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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2007-04-17 09:20:00 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2007-04-17 09:20:00 +0000 |
| commit | 57fc00d5cf47343ba762493b8781ca0b14489c35 (patch) | |
| tree | 99c7c4e8ddbc0377d824932995f716b3a4e2417c /lib/Target/CBackend/CBackend.cpp | |
| parent | 56398e39d70b88cea71faf575166ed2fbca6e2a6 (diff) | |
Implemented correct stack probing on mingw/cygwin for dynamic alloca's.
Also, fixed static case in presence of eax livin. This fixes PR331
PS: Why don't we still have push/pop instructions? :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36195 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/CBackend/CBackend.cpp')
| -rw-r--r-- | lib/Target/CBackend/CBackend.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp index 83704a34d1..ac7251f898 100644 --- a/lib/Target/CBackend/CBackend.cpp +++ b/lib/Target/CBackend/CBackend.cpp @@ -1281,8 +1281,8 @@ 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(__MINGW32__)\n" - << "extern void *_alloca(unsigned long);\n" - << "#define alloca(x) _alloca(x)\n" + << "#define alloca(x) __builtin_alloca((x))\n" + << "#define _alloca(x) __builtin_alloca((x))\n" << "#elif defined(__APPLE__)\n" << "extern void *__builtin_alloca(unsigned long);\n" << "#define alloca(x) __builtin_alloca(x)\n" |