* config/i386/constraints.md (k): New. (Yk): Ditto. * config/i386/i386.c (const regclass_map): Add new mask registers. (dbx_register_map): Ditto. (dbx64_register_map): Ditto. (svr4_dbx_register_map): Ditto. (ix86_conditional_register_usage): Squash mask registers if AVX512F is disabled. (ix86_preferred_reload_class): Disable constants for mask registers. (ix86_secondary_reload): Do spill of mask register using 32-bit insn. (ix86_hard_regno_mode_ok): Support new mask registers. (x86_order_regs_for_local_alloc): Ditto. * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Update. (FIXED_REGISTERS): Add new mask registers. (CALL_USED_REGISTERS): Ditto. (REG_ALLOC_ORDER): Ditto. (VALID_MASK_REG_MODE): New. (FIRST_MASK_REG): Ditto. (LAST_MASK_REG): Ditto. (reg_class): Add MASK_EVEX_REGS, MASK_REGS. (MAYBE_MASK_CLASS_P): New. (REG_CLASS_NAMES): Add MASK_EVEX_REGS, MASK_REGS. (REG_CLASS_CONTENTS): Ditto. (MASK_REGNO_P): New. (ANY_MASK_REG_P): Ditto. (HI_REGISTER_NAMES): Add new mask registers. * config/i386/i386.md (MASK0_REG, MASK1_REG, MASK2_REG, MASK3_REG, MASK4_REG, MASK5_REG, MASK6_REG, MASK7_REG): Constants for new mask registers. (attribute "type"): Add mskmov, msklog. (attribute "length_immediate"): Support them. (attribute "memory"): Ditto. (attribute "prefix_0f"): Ditto. (*movhi_internal): Support new mask registers. (*movqi_internal): Ditto. (define_split): Split out clobber pattern is a logic insn on mask registers. (*k<logic><mode>): New. (*andhi_1): Extend to support mask regs. (*andqi_1): Extend to support mask regs. (kandn<mode>): New. (define_split): Split and-not to and and not if operands are not mask regs. (*<code><mode>_1): Separate HI mode to new pattern... (*<code>hi_1): This. (*<code>qi_1): Extend to support mask regs. (kxnor<mode>): New. (kortestzhi): Ditto. (kortestchi): Ditto. (kunpckhi): Ditto. (*one_cmpl<mode>2_1): Remove HImode and handle it... (*one_cmplhi2_1): ...Here, now with mask registers support. (*one_cmplqi2_1): Support new mask registers. (HI/QImode arithmetics splitter): Don't split if mask registers are used. (HI/QImode not splitter): Ditto. * config/i386/predicated.md (mask_reg_operand): New. (general_reg_operand): Ditto. Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com> Co-Authored-By: Anna Tikhonova <anna.tikhonova@intel.com> Co-Authored-By: Ilya Tocar <ilya.tocar@intel.com> Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com> Co-Authored-By: Kirill Yukhin <kirill.yukhin@intel.com> Co-Authored-By: Maxim Kuznetsov <maxim.kuznetsov@intel.com> Co-Authored-By: Michael Zolotukhin <michael.v.zolotukhin@intel.com> Co-Authored-By: Sergey Lega <sergey.s.lega@intel.com> From-SVN: r202491
