From 1fc1ed55c45d0fd497864017de88d146d4110786 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Mon, 13 Mar 2006 21:22:43 +0000 Subject: [PATCH] Optimizing to calloc() to malloc() + memset() can be bad on some platforms. llvm-svn: 26732 --- runtime/GCCLibraries/libc/memory.c | 33 ------------------------------ 1 file changed, 33 deletions(-) delete mode 100644 runtime/GCCLibraries/libc/memory.c diff --git a/runtime/GCCLibraries/libc/memory.c b/runtime/GCCLibraries/libc/memory.c deleted file mode 100644 index ebca404d488..00000000000 --- a/runtime/GCCLibraries/libc/memory.c +++ /dev/null @@ -1,33 +0,0 @@ -//===-- memory.c - String functions for the LLVM libc Library ----*- C -*-===// -// -// A lot of this code is ripped gratuitously from glibc and libiberty. -// -//===---------------------------------------------------------------------===// - -#include - -// If we're not being compiled with GCC, turn off attributes. Question is how -// to handle overriding of memory allocation functions in that case. -#ifndef __GNUC__ -#define __attribute__(X) -#endif - -// For now, turn off the weak linkage attribute on Mac OS X. -#if defined(__GNUC__) && defined(__APPLE_CC__) -#define __ATTRIBUTE_WEAK__ -#elif defined(__GNUC__) -#define __ATTRIBUTE_WEAK__ __attribute__((weak)) -#else -#define __ATTRIBUTE_WEAK__ -#endif - -void *malloc(size_t) __ATTRIBUTE_WEAK__; -void free(void *) __ATTRIBUTE_WEAK__; -void *memset(void *, int, size_t) __ATTRIBUTE_WEAK__; -void *calloc(size_t nelem, size_t elsize) __ATTRIBUTE_WEAK__; - -void *calloc(size_t nelem, size_t elsize) { - void *Result = malloc(nelem*elsize); - if (Result) memset(Result, 0, nelem*elsize); - return Result; -}