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| author | Lars Brinkhoff <lars@nocrew.org> | 2001-07-25 01:19:23 +0000 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2001-07-24 18:19:23 -0700 |
| commit | 0c23768840a3f167b1bd5a7659c640fb0bb59033 (patch) | |
| tree | f1df0ac597914393101a30e742c277cec9f14f44 | |
| parent | 5a2aa3bd76f62ded8be6d373beb0987181b15a7d (diff) | |
| download | gcc-0c23768840a3f167b1bd5a7659c640fb0bb59033.zip gcc-0c23768840a3f167b1bd5a7659c640fb0bb59033.tar.gz gcc-0c23768840a3f167b1bd5a7659c640fb0bb59033.tar.bz2 | |
stor-layout.c (get_mode_alignment): make it work when BITS_PER_UNIT is not a power of two.
* stor-layout.c (get_mode_alignment): make it work when
BITS_PER_UNIT is not a power of two.
* builtins.c (get_pointer_alignment): Likewise.
From-SVN: r44322
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/builtins.c | 4 | ||||
| -rw-r--r-- | gcc/stor-layout.c | 3 |
3 files changed, 10 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 819ee9b..e7b06d2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2001-07-24 Lars Brinkhoff <lars@nocrew.org> + + * stor-layout.c (get_mode_alignment): make it work when + BITS_PER_UNIT is not a power of two. + * builtins.c (get_pointer_alignment): Likewise. + 2001-07-24 Richard Henderson <rth@redhat.com> * simplify-rtx.c (avoid_constant_pool_reference): Coerce diff --git a/gcc/builtins.c b/gcc/builtins.c index 8a44a7c..c2ce7c8 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -186,8 +186,8 @@ get_pointer_alignment (exp, max_align) if (! host_integerp (TREE_OPERAND (exp, 1), 1)) return align; - while (((tree_low_cst (TREE_OPERAND (exp, 1), 1) * BITS_PER_UNIT) - & (max_align - 1)) + while (((tree_low_cst (TREE_OPERAND (exp, 1), 1)) + & (max_align / BITS_PER_UNIT - 1)) != 0) max_align >>= 1; diff --git a/gcc/stor-layout.c b/gcc/stor-layout.c index 3e7fb19..2ac72e3 100644 --- a/gcc/stor-layout.c +++ b/gcc/stor-layout.c @@ -1866,10 +1866,11 @@ unsigned int get_mode_alignment (mode) enum machine_mode mode; { - unsigned int alignment = GET_MODE_UNIT_SIZE (mode) * BITS_PER_UNIT; + unsigned int alignment = GET_MODE_UNIT_SIZE (mode); /* Extract the LSB of the size. */ alignment = alignment & -alignment; + alignment *= BITS_PER_UNIT; alignment = MIN (BIGGEST_ALIGNMENT, MAX (1, alignment)); return alignment; |