diff options
Diffstat (limited to 'gcc/expr.c')
| -rw-r--r-- | gcc/expr.c | 15 |
1 files changed, 9 insertions, 6 deletions
@@ -2628,9 +2628,10 @@ copy_blkmode_from_reg (rtx target, rtx srcreg, tree type) rtx src = NULL, dst = NULL; unsigned HOST_WIDE_INT bitsize = MIN (TYPE_ALIGN (type), BITS_PER_WORD); unsigned HOST_WIDE_INT bitpos, xbitpos, padding_correction = 0; - machine_mode mode = GET_MODE (srcreg); - machine_mode tmode = GET_MODE (target); - machine_mode copy_mode; + /* No current ABI uses variable-sized modes to pass a BLKmnode type. */ + fixed_size_mode mode = as_a <fixed_size_mode> (GET_MODE (srcreg)); + fixed_size_mode tmode = as_a <fixed_size_mode> (GET_MODE (target)); + fixed_size_mode copy_mode; /* BLKmode registers created in the back-end shouldn't have survived. */ gcc_assert (mode != BLKmode); @@ -2728,19 +2729,21 @@ copy_blkmode_from_reg (rtx target, rtx srcreg, tree type) } } -/* Copy BLKmode value SRC into a register of mode MODE. Return the +/* Copy BLKmode value SRC into a register of mode MODE_IN. Return the register if it contains any data, otherwise return null. This is used on targets that return BLKmode values in registers. */ rtx -copy_blkmode_to_reg (machine_mode mode, tree src) +copy_blkmode_to_reg (machine_mode mode_in, tree src) { int i, n_regs; unsigned HOST_WIDE_INT bitpos, xbitpos, padding_correction = 0, bytes; unsigned int bitsize; rtx *dst_words, dst, x, src_word = NULL_RTX, dst_word = NULL_RTX; - machine_mode dst_mode; + /* No current ABI uses variable-sized modes to pass a BLKmnode type. */ + fixed_size_mode mode = as_a <fixed_size_mode> (mode_in); + fixed_size_mode dst_mode; gcc_assert (TYPE_MODE (TREE_TYPE (src)) == BLKmode); |