diff options
Diffstat (limited to 'gcc/tree-ssa-loop-ivopts.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ivopts.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c index fd740160..bd2e629 100644 --- a/gcc/tree-ssa-loop-ivopts.c +++ b/gcc/tree-ssa-loop-ivopts.c @@ -3120,16 +3120,19 @@ multiplier_allowed_in_address_p (HOST_WIDE_INT ratio, enum machine_mode mode, { enum machine_mode address_mode = targetm.addr_space.address_mode (as); rtx reg1 = gen_raw_REG (address_mode, LAST_VIRTUAL_REGISTER + 1); - rtx addr; + rtx reg2 = gen_raw_REG (address_mode, LAST_VIRTUAL_REGISTER + 2); + rtx addr, scaled; HOST_WIDE_INT i; valid_mult = sbitmap_alloc (2 * MAX_RATIO + 1); bitmap_clear (valid_mult); - addr = gen_rtx_fmt_ee (MULT, address_mode, reg1, NULL_RTX); + scaled = gen_rtx_fmt_ee (MULT, address_mode, reg1, NULL_RTX); + addr = gen_rtx_fmt_ee (PLUS, address_mode, scaled, reg2); for (i = -MAX_RATIO; i <= MAX_RATIO; i++) { - XEXP (addr, 1) = gen_int_mode (i, address_mode); - if (memory_address_addr_space_p (mode, addr, as)) + XEXP (scaled, 1) = gen_int_mode (i, address_mode); + if (memory_address_addr_space_p (mode, addr, as) + || memory_address_addr_space_p (mode, scaled, as)) bitmap_set_bit (valid_mult, i + MAX_RATIO); } |