diff options
Diffstat (limited to 'ia32/Machregs.v')
| -rw-r--r-- | ia32/Machregs.v | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/ia32/Machregs.v b/ia32/Machregs.v index ace193b7..f3801900 100644 --- a/ia32/Machregs.v +++ b/ia32/Machregs.v @@ -129,17 +129,14 @@ Fixpoint destroyed_by_clobber (cl: list string): list mreg := end end. -Definition builtin_write16_reversed := ident_of_string "__builtin_write16_reversed". -Definition builtin_write32_reversed := ident_of_string "__builtin_write32_reversed". - Definition destroyed_by_builtin (ef: external_function): list mreg := match ef with | EF_memcpy sz al => if zle sz 32 then CX :: X7 :: nil else CX :: SI :: DI :: nil | EF_vstore (Mint8unsigned|Mint8signed) => AX :: CX :: nil - | EF_builtin id sg => - if ident_eq id builtin_write16_reversed - || ident_eq id builtin_write32_reversed + | EF_builtin name sg => + if string_dec name "__builtin_write16_reversed" + || string_dec name "__builtin_write32_reversed" then CX :: DX :: nil else nil | EF_inline_asm txt sg clob => destroyed_by_clobber clob | _ => nil @@ -173,21 +170,17 @@ Definition mregs_for_operation (op: operation): list (option mreg) * option mreg | _ => (nil, None) end. -Definition builtin_negl := ident_of_string "__builtin_negl". -Definition builtin_addl := ident_of_string "__builtin_addl". -Definition builtin_subl := ident_of_string "__builtin_subl". -Definition builtin_mull := ident_of_string "__builtin_mull". - Definition mregs_for_builtin (ef: external_function): list (option mreg) * list (option mreg) := match ef with | EF_memcpy sz al => if zle sz 32 then (Some AX :: Some DX :: nil, nil) else (Some DI :: Some SI :: nil, nil) - | EF_builtin id sg => - if ident_eq id builtin_negl then + | EF_builtin name sg => + if string_dec name "__builtin_negl" then (Some DX :: Some AX :: nil, Some DX :: Some AX :: nil) - else if ident_eq id builtin_addl || ident_eq id builtin_subl then + else if string_dec name "__builtin_addl" + || string_dec name "__builtin_subl" then (Some DX :: Some AX :: Some CX :: Some BX :: nil, Some DX :: Some AX :: nil) - else if ident_eq id builtin_mull then + else if string_dec name "__builtin_mull" then (Some AX :: Some DX :: nil, Some DX :: Some AX :: nil) else (nil, nil) |