[Libre-soc-bugs] [Bug 980] Implement C-based Power ISA pseudocode compiler

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=980

--- Comment #109 from Dmitry Selyutin <ghostmansd at gmail.com> ---
...now with (GPR|0) support!

x <- (RA|0)

{
    struct oppc_value x;
    struct oppc_value RA;

    oppc_assign(
        &RA,
        oppc_transient(&(struct oppc_value){}, UINT64_C(0), 5)
    );
    oppc_subscript_assign(
        &RA,
        oppc_transient(&(struct oppc_value){}, 0, (uint8_t)OPPC_XLEN),
        oppc_subscript(
            insn,
            oppc_transient(&(struct oppc_value){}, 11, (uint8_t)OPPC_XLEN)
        )
    );
    oppc_subscript_assign(
        &RA,
        oppc_transient(&(struct oppc_value){}, 1, (uint8_t)OPPC_XLEN),
        oppc_subscript(
            insn,
            oppc_transient(&(struct oppc_value){}, 12, (uint8_t)OPPC_XLEN)
        )
    );
    oppc_subscript_assign(
        &RA,
        oppc_transient(&(struct oppc_value){}, 2, (uint8_t)OPPC_XLEN),
        oppc_subscript(
            insn,
            oppc_transient(&(struct oppc_value){}, 13, (uint8_t)OPPC_XLEN)
        )
    );
    oppc_subscript_assign(
        &RA,
        oppc_transient(&(struct oppc_value){}, 3, (uint8_t)OPPC_XLEN),
        oppc_subscript(
            insn,
            oppc_transient(&(struct oppc_value){}, 14, (uint8_t)OPPC_XLEN)
        )
    );
    oppc_subscript_assign(
        &RA,
        oppc_transient(&(struct oppc_value){}, 4, (uint8_t)OPPC_XLEN),
        oppc_subscript(
            insn,
            oppc_transient(&(struct oppc_value){}, 15, (uint8_t)OPPC_XLEN)
        )
    );


    /* x <- (RA|0) */
    oppc_assign(
        /* x */
        &x,
        (
            oppc_bool(
                &RA
            )
            ?
                &OPPC_GPR[OPPC_GPR_RA]
            :
                oppc_transient(&(struct oppc_value){}, UINT64_C(0),
(uint8_t)OPPC_XLEN)
        )
    );
}

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