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-rw-r--r--gcc/expmed.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c
index b89a5f85213..4341b993031 100644
--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -2835,7 +2835,7 @@ expand_divmod (rem_flag, code, mode, op0, op1, target, unsignedp)
{
case TRUNC_MOD_EXPR:
case TRUNC_DIV_EXPR:
- if (op1_is_constant && HOST_BITS_PER_WIDE_INT >= size)
+ if (op1_is_constant)
{
if (unsignedp)
{
@@ -2870,7 +2870,7 @@ expand_divmod (rem_flag, code, mode, op0, op1, target, unsignedp)
if (quotient == 0)
goto fail1;
}
- else
+ else if (size <= HOST_BITS_PER_WIDE_INT)
{
/* Find a suitable multiplier and right shift count instead
of multiplying with D. */
@@ -2936,6 +2936,8 @@ expand_divmod (rem_flag, code, mode, op0, op1, target, unsignedp)
tquotient, 1);
}
}
+ else /* Too wide mode to use tricky code */
+ break;
insn = get_last_insn ();
if (insn != last
@@ -3029,7 +3031,7 @@ expand_divmod (rem_flag, code, mode, op0, op1, target, unsignedp)
quotient, quotient, 0);
}
}
- else
+ else if (size <= HOST_BITS_PER_WIDE_INT)
{
choose_multiplier (abs_d, size, size - 1,
&ml, &post_shift, &lgup);
@@ -3081,6 +3083,8 @@ expand_divmod (rem_flag, code, mode, op0, op1, target, unsignedp)
tquotient);
}
}
+ else /* Too wide mode to use tricky code */
+ break;
insn = get_last_insn ();
if (insn != last