embedded-4_9-branch/gcc/ChangeLog.arm

   1 2015-06-03  Hale Wang  <hale.wang@arm.com>
   2
   3         Backport from mainline r222306
   4         2015-04-22  Hale Wang  <hale.wang@arm.com>
   5                     Terry Guo  <terry.guo@arm.com>
   6
   7         PR rtl-optimization/64818
   8         * combine.c (can_combine_p): Don't combine user-specified
   9         register if it is in an asm input.
  10
  11 2015-03-02  Terry Guo  <terry.guo@arm.com>
  12
  13         Backport from mainline r220999
  14         2015-02-26  Terry Guo  <terry.guo@arm.com>
  15
  16         * config/arm/arm-cores.def (cortex-m7): Add flag FL_NO_VOLATILE_CE.
  17         * config/arm/arm-protos.h (FL_NO_VOLATILE_CE): New flag.
  18         (arm_arch_no_volatile_ce): Declare new global variable.
  19         * config/arm/arm.c (arm_arch_no_volatile_ce): New global variable.
  20         (arm_option_override): Assign value to arm_arch_no_volatile_ce.
  21         * config/arm/arm.h (arm_arch_no_volatile_ce): Declare it.
  22         (TARGET_NO_VOLATILE_CE): New macro.
  23         * config/arm/arm.md (arm_comparison_operator): Disabled if not allow
  24         volatile memory access in IT block
  25
  26 2015-02-27  Terry Guo  <terry.guo@arm.com>
  27
  28         * config/arm/t-rmprofile (Multilibs for M7): Slightly adjust the path.
  29
  30 2015-01-29  Terry Guo  <terry.guo@arm.com>
  31
  32         Backport from mainline r220197
  33         2015-01-28  Terry Guo  <terry.guo@arm.com>
  34
  35         * config/arm/thumb1.md (*thumb1_movpc_insn): New insn pattern.
  36
  37 2015-01-29  Terry Guo  <terry.guo@arm.com>
  38
  39         Backport from mainline r220106
  40         2015-01-26  Terry Guo  <terry.guo@arm.com>
  41
  42         * config/arm/arm.c (arm_file_start): Update the assignment of
  43         Tag_ABI_HardFP_use.
  44
  45 2015-01-15  Terry Guo  <terry.guo@arm.com>
  46
  47         * config/arm/t-rmprofile (Multilibs for M7): Five new multilib
  48         variants for Cortex-M7.
  49
  50 2014-12-02  Terry Guo  <terry.guo@arm.com>
  51
  52         Backport from mainline r214214
  53         2014-08-20  Terry Guo  <terry.guo@arm.com>
  54
  55         * config/arm/thumb1.md (64bit splitter): Replace const_double_operand
  56         with immediate_operand.
  57
  58 2014-12-02  Terry Guo  <terry.guo@arm.com>
  59
  60         Backport from mainline r211817
  61         2014-06-19  Terry Guo  <terry.guo@arm.com>
  62
  63         * config/arm/thumb1.md (define_split): Split 64bit constant in earlier
  64         stage.
  65
  66 2014-11-19  Terry Guo  <terry.guo@arm.com>
  67
  68         Backport from mainline r217687
  69         2014-11-17  Terry Guo  <terry.guo@arm.com>
  70
  71         * config/arm/arm.c (arm_issue_rate): Return 2 for cortex-m7.
  72         * config/arm/arm.md (generic_sched): Exclude cortex-m7.
  73         (generic_vfp): Likewise.
  74         * config/arm/cortex-m7.md: Pipeline description for cortex-m7.
  75
  76 2014-11-10  Hale Wang  <hale.wang@arm.com>
  77
  78         Backport from mainline r217175
  79         2014-11-06  Hale Wang  <hale.wang@arm.com>
  80
  81         * config/arm/arm-cores.def: Add support for
  82         -mcpu=cortex-m0.small-multiply,cortex-m0plus.small-multiply,
  83         cortex-m1.small-multiply.
  84         * config/arm/arm-tables.opt: Regenerate.
  85         * config/arm/arm-tune.md: Regenerate.
  86         * config/arm/arm.c: Update the rtx-costs for MUL.
  87         * config/arm/bpabi.h: Handle
  88         -mcpu=cortex-m0.small-multiply,cortex-m0plus.small-multiply,
  89         cortex-m1.small-multiply.
  90         * doc/invoke.texi: Document
  91         -mcpu=cortex-m0.small-multiply,cortex-m0plus.small-multiply,
  92         cortex-m1.small-multiply.
  93
  94 2014-11-10  Hale Wang  <hale.wang@arm.com>
  95
  96         Backport from mainline r217173
  97         2014-11-06  Hale Wang  <hale.wang@arm.com>
  98
  99         * config/arm/arm.c: Add cortex-m7 tune.
 100         * config/arm/arm-cores.def: Use cortex-m7 tune.
 101
 102 2014-11-03  Hale Wang  <hale.wang@arm.com>
 103
 104         * Makefile.in (tree-switch-shortcut): New object file.
 105         * common.opt (-ftree-switch-shortcut): New option.
 106         * opts.c: Likewise.
 107         * params.def: Define the maxinum number of instructions and paths
 108         to duplicate when shortcutting a switch.
 109         * passes.def (pass_tree_switch_shortcut): New pass.
 110         * timevar.def (TV_TREE_SWITCH_SHORTCUT): Define new value.
 111         * tree-pass.h (make_pass_tree_switch_shortcut): New pass.
 112         * tree-switch-shortcut.c: New file.
 113
 114 2014-10-08  Zhenqiang Chen  <zhenqiang.chen@arm.com>
 115
 116         Backport from mainline r215444
 117         2014-09-22  Zhenqiang Chen  <zhenqiang.chen@arm.com>
 118
 119         * config/arm/arm.c: #include "tm-constrs.h"
 120         (thumb1_size_rtx_costs): Adjust rtx costs.
 121
 122 2014-10-08  Zhenqiang Chen  <zhenqiang.chen@arm.com>
 123
 124         Backport from mainline r215540
 125         2014-09-24  Zhenqiang Chen  <zhenqiang.chen@arm.com>
 126
 127         * ira-color.c (assign_hard_reg): Ignore conflict cost if the
 128         HARD_REGNO is not availabe for CONFLICT_A.
 129
 130         testsuite/ChangeLog:
 131         2014-09-24  Zhenqiang Chen  <zhenqiang.chen@arm.com>
 132
 133         * gcc.target/arm/pr63210.c: New test.
 134
 135 2014-10-08  Zhenqiang Chen  <zhenqiang.chen@arm.com>
 136
 137         Backport from mainline r213691
 138         2014-08-07  Zhenqiang Chen  <zhenqiang.chen@arm.com>
 139
 140         * tree-ssa-loop-ivopts.c (get_address_cost): Try aligned offset.
 141
 142         testsuite/ChangeLog
 143         2014-08-07  Zhenqiang Chen  <zhenqiang.chen@arm.com>
 144
 145         * gcc.target/arm/get_address_cost_aligned_max_offset.c: New test.
 146
 147 2014-10-06  Terry Guo  <terry.guo@arm.com>
 148
 149         Backport from mainline r215711
 150         2014-09-30  Terry Guo  <terry.guo@arm.com>
 151
 152         * config/arm/arm-cores.def (cortex-m7): New core name.
 153         * config/arm/arm-fpus.def (fpv5-sp-d16): New fpu name.
 154         (fpv5-d16): Ditto.
 155         * config/arm/arm-tables.opt: Regenerated.
 156         * config/arm/arm-tune.md: Regenerated.
 157         * config/arm/arm.h (TARGET_VFP5): New macro.
 158         * config/arm/bpabi.h (BE8_LINK_SPEC): Include cortex-m7.
 159         * config/arm/vfp.md (<vrint_pattern><SDF:mode>2,
 160         smax<mode>3, smin<mode>3): Enabled for FPU FPv5.
 161         * doc/invoke.texi: Document new cpu and fpu names.
 162
 163 2014-10-05  Terry Guo  <terry.guo@arm.com>
 164
 165         Backport from mainline r212750
 166         2014-07-17  Terry Guo  <terry.guo@arm.com>
 167
 168         * config/arm/types.md (alu_reg): Replaced by alu_sreg and alu_dsp_reg.
 169         (alus_reg): Renamed to alus_sreg.
 170         * config/arm/arm-fixed.md: Change type of non-dsp instructions
 171         from alu_reg to alu_sreg.  Change type of dsp instructions from
 172         alu_reg to alu_dsp_reg.
 173         * config/arm/thumb1.md: Likewise.
 174         * config/arm/thumb2.md: Likewise.
 175         * config/arm/arm.c (cortexa7_older_only): Use new ALU type names.
 176         * config/arm/arm1020e.md (1020alu_op): Replace alu_reg and alus_reg
 177         with alu_sreg and alus_sreg.
 178         * config/arm/arm1026ejs.md (alu_op): Likewise.
 179         * config/arm/arm1136jfs.md (11_alu_op): Likewise.
 180         * config/arm/arm926ejs.md (9_alu_op): Likewise.
 181         * config/arm/fa526.md (526_alu_op): Likewise.
 182         * config/arm/fa606te.md (606te_alu_op): Likewise.
 183         * config/arm/fa626te.md (626te_alu_op): Likewise.
 184         * config/arm/fa726te.md (726te_alu_op): Likewise.
 185         * config/arm/fmp626.md (mp626_alu_op): Likewise.
 186         * config/arm/arm.md (core_cycles): Replace alu_reg and alus_reg with
 187         alu_sreg, alu_dsp_reg and alus_sreg.
 188         * config/arm/cortex-a15.md (cortex_a15_alu): Likewise.
 189         * config/arm/cortex-a5.md (cortex_a5_alu): Likewise.
 190         * config/arm/cortex-a53.md (cortex_a53_alu): Likewise.
 191         * config/arm/cortex-a7.md (cortex_a7_alu_sreg): Likewise.
 192         * config/arm/cortex-a8.md (cortex_a8_alu): Likewise.
 193         * config/arm/cortex-a9.md (cortex_a9_dp): Likewise.
 194         * config/arm/cortex-m4.md (cortex_m4_alu): Likewise.
 195         * config/arm/cortex-r4.md (cortex_r4_alu): Likewise.
 196         * config/arm/marvell-pj4.md (pj4_alu, pj4_alu_conds): Likewise.
 197         * config/aarch64/aarch64.md (*addsi3_aarch64, *addsi3_aarch64_uxtw,
 198         subsi3, *adddi3_aarch64, *subsi3_uxtw, subdi3, absdi2, neg<mode>2,
 199         *negsi2_uxtw, tlsle_small_<mode>): Rename type alu_reg to alu_sreg.
 200         (add<mode>3_compare0, *addsi3_compare0_uxtw, *add<mode>3nr_compare0,
 201         sub<mode>3_compare0, *compare_neg<mode>, *neg<mode>2_compare0,
 202         subsi3_compare0_uxtw, *negsi2_compare0_uxtw, *cmp<mode>): Rename type
 203         alus_reg to alus_sreg.
 204
 205 2014-10-05  Terry Guo  <terry.guo@arm.com>
 206
 207         Backport from mainline r211443
 208         2014-06-11  Terry Guo  <terry.guo@arm.com>
 209
 210         * config/arm/arm.md (*thumb1_adddi3): Move into new file thumb1.md.
 211         (*thumb1_addsi3): Ditto.
 212         (*thumb_subdi3): Ditto.
 213         (thumb1_subsi3_insn): Ditto.
 214         (*thumb_mulsi3): Ditto.
 215         (*thumb_mulsi3_v6): Ditto.
 216         (*thumb1_andsi3_insn): Ditto.
 217         (thumb1_bicsi3): Ditto.
 218         (*thumb1_iorsi3_insn): Ditto.
 219         (*thumb1_xorsi3_insn): Ditto.
 220         (*thumb1_ashlsi3): Ditto.
 221         (*thumb1_ashrsi3): Ditto.
 222         (*thumb1_lshrsi3): Ditto.
 223         (*thumb1_rotrsi3): Ditto.
 224         (*thumb1_negdi2): Ditto.
 225         (*thumb1_negsi2): Ditto.
 226         (*thumb1_abssi2): Ditto.
 227         (*thumb1_neg_abssi2): Ditto.
 228         (*thumb1_one_cmplsi2): Ditto.
 229         (*thumb1_zero_extendhisi2): Ditto.
 230         (*thumb1_zero_extendqisi2): Ditto.
 231         (*thumb1_zero_extendqisi2_v6): Ditto.
 232         (thumb1_extendhisi2): Ditto.
 233         (thumb1_extendqisi2): Ditto.
 234         (*thumb1_movdi_insn): Ditto.
 235         (*thumb1_movsi_insn): Ditto.
 236         (*thumb1_movhi_insn): Ditto.
 237         (thumb_movhi_clobber): Ditto.
 238         (*thumb1_movqi_insn): Ditto.
 239         (*thumb1_movhf): Ditto.
 240         (*thumb1_movsf_insn): Ditto.
 241         (*thumb_movdf_insn): Ditto.
 242         (movmem12b): Ditto.
 243         (movmem8b): Ditto.
 244         (cbranchqi4): Ditto.
 245         (cbranchsi4_insn): Ditto.
 246         (cbranchsi4_scratch): Ditto.
 247         (*negated_cbranchsi4): Ditto.
 248         (*tbit_cbranch): Ditto.
 249         (*tlobits_cbranch): Ditto.
 250         (*tstsi3_cbranch): Ditto.
 251         (*cbranchne_decr1): Ditto.
 252         (*addsi3_cbranch): Ditto.
 253         (*addsi3_cbranch_scratch): Ditto.
 254         (*thumb_cmpdi_zero): Ditto.
 255         (cstoresi_eq0_thumb1): Ditto.
 256         (cstoresi_ne0_thumb1): Ditto.
 257         (*cstoresi_eq0_thumb1_insn): Ditto.
 258         (*cstoresi_ne0_thumb1_insn): Ditto.
 259         (cstoresi_nltu_thumb1): Ditto.
 260         (cstoresi_ltu_thumb1): Ditto.
 261         (thumb1_addsi3_addgeu): Ditto.
 262         (*thumb_jump): Ditto.
 263         (*call_reg_thumb1_v5): Ditto.
 264         (*call_reg_thumb1): Ditto.
 265         (*call_value_reg_thumb1_v5): Ditto.
 266         (*call_value_reg_thumb1): Ditto.
 267         (*call_insn): Ditto.
 268         (*call_value_insn): Ditto.
 269         (thumb1_casesi_internal_pic): Ditto.
 270         (thumb1_casesi_dispatch): Ditto.
 271         (*thumb1_indirect_jump): Ditto.
 272         (prologue_thumb1_interwork): Ditto.
 273         (*epilogue_insns): Ditto.
 274         (consttable_1): Ditto.
 275         (consttable_2): Ditto.
 276         (tablejump): Ditto.
 277         (*thumb1_tablejump): Ditto.
 278         (thumb_eh_return): Ditto.
 279         (define_peephole2): Two of them are thumb1 only and got moved into
 280         new file thumb1.md.
 281         (define_split): Six of them are thumb1 only and got moved into new
 282         file thumb1.md.
 283         * config/arm/thumb1.md: New file comprised of above thumb1 only
 284         patterns.
 285
 286 2014-09-30  Zhenqiang Chen  <zhenqiang.chen@arm.com>
 287
 288         * config/arm/arm.c (arm_option_override): Disable loop2_invariant
 289         pass when optimize_size and ira-loop-pressure is not enabled.
 290
 291 2014-05-12  Terry Guo  <terry.guo@arm.com>
 292
 293         * config.gcc (--with-multilib-list): Accept arm embedded cores.
 294         * configure.ac (with_multilib_list): Export for being used in arm
 295         embedded multilib fragment.
 296         * configure: Regenerated.
 297         * Makefile.in (with_multilib_list): Import for being used in
 298         multilib fragment.
 299         * config/arm/t-rmprofile: New multilib fragment for arm embedded
 300         cores.