(mips_big_got): Initialize.
(mips_trap): Initialize.
(load_address): Use mips_gp_register instead of hardcoded value.
Remove dbl parameter, use HAVE_32BIT_ADDRESSES instead.
(macro): Use mips_gp_register instead of hardcoded value.
(macro2): Change load_address calls.
(md_pcrel_from): Comment formatting.
(s_cpload): Use mips_gp_register instead of hardcoded value.
(s_cprestore): Likewise. Comment formatting.
(s_gpword): Fix data type.
(s_cpadd): Use mips_gp_register instead of hardcoded value.
(nopic_need_relax): Replace GP in comments by $gp.
(mips_elf_final_processing): Better comment.
2002-03-15 Chris G. Demetriou <cgd@broadcom.com>
* config/tc-mips.c (mips_set_options): New "ase_mips3d" member.
(mips_opts): Initialize "ase_mips3d" member.
(file_ase_mips3d): New variable.
(CPU_HAS_MIPS3D): New macro.
(md_begin): Initialize mips_opts.ase_mips3d and file_ase_mips3d
based on command line options and configuration defaults.
(macro_build, mips_ip): Accept MIPS-3D instructions if
mips_opts.ase_mips3d is set.
(OPTION_MIPS3D, OPTION_NO_MIPS3D, md_longopts, md_parse_option):
Add support for "-mips3d" and "-no-mips3d" options.
(OPTION_ELF_BASE): Move to accomodate new options.
(s_mipsset): Support ".set mips3d" and ".set nomips3d".
(mips_elf_final_processing): Add a comment indicating that a
MIPS-3D ASE ELF header flag should be set, when one exists.
* doc/as.texinfo: Document -mips3d and -no-mips3d options.
* doc/c-mips.texi: Likewise, and document ".set mips3d" and ".set
nomips3d" directives.
[ gas/testsuite/ChangeLog ]
2002-03-15 Chris G. Demetriou <cgd@broadcom.com>
* gas/mips/mips64-mips3d.s: New file.
* gas/mips/mips64-mips3d.d: Likewise.
* gas/mips/mips.exp: Run new "mips64-mips3d" test.
[ include/opcode/ChangeLog ]
2002-03-15 Chris G. Demetriou <cgd@broadcom.com>
* mips.h (INSN_MIPS3D): New definition used to mark MIPS-3D
instructions.
(OPCODE_IS_MEMBER): Adjust comments to indicate that ASE bit masks
may be passed along with the ISA bitmask.
[ opcodes/ChangeLog ]
2002-03-15 Chris G. Demetriou <cgd@broadcom.com>
* mips-dis.c (mips_isa_type): Add MIPS3D instructions to the ISA
bit masks for bfd_mach_mips_sb1 and bfd_mach_mipsisa64. Add
comments for bfd_mach_mipsisa32 and bfd_mach_mipsisa64 that
indicate that they should dissassemble all applicable
MIPS-specified ASEs.
* mips-opc.c: Add support for MIPS-3D instructions.
(M3D): New definition.
* mips-opc.c: Update copyright years.
* config/tc-mips.c (mips_need_elf_addend_fixup): For embedded-PIC
only, undo the changes made on 2001-06-08, with the
effect being that common or extern symbols are
adjusted for embedded-PIC, but weak symbols are not.
(md_estimate_size_before_relax: Likewise, with the effect
that extern symbols are treated the same as weak symbols
only if not embedded-PIC.
(mips_fix_adjustable) Likewise, with the effect that
weak or extern symbols are not adjusted for embedded-PIC.
(md_apply_fix3): Tweak so that the case where value is zero
is handled more correctly for embedded-PIC code.
* config/tc-mips.c (mips_need_elf_addend_fixup): Restructure into
a sequence of indpendent 'if' statements for easier debugging
and future modification.
* config/tc-mips.c (IS_SEXT_32BIT_NUM): New macro to
determine if a number is a sign-extended 32-bit number.
(load_register): Use IS_SEXT_32BIT_NUM.
(macro): Check if load/store macro handling is using a
constant 32-bit address on 64-bit address systems, and if
so optimize the generation of that address.
matched before the shorter ones.
(my_getSmallParser): Fix handling of nested parentheses in
percent_op's. Code cleanup.
(my_getPercentOp): New function, code from my_getSmallParser.
(my_getSmallExpression): Fix handling of closing parentheses.
Code cleanup. Better comments.
(md_apply_fix3): ...here. Don't prevent the symbol value being
subtracted twice from GPREL addends.
(tc_gen_reloc): Add the symbol value to a GPREL addend if it was
subtracted by the previous function.
(md_longopts): Allow OPTION_MABI for ELF compilation only. RE-allow
OPTION_GP32, OPTION_GP64, OPTION_FP32 for non-ELF compilation.
Sort options a bit more logical.
(md_parse_option): Allow OPTION_32, OPTION_N32, OPTION_N64,
OPTION_MABI only for elf targets.
* gas/mips/mips.exp: Change naming of some conditionals to reflect
the object format they actually mean. Don't try mips-abi32 and
mips-abi32-pic tests for ecoff.
mips_set_options.
(mips_set_options): Add members gp32, fp32, abi.
(file_mips_gp32): New flag.
(file_mips_fp32): New flag.
(mips_opts): Initialize the new members.
(mips_gp32): Remove.
(mips_fp32): Remove.
(HAVE_32BIT_GPRS): Use the new values from mips_opts.
(HAVE_32BIT_FPRS): Likewise.
(HAVE_NEWABI): Likewise.
(HAVE_64BIT_OBJECTS): Likewise.
(md_begin): Likewise. Save default (file) values.
(md_parse_option): Use the new values from mips_opts.
(s_mipsset): Likewise. Fix logic to keep the ABI selection if
possible. Let .set mipsN work together with .set push/pop.
Enhance error messages.
(mips_elf_final_processing): Use file_mips_* for header processing.
2001-10-31 Chris Demetriou <cgd@demetriou.com>
* elf32-mips.c (_bfd_mips_elf_hi16_reloc): Handle PC-relative
relocations properly.
[ gas/ChangeLog ]
2001-10-31 Chris Demetriou <cgd@broadcom.com>
* config/tc-mips.c (HAVE_32BIT_ADDRESSES): If compiling embedded
PIC code, assume pointers the same size as GPRs.
(macro): In M_LA_AB handling for embedded PIC code, support
"la $treg,foo-bar($breg)". In load/store handling
(label ld_st) support "<op> $treg,<sym>-<local_sym>($breg)"
which is used by the compiler for switch statements.
In load/store double multi-instruction macro handling
(label ldd_std) add a comment that no special handling
is currently done for embedded PIC.
(mips_ip): In 'o' (16-bit offset) case, only accept 16
bit offsets.
[ gas/testsuite/ChangeLog ]
2001-10-31 Chris Demetriou <cgd@broadcom.com>
* gas/mips/empic.s: Undo damage inflicted on 2000-12-02.
* gas/mips/empic.d: Likewise.
* gas/mips/elempic.d: Likewise (it was copied into other files).
* gas/mips/telempic.d: Likewise.
* gas/mips/tempic.d: Likewise.
* gas/mips/empic2.s: New test to check new 'la' and 'lw' (and
related ops) syntax, test loads with large offsets.
* gas/mips/emcic2.d: Likewise.
* gas/mips/mips.exp: Run the new test on ELF platforms.
(mips_cpreturn_register): Likewise.
(mips_gp_register): Likewise.
(s_cpsetup): New function prototype.
(s_cplocal): Likewise.
(s_cpreturn): Likewise.
(s_gpvalue): Likewise.
(mips_pseudo_table): Add .cpsetup, .cplocal, .cpreturn, .gpvalue
pseudo-ops.
(macro): Don't warn about .cprestore for NewABI.
(md_pcrel_from): Code cleanup.
(mips_force_relocation): Force output of some NewABI relocations even
without a defined symbol.
(s_cpload): Ignore .cpload for NewABI.
(s_cpsetup): Handle .cpsetup.
(s_cplocal): Handle .cplocal.
(s_cprestore): Ignore .cprestore for NewABI.
(s_cpreturn): Handle .cpreturn.
(s_gpvalue): Handle .gpvalue.
(s_cpadd): Ignore .cpadd for NewABI.
(nopic_need_relax): Take g_switch_value into account as gp
optimization.
(tc_gen_reloc): Don't handle BFD_RELOC_MIPS_{CALL,GOT}* for NewABI.
(small_ex_type): Named this enum, more return values for
my_getSmallExpression.
(mips_ip): Allow SPC and HT between arguments. Handle some NewABI
triple relocations. Protect some parts with ifdef OBJ_ELF.
(percent_op_match): New struct, lookup table for %some_reloc().
(my_getSmallParser): New function, parses nested percent_ops also.
(my_getSmallExpression): Rewite to support nested percent_ops.
(load_address): Support both 32- and 64-bit addresses.
(macro): Call load_register correctly. Expand 64-bit loads ans stores.
(macro2): Call load_address correctly.
relocation triple.
(prev_insn_fixp): Likewise.
(append_insn): Changed prototype to accept a relocation pointer.
(imm_reloc): Make it an array.
(offset_reloc): Likewise.
(md_assemble): Handle triple relocations.
(append_insn): Likewise. Add handling for some NewABI relocations.
(mips_no_prev_insn): Handle triple relocations.
(macro_build): Likewise. Add handling for some NewABI relocations.
Move handling for the 'u' case to append_insn().
(mips16_macro_build): Handle triple relocations.
(macro_build_lui): Likewise. Don't handle _gp_disp as special symbol
for NewABI.
(mips_ip): Handle triple relocations.
(mips16_ip): Likewise.
(mips_force_relocation): Force handling of triple relocations
without symbols for NewABI.
(md_apply_fix): Add handling for some NewABI relocations.
(mips_target_format): Move downwards in file, use HAVE_64BIT_OBJECTS
in it.
(mips_abi_level, mips_abi): New enum.
(mips_32bit_abi): Remove.
(HAVE*PRS): Use mips_abi instead of mips_32bit_abi.
(HAVE_NEWABI): New define.
(HAVE_64BIT_OBJECTS): New define.
(HAVE_32BIT_ADDRESSES): Don't return true for 64bit objects.
(HAVE_64BIT_ADDRESSES): New define, inverse of HAVE_32BIT_ADDRESSES.
(support_64bit_objects): New prototype.
(md_begin): Use mips_abi instead of mips_32bit_abi. Don't write
.reginfo section for n32, use .MIPS.options instead.
(support_64bit_objects): New function, code from md_parse_option.
(md_longopts): Add -n32 option.
(md_parse_option): Use mips_abi instead of mips_32bit_abi/mips64.
Add -n32 option. Protect with OBJ_ELF.
(s_mipsset): Use mips_abi instead of mips_32bit_abi.
(mips_elf_final_processing): Likewise. Don't write .reginfo section
for n32, use .MIPS.options instead.
and rearrange for efficiency. For "PIC code" subtraction, use
"rightseg" rather than recalculating. For "symbol OP symbol"
subtract, set "retval" to absolute_section if symbols in same
section.
* symbols.c (resolve_symbol_value): Resolve "sym +/- expr" to an
O_symbol. Simplify a +/- b code. Allow equality and non-equality
comparisons on symbols from any section. Allow other comparison
operators as for subtraction.
(symbol_equated_reloc_p): New predicate function.
* symbols.h (symbol_equated_reloc_p): Declare.
* write.c (adjust_reloc_syms): Use symbol_equated_reloc_p.
(write_relocs): Likewise.
(write_object_file): Likewise.
(relax_segment <rs_machine_dependent>): Ensure segment for
expression syms is set correctly.
* config/tc-mips.c (md_estimate_size_before_relax): Likewise.
* config/tc-i386.c (md_assemble <Output jumps>): Don't lose part
of a complex expression when setting up frag_var.
value, not the word beyond maximum.
* tc_mips.c (macro_build_lui): Code cleanup.
(macro): Reflect change to MAX_GPREL_OFFSET.
(mips_ip): Check explicitly against S_EX_NONE.
(my_get_SmallExpression): parse for %gp_rel, not %gprel.
(md_apply_fix): Code cleanup.
return values.
(mips_ip): Use the new return values instead of characters. Add
support for %higher and %highest.
(LP): Remove.
(RP): Remove.
(my_getSmallExpression): Make parsing case insensitive and more
reliable. Add support for %higher and %highest. Further support to
parse %gprel and %neg is implemented but currently deactivated.
-mipsX is specified. Make both -mcpu/-march and -mcpu/-mtune pairs
mutually exclusive (if they are different).
(md_parse_option): Warn if an -march/-mtune/-mcpu/-m<cpu> option is
set more than once.
* config/tc-mips.c (mips_fp32, mips_32bit_abi): New static variables.
(md_long_opts): Add -mfp32 option.
(md_parse_option): Handle it. Set mips_32bit_abi given -mabi=32.
(md_show_usage): Show usage for -mfp32 and -mgp32.
(HAVE_32BIT_GPRS, HAVE_32BIT_FPRS): New macros.
(HAVE_64BIT_GPRS, HAVE_64BIT_FPRS): New macros, inverse of the above.
(HAVE_32BIT_ADDRESSES): New macro.
(load_register): Use HAVE_32BIT_GPRS to determine the register width.
(load_address): Use HAVE_32BIT_ADDRESSES to determine the address size.
(s_cprestore, s_cpadd): Likewise.
(macro): Use HAVE_32BIT_GPRS to determine the width of registers
used in branch and M_LI_D macros. Use HAVE_64BIT_FPRS to determine
the width registers used in M_LI_DD macros. Use HAVE_32BIT_ADDRESSES
to determine the width of addresses in load, store and jump macros.
(macro2): Use HAVE_32BIT_GPRS to determine the width of registers
used in set instructions; do not check the address size for them.
Use HAVE_32BIT_ADDRESSES to determine the width of addresses in
unaligned load and store macros.
(mips_ip): Use the new macros to check the width of a register when
processing float constants. Force a constant into memory if it is
destined for an FPR and the FPRs are wider than the GPRs. Warn about
odd FPR numbers if HAVE_32BIT_FPRS. Use HAVE_32BIT_GPRS rather
than mips_gp32 to select synthetic instructions.
(macro_build): Use HAVE_32BIT_GPRS rather than mips_gp32 to select
synthetic instructions.
* config/tc-mips.c (md_estimate_size_before_relax): Make sure
we treat weak like extern only for ELF.
(mips_fix_adjustable): Make sure we don't adjust extern/weak
symbols only for ELF.
* config/tc-mips.c (md_apply_fix): Prevent addend from becoming zero
if it's expected to be non-zero.
[gas/testsuite]
* gas/mips/elf-rel3.s: Add zero word to end of file.
* NEWS: Updated for the new -n option for the MIPS assembler.
* config/tc-mips.c (md_show_usage): Add -n.
* doc/as.texinfo: Document the new -n option.
* doc/c-mips.texi: Likewise.
* doc/as.1: Regenerated.
* config/tc-mips.c (warn_nops): New variable. Set to 0 to
disable warning about all NOPS that the assembler generates.
(macro): Warn NOPS generated only if warn_nops is not 0.
(md_shortopts): Add `n'.
(md_parse_option): Set warn_nops to 1 for `n'.
* config/tc-mips.c (md_apply_fix): Don't adjust common
extern/weak symbols for ELF.
(md_estimate_size_before_relax): Treat weak like extern for
ELF.
(mips_fix_adjustable): Don't adjust extern/weak symbols for
ELF.
* Makefile.in: Regenerate.
* config/tc-mips.c (mips16_mark_labels): Reduce number of calls to
S_GET_VALUE by using a temp.
(append_insn): Likewise, and for S_GET_VALUE too.
(mips_emit_delays): Likewise.
(my_getExpression): Likewise.
(md_apply_fix): Likewise. Use "valueT" rather than "long" for "value".
(mips16_extended_frag): Remove code concerned with avoiding
locking in a frag address now that symbols are not finalized until
relaxation is complete. Cater for first relaxation pass having
bogus addresses. Use relax_marker to reliably determine whether a
symbol frag has been reached on the current pass.
* config/tc-mips.c: Support ELF64 for traditional MIPS targets.
* Makefile.am: (TARG_ENV_HFILES): Add tc-mips.h.
* Makefile.in: Regenerated.
* configure.in: Use traditional MIPS targets for Linux/MIPS.
* configure: Regenerated.
Thiemo Seufer
Kazu Hirata
Chris Demetriou
Eric Christopher
Alexandre Oliva
Daniel Jacobowitz
Richard Sandiford
Nick Clifton
Alan Modra
H.J. Lu
Richard Henderson