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| author | Richard Henderson <richard.henderson@linaro.org> | 2022-06-08 19:38:58 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2022-06-08 19:38:58 +0100 |
| commit | 72db2aa353a98bd3486c9e5ef7e31ae7cf934849 (patch) | |
| tree | 85d8ca620e72e83f76f42b640ba5ea54f72ebc98 | |
| parent | a613cf2d4ae61fbcdf084103ea10de193bfbe169 (diff) | |
| download | qemu-72db2aa353a98bd3486c9e5ef7e31ae7cf934849.zip qemu-72db2aa353a98bd3486c9e5ef7e31ae7cf934849.tar.gz qemu-72db2aa353a98bd3486c9e5ef7e31ae7cf934849.tar.bz2 | |
target/arm: Export bfdotadd from vec_helper.c
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>
| -rw-r--r-- | target/arm/vec_helper.c | 2 | ||||
| -rw-r--r-- | target/arm/vec_internal.h | 13 |
2 files changed, 14 insertions, 1 deletions
diff --git a/target/arm/vec_helper.c b/target/arm/vec_helper.c index 26c373e..9a9c034 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 = { diff --git a/target/arm/vec_internal.h b/target/arm/vec_internal.h index 1d527fa..1f4ed80 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 */ |