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target/riscv: Encode the FS and VS on a normal way for tb flags

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Reuse the MSTATUS_FS and MSTATUS_VS for the tb flags positions is not a
normal way.

It will make it hard to change the tb flags layout. And even worse, if we
want to keep tb flags for a same extension togather without a hole.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn>
Message-Id: <20230324143031.1093-4-zhiwei_liu@linux.alibaba.com>
[rth: Adjust trans_rvf.c.inc as well; use the typedef]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Tested-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-Id: <20230325105429.1142530-4-richard.henderson@linaro.org>
Message-Id: <20230412114333.118895-4-richard.henderson@linaro.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
LIU Zhiwei 2023-04-12 13:43:11 +02:00 • committed by Alistair Francis
parent 42967f4073
commit ebd476488d
5 changed files with 32 additions and 36 deletions
Download patch file Download diff file Expand all files Collapse all files

2
target/riscv/insn_trans/trans_rvf.c.inc
View file

@ -19,7 +19,7 @@
*/
#define REQUIRE_FPU do {\
if (ctx->mstatus_fs == 0) \
if (ctx->mstatus_fs == EXT_STATUS_DISABLED) \
if (!ctx->cfg_ptr->ext_zfinx) \
return false; \
} while (0)

8
target/riscv/insn_trans/trans_rvv.c.inc
View file

@ -29,12 +29,12 @@ static inline bool is_overlapped(const int8_t astart, int8_t asize,
static bool require_rvv(DisasContext *s)
{
return s->mstatus_vs != 0;
return s->mstatus_vs != EXT_STATUS_DISABLED;
}
static bool require_rvf(DisasContext *s)
{
if (s->mstatus_fs == 0) {
if (s->mstatus_fs == EXT_STATUS_DISABLED) {
return false;
}
@ -52,7 +52,7 @@ static bool require_rvf(DisasContext *s)
static bool require_scale_rvf(DisasContext *s)
{
if (s->mstatus_fs == 0) {
if (s->mstatus_fs == EXT_STATUS_DISABLED) {
return false;
}
@ -70,7 +70,7 @@ static bool require_scale_rvf(DisasContext *s)
static bool require_scale_rvfmin(DisasContext *s)
{
if (s->mstatus_fs == 0) {
if (s->mstatus_fs == EXT_STATUS_DISABLED) {
return false;
}