diff options
Diffstat (limited to 'llvm/lib/Target/X86/README.txt')
| -rw-r--r-- | llvm/lib/Target/X86/README.txt | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/llvm/lib/Target/X86/README.txt b/llvm/lib/Target/X86/README.txt index e67fab10904..a305ae6ec55 100644 --- a/llvm/lib/Target/X86/README.txt +++ b/llvm/lib/Target/X86/README.txt @@ -895,24 +895,6 @@ compare: //===---------------------------------------------------------------------===// -Linux is missing some basic tail call support: - -#include <math.h> -double foo(double a) { return sin(a); } - -This compiles into this on x86-64 Linux (but not darwin): -foo: - subq $8, %rsp - call sin - addq $8, %rsp - ret -vs: - -foo: - jmp sin - -//===---------------------------------------------------------------------===// - Tail call optimization improvements: Tail call optimization currently pushes all arguments on the top of the stack (their normal place for non-tail call optimized calls) that source from the callers arguments |
