diff options
Diffstat (limited to 'include/llvm/IR/CallingConv.h')
| -rw-r--r-- | include/llvm/IR/CallingConv.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/include/llvm/IR/CallingConv.h b/include/llvm/IR/CallingConv.h index 801e88aba4d1b..850964afc3076 100644 --- a/include/llvm/IR/CallingConv.h +++ b/include/llvm/IR/CallingConv.h @@ -143,11 +143,15 @@ namespace CallingConv { /// System V ABI, used on most non-Windows systems. X86_64_SysV = 78, - /// \brief The C convention as implemented on Windows/x86-64. This - /// convention differs from the more common \c X86_64_SysV convention - /// in a number of ways, most notably in that XMM registers used to pass - /// arguments are shadowed by GPRs, and vice versa. - X86_64_Win64 = 79, + /// \brief The C convention as implemented on Windows/x86-64 and + /// AArch64. This convention differs from the more common + /// \c X86_64_SysV convention in a number of ways, most notably in + /// that XMM registers used to pass arguments are shadowed by GPRs, + /// and vice versa. + /// On AArch64, this is identical to the normal C (AAPCS) calling + /// convention for normal functions, but floats are passed in integer + /// registers to variadic functions. + Win64 = 79, /// \brief MSVC calling convention that passes vectors and vector aggregates /// in SSE registers. |