(define_operator_list COND_TERNARY
IFN_COND_FMA IFN_COND_FMS IFN_COND_FNMA IFN_COND_FNMS)
-/* As opposed to convert?, this still creates a single pattern, so
- it is not a suitable replacement for convert? in all cases. */
+/* With nop_convert? combine convert? and view_convert? in one pattern
+ plus conditionalize on tree_nop_conversion_p conversions. */
(match (nop_convert @0)
(convert @0)
(if (tree_nop_conversion_p (type, TREE_TYPE (@0)))))
&& known_eq (TYPE_VECTOR_SUBPARTS (type),
TYPE_VECTOR_SUBPARTS (TREE_TYPE (@0)))
&& tree_nop_conversion_p (TREE_TYPE (type), TREE_TYPE (TREE_TYPE (@0))))))
-/* This one has to be last, or it shadows the others. */
-(match (nop_convert @0)
- @0)
/* Transform likes of (char) ABS_EXPR <(int) x> into (char) ABSU_EXPR <x>
ABSU_EXPR returns unsigned absolute value of the operand and the operand
/* Convert - (~A) to A + 1. */
(simplify
- (negate (nop_convert (bit_not @0)))
+ (negate (nop_convert? (bit_not @0)))
(plus (view_convert @0) { build_each_one_cst (type); }))
/* Convert ~ (A - 1) or ~ (A + -1) to -A. */
/* Otherwise prefer ~(X ^ Y) to ~X ^ Y as more canonical. */
(simplify
- (bit_xor:c (nop_convert:s (bit_not:s @0)) @1)
+ (bit_xor:c (nop_convert?:s (bit_not:s @0)) @1)
(if (tree_nop_conversion_p (type, TREE_TYPE (@0)))
(bit_not (bit_xor (view_convert @0) @1))))
/* For equality, this is also true with wrapping overflow. */
(for op (eq ne)
(simplify
- (op:c (nop_convert@3 (plus:c@2 @0 (convert1? @1))) (convert2? @1))
+ (op:c (nop_convert?@3 (plus:c@2 @0 (convert1? @1))) (convert2? @1))
(if (ANY_INTEGRAL_TYPE_P (TREE_TYPE (@0))
&& (TYPE_OVERFLOW_UNDEFINED (TREE_TYPE (@0))
|| TYPE_OVERFLOW_WRAPS (TREE_TYPE (@0)))
&& tree_nop_conversion_p (TREE_TYPE (@3), TREE_TYPE (@1)))
(op @0 { build_zero_cst (TREE_TYPE (@0)); })))
(simplify
- (op:c (nop_convert@3 (pointer_plus@2 (convert1? @0) @1)) (convert2? @0))
+ (op:c (nop_convert?@3 (pointer_plus@2 (convert1? @0) @1)) (convert2? @0))
(if (tree_nop_conversion_p (TREE_TYPE (@2), TREE_TYPE (@0))
&& tree_nop_conversion_p (TREE_TYPE (@3), TREE_TYPE (@0))
&& (CONSTANT_CLASS_P (@1) || (single_use (@2) && single_use (@3))))
|| !HONOR_SIGN_DEPENDENT_ROUNDING (type)))
(convert (negate @1))))
(simplify
- (negate (nop_convert (negate @1)))
+ (negate (nop_convert? (negate @1)))
(if (!TYPE_OVERFLOW_SANITIZED (type)
&& !TYPE_OVERFLOW_SANITIZED (TREE_TYPE (@1)))
(view_convert @1)))
/* A - (A +- B) -> -+ B */
/* A +- (B -+ A) -> +- B */
(simplify
- (minus (nop_convert (plus:c (nop_convert @0) @1)) @0)
+ (minus (nop_convert1? (plus:c (nop_convert2? @0) @1)) @0)
(view_convert @1))
(simplify
- (minus (nop_convert (minus (nop_convert @0) @1)) @0)
+ (minus (nop_convert1? (minus (nop_convert2? @0) @1)) @0)
(if (!ANY_INTEGRAL_TYPE_P (type)
|| TYPE_OVERFLOW_WRAPS (type))
(negate (view_convert @1))
(view_convert (negate @1))))
(simplify
- (plus:c (nop_convert (minus @0 (nop_convert @1))) @1)
+ (plus:c (nop_convert1? (minus @0 (nop_convert2? @1))) @1)
(view_convert @0))
(simplify
- (minus @0 (nop_convert (plus:c (nop_convert @0) @1)))
+ (minus @0 (nop_convert1? (plus:c (nop_convert2? @0) @1)))
(if (!ANY_INTEGRAL_TYPE_P (type)
|| TYPE_OVERFLOW_WRAPS (type))
(negate (view_convert @1))
(view_convert (negate @1))))
(simplify
- (minus @0 (nop_convert (minus (nop_convert @0) @1)))
+ (minus @0 (nop_convert1? (minus (nop_convert2? @0) @1)))
(view_convert @1))
/* (A +- B) + (C - A) -> C +- B */
/* (A + B) - (A - C) -> B + C */
(for inner_op (plus minus)
neg_inner_op (minus plus)
(simplify
- (outer_op (nop_convert (inner_op @0 CONSTANT_CLASS_P@1))
+ (outer_op (nop_convert? (inner_op @0 CONSTANT_CLASS_P@1))
CONSTANT_CLASS_P@2)
/* If one of the types wraps, use that one. */
(if (!ANY_INTEGRAL_TYPE_P (type) || TYPE_OVERFLOW_WRAPS (type))
/* (CST1 - A) +- CST2 -> CST3 - A */
(for outer_op (plus minus)
(simplify
- (outer_op (nop_convert (minus CONSTANT_CLASS_P@1 @0)) CONSTANT_CLASS_P@2)
+ (outer_op (nop_convert? (minus CONSTANT_CLASS_P@1 @0)) CONSTANT_CLASS_P@2)
/* If one of the types wraps, use that one. */
(if (!ANY_INTEGRAL_TYPE_P (type) || TYPE_OVERFLOW_WRAPS (type))
/* If all 3 captures are CONSTANT_CLASS_P, punt, as we might recurse
Use view_convert because it is safe for vectors and equivalent for
scalars. */
(simplify
- (minus CONSTANT_CLASS_P@1 (nop_convert (minus CONSTANT_CLASS_P@2 @0)))
+ (minus CONSTANT_CLASS_P@1 (nop_convert? (minus CONSTANT_CLASS_P@2 @0)))
/* If one of the types wraps, use that one. */
(if (!ANY_INTEGRAL_TYPE_P (type) || TYPE_OVERFLOW_WRAPS (type))
/* If all 3 captures are CONSTANT_CLASS_P, punt, as we might recurse