diff options
Diffstat (limited to 'gcc/expmed.c')
| -rw-r--r-- | gcc/expmed.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c index 29440d1a5db..e12fdfbb103 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -2981,10 +2981,9 @@ expand_mult_const (enum machine_mode mode, rtx op0, HOST_WIDE_INT val, int opno; enum machine_mode nmode; - /* Avoid referencing memory over and over. - For speed, but also for correctness when mem is volatile. */ - if (MEM_P (op0)) - op0 = force_reg (mode, op0); + /* Avoid referencing memory over and over and invalid sharing + on SUBREGs. */ + op0 = force_reg (mode, op0); /* ACCUM starts out either as OP0 or as a zero, depending on the first operation. */ @@ -3095,7 +3094,8 @@ expand_mult_const (enum machine_mode mode, rtx op0, HOST_WIDE_INT val, insn = get_last_insn (); set_unique_reg_note (insn, REG_EQUAL, - gen_rtx_MULT (nmode, tem, GEN_INT (val_so_far))); + gen_rtx_MULT (nmode, tem, + GEN_INT (val_so_far))); } if (variant == negate_variant) |
