diff options
| -rw-r--r-- | gcc/gimple-match-exports.cc | 25 | ||||
| -rw-r--r-- | gcc/match.pd | 9 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/bitint-43.c | 19 |
3 files changed, 51 insertions, 2 deletions
diff --git a/gcc/gimple-match-exports.cc b/gcc/gimple-match-exports.cc index d6dac08..3a054b6 100644 --- a/gcc/gimple-match-exports.cc +++ b/gcc/gimple-match-exports.cc @@ -236,7 +236,30 @@ build_call_internal (internal_fn fn, gimple_match_op *res_op) tree_pair types = direct_internal_fn_types (fn, res_op->type, res_op->ops); if (!direct_internal_fn_supported_p (fn, types, OPTIMIZE_FOR_BOTH)) - return NULL; + { + switch (fn) + { + case IFN_CLZ: + case IFN_CTZ: + case IFN_CLRSB: + case IFN_FFS: + case IFN_POPCOUNT: + case IFN_PARITY: + /* For these 6 builtins large/huge _BitInt operand is ok + before bitint lowering pass. */ + if (res_op->num_ops >= 1 + && TREE_CODE (TREE_TYPE (res_op->ops[0])) == BITINT_TYPE + && (TYPE_PRECISION (TREE_TYPE (res_op->ops[0])) + > MAX_FIXED_MODE_SIZE) + && cfun + && (cfun->curr_properties & PROP_gimple_lbitint) == 0) + break; + return NULL; + + default: + return NULL; + } + } } return gimple_build_call_internal (fn, res_op->num_ops, res_op->op_or_null (0), diff --git a/gcc/match.pd b/gcc/match.pd index 0382fd5..0170591 100644 --- a/gcc/match.pd +++ b/gcc/match.pd @@ -8882,7 +8882,14 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT) /* parity(X)^parity(Y) is parity(X^Y). */ (simplify (bit_xor (PARITY:s @0) (PARITY:s @1)) - (PARITY (bit_xor @0 @1))) + (if (types_match (TREE_TYPE (@0), TREE_TYPE (@1))) + (PARITY (bit_xor @0 @1)) + (if (INTEGRAL_TYPE_P (TREE_TYPE (@0)) + && INTEGRAL_TYPE_P (TREE_TYPE (@1))) + (with { tree utype = TREE_TYPE (@0); + if (TYPE_PRECISION (utype) < TYPE_PRECISION (TREE_TYPE (@1))) + utype = TREE_TYPE (@1); } + (PARITY (bit_xor (convert:utype @0) (convert:utype @1))))))) #if GIMPLE /* parity(zext(X)) == parity(X). */ diff --git a/gcc/testsuite/gcc.dg/bitint-43.c b/gcc/testsuite/gcc.dg/bitint-43.c new file mode 100644 index 0000000..3a506b3 --- /dev/null +++ b/gcc/testsuite/gcc.dg/bitint-43.c @@ -0,0 +1,19 @@ +/* PR tree-optimization/112719 */ +/* { dg-do compile { target bitint } } */ +/* { dg-options "-O2" } */ + +#if __BITINT_MAXWIDTH__ >= 252 +int +foo (unsigned _BitInt(239) x, unsigned _BitInt(252) y) +{ + x &= 0x2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaauwb; + y &= 0x555555555555555555555555555555555555555555555555555555555555555uwb; + return __builtin_popcountg (x) + __builtin_popcountg (y); +} + +int +bar (unsigned _BitInt(239) x, unsigned _BitInt(252) y) +{ + return __builtin_parityg (x) ^ __builtin_parityg (y); +} +#endif |