procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.

Browse source 
2008-01-11  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
	(struct vn_unary_op_s): Likewise.
	(vn_reference_insert): Free old reference on hash collision.

From-SVN: r131462
This commit is contained in:
Richard Guenther 2008-01-11 13:36:53 +00:00 • committed by Richard Biener
parent 245af66d33
commit 8d0eca24fa
2 changed files with 29 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2008-01-11 Richard Guenther <rguenther@suse.de>
* tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
(struct vn_unary_op_s): Likewise.
(vn_reference_insert): Free old reference on hash collision.
2008-01-10 Raksit Ashok <raksit@google.com>
PR rtl-optimization/27971

42
gcc/tree-ssa-sccvn.c
View file

@ -125,10 +125,10 @@ typedef struct vn_tables_s
typedef struct vn_binary_op_s
{
enum tree_code opcode;
hashval_t hashcode;
tree type;
tree op0;
tree op1;
hashval_t hashcode;
tree result;
} *vn_binary_op_t;
typedef const struct vn_binary_op_s *const_vn_binary_op_t;
@ -140,9 +140,9 @@ typedef const struct vn_binary_op_s *const_vn_binary_op_t;
typedef struct vn_unary_op_s
{
enum tree_code opcode;
hashval_t hashcode;
tree type;
tree op0;
hashval_t hashcode;
tree result;
} *vn_unary_op_t;
typedef const struct vn_unary_op_s *const_vn_unary_op_t;
@ -280,6 +280,24 @@ VN_INFO_GET (tree name)
}
/* Free a phi operation structure VP. */
static void
free_phi (void *vp)
{
vn_phi_t phi = vp;
VEC_free (tree, heap, phi->phiargs);
}
/* Free a reference operation structure VP. */
static void
free_reference (void *vp)
{
vn_reference_t vr = vp;
VEC_free (vn_reference_op_s, heap, vr->operands);
}
/* Compare two reference operands P1 and P2 for equality. return true if
they are equal, and false otherwise. */
@ -691,6 +709,9 @@ vn_reference_insert (tree op, tree result, VEC (tree, gc) *vuses)
the other lookup functions, you cannot gcc_assert (!*slot)
here. */
/* But free the old slot in case of a collision. */
if (*slot)
free_reference (*slot);
*slot = vr1;
}
@ -1927,23 +1948,6 @@ DFS (tree name)
return true;
}
static void
free_phi (void *vp)
{
vn_phi_t phi = vp;
VEC_free (tree, heap, phi->phiargs);
}
/* Free a reference operation structure VP. */
static void
free_reference (void *vp)
{
vn_reference_t vr = vp;
VEC_free (vn_reference_op_s, heap, vr->operands);
}
/* Allocate a value number table. */
static void