mirror of https://github.com/xemu-project/xemu.git
target-ppc: implement vnegw/d instructions
Vector Integer Negate Instructions: vnegw: Vector Negate Word vnegd: Vector Negate Doubleword Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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@ -272,6 +272,8 @@ DEF_HELPER_2(vextsh2w, void, avr, avr)
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DEF_HELPER_2(vextsb2d, void, avr, avr)
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DEF_HELPER_2(vextsh2d, void, avr, avr)
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DEF_HELPER_2(vextsw2d, void, avr, avr)
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DEF_HELPER_2(vnegw, void, avr, avr)
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DEF_HELPER_2(vnegd, void, avr, avr)
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DEF_HELPER_2(vupkhpx, void, avr, avr)
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DEF_HELPER_2(vupklpx, void, avr, avr)
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DEF_HELPER_2(vupkhsb, void, avr, avr)
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@ -1949,6 +1949,18 @@ VEXT_SIGNED(vextsh2d, s64, UINT16_MAX, int16_t, int64_t)
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VEXT_SIGNED(vextsw2d, s64, UINT32_MAX, int32_t, int64_t)
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#undef VEXT_SIGNED
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#define VNEG(name, element) \
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void helper_##name(ppc_avr_t *r, ppc_avr_t *b) \
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{ \
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int i; \
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VECTOR_FOR_INORDER_I(i, element) { \
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r->element[i] = -b->element[i]; \
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} \
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}
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VNEG(vnegw, s32)
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VNEG(vnegd, s64)
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#undef VNEG
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#define VSPLTI(suffix, element, splat_type) \
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void helper_vspltis##suffix(ppc_avr_t *r, uint32_t splat) \
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{ \
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@ -815,6 +815,8 @@ GEN_VXFORM_NOA(vclzb, 1, 28)
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GEN_VXFORM_NOA(vclzh, 1, 29)
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GEN_VXFORM_NOA(vclzw, 1, 30)
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GEN_VXFORM_NOA(vclzd, 1, 31)
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GEN_VXFORM_NOA_2(vnegw, 1, 24, 6)
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GEN_VXFORM_NOA_2(vnegd, 1, 24, 7)
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GEN_VXFORM_NOA_2(vextsb2w, 1, 24, 16)
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GEN_VXFORM_NOA_2(vextsh2w, 1, 24, 17)
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GEN_VXFORM_NOA_2(vextsb2d, 1, 24, 24)
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@ -215,6 +215,8 @@ GEN_VXFORM_DUAL_INV(vspltish, vinserth, 6, 13, 0x00000000, 0x100000,
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GEN_VXFORM_DUAL_INV(vspltisw, vinsertw, 6, 14, 0x00000000, 0x100000,
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PPC_ALTIVEC),
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GEN_VXFORM_300_EXT(vinsertd, 6, 15, 0x100000),
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GEN_VXFORM_300_EO(vnegw, 0x01, 0x18, 0x06),
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GEN_VXFORM_300_EO(vnegd, 0x01, 0x18, 0x07),
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GEN_VXFORM_300_EO(vextsb2w, 0x01, 0x18, 0x10),
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GEN_VXFORM_300_EO(vextsh2w, 0x01, 0x18, 0x11),
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GEN_VXFORM_300_EO(vextsb2d, 0x01, 0x18, 0x18),
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