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[/] [openrisc/] [trunk/] [gnu-old/] [newlib-1.17.0/] [newlib/] [libc/] [machine/] [h8500/] [psi.S] - Blame information for rev 847

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Line No. Rev Author Line
1 148 jeremybenn
/* convert psi to si inplace
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Note that `fp' below isn't a segment register.
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It's r6, the frame pointer.  */
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#if __CODE__==32
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#define RET prts
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#else
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#define RET rts
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#endif
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#define EXTPSISI_SN(r_msw,r_lsw,sp)             ; \
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        .global __extpsisi##r_msw               ; \
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__extpsisi##r_msw:                              ; \
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        mov     r_msw,r_lsw                     ; \
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        stc     sp,r_msw                        ; \
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        RET
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        EXTPSISI_SN(r2,r3,dp)
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        EXTPSISI_SN(r4,r5,ep)
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#define ADDPSI_AR_RN(sr,an,r_msw,r_lsw) \
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        .global __addpsi##an##r_msw ;   \
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__addpsi##an##r_msw:             ;      \
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        stc     sr,@-sp          ;      \
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        add     an,r_lsw                 ;      \
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        addx    @sp+,r_msw               ;      \
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        RET
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        ADDPSI_AR_RN(dp,r2,r0,r1)
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        ADDPSI_AR_RN(dp,r2,r3,r4)
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        ADDPSI_AR_RN(ep,r4,r0,r1)
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        ADDPSI_AR_RN(ep,r4,r1,r2)
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        ADDPSI_AR_RN(ep,r4,r3,r4)
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        ADDPSI_AR_RN(ep,r4,r5,fp)
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        ADDPSI_AR_RN(tp,fp,r0,r1)
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#define ADDPSI_RN_AR(r_msw,r_lsw,sr,an,t_msw,t_lsw)     \
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        .global __addpsi##r_msw##an             ; \
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__addpsi##r_msw##an:                            ; \
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        mov.w   t_msw,@-sp                      ; \
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        mov.w   t_lsw,@-sp                      ; \
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        stc     sr,t_msw                        ; \
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        mov     an,t_lsw                        ; \
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        add     r_lsw,t_lsw                     ; \
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        addx    r_msw,t_msw                     ; \
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        ldc     t_msw,sr                        ; \
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        mov.w   t_lsw,an                        ; \
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        mov.w   @sp+,t_lsw                      ; \
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        mov.w   @sp+,t_msw                      ; \
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        RET
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        ADDPSI_RN_AR(r0,r1,dp,r2,r4,r5)
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        ADDPSI_RN_AR(r0,r1,ep,r4,r2,r3)
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#define EXTPSIHI_RN_RN(rm,r_msw,r_lsw)  ; \
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        .global __extpsihi##rm##r_msw   ; \
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__extpsihi##rm##r_msw:                  ; \
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        mov     rm,r_lsw                ; \
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        clr.w   r_msw                   ; \
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        RET
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        EXTPSIHI_RN_RN(r3,r0,r1)
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        EXTPSIHI_RN_RN(r4,r0,r1)
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        EXTPSIHI_RN_RN(r5,r0,r1)
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        EXTPSIHI_RN_RN(r2,r0,r1)
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/* ifdefed out, because gcc doesn't like the # character in the above
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   macro.  The macro expands into an assembly languange comment anyways,
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   so it serves no useful purpose.  */
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#if 0
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#define EXTPSIHI_RN_SN(rm,r_msw,r_lsw)  ; \
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        .global __extpsihi##rm##r_lsw   ; \
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__extpsihi##rm##r_lsw:                  ; \
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        mov     rm,r_lsw                ; \
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        ldc     \#0,r_msw               ; \
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        RET
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        EXTPSIHI_RN_SN(r0,dp,r2)
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        EXTPSIHI_RN_SN(r0,ep,r4)
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        EXTPSIHI_RN_SN(r1,dp,r2)
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        EXTPSIHI_RN_SN(r1,ep,r4)
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        EXTPSIHI_RN_SN(r3,dp,r2)
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        EXTPSIHI_RN_SN(r3,ep,r4)
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        EXTPSIHI_RN_SN(r5,dp,r2)
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        EXTPSIHI_RN_SN(r5,ep,r4)
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        EXTPSIHI_RN_SN(r2,ep,r4)
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#endif
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#define EXTPSISI_RN(r_msw,r_lsw)                ; \
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        .global __extpsisi##r_msw               ; \
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__extpsisi##r_msw:                              ; \
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        RET
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        EXTPSISI_RN(r0,r1)
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#define ADDPSI_SA_SB(sa,ra,sb,rb)       ; \
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        .global __addpsi##ra##rb        ; \
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__addpsi##ra##rb:                       ; \
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        mov.w   r0,@-sp                 ; \
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        mov.w   r1,@-sp                 ; \
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        stc     sa,r0                   ; \
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        stc     sb,r1                   ; \
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        add.w   ra,rb                   ; \
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        addx    r0,r1                   ; \
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        ldc     r1,sb                   ; \
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        mov.w   @sp+,r1                 ; \
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        mov.w   @sp+,r0                 ; \
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        RET
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        ADDPSI_SA_SB(dp,r2,ep,r4)
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        ADDPSI_SA_SB(ep,r4,dp,r2)
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        ADDPSI_SA_SB(tp,fp,dp,r2)
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        ADDPSI_SA_SB(tp,fp,ep,r4)
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        ADDPSI_SA_SB(dp,r2,dp,r2)
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        .global __addpsir0r0
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__addpsir0r0:
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        add.w   r1,r1
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        addx    r0,r0
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        RET
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