From 0c23768840a3f167b1bd5a7659c640fb0bb59033 Mon Sep 17 00:00:00 2001 From: Lars Brinkhoff Date: Wed, 25 Jul 2001 01:19:23 +0000 Subject: [PATCH] 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 --- gcc/ChangeLog | 6 ++++++ gcc/builtins.c | 4 ++-- gcc/stor-layout.c | 3 ++- 3 files changed, 10 insertions(+), 3 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 819ee9b8a78..e7b06d2a3ff 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2001-07-24 Lars Brinkhoff + + * 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 * simplify-rtx.c (avoid_constant_pool_reference): Coerce diff --git a/gcc/builtins.c b/gcc/builtins.c index 8a44a7c6798..c2ce7c8d49b 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 3e7fb19073d..2ac72e38f25 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; -- 2.30.2