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/* convert psi to si inplace

Note that `fp' below isn't a segment register.
It's r6, the frame pointer.  */

#if __CODE__==32
#define RET prts
#else
#define RET rts
#endif

#define EXTPSISI_SN(r_msw,r_lsw,sp)             ; \
        .global __extpsisi##r_msw               ; \
__extpsisi##r_msw:                              ; \
        mov     r_msw,r_lsw                     ; \
        stc     sp,r_msw                        ; \
        RET

        EXTPSISI_SN(r2,r3,dp)
        EXTPSISI_SN(r4,r5,ep)


#define ADDPSI_AR_RN(sr,an,r_msw,r_lsw) \
        .global __addpsi##an##r_msw ;   \
__addpsi##an##r_msw:             ;      \
        stc     sr,@-sp          ;      \
        add     an,r_lsw                 ;      \
        addx    @sp+,r_msw               ;      \
        RET

        ADDPSI_AR_RN(dp,r2,r0,r1)
        ADDPSI_AR_RN(dp,r2,r3,r4)
        ADDPSI_AR_RN(ep,r4,r0,r1)
        ADDPSI_AR_RN(ep,r4,r1,r2)
        ADDPSI_AR_RN(ep,r4,r3,r4)
        ADDPSI_AR_RN(ep,r4,r5,fp)

        ADDPSI_AR_RN(tp,fp,r0,r1)

        
#define ADDPSI_RN_AR(r_msw,r_lsw,sr,an,t_msw,t_lsw)     \
        .global __addpsi##r_msw##an             ; \
__addpsi##r_msw##an:                            ; \
        mov.w   t_msw,@-sp                      ; \
        mov.w   t_lsw,@-sp                      ; \
        stc     sr,t_msw                        ; \
        mov     an,t_lsw                        ; \
        add     r_lsw,t_lsw                     ; \
        addx    r_msw,t_msw                     ; \
        ldc     t_msw,sr                        ; \
        mov.w   t_lsw,an                        ; \
        mov.w   @sp+,t_lsw                      ; \
        mov.w   @sp+,t_msw                      ; \
        RET     

        ADDPSI_RN_AR(r0,r1,dp,r2,r4,r5)
        ADDPSI_RN_AR(r0,r1,ep,r4,r2,r3)



#define EXTPSIHI_RN_RN(rm,r_msw,r_lsw)  ; \
        .global __extpsihi##rm##r_msw   ; \
__extpsihi##rm##r_msw:                  ; \
        mov     rm,r_lsw                ; \
        clr.w   r_msw                   ; \
        RET

        EXTPSIHI_RN_RN(r3,r0,r1)
        EXTPSIHI_RN_RN(r4,r0,r1)
        EXTPSIHI_RN_RN(r5,r0,r1)
        EXTPSIHI_RN_RN(r2,r0,r1)



/* ifdefed out, because gcc doesn't like the # character in the above
   macro.  The macro expands into an assembly languange comment anyways,
   so it serves no useful purpose.  */
#if 0
#define EXTPSIHI_RN_SN(rm,r_msw,r_lsw)  ; \
        .global __extpsihi##rm##r_lsw   ; \
__extpsihi##rm##r_lsw:                  ; \
        mov     rm,r_lsw                ; \
        ldc     \#0,r_msw               ; \
        RET

        EXTPSIHI_RN_SN(r0,dp,r2)
        EXTPSIHI_RN_SN(r0,ep,r4)
        EXTPSIHI_RN_SN(r1,dp,r2)
        EXTPSIHI_RN_SN(r1,ep,r4)
        EXTPSIHI_RN_SN(r3,dp,r2)
        EXTPSIHI_RN_SN(r3,ep,r4)
        EXTPSIHI_RN_SN(r5,dp,r2)
        EXTPSIHI_RN_SN(r5,ep,r4)
        EXTPSIHI_RN_SN(r2,ep,r4)
#endif


#define EXTPSISI_RN(r_msw,r_lsw)                ; \
        .global __extpsisi##r_msw               ; \
__extpsisi##r_msw:                              ; \
        RET

        EXTPSISI_RN(r0,r1)



#define ADDPSI_SA_SB(sa,ra,sb,rb)       ; \
        .global __addpsi##ra##rb        ; \
__addpsi##ra##rb:                       ; \
        mov.w   r0,@-sp                 ; \
        mov.w   r1,@-sp                 ; \
        stc     sa,r0                   ; \
        stc     sb,r1                   ; \
        add.w   ra,rb                   ; \
        addx    r0,r1                   ; \
        ldc     r1,sb                   ; \
        mov.w   @sp+,r1                 ; \
        mov.w   @sp+,r0                 ; \
        RET             


        ADDPSI_SA_SB(dp,r2,ep,r4)
        ADDPSI_SA_SB(ep,r4,dp,r2)
        ADDPSI_SA_SB(tp,fp,dp,r2)
        ADDPSI_SA_SB(tp,fp,ep,r4)

        ADDPSI_SA_SB(dp,r2,dp,r2)



        .global __addpsir0r0
__addpsir0r0:
        add.w   r1,r1
        addx    r0,r0
        RET