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Enforce this on the assembler side, and disentangle command line option handling on the disassembler side accordingly. As a result in the opcode table specifying ATTMnemonic|ATTSyntax becomes redundant with just ATTMnemonic. Drop the now meaningless ATTSyntax and remove the then no longer accessible templates. --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -7052,13 +7052,14 @@ match_template (char mnem_suffix) /* Check AT&T mnemonic. */ specific_error = progress (unsupported_with_intel_mnemonic); - if (intel_mnemonic && t->opcode_modifier.attmnemonic) + if (!intel_syntax && intel_mnemonic && t->opcode_modifier.attmnemonic) continue; /* Check AT&T/Intel syntax. */ specific_error = progress (unsupported_syntax); - if ((intel_syntax && t->opcode_modifier.attsyntax) - || (!intel_syntax && t->opcode_modifier.intelsyntax)) + if (intel_syntax + ? t->opcode_modifier.attsyntax || t->opcode_modifier.attmnemonic + : t->opcode_modifier.intelsyntax) continue; /* Check Intel64/AMD64 ISA. */ @@ -15221,7 +15222,7 @@ md_show_usage (FILE *stream) else fprintf (stream, _("(default: intel)\n")); fprintf (stream, _("\ - use AT&T/Intel mnemonic\n")); + use AT&T/Intel mnemonic (AT&T syntax only)\n")); fprintf (stream, _("\ -msyntax=[att|intel] (default: att)\n\ use AT&T/Intel syntax\n")); --- a/gas/config/tc-i386-intel.c +++ b/gas/config/tc-i386-intel.c @@ -824,7 +824,9 @@ i386_intel_operand (char *operand_string unsigned int op = t->operands - 1 - this_operand; /* Easy checks to skip templates which won't match anyway. */ - if (this_operand >= t->operands || t->opcode_modifier.attsyntax) + if (this_operand >= t->operands + || t->opcode_modifier.attsyntax + || t->opcode_modifier.attmnemonic) continue; switch (suffix) --- a/gas/testsuite/gas/i386/compat-intel.d +++ b/gas/testsuite/gas/i386/compat-intel.d @@ -1,4 +1,4 @@ -#as: -mmnemonic=att +#as: -mmnemonic=intel #objdump: -d -Mintel-mnemonic #name: i386 float Intel mnemonic #source: compat.s @@ -8,24 +8,24 @@ Disassembly of section .text: 0+ <.text>: -[ ]*[a-f0-9]+: dc e3 fsubr st\(3\),st -[ ]*[a-f0-9]+: d8 e3 fsub st,st\(3\) -[ ]*[a-f0-9]+: de e1 fsubrp st\(1\),st -[ ]*[a-f0-9]+: de e3 fsubrp st\(3\),st -[ ]*[a-f0-9]+: de e3 fsubrp st\(3\),st -[ ]*[a-f0-9]+: dc eb fsub st\(3\),st -[ ]*[a-f0-9]+: d8 eb fsubr st,st\(3\) -[ ]*[a-f0-9]+: de e9 fsubp st\(1\),st -[ ]*[a-f0-9]+: de eb fsubp st\(3\),st -[ ]*[a-f0-9]+: de eb fsubp st\(3\),st -[ ]*[a-f0-9]+: dc f3 fdivr st\(3\),st -[ ]*[a-f0-9]+: d8 f3 fdiv st,st\(3\) -[ ]*[a-f0-9]+: de f1 fdivrp st\(1\),st -[ ]*[a-f0-9]+: de f3 fdivrp st\(3\),st -[ ]*[a-f0-9]+: de f3 fdivrp st\(3\),st -[ ]*[a-f0-9]+: dc fb fdiv st\(3\),st -[ ]*[a-f0-9]+: d8 fb fdivr st,st\(3\) -[ ]*[a-f0-9]+: de f9 fdivp st\(1\),st -[ ]*[a-f0-9]+: de fb fdivp st\(3\),st -[ ]*[a-f0-9]+: de fb fdivp st\(3\),st +[ ]*[a-f0-9]+: dc eb fsub %st,%st\(3\) +[ ]*[a-f0-9]+: d8 e3 fsub %st\(3\),%st +[ ]*[a-f0-9]+: de e9 fsubp %st,%st\(1\) +[ ]*[a-f0-9]+: de eb fsubp %st,%st\(3\) +[ ]*[a-f0-9]+: de eb fsubp %st,%st\(3\) +[ ]*[a-f0-9]+: dc e3 fsubr %st,%st\(3\) +[ ]*[a-f0-9]+: d8 eb fsubr %st\(3\),%st +[ ]*[a-f0-9]+: de e1 fsubrp %st,%st\(1\) +[ ]*[a-f0-9]+: de e3 fsubrp %st,%st\(3\) +[ ]*[a-f0-9]+: de e3 fsubrp %st,%st\(3\) +[ ]*[a-f0-9]+: dc fb fdiv %st,%st\(3\) +[ ]*[a-f0-9]+: d8 f3 fdiv %st\(3\),%st +[ ]*[a-f0-9]+: de f9 fdivp %st,%st\(1\) +[ ]*[a-f0-9]+: de fb fdivp %st,%st\(3\) +[ ]*[a-f0-9]+: de fb fdivp %st,%st\(3\) +[ ]*[a-f0-9]+: dc f3 fdivr %st,%st\(3\) +[ ]*[a-f0-9]+: d8 fb fdivr %st\(3\),%st +[ ]*[a-f0-9]+: de f1 fdivrp %st,%st\(1\) +[ ]*[a-f0-9]+: de f3 fdivrp %st,%st\(3\) +[ ]*[a-f0-9]+: de f3 fdivrp %st,%st\(3\) #pass --- a/gas/testsuite/gas/i386/compat-intel2.d +++ b/gas/testsuite/gas/i386/compat-intel2.d @@ -1,5 +1,5 @@ #as: -mmnemonic=intel -#objdump: -d -Mintel-mnemonic +#objdump: -d -Mintel #name: i386 float Intel mnemonic (2) #source: compat.s --- a/gas/testsuite/gas/i386/intel.d +++ b/gas/testsuite/gas/i386/intel.d @@ -1,7 +1,6 @@ #as: -J #objdump: -dw #name: i386 intel (AT&T disassembly) -#warning_output: intel.e .*: +file format .* @@ -634,7 +633,6 @@ Disassembly of section .text: [ ]*[a-f0-9]+: b3 47 [ ]*mov \$0x47,%bl [ ]*[a-f0-9]+: 0f ad d0 [ ]*shrd %cl,%edx,%eax [ ]*[a-f0-9]+: 0f a5 d0 [ ]*shld %cl,%edx,%eax -[ ]*[a-f0-9]+: de c1 faddp %st,%st\(1\) [ ]*[a-f0-9]+: d8 c3 fadd %st\(3\),%st [ ]*[a-f0-9]+: d8 c3 fadd %st\(3\),%st [ ]*[a-f0-9]+: dc c3 fadd %st,%st\(3\) @@ -643,7 +641,6 @@ Disassembly of section .text: [ ]*[a-f0-9]+: de c1 faddp %st,%st\(1\) [ ]*[a-f0-9]+: de c3 faddp %st,%st\(3\) [ ]*[a-f0-9]+: de c3 faddp %st,%st\(3\) -[ ]*[a-f0-9]+: de f9 fdivrp %st,%st\(1\) [ ]*[a-f0-9]+: d8 f3 fdiv %st\(3\),%st [ ]*[a-f0-9]+: d8 f3 fdiv %st\(3\),%st [ ]*[a-f0-9]+: dc fb fdivr %st,%st\(3\) @@ -653,7 +650,6 @@ Disassembly of section .text: [ ]*[a-f0-9]+: de fb fdivrp %st,%st\(3\) [ ]*[a-f0-9]+: de fb fdivrp %st,%st\(3\) [ ]*[a-f0-9]+: d8 f3 fdiv %st\(3\),%st -[ ]*[a-f0-9]+: de f1 fdivp %st,%st\(1\) [ ]*[a-f0-9]+: d8 fb fdivr %st\(3\),%st [ ]*[a-f0-9]+: d8 fb fdivr %st\(3\),%st [ ]*[a-f0-9]+: dc f3 fdiv %st,%st\(3\) @@ -663,7 +659,6 @@ Disassembly of section .text: [ ]*[a-f0-9]+: de f3 fdivp %st,%st\(3\) [ ]*[a-f0-9]+: de f3 fdivp %st,%st\(3\) [ ]*[a-f0-9]+: d8 fb fdivr %st\(3\),%st -[ ]*[a-f0-9]+: de c9 fmulp %st,%st\(1\) [ ]*[a-f0-9]+: d8 cb fmul %st\(3\),%st [ ]*[a-f0-9]+: d8 cb fmul %st\(3\),%st [ ]*[a-f0-9]+: dc cb fmul %st,%st\(3\) @@ -672,8 +667,6 @@ Disassembly of section .text: [ ]*[a-f0-9]+: de c9 fmulp %st,%st\(1\) [ ]*[a-f0-9]+: de cb fmulp %st,%st\(3\) [ ]*[a-f0-9]+: de cb fmulp %st,%st\(3\) -[ ]*[a-f0-9]+: de e9 fsubrp %st,%st\(1\) -[ ]*[a-f0-9]+: de e1 fsubp %st,%st\(1\) [ ]*[a-f0-9]+: d8 e3 fsub %st\(3\),%st [ ]*[a-f0-9]+: d8 e3 fsub %st\(3\),%st [ ]*[a-f0-9]+: dc eb fsubr %st,%st\(3\) --- a/gas/testsuite/gas/i386/intel.e +++ /dev/null @@ -1,7 +0,0 @@ -.*: Assembler messages: -.*:635: Warning: translating to `faddp' -.*:644: Warning: translating to `fdivp' -.*:654: Warning: translating to `fdivrp' -.*:664: Warning: translating to `fmulp' -.*:673: Warning: translating to `fsubp' -.*:674: Warning: translating to `fsubrp' --- a/gas/testsuite/gas/i386/intel.s +++ b/gas/testsuite/gas/i386/intel.s @@ -632,7 +632,6 @@ rot5: shrd eax, edx, cl shld eax, edx, cl -fadd fadd st(3) fadd st,st(3) fadd st(3),st @@ -641,7 +640,6 @@ fadd QWORD PTR [ebx] faddp faddp st(3) faddp st(3),st -fdiv fdiv st(3) fdiv st,st(3) fdiv st(3),st @@ -651,7 +649,6 @@ fdivp fdivp st(3) fdivp st(3),st fdiv st,st(3) -fdivr fdivr st(3) fdivr st,st(3) fdivr st(3),st @@ -661,7 +658,6 @@ fdivrp fdivrp st(3) fdivrp st(3),st fdivr st,st(3) -fmul fmul st(3) fmul st,st(3) fmul st(3),st @@ -670,8 +666,6 @@ fmul QWORD PTR [ebx] fmulp fmulp st(3) fmulp st(3),st -fsub -fsubr fsub st(3) fsub st,st(3) fsub st(3),st --- a/gas/testsuite/gas/i386/intel-intel.d +++ b/gas/testsuite/gas/i386/intel-intel.d @@ -2,7 +2,6 @@ #objdump: -dwMintel #name: i386 intel #source: intel.s -#warning_output: intel.e .*: +file format .* @@ -635,7 +634,6 @@ Disassembly of section .text: [ ]*[a-f0-9]+: b3 47 + mov bl,0x47 [ ]*[a-f0-9]+: 0f ad d0 + shrd eax,edx,cl [ ]*[a-f0-9]+: 0f a5 d0 + shld eax,edx,cl -[ ]*[a-f0-9]+: de c1 + faddp st\(1\),st [ ]*[a-f0-9]+: d8 c3 + fadd st,st\(3\) [ ]*[a-f0-9]+: d8 c3 + fadd st,st\(3\) [ ]*[a-f0-9]+: dc c3 + fadd st\(3\),st @@ -644,7 +642,6 @@ Disassembly of section .text: [ ]*[a-f0-9]+: de c1 + faddp st\(1\),st [ ]*[a-f0-9]+: de c3 + faddp st\(3\),st [ ]*[a-f0-9]+: de c3 + faddp st\(3\),st -[ ]*[a-f0-9]+: de f9 + fdivp st\(1\),st [ ]*[a-f0-9]+: d8 f3 + fdiv st,st\(3\) [ ]*[a-f0-9]+: d8 f3 + fdiv st,st\(3\) [ ]*[a-f0-9]+: dc fb + fdiv st\(3\),st @@ -654,7 +651,6 @@ Disassembly of section .text: [ ]*[a-f0-9]+: de fb + fdivp st\(3\),st [ ]*[a-f0-9]+: de fb + fdivp st\(3\),st [ ]*[a-f0-9]+: d8 f3 + fdiv st,st\(3\) -[ ]*[a-f0-9]+: de f1 + fdivrp st\(1\),st [ ]*[a-f0-9]+: d8 fb + fdivr st,st\(3\) [ ]*[a-f0-9]+: d8 fb + fdivr st,st\(3\) [ ]*[a-f0-9]+: dc f3 + fdivr st\(3\),st @@ -664,7 +660,6 @@ Disassembly of section .text: [ ]*[a-f0-9]+: de f3 + fdivrp st\(3\),st [ ]*[a-f0-9]+: de f3 + fdivrp st\(3\),st [ ]*[a-f0-9]+: d8 fb + fdivr st,st\(3\) -[ ]*[a-f0-9]+: de c9 + fmulp st\(1\),st [ ]*[a-f0-9]+: d8 cb + fmul st,st\(3\) [ ]*[a-f0-9]+: d8 cb + fmul st,st\(3\) [ ]*[a-f0-9]+: dc cb + fmul st\(3\),st @@ -673,8 +668,6 @@ Disassembly of section .text: [ ]*[a-f0-9]+: de c9 + fmulp st\(1\),st [ ]*[a-f0-9]+: de cb + fmulp st\(3\),st [ ]*[a-f0-9]+: de cb + fmulp st\(3\),st -[ ]*[a-f0-9]+: de e9 + fsubp st\(1\),st -[ ]*[a-f0-9]+: de e1 + fsubrp st\(1\),st [ ]*[a-f0-9]+: d8 e3 + fsub st,st\(3\) [ ]*[a-f0-9]+: d8 e3 + fsub st,st\(3\) [ ]*[a-f0-9]+: dc eb + fsub st\(3\),st --- a/opcodes/i386-dis.c +++ b/opcodes/i386-dis.c @@ -8571,10 +8571,10 @@ with the -M switch (multiple options sho fprintf (stream, _(" i8086 Disassemble in 16bit mode\n")); fprintf (stream, _(" att Display instruction in AT&T syntax\n")); fprintf (stream, _(" intel Display instruction in Intel syntax\n")); - fprintf (stream, _(" att-mnemonic\n" - " Display instruction in AT&T mnemonic\n")); - fprintf (stream, _(" intel-mnemonic\n" - " Display instruction in Intel mnemonic\n")); + fprintf (stream, _(" att-mnemonic (AT&T syntax only)\n" + " Display instruction with AT&T mnemonic\n")); + fprintf (stream, _(" intel-mnemonic (AT&T syntax only)\n" + " Display instruction with Intel mnemonic\n")); fprintf (stream, _(" addr64 Assume 64bit address size\n")); fprintf (stream, _(" addr32 Assume 32bit address size\n")); fprintf (stream, _(" addr16 Assume 16bit address size\n")); @@ -9241,9 +9241,10 @@ print_insn (bfd_vma pc, disassemble_info } else if (startswith (p, "intel")) { - ins.intel_syntax = 1; if (startswith (p + 5, "-mnemonic")) ins.intel_mnemonic = true; + else + ins.intel_syntax = 1; } else if (startswith (p, "att")) { --- a/opcodes/i386-opc.tbl +++ b/opcodes/i386-opc.tbl @@ -704,14 +704,13 @@ faddp, 0xdec1, FP, NoSuf, {} fsub, 0xd8/4, FP, Modrm|NoSuf, { FloatReg } fsub, 0xd8/4, FP, D|Modrm|NoSuf, { FloatReg, FloatAcc } // alias for fsubp -fsub, 0xdee1, FP, NoSuf|Ugh|ATTMnemonic|ATTSyntax, {} -fsub, 0xdee9, FP, NoSuf|Ugh|ATTMnemonic, {} +fsub, 0xdee1, FP, NoSuf|Ugh|ATTMnemonic, {} fsub, 0xd8/4, FP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf, { Dword|Qword|Unspecified|BaseIndex } fisub, 0xde/4, FP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf, { Word|Dword|Unspecified|BaseIndex } -fsubp, 0xde/4, FP, Modrm|NoSuf|ATTMnemonic|ATTSyntax, { FloatAcc, FloatReg } -fsubp, 0xde/4, FP, Modrm|NoSuf|ATTMnemonic|ATTSyntax, { FloatReg } -fsubp, 0xdee1, FP, NoSuf|ATTMnemonic|ATTSyntax, {} +fsubp, 0xde/4, FP, Modrm|NoSuf|ATTMnemonic, { FloatAcc, FloatReg } +fsubp, 0xde/4, FP, Modrm|NoSuf|ATTMnemonic, { FloatReg } +fsubp, 0xdee1, FP, NoSuf|ATTMnemonic, {} fsubp, 0xde/5, FP, Modrm|NoSuf, { FloatAcc, FloatReg } fsubp, 0xde/5, FP, Modrm|NoSuf, { FloatReg } fsubp, 0xdee9, FP, NoSuf, {} @@ -720,14 +719,13 @@ fsubp, 0xdee9, FP, NoSuf, {} fsubr, 0xd8/5, FP, Modrm|NoSuf, { FloatReg } fsubr, 0xd8/5, FP, D|Modrm|NoSuf, { FloatReg, FloatAcc } // alias for fsubrp -fsubr, 0xdee9, FP, NoSuf|Ugh|ATTMnemonic|ATTSyntax, {} -fsubr, 0xdee1, FP, NoSuf|Ugh|ATTMnemonic, {} +fsubr, 0xdee9, FP, NoSuf|Ugh|ATTMnemonic, {} fsubr, 0xd8/5, FP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf, { Dword|Qword|Unspecified|BaseIndex } fisubr, 0xde/5, FP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf, { Word|Dword|Unspecified|BaseIndex } -fsubrp, 0xde/5, FP, Modrm|NoSuf|ATTMnemonic|ATTSyntax, { FloatAcc, FloatReg } -fsubrp, 0xde/5, FP, Modrm|NoSuf|ATTMnemonic|ATTSyntax, { FloatReg } -fsubrp, 0xdee9, FP, NoSuf|ATTMnemonic|ATTSyntax, {} +fsubrp, 0xde/5, FP, Modrm|NoSuf|ATTMnemonic, { FloatAcc, FloatReg } +fsubrp, 0xde/5, FP, Modrm|NoSuf|ATTMnemonic, { FloatReg } +fsubrp, 0xdee9, FP, NoSuf|ATTMnemonic, {} fsubrp, 0xde/4, FP, Modrm|NoSuf, { FloatAcc, FloatReg } fsubrp, 0xde/4, FP, Modrm|NoSuf, { FloatReg } fsubrp, 0xdee1, FP, NoSuf, {} @@ -749,14 +747,13 @@ fmulp, 0xdec9, FP, NoSuf, {} fdiv, 0xd8/6, FP, Modrm|NoSuf, { FloatReg } fdiv, 0xd8/6, FP, D|Modrm|NoSuf, { FloatReg, FloatAcc } // alias for fdivp -fdiv, 0xdef1, FP, NoSuf|Ugh|ATTMnemonic|ATTSyntax, {} -fdiv, 0xdef9, FP, NoSuf|Ugh|ATTMnemonic, {} +fdiv, 0xdef1, FP, NoSuf|Ugh|ATTMnemonic, {} fdiv, 0xd8/6, FP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf, { Dword|Qword|Unspecified|BaseIndex } fidiv, 0xde/6, FP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf, { Word|Dword|Unspecified|BaseIndex } -fdivp, 0xde/6, FP, Modrm|NoSuf|ATTMnemonic|ATTSyntax, { FloatAcc, FloatReg } -fdivp, 0xde/6, FP, Modrm|NoSuf|ATTMnemonic|ATTSyntax, { FloatReg } -fdivp, 0xdef1, FP, NoSuf|ATTMnemonic|ATTSyntax, {} +fdivp, 0xde/6, FP, Modrm|NoSuf|ATTMnemonic, { FloatAcc, FloatReg } +fdivp, 0xde/6, FP, Modrm|NoSuf|ATTMnemonic, { FloatReg } +fdivp, 0xdef1, FP, NoSuf|ATTMnemonic, {} fdivp, 0xde/7, FP, Modrm|NoSuf, { FloatAcc, FloatReg } fdivp, 0xde/7, FP, Modrm|NoSuf, { FloatReg } fdivp, 0xdef9, FP, NoSuf, {} @@ -765,14 +762,13 @@ fdivp, 0xdef9, FP, NoSuf, {} fdivr, 0xd8/7, FP, Modrm|NoSuf, { FloatReg } fdivr, 0xd8/7, FP, D|Modrm|NoSuf, { FloatReg, FloatAcc } // alias for fdivrp -fdivr, 0xdef9, FP, NoSuf|Ugh|ATTMnemonic|ATTSyntax, {} -fdivr, 0xdef1, FP, NoSuf|Ugh|ATTMnemonic, {} +fdivr, 0xdef9, FP, NoSuf|Ugh|ATTMnemonic, {} fdivr, 0xd8/7, FP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf, { Dword|Qword|Unspecified|BaseIndex } fidivr, 0xde/7, FP, Modrm|FloatMF|No_bSuf|No_wSuf|No_qSuf, { Word|Dword|Unspecified|BaseIndex } -fdivrp, 0xde/7, FP, Modrm|NoSuf|ATTMnemonic|ATTSyntax, { FloatAcc, FloatReg } -fdivrp, 0xde/7, FP, Modrm|NoSuf|ATTMnemonic|ATTSyntax, { FloatReg } -fdivrp, 0xdef9, FP, NoSuf|ATTMnemonic|ATTSyntax, {} +fdivrp, 0xde/7, FP, Modrm|NoSuf|ATTMnemonic, { FloatAcc, FloatReg } +fdivrp, 0xde/7, FP, Modrm|NoSuf|ATTMnemonic, { FloatReg } +fdivrp, 0xdef9, FP, NoSuf|ATTMnemonic, {} fdivrp, 0xde/6, FP, Modrm|NoSuf, { FloatAcc, FloatReg } fdivrp, 0xde/6, FP, Modrm|NoSuf, { FloatReg } fdivrp, 0xdef1, FP, NoSuf, {} From patchwork Fri Dec 1 13:31:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Beulich X-Patchwork-Id: 172492 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 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Note that this shrinks i386_opcode_modifier back to 2 32-bit words (albeit that's not for long, seeing in-flight additions for APX). --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -7052,14 +7052,15 @@ match_template (char mnem_suffix) /* Check AT&T mnemonic. */ specific_error = progress (unsupported_with_intel_mnemonic); - if (!intel_syntax && intel_mnemonic && t->opcode_modifier.attmnemonic) + if (!intel_syntax && intel_mnemonic + && t->opcode_modifier.dialect == ATT_MNEMONIC) continue; /* Check AT&T/Intel syntax. */ specific_error = progress (unsupported_syntax); if (intel_syntax - ? t->opcode_modifier.attsyntax || t->opcode_modifier.attmnemonic - : t->opcode_modifier.intelsyntax) + ? t->opcode_modifier.dialect >= ATT_SYNTAX + : t->opcode_modifier.dialect == INTEL_SYNTAX) continue; /* Check Intel64/AMD64 ISA. */ --- a/gas/config/tc-i386-intel.c +++ b/gas/config/tc-i386-intel.c @@ -825,8 +825,7 @@ i386_intel_operand (char *operand_string /* Easy checks to skip templates which won't match anyway. */ if (this_operand >= t->operands - || t->opcode_modifier.attsyntax - || t->opcode_modifier.attmnemonic) + || t->opcode_modifier.dialect >= ATT_SYNTAX) continue; switch (suffix) --- a/opcodes/i386-gen.c +++ b/opcodes/i386-gen.c @@ -482,9 +482,7 @@ static bitfield opcode_modifiers[] = BITFIELD (Disp8MemShift), BITFIELD (Vsz), BITFIELD (Optimize), - BITFIELD (ATTMnemonic), - BITFIELD (ATTSyntax), - BITFIELD (IntelSyntax), + BITFIELD (Dialect), BITFIELD (ISA64), }; --- a/opcodes/i386-opc.h +++ b/opcodes/i386-opc.h @@ -729,12 +729,12 @@ enum /* Support encoding optimization. */ Optimize, - /* AT&T mnemonic. */ - ATTMnemonic, - /* AT&T syntax. */ - ATTSyntax, - /* Intel syntax. */ - IntelSyntax, + /* Language dialect. NOTE: Order matters! */ +#define INTEL_SYNTAX 1 +#define ATT_SYNTAX 2 +#define ATT_MNEMONIC 3 + Dialect, + /* ISA64: Don't change the order without other code adjustments. 0: Common to AMD64 and Intel64. 1: AMD64. @@ -788,9 +788,7 @@ typedef struct i386_opcode_modifier unsigned int disp8memshift:3; unsigned int vsz:3; unsigned int optimize:1; - unsigned int attmnemonic:1; - unsigned int attsyntax:1; - unsigned int intelsyntax:1; + unsigned int dialect:2; unsigned int isa64:2; } i386_opcode_modifier; --- a/opcodes/i386-opc.tbl +++ b/opcodes/i386-opc.tbl @@ -86,6 +86,10 @@ #define SwapSources OperandConstraint=SWAP_SOURCES #define Ugh OperandConstraint=UGH +#define ATTSyntax Dialect=ATT_SYNTAX +#define ATTMnemonic Dialect=ATT_MNEMONIC +#define IntelSyntax Dialect=INTEL_SYNTAX + #define IgnoreSize MnemonicSize=IGNORESIZE #define DefaultSize MnemonicSize=DEFAULTSIZE