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|
2011-10-10 Terry Guo <terry.guo@arm.com>
* config/arm/t-thumb2: Use thumb2 version library for Cortex-R5.
2011-09-28 Jiangning Liu <jiangning.liu@arm.com>
PR rtl-optimization/38644
* config/i386/i386.c (ix86_stack_using_red_zone): Change inline
to be extern.
(TARGET_STACK_USING_RED_ZONE): New.
* config/rs6000/rs6000.c (rs6000_stack_using_red_zone): New.
(TARGET_STACK_USING_RED_ZONE): New.
(offset_below_red_zone_p): Change to use new hook
TARGET_STACK_USING_RED_ZONE.
* doc/tm.texi (TARGET_STACK_USING_RED_ZONE): New.
* doc/tm.texi.in (TARGET_STACK_USING_RED_ZONE): New.
* sched-deps.c (sched_analyze_1): If the stack pointer is being
modified and stack red zone is not supported for ports, flush out
all memory references as they may become invalid if moved across
the stack adjustment.
* target.def (stack_using_red_zone): New.
* testsuite/gcc.target/arm/stack-red-zone.c: New.
2011-09-28 Terry Guo <terry.guo@arm.com>
Backport r173371 from mainline
2011-05-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* calls.c (emit_library_call_value_1): Invoke
promote_function_mode hook on libcall arguments.
* explow.c (promote_function_mode, promote_mode): Handle TYPE
argument being NULL.
* targhooks.c (default_promote_function_mode): Lisewise.
* config/s390/s390.c (s390_promote_function_mode): Likewise.
* config/sparc/sparc.c (sparc_promote_function_mode): Likewise.
* doc/tm.texi: Document that TYPE argument might be NULL.
2011-09-27 Jiangning Liu <jiangning.liu@arm.com>
No loop unroll for Os and option has higher priority.
* config/arm/arm-protos.h (unroll_loops): New.
(max_unroll_times): Removed.
* config/arm/arm.c (arm_default_unroll_times): Deleted.
(arm_cortex_m_unroll_times): Removed.
(arm_cortex_m_unroll_loops): New. Set flag_unroll_loops if
not set by users on command line.
(arm_slowmul_tune): Change arm_default_unroll_times to 0.
(arm_fastmul_tune, arm_xscale_tune, arm_9e_tune, arm_v6t2_tune,
arm_cortex_tune, arm_cortex_a9_tune, arm_fa726te_tune): Likewise.
(arm_cortex_v7m_tune): Change arm_cortex_m_unroll_times to
arm_cortex_m_unroll_loops.
(arm_cortex_v6m_tune): Likewise.
(arm_option_override): Change to set flag_unroll_loops and
max_unroll_times for optimization level >=2 and not for size.
2011-09-22 Joey Ye <joey.ye@arm.com>
Backport r178852 from mainline
2011-09-14 Julian Brown <julian@codesourcery.com>
* config/arm/arm.c (arm_override_options): Add unaligned_access
support.
(arm_file_start): Emit attribute for unaligned access as appropriate.
* config/arm/arm.md (UNSPEC_UNALIGNED_LOAD)
(UNSPEC_UNALIGNED_STORE): Add constants for unspecs.
(insv, extzv): Add unaligned-access support.
(extv): Change to expander. Likewise.
(extzv_t1, extv_regsi): Add helpers.
(unaligned_loadsi, unaligned_loadhis, unaligned_loadhiu)
(unaligned_storesi, unaligned_storehi): New.
(*extv_reg): New (previous extv implementation).
* config/arm/arm.opt (munaligned_access): Add option.
* config/arm/constraints.md (Uw): New constraint.
* expmed.c (store_bit_field_1): Adjust bitfield numbering according
to size of access, not size of unit, when BITS_BIG_ENDIAN !=
BYTES_BIG_ENDIAN. Don't use bitfield accesses for
volatile accesses when -fstrict-volatile-bitfields is in effect.
(extract_bit_field_1): Likewise.
Backport r172697 from mainline
2011-04-19 Wei Guozhi <carrot@google.com>
PR target/47855
* config/arm/arm-protos.h (thumb1_legitimate_address_p): New prototype.
* config/arm/arm.c (thumb1_legitimate_address_p): Remove the static
linkage.
* config/arm/constraints.md (Uu): New constraint.
* config/arm/arm.md (*arm_movqi_insn): Compute attr "length".
2011-09-21 Jiangning Liu <jiangning.liu@arm.com>
Tune loop unrolling for cortex-m
* config/arm/arm-cores.def (cortex-m0): Change to new tune
cortex_v6m.
(cortex-m1): Likewise.
* config/arm/arm-protos.h (max_unroll_times): New.
* config/arm/arm.c (arm_default_unroll_times): New.
(arm_cortex_m_unroll_times): New.
(arm_cortex_v6m_tune): New.
(arm_slowmul_tune): Add max_unroll_times function pointer.
(arm_fastmul_tune, arm_xscale_tune, arm_9e_tune,
arm_v6t2_tune, arm_cortex_tune, arm_cortex_a9_tune,
arm_cortex_v7m_tune, arm_cortex_v6m_tune,
arm_fa726te_tune): Likewise.
(arm_option_override): Enable loop unroll for all all M class
Cores, if optimization level is >= 1.
2011-09-20 Jiangning Liu <jiangning.liu@arm.com>
Tune branch cost for armv7-m
* config/arm/arm-cores.def (cortex-m3): Use cortex-v7m.
(cortex-m4) : Likewise.
* config/arm/arm.c (arm_cortex_v7m_branch_cost): New.
(arm_cortex_v7m_tune): New.
2011-09-20 Jiangning Liu <jiangning.liu@arm.com>
Backport r174578 from mainline
2011-06-02 Julian Brown <julian@codesourcery.com>
* config/arm/arm-cores.def (arm1156t2-s, arm1156t2f-s): Use v6t2
tuning.
* config/arm/arm-protos.h (tune_params): Add branch_cost hook.
* config/arm/arm.c (arm_default_branch_cost): New.
(arm_slowmul_tune, arm_fastmul_tune, arm_xscale_tune, arm_9e_tune)
(arm_v6t2_tune, arm_cortex_tune, arm_cortex_a9_tune)
(arm_fa726_tune): Set branch_cost field using
arm_default_branch_cost.
* config/arm/arm.h (BRANCH_COST): Use branch_cost hook from
current_tune structure.
* dojump.c (tm_p.h): Include file.
2011-09-20 Jiangning Liu <jiangning.liu@arm.com>
Backport r174577 from mainline
2011-06-02 Julian Brown <julian@codesourcery.com>
* arm-cores.def (arm1156t2-s, arm1156t2f-s): Use v6t2 tuning.
(cortex-a5, cortex-a8, cortex-a15, cortex-r4, cortex-r4f, cortex-m4)
(cortex-m3, cortex-m1, cortex-m0): Use cortex tuning.
* config/arm/arm-protos.h (tune_params): Add prefer_constant_pool
field.
* config/arm/arm.c (arm_slowmul_tune, arm_fastmul_tune)
(arm_xscale_tune, arm_9e_tune, arm_cortex_a9_tune)
(arm_fa726te_tune): Add prefer_constant_pool setting.
(arm_v6t2_tune, arm_cortex_tune): New.
* config/arm/arm.h (TARGET_USE_MOVT): Make dependent on
prefer_constant_pool setting.
2011-09-20 Jiangning Liu <jiangning.liu@arm.com>
Backport r177025 from mainline
2011-08-01 Julian Brown <julian@codesourcery.com>
* configure.ac (fixed-point): Add ARM support.
* configure: Regenerate.
* config/arm/arm.c (arm_fixed_mode_set): New struct.
(arm_set_fixed_optab_libfunc): New.
(arm_set_fixed_conv_libfunc): New.
(arm_init_libfuncs): Initialise fixed-point helper libfuncs with
ARM-specific names.
(aapcs_libcall_value): Return sub-word-size fixed-point libcall
return values in SImode.
(arm_return_in_msb): Return fixed-point types in the msb.
(arm_pad_reg_upwards, arm_pad_arg_upwards): Pad fixed-point types
upwards.
(arm_scalar_mode_supported_p): Support fixed-point modes.
(arm_vector_mode_supported_p): Support vector fixed-point modes.
* config/arm/arm.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE)
(LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE)
(SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE)
(LONG_LONG_ACCUM_TYPE_SIZE, MAX_FIXED_MODE_SIZE): Define.
* config/arm/iterators.md (FIXED, ADDSUB, UQADDSUB, QADDSUB, QMUL):
New mode iterators.
(qaddsub_suf): New mode attribute.
* config/arm/arm-modes.def (FRACT, UFRACT, ACCUM, UACCUM): Declare
vector modes.
* config/arm/predicates.md (sat_shift_operator): New predicate.
* config/arm/arm-fixed.md: New.
* config/arm/arm.md: Include arm-fixed.md.
* config/arm/t-arm (MD_INCLUDES): Add arm-fixed.md.
2011-09-20 Jiangning Liu <jiangning.liu@arm.com>
Backport r177022 from mainline
2011-08-01 Julian Brown <julian@codesourcery.com>
* calls.c (emit_library_call_value_1): Support padding for libcall
arguments and return values.
* config/arm/arm.c (arm_pad_arg_upward): Pad half-float values
downwards in big-endian mode.
2011-09-20 Jiangning Liu <jiangning.liu@arm.com>
Backport r177018 from mainline
2011-08-01 Julian Brown <julian@codesourcery.com>
* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Support FIXED_CST.
2011-09-20 Jiangning Liu <jiangning.liu@arm.com>
Backport r177017 from mainline
2011-08-01 Julian Brown <julian@codesourcery.com>
* final.c (output_addr_const): Print fixed-point constants as
decimal not hex.
2011-09-20 Jiangning Liu <jiangning.liu@arm.com>
Backport r177015 from mainline
2011-08-01 Julian Brown <julian@codesourcery.com>
* optabs.c (prepare_cmp_insn): Use correct biasing for fixed-point
comparison helpers.
2011-09-20 Jiangning Liu <jiangning.liu@arm.com>
Backport r176036 from mainline
2011-07-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* config/fixed-bit.c, config/fixed-bit.h: Move to ../libgcc.
2011-09-19 Joey Ye <joey.ye@arm.com>
Backport r177891 from mainline
2011-08-19 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
PR target/49437
* config/arm/arm.c (arm_output_epilogue): Properly handle epilogue
when stack was realigned in interrupt handler prologue.
testsuite:
2011-08-19 Joey Ye <joey.ye@arm.com>
PR target/49437
* gcc.target/arm/handler-align.c: New test.
* lib/target-supports.exp (check_effective_target_arm_cortex_m):
New Function.
2011-09-19 Jiangning Liu <jiangning.liu@arm.com>
Backport r177759 from mainline
2011-08-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
PR target/50022
* config/arm/arm.c (output_move_double): Add 2 parameters
to count the number of insns emitted and whether to emit or not.
Use the flag to decide when to emit and count number of instructions
that will be emitted.
Handle case where output_move_double might be called for calculating
lengths with an invalid constant.
(arm_count_output_move_double_insns): Define.
* config/arm/arm-protos.h (arm_count_output_move_double_insns): Declare.
(output_move_double): Adjust prototype.
* config/arm/vfp.md ("*movdi_vfp"): Adjust call to
output_move_double.
("*movdi_vfp_cortexa8"): Likewise and add attribute
for ce_count.
* config/arm/arm.md ("*arm_movdi"): Adjust call to output_move_double.
("*movdf_soft_insn"): Likewise.
* config/arm/cirrus.md ("*cirrus_arm_movdi"): Likewise.
("*cirrus_thumb2_movdi"): Likewise.
("*thumb2_cirrus_movdf_hard_insn"): Likewise.
("*cirrus_movdf_hard_insn"): Likewise.
* config/arm/neon.md (*neon_mov<mode> VD): Likewise.
* config/arm/iwmmxt.md ("*iwmmxt_arm_movdi"): Likewise.
("mov<mode>_internal VMMX"): Likewise.
* config/arm/fpa.md (*movdf_fpa, *thumb2_movdf_fpa): Likewise.
2011-09-19 Jiangning Liu <jiangning.liu@arm.com>
Backport r176867 from mainline
2011-07-28 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
* config/arm/vfp.md ("*movdf_vfp"): Handle the VFP constraints
before the core constraints. Adjust attributes.
(*thumb2_movdf_vfp"): Likewise.
2011-09-19 Jiangning Liu <jiangning.liu@arm.com>
Backport r175588 from mainline
2011-06-28 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
* config/arm/vfp.md ("*divsf3_vfp"): Replace '+' constraint modifier
with '=' constraint modifier.
(*divdf3_vfp): Likewise.
("*mulsf3_vfp"): Likewise.
("*muldf3_vfp"): Likewise.
("*mulsf3negsf_vfp"): Likewise.
("*muldf3negdf_vfp"): Likewise.
2011-09-19 Jiangning Liu <jiangning.liu@arm.com>
Backport r174894 from mainline
2011-06-10 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
Richard Earnshaw <rearnsha@arm.com>
* config/arm/arm.c (const_ok_for_op): Check to see
if mvn can be used.
* config/arm/vfp.md (*arm_movdi_vfp): Delete.
(*thumb2_movdi_vfp): Delete.
(*arm_movdi_vfp_cortexa8): Delete.
(*movdi_vfp): Consolidate from *arm_movdi_vfp and *thumb2_movdi_vfp.
(*movdi_vfp_cortexa8): Likewise.
2011-09-19 Jiangning Liu <jiangning.liu@arm.com>
Backport r172777 from mainline
2011-04-20 Andrew Stubbs <ams@codesourcery.com>
* config/arm/arm.c (arm_gen_constant): Move movw support ....
(const_ok_for_op): ... to here.
2011-09-19 Jiangning Liu <jiangning.liu@arm.com>
Partially backport r171449 from mainline
2011-03-25 Bernd Schmidt <bernds@codesourcery.com>
Andrew Stubbs <ams@codesourcery.com>
* config/arm/vfp.md (arm_movdi_vfp): Enable only when not tuning
for Cortex-A8.
(arm_movdi_vfp_cortexa8): New pattern.
* config/arm/arm.md: Move include arm-tune.md up a bit.
(define_attr "arch"): Add "onlya8" and "nota8" values.
(define_attr "arch_enabled"): Handle "onlya8" and "nota8".
2011-09-19 Jiangning Liu <jiangning.liu@arm.com>
Backport r175427 from mainline
2011-06-27 Richard Guenther <rguenther@suse.de>
PR tree-optimization/49169
* fold-const.c (get_pointer_modulus_and_residue): Don't rely on
the alignment of function decls.
2011-09-19 Jiangning Liu <jiangning.liu@arm.com>
Backport r175208 from mainline
2011-06-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
PR target/49385
* config/arm/thumb2.md (*thumb2_movhi_insn): Make sure atleast
one of the operands is a register.
2011-09-19 Jiangning Liu <jiangning.liu@arm.com>
Backport r174803 from mainline
2011-06-08 Julian Brown <julian@codesourcery.com>
* config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
for double-precision helper functions in hard-float mode if only
single-precision arithmetic is supported in hardware.
2011-09-19 chengbin <bin.cheng@arm.com>
Backport cortex-r5 from mainline based on r174526
* config/arm/arm-cores.def: Add cortex-r5. Add DIV flags to
Cortex-A15.
* config/arm/arm-tune.md: Regenerate.
* config/arm/arm.c (FL_DIV): Rename...
(FL_THUMB_DIV): ... to this.
(FL_ARM_DIV): Define.
(FL_FOR_ARCH7R, FL_FOR_ARCH7M): Use FL_THUMB_DIV.
(arm_arch_hwdiv): Remove.
(arm_arch_thumb_hwdiv, arm_arch_arm_hwdiv): New variables.
(arm_issue_rate): Add cortexr5.
* config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Set
__ARM_ARCH_EXT_IDIV__.
(TARGET_IDIV): Define.
(arm_arch_hwdiv): Remove.
(arm_arch_arm_hwdiv, arm_arch_thumb_hwdiv): New prototypes.
* config/arm/arm.md (tune_cortexr4): Add cortexr5.
(divsi3, udivsi3): New patterns.
* config/arm/thumb2.md (divsi3, udivsi3): Remove.
* doc/invoke.texi: Document ARM -mcpu=cortex-r5
Then mainline changelog is:
2011-06-01 Paul Brook <paul@cpodesourcery.com>
* config/arm/arm-cores.def: Add cortex-r5. Add DIV flags to
Cortex-A15.
* config/arm/arm-tune.md: Regenerate.
* config/arm/arm-tables.opt: Regenerate.
* config/arm/arm.c (FL_DIV): Rename...
(FL_THUMB_DIV): ... to this.
(FL_ARM_DIV): Define.
(FL_FOR_ARCH7R, FL_FOR_ARCH7M): Use FL_THUMB_DIV.
(arm_arch_hwdiv): Remove.
(arm_arch_thumb_hwdiv, arm_arch_arm_hwdiv): New variables.
(arm_issue_rate): Add cortexr5.
* config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Set
__ARM_ARCH_EXT_IDIV__.
(TARGET_IDIV): Define.
(arm_arch_hwdiv): Remove.
(arm_arch_arm_hwdiv, arm_arch_thumb_hwdiv): New prototypes.
* config/arm/arm.md (tune_cortexr4): Add cortexr5.
(divsi3, udivsi3): New patterns.
* config/arm/thumb2.md (divsi3, udivsi3): Remove.
* doc/invoke.texi: Document ARM -mcpu=cortex-r5
2011-09-19 chengbin <bin.cheng@arm.com>
Backport r174035 from mainline
2011-05-22 Tom de Vries <tom@codesourcery.com>
PR middle-end/48689
* fold-const.c (fold_checksum_tree): Guard TREE_CHAIN use with
CODE_CONTAINS_STRUCT (TS_COMMON).
Backport r172297 from mainline
2011-04-11 Chung-Lin Tang <cltang@codesourcery.com>
Richard Earnshaw <rearnsha@arm.com>
PR target/48250
* config/arm/arm.c (arm_legitimize_reload_address): Update cases
to use sign-magnitude offsets. Reject unsupported unaligned
cases. Add detailed description in comments.
* config/arm/arm.md (reload_outdf): Disable for ARM mode; change
condition from TARGET_32BIT to TARGET_ARM.
Backport r171978 from mainline
2011-04-05 Tom de Vries <tom@codesourcery.com>
PR target/43920
* config/arm/arm.h (BRANCH_COST): Set to 1 for Thumb-2 when optimizing
for size.
Backport r171632 from mainline
2011-03-28 Richard Sandiford <richard.sandiford@linaro.org>
* builtins.c (expand_builtin_memset_args): Use gen_int_mode
instead of GEN_INT.
Backport r171379 from mainline
2011-03-23 Chung-Lin Tang <cltang@codesourcery.com>
PR target/46934
* config/arm/arm.md (casesi): Use the gen_int_mode() function
to subtract lower bound instead of GEN_INT().
Backport r171251 from mainline
2011-03-21 Daniel Jacobowitz <dan@codesourcery.com>
* config/arm/unwind-arm.c (__gnu_unwind_pr_common): Correct test
for barrier handlers.
Backport r171096 from mainline
2011-03-17 Chung-Lin Tang <cltang@codesourcery.com>
PR target/43872
* config/arm/arm.c (arm_get_frame_offsets): Adjust early
return condition with !cfun->calls_alloca.
2011-09-08 Terry Guo <terry.guo@arm.com>
* config.gcc: Support --with-extra-multilibs option for ARM EABI.
* configure.ac: Handle --with-extra-multilibs option.
* configure: Add help message and support for that option.
* doc/install.texi: Document that option.
* config/arm/t-arm-elf (MULTILIB_OSDIRNAMES): Added to support
build extra multilibs with user-specified directory name.
* config/arm/t-armv6s-m: New fragment for building extra multilib for
ARM armv6s-m architecture.
* config/arm/t-armv7-m: New fragment for building extra multilib for
ARM armv7-m architecture.
* config/arm/t-armv7e-m: New fragment for building extra multilib for
ARM armv7e-m architecture.
* config/arm/t-thumb1: New fragment for building extra multilib for
ARM Thumb-1.
* config/arm/t-thumb2: New fragment for building extra multilib for
ARM Thumb-2.
2011-09-08 Terry Guo <terry.guo@arm.com>
* config/arm/arm.c (all_architectures): Simple support for
option -march=armv6s-m.
2011-09-06 Terry Guo <terry.guo@arm.com>
Backport from mainline r174965.
2011-06-12 Ira Rosen <ira.rosen@linaro.org>
* tree-vect-data-refs.c (vect_peeling_hash_get_most_frequent):
Take number of iterations to peel into account for equally frequent
misalignment values.
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