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target/arm: Split out gen_gvec_fn_zz

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Model the new function on gen_gvec_fn2 in translate-a64.c, but
indicating which kind of register and in which order.  Since there
is only one user of do_vector2_z, fold it into do_mov_z.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200815013145.539409-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2020-08-28 10:02:47 +01:00 committed by Peter Maydell
parent 5be4dd043f
commit f7d79c41fa
1 changed files with 10 additions and 9 deletions
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19
target/arm/translate-sve.c
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@ -143,15 +143,13 @@ static int pred_gvec_reg_size(DisasContext *s)
}
/* Invoke a vector expander on two Zregs. */
static bool do_vector2_z(DisasContext *s, GVecGen2Fn *gvec_fn,
int esz, int rd, int rn)
static void gen_gvec_fn_zz(DisasContext *s, GVecGen2Fn *gvec_fn,
int esz, int rd, int rn)
{
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
gvec_fn(esz, vec_full_reg_offset(s, rd),
vec_full_reg_offset(s, rn), vsz, vsz);
}
return true;
unsigned vsz = vec_full_reg_size(s);
gvec_fn(esz, vec_full_reg_offset(s, rd),
vec_full_reg_offset(s, rn), vsz, vsz);
}
/* Invoke a vector expander on three Zregs. */
@ -170,7 +168,10 @@ static bool do_vector3_z(DisasContext *s, GVecGen3Fn *gvec_fn,
/* Invoke a vector move on two Zregs. */
static bool do_mov_z(DisasContext *s, int rd, int rn)
{
return do_vector2_z(s, tcg_gen_gvec_mov, 0, rd, rn);
if (sve_access_check(s)) {
gen_gvec_fn_zz(s, tcg_gen_gvec_mov, MO_8, rd, rn);
}
return true;
}
/* Initialize a Zreg with replications of a 64-bit immediate. */