{"id":6266,"date":"2017-02-09T23:37:07","date_gmt":"2017-02-09T14:37:07","guid":{"rendered":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=6266"},"modified":"2017-02-10T15:12:59","modified_gmt":"2017-02-10T06:12:59","slug":"clang-%e3%81%ae%e3%82%a4%e3%83%b3%e3%83%a9%e3%82%a4%e3%83%b3%e3%82%a2%e3%82%bb%e3%83%b3%e3%83%96%e3%83%a9%e3%81%a7-intel-%e8%a8%98%e6%b3%95%e3%82%92%e4%bd%bf%e3%81%86","status":"publish","type":"post","link":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=6266","title":{"rendered":"Clang \u306e\u30a4\u30f3\u30e9\u30a4\u30f3\u30a2\u30bb\u30f3\u30d6\u30e9\u3067 Intel \u8a18\u6cd5\u3092\u4f7f\u3046"},"content":{"rendered":"

\u7d50\u8ad6\u304b\u3089\u8a00\u3046\u3068\u3001\u30a4\u30f3\u30e9\u30a4\u30f3\u30a2\u30bb\u30f3\u30d6\u30e9\u90e8\u5206\u306e\u5148\u982d\u306b .intel_syntax noprefix<\/code> \u3068\u66f8\u304f\uff08\u3060\u3051\uff09\u3002 -masm=intel<\/code> \u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u4ed8\u3051\u306a\u304f\u3066\u3082\u3044\u3044\u304c\u3001GCC \u3068\u306e\u4e92\u63db\u6027\u3092\u8003\u3048\u308b\u3068\u4ed8\u3051\u308b\u3079\u304d\u3001\u3068\u306a\u308a\u307e\u3059\u3002\uff08Clang \u3057\u304b\u8003\u3048\u306a\u3044\u306a\u3089\u4ed8\u3051\u306a\u304f\u3066\u3082\u3044\u3044\uff09\u3002<\/p>\n

\u4ee5\u4e0b\u7d4c\u904e\u3068\u8a73\u7d30\u306a\u6319\u52d5\u3002\u74b0\u5883\u306f CentOS 7 + Clang 3.5.2 \u3067\u3059\u3002<\/p>\n

<\/p>\n

Clang \u3067\u3082 GCC \u3068\u540c\u69d8\u306e\u69cb\u6587\u3067\u30a4\u30f3\u30e9\u30a4\u30f3\u30a2\u30bb\u30f3\u30d6\u30e9\u304c\u4f7f\u3048\u307e\u3059\u3002<\/p>\n

\n
\r\n[umezawa@devcent7:pts\/0 ~]$ cat att.c\r\nint main(void)\r\n{\r\n        int ret;\r\n        asm volatile(\r\n                \"movl   $0, %%eax\"\r\n                : \"=a\"(ret) );\r\n        return ret;\r\n}\r\n[umezawa@devcent7:pts\/0 ~]$ clang -o att att.c\r\n[umezawa@devcent7:pts\/0 ~]$ .\/att; echo $?\r\n0\r\n<\/pre>\n<\/blockquote>\n
\u3067\u3001 GCC \u3067\u30a4\u30f3\u30e9\u30a4\u30f3\u30a2\u30bb\u30f3\u30d6\u30e9\u306b\u304a\u3044\u3066 Intel \u8a18\u6cd5\u3092\u4f7f\u3046\u5834\u5408\u306f -masm=intel<\/code> \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4ed8\u3051\u307e\u3059\u3002 Clang \u3067\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n
\n
\r\n[umezawa@devcent7:pts\/0 ~]$ cat intel.c\r\nint main(void)\r\n{\r\n        int ret;\r\n        asm volatile(\r\n                \"mov    eax, 0\"\r\n                : \"=a\"(ret) );\r\n        return ret;\r\n}\r\n[umezawa@devcent7:pts\/0 ~]$ clang -o intel -masm=intel intel.c\r\nintel.c:5:3: error: unknown use of instruction mnemonic without a size suffix\r\n                \"mov    eax, 0\"\r\n                ^\r\n:1:2: note: instantiated into assembly here\r\n        mov     eax, 0\r\n        ^\r\n1 error generated.\r\n<\/inline><\/pre>\n<\/blockquote>\n
\u3042\u308c\u308c\u2026<\/p>\n
\u4ed5\u65b9\u306a\u3044\u306a\u3041\u3001AT&T \u8a18\u6cd5\u3057\u304b\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u306a\u3044\u306e\u304b\u30fc\u3001\u3068\u601d\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u8a66\u884c\u932f\u8aa4\u3057\u3066\u3044\u308b\u6700\u4e2d\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6253\u3061\u9593\u9055\u3048\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002<\/p>\n
\n
\r\n[umezawa@devcent7:pts\/0 ~]$ clang -masm=intel -S -o - att.c\r\n        .text\r\n        .file   \"att.c\"\r\n        .globl  main\r\n        .align  16, 0x90\r\n        .type   main,@function\r\nmain:                                   # @main\r\n        .cfi_startproc\r\n# BB#0:                                 # %entry\r\n        push    rbp\r\n.Ltmp0:\r\n        .cfi_def_cfa_offset 16\r\n.Ltmp1:\r\n        .cfi_offset rbp, -16\r\n        mov     rbp, rsp\r\n.Ltmp2:\r\n        .cfi_def_cfa_register rbp\r\n        mov     dword ptr [rbp - 4], 0\r\n        #APP\r\n        mov     eax, 0<\/strong>\r\n        #NO_APP\r\n        mov     dword ptr [rbp - 8], eax\r\n        mov     eax, dword ptr [rbp - 8]\r\n        pop     rbp\r\n        ret\r\n.Ltmp3:\r\n        .size   main, .Ltmp3-main\r\n        .cfi_endproc\r\n\r\n\r\n        .ident  \"clang version 3.5.2 (tags\/RELEASE_352\/final)\"\r\n        .section        \".note.GNU-stack\",\"\",@progbits\r\n<\/pre>\n<\/blockquote>\n
\u3048\u3063\uff01\uff1f<\/strong> AT&T \u8a18\u6cd5\u3067\u66f8\u3044\u305f\u30a2\u30bb\u30f3\u30d6\u30ea\u30d7\u30ed\u30b0\u30e9\u30e0\u304c Intel \u8a18\u6cd5\u3067\u51fa\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n
\u3069\u3046\u3044\u3046\u3053\u3063\u3061\u3083\u3001\u3068\u601d\u3044\u3064\u3064\u3001\u3075\u3068\u601d\u3044\u3064\u3044\u3066 GCC \u3067 -masm=intel<\/code> \u4ed8\u304d\u3067\u51fa\u529b\u3057\u305f\u30a2\u30bb\u30f3\u30d6\u30ea\u30bd\u30fc\u30b9\u306e\u982d\u306e\u65b9\u306b\u51fa\u3066\u304f\u308b .intel_syntax noprefix<\/code> \u3092\u66f8\u3044\u305f\u3089\u3069\u3046\u306a\u308b\u304b\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n
\n
\r\n[umezawa@devcent7:pts\/0 ~]$ cat intel2.c\r\nint main(void)\r\n{\r\n        int ret;\r\n        asm volatile(\r\n                \".intel_syntax noprefix\\n\"<\/strong>\r\n                \"mov    eax, 0\"\r\n                : \"=a\"(ret) );\r\n        return ret;\r\n}\r\n[umezawa@devcent7:pts\/0 ~]$ clang -masm=intel -S -o - intel2.c\r\n        .text\r\n        .file   \"intel2.c\"\r\n        .globl  main\r\n        .align  16, 0x90\r\n        .type   main,@function\r\nmain:                                   # @main\r\n        .cfi_startproc\r\n# BB#0:                                 # %entry\r\n        push    rbp\r\n.Ltmp0:\r\n        .cfi_def_cfa_offset 16\r\n.Ltmp1:\r\n        .cfi_offset rbp, -16\r\n        mov     rbp, rsp\r\n.Ltmp2:\r\n        .cfi_def_cfa_register rbp\r\n        mov     dword ptr [rbp - 4], 0\r\n        #APP\r\n\r\n        mov     eax, 0\r\n        #NO_APP\r\n        mov     dword ptr [rbp - 8], eax\r\n        mov     eax, dword ptr [rbp - 8]\r\n        pop     rbp\r\n        ret\r\n.Ltmp3:\r\n        .size   main, .Ltmp3-main\r\n        .cfi_endproc\r\n\r\n\r\n        .ident  \"clang version 3.5.2 (tags\/RELEASE_352\/final)\"\r\n        .section        \".note.GNU-stack\",\"\",@progbits\r\n[umezawa@devcent7:pts\/0 ~]$ clang -o intel2 intel2.c\r\n[umezawa@devcent7:pts\/0 ~]$ .\/intel2; echo $?\r\n0\r\n<\/pre>\n<\/blockquote>\n
\u3084\u3063\u305f\u305c<\/p>\n
\u305d\u3057\u3066\u3001 -masm=intel<\/code> \u3092\u4ed8\u3051\u306a\u3044\u3067\u30a2\u30bb\u30f3\u30d6\u30ea\u30bd\u30fc\u30b9\u3092\u51fa\u529b\u3055\u305b\u308b\u3068\u3001Intel \u8a18\u6cd5\u3067\u66f8\u3044\u305f\u30a4\u30f3\u30e9\u30a4\u30f3\u30a2\u30bb\u30f3\u30d6\u30ea\u30bd\u30fc\u30b9\u304c AT&T \u8a18\u6cd5\u306b\u306a\u3063\u3066\u51fa\u3066\u304d\u307e\u3059\u3002\u305d\u3046\u3044\u3046\u3053\u3068\u304b\u3002<\/p>\n
\n
[umezawa@devcent7:pts\/0 ~]$ clang -S -o - intel2.c\r\n        .text\r\n        .file   \"intel2.c\"\r\n        .globl  main\r\n        .align  16, 0x90\r\n        .type   main,@function\r\nmain:                                   # @main\r\n        .cfi_startproc\r\n# BB#0:                                 # %entry\r\n        pushq   %rbp\r\n.Ltmp0:\r\n        .cfi_def_cfa_offset 16\r\n.Ltmp1:\r\n        .cfi_offset %rbp, -16\r\n        movq    %rsp, %rbp\r\n.Ltmp2:\r\n        .cfi_def_cfa_register %rbp\r\n        movl    $0, -4(%rbp)\r\n        #APP\r\n\r\n        movl    $0, %eax<\/strong>\r\n        #NO_APP\r\n        movl    %eax, -8(%rbp)\r\n        movl    -8(%rbp), %eax\r\n        popq    %rbp\r\n        retq\r\n.Ltmp3:\r\n        .size   main, .Ltmp3-main\r\n        .cfi_endproc\r\n\r\n\r\n        .ident  \"clang version 3.5.2 (tags\/RELEASE_352\/final)\"\r\n        .section        \".note.GNU-stack\",\"\",@progbits\r\n<\/pre>\n<\/blockquote>\n
\u3064\u307e\u308a\u3001 Clang \u306e\u6319\u52d5\u3068\u3057\u3066\u306f\u3001 -masm=intel<\/code> \u306f -S<\/code> \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4ed8\u3051\u305f\u6642\u306b\u51fa\u529b\u3055\u308c\u308b\u30a2\u30bb\u30f3\u30d6\u30ea\u30bd\u30fc\u30b9\u306e\u8a18\u6cd5\u3092\u6307\u5b9a\u3059\u308b\u3060\u3051\u306e\u52b9\u679c\u3057\u304b\u306a\u304f\u3001\u30a4\u30f3\u30e9\u30a4\u30f3\u30a2\u30bb\u30f3\u30d6\u30ea\u3067 Intel \u8a18\u6cd5\u3092\u4f7f\u3044\u305f\u3044\u5834\u5408\u306f\u30a4\u30f3\u30e9\u30a4\u30f3\u30a2\u30bb\u30f3\u30d6\u30ea\u90e8\u5206\u306e\u5148\u982d\u306b .intel_syntax noprefix<\/code> \u3068\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u3001\u3055\u3089\u306b\u4e21\u8005\u306f\u72ec\u7acb\u3057\u305f\u52b9\u679c\u3092\u6301\u3064\u3001\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3061\u306a\u307f\u306b -S<\/code> \u3092\u4ed8\u3051\u3066\u3044\u306a\u3044\u5834\u5408\u306b -masm=intel<\/code> \u3092\u4ed8\u3051\u3066\u3082\u30a8\u30e9\u30fc\u3082\u8b66\u544a\u3082\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u4e16\u306e\u4e2d Clang \u3070\u3063\u304b\u308a\u3067\u306f\u306a\u3044\u306e\u3067 GCC \u3068\u3082\u4e92\u63db\u6027\u306e\u3042\u308b\u66f8\u304d\u65b9\u3092\u3059\u3079\u304d\u3067\u3059\u304c\u3001 GCC \u306e\u5834\u5408\u306f -masm=intel<\/code> \u3067\u4e21\u65b9\u306e\u52b9\u679c\u3092\u6301\u3061\u3001\u3055\u3089\u306b -masm=intel<\/code> \u304c\u4ed8\u3044\u3066\u3044\u308b\u5834\u5408\u306b .intel_syntax noprefix<\/code> \u3068\u66f8\u3044\u3066\u3082\u7279\u306b\u526f\u4f5c\u7528\u306f\u306a\u3044\u3088\u3046\u306a\u306e\u3067\u3001\u4e21\u65b9\u3084\u308a\u307e\u3057\u3087\u3046\u3001\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u7d50\u8ad6\u304b\u3089\u8a00\u3046\u3068\u3001\u30a4\u30f3\u30e9\u30a4\u30f3\u30a2\u30bb\u30f3\u30d6\u30e9\u90e8\u5206\u306e\u5148\u982d\u306b .intel_syntax noprefix \u3068\u66f8\u304f\uff08\u3060\u3051\uff09\u3002 -masm=intel \u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u4ed8\u3051\u306a\u304f\u3066\u3082\u3044\u3044\u304c\u3001GCC \u3068\u306e\u4e92\u63db\u6027\u3092\u8003\u3048\u308b\u3068\u4ed8\u3051\u308b\u3079\u304d\u3001\u3068\u306a\u308a\u307e\u3059 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-6266","post","type-post","status-publish","format-standard","hentry","category-technology"],"_links":{"self":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6266","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6266"}],"version-history":[{"count":10,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6266\/revisions"}],"predecessor-version":[{"id":6303,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6266\/revisions\/6303"}],"wp:attachment":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6266"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6266"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}