+2020-09-07 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR rtl-optimization/96796
+ * lra-constraints.c (in_class_p): Add a default-false
+ allow_all_reload_class_changes_p parameter. Do not treat
+ reload moves specially when the parameter is true.
+ (get_reload_reg): Try to narrow the class of an existing OP_OUT
+ reload if we're reloading a reload pseudo in a reload instruction.
+
+2020-09-07 Andrea Corallo <andrea.corallo@arm.com>
+
+ * tree-vect-loop.c (vect_estimate_min_profitable_iters): Revert
+ dead-code removal introduced by 09fa6acd8d9 + add a comment to
+ clarify.
+
+2020-09-07 Jozef Lawrynowicz <jozef.l@mittosystems.com>
+
+ * doc/rtl.texi (subreg): Fix documentation to state there is a known
+ number of undefined bits in regs and subregs of MODE_PARTIAL_INT modes.
+
+2020-09-07 Jozef Lawrynowicz <jozef.l@mittosystems.com>
+
+ * config/msp430/msp430.c (msp430_option_override): Don't set the
+ ISA to 430 when the MCU is unrecognized.
+
+2020-09-07 Iain Sandoe <iain@sandoe.co.uk>
+
+ * config/darwin.c (darwin_libc_has_function): Report sincos
+ available from 10.9.
+
+2020-09-07 Alex Coplan <alex.coplan@arm.com>
+
+ * config/aarch64/aarch64.md (*adds_mul_imm_<mode>): Delete.
+ (*subs_mul_imm_<mode>): Delete.
+ (*adds_<optab><mode>_multp2): Delete.
+ (*subs_<optab><mode>_multp2): Delete.
+ (*add_mul_imm_<mode>): Delete.
+ (*add_<optab><ALLX:mode>_mult_<GPI:mode>): Delete.
+ (*add_<optab><SHORT:mode>_mult_si_uxtw): Delete.
+ (*add_<optab><mode>_multp2): Delete.
+ (*add_<optab>si_multp2_uxtw): Delete.
+ (*add_uxt<mode>_multp2): Delete.
+ (*add_uxtsi_multp2_uxtw): Delete.
+ (*sub_mul_imm_<mode>): Delete.
+ (*sub_mul_imm_si_uxtw): Delete.
+ (*sub_<optab><mode>_multp2): Delete.
+ (*sub_<optab>si_multp2_uxtw): Delete.
+ (*sub_uxt<mode>_multp2): Delete.
+ (*sub_uxtsi_multp2_uxtw): Delete.
+ (*neg_mul_imm_<mode>2): Delete.
+ (*neg_mul_imm_si2_uxtw): Delete.
+ * config/aarch64/predicates.md (aarch64_pwr_imm3): Delete.
+ (aarch64_pwr_2_si): Delete.
+ (aarch64_pwr_2_di): Delete.
+
+2020-09-07 Alex Coplan <alex.coplan@arm.com>
+
+ * config/aarch64/aarch64.md
+ (*adds_<optab><ALLX:mode>_<GPI:mode>): Ensure extended operand
+ agrees with width of extension specifier.
+ (*subs_<optab><ALLX:mode>_<GPI:mode>): Likewise.
+ (*adds_<optab><ALLX:mode>_shift_<GPI:mode>): Likewise.
+ (*subs_<optab><ALLX:mode>_shift_<GPI:mode>): Likewise.
+ (*add_<optab><ALLX:mode>_<GPI:mode>): Likewise.
+ (*add_<optab><ALLX:mode>_shft_<GPI:mode>): Likewise.
+ (*add_uxt<mode>_shift2): Likewise.
+ (*sub_<optab><ALLX:mode>_<GPI:mode>): Likewise.
+ (*sub_<optab><ALLX:mode>_shft_<GPI:mode>): Likewise.
+ (*sub_uxt<mode>_shift2): Likewise.
+ (*cmp_swp_<optab><ALLX:mode>_reg<GPI:mode>): Likewise.
+ (*cmp_swp_<optab><ALLX:mode>_shft_<GPI:mode>): Likewise.
+
+2020-09-07 Richard Biener <rguenther@suse.de>
+
+ * tree-vect-slp.c (vect_analyze_slp_instance): Dump
+ stmts we start SLP analysis from, failure and splitting.
+ (vect_schedule_slp): Dump SLP graph entry and root stmt
+ we are about to emit code for.
+
+2020-09-07 Martin Storsjö <martin@martin.st>
+
+ * dwarf2out.c (file_name_acquire): Make a strchr return value
+ pointer to const.
+
+2020-09-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/94235
+ * lto-streamer-out.c (output_cfg): Also stream goto_locus for edges.
+ Use bp_pack_var_len_unsigned instead of streamer_write_uhwi to stream
+ e->dest->index and e->flags.
+ (output_function): Call output_cfg before output_ssa_name, rather than
+ after streaming all bbs.
+ * lto-streamer-in.c (input_cfg): Stream in goto_locus for edges.
+ Use bp_unpack_var_len_unsigned instead of streamer_read_uhwi to stream
+ in dest_index and edge_flags.
+
+2020-09-07 Richard Biener <rguenther@suse.de>
+
+ * tree-vectorizer.h (vectorizable_live_operation): Adjust.
+ * tree-vect-loop.c (vectorizable_live_operation): Vectorize
+ live lanes out of basic-block vectorization nodes.
+ * tree-vect-slp.c (vect_bb_slp_mark_live_stmts): New function.
+ (vect_slp_analyze_operations): Analyze live lanes and their
+ vectorization possibility after the whole SLP graph is final.
+ (vect_bb_slp_scalar_cost): Adjust for vectorized live lanes.
+ * tree-vect-stmts.c (can_vectorize_live_stmts): Adjust.
+ (vect_transform_stmt): Call can_vectorize_live_stmts also for
+ basic-block vectorization.
+
2020-09-04 Richard Biener <rguenther@suse.de>
PR tree-optimization/96698
+2020-09-07 Harald Anlauf <anlauf@gmx.de>
+
+ * gfortran.dg/pr96711.f90: New test.
+
+2020-09-07 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR rtl-optimization/96796
+ * gcc.c-torture/compile/pr96796.c: New test.
+
+2020-09-07 Jozef Lawrynowicz <jozef.l@mittosystems.com>
+
+ * gcc.target/msp430/430x-default-isa.c: New test.
+
+2020-09-07 Iain Sandoe <iain@sandoe.co.uk>
+
+ * gcc.dg/pubtypes-2.c: Amend Pub Info Length.
+ * gcc.dg/pubtypes-3.c: Likewise.
+ * gcc.dg/pubtypes-4.c: Likewise.
+
+2020-09-07 Alex Coplan <alex.coplan@arm.com>
+
+ * gcc.target/aarch64/adds3.c: Fix test w.r.t. new syntax.
+ * gcc.target/aarch64/cmp.c: Likewise.
+ * gcc.target/aarch64/subs3.c: Likewise.
+ * gcc.target/aarch64/subsp.c: Likewise.
+ * gcc.target/aarch64/extend-syntax.c: New test.
+
+2020-09-07 Tobias Burnus <tobias@codesourcery.com>
+
+ PR fortran/96896
+ * gfortran.dg/ptr_func_assign_4.f08: Update dg-error.
+ * gfortran.dg/ptr-func-3.f90: New test.
+
+2020-09-07 liuhongt <hongtao.liu@intel.com>
+
+ * gcc.dg/vect/slp-46.c: Add --param vect-epilogues-nomask=0 to
+ void backend interference.
+
+2020-09-07 Richard Biener <rguenther@suse.de>
+
+ * gcc.dg/vect/bb-slp-46.c: New testcase.
+ * gcc.dg/vect/bb-slp-47.c: Likewise.
+ * gcc.dg/vect/bb-slp-32.c: Adjust.
+
+2020-09-07 liuhongt <hongtao.liu@intel.com>
+
+ * gcc.target/i386/pr92658-avx512bw-trunc.c: Add
+ -mprefer-vector-width=512 to avoid impact of different default
+ tune which gcc is built with.
+
2020-09-06 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
* gfortran.dg/coarray_fail_st.f90: Adjust test.