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This patch adds some documentation to rtl.texi about the SSA form.
It only really describes the high-level structure -- I think for
API-level stuff it's better to rely on function comments instead.
gcc/
* doc/rtl.texi (RTL SSA): New node.
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The use of a constant double zero is required for post-reload compare
elimination to be able to discard redundant floating-point comparisons,
for example with a VAX RTL instruction stream like:
(insn 34 4 3 2 (parallel [
(set (reg/v:DF 0 %r0 [orig:24 x ] [24])
(mem/c:DF (plus:SI (reg/f:SI 12 %ap)
(const_int 4 [0x4])) [1 x+0 S8 A32]))
(clobber (reg:CC 16 %psl))
]) ".../gcc/testsuite/gcc.target/vax/cmpelim-eq-movdf.c":9:1 37 {*movdf}
(nil))
(note 3 34 35 2 NOTE_INSN_FUNCTION_BEG)
(insn 35 3 36 2 (set (reg:CCZ 16 %psl)
(compare:CCZ (reg/v:DF 0 %r0 [orig:24 x ] [24])
(const_double:DF 0.0 [0x0.0p+0]))) ".../gcc/testsuite/gcc.target/vax/cmpelim-eq-movdf.c":10:6 21 {*cmpdf_ccz}
(nil))
(jump_insn 36 35 9 2 (set (pc)
(if_then_else (eq (reg:CCZ 16 %psl)
(const_int 0 [0]))
(label_ref 11)
(pc))) ".../gcc/testsuite/gcc.target/vax/cmpelim-eq-movdf.c":10:6 537 {*branch_ccz}
(int_list:REG_BR_PROB 536870916 (nil))
-> 11)
that we want to transform into:
(insn 34 4 3 2 (parallel [
(set (reg:CCZ 16 %psl)
(compare:CCZ (mem/c:DF (plus:SI (reg/f:SI 12 %ap)
(const_int 4 [0x4])) [1 x+0 S8 A32])
(const_double:DF 0.0 [0x0.0p+0])))
(set (reg/v:DF 0 %r0 [orig:24 x ] [24])
(mem/c:DF (plus:SI (reg/f:SI 12 %ap)
(const_int 4 [0x4])) [1 x+0 S8 A32]))
]) ".../gcc/testsuite/gcc.target/vax/cmpelim-eq-movdf.c":9:1 40 {*movdf_ccz}
(nil))
(note 3 34 36 2 NOTE_INSN_FUNCTION_BEG)
(jump_insn 36 3 9 2 (set (pc)
(if_then_else (eq (reg:CCZ 16 %psl)
(const_int 0 [0]))
(label_ref 11)
(pc))) ".../gcc/testsuite/gcc.target/vax/cmpelim-eq-movdf.c":10:6 537 {*branch_ccz}
(int_list:REG_BR_PROB 536870916 (nil))
-> 11)
with the upcoming MODE_CC representation.
For this we need to express the `const_double:DF 0.0 [0x0.0p+0]' rtx as
recorded above in the relevant pattern(s) in machine description. The
way we represent double constants, as a host-dependent number of wide
integers, however means that we currently have no portable way to encode
a double zero constant in machine description.
Define a syntactic rtx alias then to represent `(const_double 0 0 ...)'
as if the suitable number of zeros have been supplied according to the
host-specific definition of CONST_DOUBLE_FORMAT.
gcc/
* read-rtl.c (rtx_reader::read_rtx_code): Handle syntactic
`const_double_zero' rtx.
* doc/rtl.texi (Constant Expression Types): Document it.
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After discussion with Richard Sandiford on IRC, he suggested adding a
new mode class MODE_OPAQUE to deal with the problems (PR 96791) we had
been having with POImode/PXImode in powerpc target. This patch is the
accumulation of changes I needed to make to add this and make it useable
for the purposes of what power10 MMA needed.
MODE_OPAQUE modes allow you to have modes for which you can just
define loads and stores. By design, optimization does not expect to
know how to do arithmetic or subregs on these modes. This allows us to
have modes for multi-register vector operations where we don't want to
open Pandora's Box and define general arithmetic operations.
This patch will be followed by a target specific patch to change the
powerpc power10 MMA builtins to use opaque modes, and will also let use
use the vector pair loads/stores defined with that in the inline expansion
of memcpy/memmove, allowing me to fix PR 96791.
gcc/ChangeLog
PR target/96791
* mode-classes.def: Add MODE_OPAQUE.
* machmode.def: Add OPAQUE_MODE.
* tree.def: Add OPAQUE_TYPE for types that will use
MODE_OPAQUE.
* doc/generic.texi: Document OPAQUE_TYPE.
* doc/rtl.texi: Document MODE_OPAQUE.
* machmode.h: Add OPAQUE_MODE_P().
* genmodes.c (complete_mode): Add MODE_OPAQUE.
(opaque_mode): New function.
* tree.c (tree_code_size): Add OPAQUE_TYPE.
* tree.h: Add OPAQUE_TYPE_P().
* stor-layout.c (int_mode_for_mode): Treat MODE_OPAQUE modes
like BLKmode.
* ira.c (find_moveable_pseudos): Treat MODE_OPAQUE modes more
like integer/float modes here.
* dbxout.c (dbxout_type): Treat OPAQUE_TYPE like VOID_TYPE.
* tree-pretty-print.c (dump_generic_node): Treat OPAQUE_TYPE
like like other types.
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In d8487c949ad5, MODE_PARTIAL_INT modes were changed from having an
unknown number of undefined bits, to having a known number of undefined
bits, however the documentation on using SUBREG expressions with
MODE_PARTIAL_INT modes was not updated to reflect this.
gcc/ChangeLog:
* 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.
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gcc/
* doc/rtl.texi: Fix typo.
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From-SVN: r279813
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The AArch64 SVE tlsdesc patterns were the main motivating reason
for clobber_high. It's no longer needed now that the patterns use
calls instead.
At the time, one of the possible future uses for clobber_high was for
asm statements. However, the current code wouldn't handle that case
without modification, so I think we might as well remove it for now.
We can always reapply it in future if it turns out to be useful again.
2019-10-01 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* rtl.def (CLOBBER_HIGH): Delete.
* doc/rtl.texi (clobber_high): Remove documentation.
* rtl.h (SET_DEST): Remove CLOBBER_HIGH from the list of codes.
(reg_is_clobbered_by_clobber_high): Delete.
(gen_hard_reg_clobber_high): Likewise.
* alias.c (record_set): Remove CLOBBER_HIGH handling.
* cfgexpand.c (expand_gimple_stmt): Likewise.
* combine-stack-adj.c (single_set_for_csa): Likewise.
* combine.c (find_single_use_1, set_nonzero_bits_and_sign_copies)
(can_combine_p, is_parallel_of_n_reg_sets, try_combine)
(record_dead_and_set_regs_1, reg_dead_at_p_1): Likewise.
* cse.c (invalidate_reg): Remove clobber_high parameter.
(invalidate): Update call accordingly.
(canonicalize_insn): Remove CLOBBER_HIGH handling.
(invalidate_from_clobbers, invalidate_from_sets_and_clobbers)
(count_reg_usage, insn_live_p): Likewise.
* cselib.h (cselib_invalidate_rtx): Remove sett argument.
* cselib.c (cselib_invalidate_regno, cselib_invalidate_rtx): Likewise.
(cselib_invalidate_rtx_note_stores): Update call accordingly.
(cselib_expand_value_rtx_1): Remove CLOBBER_HIGH handling.
(cselib_invalidate_regno, cselib_process_insn): Likewise.
* dce.c (deletable_insn_p, mark_nonreg_stores_1): Likewise.
(mark_nonreg_stores_2): Likewise.
* df-scan.c (df_find_hard_reg_defs, df_uses_record): Likewise.
(df_get_call_refs): Likewise.
* dwarf2out.c (mem_loc_descriptor): Likewise.
* emit-rtl.c (verify_rtx_sharing): Likewise.
(copy_insn_1, copy_rtx_if_shared_1): Likewise.
(hard_reg_clobbers_high, gen_hard_reg_clobber_high): Delete.
* genconfig.c (walk_insn_part): Remove CLOBBER_HIGH handling.
* genemit.c (gen_exp, gen_insn): Likewise.
* genrecog.c (validate_pattern, remove_clobbers): Likewise.
* haifa-sched.c (haifa_classify_rtx): Likewise.
* ira-build.c (create_insn_allocnos): Likewise.
* ira-costs.c (scan_one_insn): Likewise.
* ira.c (equiv_init_movable_p, memref_referenced_p): Likewise.
(rtx_moveable_p, interesting_dest_for_shprep): Likewise.
* jump.c (mark_jump_label_1): Likewise.
* lra-int.h (lra_insn_reg::clobber_high): Delete.
* lra-eliminations.c (lra_eliminate_regs_1): Remove CLOBBER_HIGH
handling.
(mark_not_eliminable): Likewise.
* lra-lives.c (process_bb_lives): Likewise.
* lra.c (new_insn_reg): Remove clobber_high parameter.
(collect_non_operand_hard_regs): Likewise. Update call to new
insn_reg. Remove CLOBBER_HIGH handling.
(lra_set_insn_recog_data): Remove CLOBBER_HIGH handling. Update call
to collect_non_operand_hard_regs.
(add_regs_to_insn_regno_info): Remove CLOBBER_HIGH handling.
Update call to new_insn_reg.
(lra_update_insn_regno_info): Remove CLOBBER_HIGH handling.
* postreload.c (reload_cse_simplify, reload_combine_note_use)
(move2add_note_store): Likewise.
* print-rtl.c (print_pattern): Likewise.
* recog.c (store_data_bypass_p_1, store_data_bypass_p): Likewise.
(if_test_bypass_p): Likewise.
* regcprop.c (kill_clobbered_value, kill_set_value): Likewise.
* reginfo.c (reg_scan_mark_refs): Likewise.
* reload1.c (maybe_fix_stack_asms, eliminate_regs_1): Likewise.
(elimination_effects, mark_not_eliminable, scan_paradoxical_subregs)
(forget_old_reloads_1): Likewise.
* reorg.c (find_end_label, try_merge_delay_insns, redundant_insn)
(own_thread_p, fill_simple_delay_slots, fill_slots_from_thread)
(dbr_schedule): Likewise.
* resource.c (update_live_status, mark_referenced_resources)
(mark_set_resources): Likewise.
* rtl.c (copy_rtx): Likewise.
* rtlanal.c (reg_referenced_p, set_of_1, single_set_2, noop_move_p)
(note_pattern_stores): Likewise.
(reg_is_clobbered_by_clobber_high): Delete.
* sched-deps.c (sched_analyze_reg, sched_analyze_insn): Remove
CLOBBER_HIGH handling.
From-SVN: r276393
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2019-06-27 Aaron Sawdey <acsawdey@linux.ibm.com>
* builtins.c (get_memory_rtx): Fix comment.
* optabs.def (movmem_optab): Change to cpymem_optab.
* expr.c (emit_block_move_via_cpymem): Change movmem to cpymem.
(emit_block_move_hints): Change movmem to cpymem.
* defaults.h: Change movmem to cpymem.
* targhooks.c (get_move_ratio): Change movmem to cpymem.
(default_use_by_pieces_infrastructure_p): Ditto.
* config/aarch64/aarch64-protos.h: Change movmem to cpymem.
* config/aarch64/aarch64.c (aarch64_expand_movmem): Change movmem
to cpymem.
* config/aarch64/aarch64.h: Change movmem to cpymem.
* config/aarch64/aarch64.md (movmemdi): Change name to cpymemdi.
* config/alpha/alpha.h: Change movmem to cpymem in comment.
* config/alpha/alpha.md (movmemqi, movmemdi, *movmemdi_1): Change
movmem to cpymem.
* config/arc/arc-protos.h: Change movmem to cpymem.
* config/arc/arc.c (arc_expand_movmem): Change movmem to cpymem.
* config/arc/arc.h: Change movmem to cpymem in comment.
* config/arc/arc.md (movmemsi): Change movmem to cpymem.
* config/arm/arm-protos.h: Change movmem to cpymem in names.
* config/arm/arm.c (arm_movmemqi_unaligned, arm_gen_movmemqi,
gen_movmem_ldrd_strd, thumb_expand_movmemqi) Change movmem to cpymem.
* config/arm/arm.md (movmemqi): Change movmem to cpymem.
* config/arm/thumb1.md (movmem12b, movmem8b): Change movmem to cpymem.
* config/avr/avr-protos.h: Change movmem to cpymem.
* config/avr/avr.c (avr_adjust_insn_length, avr_emit_movmemhi,
avr_out_movmem): Change movmem to cpymem.
* config/avr/avr.md (movmemhi, movmem_<mode>, movmemx_<mode>):
Change movmem to cpymem.
* config/bfin/bfin-protos.h: Change movmem to cpymem.
* config/bfin/bfin.c (single_move_for_movmem, bfin_expand_movmem):
Change movmem to cpymem.
* config/bfin/bfin.h: Change movmem to cpymem in comment.
* config/bfin/bfin.md (movmemsi): Change name to cpymemsi.
* config/c6x/c6x-protos.h: Change movmem to cpymem.
* config/c6x/c6x.c (c6x_expand_movmem): Change movmem to cpymem.
* config/c6x/c6x.md (movmemsi): Change name to cpymemsi.
* config/frv/frv.md (movmemsi): Change name to cpymemsi.
* config/ft32/ft32.md (movmemsi): Change name to cpymemsi.
* config/h8300/h8300.md (movmemsi): Change name to cpymemsi.
* config/i386/i386-expand.c (expand_set_or_movmem_via_loop,
expand_set_or_movmem_via_rep, expand_movmem_epilogue,
expand_setmem_epilogue_via_loop, expand_set_or_cpymem_prologue,
expand_small_cpymem_or_setmem,
expand_set_or_cpymem_prologue_epilogue_by_misaligned_moves,
expand_set_or_cpymem_constant_prologue,
ix86_expand_set_or_cpymem): Change movmem to cpymem.
* config/i386/i386-protos.h: Change movmem to cpymem.
* config/i386/i386.h: Change movmem to cpymem in comment.
* config/i386/i386.md (movmem<mode>): Change name to cpymem.
(setmem<mode>): Change expansion function name.
* config/lm32/lm32.md (movmemsi): Change name to cpymemsi.
* config/m32c/blkmov.md (movmemhi, movmemhi_bhi_op, movmemhi_bpsi_op,
movmemhi_whi_op, movmemhi_wpsi_op): Change movmem to cpymem.
* config/m32c/m32c-protos.h: Change movmem to cpymem.
* config/m32c/m32c.c (m32c_expand_movmemhi): Change movmem to cpymem.
* config/m32r/m32r.c (m32r_expand_block_move): Change movmem to cpymem.
* config/m32r/m32r.md (movmemsi, movmemsi_internal): Change movmem
to cpymem.
* config/mcore/mcore.md (movmemsi): Change name to cpymemsi.
* config/microblaze/microblaze.c: Change movmem to cpymem in comment.
* config/microblaze/microblaze.md (movmemsi): Change name to cpymemsi.
* config/mips/mips.c (mips_use_by_pieces_infrastructure_p):
Change movmem to cpymem.
* config/mips/mips.h: Change movmem to cpymem.
* config/mips/mips.md (movmemsi): Change name to cpymemsi.
* config/nds32/nds32-memory-manipulation.c
(nds32_expand_movmemsi_loop_unknown_size,
nds32_expand_movmemsi_loop_known_size, nds32_expand_movmemsi_loop,
nds32_expand_movmemsi_unroll,
nds32_expand_movmemsi): Change movmem to cpymem.
* config/nds32/nds32-multiple.md (movmemsi): Change name to cpymemsi.
* config/nds32/nds32-protos.h: Change movmem to cpymem.
* config/pa/pa.c (compute_movmem_length): Change movmem to cpymem.
(pa_adjust_insn_length): Change call to compute_movmem_length.
* config/pa/pa.md (movmemsi, movmemsi_prereload, movmemsi_postreload,
movmemdi, movmemdi_prereload,
movmemdi_postreload): Change movmem to cpymem.
* config/pdp11/pdp11.md (movmemhi, movmemhi1,
movmemhi_nocc, UNSPEC_MOVMEM): Change movmem to cpymem.
* config/riscv/riscv.c: Change movmem to cpymem in comment.
* config/riscv/riscv.h: Change movmem to cpymem.
* config/riscv/riscv.md: (movmemsi) Change name to cpymemsi.
* config/rs6000/rs6000.md: (movmemsi) Change name to cpymemsi.
* config/rx/rx.md: (UNSPEC_MOVMEM, movmemsi, rx_movmem): Change
movmem to cpymem.
* config/s390/s390-protos.h: Change movmem to cpymem.
* config/s390/s390.c (s390_expand_movmem, s390_expand_setmem,
s390_expand_insv): Change movmem to cpymem.
* config/s390/s390.md (movmem<mode>, movmem_short, *movmem_short,
movmem_long, *movmem_long, *movmem_long_31z): Change movmem to cpymem.
* config/sh/sh.md (movmemsi): Change name to cpymemsi.
* config/sparc/sparc.h: Change movmem to cpymem in comment.
* config/vax/vax-protos.h (vax_output_movmemsi): Remove prototype
for nonexistent function.
* config/vax/vax.h: Change movmem to cpymem in comment.
* config/vax/vax.md (movmemhi, movmemhi1): Change movmem to cpymem.
* config/visium/visium.h: Change movmem to cpymem in comment.
* config/visium/visium.md (movmemsi): Change name to cpymemsi.
* config/xtensa/xtensa.md (movmemsi): Change name to cpymemsi.
* doc/md.texi: Change movmem to cpymem and update description to match.
* doc/rtl.texi: Change movmem to cpymem.
* target.def (use_by_pieces_infrastructure_p): Change movmem to cpymem.
* doc/tm.texi: Regenerate.
From-SVN: r272755
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2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
PR other/16615 [1/5]
contrib/
* mklog: Mechanically replace "can not" with "cannot".
gcc/
* Makefile.in: Mechanically replace "can not" with "cannot".
* alias.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine-stack-adj.c: Likewise.
* combine.c: Likewise.
* common/config/i386/i386-common.c: Likewise.
* config/aarch64/aarch64.c: Likewise.
* config/alpha/sync.md: Likewise.
* config/arc/arc.c: Likewise.
* config/arc/predicates.md: Likewise.
* config/arm/arm-c.c: Likewise.
* config/arm/arm.c: Likewise.
* config/arm/arm.h: Likewise.
* config/arm/arm.md: Likewise.
* config/arm/cortex-r4f.md: Likewise.
* config/csky/csky.c: Likewise.
* config/csky/csky.h: Likewise.
* config/darwin-f.c: Likewise.
* config/epiphany/epiphany.md: Likewise.
* config/i386/i386.c: Likewise.
* config/i386/sol2.h: Likewise.
* config/m68k/m68k.c: Likewise.
* config/mcore/mcore.h: Likewise.
* config/microblaze/microblaze.md: Likewise.
* config/mips/20kc.md: Likewise.
* config/mips/sb1.md: Likewise.
* config/nds32/nds32.c: Likewise.
* config/nds32/predicates.md: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/e300c2c3.md: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/s390/s390.h: Likewise.
* config/sh/sh.c: Likewise.
* config/sh/sh.md: Likewise.
* config/spu/vmx2spu.h: Likewise.
* cprop.c: Likewise.
* dbxout.c: Likewise.
* df-scan.c: Likewise.
* doc/cfg.texi: Likewise.
* doc/extend.texi: Likewise.
* doc/fragments.texi: Likewise.
* doc/gty.texi: Likewise.
* doc/invoke.texi: Likewise.
* doc/lto.texi: Likewise.
* doc/md.texi: Likewise.
* doc/objc.texi: Likewise.
* doc/rtl.texi: Likewise.
* doc/tm.texi: Likewise.
* dse.c: Likewise.
* emit-rtl.c: Likewise.
* emit-rtl.h: Likewise.
* except.c: Likewise.
* expmed.c: Likewise.
* expr.c: Likewise.
* fold-const.c: Likewise.
* genautomata.c: Likewise.
* gimple-fold.c: Likewise.
* hard-reg-set.h: Likewise.
* ifcvt.c: Likewise.
* ipa-comdats.c: Likewise.
* ipa-cp.c: Likewise.
* ipa-devirt.c: Likewise.
* ipa-fnsummary.c: Likewise.
* ipa-icf.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-polymorphic-call.c: Likewise.
* ipa-profile.c: Likewise.
* ipa-prop.c: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-visibility.c: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-conflicts.c: Likewise.
* ira-costs.c: Likewise.
* ira-int.h: Likewise.
* ira-lives.c: Likewise.
* ira.c: Likewise.
* ira.h: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-assigns.c: Likewise.
* lra-constraints.c: Likewise.
* lra-eliminations.c: Likewise.
* lra-lives.c: Likewise.
* lra-remat.c: Likewise.
* lra-spills.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-streamer-out.c: Likewise.
* postreload-gcse.c: Likewise.
* predict.c: Likewise.
* profile-count.h: Likewise.
* profile.c: Likewise.
* recog.c: Likewise.
* ree.c: Likewise.
* reload.c: Likewise.
* reload1.c: Likewise.
* reorg.c: Likewise.
* resource.c: Likewise.
* rtl.def: Likewise.
* rtl.h: Likewise.
* rtlanal.c: Likewise.
* sched-deps.c: Likewise.
* sched-ebb.c: Likewise.
* sched-rgn.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched.c: Likewise.
* shrink-wrap.c: Likewise.
* simplify-rtx.c: Likewise.
* symtab.c: Likewise.
* target.def: Likewise.
* toplev.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-complex.c: Likewise.
* tree-core.h: Likewise.
* tree-eh.c: Likewise.
* tree-inline.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-nrv.c: Likewise.
* tree-profile.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-phionlycprop.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* vr-values.c: Likewise.
gcc/ada/
* exp_ch9.adb: Mechanically replace "can not" with "cannot".
* libgnat/s-regpat.ads: Likewise.
* par-ch4.adb: Likewise.
* set_targ.adb: Likewise.
* types.ads: Likewise.
gcc/cp/
* cp-tree.h: Mechanically replace "can not" with "cannot".
* parser.c: Likewise.
* pt.c: Likewise.
gcc/fortran/
* class.c: Mechanically replace "can not" with "cannot".
* decl.c: Likewise.
* expr.c: Likewise.
* gfc-internals.texi: Likewise.
* intrinsic.texi: Likewise.
* invoke.texi: Likewise.
* io.c: Likewise.
* match.c: Likewise.
* parse.c: Likewise.
* primary.c: Likewise.
* resolve.c: Likewise.
* symbol.c: Likewise.
* trans-array.c: Likewise.
* trans-decl.c: Likewise.
* trans-intrinsic.c: Likewise.
* trans-stmt.c: Likewise.
gcc/go/
* go-backend.c: Mechanically replace "can not" with "cannot".
* go-gcc.cc: Likewise.
gcc/lto/
* lto-partition.c: Mechanically replace "can not" with "cannot".
* lto-symtab.c: Likewise.
* lto.c: Likewise.
gcc/objc/
* objc-act.c: Mechanically replace "can not" with "cannot".
libbacktrace/
* backtrace.h: Mechanically replace "can not" with "cannot".
libgcc/
* config/c6x/libunwind.S: Mechanically replace "can not" with
"cannot".
* config/tilepro/atomic.h: Likewise.
* config/vxlib-tls.c: Likewise.
* generic-morestack-thread.c: Likewise.
* generic-morestack.c: Likewise.
* mkmap-symver.awk: Likewise.
libgfortran/
* caf/single.c: Mechanically replace "can not" with "cannot".
* io/unit.c: Likewise.
libobjc/
* class.c: Mechanically replace "can not" with "cannot".
* objc/runtime.h: Likewise.
* sendmsg.c: Likewise.
liboffloadmic/
* include/coi/common/COIResult_common.h: Mechanically replace
"can not" with "cannot".
* include/coi/source/COIBuffer_source.h: Likewise.
libstdc++-v3/
* include/ext/bitmap_allocator.h: Mechanically replace "can not"
with "cannot".
From-SVN: r267783
|
|
From-SVN: r267494
|
|
2018-11-12 Sandra Loosemore <sandra@codesourcery.com>
PR middle-end/21110
gcc/
* doc/rtl.texi (Constants): Clarify that mode of "high" doesn't
have to be Pmode.
(Arithmetic): Likewise for "lo_sum".
From-SVN: r266035
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|
When an abbreviation ends with a dot followed by whitespace, Texinfo
thinks the dot ends a sentence, and applies spacing rules etc. based
on that. To prevent this, there is the @: macro.
This patch puts @: after every vs., e.g., and i.e. where it is needed.
In a few cases there was "@ " already, or "@\n", but @: is slightly
better, and more consistent.
* target.def: Put @: after every vs., e.g., and i.e. where it is
followed by whitespace.
* doc/extend.texi: Ditto.
* doc/fragments.texi: Ditto.
* doc/gimple.texi: Ditto.
* doc/implement-c.texi: Ditto.
* doc/install.texi: Ditto.
* doc/invoke.texi: Ditto.
* doc/md.texi: Ditto.
* doc/plugins.texi: Ditto.
* doc/rtl.texi: Ditto.
* doc/sourcebuild.texi: Ditto.
* doc/tm.texi.in: Ditto.
* doc/ux.texi: Ditto.
* doc/tm.texi: Regenerate.
From-SVN: r265882
|
|
From-SVN: r265602
|
|
2018-09-25 Martin Liska <mliska@suse.cz>
* config/powerpcspe/powerpcspe.c (rs6000_output_function_epilogue):
Do not handle "GNU Pascal".
* config/rs6000/rs6000.c (rs6000_output_function_epilogue):
Likewise.
* config/sparc/sparc.c (sparc_pass_by_reference): Remove Pascal
from documentation. Likewise.
* dbxout.c (dbxout_range_type): Likewise.
* doc/cpp.texi: Likewise.
* doc/extend.texi: Likewise.
* doc/frontends.texi: Likewise.
* doc/invoke.texi: Remove Pascal entry.
* tree.def (CLEANUP_POINT_EXPR): Likewise.
* doc/rtl.texi (MODE_FUNCTION): Remove not used entry.
2018-09-25 Martin Liska <mliska@suse.cz>
* c-common.c (c_common_truthvalue_conversion):
Remove Pascal from documentation.
From-SVN: r264559
|
|
The vec_select operator is documented to require a const_int for the lane
selector operand, but GCN has an instruction that can select the lane at
runtime, so it seems reasonable to remove this restriction.
This patch simply replaces assertions that the operand is constant with early
exits from the optimizers. I think it's reasonable that vec_select with a
non-constant operand cannot be optimized, yet.
Also included is the necessary documentation tweak.
2018-09-19 Andrew Stubbs <ams@codesourcery.com>
gcc/
* doc/rtl.texi: Adjust vec_select description.
* simplify-rtx.c (simplify_binary_operation_1): Allow VEC_SELECT to use
non-constant selectors.
From-SVN: r264423
|
|
Committed on behalf of Matthew Malcomson.
2018-08-16 Matthew Malcomson <matthew.malcomson@arm.com>
gcc/
* doc/rtl.texi: Replace old RTX class names with new names.
From-SVN: r263592
|
|
Includes documentation.
2018-08-06 Alan Hayward <alan.hayward@arm.com>
* doc/rtl.texi (clobber_high): Add.
(parallel): Add in clobber high
* rtl.c (rtl_check_failed_code3): Add function.
* rtl.def (CLOBBER_HIGH): Add expression.
* rtl.h (RTL_CHECKC3): Add macro.
(rtl_check_failed_code3): Add declaration.
(XC3EXP): Add macro.
From-SVN: r263326
|
|
doloop_end instead.
* doc/rtl.texi (REG_NONNEG): Remove decrement and branch until
zero reference, add doloop_end instead.
* doc/md.texi (decrement_and_branch_until_zero): Remove.
(Looping patterns): Remove decrement_and_branch_until_zero. Add
detail for doloop_end.
From-SVN: r262603
|
|
2018-02-14 Jozef Lawrynowicz <jozefl.gcc@gmail.com>
PR target/79242
* machmode.def: Define a complex mode for PARTIAL_INT.
* genmodes.c (complex_class): Return MODE_COMPLEX_INT for
MODE_PARTIAL_INT.
* doc/rtl.texi: Document CSPImode.
* config/msp430/msp430.c (msp430_hard_regno_nregs): Add CPSImode
handling.
(msp430_hard_regno_nregs_with_padding): Likewise.
PR target/79242
* gcc.target/msp430/pr79242.c: New test.
From-SVN: r257653
|
|
Output DW_AT_entry_pc based on markers.
Introduce DW_AT_GNU_entry_view as a DWARF extension.
If views are enabled are we're not in strict compliance mode, output
DW_AT_GNU_entry_view if it might be nonzero.
This patch depends on SFN and LVU patchsets, and on the IEPM patch that
introduces the inline_entry debug hook.
for include/ChangeLog
* dwarf2.def (DW_AT_GNU_entry_view): New.
for gcc/ChangeLog
* cfgexpand.c (expand_gimple_basic_block): Handle inline entry
markers.
* dwarf2out.c (dwarf2_debug_hooks): Enable inline_entry hook.
(BLOCK_INLINE_ENTRY_LABEL): New.
(dwarf2out_var_location): Disregard inline entry markers.
(inline_entry_data): New struct.
(inline_entry_data_hasher): New hashtable type.
(inline_entry_data_hasher::hash): New.
(inline_entry_data_hasher::equal): New.
(inline_entry_data_table): New variable.
(add_high_low_attributes): Add DW_AT_entry_pc and
DW_AT_GNU_entry_view attributes if a pending entry is found
in inline_entry_data_table. Add old entry_pc attribute only
if debug nonbinding markers are disabled.
(gen_inlined_subroutine_die): Set BLOCK_DIE if nonbinding
markers are enabled.
(block_within_block_p, dwarf2out_inline_entry): New.
(dwarf2out_finish): Check that no entries remained in
inline_entry_data_table.
* final.c (reemit_insn_block_notes): Handle inline entry notes.
(final_scan_insn, notice_source_line): Likewise.
(rest_of_clean_state): Skip inline entry markers.
* gimple-pretty-print.c (dump_gimple_debug): Handle inline entry
markers.
* gimple.c (gimple_build_debug_inline_entry): New.
* gimple.h (enum gimple_debug_subcode): Add
GIMPLE_DEBUG_INLINE_ENTRY.
(gimple_build_debug_inline_entry): Declare.
(gimple_debug_inline_entry_p): New.
(gimple_debug_nonbind_marker_p): Adjust.
* insn-notes.def (INLINE_ENTRY): New.
* print-rtl.c (rtx_writer::print_rtx_operand_code_0): Handle
inline entry marker notes.
(print_insn): Likewise.
* rtl.h (NOTE_MARKER_P): Add INLINE_ENTRY support.
(INSN_DEBUG_MARKER_KIND): Likewise.
(GEN_RTX_DEBUG_MARKER_INLINE_ENTRY_PAT): New.
* tree-inline.c (expand_call_inline): Build and insert
debug_inline_entry stmt.
* tree-ssa-live.c (remove_unused_scope_block_p): Preserve
inline entry blocks early, if nonbind markers are enabled.
(dump_scope_block): Dump fragment info.
* var-tracking.c (reemit_marker_as_note): Handle inline entry note.
* doc/gimple.texi (gimple_debug_inline_entry_p): New.
(gimple_build_debug_inline_entry): New.
* doc/invoke.texi (gstatement-frontiers, gno-statement-frontiers):
Enable/disable inline entry points too.
* doc/rtl.texi (NOTE_INSN_INLINE_ENTRY): New.
(DEBUG_INSN): Describe inline entry markers.
From-SVN: r257511
|
|
r254296 added support for (const ...) wrappers around vectors,
but in the end the agreement was to use a variable-length
encoding of CONST_VECTOR (and VECTOR_CST) instead. This patch
therefore reverts the bits that are no longer needed.
The rtl.texi part isn't a full revert, since r254296 also updated the
documentation to mention unspecs in address calculations, and to relax
the requirement that the mode had to be Pmode.
2018-01-10 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* doc/rtl.texi: Remove documentation of (const ...) wrappers
for vectors, as a partial revert of r254296.
* rtl.h (const_vec_p): Delete.
(const_vec_duplicate_p): Don't test for vector CONSTs.
(unwrap_const_vec_duplicate, const_vec_series_p): Likewise.
* expmed.c (make_tree): Likewise.
Revert:
* common.md (E, F): Use CONSTANT_P instead of checking for
CONST_VECTOR.
* emit-rtl.c (gen_lowpart_common): Use const_vec_p instead of
checking for CONST_VECTOR.
From-SVN: r256421
|
|
2018-01-04 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* doc/rtl.texi: Document machine_mode wrapper classes.
From-SVN: r256259
|
|
The default value of MAX_BITSIZE_MODE_ANY_MODE is calculated
from the initial mode sizes specified in the modes.def file.
The target needs to be able to override it if ADJUST_BYTESIZE
& co. can choose a bigger size.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* doc/rtl.texi (MAX_BITSIZE_MODE_ANY_MODE): Describe how the default
is calculated and how it can be overridden.
* genmodes.c (max_bitsize_mode_any_mode): New variable.
(create_modes): Initialize it from MAX_BITSIZE_MODE_ANY_MODE,
if defined.
(emit_max_int): Use it to set the output MAX_BITSIZE_MODE_ANY_MODE,
if nonzero.
From-SVN: r256206
|
|
From-SVN: r256169
|
|
This patch makes CONST_VECTOR use the same encoding as VECTOR_CST.
One problem that occurs in RTL but not at the tree level is that a fair
amount of code uses XVEC and XVECEXP directly on CONST_VECTORs (which is
valid, just with looser checking). This is complicated by the fact that
vectors are also represented as PARALLELs in some target interfaces,
so using XVECEXP is a good polymorphic way of handling both forms.
Rather than try to untangle all that, the best approach seemed to be to
continue to encode every element in a fixed-length vector. That way only
target-independent and AArch64 code need to be precise about using
CONST_VECTOR_ELT over XVECEXP.
After this change is no longer valid to modify CONST_VECTORs in-place.
This needed some fix-up in the powerpc backends.
2018-01-02 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* doc/rtl.texi (const_vector): Describe new encoding scheme.
* Makefile.in (OBJS): Add rtx-vector-builder.o.
* rtx-vector-builder.h: New file.
* rtx-vector-builder.c: Likewise.
* rtl.h (rtx_def::u2): Add a const_vector field.
(CONST_VECTOR_NPATTERNS): New macro.
(CONST_VECTOR_NELTS_PER_PATTERN): Likewise.
(CONST_VECTOR_DUPLICATE_P): Likewise.
(CONST_VECTOR_STEPPED_P): Likewise.
(CONST_VECTOR_ENCODED_ELT): Likewise.
(const_vec_duplicate_p): Check for a duplicated vector encoding.
(unwrap_const_vec_duplicate): Likewise.
(const_vec_series_p): Check for a non-duplicated vector encoding.
Say that the function only returns true for integer vectors.
* emit-rtl.c: Include rtx-vector-builder.h.
(gen_const_vec_duplicate_1): Delete.
(gen_const_vector): Call gen_const_vec_duplicate instead of
gen_const_vec_duplicate_1.
(const_vec_series_p_1): Operate directly on the CONST_VECTOR encoding.
(gen_const_vec_duplicate): Use rtx_vector_builder.
(gen_const_vec_series): Likewise.
(gen_rtx_CONST_VECTOR): Likewise.
* config/powerpcspe/powerpcspe.c: Include rtx-vector-builder.h.
(swap_const_vector_halves): Take an rtx pointer rather than rtx.
Build a new vector rather than modifying a CONST_VECTOR in-place.
(handle_special_swappables): Update call accordingly.
* config/rs6000/rs6000-p8swap.c: Include rtx-vector-builder.h.
(swap_const_vector_halves): Take an rtx pointer rather than rtx.
Build a new vector rather than modifying a CONST_VECTOR in-place.
(handle_special_swappables): Update call accordingly.
From-SVN: r256102
|
|
This patch changes SUBREG_BYTE from an int to a poly_int.
Since valid SUBREG_BYTEs must be contained within the mode of the
SUBREG_REG, the required range is the same as for GET_MODE_SIZE,
i.e. unsigned short. The patch therefore uses poly_uint16(_pod)
for the SUBREG_BYTE.
Using poly_uint16_pod rtx fields requires a new field code ('p').
Since there are no other uses of 'p' besides SUBREG_BYTE, the patch
doesn't add an XPOLY or whatever; all uses should go via SUBREG_BYTE
instead.
The patch doesn't bother implementing 'p' support for legacy
define_peepholes, since none of the remaining ones have subregs
in their patterns.
As it happened, the rtl documentation used SUBREG as an example of a
code with mixed field types, accessed via XEXP (x, 0) and XINT (x, 1).
Since there's no direct replacement for XINT, and since people should
never use it even if there were, the patch changes the example to use
INT_LIST instead.
The patch also changes subreg-related helper functions so that they too
take and return polynomial offsets. This makes the patch quite big, but
it's mostly mechanical. The patch generally sticks to existing choices
wrt signedness.
2017-12-20 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* doc/rtl.texi: Update documentation of SUBREG_BYTE. Document the
'p' format code. Use INT_LIST rather than SUBREG as the example of
a code with an XINT and an XEXP. Remove the implication that
accessing an rtx field using XINT is expected to work.
* rtl.def (SUBREG): Change format from "ei" to "ep".
* rtl.h (rtunion::rt_subreg): New field.
(XCSUBREG): New macro.
(SUBREG_BYTE): Use it.
(subreg_shape): Change offset from an unsigned int to a poly_uint16.
Update constructor accordingly.
(subreg_shape::operator ==): Update accordingly.
(subreg_shape::unique_id): Return an unsigned HOST_WIDE_INT rather
than an unsigned int.
(subreg_lsb, subreg_lowpart_offset, subreg_highpart_offset): Return
a poly_uint64 rather than an unsigned int.
(subreg_lsb_1): Likewise. Take the offset as a poly_uint64 rather
than an unsigned int.
(subreg_size_offset_from_lsb, subreg_size_lowpart_offset)
(subreg_size_highpart_offset): Return a poly_uint64 rather than
an unsigned int. Take the sizes as poly_uint64s.
(subreg_offset_from_lsb): Return a poly_uint64 rather than
an unsigned int. Take the shift as a poly_uint64 rather than
an unsigned int.
(subreg_regno_offset, subreg_offset_representable_p): Take the offset
as a poly_uint64 rather than an unsigned int.
(simplify_subreg_regno): Likewise.
(byte_lowpart_offset): Return the memory offset as a poly_int64
rather than an int.
(subreg_memory_offset): Likewise. Take the subreg offset as a
poly_uint64 rather than an unsigned int.
(simplify_subreg, simplify_gen_subreg, subreg_get_info)
(gen_rtx_SUBREG, validate_subreg): Take the subreg offset as a
poly_uint64 rather than an unsigned int.
* rtl.c (rtx_format): Describe 'p' in comment.
(copy_rtx, rtx_equal_p_cb, rtx_equal_p): Handle 'p'.
* emit-rtl.c (validate_subreg, gen_rtx_SUBREG): Take the subreg
offset as a poly_uint64 rather than an unsigned int.
(byte_lowpart_offset): Return the memory offset as a poly_int64
rather than an int.
(subreg_memory_offset): Likewise. Take the subreg offset as a
poly_uint64 rather than an unsigned int.
(subreg_size_lowpart_offset, subreg_size_highpart_offset): Take the
mode sizes as poly_uint64s rather than unsigned ints. Return a
poly_uint64 rather than an unsigned int.
(subreg_lowpart_p): Treat subreg offsets as poly_ints.
(copy_insn_1): Handle 'p'.
* rtlanal.c (set_noop_p): Treat subregs offsets as poly_uint64s.
(subreg_lsb_1): Take the subreg offset as a poly_uint64 rather than
an unsigned int. Return the shift in the same way.
(subreg_lsb): Return the shift as a poly_uint64 rather than an
unsigned int.
(subreg_size_offset_from_lsb): Take the sizes and shift as
poly_uint64s rather than unsigned ints. Return the offset as
a poly_uint64.
(subreg_get_info, subreg_regno_offset, subreg_offset_representable_p)
(simplify_subreg_regno): Take the offset as a poly_uint64 rather than
an unsigned int.
* rtlhash.c (add_rtx): Handle 'p'.
* genemit.c (gen_exp): Likewise.
* gengenrtl.c (type_from_format, gendef): Likewise.
* gensupport.c (subst_pattern_match, get_alternatives_number)
(collect_insn_data, alter_predicate_for_insn, alter_constraints)
(subst_dup): Likewise.
* gengtype.c (adjust_field_rtx_def): Likewise.
* genrecog.c (find_operand, find_matching_operand, validate_pattern)
(match_pattern_2): Likewise.
(rtx_test::SUBREG_FIELD): New rtx_test::kind_enum.
(rtx_test::subreg_field): New function.
(operator ==, safe_to_hoist_p, transition_parameter_type)
(print_nonbool_test, print_test): Handle SUBREG_FIELD.
* genattrtab.c (attr_rtx_1): Say that 'p' is deliberately not handled.
* genpeep.c (match_rtx): Likewise.
* print-rtl.c (print_poly_int): Include if GENERATOR_FILE too.
(rtx_writer::print_rtx_operand): Handle 'p'.
(print_value): Handle SUBREG.
* read-rtl.c (apply_int_iterator): Likewise.
(rtx_reader::read_rtx_operand): Handle 'p'.
* alias.c (rtx_equal_for_memref_p): Likewise.
* cselib.c (rtx_equal_for_cselib_1, cselib_hash_rtx): Likewise.
* caller-save.c (replace_reg_with_saved_mem): Treat subreg offsets
as poly_ints.
* calls.c (expand_call): Likewise.
* combine.c (combine_simplify_rtx, expand_field_assignment): Likewise.
(make_extraction, gen_lowpart_for_combine): Likewise.
* loop-invariant.c (hash_invariant_expr_1, invariant_expr_equal_p):
Likewise.
* cse.c (remove_invalid_subreg_refs): Take the offset as a poly_uint64
rather than an unsigned int. Treat subreg offsets as poly_ints.
(exp_equiv_p): Handle 'p'.
(hash_rtx_cb): Likewise. Treat subreg offsets as poly_ints.
(equiv_constant, cse_insn): Treat subreg offsets as poly_ints.
* dse.c (find_shift_sequence): Likewise.
* dwarf2out.c (rtl_for_decl_location): Likewise.
* expmed.c (extract_low_bits): Likewise.
* expr.c (emit_group_store, undefined_operand_subword_p): Likewise.
(expand_expr_real_2): Likewise.
* final.c (alter_subreg): Likewise.
(leaf_renumber_regs_insn): Handle 'p'.
* function.c (assign_parm_find_stack_rtl, assign_parm_setup_stack):
Treat subreg offsets as poly_ints.
* fwprop.c (forward_propagate_and_simplify): Likewise.
* ifcvt.c (noce_emit_move_insn, noce_emit_cmove): Likewise.
* ira.c (get_subreg_tracking_sizes): Likewise.
* ira-conflicts.c (go_through_subreg): Likewise.
* ira-lives.c (process_single_reg_class_operands): Likewise.
* jump.c (rtx_renumbered_equal_p): Likewise. Handle 'p'.
* lower-subreg.c (simplify_subreg_concatn): Take the subreg offset
as a poly_uint64 rather than an unsigned int.
(simplify_gen_subreg_concatn, resolve_simple_move): Treat
subreg offsets as poly_ints.
* lra-constraints.c (operands_match_p): Handle 'p'.
(match_reload, curr_insn_transform): Treat subreg offsets as poly_ints.
* lra-spills.c (assign_mem_slot): Likewise.
* postreload.c (move2add_valid_value_p): Likewise.
* recog.c (general_operand, indirect_operand): Likewise.
* regcprop.c (copy_value, maybe_mode_change): Likewise.
(copyprop_hardreg_forward_1): Likewise.
* reginfo.c (simplifiable_subregs_hasher::hash, simplifiable_subregs)
(record_subregs_of_mode): Likewise.
* rtlhooks.c (gen_lowpart_general, gen_lowpart_if_possible): Likewise.
* reload.c (operands_match_p): Handle 'p'.
(find_reloads_subreg_address): Treat subreg offsets as poly_ints.
* reload1.c (alter_reg, choose_reload_regs): Likewise.
(compute_reload_subreg_offset): Likewise, and return an poly_int64.
* simplify-rtx.c (simplify_truncation, simplify_binary_operation_1):
(test_vector_ops_duplicate): Treat subreg offsets as poly_ints.
(simplify_const_poly_int_tests<N>::run): Likewise.
(simplify_subreg, simplify_gen_subreg): Take the subreg offset as
a poly_uint64 rather than an unsigned int.
* valtrack.c (debug_lowpart_subreg): Likewise.
* var-tracking.c (var_lowpart): Likewise.
(loc_cmp): Handle 'p'.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r255882
|
|
This patch adds an rtl representation of poly_int values.
There were three possible ways of doing this:
(1) Add a new rtl code for the poly_ints themselves and store the
coefficients as trailing wide_ints. This would give constants like:
(const_poly_int [c0 c1 ... cn])
The runtime value would be:
c0 + c1 * x1 + ... + cn * xn
(2) Like (1), but use rtxes for the coefficients. This would give
constants like:
(const_poly_int [(const_int c0)
(const_int c1)
...
(const_int cn)])
although the coefficients could be const_wide_ints instead
of const_ints where appropriate.
(3) Add a new rtl code for the polynomial indeterminates,
then use them in const wrappers. A constant like c0 + c1 * x1
would then look like:
(const:M (plus:M (mult:M (const_param:M x1)
(const_int c1))
(const_int c0)))
There didn't seem to be that much to choose between them. The main
advantage of (1) is that it's a more efficient representation and
that we can refer to the cofficients directly as wide_int_storage.
2017-12-20 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* doc/rtl.texi (const_poly_int): Document. Also document the
rtl sharing behavior.
* gengenrtl.c (excluded_rtx): Return true for CONST_POLY_INT.
* rtl.h (const_poly_int_def): New struct.
(rtx_def::u): Add a cpi field.
(CASE_CONST_UNIQUE, CASE_CONST_ANY): Add CONST_POLY_INT.
(CONST_POLY_INT_P, CONST_POLY_INT_COEFFS): New macros.
(wi::rtx_to_poly_wide_ref): New typedef
(const_poly_int_value, wi::to_poly_wide, rtx_to_poly_int64)
(poly_int_rtx_p): New functions.
(trunc_int_for_mode): Declare a poly_int64 version.
(plus_constant): Take a poly_int64 instead of a HOST_WIDE_INT.
(immed_wide_int_const): Take a poly_wide_int_ref rather than
a wide_int_ref.
(strip_offset): Declare.
(strip_offset_and_add): New function.
* rtl.def (CONST_POLY_INT): New rtx code.
* rtl.c (rtx_size): Handle CONST_POLY_INT.
(shared_const_p): Use poly_int_rtx_p.
* emit-rtl.h (gen_int_mode): Take a poly_int64 instead of a
HOST_WIDE_INT.
(gen_int_shift_amount): Likewise.
* emit-rtl.c (const_poly_int_hasher): New class.
(const_poly_int_htab): New variable.
(init_emit_once): Initialize it when NUM_POLY_INT_COEFFS > 1.
(const_poly_int_hasher::hash): New function.
(const_poly_int_hasher::equal): Likewise.
(gen_int_mode): Take a poly_int64 instead of a HOST_WIDE_INT.
(immed_wide_int_const): Rename to...
(immed_wide_int_const_1): ...this and make static.
(immed_wide_int_const): New function, taking a poly_wide_int_ref
instead of a wide_int_ref.
(gen_int_shift_amount): Take a poly_int64 instead of a HOST_WIDE_INT.
(gen_lowpart_common): Handle CONST_POLY_INT.
* cse.c (hash_rtx_cb, equiv_constant): Likewise.
* cselib.c (cselib_hash_rtx): Likewise.
* dwarf2out.c (const_ok_for_output_1): Likewise.
* expr.c (convert_modes): Likewise.
* print-rtl.c (rtx_writer::print_rtx, print_value): Likewise.
* rtlhash.c (add_rtx): Likewise.
* explow.c (trunc_int_for_mode): Add a poly_int64 version.
(plus_constant): Take a poly_int64 instead of a HOST_WIDE_INT.
Handle existing CONST_POLY_INT rtxes.
* expmed.h (expand_shift): Take a poly_int64 instead of a
HOST_WIDE_INT.
* expmed.c (expand_shift): Likewise.
* rtlanal.c (strip_offset): New function.
(commutative_operand_precedence): Give CONST_POLY_INT the same
precedence as CONST_DOUBLE and put CONST_WIDE_INT between that
and CONST_INT.
* rtl-tests.c (const_poly_int_tests): New struct.
(rtl_tests_c_tests): Use it.
* simplify-rtx.c (simplify_const_unary_operation): Handle
CONST_POLY_INT.
(simplify_const_binary_operation): Likewise.
(simplify_binary_operation_1): Fold additions of symbolic constants
and CONST_POLY_INTs.
(simplify_subreg): Handle extensions and truncations of
CONST_POLY_INTs.
(simplify_const_poly_int_tests): New struct.
(simplify_rtx_c_tests): Use it.
* wide-int.h (storage_ref): Add default constructor.
(wide_int_ref_storage): Likewise.
(trailing_wide_ints): Use GTY((user)).
(trailing_wide_ints::operator[]): Add a const version.
(trailing_wide_ints::get_precision): New function.
(trailing_wide_ints::extra_size): Likewise.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r255862
|
|
This patch adds a new "poly_int" class to represent polynomial integers
of the form:
C0 + C1*X1 + C2*X2 ... + Cn*Xn
It also adds poly_int-based typedefs for offsets and sizes of various
precisions. In these typedefs, the Ci coefficients are compile-time
constants and the Xi indeterminates are run-time invariants. The number
of coefficients is controlled by the target and is initially 1 for all
ports.
Most routines can handle general coefficient counts, but for now a few
are specific to one or two coefficients. Support for other coefficient
counts can be added when needed.
The patch also adds a new macro, IN_TARGET_CODE, that can be
set to indicate that a TU contains target-specific rather than
target-independent code. When this macro is set and the number of
coefficients is 1, the poly-int.h classes define a conversion operator
to a constant. This allows most existing target code to work without
modification. The main exceptions are:
- values passed through ..., which need an explicit conversion to a
constant
- ?: expression in which one arm ends up being a polynomial and the
other remains a constant. In these cases it would be valid to convert
the constant to a polynomial and the polynomial to a constant, so a
cast is needed to break the ambiguity.
The patch also adds a new target hook to return the estimated
value of a polynomial for costing purposes.
The patch also adds operator<< on wide_ints (it was already defined
for offset_int and widest_int). I think this was originally excluded
because >> is ambiguous for wide_int, but << is useful for converting
bytes to bits, etc., so is worth defining on its own. The patch also
adds operator% and operator/ for offset_int and widest_int, since those
types are always signed. These changes allow the poly_int interface to
be more predictable.
I'd originally tried adding the tests as selftests, but that ended up
bloating cc1 by at least a third. It also took a while to build them
at -O2. The patch therefore uses plugin tests instead, where we can
force the tests to be built at -O0. They still run in negligible time
when built that way.
2017-12-14 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* poly-int.h: New file.
* poly-int-types.h: Likewise.
* coretypes.h: Include them.
(POLY_INT_CONVERSION): Define.
* target.def (estimated_poly_value): New hook.
* doc/tm.texi.in (TARGET_ESTIMATED_POLY_VALUE): New hook.
* doc/tm.texi: Regenerate.
* doc/poly-int.texi: New file.
* doc/gccint.texi: Include it.
* doc/rtl.texi: Describe restrictions on subreg modes.
* Makefile.in (TEXI_GCCINT_FILES): Add poly-int.texi.
* genmodes.c (NUM_POLY_INT_COEFFS): Provide a default definition.
(emit_insn_modes_h): Emit a definition of NUM_POLY_INT_COEFFS.
* targhooks.h (default_estimated_poly_value): Declare.
* targhooks.c (default_estimated_poly_value): New function.
* target.h (estimated_poly_value): Likewise.
* wide-int.h (WI_UNARY_RESULT): Use wi::binary_traits.
(wi::unary_traits): Delete.
(wi::binary_traits::signed_shift_result_type): Define for
offset_int << HOST_WIDE_INT, etc.
(generic_wide_int::operator <<=): Define for all types and use
wi::lshift instead of <<.
(wi::hwi_with_prec): Add a default constructor.
(wi::ints_for): New class.
(operator <<): Define for all wide-int types.
(operator /): New function.
(operator %): Likewise.
* selftest.h (ASSERT_KNOWN_EQ, ASSERT_KNOWN_EQ_AT, ASSERT_MAYBE_NE)
(ASSERT_MAYBE_NE_AT): New macros.
gcc/testsuite/
* gcc.dg/plugin/poly-int-tests.h,
gcc.dg/plugin/poly-int-test-1.c,
gcc.dg/plugin/poly-int-01_plugin.c,
gcc.dg/plugin/poly-int-02_plugin.c,
gcc.dg/plugin/poly-int-03_plugin.c,
gcc.dg/plugin/poly-int-04_plugin.c,
gcc.dg/plugin/poly-int-05_plugin.c,
gcc.dg/plugin/poly-int-06_plugin.c,
gcc.dg/plugin/poly-int-07_plugin.c: New tests.
* gcc.dg/plugin/plugin.exp: Run them.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r255617
|
|
This patch completes the infrastructure for the introduction of
statement frontiers in C-family languages.
It brings in all the code remaining code needed to introduce and
transform begin stmt trees, gimple stmts, insns and notes, and
ultimately use them to generate the is_stmt column in DWARF2+ line
number tables/programs, however none of it is activated: the option
that would do so will be introduced in a subsequent patch.
This patch depends on an earlier patch with not-quite-boilerplate
changes towards SFN.
for gcc/c-family/ChangeLog
* c-semantics.c (pop_stmt_list): Move begin stmt marker into
subsequent statement list.
for gcc/c/ChangeLog
* c-objc-common.h (LANG_HOOKS_EMITS_BEGIN_STMT): Redefine as true.
* c-parser.c (add_debug_begin_stmt): New.
(c_parser_declaration_or_fndef): Call it.
(c_parser_compound_statement_nostart): Likewise.
(c_parser_statement_after_labels): Likewise.
* c-typeck (c_finish_stmt_expr): Skip begin stmts markers.
for gcc/cp/ChangeLog
* constexpr.c (check_constexpr_ctor_body_1): Skip begin stmt
markers.
(constexpr_fn_retval): Likewise.
(potential_constant_expression_1): Likewise.
(cxx_eval_statement_list): Check that a begin stmt marker is
not used as the value of a statement list.
(cxx_eval_constant_expression): Return begin stmt markers
unchanged.
* cp-array-notation.c (stmt_location): New.
(cp_expand_cond_array_notations): Use it.
* cp-objcp-common.h (LANG_HOOKS_EMITS_BEGIN_STMT): Redefine as true.
* parser.c (add_debug_begin_stmt): New.
(cp_parser_statement): Call it.
* pt.c (tsubst_copy): Handle begin stmt markers.
for gcc/ChangeLog
* cfgexpand.c (expand_gimple_basic_block): Handle begin stmt
markers. Integrate source bind into debug stmt expand loop.
(pass_expand::execute): Check debug marker limit. Avoid deep
TER and expand debug locations for debug bind insns only.
* cse.c (insn_live_p): Keep nonbind markers and debug bindings
followed by them.
* df-scan.c (df_insn_delete): Accept out-of-block debug insn.
* final.c (reemit_insn_block_notes): Take current block from
nonbind markers. Declare note where it's first set.
(final_scan_insn): Handle begin stmt notes. Emit is_stmt according to
begin stmt markers if enabled.
(notice_source_line): Handle nonbind markers. Fail if their
location is unknown or that of builtins.
(rest_of_handle_final): Convert begin stmt markers to notes if
var-tracking didn't run.
(rest_of_clean_state): Skip begin stmt markers.
* gimple-pretty-print.c (dump_gimple_debug): Handle begin stmt
markers.
* function.c (allocate_struct_function): Set begin_stmt_markers.
* function.h (struct function): Add debug_marker_count counter
and debug_nonbind_markers flag.
* gimple-iterator.c (gsi_remove): Adjust debug_marker_count.
* gimple-low.c (lower_function_body): Adjust
debug_nonbind_markers.
(lower_stmt): Drop or skip gimple debug stmts.
(lower_try_catch): Skip debug stmts.
* gimple.c (gimple_build_debug_begin_stmt): New.
(gimple_copy): Increment debug_marker_count if copying one.
* gimple.h (gimple_build_debug_begin_stmt): Declare.
* gimplify.c (rexpr_location): New.
(rexpr_has_location): New.
(warn_switch_unreachable_r): Handle gimple debug stmts.
(shortcut_cond_r): Call expr_location.
(find_goto): New.
(find_goto_label): New.
(shortcut_cond_expr): Call expr_has_location, expr_location, and
find_goto_label.
(gimplify_cond_expr): Call find_goto_label, expr_has_location, and
expr_location.
(gimplify_expr): Handle begin stmt markers. Reject debug expr decls.
* langhooks-def.h (LANG_HOOKS_EMITS_BEGIN_STMT): New. Add to...
(LANG_HOOKS_INITIALIZER): ... this.
* langhooks.h (struct lang_hooks): Add emits_begin_stmt.
* lra-contraints.c (inherit_reload_reg): Tolerate between-blocks
debug insns.
(update_ebb_live_info): Skip debug insn markers.
* lra.c (debug_insn_static_data): Rename to...
(debug_bind_static_data): ... this.
(debug_marker_static_data): New.
(lra_set_insn_recog_data): Select one of the above depending
on debug insn kind.
(lra_update_isn_regno_info): Don't assume debug insns have
freqs.
(push_insns): Skip debug insns.
* lto-streamer-in.c (input_function): Drop debug stmts
depending on active options. Adjust debug_nonbind_markers.
* params.def (PARAM_MAX_DEBUG_MARKER_COUNT): New.
* print-rtl.c (rtx_writer::print_rtx_operand_code_0): Handle
begin stmt marker notes.
(print_insn): Likewise.
* recog.c (extract_insn): Recognize rtl for debug markers.
* rtl.def (DEBUG_MARKER): New.
* tree-inline.c: Include params.h.
(remap_gimple_stmt): Handle nonbind markers.
(maybe_move_debug_stmts_to_successors): Likewise.
(copy_debug_stmt): Likewise.
* tree-iterator.c (append_to_statement_list_1): Append begin stmt
markers regardless of no side effects.
(tsi_link_before): Don't update container's side effects when adding
a begin stmt marker.
(tsi_link_after): Likewise.
(expr_first): Skip begin stmt markers.
(expr_last): Likewise.
* tree-pretty-print (dump_generic_node): Handle begin stmt markers.
* tree-ssa-threadedge.c (propagate_threaded_block_debug_info):
Disregard nonbind markers.
* tree.c (make_node_stat): Don't set side effects for begin stmt
markers.
(build1_stat): Likewise.
* tree.def (DEBUG_BEGIN_STMT): New.
* tree.h (GOTO_DESTINATION): Require a GOTO_EXPR.
* var-tracking.c (delete_debug_insns): Renamed to...
(delete_vta_debug_insns): ... this.
(reemit_marker_as_note): New.
(vt_initialize): Reemit markers.
(delete_vta_debug_insns): Likewise.
(vt_debug_insns_local): Reemit or delete markers.
(variable_tracking_main_1): Likewise.
* doc/generic.texi (DEBUG_BEGIN_STMT): Document.
* doc/gimple.texi (gimple_debug_begin_stmt_p): New.
(gimple_debug_nonbind_marker_p): New.
(gimple_build_debug_bind): Adjust.
(gimple_build_debug_begin_stmt): New.
* doc/invoke.texi (max-debug-marker-count): New param.
* doc/rtl.texi (debug_implicit_ptr, entry_value): New.
(debug_parameter_ref, debug_marker): New.
(NOTE_INSN_BEGIN_STMT): New.
(DEBUG_INSN): Describe begin stmt markers.
From-SVN: r255568
|
|
PR rtl-optimization/83030
* doc/rtl.texi (Flags in an RTL Expression): Alphabetize, add entry
for CROSSING_JUMP_P and mention usage of 'jump' for JUMP_INSNs.
(Insns): Delete entry for REG_CROSSING_JUMP in register notes.
* bb-reorder.c (update_crossing_jump_flags): Do not test whether the
CROSSING_JUMP_P flag is already set before setting it.
* cfgrtl.c (fixup_partition_crossing): Likewise.
* reorg.c (relax_delay_slots): Do not consider a CROSSING_JUMP_P insn
as useless.
From-SVN: r255083
|
|
The recent gen_vec_duplicate patches used CONST_VECTOR for all
constants, but the documentation says:
@findex const_vector
@item (const_vector:@var{m} [@var{x0} @var{x1} @dots{}])
Represents a vector constant. The square brackets stand for the vector
containing the constant elements. @var{x0}, @var{x1} and so on are
the @code{const_int}, @code{const_double} or @code{const_fixed} elements.
Both the AArch32 and AArch64 ports relied on the elements having
this form and would ICE if the element was something like a CONST
instead. This showed up as a failure in vect-126.c for both arm-eabi
and aarch64-elf (but not aarch64-linux-gnu, which is what the series
was tested on).
The two obvious options were to redefine CONST_VECTOR to accept all
constants or make gen_vec_duplicate honour the existing documentation.
It looks like other code also assumes that integer CONST_VECTORs contain
CONST_INTs, so the patch does the latter.
I deliberately didn't add an assert to gen_const_vec_duplicate
because it looks like the SPU port *does* expect to be able to create
CONST_VECTORs of symbolic constants.
Also, I think the list above should include const_wide_int for vectors
of TImode and wider.
The new routine takes a mode for consistency with the generators,
and because I think it does make sense to accept all constants for
variable-length:
(const (vec_duplicate ...))
rather than have some rtxes for which we instead use:
(vec_duplicate (const ...))
2017-11-09 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* doc/rtl.texi (const_vector): Say that elements can be
const_wide_ints too.
* emit-rtl.h (valid_for_const_vec_duplicate_p): Declare.
* emit-rtl.c (valid_for_const_vec_duplicate_p): New function.
(gen_vec_duplicate): Use it instead of CONSTANT_P.
* optabs.c (expand_vector_broadcast): Likewise.
From-SVN: r254586
|
|
Originally subregs operated at the word level and subreg offsets
were measured in words. The offset units were later changed from
words to bytes (SUBREG_WORD became SUBREG_BYTE), but the fundamental
assumption that subregs should operate at the word level remained.
Whether (subreg:M1 (reg:M2 R2) N) is well-formed depended on the
way that M1 and M2 partitioned into words and whether the subword
part of N represented a lowpart. However, some questions depended
instead on the macro REGMODE_NATURAL_SIZE, which was introduced
as part of the patch that moved from SUBREG_WORD to SUBREG_BYTE.
It is used to decide whether setting (subreg:M1 (reg:M2 R2) N)
clobbers all of R2 or just part of it (df_read_modify_subreg).
Using words doesn't really make sense for modern vector
architectures. Vector registers are usually bigger than
a word and:
(a) setting the scalar lowpart of them usually clobbers the
rest of the register (contrary to the subreg rules,
where only the containing words should be clobbered).
(b) high words of vector registers are often not independently
addressable, even though that's what the subreg rules expect.
This patch therefore uses REGMODE_NATURAL_SIZE instead of
UNITS_PER_WORD to determine the size of the independently
addressable blocks in an inner register.
This is needed for SVE because the number of words in a vector
mode isn't known at compile time, so isn't a sensible basis
for calculating the number of registers.
The only existing port to define REGMODE_NATURAL_SIZE is
64-bit SPARC, where FP registers are 32 bits. (This is the
opposite of the use case for SVE, since the natural division
is smaller than a word.) I compiled the testsuite before and
after the patch for sparc64-linux-gnu and the only test whose
assembly changed was g++.dg/debug/pr65678.C, where the order
of two independent stores was reversed and where a different
register was picked for one pseudo. The new code was
otherwise equivalent to the old code.
2017-11-09 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* doc/rtl.texi: Rewrite the subreg rules so that they partition
the inner register into REGMODE_NATURAL_SIZE bytes rather than
UNITS_PER_WORD bytes.
* emit-rtl.c (validate_subreg): Divide subregs into blocks
based on REGMODE_NATURAL_SIZE of the inner mode.
(gen_lowpart_common): Split the SCALAR_FLOAT_MODE_P and
!SCALAR_FLOAT_MODE_P cases. Use REGMODE_NATURAL_SIZE for the latter.
* expmed.c (lowpart_bit_field_p): Divide the value up into
chunks of REGMODE_NATURAL_SIZE rather than UNITS_PER_WORD.
* expr.c (store_constructor): Use REGMODE_NATURAL_SIZE to test
whether something is likely to occupy more than one register.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r254583
|
|
This patch adds an rtl representation of a vector linear series
of the form:
a[I] = BASE + I * STEP
Like vec_duplicate;
- the new rtx can be used for both constant and non-constant vectors
- when used for constant vectors it is wrapped in a (const ...)
- the constant form is only used for variable-length vectors;
fixed-length vectors still use CONST_VECTOR
At the moment the code is restricted to integer elements, to avoid
concerns over floating-point rounding.
2017-11-01 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* doc/rtl.texi (vec_series): Document.
(const): Say that the operand can be a vec_series.
* rtl.def (VEC_SERIES): New rtx code.
* rtl.h (const_vec_series_p_1): Declare.
(const_vec_series_p): New function.
* emit-rtl.h (gen_const_vec_series): Declare.
(gen_vec_series): Likewise.
* emit-rtl.c (const_vec_series_p_1, gen_const_vec_series)
(gen_vec_series): Likewise.
* optabs.c (expand_mult_highpart): Use gen_const_vec_series.
* simplify-rtx.c (simplify_unary_operation): Handle negations
of vector series.
(simplify_binary_operation_series): New function.
(simplify_binary_operation_1): Use it. Handle VEC_SERIES.
(test_vector_ops_series): New function.
(test_vector_ops): Call it.
* config/powerpcspe/altivec.md (altivec_lvsl): Use
gen_const_vec_series.
(altivec_lvsr): Likewise.
* config/rs6000/altivec.md (altivec_lvsl, altivec_lvsr): Likewise.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r254297
|
|
This patch allows (const ...) wrappers to be used for rtx vector
constants, as an alternative to const_vector. This is useful
for SVE, where the number of elements isn't known until runtime.
It could also be useful in future for fixed-length vectors, to
reduce the amount of memory needed to represent simple constants
with high element counts. However, one nice thing about keeping
it restricted to variable-length vectors is that there is never
any need to handle combinations of (const ...) and CONST_VECTOR.
2017-11-01 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* doc/rtl.texi (const): Update description of address constants.
Say that vector constants are allowed too.
* common.md (E, F): Use CONSTANT_P instead of checking for
CONST_VECTOR.
* emit-rtl.c (gen_lowpart_common): Use const_vec_p instead of
checking for CONST_VECTOR.
* expmed.c (make_tree): Use build_vector_from_val for a CONST
VEC_DUPLICATE.
* expr.c (expand_expr_real_2): Check for vector modes instead
of checking for CONST_VECTOR.
* rtl.h (const_vec_p): New function.
(const_vec_duplicate_p): Check for a CONST VEC_DUPLICATE.
(unwrap_const_vec_duplicate): Handle them here too.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r254296
|
|
I took the documentation of the FRAME_GROWS_DOWNWARD behaviour from the
version that was in most header files, since the one in the manual seemed
less clear.
The patch deliberately keeps FIRST_PARM_OFFSET(FNDECL) in
microblaze_starting_frame_offset; this seems to be a port-local
convention and takes advantage of the fact that FIRST_PARM_OFFSET
doesn't read FNDECL.
2017-10-23 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* target.def (starting_frame_offset): New hook.
* doc/tm.texi (STARTING_FRAME_OFFSET): Remove in favor of...
(TARGET_STARTING_FRAME_OFFSET): ...this new hook.
* doc/tm.texi.in: Regenerate.
* hooks.h (hook_hwi_void_0): Declare.
* hooks.c (hook_hwi_void_0): New function.
* doc/rtl.texi: Refer to TARGET_STARTING_FRAME_OFFSET instead of
STARTING_FRAME_OFFSET.
* builtins.c (expand_builtin_setjmp_receiver): Likewise.
* reload1.c (reload): Likewise.
* cfgexpand.c (expand_used_vars): Use targetm.starting_frame_offset
instead of STARTING_FRAME_OFFSET.
* function.c (try_fit_stack_local): Likewise.
(assign_stack_local_1): Likewise
(instantiate_virtual_regs): Likewise.
* rtlanal.c (rtx_addr_can_trap_p_1): Likewise.
* config/avr/avr.md (nonlocal_goto_receiver): Likewise.
* config/aarch64/aarch64.h (STARTING_FRAME_OFFSET): Delete.
* config/alpha/alpha.h (STARTING_FRAME_OFFSET): Likewise.
* config/arc/arc.h (STARTING_FRAME_OFFSET): Likewise.
* config/arm/arm.h (STARTING_FRAME_OFFSET): Likewise.
* config/bfin/bfin.h (STARTING_FRAME_OFFSET): Likewise.
* config/c6x/c6x.h (STARTING_FRAME_OFFSET): Likewise.
* config/cr16/cr16.h (STARTING_FRAME_OFFSET): Likewise.
* config/cris/cris.h (STARTING_FRAME_OFFSET): Likewise.
* config/fr30/fr30.h (STARTING_FRAME_OFFSET): Likewise.
* config/frv/frv.h (STARTING_FRAME_OFFSET): Likewise.
* config/ft32/ft32.h (STARTING_FRAME_OFFSET): Likewise.
* config/h8300/h8300.h (STARTING_FRAME_OFFSET): Likewise.
* config/i386/i386.h (STARTING_FRAME_OFFSET): Likewise.
* config/ia64/ia64.h (STARTING_FRAME_OFFSET): Likewise.
* config/m32c/m32c.h (STARTING_FRAME_OFFSET): Likewise.
* config/m68k/m68k.h (STARTING_FRAME_OFFSET): Likewise.
* config/mcore/mcore.h (STARTING_FRAME_OFFSET): Likewise.
* config/mn10300/mn10300.h (STARTING_FRAME_OFFSET): Likewise.
* config/moxie/moxie.h (STARTING_FRAME_OFFSET): Likewise.
* config/msp430/msp430.h (STARTING_FRAME_OFFSET): Likewise.
* config/nds32/nds32.h (STARTING_FRAME_OFFSET): Likewise.
* config/nios2/nios2.h (STARTING_FRAME_OFFSET): Likewise.
* config/nvptx/nvptx.h (STARTING_FRAME_OFFSET): Likewise.
* config/pdp11/pdp11.h (STARTING_FRAME_OFFSET): Likewise.
* config/riscv/riscv.h (STARTING_FRAME_OFFSET): Likewise.
* config/rl78/rl78.h (STARTING_FRAME_OFFSET): Likewise.
* config/rx/rx.h (STARTING_FRAME_OFFSET): Likewise.
* config/s390/s390.h (STARTING_FRAME_OFFSET): Likewise.
* config/sh/sh.h (STARTING_FRAME_OFFSET): Likewise.
* config/sparc/sparc.c (sparc_compute_frame_size): Likewise.
* config/sparc/sparc.h (STARTING_FRAME_OFFSET): Likewise.
* config/spu/spu.h (STARTING_FRAME_OFFSET): Likewise.
* config/stormy16/stormy16.h (STARTING_FRAME_OFFSET): Likewise.
* config/tilegx/tilegx.h (STARTING_FRAME_OFFSET): Likewise.
* config/tilepro/tilepro.h (STARTING_FRAME_OFFSET): Likewise.
* config/v850/v850.h (STARTING_FRAME_OFFSET): Likewise.
* config/visium/visium.h (STARTING_FRAME_OFFSET): Likewise.
* config/avr/avr.h (STARTING_FRAME_OFFSET): Likewise.
* config/avr/avr-protos.h (avr_starting_frame_offset): Likewise.
* config/avr/avr.c (avr_starting_frame_offset): Make static and
return a HOST_WIDE_INT.
(avr_builtin_setjmp_frame_value): Use it instead of
STARTING_FRAME_OFFSET.
(TARGET_STARTING_FRAME_OFFSET): Redefine.
* config/epiphany/epiphany.h (STARTING_FRAME_OFFSET): Delete.
* config/epiphany/epiphany.c (epiphany_starting_frame_offset):
New function.
(TARGET_STARTING_FRAME_OFFSET): Redefine.
* config/iq2000/iq2000.h (STARTING_FRAME_OFFSET): Delete.
* config/iq2000/iq2000.c (iq2000_starting_frame_offset): New function.
(TARGET_CONSTANT_ALIGNMENT): Redefine.
* config/lm32/lm32.h (STARTING_FRAME_OFFSET): Delete.
* config/lm32/lm32.c (lm32_starting_frame_offset): New function.
(TARGET_STARTING_FRAME_OFFSET): Redefine.
* config/m32r/m32r.h (STARTING_FRAME_OFFSET): Delete.
* config/m32r/m32r.c (m32r_starting_frame_offset): New function.
(TARGET_STARTING_FRAME_OFFSET): Redefine.
* config/microblaze/microblaze.h (STARTING_FRAME_OFFSET): Delete.
* config/microblaze/microblaze.c (microblaze_starting_frame_offset):
New function.
(TARGET_STARTING_FRAME_OFFSET): Redefine.
* config/mips/mips.h (STARTING_FRAME_OFFSET): Delete.
* config/mips/mips.c (mips_compute_frame_info): Refer to
TARGET_STARTING_FRAME_OFFSET instead of STARTING_FRAME_OFFSET.
(mips_starting_frame_offset): New function.
(TARGET_STARTING_FRAME_OFFSET): Redefine.
* config/mmix/mmix.h (STARTING_FRAME_OFFSET): Delete.
* config/mmix/mmix-protos.h (mmix_starting_frame_offset): Delete.
* config/mmix/mmix.c (mmix_starting_frame_offset): Make static
and return a HOST_WIDE_INT.
(TARGET_STARTING_FRAME_OFFSET): Redefine.
(mmix_initial_elimination_offset): Refer to
TARGET_STARTING_FRAME_OFFSET instead of STARTING_FRAME_OFFSET.
* config/pa/pa.h (STARTING_FRAME_OFFSET): Delete.
* config/pa/pa.c (pa_starting_frame_offset): New function.
(pa_compute_frame_size): Use it instead of STARTING_FRAME_OFFSET.
(pa_expand_prologue): Likewise.
(TARGET_STARTING_FRAME_OFFSET): Redefine.
* config/powerpcspe/aix.h (STARTING_FRAME_OFFSET): Split out
!FRAME_GROWS_DOWNWARD handling to...
(RS6000_STARTING_FRAME_OFFSET): ...this new macro.
* config/powerpcspe/darwin.h (STARTING_FRAME_OFFSET): Split out
!FRAME_GROWS_DOWNWARD handling to...
(RS6000_STARTING_FRAME_OFFSET): ...this new macro.
* config/powerpcspe/powerpcspe.h (STARTING_FRAME_OFFSET): Split out
!FRAME_GROWS_DOWNWARD handling to...
(RS6000_STARTING_FRAME_OFFSET): ...this new macro.
* config/powerpcspe/powerpcspe.c (TARGET_STARTING_FRAME_OFFSET):
Redefine.
(rs6000_starting_frame_offset): New function.
* config/rs6000/aix.h (STARTING_FRAME_OFFSET): Split out
!FRAME_GROWS_DOWNWARD handling to...
(RS6000_STARTING_FRAME_OFFSET): ...this new macro.
* config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Split out
!FRAME_GROWS_DOWNWARD handling to...
(RS6000_STARTING_FRAME_OFFSET): ...this new macro.
* config/rs6000/rs6000.h (STARTING_FRAME_OFFSET): Split out
!FRAME_GROWS_DOWNWARD handling to...
(RS6000_STARTING_FRAME_OFFSET): ...this new macro.
* config/rs6000/rs6000.c (TARGET_STARTING_FRAME_OFFSET): Refine.
(rs6000_starting_frame_offset): New function.
* config/vax/elf.h (STARTING_FRAME_OFFSET): Delete.
* config/vax/vax.h (STARTING_FRAME_OFFSET): Delete.
* config/vax/vax.c (vax_starting_frame_offset): New function.
(vax_expand_prologue): Use it instead of STARTING_FRAME_OFFSET.
(TARGET_STARTING_FRAME_OFFSET): Redefine.
* config/xtensa/xtensa.h (STARTING_FRAME_OFFSET): Delete.
* config/xtensa/xtensa.c (xtensa_starting_frame_offset): New function.
(TARGET_STARTING_FRAME_OFFSET): Redefine.
* system.h (STARTING_FRAME_OFFSET): Poison.
From-SVN: r254003
|
|
gcc/doc/
* extend.texi: Add 'nocf_check' documentation.
* gimple.texi: Add second parameter to gimple_build_call_from_tree.
* invoke.texi: Add -fcf-protection documentation.
* rtl.texi: Add REG_CALL_NOTRACK documenation.
From-SVN: r253938
|
|
This also seemed like a good opportunity to reverse the sense of the
hook to "can", to avoid the awkward double negative in !CANNOT.
2017-09-15 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayard <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* target.def (can_change_mode_class): New hook.
(mode_rep_extended): Refer to it instead of CANNOT_CHANGE_MODE_CLASS.
(hard_regno_nregs): Likewise.
* hooks.h (hook_bool_mode_mode_reg_class_t_true): Declare.
* hooks.c (hook_bool_mode_mode_reg_class_t_true): New function.
* doc/tm.texi.in (CANNOT_CHANGE_MODE_CLASS): Replace with...
(TARGET_CAN_CHANGE_MODE_CLASS): ...this.
(LOAD_EXTEND_OP): Update accordingly.
* doc/tm.texi: Regenerate.
* doc/rtl.texi: Refer to TARGET_CAN_CHANGE_MODE_CLASS instead of
CANNOT_CHANGE_MODE_CLASS.
* hard-reg-set.h (REG_CANNOT_CHANGE_MODE_P): Replace with...
(REG_CAN_CHANGE_MODE_P): ...this new macro.
* combine.c (simplify_set): Update accordingly.
* emit-rtl.c (validate_subreg): Likewise.
* recog.c (general_operand): Likewise.
* regcprop.c (mode_change_ok): Likewise.
* reload1.c (choose_reload_regs): Likewise.
(inherit_piecemeal_p): Likewise.
* rtlanal.c (simplify_subreg_regno): Likewise.
* postreload.c (reload_cse_simplify_set): Use REG_CAN_CHANGE_MODE_P
instead of CANNOT_CHANGE_MODE_CLASS.
(reload_cse_simplify_operands): Likewise.
* reload.c (push_reload): Use targetm.can_change_mode_class
instead of CANNOT_CHANGE_MODE_CLASS.
(push_reload): Likewise. Also use REG_CAN_CHANGE_MODE_P instead of
REG_CANNOT_CHANGE_MODE_P.
* config/alpha/alpha.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/alpha/alpha.c (alpha_can_change_mode_class): New function.
(TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
* config/arm/arm.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/arm/arm.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
(arm_can_change_mode_class): New function.
* config/arm/neon.md: Refer to TARGET_CAN_CHANGE_MODE_CLASS rather
than CANNOT_CHANGE_MODE_CLASS in comments.
* config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/i386/i386-protos.h (ix86_cannot_change_mode_class): Delete.
* config/i386/i386.c (ix86_cannot_change_mode_class): Replace with...
(ix86_can_change_mode_class): ...this new function, inverting the
sense of the return value.
(TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
* config/ia64/ia64.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/ia64/ia64.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
(ia64_can_change_mode_class): New function.
* config/m32c/m32c.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/m32c/m32c-protos.h (m32c_cannot_change_mode_class): Delete.
* config/m32c/m32c.c (m32c_cannot_change_mode_class): Replace with...
(m32c_can_change_mode_class): ...this new function, inverting the
sense of the return value.
(TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
* config/mips/mips.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/mips/mips-protos.h (mips_cannot_change_mode_class): Delete.
* config/mips/mips.c (mips_cannot_change_mode_class): Replace with...
(mips_can_change_mode_class): ...this new function, inverting the
sense of the return value.
(TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
* config/msp430/msp430.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/msp430/msp430.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
(msp430_can_change_mode_class): New function.
* config/nvptx/nvptx.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/nvptx/nvptx.c (nvptx_can_change_mode_class): New function.
(TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
* config/pa/pa32-regs.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/pa/pa64-regs.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/pa/pa-protos.h (pa_cannot_change_mode_class): Delete.
* config/pa/pa.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
(pa_cannot_change_mode_class): Replace with...
(pa_can_change_mode_class): ...this new function, inverting the
sense of the return value.
(pa_modes_tieable_p): Refer to TARGET_CAN_CHANGE_MODE_CLASS rather
than CANNOT_CHANGE_MODE_CLASS in comments.
* config/pdp11/pdp11.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/pdp11/pdp11-protos.h (pdp11_cannot_change_mode_class): Delete.
* config/pdp11/pdp11.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
(pdp11_cannot_change_mode_class): Replace with...
(pdp11_can_change_mode_class): ...this new function, inverting the
sense of the return value.
* config/powerpcspe/powerpcspe.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/powerpcspe/powerpcspe-protos.h
(rs6000_cannot_change_mode_class_ptr): Delete.
* config/powerpcspe/powerpcspe.c
(rs6000_cannot_change_mode_class_ptr): Delete.
(TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
(rs6000_option_override_internal): Assign to
targetm.can_change_mode_class instead of
rs6000_cannot_change_mode_class_ptr.
(rs6000_cannot_change_mode_class): Replace with...
(rs6000_can_change_mode_class): ...this new function, inverting the
sense of the return value.
(rs6000_debug_cannot_change_mode_class): Replace with...
(rs6000_debug_can_change_mode_class): ...this new function.
* config/riscv/riscv.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/riscv/riscv.c (riscv_can_change_mode_class): New function.
(TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
* config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/rs6000/rs6000-protos.h (rs6000_cannot_change_mode_class_ptr):
Delete.
* config/rs6000/rs6000.c (rs6000_cannot_change_mode_class_ptr): Delete.
(TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
(rs6000_option_override_internal): Assign to
targetm.can_change_mode_class instead of
rs6000_cannot_change_mode_class_ptr.
(rs6000_cannot_change_mode_class): Replace with...
(rs6000_can_change_mode_class): ...this new function, inverting the
sense of the return value.
(rs6000_debug_cannot_change_mode_class): Replace with...
(rs6000_debug_can_change_mode_class): ...this new function.
* config/s390/s390.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/s390/s390-protos.h (s390_cannot_change_mode_class): Delete.
* config/s390/s390.c (s390_cannot_change_mode_class): Replace with...
(s390_can_change_mode_class): ...this new function, inverting the
sense of the return value.
(TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
* config/sh/sh.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/sh/sh-protos.h (sh_cannot_change_mode_class): Delete.
* config/sh/sh.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
(sh_cannot_change_mode_class): Replace with...
(sh_can_change_mode_class): ...this new function, inverting the
sense of the return value.
* config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/sparc/sparc.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
(sparc_can_change_mode_class): New function.
* config/spu/spu.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/spu/spu.c (spu_can_change_mode_class): New function.
(TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
* config/visium/visium.h (CANNOT_CHANGE_MODE_CLASS): Delete.
* config/visium/visium.c (TARGET_CAN_CHANGE_MODE_CLASS): Redefine.
(visium_can_change_mode_class): New function.
* system.h (CANNOT_CHANGE_MODE_CLASS): Poison.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r252816
|
|
This patch makes more use of the existing paradoxical_subreg_p
predicate and also adds a version that operates on outer and
inner modes.
Some of the affected tests were based on GET_MODE_SIZE rather than
GET_MODE_PRECISION and so the patch could change the result for modes
that have the same size but different precisions. I think in each
case the change should be a no-op or more correct, since a mode with
precision N bits can't be expected to hold all of a mode with precision
M>N bits.
The patch changes the branch taken in simplify_subreg for modes with
equal precision, but the new form matches the commentary more closely.
Both branches should be equally good in that situation.
2017-08-22 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* rtl.h (paradoxical_subreg_p): Define inline, and add a version
that takes the outer and inner modes.
* doc/rtl.texi: Use paradoxical_subreg_p instead of a GET_MODE_SIZE
comparison as the canonical test for a paradoxical subreg.
* combine.c (simplify_set): Use paradoxical_subreg_p.
(make_extraction): Likewise.
(force_to_mode): Likewise.
(rtx_equal_for_field_assignment_p): Likewise.
(gen_lowpart_for_combine): Likewise.
(simplify_comparison): Likewise.
* cse.c (equiv_constant): Likewise.
* expmed.c (store_bit_field_1): Likewise.
* final.c (alter_subreg): Likewise.
* fwprop.c (propagate_rtx): Likewise.
(forward_propagate_subreg): Likewise.
* ira-conflicts.c (ira_build_conflicts): Likewise.
* lower-subreg.c (simplify_gen_subreg_concatn): Likewise.
* lra-constraints.c (curr_insn_transform): Likewise.
(split_reg): Likewise.
* lra-eliminations.c (move_plus_up): Likewise.
(lra_eliminate_regs_1): Likewise.
* recog.c (general_operand): Likewise.
* ree.c (combine_reaching_defs): Likewise.
* reload.c (push_reload): Likewise.
(find_reloads): Likewise.
* reload1.c (elimination_effects): Likewise.
(compute_reload_subreg_offset): Likewise.
(choose_reload_regs): Likewise.
* rtlanal.c (subreg_lsb_1): Likewise.
* simplify-rtx.c (simplify_unary_operation_1): Likewise.
(simplify_subreg): Likewise.
* var-tracking.c (track_loc_p): Likewise.
* emit-rtl.c (byte_lowpart_offset): Likewise.
(paradoxical_subreg_p): Delete out-of-line definition.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r251282
|
|
functions.
* profile-count.h (profile_probability::from_reg_br_prob_note,
profile_probability::to_reg_br_prob_note): New functions.
* doc/rtl.texi (REG_BR_PROB_NOTE): Update documentation.
* reg-notes.h (REG_BR_PROB, REG_BR_PRED): Update docs.
* predict.c (probability_reliable_p): Update.
(edge_probability_reliable_p): Update.
(br_prob_note_reliable_p): Update.
(invert_br_probabilities): Update.
(add_reg_br_prob_note): New function.
(combine_predictions_for_insn): Update.
* asan.c (asan_clear_shadow): Update.
* cfgbuild.c (compute_outgoing_frequencies): Update.
* cfgrtl.c (force_nonfallthru_and_redirect): Update.
(update_br_prob_note): Update.
(rtl_verify_edges): Update.
(purge_dead_edges): Update.
(fixup_reorder_chain): Update.
* emit-rtl.c (try_split): Update.
* ifcvt.c (cond_exec_process_insns): Update.
(cond_exec_process_if_block): Update.
(dead_or_predicable): Update.
* internal-fn.c (expand_addsub_overflow): Update.
(expand_neg_overflow): Update.
(expand_mul_overflow): Update.
* loop-doloop.c (doloop_modify): Update.
* loop-unroll.c (compare_and_jump_seq): Update.
* optabs.c (emit_cmp_and_jump_insn_1): Update.
* predict.h: Update.
* reorg.c (mostly_true_jump): Update.
* rtl.h: Update.
* config/aarch64/aarch64.c (aarch64_emit_unlikely_jump): Update.
* config/alpha/alpha.c (emit_unlikely_jump): Update.
* config/arc/arc.c: (emit_unlikely_jump): Update.
* config/arm/arm.c: (emit_unlikely_jump): Update.
* config/bfin/bfin.c (cbranch_predicted_taken_p): Update.
* config/frv/frv.c (frv_print_operand_jump_hint): Update.
* config/i386/i386.c (ix86_expand_split_stack_prologue): Update.
(ix86_print_operand): Update.
(ix86_split_fp_branch): Update.
(predict_jump): Update.
* config/ia64/ia64.c (ia64_print_operand): Update.
* config/mmix/mmix.c (mmix_print_operand): Update.
* config/powerpcspe/powerpcspe.c (output_cbranch): Update.
(rs6000_expand_split_stack_prologue): Update.
* config/rs6000/rs6000.c: Update.
* config/s390/s390.c (s390_expand_vec_strlen): Update.
(s390_expand_vec_movstr): Update.
(s390_expand_cs_tdsi): Update.
(s390_expand_split_stack_prologue): Update.
* config/sh/sh.c (sh_print_operand): Update.
(expand_cbranchsi4): Update.
(expand_cbranchdi4): Update.
* config/sparc/sparc.c (output_v9branch): Update.
* config/spu/spu.c (get_branch_target): Update.
(ea_load_store_inline): Update.
* config/tilegx/tilegx.c (cbranch_predicted_p): Update.
* config/tilepro/tilepro.c: Update.
* gcc.dg/predict-8.c: Update.
From-SVN: r250239
|
|
gcc/ChangeLog:
* doc/extend.texi: Use "cannot" instead of "can't."
* doc/hostconfig.texi: Same.
* doc/install.texi: Same.
* doc/invoke.texi: Same.
* doc/loop.texi: Same.
* doc/md.texi: Same.
* doc/objc.texi: Same.
* doc/rtl.texi: Same.
* doc/tm.texi: Same.
* doc/tm.texi.in: Same.
* doc/trouble.texi: Same.
From-SVN: r246334
|
|
From-SVN: r243994
|
|
PR rtl-optimization/59461
* doc/rtl.texi (paradoxical subregs): Add missing word.
* combine.c (reg_nonzero_bits_for_combine): Do not discard results
in modes with precision larger than that of last_set_mode.
* rtlanal.c (nonzero_bits1) <SUBREG>: If WORD_REGISTER_OPERATIONS is
set and LOAD_EXTEND_OP is appropriate, propagate results from inner
REGs to paradoxical SUBREGs.
(num_sign_bit_copies1) <SUBREG>: Likewise. Check that the mode is not
larger than a word before invoking LOAD_EXTEND_OP on it.
From-SVN: r242326
|
|
* doc/rtl.texi (JUMP_LABEL): Document RETURN and SIMPLE_RETURN values.
From-SVN: r240325
|
|
PR target/69442
* combine.c (combine_instructions): For REG_EQUAL note with
SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
to the underlying register.
* doc/rtl.texi (REG_EQUAL): Document the behavior of
REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
* gcc.dg/pr69442.c: New test.
From-SVN: r232819
|
|
From-SVN: r232055
|
|
gcc/
* doc/rtl.texi (fma): Clarify documentation.
From-SVN: r220888
|
|
From-SVN: r219188
|
|
gcc/
2014-11-05 Ilya Enkovich <ilya.enkovich@intel.com>
* ipa-chkp.c: New.
* ipa-chkp.h: New.
* tree-chkp.c: New.
* tree-chkp.h: New.
* tree-chkp-opt.c: New.
* rtl-chkp.c: New.
* rtl-chkp.h: New.
* Makefile.in (OBJS): Add ipa-chkp.o, rtl-chkp.o, tree-chkp.o
tree-chkp-opt.o.
(GTFILES): Add tree-chkp.c.
* mode-classes.def (MODE_POINTER_BOUNDS): New.
* tree.def (POINTER_BOUNDS_TYPE): New.
* genmodes.c (complete_mode): Support MODE_POINTER_BOUNDS.
(POINTER_BOUNDS_MODE): New.
(make_pointer_bounds_mode): New.
* machmode.h (POINTER_BOUNDS_MODE_P): New.
* stor-layout.c (int_mode_for_mode): Support MODE_POINTER_BOUNDS.
(layout_type): Support POINTER_BOUNDS_TYPE.
* tree-pretty-print.c (dump_generic_node): Support POINTER_BOUNDS_TYPE.
* tree-core.h (tree_index): Add TI_POINTER_BOUNDS_TYPE.
* tree.c (build_int_cst_wide): Support POINTER_BOUNDS_TYPE.
(type_contains_placeholder_1): Likewise.
(build_common_tree_nodes): Initialize
pointer_bounds_type_node.
* tree.h (POINTER_BOUNDS_TYPE_P): New.
(pointer_bounds_type_node): New.
(POINTER_BOUNDS_P): New.
(BOUNDED_TYPE_P): New.
(BOUNDED_P): New.
(CALL_WITH_BOUNDS_P): New.
* gimple.h (gf_mask): Add GF_CALL_WITH_BOUNDS.
(gimple_call_with_bounds_p): New.
(gimple_call_set_with_bounds): New.
(gimple_return_retbnd): New.
(gimple_return_set_retbnd): New
* gimple.c (gimple_build_return): Increase number of ops
for return statement.
(gimple_build_call_from_tree): Propagate CALL_WITH_BOUNDS_P
flag.
* gimple-pretty-print.c (dump_gimple_return): Print second op.
* rtl.h (CALL_EXPR_WITH_BOUNDS_P): New.
* gimplify.c (gimplify_init_constructor): Avoid infinite
loop during gimplification of bounds initializer.
* calls.c: Include tree-chkp.h, rtl-chkp.h, bitmap.h.
(special_function_p): Use original decl name when analyzing
instrumentation clone.
(arg_data): Add fields special_slot, pointer_arg and
pointer_offset.
(store_bounds): New.
(emit_call_1): Propagate instrumentation flag for CALL.
(initialize_argument_information): Compute pointer_arg,
pointer_offset and special_slot for pointer bounds arguments.
(finalize_must_preallocate): Preallocate when storing bounds
in bounds table.
(compute_argument_addresses): Skip pointer bounds.
(expand_call): Store bounds into tables separately. Return
result joined with resulting bounds.
* cfgexpand.c: Include tree-chkp.h, rtl-chkp.h.
(expand_call_stmt): Propagate bounds flag for CALL_EXPR.
(expand_return): Add returned bounds arg. Handle returned bounds.
(expand_gimple_stmt_1): Adjust to new expand_return signature.
(gimple_expand_cfg): Reset rtx bounds map.
* expr.c: Include tree-chkp.h, rtl-chkp.h.
(expand_assignment): Handle returned bounds.
(store_expr_with_bounds): New. Replaces store_expr with new bounds
target argument. Handle bounds returned by calls.
(store_expr): Now wraps store_expr_with_bounds.
* expr.h (store_expr_with_bounds): New.
* function.c: Include tree-chkp.h, rtl-chkp.h.
(bounds_parm_data): New.
(use_register_for_decl): Do not registerize decls used for bounds
stores and loads.
(assign_parms_augmented_arg_list): Add bounds of the result
structure pointer as the second argument.
(assign_parm_find_entry_rtl): Mark bounds are never passed on
the stack.
(assign_parm_is_stack_parm): Likewise.
(assign_parm_load_bounds): New.
(assign_bounds): New.
(assign_parms): Load bounds and determine a location for
returned bounds.
(diddle_return_value_1): New.
(diddle_return_value): Handle returned bounds.
* function.h (rtl_data): Add field for returned bounds.
* varasm.c: Include tree-chkp.h.
(output_constant): Support POINTER_BOUNDS_TYPE.
(output_constant_pool_2): Support MODE_POINTER_BOUNDS.
(ultimate_transparent_alias_target): Move up.
(make_decl_rtl): For instrumented function use
name of the original decl.
(assemble_start_function): Mark function as global
in case it is instrumentation clone of the global
function.
(do_assemble_alias): Follow transparent alias chain
for identifier. Check if original alias is public.
(maybe_assemble_visibility): Use visibility of the
original function for instrumented version.
(default_unique_section): Likewise.
* emit-rtl.c (immed_double_const): Support MODE_POINTER_BOUNDS.
(init_emit_once): Build pointer bounds zero constants.
* explow.c (trunc_int_for_mode): Support MODE_POINTER_BOUNDS.
* target.def (builtin_chkp_function): New.
(chkp_bound_type): New.
(chkp_bound_mode): New.
(chkp_make_bounds_constant): New.
(chkp_initialize_bounds): New.
(load_bounds_for_arg): New.
(store_bounds_for_arg): New.
(load_returned_bounds): New.
(store_returned_bounds): New.
(chkp_function_value_bounds): New.
(setup_incoming_vararg_bounds): New.
(function_arg): Update hook description with new possible return
value CONST_INT.
* targhooks.h (default_load_bounds_for_arg): New.
(default_store_bounds_for_arg): New.
(default_load_returned_bounds): New.
(default_store_returned_bounds): New.
(default_chkp_bound_type): New.
(default_chkp_bound_mode): New.
(default_builtin_chkp_function): New.
(default_chkp_function_value_bounds): New.
(default_chkp_make_bounds_constant): New.
(default_chkp_initialize_bounds): New.
(default_setup_incoming_vararg_bounds): New.
* targhooks.c (default_load_bounds_for_arg): New.
(default_store_bounds_for_arg): New.
(default_load_returned_bounds): New.
(default_store_returned_bounds): New.
(default_chkp_bound_type): New.
(default_chkp_bound_mode); New.
(default_builtin_chkp_function): New.
(default_chkp_function_value_bounds): New.
(default_chkp_make_bounds_constant): New.
(default_chkp_initialize_bounds): New.
(default_setup_incoming_vararg_bounds): New.
* builtin-types.def (BT_BND): New.
(BT_FN_PTR_CONST_PTR): New.
(BT_FN_CONST_PTR_CONST_PTR): New.
(BT_FN_BND_CONST_PTR): New.
(BT_FN_CONST_PTR_BND): New.
(BT_FN_PTR_CONST_PTR_SIZE): New.
(BT_FN_PTR_CONST_PTR_CONST_PTR): New.
(BT_FN_VOID_PTRPTR_CONST_PTR): New.
(BT_FN_VOID_CONST_PTR_SIZE): New.
(BT_FN_VOID_PTR_BND): New.
(BT_FN_CONST_PTR_CONST_PTR_CONST_PTR): New.
(BT_FN_BND_CONST_PTR_SIZE): New.
(BT_FN_PTR_CONST_PTR_CONST_PTR_SIZE): New.
(BT_FN_VOID_CONST_PTR_BND_CONST_PTR): New.
* chkp-builtins.def: New.
* builtins.def: include chkp-builtins.def.
(DEF_CHKP_BUILTIN): New.
* builtins.c: Include tree-chkp.h and rtl-chkp.h.
(expand_builtin): Support BUILT_IN_CHKP_INIT_PTR_BOUNDS,
BUILT_IN_CHKP_NULL_PTR_BOUNDS, BUILT_IN_CHKP_COPY_PTR_BOUNDS,
BUILT_IN_CHKP_CHECK_PTR_LBOUNDS, BUILT_IN_CHKP_CHECK_PTR_UBOUNDS,
BUILT_IN_CHKP_CHECK_PTR_BOUNDS, BUILT_IN_CHKP_SET_PTR_BOUNDS,
BUILT_IN_CHKP_NARROW_PTR_BOUNDS, BUILT_IN_CHKP_STORE_PTR_BOUNDS,
BUILT_IN_CHKP_GET_PTR_LBOUND, BUILT_IN_CHKP_GET_PTR_UBOUND,
BUILT_IN_CHKP_BNDMK, BUILT_IN_CHKP_BNDSTX, BUILT_IN_CHKP_BNDCL,
BUILT_IN_CHKP_BNDCU, BUILT_IN_CHKP_BNDLDX, BUILT_IN_CHKP_BNDRET,
BUILT_IN_CHKP_INTERSECT, BUILT_IN_CHKP_NARROW,
BUILT_IN_CHKP_EXTRACT_LOWER, BUILT_IN_CHKP_EXTRACT_UPPER.
(std_expand_builtin_va_start): Init bounds for va_list.
* cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add
__CHKP__ macro when Pointer Bounds Checker is on.
* params.def (PARAM_CHKP_MAX_CTOR_SIZE): New.
* passes.def (pass_ipa_chkp_versioning): New.
(pass_early_local_passes): Renamed to pass_build_ssa_passes.
(pass_fixup_cfg): Moved to pass_chkp_instrumentation_passes.
(pass_chkp_instrumentation_passes): New.
(pass_ipa_chkp_produce_thunks): New.
(pass_local_optimization_passes): New.
(pass_chkp_opt): New.
* tree-pass.h (make_pass_ipa_chkp_versioning): New.
(make_pass_ipa_chkp_produce_thunks): New.
(make_pass_chkp): New.
(make_pass_chkp_opt): New.
(make_pass_early_local_passes): Renamed to ...
(make_pass_build_ssa_passes): This.
(make_pass_chkp_instrumentation_passes): New.
(make_pass_local_optimization_passes): New.
* passes.c (pass_manager::execute_early_local_passes): Execute
early passes in three steps.
(execute_all_early_local_passes): Renamed to ...
(execute_build_ssa_passes): This.
(pass_data_early_local_passes): Renamed to ...
(pass_data_build_ssa_passes): This.
(pass_early_local_passes): Renamed to ...
(pass_build_ssa_passes): This.
(pass_data_chkp_instrumentation_passes): New.
(pass_chkp_instrumentation_passes): New.
(pass_data_local_optimization_passes): New.
(pass_local_optimization_passes): New.
(make_pass_early_local_passes): Renamed to ...
(make_pass_build_ssa_passes): This.
(make_pass_chkp_instrumentation_passes): New.
(make_pass_local_optimization_passes): New.
* c-family/c.opt (fcheck-pointer-bounds): New.
(fchkp-check-incomplete-type): New.
(fchkp-zero-input-bounds-for-main): New.
(fchkp-first-field-has-own-bounds): New.
(fchkp-narrow-bounds): New.
(fchkp-narrow-to-innermost-array): New.
(fchkp-optimize): New.
(fchkp-use-fast-string-functions): New.
(fchkp-use-nochk-string-functions): New.
(fchkp-use-static-bounds): New.
(fchkp-use-static-const-bounds): New.
(fchkp-treat-zero-dynamic-size-as-infinite): New.
(fchkp-check-read): New.
(fchkp-check-write): New.
(fchkp-store-bounds): New.
(fchkp-instrument-calls): New.
(fchkp-instrument-marked-only): New.
(Wchkp): New.
* c-family/c-common.c (handle_bnd_variable_size_attribute): New.
(handle_bnd_legacy): New.
(handle_bnd_instrument): New.
(c_common_attribute_table): Add bnd_variable_size, bnd_legacy
and bnd_instrument. Fix documentation.
(c_common_format_attribute_table): Likewsie.
* toplev.c: include tree-chkp.h.
(process_options): Check Pointer Bounds Checker is supported.
(compile_file): Add chkp_finish_file call.
* ipa-cp.c (initialize_node_lattices): Use cgraph_local_p
to handle instrumentation clones properly.
(propagate_constants_accross_call): Do not propagate
through instrumentation thunks.
* ipa-pure-const.c (propagate_pure_const): Support
IPA_REF_CHKP.
* ipa-inline.c (early_inliner): Check edge has summary allocated.
* ipa-split.c: Include tree-chkp.h.
(find_retbnd): New.
(split_part_set_ssa_name_p): New.
(consider_split): Do not split retbnd and retval
producers.
(insert_bndret_call_after): new.
(split_function): Propagate Pointer Bounds Checker
instrumentation marks and handle returned bounds.
* tree-ssa-sccvn.h (vn_reference_op_struct): Transform opcode
into bit field and add with_bounds field.
* tree-ssa-sccvn.c (copy_reference_ops_from_call): Set
with_bounds field for instrumented calls.
* tree-ssa-pre.c (create_component_ref_by_pieces_1): Restore
CALL_WITH_BOUNDS_P flag for calls.
* tree-ssa-ccp.c: Include tree-chkp.h.
(insert_clobber_before_stack_restore): Handle
BUILT_IN_CHKP_BNDRET calls.
* tree-ssa-dce.c: Include tree-chkp.h.
(propagate_necessity): For free call fed by alloc check
bounds are also provided by the same alloc.
(eliminate_unnecessary_stmts): Handle BUILT_IN_CHKP_BNDRET
used by free calls.
* tree-inline.c: Include tree-chkp.h.
(declare_return_variable): Add arg holding
returned bounds slot. Create and initialize returned bounds var.
(remap_gimple_stmt): Handle returned bounds.
Return sequence of statements instead of a single statement.
(insert_init_stmt): Add declaration.
(remap_gimple_seq): Adjust to new remap_gimple_stmt signature.
(copy_bb): Adjust to changed return type of remap_gimple_stmt.
Properly handle bounds in va_arg_pack and va_arg_pack_len.
(expand_call_inline): Handle returned bounds. Add bounds copy
for generated mem to mem assignments.
* tree-inline.h (copy_body_data): Add fields retbnd and
assign_stmts.
* value-prof.c: Include tree-chkp.h.
(gimple_ic): Support returned bounds.
* ipa.c (cgraph_build_static_cdtor_1): Support contructors
with "chkp ctor" and "bnd_legacy" attributes.
(symtab_remove_unreachable_nodes): Keep initial values for
pointer bounds to be used for checks eliminations.
(process_references): Handle IPA_REF_CHKP.
(walk_polymorphic_call_targets): Likewise.
* ipa-visibility.c (cgraph_externally_visible_p): Mark
instrumented 'main' as externally visible.
(function_and_variable_visibility): Filter instrumentation
thunks.
* cgraph.h (cgraph_thunk_info): Add add_pointer_bounds_args
field.
(cgraph_node): Add instrumented_version, orig_decl and
instrumentation_clone fields.
(symtab_node::get_alias_target): Allow IPA_REF_CHKP reference.
(varpool_node): Add need_bounds_init field.
(cgraph_local_p): New.
* cgraph.c: Include tree-chkp.h.
(cgraph_node::remove): Fix instrumented_version
of the referenced node if any.
(cgraph_node::dump): Dump instrumentation_clone and
instrumented_version fields.
(cgraph_node::verify_node): Check correctness of IPA_REF_CHKP
references and instrumentation thunks.
(cgraph_can_remove_if_no_direct_calls_and_refs_p): Keep
all not instrumented instrumentation clones alive.
(cgraph_redirect_edge_call_stmt_to_callee): Support
returned bounds.
* cgraphbuild.c (rebuild_cgraph_edges): Rebuild IPA_REF_CHKP
reference.
(cgraph_rebuild_references): Likewise.
* cgraphunit.c: Include tree-chkp.h.
(assemble_thunks_and_aliases): Skip thunks calling instrumneted
function version.
(varpool_finalize_decl): Register statically initialized decls
in Pointer Bounds Checker.
(walk_polymorphic_call_targets): Do not mark generated call to
__builtin_unreachable as with_bounds.
(output_weakrefs): If there are both instrumented and original
versions, output only one of them.
(cgraph_node::expand_thunk): Set with_bounds flag
for created call statement.
* ipa-ref.h (ipa_ref_use): Add IPA_REF_CHKP.
(ipa_ref): increase size of use field.
* symtab.c (ipa_ref_use_name): Add element for IPA_REF_CHKP.
* varpool.c (dump_varpool_node): Dump need_bounds_init field.
(ctor_for_folding): Do not fold constant bounds vars.
* lto-streamer.h (LTO_minor_version): Change minor version from
0 to 1.
* lto-cgraph.c (compute_ltrans_boundary): Keep initial values for
pointer bounds.
(lto_output_node): Output instrumentation_clone,
thunk.add_pointer_bounds_args and orig_decl field.
(lto_output_ref): Adjust to new ipa_ref::use field size.
(input_overwrite_node): Read instrumentation_clone field.
(input_node): Read thunk.add_pointer_bounds_args and orig_decl
fields.
(input_ref): Adjust to new ipa_ref::use field size.
(input_cgraph_1): Compute instrumented_version fields and restore
IDENTIFIER_TRANSPARENT_ALIAS chains.
(lto_output_varpool_node): Output
need_bounds_init value.
(input_varpool_node): Read need_bounds_init value.
* lto-partition.c (add_symbol_to_partition_1): Keep original
and instrumented versions together.
(privatize_symbol_name): Restore transparent alias chain if required.
(add_references_to_partition): Add references to pointer bounds vars.
* dbxout.c (dbxout_type): Ignore POINTER_BOUNDS_TYPE.
* dwarf2out.c (gen_subprogram_die): Ignore bound args.
(gen_type_die_with_usage): Skip pointer bounds.
(dwarf2out_global_decl): Likewise.
(is_base_type): Support POINTER_BOUNDS_TYPE.
(gen_formal_types_die): Skip pointer bounds.
(gen_decl_die): Likewise.
* var-tracking.c (vt_add_function_parameters): Skip
bounds parameters.
* ipa-icf.c (sem_function::merge): Do not merge when instrumentation
thunk still exists.
(sem_variable::merge): Reset need_bounds_init flag.
* doc/extend.texi: Document Pointer Bounds Checker built-in functions
and attributes.
* doc/tm.texi.in (TARGET_LOAD_BOUNDS_FOR_ARG): New.
(TARGET_STORE_BOUNDS_FOR_ARG): New.
(TARGET_LOAD_RETURNED_BOUNDS): New.
(TARGET_STORE_RETURNED_BOUNDS): New.
(TARGET_CHKP_FUNCTION_VALUE_BOUNDS): New.
(TARGET_SETUP_INCOMING_VARARG_BOUNDS): New.
(TARGET_BUILTIN_CHKP_FUNCTION): New.
(TARGET_CHKP_BOUND_TYPE): New.
(TARGET_CHKP_BOUND_MODE): New.
(TARGET_CHKP_MAKE_BOUNDS_CONSTANT): New.
(TARGET_CHKP_INITIALIZE_BOUNDS): New.
* doc/tm.texi: Regenerated.
* doc/rtl.texi (MODE_POINTER_BOUNDS): New.
(BND32mode): New.
(BND64mode): New.
* doc/invoke.texi (-mmpx): New.
(-mno-mpx): New.
(chkp-max-ctor-size): New.
* config/i386/constraints.md (w): New.
(Ti): New.
(Tb): New.
* config/i386/i386-c.c (ix86_target_macros_internal): Add __MPX__.
* config/i386/i386-modes.def (BND32): New.
(BND64): New.
* config/i386/i386-protos.h (ix86_bnd_prefixed_insn_p): New.
* config/i386/i386.c: Include tree-chkp.h, rtl-chkp.h, tree-iterator.h.
(regclass_map): Add bound registers.
(dbx_register_map): Likewise.
(dbx64_register_map): Likewise.
(svr4_dbx_register_map): Likewise.
(isa_opts): Add -mmpx.
(PTA_MPX): New.
(ix86_option_override_internal): Support MPX ISA.
(ix86_conditional_register_usage): Support bound registers.
(ix86_code_end): Add MPX bnd prefix.
(output_set_got): Likewise.
(print_reg): Avoid prefixes for bound registers.
(ix86_print_operand): Add '!' (MPX bnd) print prefix support.
(ix86_print_operand_punct_valid_p): Likewise.
(ix86_print_operand_address): Support UNSPEC_BNDMK_ADDR and
UNSPEC_BNDLDX_ADDR.
(ix86_output_call_insn): Add MPX bnd prefix to branch instructions.
(ix86_class_likely_spilled_p): Add bound regs support.
(ix86_hard_regno_mode_ok): Likewise.
(x86_order_regs_for_local_alloc): Likewise.
(ix86_bnd_prefixed_insn_p): New.
(ix86_builtins): Add
IX86_BUILTIN_BNDMK, IX86_BUILTIN_BNDSTX,
IX86_BUILTIN_BNDLDX, IX86_BUILTIN_BNDCL,
IX86_BUILTIN_BNDCU, IX86_BUILTIN_BNDRET,
IX86_BUILTIN_BNDNARROW, IX86_BUILTIN_BNDINT,
IX86_BUILTIN_SIZEOF, IX86_BUILTIN_BNDLOWER,
IX86_BUILTIN_BNDUPPER.
(builtin_isa): Add leaf_p and nothrow_p fields.
(def_builtin): Initialize leaf_p and nothrow_p.
(ix86_add_new_builtins): Handle leaf_p and nothrow_p
flags.
(bdesc_mpx): New.
(bdesc_mpx_const): New.
(ix86_init_mpx_builtins): New.
(ix86_init_builtins): Call ix86_init_mpx_builtins.
(ix86_emit_cmove): New.
(ix86_emit_move_max): New.
(ix86_expand_builtin): Expand IX86_BUILTIN_BNDMK,
IX86_BUILTIN_BNDSTX, IX86_BUILTIN_BNDLDX,
IX86_BUILTIN_BNDCL, IX86_BUILTIN_BNDCU,
IX86_BUILTIN_BNDRET, IX86_BUILTIN_BNDNARROW,
IX86_BUILTIN_BNDINT, IX86_BUILTIN_SIZEOF,
IX86_BUILTIN_BNDLOWER, IX86_BUILTIN_BNDUPPER.
(ix86_function_value_bounds): New.
(ix86_builtin_mpx_function): New.
(ix86_get_arg_address_for_bt): New.
(ix86_load_bounds): New.
(ix86_store_bounds): New.
(ix86_load_returned_bounds): New.
(ix86_store_returned_bounds): New.
(ix86_mpx_bound_mode): New.
(ix86_make_bounds_constant): New.
(ix86_initialize_bounds):
(TARGET_LOAD_BOUNDS_FOR_ARG): New.
(TARGET_STORE_BOUNDS_FOR_ARG): New.
(TARGET_LOAD_RETURNED_BOUNDS): New.
(TARGET_STORE_RETURNED_BOUNDS): New.
(TARGET_CHKP_BOUND_MODE): New.
(TARGET_BUILTIN_CHKP_FUNCTION): New.
(TARGET_CHKP_FUNCTION_VALUE_BOUNDS): New.
(TARGET_CHKP_MAKE_BOUNDS_CONSTANT): New.
(TARGET_CHKP_INITIALIZE_BOUNDS): New.
(ix86_option_override_internal): Do not
support x32 with MPX.
(init_cumulative_args): Init stdarg, bnd_regno, bnds_in_bt
and force_bnd_pass.
(function_arg_advance_32): Return number of used integer
registers.
(function_arg_advance_64): Likewise.
(function_arg_advance_ms_64): Likewise.
(ix86_function_arg_advance): Handle pointer bounds.
(ix86_function_arg): Likewise.
(ix86_function_value_regno_p): Mark fisrt bounds registers as
possible function value.
(ix86_function_value_1): Handle pointer bounds type/mode
(ix86_return_in_memory): Likewise.
(ix86_print_operand): Analyse insn to decide abounf "bnd" prefix.
(ix86_expand_call): Generate returned bounds.
(ix86_setup_incoming_vararg_bounds): New.
(ix86_va_start): Initialize bounds for pointers in va_list.
(TARGET_SETUP_INCOMING_VARARG_BOUNDS): New.
* config/i386/i386.h (TARGET_MPX): New.
(TARGET_MPX_P): New.
(FIRST_PSEUDO_REGISTER): Fix to new value.
(FIXED_REGISTERS): Add bound registers.
(CALL_USED_REGISTERS): Likewise.
(REG_ALLOC_ORDER): Likewise.
(HARD_REGNO_NREGS): Likewise.
(VALID_BND_REG_MODE): New.
(FIRST_BND_REG): New.
(LAST_BND_REG): New.
(reg_class): Add BND_REGS.
(REG_CLASS_NAMES): Likewise.
(REG_CLASS_CONTENTS): Likewise.
(BND_REGNO_P): New.
(ANY_BND_REG_P): New.
(BNDmode): New.
(HI_REGISTER_NAMES): Add bound registers.
(ix86_args): Add bnd_regno, bnds_in_bt, force_bnd_pass and
stdarg fields.
* config/i386/i386.md (UNSPEC_BNDMK): New.
(UNSPEC_BNDMK_ADDR): New.
(UNSPEC_BNDSTX): New.
(UNSPEC_BNDLDX): New.
(UNSPEC_BNDLDX_ADDR): New.
(UNSPEC_BNDCL): New.
(UNSPEC_BNDCU): New.
(UNSPEC_BNDCN): New.
(UNSPEC_MPX_FENCE): New.
(UNSPEC_SIZEOF): New.
(BND0_REG): New.
(BND1_REG): New.
(type): Add mpxmov, mpxmk, mpxchk, mpxld, mpxst.
(length_immediate): Support mpxmov, mpxmk, mpxchk, mpxld, mpxst.
(prefix_rep): Check for bnd prefix.
(prefix_0f): Support mpxmov, mpxmk, mpxchk, mpxld, mpxst.
(length_nobnd): New.
(length): Use length_nobnd when specified.
(memory): Support mpxmov, mpxmk, mpxchk, mpxld, mpxst.
(BND): New.
(bnd_ptr): New.
(BNDCHECK): New.
(bndcheck): New.
(*jcc_1): Add MPX bnd prefix.
(*jcc_2): Likewise.
(jump): Likewise.
(*indirect_jump): Likewise.
(*tablejump_1): Likewise.
(simple_return_internal): Likewise.
(simple_return_internal_long): Likewise.
(simple_return_pop_internal): Likewise.
(simple_return_indirect_internal): Likewise.
(<mode>_mk): New.
(*<mode>_mk): New.
(mov<mode>): New.
(*mov<mode>_internal_mpx): New.
(<mode>_<bndcheck>): New.
(*<mode>_<bndcheck>): New.
(<mode>_ldx): New.
(*<mode>_ldx): New.
(<mode>_stx): New.
(*<mode>_stx): New.
move_size_reloc_<mode>): New.
* config/i386/predicates.md (address_mpx_no_base_operand): New.
(address_mpx_no_index_operand): New.
(bnd_mem_operator): New.
(symbol_operand): New.
(x86_64_immediate_size_operand): New.
* config/i386/i386.opt (mmpx): New.
* config/i386/i386-builtin-types.def (BND): New.
(ULONG): New.
(BND_FTYPE_PCVOID_ULONG): New.
(VOID_FTYPE_BND_PCVOID): New.
(VOID_FTYPE_PCVOID_PCVOID_BND): New.
(BND_FTYPE_PCVOID_PCVOID): New.
(BND_FTYPE_PCVOID): New.
(BND_FTYPE_BND_BND): New.
(PVOID_FTYPE_PVOID_PVOID_ULONG): New.
(PVOID_FTYPE_PCVOID_BND_ULONG): New.
(ULONG_FTYPE_VOID): New.
(PVOID_FTYPE_BND): New.
gcc/testsuite/
2014-11-05 Ilya Enkovich <ilya.enkovich@intel.com>
* gcc.target/i386/chkp-builtins-1.c: New.
* gcc.target/i386/chkp-builtins-2.c: New.
* gcc.target/i386/chkp-builtins-3.c: New.
* gcc.target/i386/chkp-builtins-4.c: New.
* gcc.target/i386/chkp-remove-bndint-1.c: New.
* gcc.target/i386/chkp-remove-bndint-2.c: New.
* gcc.target/i386/chkp-const-check-1.c: New.
* gcc.target/i386/chkp-const-check-2.c: New.
* gcc.target/i386/chkp-lifetime-1.c: New.
* gcc.dg/pr37858.c: Replace early_local_cleanups pass name
with build_ssa_passes.
From-SVN: r217125
|
|
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
|
|
register.
gcc/
* doc/rtl.texi (RTX_AUTOINC): Document that the first operand is
the automodified register.
From-SVN: r214890
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