+2020-03-04 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/94001
+ * tree-tailcall.c (process_assignment): Before comparing op1 to
+ *ass_var, verify *ass_var is non-NULL.
+
+2020-03-04 Kito Cheng <kito.cheng@sifive.com>
+
+ PR target/93995
+ * config/riscv/riscv.c (riscv_emit_float_compare): Using NE to compare
+ the result of IOR.
+
+2020-03-03 Dennis Zhang <dennis.zhang@arm.com>
+
+ * config/arm/arm_bf16.h (vcvtah_f32_bf16, vcvth_bf16_f32): New.
+ * config/arm/arm_neon.h (vcvt_f32_bf16, vcvtq_low_f32_bf16): New.
+ (vcvtq_high_f32_bf16, vcvt_bf16_f32): New.
+ (vcvtq_low_bf16_f32, vcvtq_high_bf16_f32): New.
+ * config/arm/arm_neon_builtins.def (vbfcvt, vbfcvt_high): New entries.
+ (vbfcvtv4sf, vbfcvtv4sf_high): Likewise.
+ * config/arm/iterators.md (VBFCVT, VBFCVTM): New mode iterators.
+ (V_bf_low, V_bf_cvt_m): New mode attributes.
+ * config/arm/neon.md (neon_vbfcvtv4sf<VBFCVT:mode>): New.
+ (neon_vbfcvtv4sf_highv8bf, neon_vbfcvtsf): New.
+ (neon_vbfcvt<VBFCVT:mode>, neon_vbfcvt_highv8bf): New.
+ (neon_vbfcvtbf_cvtmode<mode>, neon_vbfcvtbf): New
+ * config/arm/unspecs.md (UNSPEC_BFCVT, UNSPEC_BFCVT_HIG): New.
+
+2020-03-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/93582
+ * tree-ssa-sccvn.h (vn_reference_lookup): Add mask argument.
+ * tree-ssa-sccvn.c (struct vn_walk_cb_data): Add mask and masked_result
+ members, initialize them in the constructor and if mask is non-NULL,
+ artificially push_partial_def {} for the portions of the mask that
+ contain zeros.
+ (vn_walk_cb_data::finish): If mask is non-NULL, set masked_result to
+ val and return (void *)-1. Formatting fix.
+ (vn_reference_lookup_pieces): Adjust vn_walk_cb_data initialization.
+ Formatting fix.
+ (vn_reference_lookup): Add mask argument. If non-NULL, don't call
+ fully_constant_vn_reference_p nor vn_reference_lookup_1 and return
+ data.mask_result.
+ (visit_nary_op): Handle BIT_AND_EXPR of a memory load and INTEGER_CST
+ mask.
+ (visit_stmt): Formatting fix.
+
+2020-03-03 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/93946
+ * alias.h (refs_same_for_tbaa_p): Declare.
+ * alias.c (refs_same_for_tbaa_p): New function.
+ * tree-ssa-alias.c (ao_ref_alias_set): For a NULL ref return
+ zero.
+ * tree-ssa-scopedtables.h
+ (avail_exprs_stack::lookup_avail_expr): Add output argument
+ giving access to the hashtable entry.
+ * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
+ Likewise.
+ * tree-ssa-dom.c: Include alias.h.
+ (dom_opt_dom_walker::optimize_stmt): Validate TBAA state before
+ removing redundant store.
+ * tree-ssa-sccvn.h (vn_reference_s::base_set): New member.
+ (ao_ref_init_from_vn_reference): Adjust prototype.
+ (vn_reference_lookup_pieces): Likewise.
+ (vn_reference_insert_pieces): Likewise.
+ * tree-ssa-sccvn.c: Track base alias set in addition to alias
+ set everywhere.
+ (eliminate_dom_walker::eliminate_stmt): Also check base alias
+ set when removing redundant stores.
+ (visit_reference_op_store): Likewise.
+ * dse.c (record_store): Adjust valdity check for redundant
+ store removal.
+
+2020-03-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/26877
+ * config/s390/s390.h (OPTION_DEFAULT_SPECS): Reorder.
+
+ PR rtl-optimization/94002
+ * explow.c (plus_constant): Punt if cst has VOIDmode and
+ get_pool_mode is different from mode.
+
+2020-03-03 Claudiu Zissulescu <claziss@synopsys.com>
+
+ * config/arc/arc.c (leigitimate_small_data_address_p): Check if an
+ address has an offset which fits the scalling constraint for a
+ load/store operation.
+ (legitimate_scaled_address_p): Update use
+ leigitimate_small_data_address_p.
+ (arc_print_operand): Likewise.
+ (arc_legitimate_address_p): Likewise.
+ (legitimate_small_data_address_p): Likewise.
+
+2020-03-03 Claudiu Zissulescu <claziss@synopsys.com>
+
+ * config/arc/arc.md (fmasf4_fpu): Use accl_operand predicate.
+ (fnmasf4_fpu): Likewise.
+
+2020-03-03 Claudiu Zissulescu <claziss@synopsys.com>
+
+ * config/arc/arc.md (adddi3): Early expand the 64bit operation into
+ 32bit ops.
+ (subdi3): Likewise.
+ (adddi3_i): Remove pattern.
+ (subdi3_i): Likewise.
+
+2020-03-03 Claudiu Zissulescu <claziss@synopsys.com>
+
+ * config/arc/arc.md (eh_return): Add length info.
+
+2020-03-02 David Malcolm <dmalcolm@redhat.com>
+
+ * doc/invoke.texi (-fanalyzer-show-duplicate-count): New.
+
+2020-03-02 David Malcolm <dmalcolm@redhat.com>
+
+ * doc/invoke.texi (Static Analyzer Options): Add
+ -Wanalyzer-stale-setjmp-buffer to the list of options enabled
+ by -fanalyzer.
+
+2020-03-02 Uroš Bizjak <ubizjak@gmail.com>
+
+ PR target/93997
+ * config/i386/i386.md (movstrict<mode>): Allow only
+ registers with VALID_INT_MODE_P modes.
+
2020-03-02 Andrew Stubbs <ams@codesourcery.com>
* config/gcn/gcn-valu.md (dpp_move<mode>): New.
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