mode, tem, modewidth - len);
}
else if (unsignedp && len < HOST_BITS_PER_WIDE_INT)
- tem = simplify_and_const_int (NULL_RTX, mode,
- simplify_shift_const (NULL_RTX, LSHIFTRT,
- mode, XEXP (x, 0),
- pos),
- (HOST_WIDE_INT_1U << len) - 1);
+ {
+ tem = simplify_shift_const (NULL_RTX, LSHIFTRT, inner_mode,
+ XEXP (x, 0), pos);
+ tem = gen_lowpart (mode, tem);
+ if (!tem || GET_CODE (tem) == CLOBBER)
+ return x;
+ tem = simplify_and_const_int (NULL_RTX, mode, tem,
+ (HOST_WIDE_INT_1U << len) - 1);
+ }
else
/* Any other cases we can't handle. */
return x;
--- /dev/null
+/* PR rtl-optimization/99905 */
+/* { dg-do run { target int128 } } */
+/* { dg-options "-Os -mno-mmx -mno-sse" } */
+
+typedef unsigned char U;
+typedef unsigned char __attribute__((__vector_size__ (8))) A;
+typedef unsigned char __attribute__((__vector_size__ (16))) B;
+typedef unsigned char __attribute__((__vector_size__ (32))) C;
+typedef unsigned int __attribute__((__vector_size__ (8))) D;
+typedef unsigned long long __attribute__((__vector_size__ (8))) E;
+typedef unsigned __int128 I;
+typedef unsigned long long L;
+
+D gv;
+I gi;
+
+L __attribute__((__noipa__))
+foo (int ua, int ub, int uc, int ud, E ue, I i)
+{
+ D d = (U) __builtin_bswap16 (i >> 63) + gv;
+ B y = ((union { C a; B b[2];}) (C){ }).b[0] + (B) gi;
+ A z = ((union { B a; A b[2];}) y).b[0] + (A) d;
+ return (L)z;
+}
+
+int
+main ()
+{
+ L x = foo (0, 0, 0, 0, (E) { }, (I) 0x100 << 63);
+ if (x != 0x100000001)
+ __builtin_abort ();
+ return 0;
+}