target/riscv: rvv-1.0: Add Zve64f support for narrowing type-convert insns

Vector narrowing conversion instructions are provided to and from all
supported integer EEWs for Zve64f extension.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-10-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Frank Chang 2022-01-18 09:45:12 +08:00 committed by Alistair Francis
parent 235d1161d4
commit 68fa38970e

View File

@ -2826,14 +2826,16 @@ static bool opfxv_narrow_check(DisasContext *s, arg_rmr *a)
{
return opfv_narrow_check(s, a) &&
require_rvf(s) &&
(s->sew != MO_64);
(s->sew != MO_64) &&
require_zve64f(s);
}
static bool opffv_narrow_check(DisasContext *s, arg_rmr *a)
{
return opfv_narrow_check(s, a) &&
require_scale_rvf(s) &&
(s->sew != MO_8);
(s->sew != MO_8) &&
require_scale_zve64f(s);
}
#define GEN_OPFV_NARROW_TRANS(NAME, CHECK, HELPER, FRM) \
@ -2882,7 +2884,8 @@ static bool opxfv_narrow_check(DisasContext *s, arg_rmr *a)
require_scale_rvf(s) &&
vext_check_isa_ill(s) &&
/* OPFV narrowing instructions ignore vs1 check */
vext_check_sd(s, a->rd, a->rs2, a->vm);
vext_check_sd(s, a->rd, a->rs2, a->vm) &&
require_scale_zve64f(s);
}
#define GEN_OPXFV_NARROW_TRANS(NAME, HELPER, FRM) \