gcc/ChangeLog: 2020-01-16 Stam Markianos-Wright <stam.markianos-wright@arm.com> * config.gcc: Add arm_bf16.h. * config/arm/arm-builtins.c (arm_mangle_builtin_type): Fix comment. (arm_simd_builtin_std_type): Add BFmode. (arm_init_simd_builtin_types): Define element types for vector types. (arm_init_bf16_types): New function. (arm_init_builtins): Add arm_init_bf16_types function call. * config/arm/arm-modes.def: Add BFmode and V4BF, V8BF vector modes. * config/arm/arm-simd-builtin-types.def: Add V4BF, V8BF. * config/arm/arm.c (aapcs_vfp_sub_candidate): Add BFmode. (arm_hard_regno_mode_ok): Add BFmode and tidy up statements. (arm_vector_mode_supported_p): Add V4BF, V8BF. (arm_mangle_type): Add __bf16. * config/arm/arm.h: Add V4BF, V8BF to VALID_NEON_DREG_MODE, VALID_NEON_QREG_MODE respectively. Add export arm_bf16_type_node, arm_bf16_ptr_type_node. * config/arm/arm.md: Add BFmode to movhf expand, mov pattern and define_split between ARM registers. * config/arm/arm_bf16.h: New file. * config/arm/arm_neon.h: Add arm_bf16.h and Bfloat vector types. * config/arm/iterators.md: (ANY64_BF, VDXMOV, VHFBF, HFBF, fporbf): New. (VQXMOV): Add V8BF. * config/arm/neon.md: Add BF vector types to movhf NEON move patterns. * config/arm/vfp.md: Add BFmode to movhf patterns. gcc/testsuite/ChangeLog: 2020-01-16 Stam Markianos-Wright <stam.markianos-wright@arm.com> * g++.dg/abi/mangle-neon.C: Add BF16 SIMD types. * g++.dg/ext/arm-bf16/bf16-mangle-1.C: New test. * gcc.target/arm/bfloat16_scalar_1_1.c: New test. * gcc.target/arm/bfloat16_scalar_1_2.c: New test. * gcc.target/arm/bfloat16_scalar_2_1.c: New test. * gcc.target/arm/bfloat16_scalar_2_2.c: New test. * gcc.target/arm/bfloat16_scalar_3_1.c: New test. * gcc.target/arm/bfloat16_scalar_3_2.c: New test. * gcc.target/arm/bfloat16_scalar_4.c: New test. * gcc.target/arm/bfloat16_simd_1_1.c: New test. * gcc.target/arm/bfloat16_simd_1_2.c: New test. * gcc.target/arm/bfloat16_simd_2_1.c: New test. * gcc.target/arm/bfloat16_simd_2_2.c: New test. * gcc.target/arm/bfloat16_simd_3_1.c: New test. * gcc.target/arm/bfloat16_simd_3_2.c: New test.
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