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From: Gyle Yearsley <gyearsley@zilog.com>
To: 'Richard Sandiford' <rsandifo@redhat.com>
Cc: "'gcc@gcc.gnu.org'" <gcc@gcc.gnu.org>
Subject: RE: Porting GCC
Date: Fri, 04 Jun 2004 15:24:00 -0000
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Thanks Richard,

I will check that.

Gyle 

-----Original Message-----
From: Richard Sandiford [mailto:rsandifo@redhat.com]
Sent: Thursday, June 03, 2004 9:38 AM
To: Gyle Yearsley
Cc: 'gcc@gcc.gnu.org'
Subject: Re: Porting GCC


Gyle Yearsley <gyearsley@zilog.com> writes:
>> (insn 15 13 16 (nil) (set (mem/f:SI (pre_dec:SI (reg/f:SI 16 sp)) [0 S4
>> A8])
>>         (mem/f:SI (plus:SI (reg/f:SI 18 virtual-stack-vars)
>>                 (const_int -20 [0xffffffec])) [0 e+0 S4 A32])) -1 (nil)
>>     (nil))
>> 
>> 
>> (define_insn "pushsi"
>>   [(set:SI (mem:SI (pre_dec:SI (reg:SI 16)))
>> 	(match_operand:SI 0 "general_operand" "r,m"))]
>>   ""
>>   "@
>> 	push.q %0
>> 	push.q %0"
>> )

One thing to check is that GO_IF_LEGITIMATE_ADDRESS accepts:

  (plus:SI (reg/f:SI 18 virtual-stack-vars)
           (const_int -20 [0xffffffec]))

as a valid address for SImode.

Richard