------- Comment #1 from jakub at gcc dot gnu dot org 2008-03-07 16:33 -------
Patch:
2008-03-07 Jakub Jelinek <[EMAIL PROTECTED]>
PR target/35498
* config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
wdst back after sync_compare_and_swapqhi_internal.
--- gcc/config/rs6000/rs6000.c.jj 2008-02-29 09:11:54.000000000 +0100
+++ gcc/config/rs6000/rs6000.c 2008-03-07 17:22:27.000000000 +0100
@@ -13858,6 +13858,9 @@ rs6000_expand_compare_and_swapqhi (rtx d
emit_insn (gen_sync_compare_and_swapqhi_internal (wdst, mask,
oldval, newval, mem));
+ /* Shift the result back. */
+ emit_insn (gen_lshrsi3 (wdst, wdst, shift));
+
emit_move_insn (dst, gen_lowpart (mode, wdst));
}
will test it now and if successfull, post.
--
jakub at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |jakub at gcc dot gnu dot org
|dot org |
Status|UNCONFIRMED |ASSIGNED
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2008-03-07 16:33:42
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35498
