diff options
Diffstat (limited to 'gcc/recog.c')
| -rw-r--r-- | gcc/recog.c | 36 |
1 files changed, 17 insertions, 19 deletions
diff --git a/gcc/recog.c b/gcc/recog.c index 2114df8..5a42c45 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -1776,20 +1776,20 @@ pop_operand (rtx op, machine_mode mode) return XEXP (op, 0) == stack_pointer_rtx; } -/* Return 1 if ADDR is a valid memory address +/* Return true if ADDR is a valid memory address for mode MODE in address space AS. */ -int +bool memory_address_addr_space_p (machine_mode mode ATTRIBUTE_UNUSED, rtx addr, addr_space_t as) { #ifdef GO_IF_LEGITIMATE_ADDRESS gcc_assert (ADDR_SPACE_GENERIC_P (as)); GO_IF_LEGITIMATE_ADDRESS (mode, addr, win); - return 0; + return false; win: - return 1; + return true; #else return targetm.addr_space.legitimate_address_p (mode, addr, 0, as); #endif @@ -2361,18 +2361,16 @@ find_constant_term_loc (rtx *p) return 0; } -/* Return 1 if OP is a memory reference - whose address contains no side effects - and remains valid after the addition - of a positive integer less than the - size of the object being referenced. +/* Return true if OP is a memory reference whose address contains + no side effects and remains valid after the addition of a positive + integer less than the size of the object being referenced. We assume that the original address is valid and do not check it. This uses strict_memory_address_p as a subroutine, so don't use it before reload. */ -int +bool offsettable_memref_p (rtx op) { return ((MEM_P (op)) @@ -2383,7 +2381,7 @@ offsettable_memref_p (rtx op) /* Similar, but don't require a strictly valid mem ref: consider pseudo-regs valid as index or base regs. */ -int +bool offsettable_nonstrict_memref_p (rtx op) { return ((MEM_P (op)) @@ -2391,7 +2389,7 @@ offsettable_nonstrict_memref_p (rtx op) MEM_ADDR_SPACE (op))); } -/* Return 1 if Y is a memory address which contains no side effects +/* Return true if Y is a memory address which contains no side effects and would remain valid for address space AS after the addition of a positive integer less than the size of that mode. @@ -2401,7 +2399,7 @@ offsettable_nonstrict_memref_p (rtx op) If STRICTP is nonzero, we require a strictly valid address, for the sake of use in reload.c. */ -int +bool offsettable_address_addr_space_p (int strictp, machine_mode mode, rtx y, addr_space_t as) { @@ -2409,19 +2407,19 @@ offsettable_address_addr_space_p (int strictp, machine_mode mode, rtx y, rtx z; rtx y1 = y; rtx *y2; - int (*addressp) (machine_mode, rtx, addr_space_t) = + bool (*addressp) (machine_mode, rtx, addr_space_t) = (strictp ? strict_memory_address_addr_space_p : memory_address_addr_space_p); poly_int64 mode_sz = GET_MODE_SIZE (mode); if (CONSTANT_ADDRESS_P (y)) - return 1; + return true; /* Adjusting an offsettable address involves changing to a narrower mode. Make sure that's OK. */ if (mode_dependent_address_p (y, as)) - return 0; + return false; machine_mode address_mode = GET_MODE (y); if (address_mode == VOIDmode) @@ -2442,7 +2440,7 @@ offsettable_address_addr_space_p (int strictp, machine_mode mode, rtx y, if ((ycode == PLUS) && (y2 = find_constant_term_loc (&y1))) { - int good; + bool good; y1 = *y2; *y2 = plus_constant (address_mode, *y2, mode_sz - 1); @@ -2456,7 +2454,7 @@ offsettable_address_addr_space_p (int strictp, machine_mode mode, rtx y, } if (GET_RTX_CLASS (ycode) == RTX_AUTOINC) - return 0; + return false; /* The offset added here is chosen as the maximum offset that any instruction could need to add when operating on something @@ -2486,7 +2484,7 @@ offsettable_address_addr_space_p (int strictp, machine_mode mode, rtx y, return (*addressp) (QImode, z, as); } -/* Return 1 if ADDR is an address-expression whose effect depends +/* Return true if ADDR is an address-expression whose effect depends on the mode of the memory reference it is used in. ADDRSPACE is the address space associated with the address. |