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2017-09-26re PR target/39570 (cabs and cabsf are named differently on NetBSD 5)Krister Walfridsson6-1/+115
2017-09-26 Krister Walfridsson <krister.walfridsson@gmail.com> PR target/39570 * gcc/config/netbsd-protos.h: New file. * gcc/config/netbsd.c: New file. * gcc/config/netbsd.h (SUBTARGET_INIT_BUILTINS): Define. * gcc/config/t-netbsd: New file. * gcc/config.gcc (tm_p_file): Add netbsd-protos.h. (tmake_file) Add t-netbsd. (extra_objs) Add netbsd.o. From-SVN: r253216
2017-09-26Commit ChangeLog entries from previous commit.Thomas Koenig2-0/+10
From-SVN: r253215
2017-09-26re PR fortran/82143 (add a -fdefault-real-16 flag)Janus Weil6-1/+38
2017-09-26 Janus Weil <janus@gcc.gnu.org> PR fortran/82143 PR fortran/82324 * doc/sourcebuild.texi: Document fortran_real_10 and fortran_real_16. 2017-09-26 Janus Weil <janus@gcc.gnu.org> PR fortran/82143 PR fortran/82324 * lib/target-supports.exp (check_effective_target_fortran_real_10): New. * gfortran.dg/promotion_3.f90: Only run if real(16) is available. * gfortran.dg/promotion_4.f90: Only run if real(10) is available. Don't assume that DOUBLE PRECISION has kind=16. From-SVN: r253214
2017-09-26vsx.md (vsx_xscvdpspn): Eliminate useless alternative constraint.Michael Meissner2-7/+12
2017-09-26 Michael Meissner <meissner@linux.vnet.ibm.com> * config/rs6000/vsx.md (vsx_xscvdpspn): Eliminate useless alternative constraint. (vsx_xscvspdpn): Likewise. (vsx_xscvspdpn_scalar): Likewise. From-SVN: r253213
2017-09-26vsx.md (vsx_xscvspdp_scalar2): Move insn so that it is adjacent to the other ↵Michael Meissner2-9/+11
XSCVSPDP insns. 2017-09-26 Michael Meissner <meissner@linux.vnet.ibm.com> * config/rs6000/vsx.md (vsx_xscvspdp_scalar2): Move insn so that it is adjacent to the other XSCVSPDP insns. From-SVN: r253212
2017-09-26frontend-passes.c (do_subscript): Don't do anything if inside an associate list.Thomas Koenig2-2/+6
2017-09-26 Thomas Koenig <tkoenig@gcc.gnu.org> * frontend-passes.c (do_subscript): Don't do anything if inside an associate list. 2017-09-26 Thomas Koenig <tkoenig@gcc.gnu.org> * gfortran.dg/gomp/associate1.f90: Remove unnecessary warning from associate construct and do loop. From-SVN: r253211
2017-09-26rs6000.md (movsi_from_df): Optimize converting a DFmode to a SFmode...Michael Meissner2-1/+23
2017-09-26 Michael Meissner <meissner@linux.vnet.ibm.com> * config/rs6000/rs6000.md (movsi_from_df): Optimize converting a DFmode to a SFmode, and then needing to move the SFmode to a GPR to use the XSCVDPSP instruction instead of FRSP and XSCVDPSPN. From-SVN: r253210
2017-09-26rs6000.md (movsi_from_sf): Adjust code to eliminate doing a 32-bit shift ↵Michael Meissner2-68/+46
right or vector extract after... 2017-09-26 Michael Meissner <meissner@linux.vnet.ibm.com> * config/rs6000/rs6000.md (movsi_from_sf): Adjust code to eliminate doing a 32-bit shift right or vector extract after doing XSCVDPSPN. Use zero_extendsidi2 instead of p8_mfvsrd_4_disf to move the value to the GPRs. (movdi_from_sf_zero_ext): Likewise. (reload_gpr_from_vsxsf): Likewise. (p8_mfvsrd_4_disf): Delete, no longer used. From-SVN: r253209
2017-09-26rs6000.md (extendsi<mode>2): Add a splitter to do sign extension from a ↵Michael Meissner2-4/+27
vector register to a GPR by doing a... 2017-09-26 Michael Meissner <meissner@linux.vnet.ibm.com> * config/rs6000/rs6000.md (extendsi<mode>2): Add a splitter to do sign extension from a vector register to a GPR by doing a 32-bit direct move and then an EXTSW. (extendsi<mode>2 splitter): Likewise. From-SVN: r253208
2017-09-26Make SRA qsort comparator transitiveMartin Jambor2-10/+40
2017-09-26 Martin Jambor <mjambor@suse.cz> * tree-sra.c (compare_access_positions): Put integral types first, stabilize sorting of integral types, remove conditions putting non-full-precision integers last. (sort_and_splice_var_accesses): Disable scalarization if a non-integert would be represented by a non-full-precision integer. From-SVN: r253207
2017-09-26associate1.f90: Really commit change from 2017-09-25.Thomas Koenig4-5/+12
2017-09-26 Thomas Koenig <tkoenig@gcc.gnu.org> * gfortran.dg/gomp/associate1.f90: Really commit change from 2017-09-25. * gfortran.dg/predcom-1.f: Likewise. * gfortran.dg/unconstrained_commons.f: Likewise. From-SVN: r253206
2017-09-26Enable no-exec stacks for more targets using the Linux kernel.Joseph Myers17-10/+105
Building glibc for many different configurations and running the compilation parts of the testsuite runs into failures of the elf/check-execstack test for hppa and microblaze. Those configurations default to executable stacks in the Linux kernel because of VM_DATA_DEFAULT_FLAGS definitions including VM_EXEC (VM_DATA_DEFAULT_FLAGS being the default definition of VM_STACK_DEFAULT_FLAGS). This fails because those configurations are not generating .note.GNU-stack sections to indicate that programs do not need an executable stack. This patch fixes GCC to generate those sections on those architectures (when configured for a target using the Linux kernel), as it does on other architectures, together with adding that section to libgcc .S sources, with the same code as used on other architectures (or a variant using "#ifdef __linux__" instead of the usual "#if defined(__ELF__) && defined(__linux__)" for microblaze, as that configuration doesn't use elfos.h and so doesn't define __ELF__). This suffices to eliminate that glibc test failure. (For hppa, the compilation parts of the glibc testsuite still fail because of the separate elf/check-textrel failure.) gcc: * config/microblaze/linux.h (TARGET_ASM_FILE_END): Likewise. * config/pa/pa.h (NEED_INDICATE_EXEC_STACK): Likewise. * config/pa/pa-linux.h (NEED_INDICATE_EXEC_STACK): Likewise. * config/pa/pa.c (pa_hpux_file_end): Rename to pa_file_end. Define unconditionally, with [ASM_OUTPUT_EXTERNAL_REAL] conditionals inside the function instead of around it. Call file_end_indicate_exec_stack if NEED_INDICATE_EXEC_STACK. (TARGET_ASM_FILE_END): Define unconditionally to pa_file_end. libgcc: * config/microblaze/crti.S, config/microblaze/crtn.S, config/microblaze/divsi3.S, config/microblaze/moddi3.S, config/microblaze/modsi3.S, config/microblaze/muldi3_hard.S, config/microblaze/mulsi3.S, config/microblaze/stack_overflow_exit.S, config/microblaze/udivsi3.S, config/microblaze/umodsi3.S, config/pa/milli64.S: Add .note.GNU-stack section. From-SVN: r253204
2017-09-26graphite-scop-detection.c (scop_detection::build_scop_depth): Rewrite, fold ↵Richard Biener3-267/+115
in ... 2017-09-26 Richard Biener <rguenther@suse.de> * graphite-scop-detection.c (scop_detection::build_scop_depth): Rewrite, fold in ... (scop_detection::build_scop_breadth): ... this. Removed. (scop_detection::loop_is_valid_in_scop): Fold into single caller. (scop_detection::harmful_stmt_in_bb): Likewise. (scop_detection::graphite_can_represent_stmt): Likewise. (scop_detection::loop_body_is_valid_scop): Likewise. Remove recursion. (scop_detection::can_represent_loop): Remove recursion, fold in ... (scop_detection::can_represent_loop_1): ... this. Removed. (scop_detection::harmful_loop_in_region): Simplify after inlining the above and remove more quadraticness. (build_scops): Adjust. * tree-data-ref.c (loop_nest_has_data_refs): Remove pointless quadraticness. From-SVN: r253203
2017-09-26re PR target/82267 (x32: unnecessary address-size prefixes. Why isn't ↵Jakub Jelinek2-1/+5
-maddress-mode=long the default?) PR target/82267 * config/i386/i386.c (ix86_print_operand_address_as): Only test REGNO (base) == SP_REG if base is a REG. From-SVN: r253202
2017-09-26re PR middle-end/35691 (Missed (a == 0) && (b == 0) into (a|(typeof(a)(b)) ↵Jakub Jelinek5-1/+351
== 0 when the types don't match) PR middle-end/35691 * tree-ssa-reassoc.c (update_range_test): Dump r->exp each time if it is different SSA_NAME. (optimize_range_tests_cmp_bitwise): New function. (optimize_range_tests): Call it. * gcc.dg/pr35691-5.c: New test. * gcc.dg/pr35691-6.c: New test. From-SVN: r253201
2017-09-26Fix changelog entry.Andreas Krebbel1-1/+30
From-SVN: r253200
2017-09-26re PR tree-optimization/82321 (ICE in check_loop_closed_ssa_use, at ↵Richard Biener4-1/+50
tree-ssa-loop-manip.c:707) 2017-09-26 Richard Biener <rguenther@suse.de> PR tree-optimization/82321 * graphite.c (canonicalize_loop_closed_ssa): Properly check for the def being inside the loop. * gcc.dg/graphite/pr82321.c: New testcase. From-SVN: r253199
2017-09-26S/390: Fix vmslg instruction and builtin.Andreas Krebbel3-3/+9
gcc/ChangeLog: 2017-09-26 Andreas Krebbel <krebbel@linux.vnet.ibm.com> * config/s390/vx-builtins.md ("vmslg"): Add missing operand in assembler output. * config/s390/s390-builtins.def: Fix constraint on op4. From-SVN: r253198
2017-09-26S/390: Fix vector fp unordered comparesAndreas Krebbel3-4/+75
V2DF mode was still hard-coded here. gcc/ChangeLog: 2017-09-26 Andreas Krebbel <krebbel@linux.vnet.ibm.com> * config/s390/s390.c (s390_expand_vec_compare): Use the new mode independent expanders. * config/s390/vector.md ("vec_cmpuneq", "vec_cmpltgt") ("vec_ordered", "vec_unordered"): New expanders. From-SVN: r253197
2017-09-26S/390: Set the preferred mode for float vectorsAndreas Krebbel2-0/+13
gcc/ChangeLog: 2017-09-26 Andreas Krebbel <krebbel@linux.vnet.ibm.com> * config/s390/s390.c (s390_preferred_simd_mode): Return V4SFmode for SFmode. From-SVN: r253196
2017-09-26S/390: Fix rtl standard names for vector unpack low->loAndreas Krebbel2-2/+8
gcc/ChangeLog: 2017-09-26 Andreas Krebbel <krebbel@linux.vnet.ibm.com> * config/s390/vector.md ("vec_unpacks_low_v16qi"): Rename to vec_unpacks_lo_v16qi. ("vec_unpacku_low_v16qi"): Rename to vec_unpacku_lo_v16qi. From-SVN: r253195
2017-09-26S/390: Add FP vec_pack/unpackAndreas Krebbel2-1/+101
gcc/ChangeLog: 2017-09-26 Andreas Krebbel <krebbel@linux.vnet.ibm.com> * config/s390/vector.md ("vec_unpacks_lo_v4sf") ("vec_unpacks_hi_v4sf", "vec_unpacks_lo_v2df") ("vec_unpacks_hi_v2df", "vec_pack_trunc_v2df"): New expanders. From-SVN: r253194
2017-09-26S/390: Add support for vec_shrAndreas Krebbel4-17/+64
gcc/ChangeLog: 2017-09-26 Andreas Krebbel <krebbel@linux.vnet.ibm.com> * config/s390/predicates.md ("const_shift_by_byte_operand"): New predicate. * config/s390/vector.md ("*vec_srb<mode>"): Change modes to V_128 and V16QI. ("*vec_slb<mode>"): New insn pattern. ("vec_shr_<mode>"): New expander. * config/s390/vx-builtins.md ("vec_slb<mode>"): Turn into expander and force the shift count operand to V16QImode. ("vec_srb<mode>"): Set shift count mode to V16QI. From-SVN: r253193
2017-09-26S/390: Add widening vector mult lo/hi patternsAndreas Krebbel2-4/+85
Add support for widening vector multiply lo/hi patterns. These do not directly match on IBM Z instructions but can be emulated with even/odd + vector merge. gcc/ChangeLog: 2017-09-26 Andreas Krebbel <krebbel@linux.vnet.ibm.com> * config/s390/vector.md ("vec_widen_umult_lo_<mode>") ("vec_widen_umult_hi_<mode>", "vec_widen_smult_lo_<mode>") ("vec_widen_smult_hi_<mode>"): New expander definitions. From-SVN: r253192
2017-09-26Enable vect testcases on S/390.Andreas Krebbel2-29/+106
Add s390 platform checks where appropriate. gcc/testsuite/ChangeLog: 2017-09-26 Andreas Krebbel <krebbel@linux.vnet.ibm.com> * lib/target-supports.exp: Enable tests for S/390. From-SVN: r253191
2017-09-26[ARM] PR82175 - fix -mcpu=native not working correctly.Richard Earnshaw2-2/+10
The new option processing machinery relies on %< rules in the specs to suppress options that are rewritten. Suppression appears to be a two phase process where the option is partially suppressed when %< is processed and then fully suppressed at the end of the string. Strings are separated by commas and there can be multiple strings used to form DRIVER_SELF_SPECS. The fix in this case is to separate the driver self specs for ARM into separate rules as described; this forces the -m{cpu,tune,arch}=native options to be properly removed before proceeding to the next rule set. PR target/82175 * config/arm/arm.h (DRIVER_SELF_SPECS): Separate sub-rules with commas. From-SVN: r253189
2017-09-26re PR tree-optimization/82320 (Compile time hog w/ -O)Richard Biener4-0/+56
2017-09-26 Richard Biener <rguenther@suse.de> PR tree-optimization/82320 * tree-ssa-sccvn.c (set_ssa_val_to): Changing undef to undef isn't a change. * gcc.dg/torture/pr82320.c: New testcase. From-SVN: r253188
2017-09-26[testsuite][arm] Fix check_effective_target_vect_hw_misalign check.Christophe Lyon2-1/+6
2017-09-26 Christophe Lyon <christophe.lyon@linaro.org> * lib/target-supports.exp (check_effective_target_vect_hw_misalign): Fix arm check. From-SVN: r253187
2017-09-26re PR demangler/82195 (Undemangleable lambda)Nathan Sidwell3-22/+56
PR demangler/82195 * cp-demangle.c (d_encoding): Strip return type when name is a LOCAL_NAME. (d_local_name): Strip return type of enclosing TYPED_NAME. * testsuite/demangle-expected: Add and adjust tests. From-SVN: r253186
2017-09-26Daily bump.GCC Administrator1-1/+1
From-SVN: r253185
2017-09-25rs6000-protos.h (output_probe_stack_range): Update prototype for new argument.Jeff Law6-42/+400
* config/rs6000/rs6000-protos.h (output_probe_stack_range): Update prototype for new argument. * config/rs6000/rs6000.c (rs6000_emit_allocate_stack_1): New function, mostly extracted from rs6000_emit_allocate_stack. (rs6000_emit_probe_stack_range_stack_clash): New function. (rs6000_emit_allocate_stack): Call rs6000_emit_probe_stack_range_stack_clash as needed. (rs6000_emit_probe_stack_range): Add additional argument to call to gen_probe_stack_range{si,di}. (output_probe_stack_range): New. (output_probe_stack_range_1): Renamed from output_probe_stack_range. (output_probe_stack_range_stack_clash): New. (rs6000_emit_prologue): Emit notes into dump file as requested. * rs6000.md (allocate_stack): Handle -fstack-clash-protection. (probe_stack_range<P:mode>): Operand 0 is now early-clobbered. Add additional operand and pass it to output_probe_stack_range. * lib/target-supports.exp (check_effective_target_supports_stack_clash_protection): Enable for rs6000 and powerpc targets. From-SVN: r253179
2017-09-25re PR tree-optimization/82163 (ICE on valid code at -O3 on x86_64-linux-gnu: ↵Bin Cheng5-40/+94
in check_loop_closed_ssa_use, at tree-ssa-loop-manip.c:707) PR tree-optimization/82163 * tree-ssa-loop-manip.h (verify_loop_closed_ssa): New parameter. (checking_verify_loop_closed_ssa): New parameter. * tree-ssa-loop-manip.c (check_loop_closed_ssa_use): Delete. (check_loop_closed_ssa_stmt): Delete. (check_loop_closed_ssa_def, check_loop_closed_ssa_bb): New functions. (verify_loop_closed_ssa): Check loop closed ssa form for LOOP. (tree_transform_and_unroll_loop): Check loop closed ssa form only for changed loops. gcc/testsuite * gcc.dg/tree-ssa/pr82163.c: New test. From-SVN: r253161
2017-09-25BRIGFE fixes:Pekka Jääskeläinen6-29/+36
* brig-builtins.def: Treat HSAIL barrier builtins as setjmp/longjump style functions. * brigfrontend/brig-to-generic.cc: Ensure per WI copies of private variables are aligned too. * rt/workitems.c: Assume the host runtime allocates the work group memory. From-SVN: r253160
2017-09-25lang.opt: Add -Wdo-subscript.Thomas Koenig7-16/+471
2017-09-25 Thomas Koenig <tkoenig@gcc.gnu.org> * lang.opt: Add -Wdo-subscript. * frontend-passes.c (do_t): New type. (doloop_list): Use variable of do_type. (if_level): Variable to track if levels. (select_level): Variable to track select levels. (gfc_run_passes): Initialize i_level and select_level. (doloop_code): Record current level of if + select level in doloop_list. Add seen_goto if there could be a branch outside the loop. Use different type for doloop_list. (doloop_function): Call do_intent and do_subscript; move functionality of checking INTENT to do_intent. (insert_index_t): New type, for callback_insert_index. (callback_insert_index): New function. (insert_index): New function. (do_subscript): New function. (do_intent): New function. (gfc_code_walker): Keep track of if_level and select_level. * invoke.texi: Document -Wdo-subscript. 2017-09-25 Thomas Koenig <tkoenig@gcc.gnu.org> * gfortran.dg/do_subscript_1.f90: New test. * gfortran.dg/do_subscript_2.f90: New test. * gfortran.dg/gomp/associate1.f90: Add out of bounds warning. * gfortran.dg/predcom-1.f: Adjust loop bounds. * gfortran.dg/unconstrained_commons.f: Add out of bounds warning. From-SVN: r253156
2017-09-25Turn CONSTANT_ALIGNMENT into a hookRichard Sandiford81-298/+470
The definition: #define CONSTANT_ALIGNMENT(EXP, ALIGN) \ (TREE_CODE (EXP) == STRING_CST \ && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN)) was very common, so the patch adds a canned definition for that, called constant_alignment_word_strings. Some ports had a variation that used a port-local FASTEST_ALIGNMENT instead of BITS_PER_WORD; the patch uses constant_alignment_word_strings if FASTEST_ALIGNMENT was always BITS_PER_WORD and a port-local hook function otherwise. 2017-09-25 Richard Sandiford <richard.sandiford@linaro.org> gcc/ * target.def (constant_alignment): New hook. * defaults.h (CONSTANT_ALIGNMENT): Delete. * doc/tm.texi.in (CONSTANT_ALIGNMENT): Replace with... (TARGET_CONSTANT_ALIGNMENT): ...this new hook. * doc/tm.texi: Regenerate. * targhooks.h (default_constant_alignment): Declare. (constant_alignment_word_strings): Likewise. * targhooks.c (default_constant_alignment): New function. (constant_alignment_word_strings): Likewise. * builtins.c (get_object_alignment_2): Use targetm.constant_alignment instead of CONSTANT_ALIGNMENT. * varasm.c (align_variable, get_variable_align, build_constant_desc) (force_const_mem): Likewise. * config/aarch64/aarch64.h (CONSTANT_ALIGNMENT): Delete. * config/aarch64/aarch64.c (aarch64_constant_alignment): New function. (aarch64_classify_address): Call it instead of CONSTANT_ALIGNMENT. (TARGET_CONSTANT_ALIGNMENT): Redefine. * config/alpha/alpha.h (CONSTANT_ALIGNMENT): Delete commented-out definition. * config/arc/arc.h (CONSTANT_ALIGNMENT): Delete. * config/arc/arc.c (TARGET_CONSTANT_ALIGNMENT): Redefine to constant_alignment_word_strings. * config/arm/arm.h (CONSTANT_ALIGNMENT_FACTOR): Delete. (CONSTANT_ALIGNMENT): Likewise. * config/arm/arm.c (TARGET_CONSTANT_ALIGNMENT): Redefine. (arm_constant_alignment): New function. * config/bfin/bfin.h (CONSTANT_ALIGNMENT): Delete. * config/bfin/bfin.c (TARGET_CONSTANT_ALIGNMENT): Redefine to constant_alignment_word_strings. * config/cr16/cr16.h (CONSTANT_ALIGNMENT): Delete. * config/cr16/cr16.c (TARGET_CONSTANT_ALIGNMENT): Redefine to constant_alignment_word_strings. * config/cris/cris.h (CONSTANT_ALIGNMENT): Delete. * config/cris/cris.c (TARGET_CONSTANT_ALIGNMENT): Redefine. (cris_constant_alignment): New function. * config/epiphany/epiphany.h (CONSTANT_ALIGNMENT): Delete. * config/epiphany/epiphany.c (TARGET_CONSTANT_ALIGNMENT): Redefine. (epiphany_constant_alignment): New function. * config/fr30/fr30.h (CONSTANT_ALIGNMENT): Delete. * config/fr30/fr30.c (TARGET_CONSTANT_ALIGNMENT): Redefine to constant_alignment_word_strings. * config/frv/frv.h (CONSTANT_ALIGNMENT): Delete. * config/frv/frv.c (TARGET_CONSTANT_ALIGNMENT): Redefine to constant_alignment_word_strings. * config/ft32/ft32.h (CONSTANT_ALIGNMENT): Delete. * config/ft32/ft32.c (TARGET_CONSTANT_ALIGNMENT): Redefine to constant_alignment_word_strings. * config/i386/i386.h (CONSTANT_ALIGNMENT): Delete. * config/i386/i386-protos.h (ix86_constant_alignment): Delete. * config/i386/i386.c (ix86_constant_alignment): Make static. Use the same interface as the target hook. (TARGET_CONSTANT_ALIGNMENT): Redefine. * config/ia64/ia64.h (CONSTANT_ALIGNMENT): Delete. * config/ia64/ia64.c (TARGET_CONSTANT_ALIGNMENT): Redefine to constant_alignment_word_strings. * config/iq2000/iq2000.h (CONSTANT_ALIGNMENT): Delete. * config/iq2000/iq2000.c (iq2000_constant_alignment): New function. (TARGET_CONSTANT_ALIGNMENT): Redefine. * config/lm32/lm32.h (CONSTANT_ALIGNMENT): Delete. * config/lm32/lm32.c (TARGET_CONSTANT_ALIGNMENT): Redefine to constant_alignment_word_strings. * config/m32r/m32r.h (CONSTANT_ALIGNMENT): Delete. * config/m32r/m32r.c (TARGET_CONSTANT_ALIGNMENT): Redefine to constant_alignment_word_strings. * config/mcore/mcore.h (CONSTANT_ALIGNMENT): Delete. * config/mcore/mcore.c (TARGET_CONSTANT_ALIGNMENT): Redefine to constant_alignment_word_strings. * config/microblaze/microblaze.h (CONSTANT_ALIGNMENT): Delete. * config/microblaze/microblaze.c (microblaze_constant_alignment): New function. (TARGET_CONSTANT_ALIGNMENT): Redefine. * config/mips/mips.h (CONSTANT_ALIGNMENT): Delete. * config/mips/mips.c (mips_constant_alignment): New function. (TARGET_CONSTANT_ALIGNMENT): Redefine. * config/mmix/mmix.h (CONSTANT_ALIGNMENT): Delete. * config/mmix/mmix-protos.h (mmix_constant_alignment): Delete. * config/mmix/mmix.c (TARGET_CONSTANT_ALIGNMENT): Redefine. (mmix_constant_alignment): Make static. Use the same interface as the target hook. * config/moxie/moxie.h (CONSTANT_ALIGNMENT): Delete. * config/moxie/moxie.c (TARGET_CONSTANT_ALIGNMENT): Redefine to constant_alignment_word_strings. * config/nios2/nios2.h (CONSTANT_ALIGNMENT): Delete. * config/nios2/nios2.c (TARGET_CONSTANT_ALIGNMENT): Redefine to constant_alignment_word_strings. * config/pa/pa.h (CONSTANT_ALIGNMENT): Delete. * config/pa/pa.c (TARGET_CONSTANT_ALIGNMENT): Redefine to constant_alignment_word_strings. * config/powerpcspe/powerpcspe.h (CONSTANT_ALIGNMENT): Delete. * config/powerpcspe/powerpcspe.c (TARGET_CONSTANT_ALIGNMENT): Redefine. (rs6000_constant_alignment): New function. * config/riscv/riscv.h (CONSTANT_ALIGNMENT): Delete. * config/riscv/riscv.c (riscv_constant_alignment): New function. (TARGET_CONSTANT_ALIGNMENT): Redefine. * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Delete. * config/rs6000/rs6000.c (TARGET_CONSTANT_ALIGNMENT): Redefine. (rs6000_constant_alignment): New function. * config/s390/s390.h (CONSTANT_ALIGNMENT): Delete. * config/s390/s390.c (s390_constant_alignment): New function. (TARGET_CONSTANT_ALIGNMENT): Redefine. * config/sh/sh.h (CONSTANT_ALIGNMENT): Delete. * config/sh/sh.c (TARGET_CONSTANT_ALIGNMENT): Redefine to constant_alignment_word_strings. * config/sparc/sparc.h (CONSTANT_ALIGNMENT): Delete. * config/sparc/sparc.c (TARGET_CONSTANT_ALIGNMENT): Redefine. (sparc_constant_alignment): New function. * config/spu/spu.h (CONSTANT_ALIGNMENT): Delete. * config/spu/spu.c (spu_constant_alignment): New function. (TARGET_CONSTANT_ALIGNMENT): Redefine. * config/stormy16/stormy16.h (CONSTANT_ALIGNMENT): Delete. * config/stormy16/stormy16.c (TARGET_CONSTANT_ALIGNMENT): Redefine to constant_alignment_word_strings. * config/tilegx/tilegx.h (CONSTANT_ALIGNMENT): Delete. * config/tilegx/tilegx.c (TARGET_CONSTANT_ALIGNMENT): Redefine to constant_alignment_word_strings. * config/tilepro/tilepro.h (CONSTANT_ALIGNMENT): Delete. * config/tilepro/tilepro.c (TARGET_CONSTANT_ALIGNMENT): Redefine to constant_alignment_word_strings. * config/visium/visium.h (CONSTANT_ALIGNMENT): Delete. * config/visium/visium.c (TARGET_CONSTANT_ALIGNMENT): Redefine. (visium_constant_alignment): New function. * config/xtensa/xtensa.h (CONSTANT_ALIGNMENT): Delete. * config/xtensa/xtensa.c (TARGET_CONSTANT_ALIGNMENT): Redefine. (xtensa_constant_alignment): New function. * system.h (CONSTANT_ALIGNMENT): Poison. From-SVN: r253154
2017-09-25re PR c/81854 (weak alias of an incompatible symbol accepted)Uros Bizjak2-1/+7
PR c/81854 * src/c++98/complex_io.cc (_GLIBCXX_LDBL_COMPAT): Declare alias target as a C++ function with no prototype. From-SVN: r253153
2017-09-25rs6000.c (rs6000_gimple_fold_builtin): Add handling for early folding of ↵Will Schmidt3-75/+78
vector stores (ALTIVEC_BUILTIN_ST_*). [gcc] 2017-09-25 Will Schmidt <will_schmidt@vnet.ibm.com> * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for early folding of vector stores (ALTIVEC_BUILTIN_ST_*). (rs6000_builtin_valid_without_lhs): New helper function. * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Remove obsoleted code for handling ALTIVEC_BUILTIN_VEC_ST. From-SVN: r253152
2017-09-25fold-vec-st-char.c: New.Will Schmidt8-0/+390
[gcc/testsuite] 2017-09-25 Will Schmidt <will_schmidt@vnet.ibm.com> * gcc.target/powerpc/fold-vec-st-char.c: New. * gcc.target/powerpc/fold-vec-st-double.c: New. * gcc.target/powerpc/fold-vec-st-float.c: New. * gcc.target/powerpc/fold-vec-st-int.c: New. * gcc.target/powerpc/fold-vec-st-longlong.c: New. * gcc.target/powerpc/fold-vec-st-pixel.c: New. * gcc.target/powerpc/fold-vec-st-short.c: New. From-SVN: r253151
2017-09-25Change permute index type to unsigned shortRichard Sandiford4-4/+13
This patch changes the element type of (auto_)vec_perm_indices from unsigned char to unsigned short. This is needed for fixed-length 2048-bit SVE. (SVE is variable-length by default, but it's possible to ask for specific vector lengths if you want to.) 2017-09-25 Richard Sandiford <richard.sandiford@linaro.org> gcc/ * target.h (vec_perm_indices): Use unsigned short rather than unsigned char. (auto_vec_perm_indices): Likewise. * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const_ok): Use unsigned int rather than unsigned char. * config/arm/arm.c (arm_vectorize_vec_perm_const_ok): Likewise. From-SVN: r253150
2017-09-25cfgloop.h (sort_sibling_loops): Declare.Richard Biener4-0/+62
2017-09-25 Richard Biener <rguenther@suse.de> * cfgloop.h (sort_sibling_loops): Declare. * cfgloop.c (sort_sibling_loops_cmp): New helper. (sort_sibling_loops): New function sorting the sibling loop list in RPO order. * graphite.c (graphite_transform_loops): Sort sibling loops. From-SVN: r253149
2017-09-25Update interface to TARGET_VECTORIZE_VEC_PERM_CONST_OKRichard Sandiford11-63/+83
This patch makes TARGET_VECTORIZE_VEC_PERM_CONST_OK take the permute vector in the form of a vec_perm_indices instead of an unsigned char *. It follows on from the recent patch that did the same in target-independent code. It was easy to make ARM and AArch64 use vec_perm_indices internally as well, and converting AArch64 helps with SVE. I did try doing the same for the other ports, but the surgery needed was much more invasive and much less obviously correct. 2017-09-22 Richard Sandiford <richard.sandifird@linaro.org> gcc/ * target.def (vec_perm_const_ok): Change sel parameter to vec_perm_indices. * optabs-query.c (can_vec_perm_p): Update accordingly. * doc/tm.texi: Regenerate. * config/aarch64/aarch64.c (expand_vec_perm_d): Change perm to auto_vec_perm_indices and remove separate nelt field. (aarch64_evpc_trn, aarch64_evpc_uzp, aarch64_evpc_zip) (aarch64_evpc_ext, aarch64_evpc_rev, aarch64_evpc_dup) (aarch64_evpc_tbl, aarch64_expand_vec_perm_const_1) (aarch64_expand_vec_perm_const): Update accordingly. (aarch64_vectorize_vec_perm_const_ok): Likewise. Change sel to vec_perm_indices. * config/arm/arm.c (expand_vec_perm_d): Change perm to auto_vec_perm_indices and remove separate nelt field. (arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev) (arm_evpc_neon_vtrn, arm_evpc_neon_vext, arm_evpc_neon_vtbl) (arm_expand_vec_perm_const_1, arm_expand_vec_perm_const): Update accordingly. (arm_vectorize_vec_perm_const_ok): Likewise. Change sel to vec_perm_indices. * config/i386/i386.c (ix86_vectorize_vec_perm_const_ok): Change sel to vec_perm_indices. * config/ia64/ia64.c (ia64_vectorize_vec_perm_const_ok): Likewise. * config/mips/mips.c (mips_vectorize_vec_perm_const_ok): Likewise. * config/powerpcspe/powerpcspe.c (rs6000_vectorize_vec_perm_const_ok): Likewise. * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const_ok): Likewise. From-SVN: r253148
2017-09-25[PR82155] Fix crash in dwarf2out_abstract_functionPierre-Marie de Rodat4-2/+55
This patch is an attempt to fix the crash reported in PR82155. When generating a C++ class method for a class that is itself nested in a class method, dwarf2out_early_global_decl currently leaves the existing context DIE as it is if it already exists. However, it is possible that this call happens at a point where this context DIE is just a declaration that is itself not located in its own context. From there, if dwarf2out_early_global_decl is not called on any of the FUNCTION_DECL in the context chain, DIEs will be left badly scoped and some (such as the nested method) will be removed by the type pruning machinery. As a consequence, dwarf2out_abstract_function will will crash when called on the corresponding DECL because it asserts that the DECL has a DIE. This patch fixes this crash making dwarf2out_early_global_decl process context DIEs the same way we process abstract origins for FUNCTION_DECL: if the corresponding DIE exists but is only a declaration, call dwarf2out_decl anyway on it so that it is turned into a more complete DIE and so that it is relocated in the proper context. Bootstrapped and regtested on x86_64-linux. gcc/ PR debug/82155 * dwarf2out.c (dwarf2out_early_global_decl): Call dwarf2out_decl on the FUNCTION_DECL function context if it has a DIE that is a declaration. gcc/testsuite/ * g++.dg/pr82155.C: New testcase. From-SVN: r253147
2017-09-25re PR tree-optimization/82285 (Optimizing error when using enumeration)Richard Biener4-1/+28
2017-09-25 Richard Biener <rguenther@suse.de> PR tree-optimization/82285 * tree-vect-patterns.c (vect_recog_bool_pattern): Also handle enumeral types. * gcc.dg/torture/pr82285.c: New testcase. From-SVN: r253146
2017-09-25[nvptx] Add exit after call to noreturn functionTom de Vries2-5/+15
2017-09-25 Tom de Vries <tom@codesourcery.com> PR target/80035 PR target/81069 * config/nvptx/nvptx.c (nvptx_output_call_insn): Add exit after call to noreturn function. From-SVN: r253145
2017-09-25[multiple changes]Pierre-Marie de Rodat73-903/+1660
2017-09-25 Justin Squirek <squirek@adacore.com> * aspects.adb, bindgen.adb, clean.adb, erroutc.adb, exp_ch13.adb, exp_dbug.adb, exp_unst.adb, exp_util.adb, frontend.adb, gnat1drv.adb, gnatdll.adb, gnatlink.adb, gnatls.adb, gnatname.adb, gnatxref.adb, gnatfind.adb, libgnat/a-cfhama.ads, libgnat/a-exetim__mingw.adb, libgnat/a-strmap.adb, libgnat/a-teioed.adb, libgnat/g-alvety.ads, libgnat/g-expect.adb, libgnat/g-regist.adb, libgnat/g-socket.adb, libgnat/g-socthi__mingw.ads, libgnat/s-stausa.adb, libgnat/s-tsmona__linux.adb, libgnat/s-tsmona__mingw.adb, libgnarl/s-taenca.adb, libgnarl/s-tassta.adb, libgnarl/s-tarest.adb, libgnarl/s-tpobop.adb, make.adb, makeusg.adb, namet.adb, output.ads, put_scos.adb, repinfo.adb, rtsfind.adb, scn.ads, sem_attr.adb, sem_aux.ads, sem_warn.ads, targparm.adb, xr_tabls.adb, xref_lib.adb: Removal of ineffective use-clauses. * exp_ch9.adb (Is_Simple_Barrier_Name): Check for false positives with constant folded barriers. * ghost.adb, sprint.adb, sem_ch10.adb, sem_warn.adb: Change access to Subtype_Marks and Names list in use-clause nodes to their new singular counterparts (e.g. Subtype_Mark, Name). * par.adb, par-ch8.adb (Append_Use_Clause): Created to set Prev_Ids and More_Ids in use-clause nodes. (P_Use_Clause): Modify to take a list as a parameter. (P_Use_Package_Clause, P_Use_Type_Clause): Divide names and subtype_marks within an aggregate use-clauses into individual clauses. * par-ch3.adb, par-ch10.adb, par-ch12.adb: Trivally modify call to P_Use_Clause to match its new behavior. * sem.adb (Analyze): Mark use clauses for non-overloaded entities. * sem_ch4.adb (Try_One_Interp): Add sanity check to handle previous errors. * sem_ch6.adb (Analyze_Generic_Subprogram_Body, Analyze_Subprogram_Body_Helper): Update use clause chain at the end of the declarative region. * sem_ch7.adb (Analyze_Package_Body_Helper): Update use clause chain after analysis (Analyze_Package_Specification): Update use clause chain when there is no body. * sem_ch8.ads, sem_ch8.adb (Analyze_Use_Package, Analyze_Use_Type): Add parameter to determine weither the installation of scopes should also propagate on the use-clause "chain". (Mark_Use_Clauses): Created to traverse use-clause chains and determine what constitutes a valid "use" of a clause. (Update_Use_Clause_Chain): Created to aggregate common machinary used to clean up use-clause chains (and warn on ineffectiveness) at the end of declaritive regions. * sem_ch8.adb (Analyze_Package_Name): Created to perform analysis on a package name from a use-package clause. (Analyze_Package_Name_List): Created to perform analysis on a list of package names (similar to Analyze_Package_Name). (Find_Most_Prev): Created to traverse to the beginning of a given use-clause chain. (Most_Decendant_Use_Clause): Create to identify which clause from a given set is highest in scope (not always the most prev). (Use_One_Package, Use_One_Type): Major cleanup and reorganization to handle the new chaining algorithm, also many changes related to redundant clauses. A new parameter has also been added to force installation to handle certain cases. * sem_ch9.adb (Analyze_Entry_Body, Analyze_Protected_Body, Analyze_Task_Body): Mark use clauses on relevant entities. * sem_ch10.adb, sem_ch10.ads (Install_Context_Clauses, Install_Parents): Add parameter to determine weither the installation of scopes should also propagate on the use-clause "chain". * sem_ch12.adb (Inline_Instance_Body): Add flag in call to Install_Context to avoid redundant chaining of use-clauses. * sem_ch13.adb: Minor reformatting. * sem_res.adb (Resolve): Mark use clauses on operators. (Resolve_Call, Resolve_Entity_Name): Mark use clauses on relevant entities. * sinfo.adb, sinfo.ads (Is_Effective_Use_Clause, Set_Is_Effective_Use_Clause): Add new flag to N_Use_Clause nodes to represent any given clause's usage/reference/necessity. (Prev_Use_Clause, Set_Prev_Use_Clause): Add new field to N_Use_Clause nodes to allow loose chaining of redundant clauses. (Set_Used_Operations, Set_Subtype_Mark, Set_Prev_Ids, Set_Names, Set_More_Ids, Set_Name): Modify set procedure calls to reflect reorganization in node fields. * types.ads (Source_File_Index): Adjust index bounds. (No_Access_To_Source_File): New constant. 2017-09-25 Ed Schonberg <schonberg@adacore.com> * sem_ch13.adb (Analyze_One_Aspect): In ASIS mode make a full copy of the expression to be used in the generated attribute specification (rather than relocating it) to avoid resolving a potentially malformed tree when the expression is resolved through an ASIS-specific call to Resolve_Aspect_Expressions. This manifests itself as a crash on a function with parameter associations. From-SVN: r253144
2017-09-25[multiple changes]Pierre-Marie de Rodat14-23/+117
2017-09-25 Yannick Moy <moy@adacore.com> * exp_spark.adb (Expand_SPARK_Indexed_Component, Expand_SPARK_Selected_Component): New procedures to insert explicit dereference if required. (Expand_SPARK): Call the new procedures. 2017-09-25 Patrick Bernardi <bernardi@adacore.com> * libgnat/a-stwiun.adb, libgnat/s-stchop__vxworks.adb, libgnat/g-socthi__vxworks.ads, libgnat/a-stzunb.adb, libgnat/a-strunb.adb, libgnarl/s-osinte__lynxos178.adb, libgnarl/s-intman__vxworks.adb, libgnarl/s-osinte__darwin.adb, libgnarl/a-exetim__darwin.adb: Removed ineffective use-clauses. 2017-09-25 Vasiliy Fofanov <fofanov@adacore.com> * adaint.c (win32_wait): Properly handle error and take into account the WIN32 limitation on the number of simultaneous wait objects. 2017-09-25 Yannick Moy <moy@adacore.com> * sem_ch3.adb (Constant_Redeclaration): Do not insert a call to the invariant procedure in GNATprove mode. * sem_ch5.adb (Analyze_Assignment): Likewise. From-SVN: r253143
2017-09-25graphite-optimize-isl.c (optimize_isl): Fail and dump if ISL errors other ↵Richard Biener3-12/+37
than isl_error_quota happen. 2017-09-25 Richard Biener <rguenther@suse.de> * graphite-optimize-isl.c (optimize_isl): Fail and dump if ISL errors other than isl_error_quota happen. Dump if the schedule is the same. * graphite-sese-to-poly.c (build_poly_scop): Fail on ISL errors instead of aborting inside ISL. From-SVN: r253142
2017-09-25[multiple changes]Pierre-Marie de Rodat3-6/+33
2017-09-25 Piotr Trojanek <trojanek@adacore.com> * adabkend.adb (Call_Back_End): Fix wording of "front-end" and "back-end" in comments. 2017-09-25 Ed Schonberg <schonberg@adacore.com> * exp_ch6.adb (Expand_Call_Helper): The extra accessibility check in a call that appears in a classwide precondition and that mentions an access formal of the subprogram, must use the accessibility level of the actual in the call. This is one case in which a reference to a formal parameter appears outside of the body of the subprogram. From-SVN: r253141
2017-09-25[multiple changes]Pierre-Marie de Rodat13-95/+275
2017-09-25 Hristian Kirtchev <kirtchev@adacore.com> * sem_res.adb (Replace_Actual_Discriminants): Replace a discriminant for GNATprove. (Resolve_Entry): Clean up predicate 2017-09-25 Hristian Kirtchev <kirtchev@adacore.com> * sem_prag.adb (Analyze_Constituent): Raise Unrecoverable_Error rather than Program_Error because U_E is more in line with respect to the intended behavior. 2017-09-25 Ed Schonberg <schonberg@adacore.com> * sem_ch13.adb (Resolve_Aspect_Expressions): The expression for aspect Storage_Size does not freeze, and thus can include references to deferred constants. 2017-09-25 Hristian Kirtchev <kirtchev@adacore.com> * exp_spark.adb (Expand_SPARK_Potential_Renaming): Do not process a reference when it appears within a pragma of no significance to SPARK. (In_Insignificant_Pragma): New routine. * sem_prag.ads: Add new table Pragma_Significant_In_SPARK. 2017-09-25 Ed Schonberg <schonberg@adacore.com> * sem_ch12.adb (Analyze_Associations, case N_Formal_Package): If the actual is a renaming, indicate that it is the renamed package that must be frozen before the instantiation. 2017-09-25 Yannick Moy <moy@adacore.com> * doc/gnat_ugn/gnat_and_program_execution.rst: Fix typo in description of dimensionality system in GNAT UG. * gnat_ugn.texi: Regenerate. 2017-09-25 Yannick Moy <moy@adacore.com> * gnat1drv.adb: Call Check_Safe_Pointers from the frontend in GNATprove_Mode when switch -gnatdF used. 2017-09-25 Piotr Trojanek <trojanek@adacore.com> * adabkend.adb (Call_Back_End): Reset Current_Error_Node when starting the backend. From-SVN: r253140
2017-09-25exp_imgv.adb (Expand_Image_Attribute): Disable the optimized expansion of ↵Pierre-Marie de Rodat7-29/+98
user-defined enumeration types when... gcc/ada/ 2017-09-25 Javier Miranda <miranda@adacore.com> * exp_imgv.adb (Expand_Image_Attribute): Disable the optimized expansion of user-defined enumeration types when the generation of names for enumeration literals is suppressed. 2017-09-25 Gary Dismukes <dismukes@adacore.com> * libgnarl/s-taprop__linux.adb: Minor reformatting. 2017-09-25 Ed Schonberg <schonberg@adacore.com> * sem_ch13.adb (Resolve_Aspect_Expressions): Do not resolve identifiers that appear as selector names of parameter associations, as these are never resolved by visibility. 2017-09-25 Justin Squirek <squirek@adacore.com> * sem_res.adb (Resolve_Entry): Generate reference for index entities. gcc/testsuite/ 2017-09-25 Justin Squirek <squirek@adacore.com> * gnat.dg/entry_family.adb: New testcase From-SVN: r253139
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