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target/ppc: implement xscv[su]qqp

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Implement the following PowerISA v3.1 instructions:
xscvsqqp: VSX Scalar Convert with round Signed Quadword to
          Quad-Precision
xscvuqqp: VSX Scalar Convert with round Unsigned Quadword to
          Quad-Precision format

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220330175932.6995-8-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This commit is contained in:
Matheus Ferst 2022-03-30 14:59:31 -03:00 • committed by Daniel Henrique Barboza
parent bea592300b
commit 67332e0718
4 changed files with 39 additions and 0 deletions
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12
target/ppc/fpu_helper.c
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@ -3058,6 +3058,18 @@ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb) \
VSX_CVT_INT_TO_FP2(xvcvsxdsp, int64, float32)
VSX_CVT_INT_TO_FP2(xvcvuxdsp, uint64, float32)
#define VSX_CVT_INT128_TO_FP(op, tp) \
void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb)\
{ \
helper_reset_fpstatus(env); \
xt->f128 = tp##_to_float128(xb->s128, &env->fp_status); \
helper_compute_fprf_float128(env, xt->f128); \
do_float_check_status(env, GETPC()); \
}
VSX_CVT_INT128_TO_FP(XSCVUQQP, uint128);
VSX_CVT_INT128_TO_FP(XSCVSQQP, int128);
/*
* VSX_CVT_INT_TO_FP_VECTOR - VSX integer to floating point conversion
* op - instruction mnemonic