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i386: Support vectorized BF16 FMA with AVX10.2 instructions

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gcc/ChangeLog:

	* config/i386/sse.md: Add V8BF/V16BF/V32BF to mode iterator FMAMODEM.

gcc/testsuite/ChangeLog:

	* gcc.target/i386/avx10_2-512-bf-vector-fma-1.c: New test.
	* gcc.target/i386/avx10_2-bf-vector-fma-1.c: New test.
This commit is contained in:
Levy Hsu 2024-09-02 10:24:46 +08:00 committed by Haochen Jiang
parent f82fa0da4d
commit 6d294fb8ac
3 changed files with 101 additions and 1 deletions
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5
gcc/config/i386/sse.md
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@ -5677,7 +5677,10 @@
(HF "TARGET_AVX512FP16")
(V8HF "TARGET_AVX512FP16 && TARGET_AVX512VL")
(V16HF "TARGET_AVX512FP16 && TARGET_AVX512VL")
(V32HF "TARGET_AVX512FP16 && TARGET_EVEX512")])
(V32HF "TARGET_AVX512FP16 && TARGET_EVEX512")
(V8BF "TARGET_AVX10_2_256")
(V16BF "TARGET_AVX10_2_256")
(V32BF "TARGET_AVX10_2_512")])
(define_expand "fma<mode>4"
[(set (match_operand:FMAMODEM 0 "register_operand")

34
gcc/testsuite/gcc.target/i386/avx10_2-512-bf-vector-fma-1.c Normal file
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@ -0,0 +1,34 @@
/* { dg-do compile } */
/* { dg-options "-mavx10.2-512 -O2" } */
/* { dg-final { scan-assembler-times "vfmadd132nepbf16\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vfmsub132nepbf16\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vfnmadd132nepbf16\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vfnmsub132nepbf16\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
#include <immintrin.h>
typedef __bf16 v32bf __attribute__ ((__vector_size__ (64)));
v32bf
foo_madd (v32bf a, v32bf b, v32bf c)
{
return a * b + c;
}
v32bf
foo_msub (v32bf a, v32bf b, v32bf c)
{
return a * b - c;
}
v32bf
foo_nmadd (v32bf a, v32bf b, v32bf c)
{
return -a * b + c;
}
v32bf
foo_nmsub (v32bf a, v32bf b, v32bf c)
{
return -a * b - c;
}

63
gcc/testsuite/gcc.target/i386/avx10_2-bf-vector-fma-1.c Normal file
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@ -0,0 +1,63 @@
/* { dg-do compile } */
/* { dg-options "-mavx10.2 -O2" } */
/* { dg-final { scan-assembler-times "vfmadd132nepbf16\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vfmsub132nepbf16\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vfnmadd132nepbf16\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vfnmsub132nepbf16\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vfmadd132nepbf16\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vfmsub132nepbf16\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vfnmadd132nepbf16\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vfnmsub132nepbf16\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
#include <immintrin.h>
typedef __bf16 v16bf __attribute__ ((__vector_size__ (32)));
typedef __bf16 v8bf __attribute__ ((__vector_size__ (16)));
v16bf
foo_madd_256 (v16bf a, v16bf b, v16bf c)
{
return a * b + c;
}
v16bf
foo_msub_256 (v16bf a, v16bf b, v16bf c)
{
return a * b - c;
}
v16bf
foo_nmadd_256 (v16bf a, v16bf b, v16bf c)
{
return -a * b + c;
}
v16bf
foo_nmsub_256 (v16bf a, v16bf b, v16bf c)
{
return -a * b - c;
}
v8bf
foo_madd_128 (v8bf a, v8bf b, v8bf c)
{
return a * b + c;
}
v8bf
foo_msub_128 (v8bf a, v8bf b, v8bf c)
{
return a * b - c;
}
v8bf
foo_nmadd_128 (v8bf a, v8bf b, v8bf c)
{
return -a * b + c;
}
v8bf
foo_nmsub_128 (v8bf a, v8bf b, v8bf c)
{
return -a * b - c;
}