* [PATCH] middle-end/106457 - improve array_at_struct_end_p for array objects
@ 2022-07-28 12:35 Richard Biener
0 siblings, 0 replies; 3+ messages in thread
From: Richard Biener @ 2022-07-28 12:35 UTC (permalink / raw)
To: gcc-patches
Array references to array objects are never at struct end.
Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.
PR middle-end/106457
* tree.cc (array_at_struct_end_p): Handle array objects
specially.
---
gcc/tree.cc | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/gcc/tree.cc b/gcc/tree.cc
index 84000dd8b69..fed1434d141 100644
--- a/gcc/tree.cc
+++ b/gcc/tree.cc
@@ -12778,6 +12778,10 @@ array_at_struct_end_p (tree ref)
&& DECL_SIZE_UNIT (ref)
&& TREE_CODE (DECL_SIZE_UNIT (ref)) == INTEGER_CST)
{
+ /* If the object itself is the array it is not at struct end. */
+ if (DECL_P (ref_to_array))
+ return false;
+
/* Check whether the array domain covers all of the available
padding. */
poly_int64 offset;
--
2.35.3
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH] middle-end/106457 - improve array_at_struct_end_p for array objects
@ 2022-07-28 12:35 Richard Biener
0 siblings, 0 replies; 3+ messages in thread
From: Richard Biener @ 2022-07-28 12:35 UTC (permalink / raw)
To: gcc-patches
Array references to array objects are never at struct end.
Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.
PR middle-end/106457
* tree.cc (array_at_struct_end_p): Handle array objects
specially.
---
gcc/tree.cc | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/gcc/tree.cc b/gcc/tree.cc
index 84000dd8b69..fed1434d141 100644
--- a/gcc/tree.cc
+++ b/gcc/tree.cc
@@ -12778,6 +12778,10 @@ array_at_struct_end_p (tree ref)
&& DECL_SIZE_UNIT (ref)
&& TREE_CODE (DECL_SIZE_UNIT (ref)) == INTEGER_CST)
{
+ /* If the object itself is the array it is not at struct end. */
+ if (DECL_P (ref_to_array))
+ return false;
+
/* Check whether the array domain covers all of the available
padding. */
poly_int64 offset;
--
2.35.3
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH] middle-end/106457 - improve array_at_struct_end_p for array objects
@ 2022-07-28 12:35 Richard Biener
0 siblings, 0 replies; 3+ messages in thread
From: Richard Biener @ 2022-07-28 12:35 UTC (permalink / raw)
To: gcc-patches
Array references to array objects are never at struct end.
Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.
PR middle-end/106457
* tree.cc (array_at_struct_end_p): Handle array objects
specially.
---
gcc/tree.cc | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/gcc/tree.cc b/gcc/tree.cc
index 84000dd8b69..fed1434d141 100644
--- a/gcc/tree.cc
+++ b/gcc/tree.cc
@@ -12778,6 +12778,10 @@ array_at_struct_end_p (tree ref)
&& DECL_SIZE_UNIT (ref)
&& TREE_CODE (DECL_SIZE_UNIT (ref)) == INTEGER_CST)
{
+ /* If the object itself is the array it is not at struct end. */
+ if (DECL_P (ref_to_array))
+ return false;
+
/* Check whether the array domain covers all of the available
padding. */
poly_int64 offset;
--
2.35.3
^ permalink raw reply [flat|nested] 3+ messages in thread
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