+2013-05-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/45216
+ PR tree-optimization/57157
+ * tree-ssa-forwprop.c (simplify_rotate): Only recognize
+ the (-Y) & (B - 1) variant if OP is |.
+ * expmed.c (expand_shift_1): For rotations by const0_rtx just
+ return shifted. Use (-op1) & (prec - 1) as other_amount
+ instead of prec - op1.
+
2013-05-13 Martin Jambor <mjambor@suse.cz>
PR middle-end/42371
{
/* If we have been unable to open-code this by a rotation,
do it as the IOR of two shifts. I.e., to rotate A
- by N bits, compute (A << N) | ((unsigned) A >> (C - N))
+ by N bits, compute
+ (A << N) | ((unsigned) A >> ((-N) & (C - 1)))
where C is the bitsize of A.
It is theoretically possible that the target machine might
rtx temp1;
new_amount = op1;
- if (CONST_INT_P (op1))
+ if (op1 == const0_rtx)
+ return shifted;
+ else if (CONST_INT_P (op1))
other_amount = GEN_INT (GET_MODE_BITSIZE (mode)
- INTVAL (op1));
else
- other_amount
- = simplify_gen_binary (MINUS, GET_MODE (op1),
- GEN_INT (GET_MODE_PRECISION (mode)),
- op1);
+ {
+ other_amount
+ = simplify_gen_unary (NEG, GET_MODE (op1),
+ op1, GET_MODE (op1));
+ other_amount
+ = simplify_gen_binary (AND, GET_MODE (op1),
+ other_amount,
+ GEN_INT (GET_MODE_PRECISION (mode)
+ - 1));
+ }
shifted = force_reg (mode, shifted);
+2013-05-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/45216
+ PR tree-optimization/57157
+ * c-c++-common/rotate-1.c: Add 32 tests with +.
+ * c-c++-common/rotate-1a.c: Adjust.
+ * c-c++-common/rotate-2.c: Add 32 tests with +, expect
+ only 48 rotates.
+ * c-c++-common/rotate-2b.c: New test.
+ * c-c++-common/rotate-3.c: Add 32 tests with +.
+ * c-c++-common/rotate-4.c: Add 32 tests with +, expect
+ only 48 rotates.
+ * c-c++-common/rotate-4b.c: New test.
+ * c-c++-common/rotate-5.c: New test.
+
2013-05-13 Martin Jambor <mjambor@suse.cz>
PR middle-end/42371
/* Check rotate pattern detection. */
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
-/* { dg-final { scan-tree-dump-times "r\[<>]\[<>]" 64 "optimized" } } */
+/* { dg-final { scan-tree-dump-times "r\[<>]\[<>]" 96 "optimized" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
unsigned int
{
return (x << (__CHAR_BIT__ * sizeof (unsigned char) - y)) ^ (x >> y);
}
+
+unsigned int
+f65 (unsigned int x, unsigned int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - y));
+}
+
+unsigned int
+f66 (unsigned int x, unsigned long int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - y));
+}
+
+unsigned int
+f67 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) + (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - 1));
+}
+
+unsigned int
+f68 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << (__CHAR_BIT__ * __SIZEOF_INT__ - 1)) + (x >> 1);
+}
+
+unsigned short int
+f69 (unsigned short int x, unsigned int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * __SIZEOF_SHORT__ - y));
+}
+
+unsigned short int
+f70 (unsigned short int x, unsigned long int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * __SIZEOF_SHORT__ - y));
+}
+
+unsigned char
+f71 (unsigned char x, unsigned int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ - y));
+}
+
+unsigned char
+f72 (unsigned char x, unsigned long int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ - y));
+}
+
+unsigned int
+f73 (unsigned int x, unsigned int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * sizeof (unsigned int) - y));
+}
+
+unsigned int
+f74 (unsigned int x, unsigned long int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * sizeof (unsigned int) - y));
+}
+
+unsigned int
+f75 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) + (x >> (__CHAR_BIT__ * sizeof (unsigned int) - 1));
+}
+
+unsigned int
+f76 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << (__CHAR_BIT__ * sizeof (unsigned int) - 1)) + (x >> 1);
+}
+
+unsigned short int
+f77 (unsigned short int x, unsigned int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * sizeof (unsigned short) - y));
+}
+
+unsigned short int
+f78 (unsigned short int x, unsigned long int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * sizeof (unsigned short) - y));
+}
+
+unsigned char
+f79 (unsigned char x, unsigned int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * sizeof (unsigned char) - y));
+}
+
+unsigned char
+f80 (unsigned char x, unsigned long int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * sizeof (unsigned char) - y));
+}
+
+unsigned int
+f81 (unsigned int x, unsigned int y)
+{
+ return (x << (__CHAR_BIT__ * __SIZEOF_INT__ - y)) + (x >> y);
+}
+
+unsigned int
+f82 (unsigned int x, unsigned long int y)
+{
+ return (x << (__CHAR_BIT__ * __SIZEOF_INT__ - y)) + (x >> y);
+}
+
+unsigned int
+f83 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << (__CHAR_BIT__ * __SIZEOF_INT__ - 1)) + (x >> 1);
+}
+
+unsigned int
+f84 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) + (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - 1));
+}
+
+unsigned short int
+f85 (unsigned short int x, unsigned int y)
+{
+ return (x << (__CHAR_BIT__ * __SIZEOF_SHORT__ - y)) + (x >> y);
+}
+
+unsigned short int
+f86 (unsigned short int x, unsigned long int y)
+{
+ return (x << (__CHAR_BIT__ * __SIZEOF_SHORT__ - y)) + (x >> y);
+}
+
+unsigned char
+f87 (unsigned char x, unsigned int y)
+{
+ return (x << (__CHAR_BIT__ - y)) + (x >> y);
+}
+
+unsigned char
+f88 (unsigned char x, unsigned long int y)
+{
+ return (x << (__CHAR_BIT__ - y)) + (x >> y);
+}
+
+unsigned int
+f89 (unsigned int x, unsigned int y)
+{
+ return (x << (__CHAR_BIT__ * sizeof (unsigned int) - y)) + (x >> y);
+}
+
+unsigned int
+f90 (unsigned int x, unsigned long int y)
+{
+ return (x << (__CHAR_BIT__ * sizeof (unsigned int) - y)) + (x >> y);
+}
+
+unsigned int
+f91 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << (__CHAR_BIT__ * sizeof (unsigned int) - 1)) + (x >> 1);
+}
+
+unsigned int
+f92 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) + (x >> (__CHAR_BIT__ * sizeof (unsigned int) - 1));
+}
+
+unsigned short int
+f93 (unsigned short int x, unsigned int y)
+{
+ return (x << (__CHAR_BIT__ * sizeof (unsigned short) - y)) + (x >> y);
+}
+
+unsigned short int
+f94 (unsigned short int x, unsigned long int y)
+{
+ return (x << (__CHAR_BIT__ * sizeof (unsigned short) - y)) + (x >> y);
+}
+
+unsigned char
+f95 (unsigned char x, unsigned int y)
+{
+ return (x << (__CHAR_BIT__ * sizeof (unsigned char) - y)) + (x >> y);
+}
+
+unsigned char
+f96 (unsigned char x, unsigned long int y)
+{
+ return (x << (__CHAR_BIT__ * sizeof (unsigned char) - y)) + (x >> y);
+}
0x2468acf, 0x2468acf, 0x91a2b3c, 0x2468acf0, 0xacf, 0xacf, 0xf, 0xf,
0x2468acf, 0x2468acf, 0x91a2b3c, 0x2468acf0, 0xacf, 0xacf, 0xf, 0xf,
0x2468acf, 0x2468acf, 0x91a2b3c, 0x2468acf0, 0xacf, 0xacf, 0xf, 0xf,
+0x2468acf, 0x2468acf, 0x91a2b3c, 0x2468acf0, 0xacf, 0xacf, 0xf, 0xf,
+0x91a2b3c0, 0x91a2b3c0, 0x2468acf0, 0x91a2b3c, 0xb3c2, 0xb3c2, 0xc3, 0xc3,
+0x91a2b3c0, 0x91a2b3c0, 0x2468acf0, 0x91a2b3c, 0xb3c2, 0xb3c2, 0xc3, 0xc3,
+0x2468acf, 0x2468acf, 0x91a2b3c, 0x2468acf0, 0xacf, 0xacf, 0xf, 0xf,
0x2468acf, 0x2468acf, 0x91a2b3c, 0x2468acf0, 0xacf, 0xacf, 0xf, 0xf };
#define F(n) __typeof (f##n) f##n __attribute__((noinline, noclone));
#define D(n) F(n##0) F(n##1) F(n##2) F(n##3) F(n##4) F(n##5) F(n##6) F(n##7) F(n##8) F(n##9)
#define ALL \
F(1) F(2) F(3) F(4) F(5) F(6) F(7) F(8) F(9) \
-D(1) D(2) D(3) D(4) D(5) F(60) F(61) F(62) F(63) F(64)
+D(1) D(2) D(3) D(4) D(5) D(6) D(7) D(8) \
+F(90) F(91) F(92) F(93) F(94) F(95) F(96)
ALL
int
/* Check rotate pattern detection. */
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
-/* { dg-final { scan-tree-dump-times "r\[<>]\[<>]" 64 "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" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
unsigned int
{
return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) ^ (x >> y);
}
+
+unsigned int
+f65 (unsigned int x, unsigned int y)
+{
+ return (x << y) + (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f66 (unsigned int x, unsigned long int y)
+{
+ return (x << y) + (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) + (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned short int
+f70 (unsigned short int x, unsigned long int y)
+{
+ return (x << y) + (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned char
+f71 (unsigned char x, unsigned int y)
+{
+ return (x << y) + (x >> ((-y) & (__CHAR_BIT__ - 1)));
+}
+
+unsigned char
+f72 (unsigned char x, unsigned long int y)
+{
+ return (x << y) + (x >> ((-y) & (__CHAR_BIT__ - 1)));
+}
+
+unsigned int
+f73 (unsigned int x, unsigned int y)
+{
+ return (x << y) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f74 (unsigned int x, unsigned long int y)
+{
+ return (x << y) + (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) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned short int
+f78 (unsigned short int x, unsigned long int y)
+{
+ return (x << y) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned char
+f79 (unsigned char x, unsigned int y)
+{
+ return (x << y) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned char
+f80 (unsigned char x, unsigned long int y)
+{
+ return (x << y) + (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);
+}
+
+unsigned int
+f82 (unsigned int x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) + (x >> y);
+}
+
+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);
+}
+
+unsigned short int
+f86 (unsigned short int x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) + (x >> y);
+}
+
+unsigned char
+f87 (unsigned char x, unsigned int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ - 1))) + (x >> y);
+}
+
+unsigned char
+f88 (unsigned char x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ - 1))) + (x >> y);
+}
+
+unsigned int
+f89 (unsigned int x, unsigned int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) + (x >> y);
+}
+
+unsigned int
+f90 (unsigned int x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) + (x >> y);
+}
+
+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);
+}
+
+unsigned short int
+f94 (unsigned short int x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) + (x >> y);
+}
+
+unsigned char
+f95 (unsigned char x, unsigned int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) + (x >> y);
+}
+
+unsigned char
+f96 (unsigned char x, unsigned long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) + (x >> y);
+}
/* Check rotate pattern detection. */
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
-/* { dg-final { scan-tree-dump-times "r\[<>]\[<>]" 64 "optimized" } } */
+/* { dg-final { scan-tree-dump-times "r\[<>]\[<>]" 96 "optimized" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
unsigned int
{
return (x << (__CHAR_BIT__ * sizeof (unsigned char) - y)) ^ (x >> y);
}
+
+unsigned int
+f65 (unsigned int x, int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - y));
+}
+
+unsigned int
+f66 (unsigned int x, long int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - y));
+}
+
+unsigned int
+f67 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) + (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - 1));
+}
+
+unsigned int
+f68 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << (__CHAR_BIT__ * __SIZEOF_INT__ - 1)) + (x >> 1);
+}
+
+unsigned short int
+f69 (unsigned short int x, int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * __SIZEOF_SHORT__ - y));
+}
+
+unsigned short int
+f70 (unsigned short int x, long int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * __SIZEOF_SHORT__ - y));
+}
+
+unsigned char
+f71 (unsigned char x, int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ - y));
+}
+
+unsigned char
+f72 (unsigned char x, long int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ - y));
+}
+
+unsigned int
+f73 (unsigned int x, int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * sizeof (unsigned int) - y));
+}
+
+unsigned int
+f74 (unsigned int x, long int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * sizeof (unsigned int) - y));
+}
+
+unsigned int
+f75 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) + (x >> (__CHAR_BIT__ * sizeof (unsigned int) - 1));
+}
+
+unsigned int
+f76 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << (__CHAR_BIT__ * sizeof (unsigned int) - 1)) + (x >> 1);
+}
+
+unsigned short int
+f77 (unsigned short int x, int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * sizeof (unsigned short) - y));
+}
+
+unsigned short int
+f78 (unsigned short int x, long int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * sizeof (unsigned short) - y));
+}
+
+unsigned char
+f79 (unsigned char x, int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * sizeof (unsigned char) - y));
+}
+
+unsigned char
+f80 (unsigned char x, long int y)
+{
+ return (x << y) + (x >> (__CHAR_BIT__ * sizeof (unsigned char) - y));
+}
+
+unsigned int
+f81 (unsigned int x, int y)
+{
+ return (x << (__CHAR_BIT__ * __SIZEOF_INT__ - y)) + (x >> y);
+}
+
+unsigned int
+f82 (unsigned int x, long int y)
+{
+ return (x << (__CHAR_BIT__ * __SIZEOF_INT__ - y)) + (x >> y);
+}
+
+unsigned int
+f83 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << (__CHAR_BIT__ * __SIZEOF_INT__ - 1)) + (x >> 1);
+}
+
+unsigned int
+f84 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) + (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - 1));
+}
+
+unsigned short int
+f85 (unsigned short int x, int y)
+{
+ return (x << (__CHAR_BIT__ * __SIZEOF_SHORT__ - y)) + (x >> y);
+}
+
+unsigned short int
+f86 (unsigned short int x, long int y)
+{
+ return (x << (__CHAR_BIT__ * __SIZEOF_SHORT__ - y)) + (x >> y);
+}
+
+unsigned char
+f87 (unsigned char x, int y)
+{
+ return (x << (__CHAR_BIT__ - y)) + (x >> y);
+}
+
+unsigned char
+f88 (unsigned char x, long int y)
+{
+ return (x << (__CHAR_BIT__ - y)) + (x >> y);
+}
+
+unsigned int
+f89 (unsigned int x, int y)
+{
+ return (x << (__CHAR_BIT__ * sizeof (unsigned int) - y)) + (x >> y);
+}
+
+unsigned int
+f90 (unsigned int x, long int y)
+{
+ return (x << (__CHAR_BIT__ * sizeof (unsigned int) - y)) + (x >> y);
+}
+
+unsigned int
+f91 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << (__CHAR_BIT__ * sizeof (unsigned int) - 1)) + (x >> 1);
+}
+
+unsigned int
+f92 (unsigned int x, int y __attribute__((unused)))
+{
+ return (x << 1) + (x >> (__CHAR_BIT__ * sizeof (unsigned int) - 1));
+}
+
+unsigned short int
+f93 (unsigned short int x, int y)
+{
+ return (x << (__CHAR_BIT__ * sizeof (unsigned short) - y)) + (x >> y);
+}
+
+unsigned short int
+f94 (unsigned short int x, long int y)
+{
+ return (x << (__CHAR_BIT__ * sizeof (unsigned short) - y)) + (x >> y);
+}
+
+unsigned char
+f95 (unsigned char x, int y)
+{
+ return (x << (__CHAR_BIT__ * sizeof (unsigned char) - y)) + (x >> y);
+}
+
+unsigned char
+f96 (unsigned char x, long int y)
+{
+ return (x << (__CHAR_BIT__ * sizeof (unsigned char) - y)) + (x >> y);
+}
/* Check rotate pattern detection. */
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
-/* { dg-final { scan-tree-dump-times "r\[<>]\[<>]" 64 "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" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
unsigned int
{
return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) ^ (x >> y);
}
+
+unsigned int
+f65 (unsigned int x, int y)
+{
+ return (x << y) + (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
+}
+
+unsigned int
+f66 (unsigned int x, long int y)
+{
+ return (x << y) + (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) + (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned short int
+f70 (unsigned short int x, long int y)
+{
+ return (x << y) + (x >> ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1)));
+}
+
+unsigned char
+f71 (unsigned char x, int y)
+{
+ return (x << y) + (x >> ((-y) & (__CHAR_BIT__ - 1)));
+}
+
+unsigned char
+f72 (unsigned char x, long int y)
+{
+ return (x << y) + (x >> ((-y) & (__CHAR_BIT__ - 1)));
+}
+
+unsigned int
+f73 (unsigned int x, int y)
+{
+ return (x << y) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1)));
+}
+
+unsigned int
+f74 (unsigned int x, long int y)
+{
+ return (x << y) + (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) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned short int
+f78 (unsigned short int x, long int y)
+{
+ return (x << y) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1)));
+}
+
+unsigned char
+f79 (unsigned char x, int y)
+{
+ return (x << y) + (x >> ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1)));
+}
+
+unsigned char
+f80 (unsigned char x, long int y)
+{
+ return (x << y) + (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);
+}
+
+unsigned int
+f82 (unsigned int x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_INT__ - 1))) + (x >> y);
+}
+
+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);
+}
+
+unsigned short int
+f86 (unsigned short int x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * __SIZEOF_SHORT__ - 1))) + (x >> y);
+}
+
+unsigned char
+f87 (unsigned char x, int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ - 1))) + (x >> y);
+}
+
+unsigned char
+f88 (unsigned char x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ - 1))) + (x >> y);
+}
+
+unsigned int
+f89 (unsigned int x, int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) + (x >> y);
+}
+
+unsigned int
+f90 (unsigned int x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned int) - 1))) + (x >> y);
+}
+
+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);
+}
+
+unsigned short int
+f94 (unsigned short int x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned short) - 1))) + (x >> y);
+}
+
+unsigned char
+f95 (unsigned char x, int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) + (x >> y);
+}
+
+unsigned char
+f96 (unsigned char x, long int y)
+{
+ return (x << ((-y) & (__CHAR_BIT__ * sizeof (unsigned char) - 1))) + (x >> y);
+}
--- /dev/null
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+
+extern
+#ifdef __cplusplus
+"C"
+#endif
+void abort (void);
+
+#if __CHAR_BIT__ * __SIZEOF_LONG_LONG__ == 64
+__attribute__((noinline, noclone))
+unsigned long long
+f1 (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)
+{
+ return (x << y) | (x >> ((-y) & 128));
+}
+#endif
+#endif
+
+int
+main ()
+{
+#if __CHAR_BIT__ * __SIZEOF_LONG_LONG__ == 64
+ if (f1 (0x123456789abcdef0ULL, 0) != 0x123456789abcdef0ULL)
+ abort ();
+#if __CHAR_BIT__ * __SIZEOF_INT128__ == 128
+ if (f2 ((((unsigned __int128) 0x123456789abcdef0ULL) << 64)
+ | 0x0fedcba987654321ULL, 0)
+ != ((((unsigned __int128) 0x123456789abcdef0ULL) << 64)
+ | 0x0fedcba987654321ULL))
+ abort ();
+#endif
+#endif
+ return 0;
+}
(X << (int) Y) OP (X >> (int) (B - Y))
((T) ((T2) X << Y)) OP ((T) ((T2) X >> (B - Y)))
((T) ((T2) X << (int) Y)) OP ((T) ((T2) X >> (int) (B - Y)))
- (X << Y) OP (X >> ((-Y) & (B - 1)))
- (X << (int) Y) OP (X >> (int) ((-Y) & (B - 1)))
- ((T) ((T2) X << Y)) OP ((T) ((T2) X >> ((-Y) & (B - 1))))
- ((T) ((T2) X << (int) Y)) OP ((T) ((T2) X >> (int) ((-Y) & (B - 1))))
+ (X << Y) | (X >> ((-Y) & (B - 1)))
+ (X << (int) Y) | (X >> (int) ((-Y) & (B - 1)))
+ ((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
&& host_integerp (cdef_arg2[i], 0)
&& tree_low_cst (cdef_arg2[i], 0)
== TYPE_PRECISION (rtype) - 1
- && TREE_CODE (cdef_arg1[i]) == SSA_NAME)
+ && TREE_CODE (cdef_arg1[i]) == SSA_NAME
+ && gimple_assign_rhs_code (stmt) == BIT_IOR_EXPR)
{
tree tem;
enum tree_code code;
projects / thirdparty / gcc.git / commitdiff
