diff options
Diffstat (limited to 'gcc/rtlanal.c')
| -rw-r--r-- | gcc/rtlanal.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index 3329d8b..0eaf1c0 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -86,7 +86,6 @@ rtx_unstable_p (rtx x) case QUEUED: return 1; - case ADDRESSOF: case CONST: case CONST_INT: case CONST_DOUBLE: @@ -173,10 +172,6 @@ rtx_varies_p (rtx x, int for_alias) case LABEL_REF: return 0; - case ADDRESSOF: - /* This will resolve to some offset from the frame pointer. */ - return 0; - case REG: /* Note that we have to test for the actual rtx used for the frame and arg pointers and not just the register number in case we have @@ -248,10 +243,6 @@ rtx_addr_can_trap_p (rtx x) case LABEL_REF: return 0; - case ADDRESSOF: - /* This will resolve to some offset from the frame pointer. */ - return 0; - case REG: /* As in rtx_varies_p, we have to use the actual rtx, not reg number. */ if (x == frame_pointer_rtx || x == hard_frame_pointer_rtx @@ -311,10 +302,6 @@ nonzero_address_p (rtx x) case LABEL_REF: return true; - case ADDRESSOF: - /* This will resolve to some offset from the frame pointer. */ - return true; - case REG: /* As in rtx_varies_p, we have to use the actual rtx, not reg number. */ if (x == frame_pointer_rtx || x == hard_frame_pointer_rtx @@ -3838,14 +3825,6 @@ rtx_cost (rtx x, enum rtx_code outer_code ATTRIBUTE_UNUSED) int address_cost (rtx x, enum machine_mode mode) { - /* The address_cost target hook does not deal with ADDRESSOF nodes. But, - during CSE, such nodes are present. Using an ADDRESSOF node which - refers to the address of a REG is a good thing because we can then - turn (MEM (ADDRESSOF (REG))) into just plain REG. */ - - if (GET_CODE (x) == ADDRESSOF && REG_P (XEXP ((x), 0))) - return -1; - /* We may be asked for cost of various unusual addresses, such as operands of push instruction. It is not worthwhile to complicate writing of the target hook by such cases. */ |