From: Dennis Zhang Date: Fri, 21 Feb 2020 15:36:13 +0000 (+0000) Subject: arm: ACLE I8MM multiply-accumulate X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=436016f45694c7236e2e9f9db2adb0b4d9bf6b94;p=gcc.git arm: ACLE I8MM multiply-accumulate This patch adds intrinsics for matrix multiply-accumulate instructions including vmmlaq_s32, vmmlaq_u32, and vusmmlaq_s32. gcc/ChangeLog: 2020-02-21 Dennis Zhang * config/arm/arm_neon.h (vmmlaq_s32, vmmlaq_u32, vusmmlaq_s32): New. * config/arm/arm_neon_builtins.def (smmla, ummla, usmmla): New. * config/arm/iterators.md (MATMUL): New iterator. (sup): Add UNSPEC_MATMUL_S, UNSPEC_MATMUL_U, and UNSPEC_MATMUL_US. (mmla_sfx): New attribute. * config/arm/neon.md (neon_mmlav16qi): New. * config/arm/unspecs.md (UNSPEC_MATMUL_S, UNSPEC_MATMUL_U): New. (UNSPEC_MATMUL_US): New. gcc/testsuite/ChangeLog: 2020-02-21 Dennis Zhang * gcc.target/arm/simd/vmmla_1.c: New test. --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3d4d799ed5d..833fa6a8383 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,14 @@ +2020-02-21 Dennis Zhang + + * config/arm/arm_neon.h (vmmlaq_s32, vmmlaq_u32, vusmmlaq_s32): New. + * config/arm/arm_neon_builtins.def (smmla, ummla, usmmla): New. + * config/arm/iterators.md (MATMUL): New iterator. + (sup): Add UNSPEC_MATMUL_S, UNSPEC_MATMUL_U, and UNSPEC_MATMUL_US. + (mmla_sfx): New attribute. + * config/arm/neon.md (neon_mmlav16qi): New. + * config/arm/unspecs.md (UNSPEC_MATMUL_S, UNSPEC_MATMUL_U): New. + (UNSPEC_MATMUL_US): New. + 2020-02-21 Mihail-Calin Ionescu * config/arm/arm.md: Prevent scalar shifts from being used when big diff --git a/gcc/config/arm/arm_neon.h b/gcc/config/arm/arm_neon.h index 81f550988f7..e81681aa415 100644 --- a/gcc/config/arm/arm_neon.h +++ b/gcc/config/arm/arm_neon.h @@ -18791,6 +18791,34 @@ vsudotq_lane_s32 (int32x4_t __r, int8x16_t __a, #pragma GCC pop_options #endif +/* AdvSIMD 8-bit Integer Matrix Multiply (I8MM) intrinsics. */ + +#pragma GCC push_options +#pragma GCC target ("arch=armv8.2-a+i8mm") + +__extension__ extern __inline int32x4_t +__attribute__ ((__always_inline__, __gnu_inline__, __artificial__)) +vmmlaq_s32 (int32x4_t __r, int8x16_t __a, int8x16_t __b) +{ + return __builtin_neon_smmlav16qi (__r, __a, __b); +} + +__extension__ extern __inline uint32x4_t +__attribute__ ((__always_inline__, __gnu_inline__, __artificial__)) +vmmlaq_u32 (uint32x4_t __r, uint8x16_t __a, uint8x16_t __b) +{ + return __builtin_neon_ummlav16qi_uuuu (__r, __a, __b); +} + +__extension__ extern __inline int32x4_t +__attribute__ ((__always_inline__, __gnu_inline__, __artificial__)) +vusmmlaq_s32 (int32x4_t __r, uint8x16_t __a, int8x16_t __b) +{ + return __builtin_neon_usmmlav16qi_ssus (__r, __a, __b); +} + +#pragma GCC pop_options + #ifdef __cplusplus } #endif diff --git a/gcc/config/arm/arm_neon_builtins.def b/gcc/config/arm/arm_neon_builtins.def index b4537ff5de9..f4a97fd764c 100644 --- a/gcc/config/arm/arm_neon_builtins.def +++ b/gcc/config/arm/arm_neon_builtins.def @@ -377,3 +377,7 @@ VAR2 (MAC_LANE_PAIR, vcmlaq_lane0, v4sf, v8hf) VAR2 (MAC_LANE_PAIR, vcmlaq_lane90, v4sf, v8hf) VAR2 (MAC_LANE_PAIR, vcmlaq_lane180, v4sf, v8hf) VAR2 (MAC_LANE_PAIR, vcmlaq_lane270, v4sf, v8hf) + +VAR1 (TERNOP, smmla, v16qi) +VAR1 (UTERNOP, ummla, v16qi) +VAR1 (USTERNOP, usmmla, v16qi) diff --git a/gcc/config/arm/iterators.md b/gcc/config/arm/iterators.md index f8a76fb59cb..136c45274ae 100644 --- a/gcc/config/arm/iterators.md +++ b/gcc/config/arm/iterators.md @@ -487,6 +487,8 @@ (define_int_iterator VCADD [UNSPEC_VCADD90 UNSPEC_VCADD270]) (define_int_iterator VCMLA [UNSPEC_VCMLA UNSPEC_VCMLA90 UNSPEC_VCMLA180 UNSPEC_VCMLA270]) +(define_int_iterator MATMUL [UNSPEC_MATMUL_S UNSPEC_MATMUL_U UNSPEC_MATMUL_US]) + ;;---------------------------------------------------------------------------- ;; Mode attributes ;;---------------------------------------------------------------------------- @@ -942,6 +944,7 @@ (UNSPEC_DOT_S "s") (UNSPEC_DOT_U "u") (UNSPEC_DOT_US "us") (UNSPEC_DOT_SU "su") (UNSPEC_SSAT16 "s") (UNSPEC_USAT16 "u") + (UNSPEC_MATMUL_S "s") (UNSPEC_MATMUL_U "u") (UNSPEC_MATMUL_US "us") ]) (define_int_attr vfml_half @@ -1110,6 +1113,9 @@ (UNSPEC_SMUADX "smuadx") (UNSPEC_SSAT16 "ssat16") (UNSPEC_USAT16 "usat16")]) +(define_int_attr mmla_sfx [(UNSPEC_MATMUL_S "s8") (UNSPEC_MATMUL_U "u8") + (UNSPEC_MATMUL_US "s8")]) + ;; Both kinds of return insn. (define_code_iterator RETURNS [return simple_return]) (define_code_attr return_str [(return "") (simple_return "simple_")]) diff --git a/gcc/config/arm/neon.md b/gcc/config/arm/neon.md index 5d085dc6f61..039cd90c3da 100644 --- a/gcc/config/arm/neon.md +++ b/gcc/config/arm/neon.md @@ -6585,3 +6585,14 @@ if (BYTES_BIG_ENDIAN) "vabd. %0, %1, %2" [(set_attr "type" "neon_fp_abd_s")] ) + +(define_insn "neon_mmlav16qi" + [(set (match_operand:V4SI 0 "register_operand" "=w") + (plus:V4SI + (unspec:V4SI [(match_operand:V16QI 2 "register_operand" "w") + (match_operand:V16QI 3 "register_operand" "w")] MATMUL) + (match_operand:V4SI 1 "register_operand" "0")))] + "TARGET_I8MM" + "vmmla.\t%q0, %q2, %q3" + [(set_attr "type" "neon_mla_s_q")] +) diff --git a/gcc/config/arm/unspecs.md b/gcc/config/arm/unspecs.md index 2dd62467fe6..c8f3f95c7f3 100644 --- a/gcc/config/arm/unspecs.md +++ b/gcc/config/arm/unspecs.md @@ -503,4 +503,7 @@ UNSPEC_VCMLA90 UNSPEC_VCMLA180 UNSPEC_VCMLA270 + UNSPEC_MATMUL_S + UNSPEC_MATMUL_U + UNSPEC_MATMUL_US ]) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 01da6fb33ce..b608a1aa83b 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2020-02-21 Dennis Zhang + + * gcc.target/arm/simd/vmmla_1.c: New test. + 2020-02-21 Mihail-Calin Ionescu * gcc.target/arm/armv8_1m-shift-imm-1.c: Add MVE target checks. diff --git a/gcc/testsuite/gcc.target/arm/simd/vmmla_1.c b/gcc/testsuite/gcc.target/arm/simd/vmmla_1.c new file mode 100644 index 00000000000..b766a9141ce --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/simd/vmmla_1.c @@ -0,0 +1,28 @@ +/* { dg-do assemble } */ +/* { dg-require-effective-target arm_v8_2a_i8mm_ok } */ +/* { dg-options "-save-temps -O2" } */ +/* { dg-additional-options "-march=armv8.2-a+i8mm" } */ + +#include "arm_neon.h" + +int32x4_t +test_vmmlaq_s32 (int32x4_t r, int8x16_t a, int8x16_t b) +{ + return vmmlaq_s32 (r, a, b); +} + +uint32x4_t +test_vmmlaq_u32 (uint32x4_t r, uint8x16_t a, uint8x16_t b) +{ + return vmmlaq_u32 (r, a, b); +} + +int32x4_t +test_vusmmlaq_s32 (int32x4_t r, uint8x16_t a, int8x16_t b) +{ + return vusmmlaq_s32 (r, a, b); +} + +/* { dg-final { scan-assembler-times {\tvsmmla.s8\tq[0-9]+, q[0-9]+, q[0-9]+} 1 } } */ +/* { dg-final { scan-assembler-times {\tvummla.u8\tq[0-9]+, q[0-9]+, q[0-9]+} 1 } } */ +/* { dg-final { scan-assembler-times {\tvusmmla.s8\tq[0-9]+, q[0-9]+, q[0-9]+} 1 } } */