+2021-02-05 Nathan Sidwell <nathan@acm.org>
+
+ PR driver/98943
+ * gcc.c (driver::maybe_run_linker): Check for input file
+ accessibility if not linking.
+
+2021-02-05 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/98855
+ * tree-vectorizer.h (add_stmt_cost): New overload.
+ * tree-vect-slp.c (li_cost_vec_cmp): New.
+ (vect_bb_slp_scalar_cost): Cost individual loop regions
+ separately. Account for the scalar instance root stmt.
+
+2021-02-05 Tom de Vries <tdevries@suse.de>
+
+ PR debug/98656
+ * tree-switch-conversion.c (jump_table_cluster::emit): Add loc
+ argument.
+ (bit_test_cluster::emit): Reuse location_t for newly created
+ gswitch statement.
+ (switch_decision_tree::try_switch_expansion): Preserve
+ location_t.
+ * tree-switch-conversion.h: Change function signatures.
+
+2021-02-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/98957
+ * config/i386/i386-options.c (m_NONE, m_ALL): Define.
+ * config/i386/x86-tune.def (X86_TUNE_BRANCH_PREDICTION_HINTS,
+ X86_TUNE_PROMOTE_QI_REGS): Use m_NONE instead of 0U.
+ (X86_TUNE_QIMODE_MATH): Use m_ALL instead of ~0U.
+
+2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
+
+ * config/aarch64/aarch64-simd-builtins.def (get_high): Define builtin.
+ * config/aarch64/aarch64-simd.md (aarch64_get_high<mode>): Define.
+ * config/aarch64/arm_neon.h (__GET_HIGH): Delete.
+ (vget_high_f16): Reimplement using new builtin.
+ (vget_high_f32): Likewise.
+ (vget_high_f64): Likewise.
+ (vget_high_p8): Likewise.
+ (vget_high_p16): Likewise.
+ (vget_high_p64): Likewise.
+ (vget_high_s8): Likewise.
+ (vget_high_s16): Likewise.
+ (vget_high_s32): Likewise.
+ (vget_high_s64): Likewise.
+ (vget_high_u8): Likewise.
+ (vget_high_u16): Likewise.
+ (vget_high_u32): Likewise.
+ (vget_high_u64): Likewise.
+
+2021-02-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
+
+ * config/aarch64/aarch64-simd-builtins.def (get_low): Define builtin.
+ * config/aarch64/aarch64-simd.md (aarch64_get_low<mode>): Define.
+ * config/aarch64/arm_neon.h (__GET_LOW): Delete.
+ (vget_low_f16): Reimplement using new builtin.
+ (vget_low_f32): Likewise.
+ (vget_low_f64): Likewise.
+ (vget_low_p8): Likewise.
+ (vget_low_p16): Likewise.
+ (vget_low_p64): Likewise.
+ (vget_low_s8): Likewise.
+ (vget_low_s16): Likewise.
+ (vget_low_s32): Likewise.
+ (vget_low_s64): Likewise.
+ (vget_low_u8): Likewise.
+ (vget_low_u16): Likewise.
+ (vget_low_u32): Likewise.
+ (vget_low_u64): Likewise.
+
+2021-02-05 Kito Cheng <kito.cheng@sifive.com>
+
+ * gcc.c (print_multilib_info): Check all required argument is provided
+ by default arg.
+
+2021-02-05 liuhongt <hongtao.liu@intel.com>
+
+ PR target/98537
+ * config/i386/i386-expand.c (ix86_expand_sse_cmp): Don't
+ generate integer mask comparison for 128/256-bits vector when
+ op_true/op_false is NULL_RTX or CONSTM1_RTX/CONST0_RTX. Also
+ delete redundant !maskcmp condition.
+ (ix86_expand_int_vec_cmp): Ditto but no redundant deletion
+ here.
+ (ix86_expand_sse_movcc): Delete definition of maskcmp, add the
+ condition directly to if (maskcmp), add extra check for
+ cmpmode, it should be MODE_INT.
+ (ix86_expand_fp_vec_cmp): Pass NULL to ix86_expand_sse_cmp's
+ parameters op_true/op_false.
+ (ix86_use_mask_cmp_p): New.
+
+2021-02-05 liuhongt <hongtao.liu@intel.com>
+
+ PR target/98172
+ * config/i386/x86-tune.def (X86_TUNE_AVX256_UNALIGNED_LOAD_OPTIMAL):
+ Remove m_GENERIC from ~list.
+ (X86_TUNE_AVX256_UNALIGNED_STORE_OPTIMAL): Ditto.
+
2021-02-04 David Malcolm <dmalcolm@redhat.com>
PR c/97932
+2021-02-05 Marek Polacek <polacek@redhat.com>
+
+ PR c++/98947
+ * g++.dg/cpp2a/volatile5.C: New test.
+
+2021-02-05 Marek Polacek <polacek@redhat.com>
+
+ PR c++/96462
+ * g++.dg/cpp2a/using-enum-8.C: New test.
+
+2021-02-05 Nathan Sidwell <nathan@acm.org>
+
+ PR driver/98943
+ * c-c++-common/pr98943.c: New.
+
+2021-02-05 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/98855
+ * g++.dg/vect/slp-pr98855.cc: New testcase.
+
+2021-02-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/97878
+ * g++.dg/cpp1z/decomp54.C: New test.
+
+2021-02-05 liuhongt <hongtao.liu@intel.com>
+
+ PR target/98537
+ * g++.target/i386/avx512bw-pr98537-1.C: New test.
+ * g++.target/i386/avx512vl-pr98537-1.C: New test.
+ * g++.target/i386/avx512vl-pr98537-2.C: New test.
+ * gcc.target/i386/avx512vl-pr88547-1.c: Adjust testcase,
+ integer mask comparison should not be generated.
+ * gcc.target/i386/avx512vl-pr92686-vpcmp-1.c: Remove.
+ * gcc.target/i386/avx512vl-pr92686-vpcmp-2.c: Ditto.
+ * gcc.target/i386/avx512vl-pr92686-vpcmp-intelasm-1.c: Ditto.
+
2021-02-04 Julian Brown <julian@codesourcery.com>
* gfortran.dg/goacc/derived-chartypes-1.f90: New test.