diff --git a/gcc/testsuite/gcc.dg/vect/pr107326.c b/gcc/testsuite/gcc.dg/vect/pr107326.c new file mode 100644 index 0000000000000000000000000000000000000000..333a515e7410a5b257a9f225b56b14b619af3118 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/pr107326.c @@ -0,0 +1,24 @@ +/* PR107326 */ +/* { dg-do compile } */ +struct Gsymtab { + unsigned int : 8; + unsigned int visited_somewhere : 1; +}; + +extern struct Gsymtab glob_symtab[]; + +int +visit_children (int i) +{ + int numvisited = 0; + + while (i < 1) + { + if (glob_symtab[i].visited_somewhere) + ++numvisited; + + ++i; + } + + return numvisited; +} diff --git a/gcc/testsuite/gcc.dg/vect/vect-bitfield-read-7.c b/gcc/testsuite/gcc.dg/vect/vect-bitfield-read-7.c new file mode 100644 index 0000000000000000000000000000000000000000..3b505db2bd3eb6938d2f3b6f7426765333c271a4 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/vect-bitfield-read-7.c @@ -0,0 +1,43 @@ +/* { dg-require-effective-target vect_int } */ + +#include +#include "tree-vect.h" + +extern void abort(void); + +struct s { + unsigned i : 8; + char a : 4; +}; + +#define N 32 +#define ELT0 {0xFUL, 0} +#define ELT1 {0xFUL, 1} +#define ELT2 {0xFUL, 2} +#define ELT3 {0xFUL, 3} +#define RES 48 +struct s A[N] + = { ELT0, ELT1, ELT2, ELT3, ELT0, ELT1, ELT2, ELT3, + ELT0, ELT1, ELT2, ELT3, ELT0, ELT1, ELT2, ELT3, + ELT0, ELT1, ELT2, ELT3, ELT0, ELT1, ELT2, ELT3, + ELT0, ELT1, ELT2, ELT3, ELT0, ELT1, ELT2, ELT3}; + +int __attribute__ ((noipa)) +f(struct s *ptr, unsigned n) { + int res = 0; + for (int i = 0; i < n; ++i) + res += ptr[i].a; + return res; +} + +int main (void) +{ + check_vect (); + + if (f(&A[0], N) != RES) + abort (); + + return 0; +} + +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ diff --git a/gcc/tree-vect-patterns.cc b/gcc/tree-vect-patterns.cc index 6afd57a50c4bcb5aec7ccca6e5dc069caa4a5a30..24673f8d4d92e34706fa6c4ed2cf2ed85d6bb517 100644 --- a/gcc/tree-vect-patterns.cc +++ b/gcc/tree-vect-patterns.cc @@ -1922,7 +1922,8 @@ vect_recog_bitfield_ref_pattern (vec_info *vinfo, stmt_vec_info stmt_info, tree ret = gimple_assign_lhs (first_stmt); tree ret_type = TREE_TYPE (ret); bool shift_first = true; - tree vectype = get_vectype_for_scalar_type (vinfo, TREE_TYPE (container)); + tree container_type = TREE_TYPE (container); + tree vectype = get_vectype_for_scalar_type (vinfo, container_type); /* We move the conversion earlier if the loaded type is smaller than the return type to enable the use of widening loads. */ @@ -1933,15 +1934,15 @@ vect_recog_bitfield_ref_pattern (vec_info *vinfo, stmt_vec_info stmt_info, = gimple_build_assign (vect_recog_temp_ssa_var (ret_type), NOP_EXPR, container); container = gimple_get_lhs (pattern_stmt); - append_pattern_def_seq (vinfo, stmt_info, pattern_stmt); + container_type = TREE_TYPE (container); + vectype = get_vectype_for_scalar_type (vinfo, container_type); + append_pattern_def_seq (vinfo, stmt_info, pattern_stmt, vectype); } else if (!useless_type_conversion_p (TREE_TYPE (container), ret_type)) /* If we are doing the conversion last then also delay the shift as we may be able to combine the shift and conversion in certain cases. */ shift_first = false; - tree container_type = TREE_TYPE (container); - /* If the only use of the result of this BIT_FIELD_REF + CONVERT is a PLUS_EXPR then do the shift last as some targets can combine the shift and add into a single instruction. */