[PATCH] [SH/SH4]: Defined _FPU_DOUBLE, _FPU_SINGLE, _FPU_RC_DOWN and _FPU_RC_UP

Nobuhiro Iwamatsu iwamatsu@nigauri.org
Mon May 7 01:33:00 GMT 2012


2012/4/27 Richard Henderson <rth@twiddle.net>:
> On 04/26/12 00:14, Nobuhiro Iwamatsu wrote:
>> -#define _FPU_RC_NEAREST 0x0  /* RECOMMENDED */
>> +#define _FPU_RC_NEAREST 0x0 /* RECOMMENDED */
>>  #define _FPU_RC_ZERO 0x1
>> +#define _FPU_RC_DOWN 0x0 /* DO NOT USE */
>> +#define _FPU_RC_UP   0x0 /* DO NOT USE */
>> +
>> +/* precision control */
>> +#define _FPU_EXTENDED        0x0
>> +#define _FPU_DOUBLE          0x80000
>> +#define _FPU_SINGLE          0x00000 /* When bit 19 was 0, single mode. */
>
> This seems dangerous in the extreme.
> What are you trying to fix here?
>

I want to add infomation of FPU register and undefined macro for SH4.

Best regards,
  Nobuhiro
-- 
Nobuhiro Iwamatsu



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