diff options
Diffstat (limited to 'gcc/fwprop.c')
| -rw-r--r-- | gcc/fwprop.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/fwprop.c b/gcc/fwprop.c index d3ed74298c0..75a354ea54d 100644 --- a/gcc/fwprop.c +++ b/gcc/fwprop.c @@ -375,11 +375,12 @@ canonicalize_address (rtx x) static bool should_replace_address (rtx old_rtx, rtx new_rtx, enum machine_mode mode, - bool speed) + addr_space_t as, bool speed) { int gain; - if (rtx_equal_p (old_rtx, new_rtx) || !memory_address_p (mode, new_rtx)) + if (rtx_equal_p (old_rtx, new_rtx) + || !memory_address_addr_space_p (mode, new_rtx, as)) return false; /* Copy propagation is always ok. */ @@ -387,7 +388,8 @@ should_replace_address (rtx old_rtx, rtx new_rtx, enum machine_mode mode, return true; /* Prefer the new address if it is less expensive. */ - gain = address_cost (old_rtx, mode, speed) - address_cost (new_rtx, mode, speed); + gain = (address_cost (old_rtx, mode, as, speed) + - address_cost (new_rtx, mode, as, speed)); /* If the addresses have equivalent cost, prefer the new address if it has the highest `rtx_cost'. That has the potential of @@ -555,6 +557,7 @@ propagate_rtx_1 (rtx *px, rtx old_rtx, rtx new_rtx, int flags) /* Copy propagations are always ok. Otherwise check the costs. */ if (!(REG_P (old_rtx) && REG_P (new_rtx)) && !should_replace_address (op0, new_op0, GET_MODE (x), + MEM_ADDR_SPACE (x), flags & PR_OPTIMIZE_FOR_SPEED)) return true; |