target/riscv: rvv-1.0: Add Zve32f support for narrowing type-convert insns

Vector narrowing conversion instructions are provided to and from all
supported integer EEWs for Zve32f extension.

Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220118014522.13613-17-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Frank Chang 2022-01-18 09:45:19 +08:00 committed by Alistair Francis
parent f4dcf51cdc
commit 6db02328a7

View File

@ -2862,6 +2862,7 @@ static bool opfxv_narrow_check(DisasContext *s, arg_rmr *a)
return opfv_narrow_check(s, a) &&
require_rvf(s) &&
(s->sew != MO_64) &&
require_zve32f(s) &&
require_zve64f(s);
}
@ -2870,6 +2871,7 @@ static bool opffv_narrow_check(DisasContext *s, arg_rmr *a)
return opfv_narrow_check(s, a) &&
require_scale_rvf(s) &&
(s->sew != MO_8) &&
require_scale_zve32f(s) &&
require_scale_zve64f(s);
}
@ -2920,6 +2922,7 @@ static bool opxfv_narrow_check(DisasContext *s, arg_rmr *a)
vext_check_isa_ill(s) &&
/* OPFV narrowing instructions ignore vs1 check */
vext_check_sd(s, a->rd, a->rs2, a->vm) &&
require_scale_zve32f(s) &&
require_scale_zve64f(s);
}