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authorrsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4>2014-04-23 14:46:35 +0000
committerrsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4>2014-04-23 14:46:35 +0000
commit885a26948e348571c7236f6356b7757b730e1b14 (patch)
tree245545697f281f0a40d4eb7de7e709711d91bb19 /gcc/expr.c
parent265815a249c2e0481564e204fd90270e1fbea8fd (diff)
downloadgcc-885a26948e348571c7236f6356b7757b730e1b14.tar.gz
Use LOG2_BITS_PER_UNIT.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/wide-int@209700 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/expr.c')
-rw-r--r--gcc/expr.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/gcc/expr.c b/gcc/expr.c
index d71622b3e99..1ad602707cd 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -6801,8 +6801,7 @@ get_inner_reference (tree exp, HOST_WIDE_INT *pbitsize,
if (!integer_zerop (off))
{
offset_int boff, coff = mem_ref_offset (exp);
- boff = wi::lshift (coff, (BITS_PER_UNIT == 8
- ? 3 : exact_log2 (BITS_PER_UNIT)));
+ boff = wi::lshift (coff, LOG2_BITS_PER_UNIT);
bit_offset += boff;
}
exp = TREE_OPERAND (TREE_OPERAND (exp, 0), 0);
@@ -6828,8 +6827,7 @@ get_inner_reference (tree exp, HOST_WIDE_INT *pbitsize,
{
offset_int tem = wi::sext (wi::to_offset (offset),
TYPE_PRECISION (sizetype));
- tem = wi::lshift (tem, (BITS_PER_UNIT == 8
- ? 3 : exact_log2 (BITS_PER_UNIT)));
+ tem = wi::lshift (tem, LOG2_BITS_PER_UNIT);
tem += bit_offset;
if (wi::fits_shwi_p (tem))
{
@@ -6844,16 +6842,12 @@ get_inner_reference (tree exp, HOST_WIDE_INT *pbitsize,
/* Avoid returning a negative bitpos as this may wreak havoc later. */
if (wi::neg_p (bit_offset))
{
- offset_int mask
- = wi::mask <offset_int> (BITS_PER_UNIT == 8
- ? 3 : exact_log2 (BITS_PER_UNIT),
- false);
+ offset_int mask = wi::mask <offset_int> (LOG2_BITS_PER_UNIT, false);
offset_int tem = bit_offset.and_not (mask);
/* TEM is the bitpos rounded to BITS_PER_UNIT towards -Inf.
Subtract it to BIT_OFFSET and add it (scaled) to OFFSET. */
bit_offset -= tem;
- tem = wi::arshift (tem, (BITS_PER_UNIT == 8
- ? 3 : exact_log2 (BITS_PER_UNIT)));
+ tem = wi::arshift (tem, LOG2_BITS_PER_UNIT);
offset = size_binop (PLUS_EXPR, offset,
wide_int_to_tree (sizetype, tem));
}