+2021-08-25 H.J. Lu <hjl.tools@gmail.com>
+
+ Backported from master:
+ 2021-08-05 H.J. Lu <hjl.tools@gmail.com>
+
+ PR target/99744
+ * config/i386/i386.c (ix86_can_inline_p): Ignore MASK_80387 if
+ callee only uses GPRs.
+ * config/i386/ia32intrin.h: Revert commit 5463cee2770.
+ * config/i386/serializeintrin.h: Revert commit 71958f740f1.
+ * config/i386/x86gprintrin.h: Add
+ #pragma GCC target("general-regs-only") and #pragma GCC pop_options
+ to disable non-GPR ISAs.
+
+2021-08-25 H.J. Lu <hjl.tools@gmail.com>
+
+ Backported from master:
+ 2021-07-18 H.J. Lu <hjl.tools@gmail.com>
+
+ PR target/101492
+ * common/config/i386/i386-common.c (ix86_handle_option): For
+ -mgeneral-regs-only, enable the GPR only instructions which are
+ enabled implicitly by SSE ISAs unless they have been disabled
+ explicitly.
+
+2021-08-25 H.J. Lu <hjl.tools@gmail.com>
+
+ Backported from master:
+ 2021-07-21 H.J. Lu <hjl.tools@gmail.com>
+
+ PR target/101549
+ * config/i386/i386-builtin.def: Remove OPTION_MASK_ISA_SSE4_2
+ from CRC32 _builtin functions.
+
+2021-08-25 H.J. Lu <hjl.tools@gmail.com>
+
+ Backported from master:
+ 2021-04-20 H.J. Lu <hjl.tools@gmail.com>
+
+ * config/i386/i386-c.c (ix86_target_macros_internal): Define
+ __CRC32__ for -mcrc32.
+ * config/i386/i386-options.c (ix86_option_override_internal):
+ Enable crc32 instruction for -msse4.2.
+ * config/i386/i386.md (sse4_2_crc32<mode>): Remove TARGET_SSE4_2
+ check.
+ (sse4_2_crc32di): Likewise.
+ * config/i386/ia32intrin.h: Use crc32 target option for CRC32
+ intrinsics.
+
+2021-08-25 H.J. Lu <hjl.tools@gmail.com>
+
+ Backported from master:
+ 2021-04-21 H.J. Lu <hjl.tools@gmail.com>
+
+ * config.gcc: Install mwaitintrin.h for i[34567]86-*-* and
+ x86_64-*-* targets.
+ * lto-streamer.h (LTO_minor_version): Bump.
+ * common/config/i386/i386-common.c (OPTION_MASK_ISA2_MWAIT_SET):
+ New.
+ (OPTION_MASK_ISA2_MWAIT_UNSET): Likewise.
+ (ix86_handle_option): Handle -mmwait.
+ * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
+ Replace OPTION_MASK_ISA_SSE3 with OPTION_MASK_ISA2_MWAIT on
+ __builtin_ia32_monitor and __builtin_ia32_mwait.
+ * config/i386/i386-options.c (isa2_opts): Add -mmwait.
+ (ix86_valid_target_attribute_inner_p): Likewise.
+ (ix86_option_override_internal): Enable mwait/monitor
+ instructions for -msse3.
+ * config/i386/i386.h (TARGET_MWAIT): New.
+ (TARGET_MWAIT_P): Likewise.
+ * config/i386/i386.opt: Add -mmwait.
+ * config/i386/mwaitintrin.h: New file.
+ * config/i386/pmmintrin.h: Include <mwaitintrin.h>.
+ * config/i386/sse.md (sse3_mwait): Replace TARGET_SSE3 with
+ TARGET_MWAIT.
+ (@sse3_monitor_<mode>): Likewise.
+ * config/i386/x86gprintrin.h: Include <mwaitintrin.h>.
+ * doc/extend.texi: Document mwait target attribute.
+ * doc/invoke.texi: Document -mmwait.
+
+2021-08-25 konglin1 <lingling.kong@intel.com>
+
+ PR target/101471
+ * config/i386/avx512dqintrin.h (_mm512_fpclass_ps_mask): Fix
+ macro define in O0.
+ (_mm512_mask_fpclass_ps_mask): Ditto.
+
2021-08-24 Richard Earnshaw <rearnsha@arm.com>
Backported from master:
+2021-08-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
+
+ Backported from master:
+ 2021-05-29 Bernd Edlinger <bernd.edlinger@hotmail.de>
+
+ * gcc.dg/plugin/diagnostic_plugin_show_trees.c (plugin_init): Fix caret_max_with.
+ * gcc.dg/plugin/diagnostic_plugin_test_inlining.c
+ (plugin_init): Likewise.
+ * gcc.dg/plugin/diagnostic_plugin_test_paths.c (plugin_init): Likewise.
+ * gcc.dg/plugin/diagnostic_plugin_test_string_literals.c
+ (plugin_init): Likewise.
+ * gcc.dg/plugin/diagnostic_plugin_test_tree_expression_range.c
+ (plugin_init): Likewise.
+
+2021-08-25 H.J. Lu <hjl.tools@gmail.com>
+
+ Backported from master:
+ 2021-08-05 H.J. Lu <hjl.tools@gmail.com>
+
+ PR target/99744
+ * gcc.target/i386/pr99744-3.c: New test.
+ * gcc.target/i386/pr99744-4.c: Likewise.
+ * gcc.target/i386/pr99744-5.c: Likewise.
+ * gcc.target/i386/pr99744-6.c: Likewise.
+ * gcc.target/i386/pr99744-7.c: Likewise.
+ * gcc.target/i386/pr99744-8.c: Likewise.
+
+2021-08-25 H.J. Lu <hjl.tools@gmail.com>
+
+ Backported from master:
+ 2021-07-18 H.J. Lu <hjl.tools@gmail.com>
+
+ PR target/101492
+ * gcc.target/i386/pr101492-1.c: New test.
+ * gcc.target/i386/pr101492-2.c: Likewise.
+ * gcc.target/i386/pr101492-3.c: Likewise.
+ * gcc.target/i386/pr101492-4.c: Likewise.
+
+2021-08-25 H.J. Lu <hjl.tools@gmail.com>
+
+ Backported from master:
+ 2021-07-21 H.J. Lu <hjl.tools@gmail.com>
+
+ PR target/101549
+ * gcc.target/i386/crc32-6.c: New test.
+
+2021-08-25 H.J. Lu <hjl.tools@gmail.com>
+
+ Backported from master:
+ 2021-04-21 H.J. Lu <hjl.tools@gmail.com>
+
+ * gcc.target/i386/monitor-2.c: New test.
+
+2021-08-25 konglin1 <lingling.kong@intel.com>
+
+ PR target/101471
+ * gcc.target/i386/avx512f-pr101471.c: New test.
+
2021-08-24 Richard Earnshaw <rearnsha@arm.com>
Backported from master: