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Diffstat (limited to 'gcc/tree-ssa-alias.c')
-rw-r--r--gcc/tree-ssa-alias.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c
index 4ffefaf3f4f..58920e0d5b4 100644
--- a/gcc/tree-ssa-alias.c
+++ b/gcc/tree-ssa-alias.c
@@ -1101,7 +1101,7 @@ indirect_ref_may_alias_decl_p (tree ref1 ATTRIBUTE_UNUSED, tree base1,
/* The offset embedded in MEM_REFs can be negative. Bias them
so that the resulting offset adjustment is positive. */
offset_int moff = mem_ref_offset (base1);
- moff = wi::lshift (moff, LOG2_BITS_PER_UNIT);
+ moff <<= LOG2_BITS_PER_UNIT;
if (wi::neg_p (moff))
offset2p += (-moff).to_short_addr ();
else
@@ -1173,7 +1173,7 @@ indirect_ref_may_alias_decl_p (tree ref1 ATTRIBUTE_UNUSED, tree base1,
|| TREE_CODE (dbase2) == TARGET_MEM_REF)
{
offset_int moff = mem_ref_offset (dbase2);
- moff = wi::lshift (moff, LOG2_BITS_PER_UNIT);
+ moff <<= LOG2_BITS_PER_UNIT;
if (wi::neg_p (moff))
doffset1 -= (-moff).to_short_addr ();
else
@@ -1271,13 +1271,13 @@ indirect_refs_may_alias_p (tree ref1 ATTRIBUTE_UNUSED, tree base1,
/* The offset embedded in MEM_REFs can be negative. Bias them
so that the resulting offset adjustment is positive. */
moff = mem_ref_offset (base1);
- moff = wi::lshift (moff, LOG2_BITS_PER_UNIT);
+ moff <<= LOG2_BITS_PER_UNIT;
if (wi::neg_p (moff))
offset2 += (-moff).to_short_addr ();
else
offset1 += moff.to_shwi ();
moff = mem_ref_offset (base2);
- moff = wi::lshift (moff, LOG2_BITS_PER_UNIT);
+ moff <<= LOG2_BITS_PER_UNIT;
if (wi::neg_p (moff))
offset1 += (-moff).to_short_addr ();
else
@@ -2358,10 +2358,10 @@ stmt_kills_ref_p (gimple *stmt, ao_ref *ref)
TREE_OPERAND (ref->base, 1)))
{
offset_int off1 = mem_ref_offset (base);
- off1 = wi::lshift (off1, LOG2_BITS_PER_UNIT);
+ off1 <<= LOG2_BITS_PER_UNIT;
off1 += offset;
offset_int off2 = mem_ref_offset (ref->base);
- off2 = wi::lshift (off2, LOG2_BITS_PER_UNIT);
+ off2 <<= LOG2_BITS_PER_UNIT;
off2 += ref_offset;
if (wi::fits_shwi_p (off1) && wi::fits_shwi_p (off2))
{
@@ -2432,18 +2432,15 @@ stmt_kills_ref_p (gimple *stmt, ao_ref *ref)
if (TREE_CODE (rbase) != MEM_REF)
return false;
// Compare pointers.
- offset += wi::lshift (mem_ref_offset (base),
- LOG2_BITS_PER_UNIT);
- roffset += wi::lshift (mem_ref_offset (rbase),
- LOG2_BITS_PER_UNIT);
+ offset += mem_ref_offset (base) << LOG2_BITS_PER_UNIT;
+ roffset += mem_ref_offset (rbase) << LOG2_BITS_PER_UNIT;
base = TREE_OPERAND (base, 0);
rbase = TREE_OPERAND (rbase, 0);
}
if (base == rbase
&& offset <= roffset
&& (roffset + ref->max_size
- <= offset + wi::lshift (wi::to_offset (len),
- LOG2_BITS_PER_UNIT)))
+ <= offset + (wi::to_offset (len) << LOG2_BITS_PER_UNIT)))
return true;
break;
}