2003-05-01 H.J. Lu <hjl@gnu.org>

[deliverable/binutils-gdb.git] / gas / ChangeLog

2003-05-01  H.J. Lu <hjl@gnu.org>

	* config/tc-ia64.c (ia64_check_label): New.
	* config/tc-ia64.h (tc_check_label): New.

	* read.c (read_a_source_file): Call tc_check_label after
	creating a user-defined label if defined.

2003-05-02  Alan Modra  <amodra@bigpond.net.au>

	* config/tc-ppc.c (md_show_usage): Mention -a32, -a64, -l, -le, -b,
	-be and split strings to below 509 bytes in length.

2003-05-01  Christian Groessler <chris@groessler.org>

	* expr.h: Fix comments in operatorT typedef.
	* config/tc-z8k.c: Add 2003 to copyright message.  
	Fold s_segm() and s_unseg() into one function s_segm(parm) which
	decides by the parameter.
	(md_begin): Don't set linkrelax.  Only set Z8002 default if no
	command line argument was given to select the intended
	architecure.
	(get_interrupt_operand): Warn if NOP type code is emitted.
	(newfix): New parameter 'size', forward it to 'fix_new_exp'.
	(apply_fix): Call newfix with additional 'size' parameter.
	(build_bytes): Remove unused variable 'nib'.  Detect overflow in
	4 bit immediate arguments.
	(md_longopts): Add 'linkrelax' option.
	(md_parse_option): Adapt to new s_segm function.  Set 'linkrelax'
	variable when 'linkrelax' command line option is specified.
	(md_show_usage): Display 'linkrelax' option.
	(md_apply_fix3): Fix cases R_IMM4L, R_JR, and R_IMM8.  Add cases
	R_CALLR and R_REL16.
	* config/tc-z8k.h: Undef WARN_SIGNED_OVERFLOW_WORD.

2003-04-30  H.J. Lu <hjl@gnu.org>

	* config/tc-ia64.c (ia64_number_to_chars): New function pointer.
	(ia64_float_to_chars): Likewise.
	(dot_byteorder): Set target_big_endian, ia64_number_to_chars
	and ia64_float_to_chars by tc_segment_info_data.endian from
	the current segment if byteorder == -1.
	(md_begin): Call dot_byteorder to set target_big_endian.
	(md_atof): Call ia64_float_to_chars to convert floating point.
	(ia64_float_to_chars_bigendian): New function.
	(ia64_float_to_chars_littleendian): Likewise.
	(ia64_elf_section_change_hook): Likewise.

	* config/tc-ia64.h (ia64_number_to_chars): New.
	(md_number_to_chars): Changed to (*ia64_number_to_chars)
	(ia64_elf_section_change_hook): New.
	(md_elf_section_change_hook): Defined.
	(ia64_segment_info_type): New struct.
	(TC_SEGMENT_INFO_TYPE): Defined.

2003-04-30  H.J. Lu <hjl@gnu.org>

	* config/tc-ia64.c (md_section_align): Deleted.

	* config/tc-ia64.h (SUB_SEGMENT_ALIGN): New.
	(md_section_align): New.

2003-04-30  H.J. Lu <hjl@gnu.org>

	* config/tc-ia64.c (stmt_float_cons): Fix alignment for real10
	and add real16.
	(md_pseudo_table): Add "xreal16", "xreal16.ua", "real16" and
	"real16.ua".
	(md_atof): Add 6 byte padding of zero for real16.

2003-04-29  Nick Clifton  <nickc@redhat.com>

	* config/obj-elf.c (obj_elf_symver): Skip whitespace before the
	start of a version name.

2003-04-28  Chris Demetriou  <cgd@broadcom.com>

	* configure.in (mips-*-*n*bsd*): Replace with...
	(mips-*-netbsd*, mips-*-openbsd*): These.
	* configure: Regenerate.

2003-04-28  H.J. Lu <hjl@gnu.org>

	* config/tc-hppa.c (hppa_symbol_chars): New.
	* config/tc-hppa.h (tc_symbol_chars): Likewise.

2003-04-26  Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>

	* config/tc-mips.h (TC_FORCE_RELOCATION_SUB_SAME): Define again.

2003-04-25  Chris Demetriou  <cgd@broadcom.com>

	* NEWS: Belatedly mention support for MIPS32 Release 2.

2003-04-24  Eric Christopher  <echristo@redhat.com>

	* config/tc-mips.c (nopic_need_relax): Revert previous
	change.

2003-04-24 Dhananjay Deshpande <dhananjayd@kpitcummins.com>

	* config/tc-h8300.h (DWARF2_LINE_MIN_INSN_LENGTH): New
	* config/tc-h8300.c (dwarf2dbg.h): Include
	(md_pseudo_table): Handle .loc and .file
	(md_assemble): Call dwarf2_emit_insn if BFD_ASSEMBLER.
	* Makefile.am: Add dependency on dwarf2dbg.h for h8300 targets.
	* Makefile.in: Regenerate.

2003-04-24 Dhananjay Deshpande <dhananjayd@kpitcummins.com>

	* config/tc-h8300.c (Nmode, h8300hnmode, h8300snmode): New.
	(md_pseudo_table): Add h8300hn, h8300sn.
	* config/tc-h8300.h (COFF_MAGIC): Handle h8300hn, h8300sn.
	* doc/c-h8300.texi : Add documentation for new machine directives.

2003-04-24  Nick Clifton  <nickc@redhat.com>

	* config/tc-ppc.c (ppc_symbol_chars): Define.
	* config/tc-ppc.h (tc_symbol_chars): Define.

2003-04-23  J"orn Rennecke <joern.rennecke@superh.com>

	* config/tc-sh.c: Amend comment to refer to SuperH.
	* config/tc-sh.h: Likewise.
	(LISTING_HEADER): Amend to refer to SuperH.
	* config/tc-sh64.c: Change comment to refer to SuperH.
	* config/tc-sh64.h (LISTING_HEADER): Change to refer to SuperH.
	* doc/as.texinfo [SH, GENERIC]: Amend / Change to refer to SuperH.
	* doc/c-sh.texi: Amend to refer to SuperH.
	Add SuperH architecture documentation references.
	* doc/c-sh64.texi: Change to refer to SuperH.

2003-04-23  H.J. Lu <hjl@gnu.org>

	* app.c (do_scrub_chars): More checks for valid labels.

2003-04-22  H.J. Lu <hjl@gnu.org>

	* app.c (do_scrub_chars): Check for valid label.

2003-04-22  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

	* doc/as.texinfo: Replace references to Mitsubishi M32R with
	references to Renesas M32R.
	* doc/c-m32r.texi: Likewise.

2003-04-21  Richard Henderson  <rth@redhat.com>

        * dwarf2dbg.c (get_filenum): Skip as-yet unassigned file numbers.
        (out_file_list): Assign non-null filename after generating error.

2003-04-18  Jakub Jelinek  <jakub@redhat.com>

	* ehopt.c (check_eh_frame): For aug_size == 0
	in state_seeing_aug_size state skip the state_skipping_aug
	state.

2003-04-15  Rohit Kumar Srivastava <rohits@kpitcummins.com>

	* doc/c-h8300.texi: Replace occurrances of 'Hitachi' with
	'Renesas'.
	* doc/c-h8500.texi: Likewise.
	* doc/c-sh.texi: Likewise.
	* doc/c-sh64.texi: Likewise.
	* doc/h8.texi: Likewise.
	* config/tc-h8300.c: Likewise.
	* config/tc-h8300.h: Likewise.
	* config/tc-h8500.c: Likewise.
	* config/tc-h8500.h: Likewise.
	* config/tc-sh.c: Likewise.
	* config/tc-sh.h: Likewise.
	* config/tc-sh64.c: Likewise.
	* config/tc-sh64.h: Likewise.

2003-04-10  Alexandre Oliva  <aoliva@redhat.com>

	* config/tc-mips.h (tc_frag_data_type, TC_FRAG_TYPE): New.
	* config/tc-mips.c: Use signed add for n32 address arithmetic.
	(append_insn): When filling delay slots with instructions
	that have fixups that tc_gen_reloc might consider modifyable
	in variant frags, start a new frag.
	(load_address): Generate GOT_DISP with of without offset
	depending on whether symbol is local.  For -xgot, use
	GOT_PAGE/GOT_OFST or GOT_HI16/GOT_LO16.
	(macro) <M_DLA_AB, M_LA_AB>: Likewise.
	<M_JAL_A>: In NewABI, use CALL16 or GOT_DISP for small got,
	CALL_HI16/CALL_LO16 or GOT_PAGE/GOT_OFST for big got.
	<ld_st>: In NewABI with small got, always use
	GOT_PAGE/GOT_OFST, with the latter in the load/store
	instruction.  With big got, use GOT_HI16/GOT_LO16 or
	GOT_PAGE/GOT_OFST.
	(tc_gen_reloc): Adjust variant frags with GOT_DISP in NewABI.
	Add tc_frag_data.tc_fr_offset to addends.  Decay CALL16,
	GOT_OFST and GOT_DISP to GOT_DISP in NewABI.
	(md_convert_frag): Use memmove for safe copying of overlapping
	regions.

2003-04-09  Stephane Carrez  <stcarrez@nerim.fr>

	* doc/c-m68hc11.texi (M68HC11-Opts): Document -m68hcs12, -mshort,
	-mlong, -mshort-double and -mlong-double options; use table @code.
	(M68HC11-Syntax): Update to document 68HC12 operands.
	(M68HC11-Modifiers): New section for operand modifiers.
	(M68HC11-Directives): New section for specific assembler directives.
	(M68HC11-Branch): Fix Overfull hbox error.

2003-04-09  Alexandre Oliva  <aoliva@redhat.com>

	* config/tc-mips.c (macro): Add comments explaining the rationale
	for Chris' change.

2003-04-09  Chris Demetriou  <cgd@broadcom.com>

	* config/tc-mips.c (macro): Put back `+ 0x8000' in test for 64-bit
	constant address that Alexandre took out by accident.  Reject
	64-bit addresses that are not sign extensions of 32 bits only if
	we don't support 64-bit address constants.

2003-04-09  Alan Modra  <amodra@bigpond.net.au>

	* config/tc-ppc.c (md_apply_fix3): Generate ADDR16 relocs.

2003-04-08  Nick Clifton  <nickc@redhat.com>

	* as.c (perform_an_assembly_pass): If using cgen, call
	gas_cgen_begin.
	* cgen.c (gas_cgen_begin): New function.  If
	flag_signed_overflow_ok is set call cgen_set_signed_overflow_ok
	otherwise call cgen_clear_signed_overflow_ok.
	* cgen.h: Prototype gas_cgen_begin.

2003-04-07  Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>

	* write.c (write_relocs): Remove unused variable.

2003-04-06  Chris Demetriou  <cgd@broadcom.com>

	* config/tc-mips.c (HAVE_64BIT_ADDRESS_CONSTANTS): New.
	(macro): Use new macro to decide whether to emit constant address
	as 32 or 64 bits if addresses are 32-bit wide but registers are
	64-bit wide.

2003-04-05  Stephane Carrez  <stcarrez@nerim.fr>

	* config/tc-m68hc11.c (M6811_OP_CALL_ADDR): New internal define.
	(M6811_OP_PAGE_ADDR): New internal define.
	(get_operand): New modifier %page and %addr to obtain page and
	address part of a far-function.
	(fixup8): Use BFD_RELOC_M68HC11_PAGE for a %page modifier; don't
	complain on overflow for the BFD_RELOC_M68HC11_PAGE and truncation
	relocs.
	(fixup16): Use BFD_RELOC_M68HC11_LO16 for a %addr modifier.
	(find_opcode): Add comment.
	(md_estimate_size_before_relax): Force relocation of
	STATE_UNDEXED_OFFSET types when the symbol is not absolute.
	(tc_m68hc11_fix_adjustable): Check for BFD_RELOC_M68HC11_LO16
	instead of BFD_RELOC_LO16; temporarily make the BFD_RELOC_32
	on the symbol itself so that DWARF2 strings are merged correctly.

2003-04-04  Svein E. Seldal  <Svein.Seldal@solidas.com>

	* config/obj-coff.h (TARGET_FORMAT): Namespace cleanup, changed
	default tic4x target format to 'coff2-tic4x'.
	* config/tc-tic4x.c: Namespace cleanup. Replace s/c4x/tic4x/ and
	s/c3x/tic3x/
	* config/tc-tic4x.h: Ditto

2003-04-03  Nick Clifton  <nickc@redhat.com>

	* NEWS: Mention support for Xtensa architecture.

2003-04-02  Philip Blundell  <philb@gnu.org>

	* config/tc-arm.c (arm_force_relocation): Return 0 for OFFSET_IMM.

2003-04-02  Chris Demetriou  <cgd@broadcom.com>

	* config/tc-mips.c (macro2): Adjust implementation of
	M_ULH, M_ULHU, M_ULW, and M_ULD so that they work properly
	in the case where the source and destination registers
	are the same.

2003-04-01  Bob Wilson  <bob.wilson@acm.org>

        * Makefile.am (CPU_TYPES): Add xtensa.
        (TARGET_CPU_CFILES): Add config/tc-xtensa.c.
        (TARGET_CPU_HFILES): Add config/tc-xtensa.h.
        (xtensa-relax.o): New target.
        Run "make dep-am".
        * Makefile.in: Regenerate.
        * configure.in: Handle xtensa-*-*.  Add xtensa-relax.o to
        extra_objects for xtensa targets.
        * configure: Regenerate.
        * write.c (write_object_file): Add new md_post_relax_hook.
        * config/tc-xtensa.c: New file.
        * config/tc-xtensa.h: Likewise.
        * config/xtensa-istack.h: Likewise.
        * config/xtensa-relax.c: Likewise.
        * config/xtensa-relax.h: Likewise.
        * doc/Makefile.am (CPU_DOCS): Add c-xtensa.texi.
        * doc/Makefile.in: Regenerate.
        * doc/all.texi: Set new XTENSA variable.
        * doc/as.texinfo: Set new Xtensa variable.  Describe
        Xtensa-specific options.  Define line comment character for
        Xtensa.  Add Xtensa processors to list of ELF targets where
        alignment is specified in bytes.  Add new Xtensa-Dependent node.
        Add acknowledgements for those contributing to the Xtensa port.
        * doc/internals.texi: Describe new md_post_relax_hook.
        * doc/c-xtensa.texi: New file.


2003-04-01  Nick Clifton  <nickc@redhat.com>
	    Richard Earnshaw  <rearnsha@arm.com>

	* config/tc-arm.c: Remove presence of (r) and (tm) symbols.
	(ARM_ARCH_IWMMXT): Simplify.
	(insns): Place iwmmx instructions in correct place in table.
	(arm_add_note): New function: Add a note entry to a .note section.
	(md_begin): Make the default architecture be unknown.
	Suppress the creation of an arm note section.

2003-03-26  Eric Christopher  <echristo@redhat.com>

	* config/tc-mips.c (nopic_need_relax): Check for
        S_IS_EXTERN.

2003-03-25  Stan Cox   <scox@redhat.com>
	    Nick Clifton  <nickc@redhat.com>

	Contribute support for Intel's iWMMXt chip - an	ARM variant:

	* config/tc-arm.c: (ARM_CEXT_IWMMXT, ARM_ARCH_IWMMXT, WR_PREFIX,
	WC_PREFIX, REG_TYPE_IWMMXT): New constants.
	(enum wreg_type, enum iwmmxt_insn_type): New types.
	(wr_register, wc_register, wcg_register): New macros.
	(iwmmxt_table): New variable.
	(wreg_required_here, do_iwmmxt_byte_addr, do_iwmmxt_tandc,
	do_iwmmxt_tbcst, do_iwmmxt_textrc, do_iwmmxt_textrm,
	do_iwmmxt_tinsr, do_iwmmxt_tmcr, do_iwmmxt_tmcrr, do_iwmmxt_tmia,
	do_iwmmxt_tmovmsk, do_iwmmxt_tmrc, do_iwmmxt_tmrrc,
	do_iwmmxt_torc, do_iwmmxt_waligni, do_iwmmxt_wmov,
	do_iwmmxt_word_addr, do_iwmmxt_wrwr, do_iwmmxt_wrwrwcg,
	do_iwmmxt_wrwrwr, do_iwmmxt_wshufh, do_iwmmxt_wzero,
	cp_byte_address_offset, cp_byte_address_required_here,
	check_iwmmxt_insn): New	functions.
	(asm_opcode_insns): Add iWMMXt instructions.
	(md_begin): Set the mach value for iWMMXt targets.  Create a note
	section to identify iwmmxt binaries.
	(md_apply_fix3): Handle BFD_RELOC_ARM_CP_OFF_IMM_S2.
	* doc/c-arm.texi: Document the support for the iWMMXt.
	* NEWS: Mention new support.