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author | Jonathan Wright <jonathan.wright@arm.com> | 2021-01-27 14:55:45 +0000 |
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committer | Jonathan Wright <jonathan.wright@arm.com> | 2021-02-03 13:33:50 +0000 |
commit | 719877b079678f68f8acb3b4202432e93cd2c5a0 (patch) | |
tree | 5b4ec735ba9b6a1183f1f383fdff5073073543b5 /gcc | |
parent | 6dc82826ba61b25855e5a79f4479d009395a7299 (diff) | |
download | gcc-719877b079678f68f8acb3b4202432e93cd2c5a0.zip gcc-719877b079678f68f8acb3b4202432e93cd2c5a0.tar.gz gcc-719877b079678f68f8acb3b4202432e93cd2c5a0.tar.bz2 |
aarch64: Use RTL builtins for [su]mlal_high intrinsics
Rewrite [su]mlal_high Neon intrinsics to use RTL builtins rather than
inline assembly code, allowing for better scheduling and
optimization.
gcc/ChangeLog:
2021-01-27 Jonathan Wright <jonathan.wright@arm.com>
* config/aarch64/aarch64-simd-builtins.def: Add RTL builtin
generator macros.
* config/aarch64/aarch64-simd.md (*aarch64_<su>mlal_hi<mode>):
Rename to...
(aarch64_<su>mlal_hi<mode>_insn): This.
(aarch64_<su>mlal_hi<mode>): Define.
* config/aarch64/arm_neon.h (vmlal_high_s8): Use RTL builtin
instead of inline asm.
(vmlal_high_s16): Likewise.
(vmlal_high_s32): Likewise.
(vmlal_high_u8): Likewise.
(vmlal_high_u16): Likewise.
(vmlal_high_u32): Likewise.
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/config/aarch64/aarch64-simd-builtins.def | 4 | ||||
-rw-r--r-- | gcc/config/aarch64/aarch64-simd.md | 16 | ||||
-rw-r--r-- | gcc/config/aarch64/arm_neon.h | 42 |
3 files changed, 25 insertions, 37 deletions
diff --git a/gcc/config/aarch64/aarch64-simd-builtins.def b/gcc/config/aarch64/aarch64-simd-builtins.def index 48e481c..8cf5737 100644 --- a/gcc/config/aarch64/aarch64-simd-builtins.def +++ b/gcc/config/aarch64/aarch64-simd-builtins.def @@ -240,6 +240,10 @@ BUILTIN_VQW (TERNOP, smlsl_hi, 0, NONE) BUILTIN_VQW (TERNOPU, umlsl_hi, 0, NONE) + /* Implemented by aarch64_<su>mlal_hi<mode>. */ + BUILTIN_VQW (TERNOP, smlal_hi, 0, NONE) + BUILTIN_VQW (TERNOPU, umlal_hi, 0, NONE) + BUILTIN_VSQN_HSDI (UNOPUS, sqmovun, 0, NONE) /* Implemented by aarch64_sqxtun2<mode>. */ diff --git a/gcc/config/aarch64/aarch64-simd.md b/gcc/config/aarch64/aarch64-simd.md index 767d673..d10cc2a 100644 --- a/gcc/config/aarch64/aarch64-simd.md +++ b/gcc/config/aarch64/aarch64-simd.md @@ -1976,7 +1976,7 @@ [(set_attr "type" "neon_mla_<Vetype>_long")] ) -(define_insn "*aarch64_<su>mlal_hi<mode>" +(define_insn "aarch64_<su>mlal_hi<mode>_insn" [(set (match_operand:<VWIDE> 0 "register_operand" "=w") (plus:<VWIDE> (mult:<VWIDE> @@ -1992,6 +1992,20 @@ [(set_attr "type" "neon_mla_<Vetype>_long")] ) +(define_expand "aarch64_<su>mlal_hi<mode>" + [(match_operand:<VWIDE> 0 "register_operand") + (match_operand:<VWIDE> 1 "register_operand") + (ANY_EXTEND:<VWIDE>(match_operand:VQW 2 "register_operand")) + (match_operand:VQW 3 "register_operand")] + "TARGET_SIMD" +{ + rtx p = aarch64_simd_vect_par_cnst_half (<MODE>mode, <nunits>, true); + emit_insn (gen_aarch64_<su>mlal_hi<mode>_insn (operands[0], operands[1], + operands[2], p, operands[3])); + DONE; +} +) + (define_insn "*aarch64_<su>mlsl_lo<mode>" [(set (match_operand:<VWIDE> 0 "register_operand" "=w") (minus:<VWIDE> diff --git a/gcc/config/aarch64/arm_neon.h b/gcc/config/aarch64/arm_neon.h index 4b905d9..e994aa1 100644 --- a/gcc/config/aarch64/arm_neon.h +++ b/gcc/config/aarch64/arm_neon.h @@ -7316,72 +7316,42 @@ __extension__ extern __inline int16x8_t __attribute__ ((__always_inline__, __gnu_inline__, __artificial__)) vmlal_high_s8 (int16x8_t __a, int8x16_t __b, int8x16_t __c) { - int16x8_t __result; - __asm__ ("smlal2 %0.8h,%2.16b,%3.16b" - : "=w"(__result) - : "0"(__a), "w"(__b), "w"(__c) - : /* No clobbers */); - return __result; + return __builtin_aarch64_smlal_hiv16qi (__a, __b, __c); } __extension__ extern __inline int32x4_t __attribute__ ((__always_inline__, __gnu_inline__, __artificial__)) vmlal_high_s16 (int32x4_t __a, int16x8_t __b, int16x8_t __c) { - int32x4_t __result; - __asm__ ("smlal2 %0.4s,%2.8h,%3.8h" - : "=w"(__result) - : "0"(__a), "w"(__b), "w"(__c) - : /* No clobbers */); - return __result; + return __builtin_aarch64_smlal_hiv8hi (__a, __b, __c); } __extension__ extern __inline int64x2_t __attribute__ ((__always_inline__, __gnu_inline__, __artificial__)) vmlal_high_s32 (int64x2_t __a, int32x4_t __b, int32x4_t __c) { - int64x2_t __result; - __asm__ ("smlal2 %0.2d,%2.4s,%3.4s" - : "=w"(__result) - : "0"(__a), "w"(__b), "w"(__c) - : /* No clobbers */); - return __result; + return __builtin_aarch64_smlal_hiv4si (__a, __b, __c); } __extension__ extern __inline uint16x8_t __attribute__ ((__always_inline__, __gnu_inline__, __artificial__)) vmlal_high_u8 (uint16x8_t __a, uint8x16_t __b, uint8x16_t __c) { - uint16x8_t __result; - __asm__ ("umlal2 %0.8h,%2.16b,%3.16b" - : "=w"(__result) - : "0"(__a), "w"(__b), "w"(__c) - : /* No clobbers */); - return __result; + return __builtin_aarch64_umlal_hiv16qi_uuuu (__a, __b, __c); } __extension__ extern __inline uint32x4_t __attribute__ ((__always_inline__, __gnu_inline__, __artificial__)) vmlal_high_u16 (uint32x4_t __a, uint16x8_t __b, uint16x8_t __c) { - uint32x4_t __result; - __asm__ ("umlal2 %0.4s,%2.8h,%3.8h" - : "=w"(__result) - : "0"(__a), "w"(__b), "w"(__c) - : /* No clobbers */); - return __result; + return __builtin_aarch64_umlal_hiv8hi_uuuu (__a, __b, __c); } __extension__ extern __inline uint64x2_t __attribute__ ((__always_inline__, __gnu_inline__, __artificial__)) vmlal_high_u32 (uint64x2_t __a, uint32x4_t __b, uint32x4_t __c) { - uint64x2_t __result; - __asm__ ("umlal2 %0.2d,%2.4s,%3.4s" - : "=w"(__result) - : "0"(__a), "w"(__b), "w"(__c) - : /* No clobbers */); - return __result; + return __builtin_aarch64_umlal_hiv4si_uuuu (__a, __b, __c); } __extension__ extern __inline int32x4_t |