Commit 125a9b23 authored by Nikunj A Dadhania's avatar Nikunj A Dadhania Committed by David Gibson
Browse files

target-ppc: implement vexts[bh]2w and vexts[bhw]2d 



Vector Extend Sign Instructions:

vextsb2w: Vector Extend Sign Byte To Word
vextsh2w: Vector Extend Sign Halfword To Word
vextsb2d: Vector Extend Sign Byte To Doubleword
vextsh2d: Vector Extend Sign Halfword To Doubleword
vextsw2d: Vector Extend Sign Word To Doubleword

Signed-off-by: default avatarNikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent 74cba2b3

target-ppc/helper.h

+5 −0
Original line number Diff line number Diff line
@@ -267,6 +267,11 @@ DEF_HELPER_3(vinsertb, void, avr, avr, i32) 
DEF_HELPER_3(vinserth, void, avr, avr, i32)

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

DEF_HELPER_3(vinsertd, void, avr, avr, i32)

DEF_HELPER_2(vextsb2w, void, avr, avr)

DEF_HELPER_2(vextsh2w, void, avr, avr)

DEF_HELPER_2(vextsb2d, void, avr, avr)

DEF_HELPER_2(vextsh2d, void, avr, avr)

DEF_HELPER_2(vextsw2d, void, avr, avr)

DEF_HELPER_2(vupkhpx, void, avr, avr)

DEF_HELPER_2(vupklpx, void, avr, avr)

DEF_HELPER_2(vupkhsb, void, avr, avr)

target-ppc/int_helper.c

+15 −0
Original line number Diff line number Diff line
@@ -1934,6 +1934,21 @@ VEXTRACT(uw, u32) 
VEXTRACT(d, u64)

#undef VEXTRACT



#define VEXT_SIGNED(name, element, mask, cast, recast)              \

void helper_##name(ppc_avr_t *r, ppc_avr_t *b)                      \

{                                                                   \

    int i;                                                          \

    VECTOR_FOR_INORDER_I(i, element) {                              \

        r->element[i] = (recast)((cast)(b->element[i] & mask));     \

    }                                                               \

}

VEXT_SIGNED(vextsb2w, s32, UINT8_MAX, int8_t, int32_t)

VEXT_SIGNED(vextsb2d, s64, UINT8_MAX, int8_t, int64_t)

VEXT_SIGNED(vextsh2w, s32, UINT16_MAX, int16_t, int32_t)

VEXT_SIGNED(vextsh2d, s64, UINT16_MAX, int16_t, int64_t)

VEXT_SIGNED(vextsw2d, s64, UINT32_MAX, int32_t, int64_t)

#undef VEXT_SIGNED



#define VSPLTI(suffix, element, splat_type)                     \

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

    {                                                           \

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

+5 −0
Original line number Diff line number Diff line
@@ -815,6 +815,11 @@ GEN_VXFORM_NOA(vclzb, 1, 28) 
GEN_VXFORM_NOA(vclzh, 1, 29)

GEN_VXFORM_NOA(vclzw, 1, 30)

GEN_VXFORM_NOA(vclzd, 1, 31)

GEN_VXFORM_NOA_2(vextsb2w, 1, 24, 16)

GEN_VXFORM_NOA_2(vextsh2w, 1, 24, 17)

GEN_VXFORM_NOA_2(vextsb2d, 1, 24, 24)

GEN_VXFORM_NOA_2(vextsh2d, 1, 24, 25)

GEN_VXFORM_NOA_2(vextsw2d, 1, 24, 26)

GEN_VXFORM_NOA_2(vctzb, 1, 24, 28)

GEN_VXFORM_NOA_2(vctzh, 1, 24, 29)

GEN_VXFORM_NOA_2(vctzw, 1, 24, 30)

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

+5 −0
Original line number Diff line number Diff line
@@ -215,6 +215,11 @@ GEN_VXFORM_DUAL_INV(vspltish, vinserth, 6, 13, 0x00000000, 0x100000, 
GEN_VXFORM_DUAL_INV(vspltisw, vinsertw, 6, 14, 0x00000000, 0x100000,

                                               PPC_ALTIVEC),

GEN_VXFORM_300_EXT(vinsertd, 6, 15, 0x100000),

GEN_VXFORM_300_EO(vextsb2w, 0x01, 0x18, 0x10),

GEN_VXFORM_300_EO(vextsh2w, 0x01, 0x18, 0x11),

GEN_VXFORM_300_EO(vextsb2d, 0x01, 0x18, 0x18),

GEN_VXFORM_300_EO(vextsh2d, 0x01, 0x18, 0x19),

GEN_VXFORM_300_EO(vextsw2d, 0x01, 0x18, 0x1A),

GEN_VXFORM_300_EO(vctzb, 0x01, 0x18, 0x1C),

GEN_VXFORM_300_EO(vctzh, 0x01, 0x18, 0x1D),

GEN_VXFORM_300_EO(vctzw, 0x01, 0x18, 0x1E),