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({non,}aligned_memory_operand): Test REGNO_POINTER_ALIGN.

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(reg_or_unaligned_mem_operand): New function.
(get_unaligned_address): Add new arg, EXTRA_OFFSET.

From-SVN: r10880
This commit is contained in:
Richard Kenner 1995-12-27 15:28:55 -05:00
parent 0e75bea2be
commit adb18b686c
1 changed files with 17 additions and 11 deletions
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28
gcc/config/alpha/alpha.c
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@ -459,10 +459,7 @@ aligned_memory_operand (op, mode)
op = XEXP (op, 0);
return (GET_CODE (op) == REG
&& (REGNO (op) == STACK_POINTER_REGNUM
|| op == hard_frame_pointer_rtx
|| (REGNO (op) >= FIRST_VIRTUAL_REGISTER
&& REGNO (op) <= LAST_VIRTUAL_REGISTER)));
&& REGNO_POINTER_ALIGN (REGNO (op)) >= 4);
}
/* Similar, but return 1 if OP is a MEM which is not alignable. */
@ -496,10 +493,17 @@ unaligned_memory_operand (op, mode)
op = XEXP (op, 0);
return (GET_CODE (op) != REG
|| (REGNO (op) != STACK_POINTER_REGNUM
&& op != hard_frame_pointer_rtx
&& (REGNO (op) < FIRST_VIRTUAL_REGISTER
|| REGNO (op) > LAST_VIRTUAL_REGISTER)));
|| REGNO_POINTER_ALIGN (REGNO (op)) < 4);
}
/* Return 1 if OP is either a register or an unaligned memory location. */
int
reg_or_unaligned_mem_operand (op, mode)
rtx op;
enum machine_mode mode;
{
return register_operand (op, mode) || unaligned_memory_operand (op, mode);
}
/* Return 1 if OP is any memory location. During reload a pseudo matches. */
@ -560,11 +564,13 @@ get_aligned_mem (ref, paligned_mem, pbitnum)
*pbitnum = GEN_INT ((offset & 3) * 8);
}
/* Similar, but just get the address. Handle the two reload cases. */
/* Similar, but just get the address. Handle the two reload cases.
Add EXTRA_OFFSET to the address we return. */
rtx
get_unaligned_address (ref)
get_unaligned_address (ref, extra_offset)
rtx ref;
int extra_offset;
{
rtx base;
HOST_WIDE_INT offset = 0;
@ -590,7 +596,7 @@ get_unaligned_address (ref)
if (GET_CODE (base) == PLUS)
offset += INTVAL (XEXP (base, 1)), base = XEXP (base, 0);
return plus_constant (base, offset);
return plus_constant (base, offset + extra_offset);
}
/* Subfunction of the following function. Update the flags of any MEM