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target/ppc: Implement xvcvbf16spn and xvcvspbf16 instructions

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Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220225210936.1749575-47-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Víctor Colombo 2022-03-02 06:51:38 +01:00 • committed by Cédric Le Goater
parent 7b8d6e3e79
commit 3909ff1fac
4 changed files with 57 additions and 4 deletions
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18
target/ppc/fpu_helper.c
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@ -2785,6 +2785,24 @@ VSX_CVT_FP_TO_FP_HP(xscvhpdp, 1, float16, float64, VsrH(3), VsrD(0), 1)
VSX_CVT_FP_TO_FP_HP(xvcvsphp, 4, float32, float16, VsrW(i), VsrH(2 * i + 1), 0)
VSX_CVT_FP_TO_FP_HP(xvcvhpsp, 4, float16, float32, VsrH(2 * i + 1), VsrW(i), 0)
void helper_XVCVSPBF16(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb)
{
ppc_vsr_t t = { };
int i, status;
for (i = 0; i < 4; i++) {
t.VsrH(2 * i + 1) = float32_to_bfloat16(xb->VsrW(i), &env->fp_status);
}
status = get_float_exception_flags(&env->fp_status);
if (unlikely(status & float_flag_invalid_snan)) {
float_invalid_op_vxsnan(env, GETPC());
}
*xt = t;
do_float_check_status(env, GETPC());
}
void helper_XSCVQPDP(CPUPPCState *env, uint32_t ro, ppc_vsr_t *xt,
ppc_vsr_t *xb)
{