@@ -10251,6 +10251,13 @@ rs6000_emit_set_long_const (rtx dest, HOST_WIDE_INT c)
if (ud1 != 0)
emit_move_insn (dest, gen_rtx_IOR (DImode, temp, GEN_INT (ud1)));
}
+ else if (ud4 == 0xffff && ud3 == 0xffff && !(ud2 & 0x8000) && ud1 == 0)
+ {
+ /* lis; xoris */
+ temp = !can_create_pseudo_p () ? dest : gen_reg_rtx (DImode);
+ emit_move_insn (temp, GEN_INT (sext_hwi ((ud2 | 0x8000) << 16, 32)));
+ emit_move_insn (dest, gen_rtx_XOR (DImode, temp, GEN_INT (0x80000000)));
+ }
else if (ud3 == 0 && ud4 == 0)
{
temp = !can_create_pseudo_p () ? dest : gen_reg_rtx (DImode);
new file mode 100644
@@ -0,0 +1,23 @@
+/* PR target/106708 */
+/* { dg-do run } */
+/* { dg-options "-O2 -mno-prefixed -save-temps" } */
+/* { dg-require-effective-target has_arch_ppc64 } */
+
+long long arr[] = {0xffffffff65430000LL};
+void __attribute__ ((__noipa__)) lisxoris (long long *arg)
+{
+ *arg = 0xffffffff65430000LL;
+}
+/* { dg-final { scan-assembler-times {\mlis .*,0xe543\M} 1 } } */
+/* { dg-final { scan-assembler-times {\mxoris .*0x8000\M} 1 } } */
+
+int
+main ()
+{
+ long long a[sizeof (arr) / sizeof (arr[0])];
+
+ lisxoris (a);
+ if (__builtin_memcmp (a, arr, sizeof (arr)) != 0)
+ __builtin_abort ();
+ return 0;
+}