gcc/gcc43-pr35498.patch
Jakub Jelinek 69c085da3a 4.3.0-2
2008-03-07 16:36:09 +00:00

19 lines
628 B
Diff

2008-03-07 Jakub Jelinek <jakub@redhat.com>
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));
}