diff options
Diffstat (limited to 'gcc/explow.c')
| -rw-r--r-- | gcc/explow.c | 35 |
1 files changed, 3 insertions, 32 deletions
diff --git a/gcc/explow.c b/gcc/explow.c index bc4f805323c..5f98ba0d775 100644 --- a/gcc/explow.c +++ b/gcc/explow.c @@ -96,38 +96,9 @@ plus_constant (enum machine_mode mode, rtx x, HOST_WIDE_INT c) switch (code) { - case CONST_INT: - if (GET_MODE_BITSIZE (mode) > HOST_BITS_PER_WIDE_INT) - { - double_int di_x = double_int::from_shwi (INTVAL (x)); - double_int di_c = double_int::from_shwi (c); - - bool overflow; - double_int v = di_x.add_with_sign (di_c, false, &overflow); - if (overflow) - gcc_unreachable (); - - return immed_double_int_const (v, mode); - } - - return gen_int_mode (INTVAL (x) + c, mode); - - case CONST_DOUBLE: - { - double_int di_x = double_int::from_pair (CONST_DOUBLE_HIGH (x), - CONST_DOUBLE_LOW (x)); - double_int di_c = double_int::from_shwi (c); - - bool overflow; - double_int v = di_x.add_with_sign (di_c, false, &overflow); - if (overflow) - /* Sorry, we have no way to represent overflows this wide. - To fix, add constant support wider than CONST_DOUBLE. */ - gcc_assert (GET_MODE_BITSIZE (mode) <= HOST_BITS_PER_DOUBLE_INT); - - return immed_double_int_const (v, mode); - } - + CASE_CONST_SCALAR_INT: + return immed_wide_int_const (wi::add (std::make_pair (x, mode), c), + mode); case MEM: /* If this is a reference to the constant pool, try replacing it with a reference to a new constant. If the resulting address isn't |