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

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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: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Nikunj A Dadhania 2016-10-12 10:38:51 +05:30 committed by David Gibson
parent 74cba2b3b2
commit 125a9b2327
4 changed files with 30 additions and 0 deletions
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5
target-ppc/helper.h
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@ -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)

15
target-ppc/int_helper.c
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@ -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) \
{ \

5
target-ppc/translate/vmx-impl.inc.c
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@ -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)

5
target-ppc/translate/vmx-ops.inc.c
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@ -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),