+2019-03-28 Andrew Burgess <andrew.burgess@embecosm.com>
+
+ * cpustate.c: Add 'libiberty.h' include.
+ * interp.c: Add 'sim-assert.h' include.
+
+2017-09-06 John Baldwin <jhb@FreeBSD.org>
+
+ * configure: Regenerate.
+
+2017-04-22 Jim Wilson <jim.wilson@linaro.org>
+
+ * simulator.c (vec_load): Add M argument. Rewrite to iterate over
+ registers based on structure size.
+ (LD4, LD3, LD2, LD1_2, LD1_3, LD1_4): Pass new arg to vec_load.
+ (LD1_1): Replace with call to vec_load.
+ (vec_store): Add new M argument. Rewrite to iterate over registers
+ based on structure size.
+ (ST4, ST3, ST2, ST1_2, ST1_3, ST1_4): Pass new arg to vec_store.
+ (ST1_1): Replace with call to vec_store.
+
+2017-04-08 Jim Wilson <jim.wilson@linaro.org>
+
+ * simulator.c (do_vec_FCVTL): New.
+ (do_vec_op1): Call do_vec_FCVTL.
+
+ * simulator.c (do_scalar_FCMGE_zero, do_scalar_FCMLE_zero,
+ do_scalar_FCMGT_zero, do_scalar_FCMEQ_zero, do_scalar_FCMLT_zero): New.
+ (do_scalar_vec): Add calls to new functions.
+
+2017-03-25 Jim Wilson <jim.wilson@linaro.org>
+
+ * simulator.c (set_flags_for_add32): Cast result to uint32_t in carry
+ flag check.
+
+2017-03-03 Jim Wilson <jim.wilson@linaro.org>
+
+ * simulator.c (mul64hi): Shift carry left by 32.
+ (smulh): Change signum to negate. If negate, invert result, and add
+ carry bit if low part of multiply result is zero.
+
+2017-02-25 Jim Wilson <jim.wilson@linaro.org>
+
+ * simulator.c (do_vec_SMOV_into_scalar): New.
+ (do_vec_UMOV_into_scalar): Renamed from do_vec_MOV_into_scalar.
+ Rewritten.
+ (do_vec_UMOV): Merged into do_vec_UMOV_into_scalar and deleted.
+ (do_vec_op1): Move do_vec_TRN call and do_vec_UZP call. Add
+ do_vec_SMOV_into_scalar call. Delete do_vec_MOV_into_scalar and
+ do_vec_UMOV calls. Add do_vec_UMOV_into_scalar call.
+
+ * simulator.c (popcount): New.
+ (do_vec_CNT): New.
+ (do_vec_op1): Add do_vec_CNT call.
+
+2017-02-19 Jim Wilson <jim.wilson@linaro.org>
+
+ * simulator.c (do_vec_ADDV): Mov val declaration inside each case,
+ with type set to input type size.
+ (do_vec_xtl): Change bias from 3 to 4 for byte case.
+
+2017-02-14 Jim Wilson <jim.wilson@linaro.org>
+
+ * simulator.c (do_vec_MLA): Rewrite switch body.
+
+ * simulator.c (do_vec_bit): Change loop limits from 16 and 8 to 4 and
+ 2. Move test_false if inside loop. Fix logic for computing result
+ stored to vd.
+
+ * simulator.c: (LDn_STn_SINGLE_LANE_AND_SIZE): New.
+ (do_vec_LDn_single, do_vec_STn_single): New.
+ (do_vec_LDnR): Add and set new nregs var. Replace switch on nregs with
+ loop over nregs using new var n. Add n times size to address in loop.
+ Add n to vd in loop.
+ (do_vec_load_store): Add comment for instruction bit 24. New var
+ single to hold instruction bit 24. Add new code to use single. Move
+ ldnr support inside single if statements. Fix ldnr register counts
+ inside post if statement. Change HALT_NYI calls to HALT_UNALLOC.
+
+2017-01-23 Jim Wilson <jim.wilson@linaro.org>
+
+ * simulator.c (do_vec_compare): Add case 0x23 for CMTST.
+
+2017-01-17 Jim Wilson <jim.wilson@linaro.org>
+
+ * simulator.c (do_vec_ADDV): Call aarch64_set_vec_u64 instead of
+ aarch64_set_reg_u64. In case 2, call HALT_UNALLOC if not full. In
+ case 3, call HALT_UNALLOC unconditionally.
+ (do_vec_XTN): Delete shifts. In case 2, change index from i + 4 to
+ i + 2. Delete if on bias, change index to i + bias * X.
+
+2017-01-09 Jim Wilson <jim.wilson@linaro.org>
+
+ * simulator.c (do_vec_UZP): Rewrite.
+
+2017-01-04 Jim Wilson <jim.wilson@linaro.org>
+
+ * cpustate.c: Include math.h.
+ (aarch64_set_FP_float): Use signbit to check for signed zero.
+ (aarch64_set_FP_double): Likewise.
+ * simulator.c (do_vec_MOV_immediate, case 0x8): Add missing break.
+ (do_vec_mul): In all DO_VEC_WIDENING_MUL calls, make second and fourth
+ args same size as third arg.
+ (fmaxnm): Use isnan instead of fpclassify.
+ (fminnm, dmaxnm, dminnm): Likewise.
+ (do_vec_MLS): Reverse order of subtraction operands.
+ (dexSimpleFPCondSelect): Call aarch64_get_FP_double or
+ aarch64_get_FP_float to get source register contents.
+ (UINT_MIN, ULONG_MIN, FLOAT_UINT_MAX, FLOAT_UINT_MIN,
+ DOUBLE_UINT_MAX, DOUBLE_UINT_MIN, FLOAT_ULONG_MAX, FLOAT_ULONG_MIN,
+ DOUBLE_ULONG_MAX, DOUBLE_ULONG_MIN): New.
+ (do_fcvtzu): Use ULONG instead of LONG, and UINT instead of INT in
+ raise_exception calls.
+
+2016-12-21 Jim Wilson <jim.wilson@linaro.org>
+
+ * simulator.c (set_flags_for_float_compare): Add code to handle Inf.
+ Add comment to document NaN issue.
+ (set_flags_for_double_compare): Likewise.
+
+2016-12-13 Jim Wilson <jim.wilson@linaro.org>
+
+ * simulator.c (NEG, POS): Move before set_flags_for_add64.
+ (set_flags_for_add64): Replace with a modified copy of
+ set_flags_for_sub64.
+
+2016-12-03 Jim Wilson <jim.wilson@linaro.org>
+
+ * simulator.c (tbnz, tbz): Cast 1 to uint64_t before shifting.
+ (dexTestBranchImmediate): Shift high bit of pos by 5 not 4.
+
+2016-12-01 Jim Wilson <jim.wilson@linaro.org>
+
+ * simulator.c (fsturs): Switch use of rn and st variables.
+ (fsturd, fsturq): Likewise
+
+2016-08-15 Mike Frysinger <vapier@gentoo.org>
+
+ * interp.c: Include bfd.h.
+ (symcount, symtab, aarch64_get_sym_value): Delete.
+ (remove_useless_symbols): Change count type to long.
+ (aarch64_get_func): Add SIM_DESC to arg list. Add symcount
+ and symtab local variables.
+ (sim_create_inferior): Delete storage. Replace symbol code
+ with a call to trace_load_symbols.
+ * memory.c: Delete bfd.h, elf/internal.h, and elf/common.h
+ includes.
+ (aarch64_get_heap_start): Change aarch64_get_sym_value to
+ trace_sym_value.
+ * memory.h: Delete bfd.h include.
+ (mem_add_blk): Delete unused prototype.
+ * simulator.c (bl, blr): Pass SIM_DESC to aarch64_get_func.
+ * simulator.c (aarch64_get_func): Add SIM_DESC to arg list.
+ (aarch64_get_sym_value): Delete.
+
+2016-08-12 Nick Clifton <nickc@redhat.com>
+
+ * simulator.c (aarch64_step): Revert pervious delta.
+ (aarch64_run): Call sim_events_tick after each
+ instruction is simulated, and if necessary call
+ sim_events_process.
+ * simulator.h: Revert previous delta.
+
+2016-08-11 Nick Clifton <nickc@redhat.com>
+
+ * interp.c (sim_create_inferior): Allow for being called with a
+ NULL abfd parameter. If a bfd is provided, initialise the sim
+ with that start address.
+ * simulator.c (HALT_NYI): Just print out the numeric value of the
+ instruction when not tracing.
+ (aarch64_step): Change from static to global.
+ * simulator.h: Add a prototype for aarch64_step().
+
+2016-07-27 Alan Modra <amodra@gmail.com>
+
+ * memory.c: Don't include libbfd.h.
+
+2016-07-21 Nick Clifton <nickc@redhat.com>
+
+ * simulator.c (fsqrts): Use sqrtf rather than sqrt.
+
+2016-06-30 Jim Wilson <jim.wilson@linaro.org>
+
+ * cpustate.h: Include config.h.
+ (union GRegisterValue): Add WORDS_BIGENDIAN check. For big endian code
+ use anonymous structs to align members.
+ * simulator.c (aarch64_step): Use sim_core_read_buffer and
+ endian_le2h_4 to read instruction from pc.
+
+2016-05-06 Nick Clifton <nickc@redhat.com>
+
+ * simulator.c (do_FMLA_by_element): New function.
+ (do_vec_op2): Call it.
+
+2016-04-27 Nick Clifton <nickc@redhat.com>
+
+ * simulator.c: Add TRACE_DECODE statements to all emulation
+ functions.
+
+2016-03-30 Nick Clifton <nickc@redhat.com>
+
+ * cpustate.c (aarch64_set_reg_s32): New function.
+ (aarch64_set_reg_u32): New function.
+ (aarch64_get_FP_half): Place half precision value into the correct
+ slot of the union.
+ (aarch64_set_FP_half): Likewise.
+ * cpustate.h: Add prototypes for aarch64_set_reg_s32 and
+ aarch64_set_reg_u32.
+ * memory.c (FETCH_FUNC): Cast the read value to the access type
+ before converting it to the return type. Rename to FETCH_FUNC64.
+ (FETCH_FUNC32): New macro. Duplicates FETCH_FUNC64 but for 32-bit
+ accesses. Use for 32-bit memory access functions.
+ * simulator.c (ldrsb_wb): Use sign extension not zero extension.
+ (ldrb_scale_ext, ldrsh32_abs, ldrsh32_wb): Likewise.
+ (ldrsh32_scale_ext, ldrsh_abs, ldrsh64_wb): Likewise.
+ (ldrsh_scale_ext, ldrsw_abs): Likewise.
+ (ldrh32_abs): Store 32 bit value not 64-bits.
+ (ldrh32_wb, ldrh32_scale_ext): Likewise.
+ (do_vec_MOV_immediate): Fix computation of val.
+ (do_vec_MVNI): Likewise.
+ (DO_VEC_WIDENING_MUL): New macro.
+ (do_vec_mull): Use new macro.
+ (do_vec_mul): Use new macro.
+ (do_vec_MLA): Read values before writing.
+ (do_vec_xtl): Likewise.
+ (do_vec_SSHL): Select correct shift value.
+ (do_vec_USHL): Likewise.
+ (do_scalar_UCVTF): New function.
+ (do_scalar_vec): Call new function.
+ (store_pair_u64): Treat reads of SP as reads of XZR.
+
+2016-03-29 Nick Clifton <nickc@redhat.com>
+
+ * cpustate.c: Remove space after asterisk in function parameters.
+ * decode.h (greg): Delete unused function.
+ (vreg, shift, extension, scaling, writeback, condcode): Likewise.
+ * simulator.c: Use INSTR macro in more places.
+ (HALT_NYI): Use sim_io_eprintf in place of fprintf.
+ Remove extraneous whitespace.
+
+2016-03-23 Nick Clifton <nickc@redhat.com>
+
+ * cpustate.c (aarch64_get_FP_half): New function. Read a vector
+ register as a half precision floating point number.
+ (aarch64_set_FP_half): New function. Similar, but for setting
+ a half precision register.
+ (aarch64_get_thread_id): New function. Returns the value of the
+ CPU's TPIDR register.
+ (aarch64_get_FPCR): New function. Returns the value of the CPU's
+ floating point control register.
+ (aarch64_set_FPCR): New function. Set the value of the CPU's FPCR
+ register.
+ * cpustate.h: Add prototypes for new functions.
+ * sim-main.h (struct _sim_cpu): Add FPCR and tpidr fields.
+ * memory.c: Use unaligned core access functions for all memory
+ reads and writes.
+ * simulator.c (HALT_NYI): Generate an error message if tracing
+ will not tell the user why the simulator is halting.
+ (HALT_UNREACHABLE): Delete. Delete (unneeded) uses of the macro.
+ (INSTR): New time-saver macro.
+ (fldrb_abs): New function. Loads an 8-bit value using a scaled
+ offset.
+ (fldrh_abs): New function. Likewise for 16-bit values.
+ (do_vec_SSHL): Allow for negative shift values.
+ (do_vec_USHL): Likewise.
+ (do_vec_SHL): Correct computation of shift amount.
+ (do_vec_SSHR_USHR): Correct decision of signed vs unsigned
+ shifts and computation of shift value.
+ (clz): New function. Counts leading zero bits.
+ (do_vec_CLZ): New function. Implements CLZ (vector).
+ (do_vec_MOV_element): Call do_vec_CLZ.
+ (dexSimpleFPCondCompare): Implement.
+ (do_FCVT_half_to_single): New function. Implements one of the
+ FCVT operations.
+ (do_FCVT_half_to_double): New function. Likewise.
+ (do_FCVT_single_to_half): New function. Likewise.
+ (do_FCVT_double_to_half): New function. Likewise.
+ (dexSimpleFPDataProc1Source): Call new FCVT functions.
+ (do_scalar_SHL): Handle negative shifts.
+ (do_scalar_shift): Handle SSHR.
+ (do_scalar_USHL): New function.
+ (do_double_add): Simplify to just performing a double precision
+ add operation. Move remaining code into...
+ (do_scalar_vec): ... New function.
+ (dexLoadUnsignedImmediate): Call new fldrb_abs and fldrh_abs
+ functions.
+ (system_get): Add support for TPIDR, CTR, FPCR, FPSR and CPSR
+ registers.
+ (system_set): New function.
+ (do_MSR_immediate): New function. Stub for now.
+ (do_MSR_reg): New function. Likewise. Partially implements MSR
+ instruction.
+ (do_SYS): New function. Stub for now,
+ (dexSystem): Call new functions.
+
+2016-03-18 Nick Clifton <nickc@redhat.com>
+
+ * cpustate.c: Remove spurious spaces from TRACE strings.
+ Print hex equivalents of floats and doubles.
+ Check element number against array size when accessing vector
+ registers.
+ (GET_VEC_ELEMENT): Fix off by one error checking for an invalid
+ element index.
+ (SET_VEC_ELEMENT): Likewise.
+ (GET_VEC_ELEMENT): And fix thinko using macro arguments.
+
+ * memory.c: Trace memory reads when --trace-memory is enabled.
+ Remove float and double load and store functions.
+ * memory.h (aarch64_get_mem_float): Delete prototype.
+ (aarch64_get_mem_double): Likewise.
+ (aarch64_set_mem_float): Likewise.
+ (aarch64_set_mem_double): Likewise.
+ * simulator (IS_SET): Always return either 0 or 1.
+ (IS_CLEAR): Likewise.
+ (fldrs_pcrel): Load and store floats using 32-bit memory accesses
+ and doubles using 64-bit memory accesses.
+ (fldrd_pcrel, fldrs_wb, fldrs_abs, fldrs_scale_ext): Likewise.
+ (fldrd_wb, fldrd_abs, fsturs, fsturd, fldurs, fldurd): Likewise.
+ (fstrs_abs, fstrs_wb, fstrs_scale_ext, fstrd_abs): Likewise.
+ (fstrd_wb, fstrd_scale_ext, store_pair_float): Likewise.
+ (store_pair_double, load_pair_float, load_pair_double): Likewise.
+ (do_vec_MUL_by_element): New function.
+ (do_vec_op2): Call do_vec_MUL_by_element.
+ (do_scalar_NEG): New function.
+ (do_double_add): Call do_scalar_NEG.
+
+2016-03-03 Nick Clifton <nickc@redhat.com>
+
+ * simulator.c (set_flags_for_sub32): Correct type of signbit.
+ (CondCompare): Swap interpretation of bit 30.
+ (DO_ADDP): Delete macro.
+ (do_vec_ADDP): Copy source registers before starting to update
+ destination register.
+ (do_vec_FADDP): Likewise.
+ (do_vec_load_store): Fix computation of sizeof_operation.
+ (rbit64): Fix type of constant.
+ (aarch64_step): When displaying insn value, display all 32 bits.
+
+2016-01-10 Mike Frysinger <vapier@gentoo.org>
+
+ * config.in, configure: Regenerate.
+
+2016-01-10 Mike Frysinger <vapier@gentoo.org>
+
+ * configure: Regenerate.
+
+2016-01-10 Mike Frysinger <vapier@gentoo.org>
+
+ * configure.ac (SIM_AC_OPTION_ENVIRONMENT): Delete call.
+ * configure: Regenerate.
+
2016-01-10 Mike Frysinger <vapier@gentoo.org>
* configure: Regenerate.
projects / deliverable / binutils-gdb.git / blobdiff