/pr99928-1.c: New test.
+	* c-c++-common/gomp/pr99928-2.c: New test.
+	* c-c++-common/gomp/pr99928-3.c: New test.
+	* c-c++-common/gomp/pr99928-4.c: New test.
+	* c-c++-common/gomp/pr99928-5.c: New test.
+	* c-c++-common/gomp/pr99928-6.c: New test.
+	* c-c++-common/gomp/pr99928-7.c: New test.
+	* c-c++-common/gomp/pr99928-8.c: New test.
+	* c-c++-common/gomp/pr99928-9.c: New test.
+	* c-c++-common/gomp/pr99928-10.c: New test.
+	* c-c++-common/gomp/pr99928-11.c: New test.
+
+2021-05-13  Richard Earnshaw  <rearnsha@arm.com>
+
+	PR target/100563
+	* gcc.dg/pr100563.c (dg-options): Add -wno-pointer-to-int-cast.
+
+2021-05-13  Richard Earnshaw  <rearnsha@arm.com>
+
+	* gcc.dg/pr100563.c: New test.
+
+2021-05-13  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/98856
+	* gcc.target/i386/sse2-psraq-1.c: New test.
+	* gcc.target/i386/sse4_2-psraq-1.c: New test.
+	* gcc.target/i386/avx-psraq-1.c: New test.
+	* gcc.target/i386/avx2-psraq-1.c: New test.
+	* gcc.target/i386/avx-pr82370.c: Adjust expected number of vpsrad
+	instructions.
+	* gcc.target/i386/avx2-pr82370.c: Likewise.
+	* gcc.target/i386/avx512f-pr82370.c: Likewise.
+	* gcc.target/i386/avx512bw-pr82370.c: Likewise.
+	* gcc.dg/torture/vshuf-4.inc: Add two further permutations.
+	* gcc.dg/torture/vshuf-8.inc: Likewise.
+
+2021-05-13  Uroš Bizjak  <ubizjak@gmail.com>
+
+	PR target/100581
+	* g++.target/i386/pr100581.C: New test.
+
+2021-05-13  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR testsuite/100569
+	* gnat.dg/lto21.adb: Prune new LTO warning.
+
+2021-05-13  Martin Liska  <mliska@suse.cz>
+
+	PR testsuite/100569
+	* gcc.dg/atomic/c11-atomic-exec-2.c: Prune new LTO warning.
+	* gcc.dg/torture/pr94947-1.c: Likewise.
+
+2021-05-13  liuhongt  <hongtao.liu@intel.com>
+
+	* gcc.target/i386/avx-pr94680.c: Fix typo in testcase.
+
+2021-05-13  liuhongt  <hongtao.liu@intel.com>
+
+	PR target/94680
+	* gcc.target/i386/avx-pr94680.c: New test.
+	* gcc.target/i386/avx512f-pr94680.c: New test.
+	* gcc.target/i386/sse2-pr94680.c: New test.
+
 2021-05-12  Martin Sebor  <msebor@redhat.com>
 
 	PR middle-end/100571
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index a0bf18b051613e0e6428f497645350936423b4ba..4c956e33d6c41fa24725d5c0dc03b904aa1e3048 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,11 @@
+2021-05-13  Dimitar Dimitrov  <dimitar@dinux.eu>
+
+	* config/pru/mpyll.S (__pruabi_mpyll): Place into own section.
+
+2021-05-13  marxin  <mliska@suse.cz>
+
+	* libgcov-driver.c: Fix GNU coding style.
+
 2021-05-10  Martin Liska  <mliska@suse.cz>
 
 	* libgcov-driver.c (gcov_version): Use different name that does
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 1e8104cb9d2f464397fe1e3cf399fc27d0716c28..1daf0c82f2c81a20d67201d7662c225dd72eb8ae 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,11 @@
+2021-05-13  Martin Liska  <mliska@suse.cz>
+
+	PR testsuite/100569
+	* testsuite/libgomp.c/omp-nested-3.c: Prune new LTO warning.
+	* testsuite/libgomp.c/pr46032-2.c: Likewise.
+	* testsuite/libgomp.oacc-c-c++-common/data-clauses-kernels-ipa-pta.c: Likewise.
+	* testsuite/libgomp.oacc-c-c++-common/data-clauses-parallel-ipa-pta.c: Likewise.
+
 2021-05-12  Tobias Burnus  <tobias@codesourcery.com>
 
 	* testsuite/libgomp.c-c++-common/task-detach-12.c: New test.
diff --git a/libphobos/ChangeLog b/libphobos/ChangeLog
index 62118c0dbfc8697adcfd8892c741bc9ddcd27c00..7574416b9aaccb9f2fa22bfc12837bfd45e9d836 100644
--- a/libphobos/ChangeLog
+++ b/libphobos/ChangeLog
@@ -1,3 +1,7 @@
+2021-05-13  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* libdruntime/MERGE: Merge upstream druntime 98c6ff0c.
+
 2021-05-10  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	* src/MERGE: Merge upstream phobos 32cfe9b61.
diff --git a/libsanitizer/ChangeLog b/libsanitizer/ChangeLog
index af12d4befdc5df41b670abbcf7bca2e738df7cb7..5833998fe46cf9834eb7d7888ee2fbb86524ba68 100644
--- a/libsanitizer/ChangeLog
+++ b/libsanitizer/ChangeLog
@@ -1,3 +1,19 @@
+2021-05-13  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* LOCAL_PATCHES: Add Darwin patch for __builtin_os_log_format.
+
+2021-05-13  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* sanitizer_common/sanitizer_mac.cpp : Check for the
+	availability of __builtin_os_log_format before trying to
+	include a header depending on it.
+	(OS_LOG_DEFAULT): New.
+	(os_log_error): Define to a fall-back using an older API.
+
+2021-05-13  Martin Liska  <mliska@suse.cz>
+
+	* LOCAL_PATCHES: Update to the corresponding revision.
+
 2021-04-17  Jakub Jelinek  <jakub@redhat.com>
 
 	PR sanitizer/100114