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From: Pierre-Marie de Rodat <pmderodat@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-5026] [Ada] Simplify expansion of array equality Date: Tue, 9 Nov 2021 09:46:20 +0000 (GMT) [thread overview] Message-ID: <20211109094620.94CCC385800E@sourceware.org> (raw) https://gcc.gnu.org/g:02ca2184cdabf79c8c8353b7d464f15d26d1f24f commit r12-5026-g02ca2184cdabf79c8c8353b7d464f15d26d1f24f Author: Piotr Trojanek <trojanek@adacore.com> Date: Tue Oct 26 18:05:43 2021 +0200 [Ada] Simplify expansion of array equality gcc/ada/ * exp_ch4.adb (Test_Empty_Arrays): Simplify with Evolve_Or_Else; remove unnecessary call to Relocate_Node. (Test_Lengths_Correspond): Likewise. Diff: --- gcc/ada/exp_ch4.adb | 50 +++++++++----------------------------------------- 1 file changed, 9 insertions(+), 41 deletions(-) diff --git a/gcc/ada/exp_ch4.adb b/gcc/ada/exp_ch4.adb index 93dffb66011..26996444735 100644 --- a/gcc/ada/exp_ch4.adb +++ b/gcc/ada/exp_ch4.adb @@ -1902,41 +1902,20 @@ package body Exp_Ch4 is ----------------------- function Test_Empty_Arrays return Node_Id is - Alist : Node_Id; - Blist : Node_Id; - - Atest : Node_Id; - Btest : Node_Id; + Alist : Node_Id := Empty; + Blist : Node_Id := Empty; begin - Alist := Empty; - Blist := Empty; for J in 1 .. Number_Dimensions (Ltyp) loop - Atest := + Evolve_Or_Else (Alist, Make_Op_Eq (Loc, Left_Opnd => Arr_Attr (A, Name_Length, J), - Right_Opnd => Make_Integer_Literal (Loc, 0)); + Right_Opnd => Make_Integer_Literal (Loc, Uint_0))); - Btest := + Evolve_Or_Else (Blist, Make_Op_Eq (Loc, Left_Opnd => Arr_Attr (B, Name_Length, J), - Right_Opnd => Make_Integer_Literal (Loc, 0)); - - if No (Alist) then - Alist := Atest; - Blist := Btest; - - else - Alist := - Make_Or_Else (Loc, - Left_Opnd => Relocate_Node (Alist), - Right_Opnd => Atest); - - Blist := - Make_Or_Else (Loc, - Left_Opnd => Relocate_Node (Blist), - Right_Opnd => Btest); - end if; + Right_Opnd => Make_Integer_Literal (Loc, Uint_0))); end loop; return @@ -1950,25 +1929,14 @@ package body Exp_Ch4 is ----------------------------- function Test_Lengths_Correspond return Node_Id is - Result : Node_Id; - Rtest : Node_Id; + Result : Node_Id := Empty; begin - Result := Empty; for J in 1 .. Number_Dimensions (Ltyp) loop - Rtest := + Evolve_Or_Else (Result, Make_Op_Ne (Loc, Left_Opnd => Arr_Attr (A, Name_Length, J), - Right_Opnd => Arr_Attr (B, Name_Length, J)); - - if No (Result) then - Result := Rtest; - else - Result := - Make_Or_Else (Loc, - Left_Opnd => Relocate_Node (Result), - Right_Opnd => Rtest); - end if; + Right_Opnd => Arr_Attr (B, Name_Length, J))); end loop; return Result;
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