diff --git a/gcc/config/aarch64/aarch64-simd-builtins.def b/gcc/config/aarch64/aarch64-simd-builtins.def index ba2bda26dcdd4947dc724851433451433d378724..05726db1f6137f9ab29fcdd51f804199e24bbfcf 100644 --- a/gcc/config/aarch64/aarch64-simd-builtins.def +++ b/gcc/config/aarch64/aarch64-simd-builtins.def @@ -718,6 +718,10 @@ VAR1 (QUADOP_LANE, bfmlalb_lane_q, 0, v4sf) VAR1 (QUADOP_LANE, bfmlalt_lane_q, 0, v4sf) + /* Implemented by aarch64_vget_lo/hi_halfv8bf. */ + VAR1 (UNOP, vget_lo_half, 0, v8bf) + VAR1 (UNOP, vget_hi_half, 0, v8bf) + /* Implemented by aarch64_simd_mmlav16qi. */ VAR1 (TERNOP, simd_smmla, 0, v16qi) VAR1 (TERNOPU, simd_ummla, 0, v16qi) diff --git a/gcc/config/aarch64/aarch64-simd.md b/gcc/config/aarch64/aarch64-simd.md index 9f0e2bd1e6ff5246f84e919402c687687a84beb8..43ac3cd40fe8379567b7a60772f360d37818e8e9 100644 --- a/gcc/config/aarch64/aarch64-simd.md +++ b/gcc/config/aarch64/aarch64-simd.md @@ -7159,6 +7159,27 @@ [(set_attr "type" "neon_dot")] ) +;; vget_low/high_bf16 +(define_expand "aarch64_vget_lo_halfv8bf" + [(match_operand:V4BF 0 "register_operand") + (match_operand:V8BF 1 "register_operand")] + "TARGET_BF16_SIMD" +{ + rtx p = aarch64_simd_vect_par_cnst_half (V8BFmode, 8, false); + emit_insn (gen_aarch64_get_halfv8bf (operands[0], operands[1], p)); + DONE; +}) + +(define_expand "aarch64_vget_hi_halfv8bf" + [(match_operand:V4BF 0 "register_operand") + (match_operand:V8BF 1 "register_operand")] + "TARGET_BF16_SIMD" +{ + rtx p = aarch64_simd_vect_par_cnst_half (V8BFmode, 8, true); + emit_insn (gen_aarch64_get_halfv8bf (operands[0], operands[1], p)); + DONE; +}) + ;; bfmmla (define_insn "aarch64_bfmmlaqv4sf" [(set (match_operand:V4SF 0 "register_operand" "=w") diff --git a/gcc/config/aarch64/arm_neon.h b/gcc/config/aarch64/arm_neon.h index 95bfa5ebba21b739ee3c84e3971337646f8881d4..0fd78a6fd076f788d2618c492a026246e61e438c 100644 --- a/gcc/config/aarch64/arm_neon.h +++ b/gcc/config/aarch64/arm_neon.h @@ -35680,6 +35680,20 @@ vbfmlaltq_laneq_f32 (float32x4_t __r, bfloat16x8_t __a, bfloat16x8_t __b, return __builtin_aarch64_bfmlalt_lane_qv4sf (__r, __a, __b, __index); } +__extension__ extern __inline bfloat16x4_t +__attribute__ ((__always_inline__, __gnu_inline__, __artificial__)) +vget_low_bf16 (bfloat16x8_t __a) +{ + return __builtin_aarch64_vget_lo_halfv8bf (__a); +} + +__extension__ extern __inline bfloat16x4_t +__attribute__ ((__always_inline__, __gnu_inline__, __artificial__)) +vget_high_bf16 (bfloat16x8_t __a) +{ + return __builtin_aarch64_vget_hi_halfv8bf (__a); +} + __extension__ extern __inline bfloat16x4_t __attribute__ ((__always_inline__, __gnu_inline__, __artificial__)) vcvt_bf16_f32 (float32x4_t __a) diff --git a/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/bf16_get.c b/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/bf16_get.c new file mode 100644 index 0000000000000000000000000000000000000000..2193753ffbb6246aa16eb5033559b21266a556a6 --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/bf16_get.c @@ -0,0 +1,27 @@ +/* { dg-do assemble { target { aarch64*-*-* } } } */ +/* { dg-require-effective-target arm_v8_2a_bf16_neon_ok } */ +/* { dg-add-options arm_v8_2a_bf16_neon } */ +/* { dg-additional-options "-save-temps" } */ +/* { dg-final { check-function-bodies "**" "" {-O[^0]} } } */ +/* { dg-skip-if "" { *-*-* } { "-fno-fat-lto-objects" } } */ + +#include + +/* +**test_vget_low_bf16: +** ret +*/ +bfloat16x4_t test_vget_low_bf16 (bfloat16x8_t a) +{ + return vget_low_bf16 (a); +} + +/* +**test_vget_high_bf16: +** dup d0, v0.d\[1\] +** ret +*/ +bfloat16x4_t test_vget_high_bf16 (bfloat16x8_t a) +{ + return vget_high_bf16 (a); +}