RFA: Add support for sh2e.

[J. Johnston]

Yes, please go ahead.

-- Jeff J.

Nick Clifton wrote:
> Hi Guys,
> 
>   I am contributing the SH2E port developed by Red Hat.  May I apply
>   the patch below to the newlib sources please ?
> 
> Cheers
>         Nick
> 
> newlib/ChangeLog
> 2003-01-23  Nick Clifton  <nickc@redhat.com>
> 
> 	* Add sh2e support:
> 
> 	2002-04-02  Alexandre Oliva  <aoliva@redhat.com>
> 
> 		* libc/machine/sh/asm.h: Added __SH2E__ next to __SH3E__.
> 		* libc/machine/sh/setjmp.S: Likewise.
> 		* libc/include/machine/ieeefp.h: Likewise.
> 
> Index: newlib/libc/include/machine/ieeefp.h
> ===================================================================
> RCS file: /cvs/src/src/newlib/libc/include/machine/ieeefp.h,v
> retrieving revision 1.15
> diff -c -3 -p -w -r1.15 ieeefp.h
> *** newlib/libc/include/machine/ieeefp.h	18 Jan 2003 08:55:07 -0000	1.15
> --- newlib/libc/include/machine/ieeefp.h	23 Jan 2003 17:17:11 -0000
> ***************
> *** 94,100 ****
>   #else
>   #define __IEEE_BIG_ENDIAN
>   #endif
> ! #if defined(__SH3E__) || defined(__SH4_SINGLE_ONLY__)
>   #define _DOUBLE_IS_32BITS
>   #endif
>   #endif
> --- 94,100 ----
>   #else
>   #define __IEEE_BIG_ENDIAN
>   #endif
> ! #if defined(__SH2E__) || defined(__SH3E__) || defined(__SH4_SINGLE_ONLY__)
>   #define _DOUBLE_IS_32BITS
>   #endif
>   #endif
> 
> Index: newlib/libc/machine/sh/asm.h
> ===================================================================
> RCS file: /cvs/src/src/newlib/libc/machine/sh/asm.h,v
> retrieving revision 1.4
> diff -c -3 -p -w -r1.4 asm.h
> *** newlib/libc/machine/sh/asm.h	7 Jul 2002 00:27:20 -0000	1.4
> --- newlib/libc/machine/sh/asm.h	23 Jan 2003 17:17:11 -0000
> ***************
> *** 22,28 ****
>   #define ENTRY(name)	\
>   	_ENTRY(_C_LABEL(name))
>   
> ! #if (defined (__sh2__) || defined (__sh3__) || defined (__SH3E__) \
>        || defined (__SH4_SINGLE__) || defined (__SH4__)) \
>        || defined (__SH4_SINGLE_ONLY__) || defined (__SH5__)
>   #define DELAYED_BRANCHES
> --- 22,28 ----
>   #define ENTRY(name)	\
>   	_ENTRY(_C_LABEL(name))
>   
> ! #if (defined (__sh2__) || defined (__SH2E__) || defined (__sh3__) || defined (__SH3E__) \
>        || defined (__SH4_SINGLE__) || defined (__SH4__)) \
>        || defined (__SH4_SINGLE_ONLY__) || defined (__SH5__)
>   #define DELAYED_BRANCHES
> 
> Index: newlib/libc/machine/sh/setjmp.S
> ===================================================================
> RCS file: /cvs/src/src/newlib/libc/machine/sh/setjmp.S,v
> retrieving revision 1.2
> diff -c -3 -p -w -r1.2 setjmp.S
> *** newlib/libc/machine/sh/setjmp.S	8 Feb 2002 07:11:09 -0000	1.2
> --- newlib/libc/machine/sh/setjmp.S	23 Jan 2003 17:17:11 -0000
> *************** ENTRY(setjmp)
> *** 72,78 ****
>   	movi	0, r2
>   	blink	tr0, r63
>   #else
> ! #if defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__)
>   	add	#(13*4),r4
>   #else
>   	add	#(9*4),r4
> --- 72,78 ----
>   	movi	0, r2
>   	blink	tr0, r63
>   #else
> ! #if defined (__SH2E__) || defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__)
>   	add	#(13*4),r4
>   #else
>   	add	#(9*4),r4
> *************** ENTRY(setjmp)
> *** 80,86 ****
>   
>   	sts.l	pr,@-r4
>   
> ! #if defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__)
>   	fmov.s	fr15,@-r4	! call saved floating point registers
>   	fmov.s	fr14,@-r4
>   	fmov.s	fr13,@-r4
> --- 80,86 ----
>   
>   	sts.l	pr,@-r4
>   
> ! #if defined (__SH2E__) || defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__)
>   	fmov.s	fr15,@-r4	! call saved floating point registers
>   	fmov.s	fr14,@-r4
>   	fmov.s	fr13,@-r4
> *************** ENTRY(longjmp)
> *** 173,179 ****
>   	mov.l	@r4+,r14
>   	mov.l	@r4+,r15
>   
> ! #if defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__)
>   	fmov.s	@r4+,fr12	! call saved floating point registers
>   	fmov.s	@r4+,fr13
>   	fmov.s	@r4+,fr14
> --- 173,179 ----
>   	mov.l	@r4+,r14
>   	mov.l	@r4+,r15
>   
> ! #if defined (__SH2E__) || defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__)
>   	fmov.s	@r4+,fr12	! call saved floating point registers
>   	fmov.s	@r4+,fr13
>   	fmov.s	@r4+,fr14
>