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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 | d5d45b8d1a836ac2738a378b567b4195ef3dd0ae (patch) | |
| tree | f0f13fd7c41d54f794256026fa39ff0ec31c5460 | |
| parent | 30226da5b384c40c2ca472f877689034bb7183e7 (diff) | |
| download | bcm5719-llvm-d5d45b8d1a836ac2738a378b567b4195ef3dd0ae.tar.gz bcm5719-llvm-d5d45b8d1a836ac2738a378b567b4195ef3dd0ae.zip | |
Fix alloca support for Cygwin. On cygwin its __alloca not __builtin_alloca
llvm-svn: 19776
| -rw-r--r-- | llvm/lib/Target/CBackend/Writer.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/Target/CBackend/Writer.cpp b/llvm/lib/Target/CBackend/Writer.cpp index 0efdb65050e..6195b7678dc 100644 --- a/llvm/lib/Target/CBackend/Writer.cpp +++ b/llvm/lib/Target/CBackend/Writer.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" |
