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Implement vstr?q_scatter_shifted_offset intrinsics using the MVE builtins framework. We use the same approach as the previous patch, and we now have four sets of patterns: - vector scatter stores with shifted offset (non-truncating) - predicated vector scatter stores with shifted offset (non-truncating) - truncating vector scatter stores with shifted offset - predicated truncating vector scatter stores with shifted offset Note that the truncating patterns do not use an iterator since there is only one such variant: V4SI to V4HI. We need to introduce new iterators: - MVE_VLD_ST_scatter_shifted, same as MVE_VLD_ST_scatter without V16QI - MVE_scatter_shift to map the mode to the shift amount gcc/ChangeLog: * config/arm/arm-builtins.cc (arm_strss_qualifiers) (arm_strsu_qualifiers, arm_strsu_p_qualifiers) (arm_strss_p_qualifiers): Delete. * config/arm/arm-mve-builtins-base.cc (class vstrq_scatter_impl): Add support for shifted version. (vstrdq_scatter_shifted, vstrhq_scatter_shifted) (vstrwq_scatter_shifted): New. * config/arm/arm-mve-builtins-base.def (vstrhq_scatter_shifted) (vstrwq_scatter_shifted, vstrdq_scatter_shifted): New. * config/arm/arm-mve-builtins-base.h (vstrhq_scatter_shifted) (vstrwq_scatter_shifted, vstrdq_scatter_shifted): New. * config/arm/arm_mve.h (vstrhq_scatter_shifted_offset): Delete. (vstrhq_scatter_shifted_offset_p): Delete. (vstrdq_scatter_shifted_offset_p): Delete. (vstrdq_scatter_shifted_offset): Delete. (vstrwq_scatter_shifted_offset_p): Delete. (vstrwq_scatter_shifted_offset): Delete. (vstrhq_scatter_shifted_offset_s32): Delete. (vstrhq_scatter_shifted_offset_s16): Delete. (vstrhq_scatter_shifted_offset_u32): Delete. (vstrhq_scatter_shifted_offset_u16): Delete. (vstrhq_scatter_shifted_offset_p_s32): Delete. (vstrhq_scatter_shifted_offset_p_s16): Delete. (vstrhq_scatter_shifted_offset_p_u32): Delete. (vstrhq_scatter_shifted_offset_p_u16): Delete. (vstrdq_scatter_shifted_offset_p_s64): Delete. (vstrdq_scatter_shifted_offset_p_u64): Delete. (vstrdq_scatter_shifted_offset_s64): Delete. (vstrdq_scatter_shifted_offset_u64): Delete. (vstrhq_scatter_shifted_offset_f16): Delete. (vstrhq_scatter_shifted_offset_p_f16): Delete. (vstrwq_scatter_shifted_offset_f32): Delete. (vstrwq_scatter_shifted_offset_p_f32): Delete. (vstrwq_scatter_shifted_offset_p_s32): Delete. (vstrwq_scatter_shifted_offset_p_u32): Delete. (vstrwq_scatter_shifted_offset_s32): Delete. (vstrwq_scatter_shifted_offset_u32): Delete. (__arm_vstrhq_scatter_shifted_offset_s32): Delete. (__arm_vstrhq_scatter_shifted_offset_s16): Delete. (__arm_vstrhq_scatter_shifted_offset_u32): Delete. (__arm_vstrhq_scatter_shifted_offset_u16): Delete. (__arm_vstrhq_scatter_shifted_offset_p_s32): Delete. (__arm_vstrhq_scatter_shifted_offset_p_s16): Delete. (__arm_vstrhq_scatter_shifted_offset_p_u32): Delete. (__arm_vstrhq_scatter_shifted_offset_p_u16): Delete. (__arm_vstrdq_scatter_shifted_offset_p_s64): Delete. (__arm_vstrdq_scatter_shifted_offset_p_u64): Delete. (__arm_vstrdq_scatter_shifted_offset_s64): Delete. (__arm_vstrdq_scatter_shifted_offset_u64): Delete. (__arm_vstrwq_scatter_shifted_offset_p_s32): Delete. (__arm_vstrwq_scatter_shifted_offset_p_u32): Delete. (__arm_vstrwq_scatter_shifted_offset_s32): Delete. (__arm_vstrwq_scatter_shifted_offset_u32): Delete. (__arm_vstrhq_scatter_shifted_offset_f16): Delete. (__arm_vstrhq_scatter_shifted_offset_p_f16): Delete. (__arm_vstrwq_scatter_shifted_offset_f32): Delete. (__arm_vstrwq_scatter_shifted_offset_p_f32): Delete. (__arm_vstrhq_scatter_shifted_offset): Delete. (__arm_vstrhq_scatter_shifted_offset_p): Delete. (__arm_vstrdq_scatter_shifted_offset_p): Delete. (__arm_vstrdq_scatter_shifted_offset): Delete. (__arm_vstrwq_scatter_shifted_offset_p): Delete. (__arm_vstrwq_scatter_shifted_offset): Delete. * config/arm/arm_mve_builtins.def (vstrhq_scatter_shifted_offset_p_u) (vstrhq_scatter_shifted_offset_u) (vstrhq_scatter_shifted_offset_p_s) (vstrhq_scatter_shifted_offset_s, vstrdq_scatter_shifted_offset_s) (vstrhq_scatter_shifted_offset_f, vstrwq_scatter_shifted_offset_f) (vstrwq_scatter_shifted_offset_s) (vstrdq_scatter_shifted_offset_p_s) (vstrhq_scatter_shifted_offset_p_f) (vstrwq_scatter_shifted_offset_p_f) (vstrwq_scatter_shifted_offset_p_s) (vstrdq_scatter_shifted_offset_u, vstrwq_scatter_shifted_offset_u) (vstrdq_scatter_shifted_offset_p_u) (vstrwq_scatter_shifted_offset_p_u): Delete. * config/arm/iterators.md (MVE_VLD_ST_scatter_shifted): New. (MVE_scatter_shift): New. (supf): Remove VSTRHQSSO_S, VSTRHQSSO_U, VSTRDQSSO_S, VSTRDQSSO_U, VSTRWQSSO_U, VSTRWQSSO_S. (VSTRHSSOQ, VSTRDSSOQ, VSTRWSSOQ): Delete. * config/arm/mve.md (mve_vstrhq_scatter_shifted_offset_p_<supf><mode>): Delete. (mve_vstrhq_scatter_shifted_offset_p_<supf><mode>_insn): Delete. (mve_vstrhq_scatter_shifted_offset_<supf><mode>): Delete. (mve_vstrhq_scatter_shifted_offset_<supf><mode>_insn): Delete. (mve_vstrdq_scatter_shifted_offset_p_<supf>v2di): Delete. (mve_vstrdq_scatter_shifted_offset_p_<supf>v2di_insn): Delete. (mve_vstrdq_scatter_shifted_offset_<supf>v2di): Delete. (mve_vstrdq_scatter_shifted_offset_<supf>v2di_insn): Delete. (mve_vstrhq_scatter_shifted_offset_fv8hf): Delete. (mve_vstrhq_scatter_shifted_offset_fv8hf_insn): Delete. (mve_vstrhq_scatter_shifted_offset_p_fv8hf): Delete. (mve_vstrhq_scatter_shifted_offset_p_fv8hf_insn): Delete. (mve_vstrwq_scatter_shifted_offset_fv4sf): Delete. (mve_vstrwq_scatter_shifted_offset_fv4sf_insn): Delete. (mve_vstrwq_scatter_shifted_offset_p_fv4sf): Delete. (mve_vstrwq_scatter_shifted_offset_p_fv4sf_insn): Delete. (mve_vstrwq_scatter_shifted_offset_p_<supf>v4si): Delete. (mve_vstrwq_scatter_shifted_offset_p_<supf>v4si_insn): Delete. (mve_vstrwq_scatter_shifted_offset_<supf>v4si): Delete. (mve_vstrwq_scatter_shifted_offset_<supf>v4si_insn): Delete. (@mve_vstrq_scatter_shifted_offset_<mode>): New. (@mve_vstrq_scatter_shifted_offset_p_<mode>): New. (mve_vstrq_truncate_scatter_shifted_offset_v4si): New. (mve_vstrq_truncate_scatter_shifted_offset_p_v4si): New. * config/arm/unspecs.md (VSTRDQSSO_S, VSTRDQSSO_U, VSTRWQSSO_S) (VSTRWQSSO_U, VSTRHQSSO_F, VSTRWQSSO_F, VSTRHQSSO_S, VSTRHQSSO_U): Delete. (VSTRSSOQ, VSTRSSOQ_P, VSTRSSOQ_TRUNC, VSTRSSOQ_TRUNC_P): New.
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