Commit Graph

13 Commits

Author SHA1 Message Date
H.J. Lu 99dce992c4 Add RegRex64 to riz
* i386-reg.tbl (riz): Add RegRex64.
	* i386-tbl.h: Regenerated.
2013-03-02 01:57:48 +00:00
Alan Modra aa820537ea update copyright dates 2009-09-02 07:25:43 +00:00
H.J. Lu a656ed5bea binutils/
2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>

	* dwarf.c (dwarf_regnames_i386): Remove AVX registers.
	(dwarf_regnames_x86_64): Likewise.

gas/testsuite/

2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>

	* gas/cfi/cfi-i386.s: Remove tests for AVX register maps.
	* gas/cfi/cfi-x86_64.s: Likewise.

	* gas/cfi/cfi-i386.d: Updated.
	* gas/cfi/cfi-x86_64.d: Likewise.

opcodes/

2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>

	* i386-reg.tbl: Use Dw2Inval on AVX registers.
	* i386-tbl.h: Regenerated.
2008-08-01 14:21:30 +00:00
H.J. Lu c0f3af977b binutils/
2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>

	* dwarf.c (dwarf_regnames_i386): Add AVX registers.
	(dwarf_regnames_x86_64): Likewise.

gas/

2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>

	* NEWS: Mention AES, CLMUL, AVX/FMA and -msse2avx.

	* doc/c-i386.texi: Add avx, aes, clmul and fma to -march=.
	Document -msse2avx, .avx, .aes, .clmul and .fma.

	* config/tc-i386.c (YMMWORD_MNEM_SUFFIX): New.
	(vex_prefix): Likewise.
	(sse2avx): Likewise.
	(CPU_FLAGS_ARCH_MATCH): Likewise.
	(CPU_FLAGS_64BIT_MATCH): Likewise.
	(CPU_FLAGS_32BIT_MATCH): Likewise.
	(CPU_FLAGS_PERFECT_MATCH): Likewise.
	(regymm): Likewise.
	(vex_imm4): Likewise.
	(fits_in_imm4): Likewise.
	(build_vex_prefix): Likewise.
	(VEX_check_operands): Likewise.
	(bad_implicit_operand): Likewise.
	(OPTION_MSSE2AVX): Likewise.
	(T_YMMWORD): Likewise.
	(_i386_insn): Add vex.
	(cpu_arch): Add .avx, .aes, .clmul and .fma.
	(cpu_flags_match): Changed to take a pointer to const template.
	Enable encoding SSE instructions with VEX prefix for -msse2avx.
	(match_mem_size): Also check ymmword.
	(operand_type_match): Clear ymmword.
	(md_begin): Allow '_' in mnemonic.
	(type_names): Add OPERAND_TYPE_VEX_IMM4.
	(process_immext): Update assert.
	(md_assemble): Don't call process_immext if sse2avx and immext
	are true.  Call build_vex_prefix if vex is true.
	(parse_insn): Updated for cpu_flags_match.
	(swap_operands): Handle 5 operands.
	(match_template): Handle 5 operands. Updated for cpu_flags_match.
	Check regymm.  Call VEX_check_operands. Handle YMMWORD_MNEM_SUFFIX.
	(process_suffix): Handle YMMWORD_MNEM_SUFFIX.
	(check_byte_reg): Check regymm.
	(process_operands): Duplicate the destination register for
	-msse2avx if needed.
	(build_modrm_byte): Updated for instructions with VEX encoding.
	(output_insn): Output VEX prefix if needed.
	(md_longopts): Add msse2avx.
	(md_parse_option): Handle OPTION_MSSE2AVX.
	(md_show_usage): Add avx, aes, clmul, fma and -msse2avx.
	(intel_e09): Support YMMWORD.
	(intel_e11): Likewise.
	(intel_get_token): Likewise.

gas/testsuite/

2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>

	* gas/i386/i386.exp: Run aes, aes-intel, x86-64-aes,
	x86-64-aes-intel, avx, avx-intel, inval-avx, x86-64-avx,
	x86-64-avx-intel and x86-64-inval-avx.

	* gas/cfi/cfi-i386.s: Add tests for AVX register maps.
	* gas/cfi/cfi-x86_64.s: Likewise.

	* gas/i386/aes.d: New.
	* gas/i386/aes.s: Likewise.
	* gas/i386/aes-intel.d: Likewise.
	* gas/i386/avx.d: Likewise.
	* gas/i386/avx.s: Likewise.
	* gas/i386/avx-intel.d: Likewise.
	* gas/i386/clmul.d: Likewise.
	* gas/i386/clmul-intel.d: Likewise.
	* gas/i386/clmul.s: Likewise.
	* gas/i386/i386.exp: Likewise.
	* gas/i386/inval-avx.l: Likewise.
	* gas/i386/inval-avx.s: Likewise.
	* gas/i386/sse2avx.d: Likewise.
	* gas/i386/sse2avx.s: Likewise.
	* gas/i386/x86-64-aes.d: Likewise.
	* gas/i386/x86-64-aes.s: Likewise.
	* gas/i386/x86-64-aes-intel.d: Likewise.
	* gas/i386/x86-64-avx.d: Likewise.
	* gas/i386/x86-64-avx.s: Likewise.
	* gas/i386/x86-64-avx-intel.d: Likewise.
	* gas/i386/x86-64-clmul.d: Likewise.
	* gas/i386/x86-64-clmul-intel.d: Likewise.
	* gas/i386/x86-64-clmul.s: Likewise.
	* gas/i386/x86-64-inval-avx.l: Likewise.
	* gas/i386/x86-64-inval-avx.s: Likewise.
	* gas/i386/x86-64-sse2avx.d: Likewise.
	* gas/i386/x86-64-sse2avx.s: Likewise.

	* gas/i386/arch-10.s: Add tests for AVX, AES, CLMUL and FMA.
	* gas/i386/x86-64-arch-2.s: Likewise.

	* gas/i386/rexw.s: Add AVX tests.

	* gas/i386/x86-64-opcode-inval.s: Remove lds/les test.

	* gas/cfi/cfi-i386.d: Updated.
	* gas/cfi/cfi-x86_64.d: Likewise.
	* gas/i386/arch-10.d:  Likewise.
	* gas/i386/arch-10-1.l: Likewise.
	* gas/i386/arch-10-2.l: Likewise.
	* gas/i386/arch-10-3.l: Likewise.
	* gas/i386/arch-10-4.l: Likewise.
	* gas/i386/rexw.d: Likewise.
	* gas/i386/x86-64-arch-2.d: Likewise.
	* gas/i386/x86-64-opcode-inval.d: Likewise.
	* gas/i386/x86-64-opcode-inval-intel.d: Likewise.

include/opcode/

2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>

	* i386.h (MAX_OPERANDS): Set to 5.
	(MAX_MNEM_SIZE): Changed to 20.

opcodes/

2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>

	* i386-dis.c (OP_E_register): New.
	(OP_E_memory): Likewise.
	(OP_VEX): Likewise.
	(OP_EX_Vex): Likewise.
	(OP_EX_VexW): Likewise.
	(OP_XMM_Vex): Likewise.
	(OP_XMM_VexW): Likewise.
	(OP_REG_VexI4): Likewise.
	(PCLMUL_Fixup): Likewise.
	(VEXI4_Fixup): Likewise.
	(VZERO_Fixup): Likewise.
	(VCMP_Fixup): Likewise.
	(VPERMIL2_Fixup): Likewise.
	(rex_original): Likewise.
	(rex_ignored): Likewise.
	(Mxmm): Likewise.
	(XMM): Likewise.
	(EXxmm): Likewise.
	(EXxmmq): Likewise.
	(EXymmq): Likewise.
	(Vex): Likewise.
	(Vex128): Likewise.
	(Vex256): Likewise.
	(VexI4): Likewise.
	(EXdVex): Likewise.
	(EXqVex): Likewise.
	(EXVexW): Likewise.
	(EXdVexW): Likewise.
	(EXqVexW): Likewise.
	(XMVex): Likewise.
	(XMVexW): Likewise.
	(XMVexI4): Likewise.
	(PCLMUL): Likewise.
	(VZERO): Likewise.
	(VCMP): Likewise.
	(VPERMIL2): Likewise.
	(xmm_mode): Likewise.
	(xmmq_mode): Likewise.
	(ymmq_mode): Likewise.
	(vex_mode): Likewise.
	(vex128_mode): Likewise.
	(vex256_mode): Likewise.
	(USE_VEX_C4_TABLE): Likewise.
	(USE_VEX_C5_TABLE): Likewise.
	(USE_VEX_LEN_TABLE): Likewise.
	(VEX_C4_TABLE): Likewise.
	(VEX_C5_TABLE): Likewise.
	(VEX_LEN_TABLE): Likewise.
	(REG_VEX_XX): Likewise.
	(MOD_VEX_XXX): Likewise.
	(PREFIX_0F38DB..PREFIX_0F38DF): Likewise.
	(PREFIX_0F3A44): Likewise.
	(PREFIX_0F3ADF): Likewise.
	(PREFIX_VEX_XXX): Likewise.
	(VEX_OF): Likewise.
	(VEX_OF38): Likewise.
	(VEX_OF3A): Likewise.
	(VEX_LEN_XXX): Likewise.
	(vex): Likewise.
	(need_vex): Likewise.
	(need_vex_reg): Likewise.
	(vex_i4_done): Likewise.
	(vex_table): Likewise.
	(vex_len_table): Likewise.
	(OP_REG_VexI4): Likewise.
	(vex_cmp_op): Likewise.
	(pclmul_op): Likewise.
	(vpermil2_op): Likewise.
	(m_mode): Updated.
	(es_reg): Likewise.
	(PREFIX_0F38F0): Likewise.
	(PREFIX_0F3A60): Likewise.
	(reg_table): Add REG_VEX_71...REG_VEX_73 and REG_VEX_AE.
	(prefix_table): Add PREFIX_0F38DB..PREFIX_0F38DF, PREFIX_0F3ADF
	and PREFIX_VEX_XXX entries.
	(x86_64_table): Use VEX_C4_TABLE and VEX_C5_TABLE.
	(three_byte_table): Use PREFIX_0F38DB..PREFIX_0F38DF and
	PREFIX_0F3ADF.
	(mod_table): Use VEX_C4_TABLE, VEX_C5_TABLE and VEX_LEN_TABLE.
	Add MOD_VEX_XXX entries.
	(ckprefix): Initialize rex_original and rex_ignored.  Store the
	REX byte in rex_original.
	(get_valid_dis386): Handle the implicit prefix in VEX prefix
	bytes and USE_VEX_LEN_TABLE/USE_VEX_C4_TABLE/USE_VEX_C5_TABLE.
	(print_insn): Set need_vex/need_vex_reg/vex_i4_done to 0 before
	calling get_valid_dis386.  Use rex_original and rex_ignored when
	printing out REX.
	(putop): Handle "XY".
	(intel_operand_size): Handle VEX, xmm_mode, xmmq_mode and
	ymmq_mode.
	(OP_E_extended): Updated to use OP_E_register and
	OP_E_memory.
	(OP_XMM): Handle VEX.
	(OP_EX): Likewise.
	(XMM_Fixup): Likewise.
	(CMP_Fixup): Use ARRAY_SIZE.

	* i386-gen.c (cpu_flag_init): Add CpuAES, CPU_CLMUL_FLAGS,
	CPU_FMA_FLAGS and CPU_AVX_FLAGS.
	(operand_type_init): Add OPERAND_TYPE_REGYMM and
	OPERAND_TYPE_VEX_IMM4.
	(cpu_flags): Add CpuAVX, CpuAES, CpuCLMUL and CpuFMA.
	(opcode_modifiers): Add Implicit1stXmm0, Vex, Vex256, VexNDD,
	VexNDS, VexW0, VexW1, Vex0F, Vex0F38, Vex0F3A, Vex3Sources,
	VexImmExt and SSE2AVX.
	(operand_types): Add RegYMM, Ymmword and Vex_Imm4.

	* i386-opc.h (CpuAVX): New.
	(CpuAES): Likewise.
	(CpuCLMUL): Likewise.
	(CpuFMA): Likewise.
	(Vex): Likewise.
	(Vex256): Likewise.
	(VexNDS): Likewise.
	(VexNDD): Likewise.
	(VexW0): Likewise.
	(VexW1): Likewise.
	(Vex0F): Likewise.
	(Vex0F38): Likewise.
	(Vex0F3A): Likewise.
	(Vex3Sources): Likewise.
	(VexImmExt): Likewise.
	(SSE2AVX): Likewise.
	(RegYMM): Likewise.
	(Ymmword): Likewise.
	(Vex_Imm4): Likewise.
	(Implicit1stXmm0): Likewise.
	(CpuXsave): Updated.
	(CpuLM): Likewise.
	(ByteOkIntel): Likewise.
	(OldGcc): Likewise.
	(Control): Likewise.
	(Unspecified): Likewise.
	(OTMax): Likewise.
	(i386_cpu_flags): Add cpuavx, cpuaes, cpuclmul and cpufma.
	(i386_opcode_modifier): Add implicit1stxmm0, vex, vex256,
	vexnds, vexndd, vexw0, vexw1, vex0f, vex0f38, vex0f3a,
	vex3sources, veximmext and sse2avx.
	(i386_operand_type): Add regymm, ymmword and vex_imm4.

	* i386-opc.tbl: Add AES, CLMUL, AVX and FMA new instructions.

	* i386-reg.tbl: Add AVX registers, ymm0..ymm15.

	* i386-init.h: Regenerated.
	* i386-tbl.h: Likewise.
2008-04-03 14:03:21 +00:00
Jan Beulich b7240065b3 gas/
2008-02-13  Jan Beulich  <jbeulich@novell.com>

	* config/tc-i386.c (parse_real_register): Don't return 'FLAT'
	if not in Intel mode.
	(i386_intel_operand): Ignore segment overrides in immediate and
	offset operands.
	(intel_e11): Range-check i.mem_operands before use as array
	index. Filter out FLAT for uses other than as segment override.
	(intel_get_token): Remove broken promotion of "FLAT:" to mean
	"offset FLAT:".

gas/testsuite/
2008-02-13  Jan Beulich  <jbeulich@novell.com>

	* gas/i386/intelok.s: Replace invalid offset expression with
	valid ones.
	* gas/i386/x86_64.s: Likewise.

opcodes/
2008-02-13  Jan Beulich  <jbeulich@novell.com>

	* i386-opc.h (RegFlat): New.
	* i386-reg.tbl (flat): Add.
	* i386-tbl.h: Re-generate.
2008-02-13 13:41:26 +00:00
Jan Beulich a60de03c61 gas/
2008-02-13  Jan Beulich  <jbeulich@novell.com>

	* config/tc-i386.c (allow_pseudo_reg): New.
	(parse_real_register): Check for NULL just once. Allow all
	register table entries when allow_pseudo_reg is non-zero.
	Don't allow any registers without type when allow_pseudo_reg
	is zero.
	(tc_x86_regname_to_dw2regnum): Replace with ...
	(tc_x86_parse_to_dw2regnum): ... this.
	(tc_x86_frame_initial_instructions): Adjust for above change.
	* config/tc-i386.h (tc_regname_to_dw2regnum): Remove.
	(tc_parse_to_dw2regnum): New.
	(tc_x86_regname_to_dw2regnum): Replace with ...
	(tc_x86_parse_to_dw2regnum): ... this.
	* dw2gencfi.c (tc_parse_to_dw2regnum): New, broken out of ...
	(cfi_parse_reg): ... this. Use tc_parse_to_dw2regnum. Adjust
	error handling.

gas/testsuite/
2008-02-13  Jan Beulich  <jbeulich@novell.com>

	* gas/cfi/cfi-i386.s: Add code testing use of all registers.
	Fix a few comments.
	* gas/cfi/cfi-x86_64.s: Likewise.
	* gas/cfi/cfi-i386.d, gas/cfi/cfi-x86_64.d: Adjust.

opcodes/
2008-02-13  Jan Beulich  <jbeulich@novell.com>

	* i386-gen.c (process_i386_registers): Process new fields.
	* i386-opc.h (reg_entry): Shrink reg_flags and reg_num to
	unsigned char. Add dw2_regnum and Dw2Inval.
	* i386-reg.tbl: Provide initializers for dw2_regnum. Add pseudo
	register names.
	* i386-tbl.h: Re-generate.
2008-02-13 10:14:40 +00:00
H.J. Lu 7d5e4556a3 gas/testsuite/
2008-01-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR gas/5534
	* gas/i386/i386.s: Add tests for fnstsw and fstsw.
	* gas/i386/inval.s: Likewise.
	* gas/i386/x86_64.s: Likewise.

	* gas/i386/intel.s: Use word instead of dword on ss.

	* gas/i386/x86-64-inval.s: Add tests for fnstsw, fstsw, in
	and out.

	* gas/i386/prefix.s: Remove invalid fstsw.

	* gas/i386/inval.l: Updated.
	* gas/i386/intelbad.l: Likewise.
	* gas/i386/i386.d: Likewise.
	* gas/i386/x86_64.d: Likewise.
	* gas/i386/x86-64-inval.l: Likewise.
	* gas/i386/prefix.d: Updated.

gas/

2008-01-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR gas/5534
	* config/tc-i386.c (_i386_insn): Update comment.
	(operand_type_match): Also clear unspecified.
	(operand_type_register_match): Likewise.
	(parse_operands): Initialize unspecified.
	(i386_intel_operand): Likewise.
	(match_template): Check memory and accumulator operand size.
	(i386_att_operand): Clear unspecified on register operand.
	(intel_e11): Likewise.
	(intel_e09): Set operand size and clean unspecified for
	"XXX PTR".

opcodes/

2008-01-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR gas/5534
	* i386-gen.c (operand_type_init): Add Dword to
	OPERAND_TYPE_ACC32.  Add Qword to OPERAND_TYPE_ACC64.
	(opcode_modifiers): Remove CheckSize, Byte, Word, Dword,
	Qword and Xmmword.
	(operand_types): Add Byte, Word, Dword, Fword, Qword, Tbyte,
	Xmmword, Unspecified and Anysize.
	(set_bitfield): Make Mmword an alias of Qword.  Make Oword
	an alias of Xmmword.

	* i386-opc.h (CheckSize): Removed.
	(Byte): Updated.
	(Word): Likewise.
	(Dword): Likewise.
	(Qword): Likewise.
	(Xmmword): Likewise.
	(FWait): Updated.
	(OTMax): Likewise.
	(i386_opcode_modifier): Remove checksize, byte, word, dword,
	qword and xmmword.
	(Fword): New.
	(TBYTE): Likewise.
	(Unspecified): Likewise.
	(Anysize): Likewise.
	(i386_operand_type): Add byte, word, dword, fword, qword,
	tbyte xmmword, unspecified and anysize.

	* i386-opc.tbl: Updated to use Byte, Word, Dword, Fword, Qword,
	Tbyte, Xmmword, Unspecified and Anysize.

	* i386-reg.tbl: Add size for accumulator.

	* i386-init.h: Regenerated.
	* i386-tbl.h: Likewise.
2008-01-12 16:05:42 +00:00
Jan Beulich 9a04903eea gas/
2007-09-26  Jan Beulich  <jbeulich@novell.com>

	* config/tc-i386.c (build_modrm_byte): Also check for RegEip
	when considering IP-relative addressing.

gas/testsuite/
2007-09-26  Jan Beulich  <jbeulich@novell.com>

	* gas/i386/reloc64.s: Adjust for %eip-relative addressing no
	longer generating errors.
	* gas/i386/reloc64.d, gas/i386/reloc64.l: Update.
	* gas/i386/x86-64-addr32.s: Remove explicit addr32 prefix
	for %eip-realtive addressing case.

opcodes/
2007-09-26  Jan Beulich  <jbeulich@novell.com>

	* i386-opc.h (RegEip): Define.
	(RegEiz): Adjust.
	* i386-reg.tbl: Add eip. Mark rip and eip with RegRex64.
	* i386-tbl.h: Re-generate.
2007-09-26 13:40:59 +00:00
H.J. Lu db51cc60e2 gas/
2007-09-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR 658
	* config/tc-i386.c (SCALE1_WHEN_NO_INDEX): Removed.
	(set_allow_index_reg): New.
	(allow_index_reg): Likewise.
	(md_pseudo_table): Add "allow_index_reg" and
	"disallow_index_reg".
	(build_modrm_byte): Set i.sib.index to NO_INDEX_REGISTER for
	fake index registers.
	(i386_scale): Updated.
	(i386_index_check): Support fake index registers.
	(parse_real_register): Return NULL on eiz/riz if fake index
	registers aren't allowed.

gas/testsuite/

2007-09-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR 658
	* gas/i386/i386.exp: Run sib-intel, x86-64-sib and
	x86-64-sib-intel.

	* gas/i386/nops-1-i386-i686.d: Updated.
	* gas/i386/nops-1-i386.d: Likewise.
	* gas/i386/nops-1.d: Likewise.
	* gas/i386/nops-2-i386.d: Likewise.
	* gas/i386/nops-2-merom.d: Likewise.
	* gas/i386/nops-2.d: Likewise.
	* gas/i386/nops-3-i386.d: Likewise.
	* gas/i386/nops-3.d : Likewise.
	* gas/i386/sib.d: Likewise.

	* gas/i386/sib.s: Use %eiz in testcases.

	* gas/i386/sib-intel.d: New.
	* gas/i386/x86-64-sib-intel.d: Likewise.
	* gas/i386/x86-64-sib.d: Likewise.
	* gas/i386/x86-64-sib.s: Likewise.

ld/testsuite/

2007-09-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR 658
	* ld-i386/tlsbin.dd: Updated.
	* ld-i386/tlsld1.dd: Likewise.

opcodes/

2007-09-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR 658
	* 386-dis.c (index64): New.
	(index32): Likewise.
	(intel_index64): Likewise.
	(intel_index32): Likewise.
	(att_index64): Likewise.
	(att_index32): Likewise.
	(print_insn): Set index64 and index32.
	(OP_E_extended): Use index64/index32 for index register for
	SIB with INDEX == 4.

	* i386-opc.h (RegEiz): New.
	(RegRiz): Likewise.

	* i386-reg.tbl: Add eiz and riz.
	* i386-tbl.h: Regenerated.
2007-09-20 17:38:38 +00:00
H.J. Lu 20e192ab8d gas/
2007-09-17  H.J. Lu  <hongjiu.lu@intel.com>

	* config/tc-i386.c (baseindex): Removed.
	(build_modrm_byte): Check reg_num for RIP register instead of
	reg_type.
	(i386_index_check): Likewise.

opcodes/

2007-09-17  H.J. Lu  <hongjiu.lu@intel.com>

	* i386-opc.h (RegRip): New.

	* i386-reg.tbl (rip): Use RegRip for reg_num.
	* i386-tbl.h: Regenerated.
2007-09-18 00:56:54 +00:00
Nick Clifton 9b201bb5e5 Change source files over to GPLv3. 2007-07-05 09:49:03 +00:00
H.J. Lu f85fcb85a6 2007-06-29 H.J. Lu <hongjiu.lu@intel.com>
* i386-reg.tbl: Remove spaces before comments.
2007-06-29 20:07:53 +00:00
H.J. Lu 40b8e679e8 2007-06-28 H.J. Lu <hongjiu.lu@intel.com>
* Makefile.am (HFILES): Add i386-opc.h and i386-tbl.h.
	(CFILES): Add i386-gen.c.
	(i386-gen): New rule.
	(i386-gen.o): Likewise.
	(i386-tbl.h): Likewise.
	Run "make dep-am".
	* Makefile.in: Regenerated.

	* i386-gen.c: New file.
	* i386-opc.tbl: Likewise.
	* i386-reg.tbl: Likewise.
	* i386-tbl.h: Likewise.

	* i386-opc.c: Include "i386-tbl.h".
	(i386_optab): Removed.
	(i386_regtab): Likewise.
	(i386_regtab_size): Likewise.
2007-06-28 14:29:56 +00:00