PATCH COMMITTED: Fix PR 46084: Allow for alignment with split stack

[Ian Lance Taylor]

Richard Henderson <rth@redhat.com> writes:

> On 11/05/2010 04:48 PM, Ian Lance Taylor wrote:
>> +      /* The __morestack_allocate_stack_space function will allocate
>> +	 memory using malloc.  We don't know that the alignment of the
>> +	 memory returned by malloc will meet REQUIRED_ALIGN.  Increase
>> +	 SIZE to make sure we allocate enough space.  */
>> +      ask = expand_binop (Pmode, add_optab, size,
>> +			  GEN_INT (required_align / BITS_PER_UNIT - 1),
>> +			  NULL_RTX, 1, OPTAB_LIB_WIDEN);
>
> We do have MALLOC_ABI_ALIGNMENT.

Oh yeah, thanks.

Testing this patch.

Ian

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