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[/] [zipcpu/] [trunk/] [sw/] [zasm/] [zparser.cpp] - Diff between revs 89 and 126

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Rev 89 Rev 126
Line 58... Line 58...
 
 
#define DBLREGOP(OP,CND,IMM,B,A) (((OP&0x01f)<<22)|((A&0x0f)<<27)       \
#define DBLREGOP(OP,CND,IMM,B,A) (((OP&0x01f)<<22)|((A&0x0f)<<27)       \
                        |((CND&0x07)<<19)|(1<<18)|((B&0x0f)<<14)         \
                        |((CND&0x07)<<19)|(1<<18)|((B&0x0f)<<14)         \
                        | (IMM & 0x03fff))
                        | (IMM & 0x03fff))
 
 
 
#define LONG_MPY
 
 
 
ZPARSER::ZIPIMM ZPARSER::brev(ZIPIMM v) const {
 
        unsigned r=0, b;
 
 
 
        for(b=0; b<32; b++, v>>=1)
 
                r = (r<<1)|(v&1);
 
 
 
        return r;
 
}
 
 
ZIPI    ZPARSER::op_cmp(ZIPCOND cnd, ZIPIMM imm, ZIPREG b, ZIPREG a) const {
ZIPI    ZPARSER::op_cmp(ZIPCOND cnd, ZIPIMM imm, ZIPREG b, ZIPREG a) const {
        return DBLREGOP(ZIPO_CMP, cnd, imm, b, a);
        return DBLREGOP(ZIPO_CMP, cnd, imm, b, a);
}
}
 
 
ZIPI    ZPARSER::op_cmp(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
ZIPI    ZPARSER::op_cmp(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
Line 116... Line 127...
        return 0x76400000;
        return 0x76400000;
} ZIPI  ZPARSER::op_lock(void) const {
} ZIPI  ZPARSER::op_lock(void) const {
        return 0x76800000;
        return 0x76800000;
}
}
 
 
 
#ifdef  LONG_MPY
 
ZIPI    ZPARSER::op_mpy(ZIPCOND cnd, ZIPIMM imm, ZIPREG b, ZIPREG a) const {
 
        return DBLREGOP(ZIPO_MPY, cnd, imm, b, a);
 
} ZIPI  ZPARSER::op_mpy(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
 
        return IMMOP(ZIPO_MPY, cnd, imm, a);
 
} ZIPI  ZPARSER::op_ldihi(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
 
        ZIPI    in = IMMOP(ZIPO_BREV, cnd, brev(imm)&0x0ffff, a);
 
        return in;
 
}
 
#else
ZIPI    ZPARSER::op_ldihi(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
ZIPI    ZPARSER::op_ldihi(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
        ZIPI    in = IMMOP(ZIPO_LDIHI, cnd, (imm & 0x0ffff), a);
        ZIPI    in = IMMOP(ZIPO_LDIHI, cnd, (imm & 0x0ffff), a);
        return in;
        return in;
} ZIPI  ZPARSER::op_ldilo(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
}
 
#endif
 
ZIPI    ZPARSER::op_ldilo(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
        ZIPI    in = IMMOP(ZIPO_LDILO, cnd, (imm & 0x0ffff), a);
        ZIPI    in = IMMOP(ZIPO_LDILO, cnd, (imm & 0x0ffff), a);
        return in;
        return in;
}
}
 
 
ZIPI    ZPARSER::op_mpyu(ZIPCOND cnd, ZIPIMM imm, ZIPREG b, ZIPREG a) const {
ZIPI    ZPARSER::op_mpyu(ZIPCOND cnd, ZIPIMM imm, ZIPREG b, ZIPREG a) const {

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