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Annotation of coherent/b/bin/c/n1/i386/tables/shift.t, revision 1.1

1.1     ! root        1: //////////
        !             2: / n1/i386/tables/shift.t
        !             3: //////////
        !             4: 
        !             5: /////////
        !             6: /
        !             7: / Shift left (<<) and shift right (>>).
        !             8: / Short shifts are done inline.
        !             9: / Longer shifts use 'shift by CL'.
        !            10: / [OP0] is ZSAL or ZSAR.
        !            11: / [TL OP0] maps to a signed or unsigned shift of the appropriate length.
        !            12: / The result of a shift by more than 32 bits is undefined behavior.
        !            13: / This table simply generates a shift by the arg,
        !            14: / and the i386 uses the shift counts modulo 32.
        !            15: /
        !            16: /////////
        !            17: 
        !            18: SHL:
        !            19: SHR:
        !            20: 
        !            21: / Long op immediate.
        !            22: %      PEFFECT|PVALUE|PREL|P_SLT
        !            23:        DWORD           ANYR    ANYR    *       TEMP
        !            24:                TREG            DWORD
        !            25:                SHCNT|MMX       LONG
        !            26:                        [TL OP0]        [R],[AR]
        !            27:                [IFR]   [REL0]          [LAB]
        !            28: 
        !            29: / Long op long.
        !            30: / This uses node temp EAX rather than ANYR to avoid using ECX.
        !            31: %      PEFFECT|PVALUE|P_SLT
        !            32:        DWORD           EAX     EAX     ECX     EAX
        !            33:                TREG            DWORD
        !            34:                ADR             LONG
        !            35:                        [ZMOV]          [REGNO ECX],[AR]
        !            36:                        [TL OP0]        [R],[REGNO CL]
        !            37: 
        !            38: //////////
        !            39: / end of n1/i386/tables/shift.t
        !            40: //////////

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