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target/ppc: implement xs[n]maddqp[o]/xs[n]msubqp[o]

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Implement the following PowerISA v3.0 instuctions:
xsmaddqp[o]: VSX Scalar Multiply-Add Quad-Precision [using round to Odd]
xsmsubqp[o]: VSX Scalar Multiply-Subtract Quad-Precision [using round
             to Odd]
xsnmaddqp[o]: VSX Scalar Negative Multiply-Add Quad-Precision [using
              round to Odd]
xsnmsubqp[o]: VSX Scalar Negative Multiply-Subtract Quad-Precision
              [using round to Odd]

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220225210936.1749575-38-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Matheus Ferst 2022-03-02 06:51:38 +01:00 • committed by Cédric Le Goater
parent e4318ab2e4
commit 3bb1aed246
4 changed files with 80 additions and 0 deletions
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25
target/ppc/translate/vsx-impl.c.inc
View file

@ -1347,6 +1347,31 @@ TRANS_FLAGS2(VSX207, XSNMADDMSP, do_xsmadd_XX3, false, gen_helper_XSNMADDSP)
TRANS_FLAGS2(VSX207, XSNMSUBASP, do_xsmadd_XX3, true, gen_helper_XSNMSUBSP)
TRANS_FLAGS2(VSX207, XSNMSUBMSP, do_xsmadd_XX3, false, gen_helper_XSNMSUBSP)
static bool do_xsmadd_X(DisasContext *ctx, arg_X_rc *a,
void (*gen_helper)(TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_ptr),
void (*gen_helper_ro)(TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_ptr))
{
int vrt, vra, vrb;
REQUIRE_INSNS_FLAGS2(ctx, ISA300);
REQUIRE_VSX(ctx);
vrt = a->rt + 32;
vra = a->ra + 32;
vrb = a->rb + 32;
if (a->rc) {
return do_xsmadd(ctx, vrt, vra, vrt, vrb, gen_helper_ro);
}
return do_xsmadd(ctx, vrt, vra, vrt, vrb, gen_helper);
}
TRANS(XSMADDQP, do_xsmadd_X, gen_helper_XSMADDQP, gen_helper_XSMADDQPO)
TRANS(XSMSUBQP, do_xsmadd_X, gen_helper_XSMSUBQP, gen_helper_XSMSUBQPO)
TRANS(XSNMADDQP, do_xsmadd_X, gen_helper_XSNMADDQP, gen_helper_XSNMADDQPO)
TRANS(XSNMSUBQP, do_xsmadd_X, gen_helper_XSNMSUBQP, gen_helper_XSNMSUBQPO)
#define GEN_VSX_HELPER_VSX_MADD(name, op1, aop, mop, inval, type) \
static void gen_##name(DisasContext *ctx) \
{ \