+2015-05-18 Alex Velenko <Alex.Velenko@arm.com>
+
+ * config/arm/arm.md (andsi_not_shiftsi_si_scc): New pattern.
+ (andsi_not_shiftsi_si_scc_no_reuse): New pattern.
+
2015-05-18 Robert Suchanek <robert.suchanek@imgtec.com>
* config/mips/mips.c (micromips_globals): New variable.
(const_string "logic_shift_reg")))]
)
+;; Shifted bics pattern used to set up CC status register and not reusing
+;; bics output. Pattern restricts Thumb2 shift operand as bics for Thumb2
+;; does not support shift by register.
+(define_insn "andsi_not_shiftsi_si_scc_no_reuse"
+ [(set (reg:CC_NOOV CC_REGNUM)
+ (compare:CC_NOOV
+ (and:SI (not:SI (match_operator:SI 0 "shift_operator"
+ [(match_operand:SI 1 "s_register_operand" "r")
+ (match_operand:SI 2 "arm_rhs_operand" "rM")]))
+ (match_operand:SI 3 "s_register_operand" "r"))
+ (const_int 0)))
+ (clobber (match_scratch:SI 4 "=r"))]
+ "TARGET_ARM || (TARGET_THUMB2 && CONST_INT_P (operands[2]))"
+ "bic%.%?\\t%4, %3, %1%S0"
+ [(set_attr "predicable" "yes")
+ (set_attr "predicable_short_it" "no")
+ (set_attr "conds" "set")
+ (set_attr "shift" "1")
+ (set (attr "type") (if_then_else (match_operand 2 "const_int_operand" "")
+ (const_string "logic_shift_imm")
+ (const_string "logic_shift_reg")))]
+)
+
+;; Same as andsi_not_shiftsi_si_scc_no_reuse, but the bics result is also
+;; getting reused later.
+(define_insn "andsi_not_shiftsi_si_scc"
+ [(parallel [(set (reg:CC_NOOV CC_REGNUM)
+ (compare:CC_NOOV
+ (and:SI (not:SI (match_operator:SI 0 "shift_operator"
+ [(match_operand:SI 1 "s_register_operand" "r")
+ (match_operand:SI 2 "arm_rhs_operand" "rM")]))
+ (match_operand:SI 3 "s_register_operand" "r"))
+ (const_int 0)))
+ (set (match_operand:SI 4 "s_register_operand" "=r")
+ (and:SI (not:SI (match_op_dup 0
+ [(match_dup 1)
+ (match_dup 2)]))
+ (match_dup 3)))])]
+ "TARGET_ARM || (TARGET_THUMB2 && CONST_INT_P (operands[2]))"
+ "bic%.%?\\t%4, %3, %1%S0"
+ [(set_attr "predicable" "yes")
+ (set_attr "predicable_short_it" "no")
+ (set_attr "conds" "set")
+ (set_attr "shift" "1")
+ (set (attr "type") (if_then_else (match_operand 2 "const_int_operand" "")
+ (const_string "logic_shift_imm")
+ (const_string "logic_shift_reg")))]
+)
+
(define_insn "*andsi_notsi_si_compare0"
[(set (reg:CC_NOOV CC_REGNUM)
(compare:CC_NOOV
+2015-05-18 Alex Velenko <Alex.Velenko@arm.com>
+
+ * gcc.target/arm/bics_1.c : New testcase.
+ * gcc.target/arm/bics_2.c : New testcase.
+ * gcc.target/arm/bics_3.c : New testcase.
+ * gcc.target/arm/bics_4.c : New testcase.
+
2015-05-18 Robert Suchanek <robert.suchanek@imgtec.com>
* gcc.target/mips/umips-attr.c: New test.
--- /dev/null
+/* { dg-do run } */
+/* { dg-options "-O2 --save-temps -fno-inline" } */
+/* { dg-require-effective-target arm32 } */
+
+extern void abort (void);
+
+int
+bics_si_test1 (int a, int b, int c)
+{
+ int d = a & ~b;
+
+ /* { dg-final { scan-assembler-times "bics\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+" 2 } } */
+ if (d == 0)
+ return a + c;
+ else
+ return b + d + c;
+}
+
+int
+bics_si_test2 (int a, int b, int c)
+{
+ int d = a & ~(b << 3);
+
+ /* { dg-final { scan-assembler-times "bics\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+, .sl \#3" 1 } } */
+ if (d == 0)
+ return a + c;
+ else
+ return b + d + c;
+}
+
+int
+main ()
+{
+ int x;
+
+ x = bics_si_test1 (29, ~4, 5);
+ if (x != ((29 & 4) + ~4 + 5))
+ abort ();
+
+ x = bics_si_test1 (5, ~2, 20);
+ if (x != 25)
+ abort ();
+
+ x = bics_si_test2 (35, ~4, 5);
+ if (x != ((35 & ~(~4 << 3)) + ~4 + 5))
+ abort ();
+
+ x = bics_si_test2 (96, ~2, 20);
+ if (x != 116)
+ abort ();
+
+ return 0;
+}
+/* { dg-final { cleanup-saved-temps } } */
--- /dev/null
+/* { dg-do run } */
+/* { dg-options "-O2 --save-temps -fno-inline" } */
+/* { dg-require-effective-target arm32 } */
+
+extern void abort (void);
+
+int
+bics_si_test1 (int a, int b, int c)
+{
+ int d = a & ~b;
+
+ /* { dg-final { scan-assembler-not "bics\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+" } } */
+ /* { dg-final { scan-assembler-times "bic\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+" 2 } } */
+ if (d <= 0)
+ return a + c;
+ else
+ return b + d + c;
+}
+
+int
+bics_si_test2 (int a, int b, int c)
+{
+ int d = a & ~(b << 3);
+
+ /* { dg-final { scan-assembler-not "bics\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+, .sl \#3" } } */
+ /* { dg-final { scan-assembler "bic\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+, .sl \#3" } } */
+ if (d <= 0)
+ return a + c;
+ else
+ return b + d + c;
+}
+
+int
+main ()
+{
+ int x;
+
+ x = bics_si_test1 (29, ~4, 5);
+ if (x != ((29 & 4) + ~4 + 5))
+ abort ();
+
+ x = bics_si_test1 (5, ~2, 20);
+ if (x != 25)
+ abort ();
+
+ x = bics_si_test2 (35, ~4, 5);
+ if (x != ((35 & ~(~4 << 3)) + ~4 + 5))
+ abort ();
+
+ x = bics_si_test2 (96, ~2, 20);
+ if (x != 116)
+ abort ();
+
+ return 0;
+}
+
+/* { dg-final { cleanup-saved-temps } } */
--- /dev/null
+/* { dg-do run } */
+/* { dg-options "-O2 --save-temps -fno-inline" } */
+/* { dg-require-effective-target arm32 } */
+
+extern void abort (void);
+
+int
+bics_si_test (int a, int b)
+{
+ if (a & ~b)
+ return 1;
+ else
+ return 0;
+}
+
+int
+bics_si_test2 (int a, int b)
+{
+ if (a & ~ (b << 2))
+ return 1;
+ else
+ return 0;
+}
+
+int
+main (void)
+{
+ int a = 5;
+ int b = 5;
+ int c = 20;
+ if (bics_si_test (a, b))
+ abort ();
+ if (bics_si_test2 (c, b))
+ abort ();
+ return 0;
+}
+
+/* { dg-final { scan-assembler-times "bics\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+" 2 } } */
+/* { dg-final { scan-assembler-times "bics\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+, .sl #2" 1 } } */
+
+/* { dg-final { cleanup-saved-temps } } */
--- /dev/null
+/* { dg-do run } */
+/* { dg-options "-O2 --save-temps -fno-inline" } */
+/* { dg-require-effective-target arm32 } */
+
+extern void abort (void);
+
+int
+bics_si_test1 (int a, int b, int c)
+{
+ if ((a & b) == a)
+ return a;
+ else
+ return c;
+}
+
+int
+bics_si_test2 (int a, int b, int c)
+{
+ if ((a & b) == b)
+ return b;
+ else
+ return c;
+}
+
+int
+main ()
+{
+ int x;
+ x = bics_si_test1 (0xf00d, 0xf11f, 0);
+ if (x != 0xf00d)
+ abort ();
+
+ x = bics_si_test1 (0xf11f, 0xf00d, 0);
+ if (x != 0)
+ abort ();
+
+ x = bics_si_test2 (0xf00d, 0xf11f, 0);
+ if (x != 0)
+ abort ();
+
+ x = bics_si_test2 (0xf11f, 0xf00d, 0);
+ if (x != 0xf00d)
+ abort ();
+
+ return 0;
+}
+
+/* { dg-final { scan-assembler-times "bics\tr\[0-9\]+, r\[0-9\]+, r\[0-9\]+" 2 } } */
+/* { dg-final { cleanup-saved-temps } } */
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