Commit b5d569a1 authored by Rajalakshmi Srinivasaraghavan's avatar Rajalakshmi Srinivasaraghavan Committed by David Gibson
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target-ppc: add vector extract instructions 



The following vector extract instructions are added from ISA 3.0.

vextractub - Vector Extract Unsigned Byte
vextractuh - Vector Extract Unsigned Halfword
vextractuw - Vector Extract Unsigned Word
vextractd - Vector Extract Unsigned Doubleword

Signed-off-by: default avatarRajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent e7b1e06f

target-ppc/helper.h

+4 −0
Original line number Diff line number Diff line
@@ -250,6 +250,10 @@ DEF_HELPER_2(vspltisw, void, avr, i32) 
DEF_HELPER_3(vspltb, void, avr, avr, i32)

DEF_HELPER_3(vsplth, void, avr, avr, i32)

DEF_HELPER_3(vspltw, void, avr, avr, i32)

DEF_HELPER_3(vextractub, void, avr, avr, i32)

DEF_HELPER_3(vextractuh, void, avr, avr, i32)

DEF_HELPER_3(vextractuw, void, avr, avr, i32)

DEF_HELPER_3(vextractd, void, avr, avr, i32)

DEF_HELPER_3(vinsertb, void, avr, avr, i32)

DEF_HELPER_3(vinserth, void, avr, avr, i32)

DEF_HELPER_3(vinsertw, void, avr, avr, i32)

target-ppc/int_helper.c

+25 −0
Original line number Diff line number Diff line
@@ -1812,6 +1812,31 @@ VINSERT(h, u16) 
VINSERT(w, u32)

VINSERT(d, u64)

#undef VINSERT

#if defined(HOST_WORDS_BIGENDIAN)

#define VEXTRACT(suffix, element)                                            \

    void helper_vextract##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \

    {                                                                        \

        uint32_t es = sizeof(r->element[0]);                                 \

        memmove(&r->u8[8 - es], &b->u8[index], es);                          \

        memset(&r->u8[8], 0, 8);                                             \

        memset(&r->u8[0], 0, 8 - es);                                        \

    }

#else

#define VEXTRACT(suffix, element)                                            \

    void helper_vextract##suffix(ppc_avr_t *r, ppc_avr_t *b, uint32_t index) \

    {                                                                        \

        uint32_t es = sizeof(r->element[0]);                                 \

        uint32_t s = (16 - index) - es;                                      \

        memmove(&r->u8[8], &b->u8[s], es);                                   \

        memset(&r->u8[0], 0, 8);                                             \

        memset(&r->u8[8 + es], 0, 8 - es);                                   \

    }

#endif

VEXTRACT(ub, u8)

VEXTRACT(uh, u16)

VEXTRACT(uw, u32)

VEXTRACT(d, u64)

#undef VEXTRACT



#define VSPLTI(suffix, element, splat_type)                     \

    void helper_vspltis##suffix(ppc_avr_t *r, uint32_t splat)   \

target-ppc/translate/vmx-impl.inc.c

+10 −0
Original line number Diff line number Diff line
@@ -664,6 +664,10 @@ static void glue(gen_, name)(DisasContext *ctx) \ 
GEN_VXFORM_UIMM(vspltb, 6, 8);

GEN_VXFORM_UIMM(vsplth, 6, 9);

GEN_VXFORM_UIMM(vspltw, 6, 10);

GEN_VXFORM_UIMM_SPLAT(vextractub, 6, 8, 15);

GEN_VXFORM_UIMM_SPLAT(vextractuh, 6, 9, 14);

GEN_VXFORM_UIMM_SPLAT(vextractuw, 6, 10, 12);

GEN_VXFORM_UIMM_SPLAT(vextractd, 6, 11, 8);

GEN_VXFORM_UIMM_SPLAT(vinsertb, 6, 12, 15);

GEN_VXFORM_UIMM_SPLAT(vinserth, 6, 13, 14);

GEN_VXFORM_UIMM_SPLAT(vinsertw, 6, 14, 12);
@@ -672,6 +676,12 @@ GEN_VXFORM_UIMM_ENV(vcfux, 5, 12); 
GEN_VXFORM_UIMM_ENV(vcfsx, 5, 13);

GEN_VXFORM_UIMM_ENV(vctuxs, 5, 14);

GEN_VXFORM_UIMM_ENV(vctsxs, 5, 15);

GEN_VXFORM_DUAL(vspltb, PPC_NONE, PPC2_ALTIVEC_207,

                      vextractub, PPC_NONE, PPC2_ISA300);

GEN_VXFORM_DUAL(vsplth, PPC_NONE, PPC2_ALTIVEC_207,

                      vextractuh, PPC_NONE, PPC2_ISA300);

GEN_VXFORM_DUAL(vspltw, PPC_NONE, PPC2_ALTIVEC_207,

                      vextractuw, PPC_NONE, PPC2_ISA300);

GEN_VXFORM_DUAL(vspltisb, PPC_NONE, PPC2_ALTIVEC_207,

                      vinsertb, PPC_NONE, PPC2_ISA300);

GEN_VXFORM_DUAL(vspltish, PPC_NONE, PPC2_ALTIVEC_207,

target-ppc/translate/vmx-ops.inc.c

+7 −3
Original line number Diff line number Diff line
@@ -197,6 +197,13 @@ GEN_VXRFORM_DUAL(vcmpbfp, vcmpgtsd, 3, 15, PPC_ALTIVEC, PPC_NONE) 
#define GEN_VXFORM_DUAL_INV(name0, name1, opc2, opc3, inval0, inval1, type) \

GEN_OPCODE_DUAL(name0##_##name1, 0x04, opc2, opc3, inval0, inval1, type, \

                                                               PPC_NONE)

GEN_VXFORM_DUAL_INV(vspltb, vextractub, 6, 8, 0x00000000, 0x100000,

                                               PPC2_ALTIVEC_207),

GEN_VXFORM_DUAL_INV(vsplth, vextractuh, 6, 9, 0x00000000, 0x100000,

                                               PPC2_ALTIVEC_207),

GEN_VXFORM_DUAL_INV(vspltw, vextractuw, 6, 10, 0x00000000, 0x100000,

                                               PPC2_ALTIVEC_207),

GEN_VXFORM_300_EXT(vextractd, 6, 11, 0x100000),

GEN_VXFORM_DUAL_INV(vspltisb, vinsertb, 6, 12, 0x00000000, 0x100000,

                                               PPC2_ALTIVEC_207),

GEN_VXFORM_DUAL_INV(vspltish, vinserth, 6, 13, 0x00000000, 0x100000,
@@ -226,9 +233,6 @@ GEN_VXFORM_NOA(vrfiz, 5, 9), 


#define GEN_VXFORM_UIMM(name, opc2, opc3)                               \

    GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_ALTIVEC)

GEN_VXFORM_UIMM(vspltb, 6, 8),

GEN_VXFORM_UIMM(vsplth, 6, 9),

GEN_VXFORM_UIMM(vspltw, 6, 10),

GEN_VXFORM_UIMM(vcfux, 5, 12),

GEN_VXFORM_UIMM(vcfsx, 5, 13),

GEN_VXFORM_UIMM(vctuxs, 5, 14),