mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2025-03-25 19:11:21 +08:00
Code Issues Packages Projects Releases Wiki Activity

Fix correct offset in ipa_get_jf_ancestor_result.

Browse Source 
PR ipa/94232
	* ipa-cp.c (ipa_get_jf_ancestor_result): Use offset in bytes. Previously
	build_ref_for_offset function was used and it transforms off to bytes
	from bits.
This commit is contained in:
Martin Liska 2020-03-20 11:01:13 +01:00
parent 8fefa21fcf
commit 7d4549b2cd
No known key found for this signature in database
GPG Key ID: 4DC182DC0FA73785
2 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2020-03-20 Martin Liska <mliska@suse.cz>
PR ipa/94232
* ipa-cp.c (ipa_get_jf_ancestor_result): Use offset in bytes. Previously
build_ref_for_offset function was used and it transforms off to bytes
from bits.
2020-03-20 Richard Biener <rguenther@suse.de>
PR tree-optimization/94266

5
gcc/ipa-cp.c
View File

@ -1356,9 +1356,10 @@ ipa_get_jf_ancestor_result (struct ipa_jump_func *jfunc, tree input)
poly_int64 off = ipa_get_jf_ancestor_offset (jfunc);
if (known_eq (off, 0))
return input;
poly_int64 byte_offset = exact_div (off, BITS_PER_UNIT);
return build1 (ADDR_EXPR, TREE_TYPE (input),
fold_build2 (MEM_REF, TREE_TYPE (TREE_TYPE (input)),
input, build_int_cst (ptr_type_node, off)));
fold_build2 (MEM_REF, TREE_TYPE (TREE_TYPE (input)), input,
build_int_cst (ptr_type_node, byte_offset)));
}
else
return NULL_TREE;