motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-05 08:43:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

target/ppc: Implemented [pm]xvbf16ger2*

Browse source 
Implement the following PowerISA v3.1 instructions:
xvbf16ger2:   VSX Vector bfloat16 GER (rank-2 update)
xvbf16ger2nn: VSX Vector bfloat16 GER (rank-2 update) Negative multiply,
Negative accumulate
xvbf16ger2np: VSX Vector bfloat16 GER (rank-2 update) Negative multiply,
Positive accumulate
xvbf16ger2pn: VSX Vector bfloat16 GER (rank-2 update) Positive multiply,
Negative accumulate
xvbf16ger2pp: VSX Vector bfloat16 GER (rank-2 update) Positive multiply,
Positive accumulate
pmxvbf16ger2:   Prefixed Masked VSX Vector bfloat16 GER (rank-2 update)
pmxvbf16ger2nn: Prefixed Masked VSX Vector bfloat16 GER (rank-2 update)
Negative multiply, Negative accumulate
pmxvbf16ger2np: Prefixed Masked VSX Vector bfloat16 GER (rank-2 update)
Negative multiply, Positive accumulate
pmxvbf16ger2pn: Prefixed Masked VSX Vector bfloat16 GER (rank-2 update)
Positive multiply, Negative accumulate
pmxvbf16ger2pp: Prefixed Masked VSX Vector bfloat16 GER (rank-2 update)
Positive multiply, Positive accumulate

Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220524140537.27451-8-lucas.araujo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This commit is contained in:
Lucas Mateus Castro (alqotel) 2022-05-24 11:05:36 -03:00 • committed by Daniel Henrique Barboza
parent 6f642338dc
commit 5724e131ca
5 changed files with 74 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

40
target/ppc/fpu_helper.c
View file

@ -3517,6 +3517,11 @@ static float64 extract_hf16(float16 in, float_status *fp_status)
return float16_to_float64(in, true, fp_status);
}
static float64 extract_bf16(bfloat16 in, float_status *fp_status)
{
return bfloat16_to_float64(in, fp_status);
}
static void vsxger16(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
ppc_acc_t *at, uint32_t mask, bool acc,
bool neg_mul, bool neg_acc, extract_f16 extract)
@ -3639,6 +3644,41 @@ static void vsxger(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
vsxger_excp(env, GETPC());
}
QEMU_FLATTEN
void helper_XVBF16GER2(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
ppc_acc_t *at, uint32_t mask)
{
vsxger16(env, a, b, at, mask, false, false, false, extract_bf16);
}
QEMU_FLATTEN
void helper_XVBF16GER2PP(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
ppc_acc_t *at, uint32_t mask)
{
vsxger16(env, a, b, at, mask, true, false, false, extract_bf16);
}
QEMU_FLATTEN
void helper_XVBF16GER2PN(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
ppc_acc_t *at, uint32_t mask)
{
vsxger16(env, a, b, at, mask, true, false, true, extract_bf16);
}
QEMU_FLATTEN
void helper_XVBF16GER2NP(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
ppc_acc_t *at, uint32_t mask)
{
vsxger16(env, a, b, at, mask, true, true, false, extract_bf16);
}
QEMU_FLATTEN
void helper_XVBF16GER2NN(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
ppc_acc_t *at, uint32_t mask)
{
vsxger16(env, a, b, at, mask, true, true, true, extract_bf16);
}
QEMU_FLATTEN
void helper_XVF16GER2(CPUPPCState *env, ppc_vsr_t *a, ppc_vsr_t *b,
ppc_acc_t *at, uint32_t mask)