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

visium.c (visium_gimplify_va_arg): Emit a big-endian correction if the type is smaller than a word.

Browse source 
* config/visium/visium.c (visium_gimplify_va_arg): Emit a big-endian
	correction if the type is smaller than a word.
	(visium_select_cc_mode): Add ... fall through ... comment.

From-SVN: r241076
This commit is contained in:
Eric Botcazou 2016-10-12 21:04:26 +00:00 • committed by Eric Botcazou
parent 1ad16c5284
commit 9584202189
2 changed files with 21 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2016-10-12 Eric Botcazou <ebotcazou@adacore.com>
* config/visium/visium.c (visium_gimplify_va_arg): Emit a big-endian
correction if the type is smaller than a word.
(visium_select_cc_mode): Add ... fall through ... comment.
2016-10-12 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/rs6000.c (machine_function): Add new fields

17
gcc/config/visium/visium.c
View file

@ -1626,8 +1626,8 @@ visium_gimplify_va_arg (tree valist, tree type, gimple_seq *pre_p,
7: {
8: bytes = 0;
9: addr_rtx = ovfl;
10: ovfl += rsize;
11: }
10: ovfl += rsize;
11: }
*/
@ -1691,6 +1691,16 @@ visium_gimplify_va_arg (tree valist, tree type, gimple_seq *pre_p,
gimplify_and_add (t, pre_p);
t = build1 (LABEL_EXPR, void_type_node, lab_over);
gimplify_and_add (t, pre_p);
/* Emit a big-endian correction if size < UNITS_PER_WORD. */
if (size < UNITS_PER_WORD)
{
t = build2 (POINTER_PLUS_EXPR, TREE_TYPE (addr), addr,
size_int (UNITS_PER_WORD - size));
t = build2 (MODIFY_EXPR, void_type_node, addr, t);
gimplify_and_add (t, pre_p);
}
addr = fold_convert (ptrtype, addr);
return build_va_arg_indirect_ref (addr);
@ -2848,6 +2858,9 @@ visium_select_cc_mode (enum rtx_code code, rtx op0, rtx op1)
case CONST_INT:
/* This is a degenerate case, typically an uninitialized variable. */
gcc_assert (op0 == constm1_rtx);
/* ... fall through ... */
case REG:
case AND:
case IOR: