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

re PR target/91615 ([armeb] ICEs since r274986)

Browse Source 
2019-09-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR middle-end/91615
        * expr.c (expand_expr_real_1): Handle misaligned TARGET_MEM_REF
        without movmisalign optab.

From-SVN: r275409
This commit is contained in:
Bernd Edlinger 2019-09-05 13:40:17 +00:00 committed by Bernd Edlinger
parent 728347922a
commit 55e8f926f2
2 changed files with 25 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2019-09-05 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR middle-end/91615
* expr.c (expand_expr_real_1): Handle misaligned TARGET_MEM_REF
without movmisalign optab.
2019-09-05 Jakub Jelinek <jakub@redhat.com> 2019-09-05 Jakub Jelinek <jakub@redhat.com>
PR middle-end/91001 PR middle-end/91001

17
gcc/expr.c
View File

@ -10313,7 +10313,6 @@ expand_expr_real_1 (tree exp, rtx target, machine_mode tmode,
{ {
addr_space_t as addr_space_t as
= TYPE_ADDR_SPACE (TREE_TYPE (TREE_TYPE (TREE_OPERAND (exp, 0)))); = TYPE_ADDR_SPACE (TREE_TYPE (TREE_TYPE (TREE_OPERAND (exp, 0))));
enum insn_code icode;
unsigned int align; unsigned int align;
op0 = addr_for_mem_ref (exp, as, true); op0 = addr_for_mem_ref (exp, as, true);
@ -10325,11 +10324,12 @@ expand_expr_real_1 (tree exp, rtx target, machine_mode tmode,
if (modifier != EXPAND_WRITE if (modifier != EXPAND_WRITE
&& modifier != EXPAND_MEMORY && modifier != EXPAND_MEMORY
&& mode != BLKmode && mode != BLKmode
&& align < GET_MODE_ALIGNMENT (mode) && align < GET_MODE_ALIGNMENT (mode))
/* If the target does not have special handling for unaligned {
loads of mode then it can use regular moves for them. */ enum insn_code icode;
&& ((icode = optab_handler (movmisalign_optab, mode))
!= CODE_FOR_nothing)) if ((icode = optab_handler (movmisalign_optab, mode))
!= CODE_FOR_nothing)
{ {
class expand_operand ops[2]; class expand_operand ops[2];
@ -10341,6 +10341,11 @@ expand_expr_real_1 (tree exp, rtx target, machine_mode tmode,
expand_insn (icode, 2, ops); expand_insn (icode, 2, ops);
temp = ops[0].value; temp = ops[0].value;
} }
else if (targetm.slow_unaligned_access (mode, align))
temp = extract_bit_field (temp, GET_MODE_BITSIZE (mode),
0, unsignedp, NULL_RTX,
mode, mode, false, NULL);
}
return temp; return temp;
} }