diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/stor-layout.c | 6 |
2 files changed, 10 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index da6e982..b1d0b99 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2011-08-01 Richard Guenther <rguenther@suse.de> + + * stor-layout.c (initialize_sizetypes): Properly sign-extend + bitsiztype TYPE_MAX_VALUE. + 2011-08-01 Julian Brown <julian@codesourcery.com> * optabs.c (prepare_cmp_insn): Use correct biasing for fixed-point diff --git a/gcc/stor-layout.c b/gcc/stor-layout.c index 8a5c48d..e488741 100644 --- a/gcc/stor-layout.c +++ b/gcc/stor-layout.c @@ -2247,7 +2247,11 @@ initialize_sizetypes (void) = size_int (GET_MODE_SIZE (TYPE_MODE (bitsizetype))); set_min_and_max_values_for_integral_type (bitsizetype, bprecision, /*is_unsigned=*/true); - /* ??? TYPE_MAX_VALUE is not properly sign-extended. */ + /* bitsizetype is unsigned but we need to fix TYPE_MAX_VALUE so that it is + sign-extended in a way consistent with force_fit_type. */ + TYPE_MAX_VALUE (bitsizetype) + = double_int_to_tree (bitsizetype, + tree_to_double_int (TYPE_MAX_VALUE (bitsizetype))); /* Create the signed variants of *sizetype. */ ssizetype = make_signed_type (TYPE_PRECISION (sizetype)); |