[B! gcc] yyamanoã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

yyamano id:yyamano

gccã«é–¢ã™ã‚‹yyamanoã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (14)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

KMC Staff Blog:GCCã®ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ãƒ¡ãƒ¢ãƒªã‚µãƒãƒ¼ãƒˆ
2014å¹´01æœˆ23æ—¥ GCCã®ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ãƒ¡ãƒ¢ãƒªã‚µãƒãƒ¼ãƒˆ GCC ã®ãƒªãƒªãƒ¼ã‚¹ãƒŽãƒ¼ãƒˆã‚’çœºã‚ã¦ã„ãŸã‚‰ã€4.7 ã‹ã‚‰ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ãƒ¡ãƒ¢ãƒªã®ã‚µãƒãƒ¼ãƒˆãŒå…¥ã£ã¦ã„ãŸã“ã¨ã«æ°—ä»˜ã„ãŸã®ã§ã€å°‘ã—èª¿ã¹ã¦ã¿ã¾ã—ãŸã€‚ ãƒ»ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ãƒ¡ãƒ¢ãƒªã¨ã¯ï¼Ÿ ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ãƒ¡ãƒ¢ãƒªã¯ã€ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ãƒã‚°ãƒ©ãƒ ã«ãŠã„ã¦ã€è¤‡æ•°ã®ã‚¹ãƒ¬ãƒƒãƒ‰ã‹ã‚‰ã‚¢ã‚¯ã‚»ã‚¹ã•ã‚Œã‚‹å…±æœ‰å¤‰æ•°ï¼ˆãƒ¡ãƒ¢ãƒªï¼‰ã‚’ä¿è·ã™ã‚‹ãŸã‚ã®ã—ãã¿ã®ã‚ˆã†ã§ã™ã€‚ å…±æœ‰å¤‰æ•°ã®ä¿è·ã«ã¯ã€å¾“æ¥ã¯ mutex ãªã©ã®ãƒãƒƒã‚¯ãŒä½¿ç”¨ã•ã‚Œã¦ãã¾ã—ãŸã€‚ã—ã‹ã—ã€ãƒãƒƒã‚¯ã‚’ä½¿ç”¨ã—ãŸãƒ—ãƒã‚°ãƒ©ãƒ ç‰‡ï¼ˆé–¢æ•°ãªã©ï¼‰ã¯ã€ãƒãƒƒã‚¯ã®å–å¾—ã¨è§£æ”¾ã®é †ç•ªãŒé‡è¦ãªã®ã§ã€åŸºæœ¬çš„ã«ã¯å…¥ã‚Œåã«ã§ããªã„ã¨ã„ã†å•é¡ŒãŒã‚ã‚Šã¾ã™ã€‚å¸¸ã«ãƒ—ãƒã‚°ãƒ©ãƒ å…¨ä½“ã«æ•£ã‚‰ã°ã‚‹ãƒãƒƒã‚¯ã‚’æ„è˜ã™ã‚‹å¿…è¦ãŒã‚ã‚‹ã®ã§ã€ãƒ—ãƒã‚°ãƒ©ãƒ ã®éƒ¨å“åŒ–ã‚„å†åˆ©ç”¨ãŒå›°é›£ã«ãªã‚Šã¾ã™ã—ã€ãƒ‡ãƒƒãƒ‰ãƒãƒƒã‚¯ã®ãƒ‡ãƒãƒƒã‚°ã‚„å“è³ªä¿è¨¼ã¯éžå¸¸ã«é«˜ã‚³ã‚¹ãƒˆã«ãªã‚ŠãŒã¡ã§ã™ã€‚ ä¸€æ–¹ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ãƒ¡ãƒ¢ãƒªã¯ã€åŽŸç†çš„
yyamano 2014/02/15
gcc
ãƒªãƒ³ã‚¯
HugeDomains.com
Captcha security check leafsr.com is for sale Please prove you're not a robot View Price Processing
yyamano 2013/12/04
#pragma GCC poison strcpy

gcc
ãƒªãƒ³ã‚¯
Compiler Explorer
Add new...Clone CompilerExecutor From ThisOpt RemarksStack UsagePreprocessorASTLLVM IRClangIROpt PipelineDeviceRust MIRRust HIRRust Macro ExpansionGHC CoreGHC STGGHC CmmGCC Tree/RTLGNAT Debug TreeGNAT Debug Expanded CodeControl Flow Graph
yyamano 2012/05/24
https://github.com/mattgodbolt/gcc-explorer

gcc
ãƒªãƒ³ã‚¯
GitHub - compiler-explorer/compiler-explorer: Run compilers interactively from your web browser and interact with the assembly
You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session. Dismiss alert
yyamano 2012/05/24
GCC Explorer is an interactive compiler. The left-hand pane shows editable C/C++ code. The right, the assembly output of having compiled the code with a given compiler and settings.

gcc
ãƒªãƒ³ã‚¯
é©å‘½ã®æ—¥ã€…ï¼ gcc 4.7 ã ã¨ã‚«ãƒ¼ãƒãƒ«ãŒã¾ã¨ã‚‚ã«å‹•ã‹ãªã„ã‚“ã˜ã‚ƒãªã„ã®ï¼Ÿã¨ã„ã†è©±
Jan KaraãŒãªã‹ãªã‹ç´ æ•µãªãƒã‚°ã‚’å ±å‘Šã—ã¦ã„ã‚‹ã€‚ bitfieldã„ã˜ã‚‹ã¨ãã«ã€64bit load/storeä½¿ãˆã†ã‚ˆã†ã«ã€ã¨ãªã‚Šã®bitfieldã‚‚åˆã‚ã›ã¦ read-modify-write ã™ã‚‹ã‹ã‚‰å…¨ç„¶é–¢ä¿‚ãªã„ãƒ•ã‚£ãƒ¼ãƒ«ãƒ‰æ›´æ–°æ™‚ã«åˆ¥ã®ãƒ•ã‚£ãƒ¼ãƒ«ãƒ‰ãŒlostã™ã‚‹ã£ã¦ãƒ»ãƒ»ãƒ» ã§ã„ã¤ã‚‚ã®ã‚ˆã†ã«GCCç•Œéšˆã‹ã‚‰ã€ŒCã®è¦æ ¼æ›¸ã«ã¯ã‚„ã£ã¡ã‚ƒãƒ€ãƒ¡ã¨ã¯æ›¸ã„ã¦ãªã„ã€ã¨ã„ã†å£°ãŒé£›ã‚“ã§ãã¦ ã‚«ãƒ¼ãƒãƒ«ç•Œéšˆã‹ã‚‰ã€Œãã‚“ãªã‚“ã‚½ãƒ•ãƒˆãŒæ›¸ã‘ã‚‹ã‹ã€‚ã‚ã»ãƒ¼ã€ã¨ã„ã†æ€’å·ãŒé£›ã³äº¤ã†å±•é–‹ã« ã ã£ã¦ã€æ™®é€šãŸã¾ãŸã¾éš£ã‚Šåˆã£ã¦ã‚‹ã ã‘ã®å…¨ç„¶é–¢ä¿‚ãªã„ãƒ•ã‚£ãƒ¼ãƒ«ãƒ‰ã£ã¦ãƒãƒƒã‚¯ã‚‚åˆ¥ã ã‚ˆããˆ(-_-;) From: Jan Kara [email protected] vger.kernel.org To: LKML Cc: linux [email protected], Linus Torvalds , [email protected], ptesa
yyamano 2012/02/02
gcc
ãƒªãƒ³ã‚¯
ã„ã‚„ãªãƒ–ãƒã‚°: Linux ã®å…±æœ‰ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ä½œã‚‹ã¨ã PIC ã§ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã™ã‚‹ã®ã¯ãªãœã‹
Linux ã®å…±æœ‰ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ä½œã‚‹ã¨ã PIC ã§ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã™ã‚‹ã®ã¯ãªãœã‹ é€šå¸¸ã€Linux ã®å…±æœ‰ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ä½œã‚‹ã¨ãã¯å„ .c ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ PIC (Position Independent Code) ã¨ãªã‚‹ã‚ˆã†ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã—ã¾ã™ã€‚ã—ã‹ã—ã€å®Ÿã¯ PIC ã§ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã—ãªãã¦ã‚‚å…±æœ‰ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã¯ä½œã‚Œã¾ã™ã€‚ãã‚Œã§ã¯ PIC ã«ã™ã‚‹æ„å‘³ã¯ã‚ã‚‹ã®ã§ã—ã‚‡ã†ã‹ã€‚ ã•ã£ããå®Ÿé¨“ã—ã¦ã¿ã¾ã™ã€‚ int func () { printf(""); printf(""); printf(""); } PIC ã§ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã™ã‚‹ã«ã¯ gcc ã« -fpic ã¾ãŸã¯ -fPIC ã‚’æ¸¡ã—ã¾ã™ã€‚-fpic ã®æ–¹ãŒå°ã•ãé«˜é€Ÿãªã‚³ãƒ¼ãƒ‰ã‚’ç”Ÿæˆã™ã‚‹å¯èƒ½æ€§ãŒã‚ã‚Šã¾ã™ãŒã€ãƒ—ãƒã‚»ãƒƒã‚µã«ã‚ˆã£ã¦ã¯ -fpic ã§ç”Ÿæˆã§ãã‚‹ GOT (Global Offset Table) ã®ã‚µã‚¤ã‚ºã«åˆ¶é™ãŒã‚ã‚Šã¾ã™ã€‚ä¸€æ–¹ã€-fPIC ã¯ã©ã®ãƒ—ãƒã‚»ãƒƒã‚µã§
yyamano 2011/12/07
gcc
ãƒªãƒ³ã‚¯
The Art and Science of Testcase Reduction for Compiler Bugs â€“ Embedded in Academia
yyamano 2011/12/06
The Art and Science of Testcase Reduction for Compiler Bugs

Testing

gcc
ãƒªãƒ³ã‚¯
IBM Developer
yyamano 2008/12/19
GCCism...

Linux

gcc
ãƒªãƒ³ã‚¯
Status of Experimental C++0x Support in GCC 4.3 - GNU Project
GCC provides experimental support for the upcoming ISO C++ standard, C++0x. This support can be enabled with the -std=c++0x or -std=gnu++0x compiler options; the former disables GNU extensions. GCC's C++0x mode tracks the C++0x working paper drafts produced by the ISO C++ committee, available on the ISO C++ committee's web site at https://www.open-std.org/jtc1/sc22/wg21/. Since this standard is st
yyamano 2007/08/13
gcc

C++
ãƒªãƒ³ã‚¯
doubleã®ç²¾åº¦ãŒ-O0ã ã¨80ãƒ“ãƒƒãƒˆã§-O3ã ã¨64ãƒ“ãƒƒãƒˆã«ãªã‚‹ã‚±ãƒ¼ã‚¹ - sumiiã®ãƒ–ãƒã‚°
èª°ã‹åŒã˜ç½ ã«åµŒã‚‹ and/or æ°—ã¥ãã‹ã¨æ€ã„ã€Œç§˜å¯†ã®ã‚¨ãƒ³ãƒˆãƒªã€ã€Œã‚ã¨ã§å…¬é–‹ã™ã‚‹ã€ã¨ã—ã¦ã„ã¾ã—ãŸãŒã€ã ã‚Œã‚‚ãƒãƒžã£ã¦ãã‚Œãªã„ã‚ˆã†ãªã®ã§å…¬é–‹ã—ã¾ã™ã€‚ ä¾‹ã®PHPã®roundå•é¡Œã®é–¢ä¿‚ã§gccã®-ffloat-storeã‚’è©¦ã—ã¦ã„ãŸã®ã§ã™ãŒã€ static double f(double x) { return x * 100.0; } int main() { return f(1.075) >= 107.5; }ã¨ã„ã†ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã—ã¦å‹•ã‹ã™ã¨ä¸‹ã®ã‚ˆã†ã«ãªã‚Šã¾ã™ã€‚ > uname -mrs Linux 2.6.9-42.0.10.ELsmp i686 > gcc --version gcc (GCC) 3.4.6 20060404 (Red Hat 3.4.6-8) Copyright (C) 2006 Free Software Foundation, Inc. This is f
yyamano 2007/06/08
doubleã®ç²¾åº¦

gcc
ãƒªãƒ³ã‚¯
PHPã®roundé–¢æ•°ã®è¬ŽãŒå°‘ã—è§£ã‘ãŸ - hnwã®æ—¥è¨˜
2é€±é–“ä»¥ä¸Šå‰ã®è¨˜äº‹ã€ŒPHPã®å¥‡å¦™ãªroundé–¢æ•°ã€ãŒã™ã”ã„ã“ã¨ã«ãªã£ã¦ã„ã¾ã™ãã€‚æœ€è¿‘æ›¸ãå§‹ã‚ãŸã°ã‹ã‚Šã®æ—¥è¨˜ã«ã“ã‚“ãªã«äººãŒæ¥ã‚‹ãªã‚“ã¦ã€æœ‰åäººã®é›†å®¢åŠ›ã¯æµçŸ³ã ãªã‚ã€ãªã©ã¨æ„Ÿå¿ƒã—ã¦ã„ã¾ã™ã€‚ ãã®é›†å®¢åŠ›ã®ãŠã‹ã’ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ãŒã€FreeBSDã¨Mac OS Xã ã¨æŒ™å‹•ãŒé•ã†ã‚ˆã€ã¨ã„ã†ã‚³ãƒ¡ãƒ³ãƒˆã‚’é ‚ãã¾ã—ãŸã€‚å®Ÿéš›ã«FreeBSDã§è©¦ã—ã¦ã¿ãŸã¨ã“ã‚ã€ç¢ºã‹ã«Linuxã¨ç•°ãªã‚‹ã€ã„ã‚ã°ãƒžãƒˆãƒ¢ãªæŒ™å‹•ã§ã™ã€‚ãã®åŽŸå› ãŒã‚ã‹ã‚Šã¾ã—ãŸã€ã¨ã„ã†ã®ãŒæœ¬ç¨¿ã®æ¦‚è¦ã§ã™ã€‚åƒ•ãŒãƒ¢ã‚¿ãƒ¢ã‚¿è¨˜äº‹ã‚’æ›¸ã„ã¦ã„ã‚‹é–“ã«ç†ç”±ãŒã‚ã‹ã£ã¡ã‚ƒã£ãŸäººã‚‚å±…ã‚‹ã‹ã¨ã¯æ€ã„ã¾ã™ã—ã€ã‚ˆã‚Šè©³ç´°ãªã¨ã“ã‚ã¾ã§æŠŠæ¡ã—ãŸäººã‚‚å±…ãã†ã§ã™ãŒã€åƒ•ãªã‚Šã«ç¾æ™‚ç‚¹ã§ã‚ã‹ã£ãŸã“ã¨ã‚’æ›¸ã„ã¦ã¿ã¾ã™ã€‚ å‰å›žã®è¨˜äº‹ã§ã€PHP_ROUND_FUZZã¨ã„ã†å®šæ•°ãŒã€Œå°‘ãªãã¨ã‚‚åƒ•ã®æ‰‹å…ƒã®ç’°å¢ƒã§ã¯ã€0.50000000001ã¨å®šç¾©ã•ã‚Œã¦ã„ã‚‹ã€ã¨æ›¸ãã¾ã—ãŸã€‚ã“ã®è©³ç´°ã‚’èª¬æ˜Žã™ã‚‹ã¨ã€configureã‚¹ã‚¯ãƒªãƒ—
yyamano 2007/06/08
doubleã®ç²¾åº¦

gcc
ãƒªãƒ³ã‚¯
OBB vs AABB - Radium Software Development
This domain may be for sale!
yyamano 2007/05/22
-fstrict-aliasing

gcc
ãƒªãƒ³ã‚¯
CSiBE - GCC Code-Size Benchmark Environment
Welcome to the website of CSiBE! CSiBE is a code size benchmark for the GCC compiler. The primary purpose of CSiBE is to monitor the size of the code generated by GCC. In addition, compilation time and code performance measurements are also provided. This online benchmark should help observing the effect of changes (the benefits and drawbacks) in GCC's optimization framework. By performing regular
yyamano 2007/05/21
gcc
ãƒªãƒ³ã‚¯
ã‹ãããã†ã¡ - __attribute__ã®æ‹¬å¼§
Binary 2.0ã‚«ãƒ³ãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹2006 ã«å‹•ç”»ã¨IRCã§å‚åŠ ã—ã¦ãã¾ã—ãŸã€‚ http://0xcc.net/blog/archives/000149.html å‹•ç”»ã‚’ã‚ãƒ£ãƒ—ãƒãƒ£ã—ãªãŒã‚‰è¦‹ã¦ã„ãŸã®ã§ã€IRCã¨ã®ã‚¿ã‚¤ãƒ ãƒ©ã‚°ãŒçµæ§‹ã‚ã‚Šã¾ã—ãŸã€‚ æŠ€è¡“çš„ã«ã¯ãƒ–ãƒã‚°ãªã©ã§æ—¢çŸ¥ã®ã‚‚ã®ãŒå¤šã‹ã£ãŸã‚“ã§ã™ãŒã€PS3 Linuxã§ã®ãƒ—ãƒ¬ã‚¼ãƒ³ã«Wiiãƒªãƒ¢ã‚³ãƒ³ä½¿ã†ãªã©ã€ãƒã‚¿ã¨ã—ã¦ã¯é¢ç™½ã‹ã£ãŸã§ã™ã€‚ æœ€åˆã®è³ªå•ã§ã€Œgccã®__attribute__ã¯ãªãœæ‹¬å¼§ãŒäºŒé‡ã«ãªã£ã¦ã„ã‚‹ã®ã‹ï¼Ÿã€ã¨ã„ã†ã®ãŒã‚ã£ã¦ã€ãã®ã¨ãã«ã¯æ€ã„ã¤ã‹ãªã‹ã£ãŸã®ã§ã™ãŒã€ä¼‘æ†©ä¸ã«ã²ã‚‰ã‚ã„ã¦IRCã«ã¡ã‚‡ã£ã¨æ›¸ãè¾¼ã¿ã¾ã—ãŸã€‚ 19:32 >hamigaki< å¤šåˆ†ã€gccä»¥å¤–ã§ãƒžã‚¯ãƒã§ä»£ç”¨ã™ã‚‹ãŸã‚ã§ã™ã‚ˆï¼žæ‹¬å¼§ 19:32 >hamigaki< äºŒé‡ã§ãªã„ã¨ã€ã‚³ãƒ³ãƒžãŒã‹ã‘ãªã„ ã“ã‚Œã ã‘ã ã¨ã€åˆ†ã‹ã‚‰ãªã„äººã‚‚ã„ãŸã¨æ€ã†ã®ã§ã¡ã‚‡ã£ã¨è§£èª¬ã—ã¦ãŠãã¾ã™ã€‚ ãã‚‚ã
yyamano 2006/12/20
C

gcc
ãƒªãƒ³ã‚¯
1