+2017-10-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/62263
+ PR middle-end/82498
+ * tree-ssa-forwprop.c (simplify_rotate): Allow def_arg1[N]
+ to be any operand_equal_p operands. For & (B - 1) require
+ B to be power of 2. Recognize
+ (X << (Y & (B - 1))) | (X >> ((-Y) & (B - 1))) and similar patterns.
+
2017-10-14 Uros Bizjak <ubizjak@gmail.com>
PR bootstrap/82553
+2017-10-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/62263
+ PR middle-end/82498
+ * c-c++-common/rotate-5.c (f2): New function. Move old
+ function to ...
+ (f4): ... this. Use 127 instead of 128.
+ (f3, f5, f6): New functions.
+ (main): Test all f[1-6] functions, with both 0 and 1 as
+ second arguments.
+ * c-c++-common/rotate-6.c: New test.
+ * c-c++-common/rotate-6a.c: New test.
+ * c-c++-common/rotate-7.c: New test.
+ * c-c++-common/rotate-7a.c: New test.
+ * c-c++-common/rotate-8.c: New test.
+
2017-10-14 Hristian Kirtchev <kirtchev@adacore.com>
* gnat.dg/remote_call_iface.ads, gnat.dg/remote_call_iface.adb: New
return (x << y) | (x >> ((-y) & 63));
}
+__attribute__((noinline, noclone))
+unsigned long long
+f2 (unsigned long long x, unsigned int y)
+{
+ return (x << y) + (x >> ((-y) & 63));
+}
+
+__attribute__((noinline, noclone))
+unsigned long long
+f3 (unsigned long long x, unsigned int y)
+{
+ return (x << y) ^ (x >> ((-y) & 63));
+}
+
#if __CHAR_BIT__ * __SIZEOF_INT128__ == 128
__attribute__((noinline, noclone))
unsigned __int128
-f2 (unsigned __int128 x, unsigned int y)
+f4 (unsigned __int128 x, unsigned int y)
+{
+ return (x << y) | (x >> ((-y) & 127));
+}
+
+__attribute__((noinline, noclone))
+unsigned __int128
+f5 (unsigned __int128 x, unsigned int y)
{
- return (x << y) | (x >> ((-y) & 128));
+ return (x << y) + (x >> ((-y) & 127));
+}
+
+__attribute__((noinline, noclone))
+unsigned __int128
+f6 (unsigned __int128 x, unsigned int y)
+{
+ return (x << y) ^ (x >> ((-y) & 127));
}
#endif
#endif
#if __CHAR_BIT__ * __SIZEOF_LONG_LONG__ == 64
if (f1 (0x123456789abcdef0ULL, 0) != 0x123456789abcdef0ULL)
abort ();
+ if (f2 (0x123456789abcdef0ULL, 0) != 0x2468acf13579bde0ULL)
+ abort ();
+ if (f3 (0x123456789abcdef0ULL, 0) != 0)
+ abort ();
+ if (f1 (0x123456789abcdef0ULL, 1) != 0x2468acf13579bde0ULL)
+ abort ();
+ if (f2 (0x123456789abcdef0ULL, 1) != 0x2468acf13579bde0ULL)
+ abort ();
+ if (f3 (0x123456789abcdef0ULL, 1) != 0x2468acf13579bde0ULL)
+ abort ();
#if __CHAR_BIT__ * __SIZEOF_INT128__ == 128
- if (f2 ((((unsigned __int128) 0x123456789abcdef0ULL) << 64)
+ if (f4 ((((unsigned __int128) 0x123456789abcdef0ULL) << 64)
| 0x0fedcba987654321ULL, 0)
!= ((((unsigned __int128) 0x123456789abcdef0ULL) << 64)
| 0x0fedcba987654321ULL))
abort ();
+ if (f5 ((((unsigned __int128) 0x123456789abcdef0ULL) << 64)
+ | 0x0fedcba987654321ULL, 0)
+ != ((((unsigned __int128) 0x2468acf13579bde0ULL) << 64)
+ | 0x1fdb97530eca8642ULL))
+ abort ();
+ if (f6 ((((unsigned __int128) 0x123456789abcdef0ULL) << 64)
+ | 0x0fedcba987654321ULL, 0) != 0)
+ abort ();
+ if (f4 ((((unsigned __int128) 0x123456789abcdef0ULL) << 64)
+ | 0x0fedcba987654321ULL, 1)
+ != ((((unsigned __int128) 0x2468acf13579bde0ULL) << 64)
+ | 0x1fdb97530eca8642ULL))
+ abort ();
+ if (f5 ((((unsigned __int128) 0x123456789abcdef0ULL) << 64)
+ | 0x0fedcba987654321ULL, 1)
+ != ((((unsigned __int128) 0x2468acf13579bde0ULL) << 64)
+ | 0x1fdb97530eca8642ULL))
+ abort ();
+ if (f6 ((((unsigned __int128) 0x123456789abcdef0ULL) << 64)
+ | 0x0fedcba987654321ULL, 1)
+ != ((((unsigned __int128) 0x2468acf13579bde0ULL) << 64)
+ | 0x1fdb97530eca8642ULL))
+ abort ();
#endif
#endif
return 0;
--- /dev/null
+/* Check rotate pattern detection. */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fno-ipa-icf -fdump-tree-optimized" } */
+/* Rotates should be recognized only in functions with | instead of + or ^,
+ or in functions that have constant shift counts (unused attribute on y). */
+/* { dg-final { scan-tree-dump-times "r\[<>]\[<>]" 48 "optimized" } } */
+
+unsigned int
+f1 (unsigned int x, unsigned int y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f2 (unsigned int x, unsigned long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f3 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) | (x >> ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f4 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (x >> 1);
+}
+
+unsigned short int
+f5 (unsigned short int x, unsigned int y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) | (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned short int
+f6 (unsigned short int x, unsigned long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) | (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned char
+f7 (unsigned char x, unsigned int y)
+{
+ return (x << (y & (__CHAR_BIT__ - 1))) | (x >> ((-y) & (__CHAR_BIT__ - 1)));
+}
+
+unsigned char
+f8 (unsigned char x, unsigned long int y)
+{
+ return (x << (y & (__CHAR_BIT__ - 1))) | (x >> ((-y) & (__CHAR_BIT__ - 1)));
+}
+
+unsigned int
+f9 (unsigned int x, unsigned int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) | (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f10 (unsigned int x, unsigned long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) | (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f11 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) | (x >> ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f12 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) | (x >> 1);
+}
+
+unsigned short int
+f13 (unsigned short int x, unsigned int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) | (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned short int
+f14 (unsigned short int x, unsigned long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) | (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned char
+f15 (unsigned char x, unsigned int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) | (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned char
+f16 (unsigned char x, unsigned long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) | (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned int
+f17 (unsigned int x, unsigned int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) ^ (x << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f18 (unsigned int x, unsigned long int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) ^ (x << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f19 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x >> ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) ^ (x << 1);
+}
+
+unsigned int
+f20 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x >> 1) ^ (x << ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned short int
+f21 (unsigned short int x, unsigned int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) ^ (x << (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned short int
+f22 (unsigned short int x, unsigned long int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) ^ (x << (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned char
+f23 (unsigned char x, unsigned int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ - 1))) ^ (x << (y & (__CHAR_BIT__ - 1)));
+}
+
+unsigned char
+f24 (unsigned char x, unsigned long int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ - 1))) ^ (x << (y & (__CHAR_BIT__ - 1)));
+}
+
+unsigned int
+f25 (unsigned int x, unsigned int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) ^ (x << (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f26 (unsigned int x, unsigned long int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) ^ (x << (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f27 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x >> ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) ^ (x << 1);
+}
+
+unsigned int
+f28 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x >> 1) ^ (x << ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned short int
+f29 (unsigned short int x, unsigned int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) ^ (x << (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned short int
+f30 (unsigned short int x, unsigned long int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) ^ (x << (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned char
+f31 (unsigned char x, unsigned int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) ^ (x << (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned char
+f32 (unsigned char x, unsigned long int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) ^ (x << (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned int
+f33 (unsigned int x, unsigned int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f34 (unsigned int x, unsigned long int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f35 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x >> 1) | (x << ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f36 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x >> ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (x << 1);
+}
+
+unsigned short int
+f37 (unsigned short int x, unsigned int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) | (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned short int
+f38 (unsigned short int x, unsigned long int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) | (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned char
+f39 (unsigned char x, unsigned int y)
+{
+ return (x >> (y & (__CHAR_BIT__ - 1))) | (x << ((-y) & (__CHAR_BIT__ - 1)));
+}
+
+unsigned char
+f40 (unsigned char x, unsigned long int y)
+{
+ return (x >> (y & (__CHAR_BIT__ - 1))) | (x << ((-y) & (__CHAR_BIT__ - 1)));
+}
+
+unsigned int
+f41 (unsigned int x, unsigned int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) | (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f42 (unsigned int x, unsigned long int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) | (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f43 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x >> 1) | (x << ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f44 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x >> ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) | (x << 1);
+}
+
+unsigned short int
+f45 (unsigned short int x, unsigned int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) | (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned short int
+f46 (unsigned short int x, unsigned long int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) | (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned char
+f47 (unsigned char x, unsigned int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) | (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned char
+f48 (unsigned char x, unsigned long int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) | (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned int
+f49 (unsigned int x, unsigned int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) ^ (x >> (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f50 (unsigned int x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) ^ (x >> (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f51 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) ^ (x >> 1);
+}
+
+unsigned int
+f52 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) ^ (x >> ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned short int
+f53 (unsigned short int x, unsigned int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) ^ (x >> (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned short int
+f54 (unsigned short int x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) ^ (x >> (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned char
+f55 (unsigned char x, unsigned int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ - 1))) ^ (x >> (y & (__CHAR_BIT__ - 1)));
+}
+
+unsigned char
+f56 (unsigned char x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ - 1))) ^ (x >> (y & (__CHAR_BIT__ - 1)));
+}
+
+unsigned int
+f57 (unsigned int x, unsigned int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) ^ (x >> (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f58 (unsigned int x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) ^ (x >> (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f59 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) ^ (x >> 1);
+}
+
+unsigned int
+f60 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) ^ (x >> ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned short int
+f61 (unsigned short int x, unsigned int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) ^ (x >> (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned short int
+f62 (unsigned short int x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) ^ (x >> (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned char
+f63 (unsigned char x, unsigned int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) ^ (x >> (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned char
+f64 (unsigned char x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) ^ (x >> (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned int
+f65 (unsigned int x, unsigned int y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) + (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f66 (unsigned int x, unsigned long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) + (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f67 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) + (x >> ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f68 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) + (x >> 1);
+}
+
+unsigned short int
+f69 (unsigned short int x, unsigned int y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) + (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned short int
+f70 (unsigned short int x, unsigned long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) + (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned char
+f71 (unsigned char x, unsigned int y)
+{
+ return (x << (y & (__CHAR_BIT__ - 1))) + (x >> ((-y) & (__CHAR_BIT__ - 1)));
+}
+
+unsigned char
+f72 (unsigned char x, unsigned long int y)
+{
+ return (x << (y & (__CHAR_BIT__ - 1))) + (x >> ((-y) & (__CHAR_BIT__ - 1)));
+}
+
+unsigned int
+f73 (unsigned int x, unsigned int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f74 (unsigned int x, unsigned long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f75 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) + (x >> ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f76 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) + (x >> 1);
+}
+
+unsigned short int
+f77 (unsigned short int x, unsigned int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned short int
+f78 (unsigned short int x, unsigned long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned char
+f79 (unsigned char x, unsigned int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned char
+f80 (unsigned char x, unsigned long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned int
+f81 (unsigned int x, unsigned int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) + (x >> (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f82 (unsigned int x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) + (x >> (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f83 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) + (x >> 1);
+}
+
+unsigned int
+f84 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) + (x >> ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned short int
+f85 (unsigned short int x, unsigned int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) + (x >> (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned short int
+f86 (unsigned short int x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) + (x >> (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned char
+f87 (unsigned char x, unsigned int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ - 1))) + (x >> (y & (__CHAR_BIT__ - 1)));
+}
+
+unsigned char
+f88 (unsigned char x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ - 1))) + (x >> (y & (__CHAR_BIT__ - 1)));
+}
+
+unsigned int
+f89 (unsigned int x, unsigned int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) + (x >> (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f90 (unsigned int x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) + (x >> (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f91 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) + (x >> 1);
+}
+
+unsigned int
+f92 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) + (x >> ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned short int
+f93 (unsigned short int x, unsigned int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) + (x >> (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned short int
+f94 (unsigned short int x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) + (x >> (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned char
+f95 (unsigned char x, unsigned int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) + (x >> (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned char
+f96 (unsigned char x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) + (x >> (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
--- /dev/null
+/* { dg-do run } */
+/* { dg-options "-O2 -Wno-overflow" } */
+
+#define ROTATE_N "rotate-6.c"
+
+#include "rotate-1a.c"
--- /dev/null
+/* Check rotate pattern detection. */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fno-ipa-icf -fdump-tree-optimized" } */
+/* Rotates should be recognized only in functions with | instead of + or ^,
+ or in functions that have constant shift counts (unused attribute on y). */
+/* { dg-final { scan-tree-dump-times "r\[<>]\[<>]" 48 "optimized" } } */
+
+unsigned int
+f1 (unsigned int x, int y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f2 (unsigned int x, long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f3 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) | (x >> ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f4 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (x >> 1);
+}
+
+unsigned short int
+f5 (unsigned short int x, int y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) | (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned short int
+f6 (unsigned short int x, long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) | (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned char
+f7 (unsigned char x, int y)
+{
+ return (x << (y & (__CHAR_BIT__ - 1))) | (x >> ((-y) & (__CHAR_BIT__ - 1)));
+}
+
+unsigned char
+f8 (unsigned char x, long int y)
+{
+ return (x << (y & (__CHAR_BIT__ - 1))) | (x >> ((-y) & (__CHAR_BIT__ - 1)));
+}
+
+unsigned int
+f9 (unsigned int x, int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) | (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f10 (unsigned int x, long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) | (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f11 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) | (x >> ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f12 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) | (x >> 1);
+}
+
+unsigned short int
+f13 (unsigned short int x, int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) | (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned short int
+f14 (unsigned short int x, long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) | (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned char
+f15 (unsigned char x, int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) | (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned char
+f16 (unsigned char x, long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) | (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned int
+f17 (unsigned int x, int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) ^ (x << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f18 (unsigned int x, long int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) ^ (x << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f19 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x >> ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) ^ (x << 1);
+}
+
+unsigned int
+f20 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x >> 1) ^ (x << ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned short int
+f21 (unsigned short int x, int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) ^ (x << (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned short int
+f22 (unsigned short int x, long int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) ^ (x << (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned char
+f23 (unsigned char x, int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ - 1))) ^ (x << (y & (__CHAR_BIT__ - 1)));
+}
+
+unsigned char
+f24 (unsigned char x, long int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ - 1))) ^ (x << (y & (__CHAR_BIT__ - 1)));
+}
+
+unsigned int
+f25 (unsigned int x, int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) ^ (x << (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f26 (unsigned int x, long int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) ^ (x << (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f27 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x >> ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) ^ (x << 1);
+}
+
+unsigned int
+f28 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x >> 1) ^ (x << ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned short int
+f29 (unsigned short int x, int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) ^ (x << (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned short int
+f30 (unsigned short int x, long int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) ^ (x << (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned char
+f31 (unsigned char x, int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) ^ (x << (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned char
+f32 (unsigned char x, long int y)
+{
+ return (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) ^ (x << (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned int
+f33 (unsigned int x, int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f34 (unsigned int x, long int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f35 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x >> 1) | (x << ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f36 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x >> ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (x << 1);
+}
+
+unsigned short int
+f37 (unsigned short int x, int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) | (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned short int
+f38 (unsigned short int x, long int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) | (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned char
+f39 (unsigned char x, int y)
+{
+ return (x >> (y & (__CHAR_BIT__ - 1))) | (x << ((-y) & (__CHAR_BIT__ - 1)));
+}
+
+unsigned char
+f40 (unsigned char x, long int y)
+{
+ return (x >> (y & (__CHAR_BIT__ - 1))) | (x << ((-y) & (__CHAR_BIT__ - 1)));
+}
+
+unsigned int
+f41 (unsigned int x, int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) | (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f42 (unsigned int x, long int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) | (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f43 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x >> 1) | (x << ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f44 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x >> ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) | (x << 1);
+}
+
+unsigned short int
+f45 (unsigned short int x, int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) | (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned short int
+f46 (unsigned short int x, long int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) | (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned char
+f47 (unsigned char x, int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) | (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned char
+f48 (unsigned char x, long int y)
+{
+ return (x >> (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) | (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned int
+f49 (unsigned int x, int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) ^ (x >> (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f50 (unsigned int x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) ^ (x >> (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f51 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) ^ (x >> 1);
+}
+
+unsigned int
+f52 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) ^ (x >> ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned short int
+f53 (unsigned short int x, int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) ^ (x >> (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned short int
+f54 (unsigned short int x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) ^ (x >> (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned char
+f55 (unsigned char x, int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ - 1))) ^ (x >> (y & (__CHAR_BIT__ - 1)));
+}
+
+unsigned char
+f56 (unsigned char x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ - 1))) ^ (x >> (y & (__CHAR_BIT__ - 1)));
+}
+
+unsigned int
+f57 (unsigned int x, int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) ^ (x >> (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f58 (unsigned int x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) ^ (x >> (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f59 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) ^ (x >> 1);
+}
+
+unsigned int
+f60 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) ^ (x >> ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned short int
+f61 (unsigned short int x, int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) ^ (x >> (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned short int
+f62 (unsigned short int x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) ^ (x >> (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned char
+f63 (unsigned char x, int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) ^ (x >> (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned char
+f64 (unsigned char x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) ^ (x >> (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned int
+f65 (unsigned int x, int y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) + (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f66 (unsigned int x, long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) + (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f67 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) + (x >> ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f68 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) + (x >> 1);
+}
+
+unsigned short int
+f69 (unsigned short int x, int y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) + (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned short int
+f70 (unsigned short int x, long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) + (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned char
+f71 (unsigned char x, int y)
+{
+ return (x << (y & (__CHAR_BIT__ - 1))) + (x >> ((-y) & (__CHAR_BIT__ - 1)));
+}
+
+unsigned char
+f72 (unsigned char x, long int y)
+{
+ return (x << (y & (__CHAR_BIT__ - 1))) + (x >> ((-y) & (__CHAR_BIT__ - 1)));
+}
+
+unsigned int
+f73 (unsigned int x, int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f74 (unsigned int x, long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f75 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) + (x >> ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f76 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) + (x >> 1);
+}
+
+unsigned short int
+f77 (unsigned short int x, int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned short int
+f78 (unsigned short int x, long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned char
+f79 (unsigned char x, int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned char
+f80 (unsigned char x, long int y)
+{
+ return (x << (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned int
+f81 (unsigned int x, int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) + (x >> (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f82 (unsigned int x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) + (x >> (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f83 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) + (x >> 1);
+}
+
+unsigned int
+f84 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) + (x >> ((-1) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned short int
+f85 (unsigned short int x, int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) + (x >> (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned short int
+f86 (unsigned short int x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) + (x >> (y & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned char
+f87 (unsigned char x, int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ - 1))) + (x >> (y & (__CHAR_BIT__ - 1)));
+}
+
+unsigned char
+f88 (unsigned char x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ - 1))) + (x >> (y & (__CHAR_BIT__ - 1)));
+}
+
+unsigned int
+f89 (unsigned int x, int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) + (x >> (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f90 (unsigned int x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) + (x >> (y & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f91 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) + (x >> 1);
+}
+
+unsigned int
+f92 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) + (x >> ((-1) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned short int
+f93 (unsigned short int x, int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) + (x >> (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned short int
+f94 (unsigned short int x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) + (x >> (y & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned char
+f95 (unsigned char x, int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) + (x >> (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned char
+f96 (unsigned char x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) + (x >> (y & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
--- /dev/null
+/* { dg-do run } */
+/* { dg-options "-O2 -Wno-overflow" } */
+
+#define ROTATE_N "rotate-7.c"
+
+#include "rotate-1a.c"
--- /dev/null
+/* PR middle-end/62263 */
+/* PR middle-end/82498 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fno-ipa-icf -fdump-tree-optimized" } */
+/* { dg-final { scan-tree-dump-times "r\[<>]\[<>]" 23 "optimized" } } */
+
+unsigned int
+f1 (unsigned int x, unsigned char y)
+{
+ y %= __CHAR_BIT__ * __SIZEOF_INT__;
+ return (x << y) | (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - y));
+}
+
+unsigned int
+f2 (unsigned int x, signed char y)
+{
+ y &= __CHAR_BIT__ * __SIZEOF_INT__ - 1;
+ return (x << y) | (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - y));
+}
+
+unsigned int
+f3 (unsigned int x, unsigned char y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))));
+}
+
+unsigned int
+f4 (unsigned int x, unsigned char y)
+{
+ y = y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1);
+ return y ? (x << y) | (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - y)) : x;
+}
+
+unsigned int
+f5 (unsigned int x, unsigned char y)
+{
+ y = y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1);
+ return (x << y) | (x >> ((__CHAR_BIT__ * __SIZEOF_INT__ - y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f6 (unsigned int x, unsigned char y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (x >> ((__CHAR_BIT__ * __SIZEOF_INT__ - (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f7 (unsigned int x, unsigned char y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (x >> ((__CHAR_BIT__ * __SIZEOF_INT__ - y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f8 (unsigned int x, unsigned char y)
+{
+ return (x << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f9 (unsigned int x, int y)
+{
+ return (0x12345678U << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (0x12345678U >> (-y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f10 (unsigned int x, int y)
+{
+ return (0x12345678U >> (-y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (0x12345678U << (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f11 (unsigned int x, int y)
+{
+ return (0x12345678U >> (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (0x12345678U << (-y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f12 (unsigned int x, int y)
+{
+ return (0x12345678U << (-y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) | (0x12345678U >> (y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned
+f13 (unsigned x, unsigned char y)
+{
+ if (y == 0)
+ return x;
+ y %= __CHAR_BIT__ * __SIZEOF_INT__;
+ return (x << y) | (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - y));
+}
+
+unsigned
+f14 (unsigned x, unsigned y)
+{
+ if (y == 0)
+ return x;
+ y %= __CHAR_BIT__ * __SIZEOF_INT__;
+ return (x << y) | (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - y));
+}
+
+unsigned
+f15 (unsigned x, unsigned short y)
+{
+ if (y == 0)
+ return x;
+ y %= __CHAR_BIT__ * __SIZEOF_INT__;
+ return (x << y) | (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - y));
+}
+
+unsigned
+f16 (unsigned x, unsigned char y)
+{
+ y %= __CHAR_BIT__ * __SIZEOF_INT__;
+ if (y == 0)
+ return x;
+ return (x << y) | (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - y));
+}
+
+unsigned
+f17 (unsigned x, unsigned y)
+{
+ y %= __CHAR_BIT__ * __SIZEOF_INT__;
+ if (y == 0)
+ return x;
+ return (x << y) | (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - y));
+}
+
+unsigned
+f18 (unsigned x, unsigned short y)
+{
+ y %= __CHAR_BIT__ * __SIZEOF_INT__;
+ if (y == 0)
+ return x;
+ return (x << y) | (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - y));
+}
+
+unsigned
+f19 (unsigned x, unsigned char y)
+{
+ y %= __CHAR_BIT__ * __SIZEOF_INT__;
+ return (x << y) | (x >> (((unsigned char) -y) % (__CHAR_BIT__ * __SIZEOF_INT__)));
+}
+
+unsigned
+f20 (unsigned x, unsigned int y)
+{
+ y %= __CHAR_BIT__ * __SIZEOF_INT__;
+ return (x << y) | (x >> (-y % (__CHAR_BIT__ * __SIZEOF_INT__)));
+}
+
+unsigned
+f21 (unsigned x, unsigned short y)
+{
+ y %= __CHAR_BIT__ * __SIZEOF_INT__;
+ return (x << y) | (x >> (((unsigned short) -y) % (__CHAR_BIT__ * __SIZEOF_INT__)));
+}
+
+unsigned
+f22 (unsigned x, unsigned char y)
+{
+ y %= __CHAR_BIT__ * __SIZEOF_INT__;
+ return (x << y) | (x >> (-y & ((__CHAR_BIT__ * __SIZEOF_INT__) - 1)));
+}
+
+unsigned
+f23 (unsigned x, unsigned short y)
+{
+ y %= __CHAR_BIT__ * __SIZEOF_INT__;
+ return (x << y) | (x >> (-y & ((__CHAR_BIT__ * __SIZEOF_INT__) - 1)));
+}
applied, otherwise return false.
We are looking for X with unsigned type T with bitsize B, OP being
- +, | or ^, some type T2 wider than T and
+ +, | or ^, some type T2 wider than T. For:
(X << CNT1) OP (X >> CNT2) iff CNT1 + CNT2 == B
((T) ((T2) X << CNT1)) OP ((T) ((T2) X >> CNT2)) iff CNT1 + CNT2 == B
+
+ transform these into:
+ X r<< CNT1
+
+ Or for:
(X << Y) OP (X >> (B - Y))
(X << (int) Y) OP (X >> (int) (B - Y))
((T) ((T2) X << Y)) OP ((T) ((T2) X >> (B - Y)))
((T) ((T2) X << Y)) | ((T) ((T2) X >> ((-Y) & (B - 1))))
((T) ((T2) X << (int) Y)) | ((T) ((T2) X >> (int) ((-Y) & (B - 1))))
- and transform these into:
- X r<< CNT1
+ transform these into:
X r<< Y
+ Or for:
+ (X << (Y & (B - 1))) | (X >> ((-Y) & (B - 1)))
+ (X << (int) (Y & (B - 1))) | (X >> (int) ((-Y) & (B - 1)))
+ ((T) ((T2) X << (Y & (B - 1)))) | ((T) ((T2) X >> ((-Y) & (B - 1))))
+ ((T) ((T2) X << (int) (Y & (B - 1)))) \
+ | ((T) ((T2) X >> (int) ((-Y) & (B - 1))))
+
+ transform these into:
+ X r<< (Y & (B - 1))
+
Note, in the patterns with T2 type, the type of OP operands
- might be even a signed type, but should have precision B. */
+ might be even a signed type, but should have precision B.
+ Expressions with & (B - 1) should be recognized only if B is
+ a power of 2. */
static bool
simplify_rotate (gimple_stmt_iterator *gsi)
def_arg1[i] = tem;
}
/* Both shifts have to use the same first operand. */
- if (TREE_CODE (def_arg1[0]) != SSA_NAME || def_arg1[0] != def_arg1[1])
+ if (!operand_equal_for_phi_arg_p (def_arg1[0], def_arg1[1])
+ || !types_compatible_p (TREE_TYPE (def_arg1[0]),
+ TREE_TYPE (def_arg1[1])))
return false;
if (!TYPE_UNSIGNED (TREE_TYPE (def_arg1[0])))
return false;
/* The above sequence isn't safe for Y being 0,
because then one of the shifts triggers undefined behavior.
This alternative is safe even for rotation count of 0.
- One shift count is Y and the other (-Y) & (B - 1). */
+ One shift count is Y and the other (-Y) & (B - 1).
+ Or one shift count is Y & (B - 1) and the other (-Y) & (B - 1). */
else if (cdef_code[i] == BIT_AND_EXPR
+ && pow2p_hwi (TYPE_PRECISION (rtype))
&& tree_fits_shwi_p (cdef_arg2[i])
&& tree_to_shwi (cdef_arg2[i])
== TYPE_PRECISION (rtype) - 1
rotcnt = tem;
break;
}
- defcodefor_name (tem, &code, &tem, NULL);
+ tree tem2;
+ defcodefor_name (tem, &code, &tem2, NULL);
if (CONVERT_EXPR_CODE_P (code)
- && INTEGRAL_TYPE_P (TREE_TYPE (tem))
- && TYPE_PRECISION (TREE_TYPE (tem))
+ && INTEGRAL_TYPE_P (TREE_TYPE (tem2))
+ && TYPE_PRECISION (TREE_TYPE (tem2))
> floor_log2 (TYPE_PRECISION (rtype))
- && type_has_mode_precision_p (TREE_TYPE (tem))
- && (tem == def_arg2[1 - i]
- || tem == def_arg2_alt[1 - i]))
+ && type_has_mode_precision_p (TREE_TYPE (tem2)))
{
- rotcnt = tem;
- break;
+ if (tem2 == def_arg2[1 - i]
+ || tem2 == def_arg2_alt[1 - i])
+ {
+ rotcnt = tem2;
+ break;
+ }
+ }
+ else
+ tem2 = NULL_TREE;
+
+ if (cdef_code[1 - i] == BIT_AND_EXPR
+ && tree_fits_shwi_p (cdef_arg2[1 - i])
+ && tree_to_shwi (cdef_arg2[1 - i])
+ == TYPE_PRECISION (rtype) - 1
+ && TREE_CODE (cdef_arg1[1 - i]) == SSA_NAME)
+ {
+ if (tem == cdef_arg1[1 - i]
+ || tem2 == cdef_arg1[1 - i])
+ {
+ rotcnt = def_arg2[1 - i];
+ break;
+ }
+ tree tem3;
+ defcodefor_name (cdef_arg1[1 - i], &code, &tem3, NULL);
+ if (CONVERT_EXPR_CODE_P (code)
+ && INTEGRAL_TYPE_P (TREE_TYPE (tem3))
+ && TYPE_PRECISION (TREE_TYPE (tem3))
+ > floor_log2 (TYPE_PRECISION (rtype))
+ && type_has_mode_precision_p (TREE_TYPE (tem3)))
+ {
+ if (tem == tem3 || tem2 == tem3)
+ {
+ rotcnt = def_arg2[1 - i];
+ break;
+ }
+ }
}
}
}
projects / gcc.git / commitdiff