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[PATCH v2 18/71] target/arm: Export bfdotadd from vec_helper.c
From: |
Richard Henderson |
Subject: |
[PATCH v2 18/71] target/arm: Export bfdotadd from vec_helper.c |
Date: |
Tue, 7 Jun 2022 13:32:13 -0700 |
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>
---
target/arm/vec_internal.h | 13 +++++++++++++
target/arm/vec_helper.c | 2 +-
2 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/target/arm/vec_internal.h b/target/arm/vec_internal.h
index 1d527fadac..1f4ed80ff7 100644
--- a/target/arm/vec_internal.h
+++ b/target/arm/vec_internal.h
@@ -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 */
diff --git a/target/arm/vec_helper.c b/target/arm/vec_helper.c
index 26c373e522..9a9c034e36 100644
--- a/target/arm/vec_helper.c
+++ b/target/arm/vec_helper.c
@@ -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 = {
--
2.34.1
- [PATCH v2 17/71] target/arm: Move expand_pred_h to vec_internal.h, (continued)
- [PATCH v2 17/71] target/arm: Move expand_pred_h to vec_internal.h, Richard Henderson, 2022/06/07
- [PATCH v2 19/71] target/arm: Add isar_feature_aa64_sme, Richard Henderson, 2022/06/07
- [PATCH v2 21/71] target/arm: Implement TPIDR2_EL0, Richard Henderson, 2022/06/07
- [PATCH v2 23/71] target/arm: Add syn_smetrap, Richard Henderson, 2022/06/07
- [PATCH v2 24/71] target/arm: Add ARM_CP_SME, Richard Henderson, 2022/06/07
- [PATCH v2 22/71] target/arm: Add SMEEXC_EL to TB flags, Richard Henderson, 2022/06/07
- [PATCH v2 11/71] target/arm: Use uint32_t instead of bitmap for sve vq's, Richard Henderson, 2022/06/07
- [PATCH v2 16/71] target/arm: Use expand_pred_b in mve_helper.c, Richard Henderson, 2022/06/07
- [PATCH v2 20/71] target/arm: Add ID_AA64SMFR0_EL1, Richard Henderson, 2022/06/07
- [PATCH v2 18/71] target/arm: Export bfdotadd from vec_helper.c,
Richard Henderson <=
- [PATCH v2 26/71] target/arm: Add SMCR_ELx, Richard Henderson, 2022/06/07
- [PATCH v2 27/71] target/arm: Add SMIDR_EL1, SMPRI_EL1, SMPRIMAP_EL2, Richard Henderson, 2022/06/07
- [PATCH v2 28/71] target/arm: Add PSTATE.{SM,ZA} to TB flags, Richard Henderson, 2022/06/07
- [PATCH v2 29/71] target/arm: Add the SME ZA storage to CPUARMState, Richard Henderson, 2022/06/07
- [PATCH v2 30/71] target/arm: Implement SMSTART, SMSTOP, Richard Henderson, 2022/06/07
- [PATCH v2 33/71] target/arm: Generalize cpu_arm_{get,set}_vq, Richard Henderson, 2022/06/07
- [PATCH v2 34/71] target/arm: Generalize cpu_arm_{get, set}_default_vec_len, Richard Henderson, 2022/06/07