+2020-03-06 Delia Burduv <delia.burduv@arm.com>
+
+ * config/aarch64/aarch64-simd-builtins.def
+ (bfcvtn): New built-in function.
+ (bfcvtn_q): New built-in function.
+ (bfcvtn2): New built-in function.
+ (bfcvt): New built-in function.
+ * config/aarch64/aarch64-simd.md
+ (aarch64_bfcvtn<q><mode>): New pattern.
+ (aarch64_bfcvtn2v8bf): New pattern.
+ (aarch64_bfcvtbf): New pattern.
+ * config/aarch64/arm_bf16.h (float32_t): New typedef.
+ (vcvth_bf16_f32): New intrinsic.
+ * config/aarch64/arm_bf16.h (vcvt_bf16_f32): New intrinsic.
+ (vcvtq_low_bf16_f32): New intrinsic.
+ (vcvtq_high_bf16_f32): New intrinsic.
+ * config/aarch64/iterators.md (V4SF_TO_BF): New mode iterator.
+ (UNSPEC_BFCVTN): New UNSPEC.
+ (UNSPEC_BFCVTN2): New UNSPEC.
+ (UNSPEC_BFCVT): New UNSPEC.
+ * config/arm/types.md (bf_cvt): New type.
+
2020-03-05 H.J. Lu <hongjiu.lu@intel.com>
PR target/89229
VAR1 (TERNOP, simd_smmla, 0, v16qi)
VAR1 (TERNOPU, simd_ummla, 0, v16qi)
VAR1 (TERNOP_SSUS, simd_usmmla, 0, v16qi)
+
+ /* Implemented by aarch64_bfcvtn{q}{2}<mode> */
+ VAR1 (UNOP, bfcvtn, 0, v4bf)
+ VAR1 (UNOP, bfcvtn_q, 0, v8bf)
+ VAR1 (BINOP, bfcvtn2, 0, v8bf)
+ VAR1 (UNOP, bfcvt, 0, bf)
"<sur>mmla\\t%0.4s, %2.16b, %3.16b"
[(set_attr "type" "neon_mla_s_q")]
)
+
+;; bfcvtn
+(define_insn "aarch64_bfcvtn<q><mode>"
+ [(set (match_operand:V4SF_TO_BF 0 "register_operand" "=w")
+ (unspec:V4SF_TO_BF [(match_operand:V4SF 1 "register_operand" "w")]
+ UNSPEC_BFCVTN))]
+ "TARGET_BF16_SIMD"
+ "bfcvtn\\t%0.4h, %1.4s"
+ [(set_attr "type" "neon_fp_cvt_narrow_s_q")]
+)
+
+(define_insn "aarch64_bfcvtn2v8bf"
+ [(set (match_operand:V8BF 0 "register_operand" "=w")
+ (unspec:V8BF [(match_operand:V8BF 1 "register_operand" "0")
+ (match_operand:V4SF 2 "register_operand" "w")]
+ UNSPEC_BFCVTN2))]
+ "TARGET_BF16_SIMD"
+ "bfcvtn2\\t%0.8h, %2.4s"
+ [(set_attr "type" "neon_fp_cvt_narrow_s_q")]
+)
+
+(define_insn "aarch64_bfcvtbf"
+ [(set (match_operand:BF 0 "register_operand" "=w")
+ (unspec:BF [(match_operand:SF 1 "register_operand" "w")]
+ UNSPEC_BFCVT))]
+ "TARGET_BF16_FP"
+ "bfcvt\\t%h0, %s1"
+ [(set_attr "type" "f_cvt")]
+)
#define _AARCH64_BF16_H_
typedef __bf16 bfloat16_t;
+typedef float float32_t;
+
+#pragma GCC push_options
+#pragma GCC target ("+nothing+bf16+nosimd")
+
+__extension__ extern __inline bfloat16_t
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+vcvth_bf16_f32 (float32_t __a)
+{
+ return __builtin_aarch64_bfcvtbf (__a);
+}
+
+#pragma GCC pop_options
#endif
return __builtin_aarch64_bfmlalt_lane_qv4sf (__r, __a, __b, __index);
}
+__extension__ extern __inline bfloat16x4_t
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+vcvt_bf16_f32 (float32x4_t __a)
+{
+ return __builtin_aarch64_bfcvtnv4bf (__a);
+}
+
+__extension__ extern __inline bfloat16x8_t
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+vcvtq_low_bf16_f32 (float32x4_t __a)
+{
+ return __builtin_aarch64_bfcvtn_qv8bf (__a);
+}
+
+__extension__ extern __inline bfloat16x8_t
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+vcvtq_high_bf16_f32 (bfloat16x8_t __inactive, float32x4_t __a)
+{
+ return __builtin_aarch64_bfcvtn2v8bf (__inactive, __a);
+}
+
#pragma GCC pop_options
/* AdvSIMD 8-bit Integer Matrix Multiply (I8MM) intrinsics. */
;; SVE predicate modes that control 16-bit, 32-bit or 64-bit elements.
(define_mode_iterator PRED_HSD [VNx8BI VNx4BI VNx2BI])
+;; Bfloat16 modes to which V4SF can be converted
+(define_mode_iterator V4SF_TO_BF [V4BF V8BF])
+
;; ------------------------------------------------------------------
;; Unspec enumerations for Advance SIMD. These could well go into
;; aarch64.md but for their use in int_iterators here.
UNSPEC_BFMLALB ; Used in aarch64-sve.md.
UNSPEC_BFMLALT ; Used in aarch64-sve.md.
UNSPEC_BFMMLA ; Used in aarch64-sve.md.
+ UNSPEC_BFCVTN ; Used in aarch64-simd.md.
+ UNSPEC_BFCVTN2 ; Used in aarch64-simd.md.
+ UNSPEC_BFCVT ; Used in aarch64-simd.md.
])
;; ------------------------------------------------------------------
+2020-03-06 Delia Burduv <delia.burduv@arm.com>
+
+ * gcc.target/aarch64/advsimd-intrinsics/bfcvt-compile.c: New test.
+ * gcc.target/aarch64/advsimd-intrinsics/bfcvt-nobf16.c: New test.
+ * gcc.target/aarch64/advsimd-intrinsics/bfcvt-nosimd.c: New test.
+ * gcc.target/aarch64/advsimd-intrinsics/bfcvtnq2-untied.c: New test.
+
2020-03-06 Kito Cheng <kito.cheng@sifive.com>
PR tree-optimization/90883
--- /dev/null
+/* { 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 <arm_neon.h>
+
+/*
+**test_bfcvtn:
+** bfcvtn v0.4h, v0.4s
+** ret
+*/
+bfloat16x4_t test_bfcvtn (float32x4_t a)
+{
+ return vcvt_bf16_f32 (a);
+}
+
+/*
+**test_bfcvtnq:
+** bfcvtn v0.4h, v0.4s
+** ret
+*/
+bfloat16x8_t test_bfcvtnq (float32x4_t a)
+{
+ return vcvtq_low_bf16_f32 (a);
+}
+
+/*
+**test_bfcvtnq2:
+** bfcvtn2 v0.8h, v1.4s
+** ret
+*/
+bfloat16x8_t test_bfcvtnq2 (bfloat16x8_t inactive, float32x4_t a)
+{
+ return vcvtq_high_bf16_f32 (inactive, a);
+}
+
+/*
+**test_bfcvt:
+** bfcvt h0, s0
+** ret
+*/
+bfloat16_t test_bfcvt (float32_t a)
+{
+ return vcvth_bf16_f32 (a);
+}
--- /dev/null
+/* { dg-do assemble { target { aarch64*-*-* } } } */
+/* { dg-additional-options "-march=armv8.2-a+nobf16" } */
+
+#include <arm_neon.h>
+
+bfloat16_t test_bfcvt (float32_t a)
+{
+ /* { dg-error "inlining failed .* 'vcvth_bf16_f32" "" { target *-*-* } 0 } */
+ return vcvth_bf16_f32 (a);
+}
--- /dev/null
+/* { dg-do assemble { target { aarch64*-*-* } } } */
+/* { dg-require-effective-target aarch64_asm_bf16_ok } */
+/* { dg-additional-options "-save-temps -march=armv8.2-a+bf16+nosimd" } */
+/* { dg-final { check-function-bodies "**" "" "-O[^0]" } } */
+
+#include <arm_neon.h>
+
+/*
+**test_bfcvt:
+** bfcvt h0, s0
+** ret
+*/
+bfloat16_t test_bfcvt (float32_t a)
+{
+ return vcvth_bf16_f32 (a);
+}
--- /dev/null
+/* { dg-do assemble { target { aarch64*-*-* } } } */
+/* { dg-additional-options "-march=armv8.2-a+nobf16" } */
+
+#include <arm_neon.h>
+
+bfloat16x4_t test_bfcvtn (float32x4_t a)
+{
+ /* { dg-error "inlining failed .* 'vcvt_bf16_f32" "" { target *-*-* } 0 } */
+ return vcvt_bf16_f32 (a);
+}
--- /dev/null
+/* { 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 <arm_neon.h>
+
+/*
+**test_bfcvtnq2_untied:
+** mov v0.16b, v1.16b
+** bfcvtn2 v0.8h, v2.4s
+** ret
+*/
+bfloat16x8_t test_bfcvtnq2_untied (bfloat16x8_t unused, bfloat16x8_t inactive,
+ float32x4_t a)
+{
+ return vcvtq_high_bf16_f32 (inactive, a);
+}
projects / gcc.git / commitdiff