diff options
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/builtins.c | 24 |
2 files changed, 26 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 16caced..25a14cb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + PR ada/19382 + * builtins.c (fold_builtin_memcmp): When constructing the pointer + type used to access data in the inlined length == 1 case, use + build_pointer_type_for_mode with CAN_ALIAS_ALL set to true. + (fold_builtin_strcmp, fold_builtin_strncmp): Likewise. + 2005-10-04 Uros Bizjak <uros@kss-loka.si> * config/i386/i386.h (TARGET_FISTTP): Enable also for diff --git a/gcc/builtins.c b/gcc/builtins.c index 12ae9d9..a4c3bfc 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -8089,7 +8089,9 @@ fold_builtin_memcmp (tree arglist) if (host_integerp (len, 1) && tree_low_cst (len, 1) == 1) { tree cst_uchar_node = build_type_variant (unsigned_char_type_node, 1, 0); - tree cst_uchar_ptr_node = build_pointer_type (cst_uchar_node); + tree cst_uchar_ptr_node + = build_pointer_type_for_mode (cst_uchar_node, ptr_mode, true); + tree ind1 = fold_convert (integer_type_node, build1 (INDIRECT_REF, cst_uchar_node, fold_convert (cst_uchar_ptr_node, @@ -8141,7 +8143,9 @@ fold_builtin_strcmp (tree arglist) if (p2 && *p2 == '\0') { tree cst_uchar_node = build_type_variant (unsigned_char_type_node, 1, 0); - tree cst_uchar_ptr_node = build_pointer_type (cst_uchar_node); + tree cst_uchar_ptr_node + = build_pointer_type_for_mode (cst_uchar_node, ptr_mode, true); + return fold_convert (integer_type_node, build1 (INDIRECT_REF, cst_uchar_node, fold_convert (cst_uchar_ptr_node, @@ -8152,7 +8156,9 @@ fold_builtin_strcmp (tree arglist) if (p1 && *p1 == '\0') { tree cst_uchar_node = build_type_variant (unsigned_char_type_node, 1, 0); - tree cst_uchar_ptr_node = build_pointer_type (cst_uchar_node); + tree cst_uchar_ptr_node + = build_pointer_type_for_mode (cst_uchar_node, ptr_mode, true); + tree temp = fold_convert (integer_type_node, build1 (INDIRECT_REF, cst_uchar_node, fold_convert (cst_uchar_ptr_node, @@ -8210,7 +8216,9 @@ fold_builtin_strncmp (tree arglist) && tree_int_cst_sgn (len) == 1) { tree cst_uchar_node = build_type_variant (unsigned_char_type_node, 1, 0); - tree cst_uchar_ptr_node = build_pointer_type (cst_uchar_node); + tree cst_uchar_ptr_node + = build_pointer_type_for_mode (cst_uchar_node, ptr_mode, true); + return fold_convert (integer_type_node, build1 (INDIRECT_REF, cst_uchar_node, fold_convert (cst_uchar_ptr_node, @@ -8224,7 +8232,9 @@ fold_builtin_strncmp (tree arglist) && tree_int_cst_sgn (len) == 1) { tree cst_uchar_node = build_type_variant (unsigned_char_type_node, 1, 0); - tree cst_uchar_ptr_node = build_pointer_type (cst_uchar_node); + tree cst_uchar_ptr_node + = build_pointer_type_for_mode (cst_uchar_node, ptr_mode, true); + tree temp = fold_convert (integer_type_node, build1 (INDIRECT_REF, cst_uchar_node, fold_convert (cst_uchar_ptr_node, @@ -8237,7 +8247,9 @@ fold_builtin_strncmp (tree arglist) if (host_integerp (len, 1) && tree_low_cst (len, 1) == 1) { tree cst_uchar_node = build_type_variant (unsigned_char_type_node, 1, 0); - tree cst_uchar_ptr_node = build_pointer_type (cst_uchar_node); + tree cst_uchar_ptr_node + = build_pointer_type_for_mode (cst_uchar_node, ptr_mode, true); + tree ind1 = fold_convert (integer_type_node, build1 (INDIRECT_REF, cst_uchar_node, fold_convert (cst_uchar_ptr_node, |