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| author | Reid Spencer <rspencer@reidspencer.com> | 2005-01-23 04:32:47 +0000 |
|---|---|---|
| committer | Reid Spencer <rspencer@reidspencer.com> | 2005-01-23 04:32:47 +0000 |
| commit | a8411a698e0c631b9ce793733a158484a1ab0e54 (patch) | |
| tree | c65aa5957945afa0f485d7fa32f04ae4f8c8a818 /lib/Target/CBackend/CBackend.cpp | |
| parent | 5dc81f63d1ad701fe03a8fadab6053094fd80fa2 (diff) | |
Fix alloca support for Cygwin. On cygwin its __alloca not __builtin_alloca
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19776 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/CBackend/CBackend.cpp')
| -rw-r--r-- | lib/Target/CBackend/CBackend.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp index 0efdb65050..6195b7678d 100644 --- a/lib/Target/CBackend/CBackend.cpp +++ b/lib/Target/CBackend/CBackend.cpp @@ -723,7 +723,10 @@ void CWriter::writeOperand(Value *Operand) { static void generateCompilerSpecificCode(std::ostream& Out) { // Alloca is hard to get, and we don't want to include stdlib.h here... Out << "/* get a declaration for alloca */\n" - << "#if defined(__CYGWIN__) || defined(__APPLE__)\n" + << "#if defined(__CYGWIN__)\n" + << "extern void *_alloca(unsigned long);\n" + << "#define alloca(x) _alloca(x)\n" + << "#elif defined(__APPLE__)\n" << "extern void *__builtin_alloca(unsigned long);\n" << "#define alloca(x) __builtin_alloca(x)\n" << "#elif defined(__sun__)\n" |