From 6f3f640e0571fb8f31a8622da088a0435490c359 Mon Sep 17 00:00:00 2001 From: Tristan Gingold Date: Tue, 20 Jun 2017 05:45:24 +0200 Subject: ortho: add comments. --- src/ortho/mcode/ortho_code-x86-insns.adb | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/ortho/mcode/ortho_code-x86-insns.adb') diff --git a/src/ortho/mcode/ortho_code-x86-insns.adb b/src/ortho/mcode/ortho_code-x86-insns.adb index 8d6e5be69..099f73e2a 100644 --- a/src/ortho/mcode/ortho_code-x86-insns.adb +++ b/src/ortho/mcode/ortho_code-x86-insns.adb @@ -1230,7 +1230,8 @@ package body Ortho_Code.X86.Insns is -- Generate code for arguments (if any). Gen_Call_Arg (Get_Arg_Link (Stmt), Get_Subprg_Interfaces (Subprg), Pnum); - -- Clobber registers. + -- Clobber registers. They are saved in reserved slots (at the top + -- of the frame). if Flags.M64 then Clobber_Caller_Saved_Registers_64 (Get_Arg_Link (Stmt), Subprg, Pnum); else -- cgit v1.2.3