OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

re PR rtl-optimization/79901 (ICE in prepare_cmp_insn, at optabs.c:3904) 

PR rtl-optimization/79901
	* expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
	min/max expander, expand it using expand_vec_cond_expr.

From-SVN: r245946
This commit is contained in:
Jakub Jelinek 2017-03-07 09:04:38 +01:00 committed by Jakub Jelinek
parent 1f6dba54da
commit cd5c0aeeae
2 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
gcc/ChangeLog
View File

@ -1,5 +1,9 @@
2017-03-07 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/79901
* expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
min/max expander, expand it using expand_vec_cond_expr.
PR sanitizer/79897
* ubsan.c (ubsan_encode_value): Call mark_addressable on the
temporary.

12
gcc/expr.c
View File

@ -8943,6 +8943,18 @@ expand_expr_real_2 (sepops ops, rtx target, machine_mode tmode,
if (temp != 0)
return temp;
/* For vector MIN <x, y>, expand it a VEC_COND_EXPR <x <= y, x, y>
and similarly for MAX <x, y>. */
if (VECTOR_TYPE_P (type))
{
tree t0 = make_tree (type, op0);
tree t1 = make_tree (type, op1);
tree comparison = build2 (code == MIN_EXPR ? LE_EXPR : GE_EXPR,
type, t0, t1);
return expand_vec_cond_expr (type, comparison, t0, t1,
original_target);
}
/* At this point, a MEM target is no longer useful; we will get better
code without it. */