Commit 8142cddd authored by Aurelien Jarno's avatar Aurelien Jarno
Browse files

Add vsumsws, vsum2sws, and vsum4{sbs, shs,ubs} instructions. 



Signed-off-by: default avatarNathan Froyd <froydnj@codesourcery.com>
Signed-off-by: default avatarAurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6189 c046a42c-6fe2-441c-8c8c-71466251a162
parent cbfb6ae9

target-ppc/helper.h

+5 −0
Original line number Diff line number Diff line
@@ -191,6 +191,11 @@ DEF_HELPER_2(lvewx, void, avr, tl) 
DEF_HELPER_2(stvebx, void, avr, tl)

DEF_HELPER_2(stvehx, void, avr, tl)

DEF_HELPER_2(stvewx, void, avr, tl)

DEF_HELPER_3(vsumsws, void, avr, avr, avr)

DEF_HELPER_3(vsum2sws, void, avr, avr, avr)

DEF_HELPER_3(vsum4sbs, void, avr, avr, avr)

DEF_HELPER_3(vsum4shs, void, avr, avr, avr)

DEF_HELPER_3(vsum4ubs, void, avr, avr, avr)



DEF_HELPER_1(efscfsi, i32, i32)

DEF_HELPER_1(efscfui, i32, i32)

target-ppc/op_helper.c

+103 −0
Original line number Diff line number Diff line
@@ -2534,6 +2534,109 @@ void helper_vsubcuw (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) 
    }

}



void helper_vsumsws (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)

{

    int64_t t;

    int i, upper;

    ppc_avr_t result;

    int sat = 0;



#if defined(WORDS_BIGENDIAN)

    upper = ARRAY_SIZE(r->s32)-1;

#else

    upper = 0;

#endif

    t = (int64_t)b->s32[upper];

    for (i = 0; i < ARRAY_SIZE(r->s32); i++) {

        t += a->s32[i];

        result.s32[i] = 0;

    }

    result.s32[upper] = cvtsdsw(t, &sat);

    *r = result;



    if (sat) {

        env->vscr |= (1 << VSCR_SAT);

    }

}



void helper_vsum2sws (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)

{

    int i, j, upper;

    ppc_avr_t result;

    int sat = 0;



#if defined(WORDS_BIGENDIAN)

    upper = 1;

#else

    upper = 0;

#endif

    for (i = 0; i < ARRAY_SIZE(r->u64); i++) {

        int64_t t = (int64_t)b->s32[upper+i*2];

        result.u64[i] = 0;

        for (j = 0; j < ARRAY_SIZE(r->u64); j++) {

            t += a->s32[2*i+j];

        }

        result.s32[upper+i*2] = cvtsdsw(t, &sat);

    }



    *r = result;

    if (sat) {

        env->vscr |= (1 << VSCR_SAT);

    }

}



void helper_vsum4sbs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)

{

    int i, j;

    int sat = 0;



    for (i = 0; i < ARRAY_SIZE(r->s32); i++) {

        int64_t t = (int64_t)b->s32[i];

        for (j = 0; j < ARRAY_SIZE(r->s32); j++) {

            t += a->s8[4*i+j];

        }

        r->s32[i] = cvtsdsw(t, &sat);

    }



    if (sat) {

        env->vscr |= (1 << VSCR_SAT);

    }

}



void helper_vsum4shs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)

{

    int sat = 0;

    int i;



    for (i = 0; i < ARRAY_SIZE(r->s32); i++) {

        int64_t t = (int64_t)b->s32[i];

        t += a->s16[2*i] + a->s16[2*i+1];

        r->s32[i] = cvtsdsw(t, &sat);

    }



    if (sat) {

        env->vscr |= (1 << VSCR_SAT);

    }

}



void helper_vsum4ubs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)

{

    int i, j;

    int sat = 0;



    for (i = 0; i < ARRAY_SIZE(r->u32); i++) {

        uint64_t t = (uint64_t)b->u32[i];

        for (j = 0; j < ARRAY_SIZE(r->u32); j++) {

            t += a->u8[4*i+j];

        }

        r->u32[i] = cvtuduw(t, &sat);

    }



    if (sat) {

        env->vscr |= (1 << VSCR_SAT);

    }

}



#if defined(WORDS_BIGENDIAN)

#define UPKHI 1

#define UPKLO 0

target-ppc/translate.c

+5 −0
Original line number Diff line number Diff line
@@ -6326,6 +6326,11 @@ GEN_VXFORM(vpkswus, 7, 5); 
GEN_VXFORM(vpkshss, 7, 6);

GEN_VXFORM(vpkswss, 7, 7);

GEN_VXFORM(vpkpx, 7, 12);

GEN_VXFORM(vsum4ubs, 4, 24);

GEN_VXFORM(vsum4sbs, 4, 28);

GEN_VXFORM(vsum4shs, 4, 25);

GEN_VXFORM(vsum2sws, 4, 26);

GEN_VXFORM(vsumsws, 4, 30);



#define GEN_VXFORM_NOA(name, opc2, opc3)                                \

    GEN_HANDLER(name, 0x04, opc2, opc3, 0x001f0000, PPC_ALTIVEC)        \