雖然這篇__Builtin_alloca鄉民發文沒有被收入到精華區：在__Builtin_alloca這個話題中，我們另外找到其它相關的精選爆讚文章
[爆卦]__Builtin_alloca是什麼？優點缺點精華區懶人包
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#1GCC提供的几个內建函数- 胖子一刚 - 博客园
GCC, __builtin_ffs[l,ll,imax], Built-in functions, unsigned int, unsigned long, ... __builtin_alloca (https://linux.die.net/man/3/alloca).
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#2Other Builtins (Using the GNU Compiler Collection (GCC))
The __builtin_alloca function returns a pointer to the first byte of the allocated object. The lifetime of the allocated object ends just before the calling ...
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#3__alloca, __builtin_alloca - IBM
Allocates space for an object. The allocated space is put on the stack and freed when the calling function returns. Prototype. void* __builtin_alloca (size_t ...
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#4alloca(3) - Linux manual page - man7.org
... __GNUC__ #define alloca(size) __builtin_alloca (size) #endif with messy consequences if one has a private version of this function.
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#569759 - document __builtin_alloca and ...
The __builtin_alloca intrinsic is mentioned in the GCC manual but its GCC-specific properties are not documented. The Linux man page for the ...
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#6GNU built-in functions - ARM Compiler armcc User Guide
Nonstandard functions · __builtin_alloca() · __builtin_bcmp() · __builtin_exit() · __builtin_gamma() · __builtin_gammaf() · __builtin_gammal() · __builtin_index() · __ ...
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#7builtin_alloca issues - Nordic Q&A - Nordic DevZone
__builtin_alloca issues ... 66 pts. Hi,. I am porting the opus library from smart remote project into our system. The chip is nrf52832. When I encoding the pcm ...
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#8Walloca for use of builtin alloca function - LLVM
It would be a bit strange for a user who wrote alloca() in their code to get a diagnostic about not calling __builtin_alloca().
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#9How to fix an 'inlining failed in call to always_inline ...
Try swapping everywhere in the libiberty.h file "__builtin_alloca" on "C_alloca". Replacement in one place. In preprocessor commands.
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#10[Mingw-w64-public] Troubles with __builtin_alloca().
dispatched to __builtin_alloca() by the mingw-w64 headers. The program make heavy use of DLLs and cross-DLL exception handling and uses
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#11xmalloc.h\adt\libfirm\include
... for alloca() */ #ifndef alloca # if defined(__GNUC__) # define alloca(x) __builtin_alloca(x) # elif defined(__WIN32) # include <malloc.h> # else # error ...
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#12gmp-impl.h source code [glibc/stdlib/gmp-impl.h] - Woboq ...
23, #define alloca __builtin_alloca. 24, #define HAVE_ALLOCA. 25, #endif. 26. 27, /* When using cc, do whatever necessary to allow use of alloca. For many.
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#13string.h
#define __need_size_t #define __need_NULL #include <stddef.h> ... char *__new = (char *) __builtin_alloca (__len); \ (char *) memcpy (__new, __old, __len); ...
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#14alloca.h - Apple Open Source
... gcc 3 */ #undef alloca #undef __alloca #define alloca(size) __alloca(size) #define __alloca(size) __builtin_alloca(size) #endif #endif /* _ALLOCA_H_ */
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#15Fabsf vs fabs. Exponential. People who are concerned with ...
The __builtin_alloca function is provided to make it possible to allocate on the stack arrays of bytes with an upper bound that may be computed at run time.
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#16LSB helper for alloca function. The function is just a compiler's ...
#undef alloca #define alloca(size) __builtin_alloca (size) #ifdef __cplusplus } // extern "C" #endif #endif /* alloca.h */
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#17alloca
Note: Don't use this function in an expression that's an argument to a function. By default, alloca() is implemented as __builtin_alloca(). If you compile with ...
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#18Values
Values. The following values are predefined for SPARC and x86: __ BUILTIN_VA_ARG_INCR (for the __ builtin_alloca , __ builtin_va_alist, and __ ...
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#19_alloca | Microsoft Docs
Windows NT SEH final exception handler: __finally { _alloca() }. C++ EH catch clause expression. However, _alloca can be called directly from ...
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#20[llvm-dev] auto-init of __builtin_alloca - Google Groups
that an explicit __builtin_alloca() is not an "automatic variable", which is also why GCC 12's behaviour of the same command-line option
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#21cxgo/gcc.go at main · gotranspile/cxgo - GitHub
#define __builtin___memset_chk(x, y, z, ...) __BUILTIN___MEMSET_CHK(). #define __builtin_alloca(x) __BUILTIN_ALLOCA(). #define __builtin_classify_type(x) ...
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#221111355 - Incorrectly assuming __builtin_alloca return value in ...
The disassembled code for the inlined function __builtin_alloca: 0x00007ffff254437b <+123>: add $0x2e,%rax 0x00007ffff254438f <+143>: shr $0x4,%rax ...
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#23home/travis/build/open62541/open62541/src/ua_util.h
... #endif 00007 00008 #ifndef __USE_POSIX 00009 # define __USE_POSIX ... #ifdef __GNUC__ 00056 # define UA_alloca(size) __builtin_alloca ...
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#24alloca.h Source File - avr-libc
39 \brief Allocate \a __size bytes of space in the stack frame of the caller. ... 43 a macro, which is translated into the inlined \c __builtin_alloca().
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#25Zephyr API Documentation: include/sys/rb.h Source File
11#ifdef __GNUC__. 12#ifndef alloca. 13#define alloca __builtin_alloca. 14#endif. 15#else. 16#include <alloca.h>. 17#endif.
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#26cl: Add test for using __builtin_alloca (!296) · Merge requests · Mesa ...
This is also buggy in clang since __builtin_alloca doesn't return the expected private pointer, so this test artifically requires CL2.0.
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#27alloca() function - TU Chemnitz
Avr-libc defines the alloca() as a macro, which is translated into the inlined __builtin_alloca() function. The fact that the code is inlined, means that it ...
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#28musl - [PATCH v2] Unconditonally define alloca as __builtin_alloca
... [PATCH v2] Unconditonally define alloca as __builtin_alloca This enables alternative compilers, which may not define __GNUC__, to implement alloca, ...
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#29macros.txt - XRAY Subversion Server
#define _ALLOCA_H 1 #define alloca(size) __builtin_alloca (size) #define __ASMNAME2(prefix, cname) __STRING (prefix) cname #define __ASMNAME(cname) ...
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#30graf2d/win32gdk/gdk/src/glib/galloca.h Source File - ROOT
32 #ifdef __GNUC__. 33 /* GCC does the right thing */. 34 # undef alloca. 35 # define alloca(size) __builtin_alloca (size).
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#31alloca.h source code [ClickHouse/contrib/sysroot/linux-x86_64 ...
32, extern void * alloca (size_t __size ) __THROW;. 33. 34, #ifdef __GNUC__. 35, # define alloca (size) __builtin_alloca (size).
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#32platform/prebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8
#define _STATIC_ASSERT(expr) extern void __static_assert_t(int [(expr)?1:-1]) ... #define _alloca(x) __builtin_alloca((x)).
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#33'[Bug libstdc++/33485] New: parallel v3: do not use __builtin_alloca ...
[prev in thread] [next in thread] List: gcc-bugs Subject: [Bug libstdc++/33485] New: parallel v3: do not use __builtin_alloca, use VLA From: "bangerth at ...
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#34Constrain stack offset randomization with Clang builds - public ...
add_random_kstack_offset() uses __builtin_alloca() to add a stack > offset. This means, when CONFIG_INIT_STACK_ALL_{ZERO,PATTERN} is > enabled, ...
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#35dspC6000中如何移植C语言里的alloca函数？ - 处理器论坛
#ifdef __GNUC__ #undef alloca #define alloca __builtin_alloca #elif defined WIN32 || defined WIN64 #if defined _MSC_VER || defined ...
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#364.4: Alloca is not supported (yet)
If you want to optimize allocation on thin ice, you can call the builtin alloca function ( __builtin_alloca ), as long as you know it is safe.
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#37AkAlloca - Audiokinetic
#define AkAlloca, (, _size_, ), __builtin_alloca( _size_ ). Stack allocations. Definition at line 103 of file AkPlatformFuncs.h.
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#38alloca.h\include - musl
... _ALLOCA_H #ifdef __cplusplus extern "C" { #endif #define __NEED_size_t #include <bits/alltypes.h> void *alloca(size_t); #define alloca __builtin_alloca ...
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#39Clang Language Extensions — Clang 13 documentation
#define __has_builtin(x) 0 // Compatibility with non-clang compilers. #endif . ... __builtin_alloca is used to dynamically allocate memory on the stack.
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#40Datei: /usr/include/stdarg.h
... macro "__BUILTIN_VA_ARG_INCR" which * enables the following special built-in functions: * __builtin_alloca * __builtin_va_alist * __builtin_va_arg_incr ...
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#41Marco Elver: [PATCH 2/2] stack: Constrain stack offset ... - LKML
add_random_kstack_offset() uses __builtin_alloca() to add a stack offset. This means, when CONFIG_INIT_STACK_ALL_{ZERO,PATTERN} is
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#42latex-table.cc
... Exp $ */ /* Latex table layout */ #ifdef HAVE_CONFIG_H #include "config.h" #endif /* HAVE_CONFIG_H */ #ifdef __GNUC__ #define alloca __builtin_alloca ...
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#43alloca(3) - Linux man page - Die.net
#define alloca(size) __builtin_alloca (size) with messy consequences if one has a private version of this function. The fact that the code is inlined means ...
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#44gcc Built-in Functions
__builtin_alloca __builtin_ffs __builtin_index __builtin_rindex __builtin_bcmp __builtin_bzero __builtin_sinl __builtin_cosl __builtin_sqrtl __builtin_fabsl
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#45Re: [PATCH] asan: Fix up address sanitizer instrumentation of ...
3 天前 — With -fstack-check=generic __builtin_alloca* can throw and the asan > instrumentation of this builtin wasn't prepared for that case.
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#46alloca.h
... "_ansi.h" #include <sys/reent.h> #ifdef __GNUC__ #define alloca(size) __builtin_alloca(size) #else void * _EXFUN(alloca,(size_t)); #endif #endif.
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#47[Mingw-users] Trouble with alloca.h - OSDN.net
h makes 'alloca' a macro: #ifndef alloca # ifdef __GNUC__ # define alloca __builtin_alloca I'm not yet sure why Gnulib decides that it needs to ...
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#48polyspace__std_decls.h
//#define __C166__ 300 //#define __FLOAT64__ 0 //#define __MOD167__ 1 //#define ... PST_GNU PST_STUB_C_DECL(void *,__builtin_alloca, (size_t)) __PST_THROW; ...
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#49make4.1降级make-3.81、2错误 - 航行学园
#if !defined __alloca && !defined __GNU_LIBRARY__ # ifdef __GNUC__ # undef alloca # define alloca(n) __builtin_alloca (n) # else /* Not GCC. */
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#50Understanding GCC Builtins to Develop Better Tools - arXiv
The __builtin_alloca builtin al- locates the specified number of bytes of stack memory. Since C99, variable length arrays have offered a ...
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#51alloca - allocate memory that is automatically freed - Ubuntu ...
... the lines: #ifdef __GNUC__ #define alloca(size) __builtin_alloca (size) #endif with messy consequences if one has a private version of this function.
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#52CBackend.cpp - UCLA CS
... "#define alloca(x) __builtin_alloca(x)\n" << "#elif defined(__FreeBSD__) ... Out << "#ifndef __GNUC__ /* Can only support \"linkonce\" vars with GCC ...
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#53portable alloca - C Board
#ifndef alloca # ifdef __GNUC__ # define alloca __builtin_alloca # else # ifdef __DECC # define alloca(x) __ALLOCA(x) # else # ifdef ...
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#54Man page of ALLOCA
#ifdef __GNUC__ #define alloca(size) __builtin_alloca (size) #endif. 独自版の __builtin_alloca (size) 関数がある場合、厄介な結果になる。
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#55Integrating with Newlib - Confluence Mobile - Apache ...
#ifndef _MYMATH_H #define _MYMATH_H #ifndef _ALLOCA_H #define _ALLOCA_H #define alloca __builtin_alloca #endif /* _ALLOCA_H */ #include_next <math.h> #endif ...
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#56[JDK-8263718] unused-result warning happens at os_linux.cpp
/home/jdk/github-forked/jdk/src/hotspot/os/linux/os_linux.cpp:668:9: error: ignoring return value of 'void* __builtin_alloca(long unsigned ...
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#57include/alloca.h - Uclibc-ng source code (v1.0.39) - Elixir Bootlin
extern void *alloca (size_t __size) __THROW; #ifdef __GNUC__ # define alloca(size) __builtin_alloca (size) #endif /* GCC.
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#58alloca - ライブラリコールの説明 - Linux コマンド集 一覧表
独自の __builtin_alloca (size) 関数があると厄介な結果になる。 このコードはインライン化されているので、 この関数のアドレスを取得したり、 他のライブラリをリンクし ...
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#591531350 – gcc - fstack-clash-protection - Red Hat Bugzilla
Description of problem: Compiling with -fstack-clash-protection does not protect __builtin_alloca() against requests that are too large.
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#60unresolved external symbol _alloca on flex and bison in ...
... YYSTACK_USE_ALLOCA # ifdef __GNUC__ # define YYSTACK_ALLOC __builtin_alloca # elif defined __BUILTIN_VA_ARG_INCR # include /* INFRINGES ...
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#61gcc Built-in Functions - NACAD/COPPE-UFRJ
__builtin_alloca __builtin_ffs __builtin_index __builtin_rindex __builtin_bcmp __builtin_bzero __builtin_sinl __builtin_cosl __builtin_sqrtl __builtin_fabsl
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#62netcdf and SCAM - NVIDIA Developer Forums - PGI Compilers ...
/usr/local/netcdf/lib/libnetcdf.a(putget.o)(.text+0x7e46): In function nc_put_vara_text': : undefined reference to __builtin_alloca'
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#63Pull Request !865 · 方舟编译器/OpenArkCompiler - Gitee.com
char* str = __builtin_alloca(4); char* s = __builtin_alloca(4); int a[3] = {3, 4, 5}; int b[3] = {2, 3, 4}; printf("%i\n", __builtin_strlen("qwe"));
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#64关于C#：构造指向alloca的函数指针会导致链接器错误？
Constructing a function pointer to alloca causes linker errors? · 可能是因为编译器直接用 __builtin_alloca 替换了 alloca 的所有调用？ · alloca 实际 ...
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#65codes - UNPKG
38, # ifdef __GNUC__. 39, # define alloca __builtin_alloca. 40, # else. 41, # ifdef _MSC_VER. 42, # include <malloc.h>. 43, # define alloca _alloca.
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#66<alloca.h>: Allocate space in the stack - Linux Man Pages
Avr-libc defines the alloca() as a macro, which is translated into the inlined __builtin_alloca() function. The fact that the code is inlined, means that it ...
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#67Using and Porting the GNU Compiler Collection (GCC)
#ifndef __GNUC__ #define USE_C_ALLOCA #else #define alloca __builtin_alloca # ... the host compiler supports prototypes, even if it doesn't define __STDC__, ...
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#68isiweb2c.h - CTAN
... memcmp((s1),(s2),(n)) #define bzero(s,n) memset((s),0,(n)) #endif #ifdef __GNUC__ #define alloca __builtin_alloca #else #ifdef sparc #include <alloca.h> ...
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#69conftest.c - Netzbasis
Annotated Source Code ; 6, #else ; 7, # ifdef _MSC_VER ; 8, # include <malloc.h> ; 9, # define alloca__builtin_alloca _alloca ; 10, # else.
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#70构造一个指向alloca的函数指针会导致链接器错误？ - 小空笔记
作品？ __builtin_alloca 分配的对象在函数结束时符合它的生命周期，所以一旦你返回它，你就有了一个悬空指针！
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#71Using and Porting GNU CC - The Configuration File - Utah ...
#ifndef __GNUC__ #define USE_C_ALLOCA #else #define alloca __builtin_alloca # ... the host compiler supports prototypes, even if it doesn't define __STDC__, ...
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#72cygwin.com Git - newlib-cygwin.git/blob - Cygwin
31 void * memcpy (void *__restrict, const void *__restrict, size_t); ... 149 char * __sout = (char *) __builtin_alloca (__len); \.
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#73serial.cc Source File - ROS Documentation
... <alloca.h> 00006 #endif 00007 00008 #if defined (__MINGW32__) 00009 # define alloca __builtin_alloca 00010 #endif 00011 00012 #include "serial/serial.h" ...
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#745.43 Other built-in functions provided by GNU CC
Corresponding versions __builtin_alloca , __builtin_bcmp , __builtin_bzero , __builtin_index , __builtin_rindex and __builtin_ffs are also ...
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#75alloca(3) — Arch manual pages
#ifdef __GNUC__ #define alloca(size) __builtin_alloca (size) #endif. with messy consequences if one has a private version of this function.
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#762049 - Fossies
#ifndef alloca # ifdef __GNUC__ # define alloca __builtin_alloca # elif defined _AIX # define alloca __alloca # elif defined _MSC_VER # include <malloc.h> ...
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#77Constrain stack offset randomization with Clang builds
On Fri, Jan 28, 2022 at 12:44:46PM +0100, Marco Elver wrote: > All supported versions of Clang perform auto-init of __builtin_alloca() > ...
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#78alloca - Linux Man Pages Online
... the lines: #ifdef __GNUC__ #define alloca(size) __builtin_alloca (size) #endif with messy consequences if one has a private version of this function.
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#79mpfr-gmp.h - Hackage
#ifndef alloca # if defined ( __GNUC__ ) # define alloca __builtin_alloca # elif defined (__DECC) # define alloca(x) __ALLOCA(x) # elif defined (_MSC_VER) ...
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#80Using GCC's builtin alloca without the C standard library
{anyfile}.d extern extern(C) void* __builtin_alloca(size_t size) pure; --- ... to my existing files, but I get an undefined reference for ...
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#81include/alloca.h Source File - iPXE
21 * alloca(); use it only if you already know what they are. 22 */. 23 #define alloca(size) __builtin_alloca ( size ). 24. 25 #endif /* _ALLOCA_H */.
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#82alloca man page - Library Functions | ManKier
#ifdef __GNUC__ #define alloca(size) __builtin_alloca (size) #endif. with messy consequences if one has a private version of this function.
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#83pip install cryptography时出现libevent-devel错误 - SegmentFault
... error: expected ';' before '__builtin_alloca' build/temp.linux-x86_64-2.7/_openssl.c:19014: error: expected expression before ')' token ...
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#84alloca 在栈上分配空间，在函数返回时，由于栈框的释放而自动 ...
#define alloca(size) __builtin_alloca (size) 可能由于一些混乱而导致存在一个该函数的私有版本。 内联的代码意味着取得这个函数的地址是不可能的， ...
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#85netcdf and SCAM - uses netcdf - Legacy PGI Compilers
/usr/local/netcdf/lib/libnetcdf.a(putget.o)(.text+0x7e46): In function nc_put_vara_text': : undefined reference to __builtin_alloca'
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#86Man page of ALLOCA - Directory has no index file.
#define alloca(size) __builtin_alloca (size) with messy consequences if one has a private version of this function.
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#87How to compile GMP from source? - gmplib.org
conftest configure:5828: $? = 0 Test compile: __builtin_alloca availability configure:5868: gcc conftest.c >&5 ...
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#88Aurix github. GCC (and ARMclang building the Free
Aurix github. GCC (and ARMclang building the FreeRTOS ARMv8-M GCC port) Atmel. Since the __builtin_alloca function doesn't validate its argument it is the ...
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#89__builtin_alloca (#2045) · Issues · pub / frama-c · GitLab
But then, when I use the value analysis, I get : [kernel] warning: No code for function __builtin_alloca, default assigns generated because the declaration ...
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#90next porting question for gcj - sourceware.org
>>__builtin_alloca is the internal way gcc implements it; either works >>just fine but __builtin_alloca is more immune to being #define'd to ...
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#91alloca | AVR Freaks
There is no declaration in avr libc (so far as I can see), but I am able to compile using __builtin_alloca without any complaints.
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#92Aurix github. 0. ”. assuming that you are usin
The __builtin_alloca function is provided to make it possible to allocate on the stack arrays of bytes with an upper bound that may be computed at run time.
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#93Fmodf. com builtins. append (value)} else {sample - Ybalrid ...
The __builtin_alloca function is provided to make it possible to allocate on the stack arrays of bytes with an upper bound that may be computed at run time.
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#94Rust saturating cast. Some degree of rust-damage - Stone ...
The __builtin_alloca function is provided to make it possible to allocate on the stack arrays of bytes with an upper bound that may be computed at run time.
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#95Das offizielle MySQL 5 Handbuch - 第 162 頁 - Google 圖書結果
... -K preex --no_exceptions --no_rtti -D_GNU_SOURCE \ -DCONST=const -Dalloca=__builtin_alloca -DNO_STRTOLL_PROTO \ '-D_EXTERN_INLINE=static __inline'" \ .
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#96Cuda fabs. The car came to us in pretty rough sha - Cervejaria ...
... Bryce Adelstein Lelbach, Thursday, 2:00pm CUDA Since the __builtin_alloca ... __device__ float coshf (float x) TM sources parts from the aftermarket, ...