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Re: [tree-ssa] Initial formal temporary table PATCH, not applied

From: Daniel Berlin <dberlin at dberlin dot org>
To: Jason Merrill <jason at redhat dot com>
Cc: gcc-patches at gcc dot gnu dot org
Date: Sun, 27 Apr 2003 23:30:54 -0400
Subject: Re: [tree-ssa] Initial formal temporary table PATCH, not applied


! static int
! gimple_tree_eq (const void *p1, const void *p2)
! {
!   int i;
!   tree t1 = ((const elt_t *)p1)->val;
!   tree t2 = ((const elt_t *)p2)->val;
!   enum tree_code code = TREE_CODE (t1);
!
!   if (TREE_CODE (t2) != code
!       || TREE_TYPE (t1) != TREE_TYPE (t2))
!     return 0;
!
!   for (i =

 first_rtl_op (code) - 1; i >= 0; --i)
!     {
!       tree op1 = TREE_OPERAND (t1, i);
!       tree op2 = TREE_OPERAND (t2, i);
!
!       if (op1 == op2)
! 	/* OK */;
!       else if (op1 && op2
! 	       && TREE_CONSTANT (op1) && TREE_CONSTANT (op2)
! 	       && simple_cst_equal (op1, op2))
! 	/* OK */;
!       else
! 	return 0;

Can't you just use operand_equal_p in this function instead of this?

References:
- [tree-ssa] Initial formal temporary table PATCH, not applied
  - From: Jason Merrill

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