diff options
Diffstat (limited to 'gcc/config/mips/mips.c')
| -rw-r--r-- | gcc/config/mips/mips.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index ff8ce7d0598..91e90e0918e 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -4541,13 +4541,15 @@ bool mips_expand_unaligned_store (rtx dest, rtx src, unsigned int width, int bitpos) { rtx left, right; + enum machine_mode mode; if (!mips_get_unaligned_mem (&dest, width, bitpos, &left, &right)) return false; - src = gen_lowpart (mode_for_size (width, MODE_INT, 0), src); + mode = mode_for_size (width, MODE_INT, 0); + src = gen_lowpart (mode, src); - if (GET_MODE (src) == DImode) + if (mode == DImode) { emit_insn (gen_mov_sdl (dest, src, left)); emit_insn (gen_mov_sdr (copy_rtx (dest), copy_rtx (src), right)); @@ -4560,6 +4562,20 @@ mips_expand_unaligned_store (rtx dest, rtx src, unsigned int width, int bitpos) return true; } +/* Return true if X is a MEM with the same size as MODE. */ + +bool +mips_mem_fits_mode_p (enum machine_mode mode, rtx x) +{ + rtx size; + + if (!MEM_P (x)) + return false; + + size = MEM_SIZE (x); + return size && INTVAL (size) == GET_MODE_SIZE (mode); +} + /* Return true if (zero_extract OP SIZE POSITION) can be used as the source of an "ext" instruction or the destination of an "ins" instruction. OP must be a register operand and the following |
