diff options
| -rw-r--r-- | lib/Target/X86/X86Subtarget.cpp | 2 | ||||
| -rw-r--r-- | test/CodeGen/X86/stack-align2.ll | 25 |
2 files changed, 26 insertions, 1 deletions
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp index d780032..f4a6261 100644 --- a/lib/Target/X86/X86Subtarget.cpp +++ b/lib/Target/X86/X86Subtarget.cpp @@ -333,7 +333,7 @@ X86Subtarget::X86Subtarget(const std::string &TT, const std::string &CPU, , IsUAMemFast(false) , HasVectorUAMem(false) , HasCmpxchg16b(false) - , stackAlignment(8) + , stackAlignment(4) // FIXME: this is a known good value for Yonah. How about others? , MaxInlineSizeThreshold(128) , TargetTriple(TT) diff --git a/test/CodeGen/X86/stack-align2.ll b/test/CodeGen/X86/stack-align2.ll new file mode 100644 index 0000000..5523c0e --- /dev/null +++ b/test/CodeGen/X86/stack-align2.ll @@ -0,0 +1,25 @@ +; RUN: llc < %s -mtriple=i386-linux | FileCheck %s -check-prefix=LINUX-I386 +; RUN: llc < %s -mtriple=i386-netbsd | FileCheck %s -check-prefix=NETBSD-I386 +; RUN: llc < %s -mtriple=i686-apple-darwin8 | FileCheck %s -check-prefix=DARWIN-I386 +; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s -check-prefix=LINUX-X86_64 +; RUN: llc < %s -mtriple=x86_64-netbsd | FileCheck %s -check-prefix=NETBSD-X86_64 +; RUN: llc < %s -mtriple=x86_64-apple-darwin8 | FileCheck %s -check-prefix=DARWIN-X86_64 + +define i32 @test() nounwind { +entry: + call void @test2() + ret i32 0 + +; LINUX-I386: subl $12, %esp +; DARWIN-I386: subl $12, %esp +; NETBSD-I386-NOT: subl {{.*}}, %esp + +; LINUX-X86_64: pushq %{{.*}} +; LINUX-X86_64-NOT: subq {{.*}}, %rsp +; DARWIN-X86_64: pushq %{{.*}} +; DARWIN-X86_64-NOT: subq {{.*}}, %rsp +; NETBSD-X86_64: pushq %{{.*}} +; NETBSD-X86_64-NOT: subq {{.*}}, %rsp +} + +declare void @test2() |