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target/arm: Export bfdotadd from vec_helper.c

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We will need this over in sme_helper.c.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220607203306.657998-19-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-06-08 19:38:58 +01:00 committed by Peter Maydell
parent a613cf2d4a
commit 72db2aa353
2 changed files with 14 additions and 1 deletions
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2
target/arm/vec_helper.c
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@ -2557,7 +2557,7 @@ DO_MMLA_B(gvec_usmmla_b, do_usmmla_b)
* BFloat16 Dot Product
*/
static float32 bfdotadd(float32 sum, uint32_t e1, uint32_t e2)
float32 bfdotadd(float32 sum, uint32_t e1, uint32_t e2)
{
/* FPCR is ignored for BFDOT and BFMMLA. */
float_status bf_status = {

13
target/arm/vec_internal.h
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@ -230,4 +230,17 @@ uint64_t pmull_h(uint64_t op1, uint64_t op2);
*/
uint64_t pmull_w(uint64_t op1, uint64_t op2);
/**
* bfdotadd:
* @sum: addend
* @e1, @e2: multiplicand vectors
*
* BFloat16 2-way dot product of @e1 & @e2, accumulating with @sum.
* The @e1 and @e2 operands correspond to the 32-bit source vector
* slots and contain two Bfloat16 values each.
*
* Corresponds to the ARM pseudocode function BFDotAdd.
*/
float32 bfdotadd(float32 sum, uint32_t e1, uint32_t e2);
#endif /* TARGET_ARM_VEC_INTERNAL_H */