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| author | uweigand <uweigand@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-10-04 16:14:52 +0000 |
|---|---|---|
| committer | uweigand <uweigand@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-10-04 16:14:52 +0000 |
| commit | 4f1b71c0be664fd5f019779170a28a5f8b3b5dfa (patch) | |
| tree | 12da54299f47090404a0a1212ec465c542c8ee64 /gcc/builtins.c | |
| parent | f27642b4e24ba896205504a6968166c3d860e361 (diff) | |
| download | ppe42-gcc-4f1b71c0be664fd5f019779170a28a5f8b3b5dfa.tar.gz ppe42-gcc-4f1b71c0be664fd5f019779170a28a5f8b3b5dfa.zip | |
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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104948 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 12ae9d9f549..a4c3bfc1bc6 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, |
