emitting ELF object.
(md_show_usage): Only mention --pic if the assembler can generate
ELF objects.
* doc/c-cris.texi (CRIS-Opt): Mention that generating ELF is a
prerequisite for --pic being a valid option.
DEFAULT_CRIS_ARCH. Handle crisv32-*-linux-gnu* like
cris-*-linux-gnu* and crisv32-*-* like cris-*-*.
* configure: Regenerate.
* config/tc-cris.c (enum cris_archs): New.
(cris_mach, cris_arch_from_string, s_cris_arch, get_sup_reg)
(cris_insn_ver_valid_for_arch): New functions.
(DEFAULT_CRIS_ARCH): New macro, default to cris_any_v0_v10.
(cris_arch): New variable.
(md_pseudo_table): New pseudo .arch.
(err_for_dangerous_mul_placement): Initialize according to
DEFAULT_CRIS_ARCH.
(STATE_COND_BRANCH): Renamed from STATE_CONDITIONAL_BRANCH.
All users changed.
(STATE_COND_BRANCH_V32, STATE_COND_BRANCH_COMMON)
(STATE_ABS_BRANCH_V32, STATE_LAPC, BRANCH_BF_V32, BRANCH_BB_V32)
(BRANCH_WF_V32, BRANCH_WB_V32): New.
(BRANCH_BF, BRANCH_BB, BRANCH_WF, BRANCH_WB): Don't undef after
use in md_cris_relax_table.
(md_cris_relax_table): Add entries for STATE_COND_BRANCH_V32,
STATE_COND_BRANCH_COMMON, STATE_ABS_BRANCH_V32, STATE_LAPC.
Update and improve head comment.
(OPTION_PIC): Define in terms of previous option, OPTION_US.
(OPTION_MULBUG_ABORT_ON, OPTION_MULBUG_ABORT_OFF): Similar.
(OPTION_ARCH): New.
(md_longopts): New option --march=...
(cris_any_v0_v10_long_jump_size, crisv32_long_jump_size): New
macros.
(md_long_jump_size): Initialize in terms of DEFAULT_CRIS_ARCH.
(HANDLE_RELAXABLE): New macro.
(md_estimate_size_before_relax): Use HANDLE_RELAXABLE for common
cases. Check for weak symbols and assume not relaxable. Handle
STATE_COND_BRANCH_V32, STATE_COND_BRANCH_COMMON,
STATE_ABS_BRANCH_V32, STATE_LAPC. Use new variable symbolP, not
fragP->fr_symbol.
(md_convert_frag): Handle STATE_COND_BRANCH_V32,
STATE_COND_BRANCH_COMMON, STATE_ABS_BRANCH_V32, STATE_LAPC.
(cris_create_short_jump): Adjust for CRISv32.
(md_create_long_jump): Ditto. Emit error for common_v10_v32.
(md_begin): Define symbols "..asm.arch.cris.v32",
"..asm.arch.cris.v10", "..asm.arch.cris.common_v10_v32" and
"..asm.arch.cris.any_v0_v10". Use cris_insn_ver_valid_for_arch
when entering opcode table entry points.
(md_assemble): Adjust branch handling for CRISv32. Handle LAPC
relaxation. In fix_new_exp call for main insn, pass 1 for pcrel
parameter for 8, 16 and 32-bit pc-relative insns and LAPC.
(cris_process_instruction): Initialize out_insnp->insn_type to
CRIS_INSN_NONE, not CRIS_INSN_NORMAL.
<case ']', '[', 'A', 'd', 'Q', 'N', 'n', 'Y', 'U', 'u', 'T'>: New
cases.
<case 'm'>: Check that modified_char == '.'.
<invalid operands>: Consume the rest of the line.
When operands don't match, skip over subsequent insns with
non-matching version specifier but same mnemonic.
<immediate constant, case SIZE_SPEC_REG>: Immediate operands for
special registers in CRISv32 are always 32 bit long.
<immediate constant, case SIZE_FIELD_SIGNED, SIZE_FIELD_UNSIGNED>:
New cases.
(get_gen_reg): Only recognize "PC" when followed by "+]" for v32
and compatible. Recognize "ACR" for v32, unless followed by "+".
(get_spec_reg): Consider cris_arch when looking up register.
(get_autoinc_prefix_or_indir_op): Don't recognize assignment for
v32 or compatible.
(get_3op_or_dip_prefix_op): Check for ']' after seeing '[rN+'.
(cris_get_expression): Restore input_line_pointer if failing "early".
(get_flags): Consider cris_arch and recognize flags accordingly.
(branch_disp): Adjust for CRISv32.
(gen_cond_branch_32): Similar. Emit error for common_v10_v32.
(cris_number_to_imm): Use as_bad_where, not as_bad. Remove
related FIXME. Don't insist on BFD_RELOC_32_PCREL fixup to be
resolved. Don't enter zeros in object file for
BFD_RELOC_32_PCREL.
<case BFD_RELOC_CRIS_LAPCQ_OFFSET, BFD_RELOC_CRIS_SIGNED_16>
<case BFD_RELOC_CRIS_SIGNED_8>: New case.
(md_parse_option): Break out "return 1".
<OPTION_ARCH> New case.
(tc_gen_reloc): <case BFD_RELOC_CRIS_LAPCQ_OFFSET>
<case BFD_RELOC_CRIS_SIGNED_16, BFD_RELOC_CRIS_SIGNED_8>
<case BFD_RELOC_CRIS_UNSIGNED_8, BFD_RELOC_CRIS_UNSIGNED_16>
<case BFD_RELOC_32_PCREL>: New cases.
Addends for non-zero fx_pcrel are too in fx_offset.
(md_show_usage): Show --march=<arch>.
(md_apply_fix3): Adjust val for BFD_RELOC_CRIS_LAPCQ_OFFSET.
(md_pcrel_from): BFD_RELOC_CRIS_LAPCQ_OFFSET is PC-relative too.
(s_syntax) <struct syntaxes>: Properly constify member operand.
* config/tc-cris.h (TARGET_MACH): Define.
(cris_mach): Declare.
* doc/as.texinfo (Overview) <CRIS>: Add --march=...
* doc/c-cris.texi (CRIS-Symbols): New node for built-in symbols.
(CRIS-Opts): Document --march=...
(CRIS-Pseudos): Document .arch.
--mul-bug-abort and the default behavior.
* config/tc-cris.c (cris_insn_kind): New member CRIS_INSN_MUL.
(err_for_dangerous_mul_placement): New variable.
(STATE_MUL, OPTION_MULBUG_ABORT_ON, OPTION_MULBUG_ABORT_OFF): New
macros.
(md_cris_relax_table): Have placeholder for STATE_MUL.
(md_longopts): New options --mul-bug-abort and --no-mul-bug-abort.
(cris_relax_frag) <case ENCODE_RELAX (STATE_MUL, STATE_BYTE)>: New
case doing nothing.
(md_estimate_size_before_relax) <case ENCODE_RELAX (STATE_MUL,
STATE_BYTE)>: Ditto.
(md_convert_frag) <ENCODE_RELAX (STATE_MUL, STATE_BYTE)>: Check
alignment and position of this frag, emit error message if
suspicious.
(md_assemble): For a multiply insn and when checking it,
transform the current frag into a special frag for that purpose.
(md_parse_option) <case OPTION_MULBUG_ABORT_OFF, case
OPTION_MULBUG_ABORT_ON>: Handle new options.
Alan Modra