diff options
Diffstat (limited to 'lib/Target/X86/X86CallingConv.td')
| -rw-r--r-- | lib/Target/X86/X86CallingConv.td | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/Target/X86/X86CallingConv.td b/lib/Target/X86/X86CallingConv.td index fd15efd..a5774e1 100644 --- a/lib/Target/X86/X86CallingConv.td +++ b/lib/Target/X86/X86CallingConv.td @@ -307,6 +307,20 @@ def CC_X86_32_FastCall : CallingConv<[ CCDelegateTo<CC_X86_32_Common> ]>; +def CC_X86_32_ThisCall : CallingConv<[ + // Promote i8/i16 arguments to i32. + CCIfType<[i8, i16], CCPromoteToType<i32>>, + + // The 'nest' parameter, if any, is passed in EAX. + CCIfNest<CCAssignToReg<[EAX]>>, + + // The first integer argument is passed in ECX + CCIfType<[i32], CCAssignToReg<[ECX]>>, + + // Otherwise, same as everything else. + CCDelegateTo<CC_X86_32_Common> +]>; + def CC_X86_32_FastCC : CallingConv<[ // Handles byval parameters. Note that we can't rely on the delegation // to CC_X86_32_Common for this because that happens after code that |
