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target/riscv: Simplify check for Zve32f and Zve64f 

V/Zve64f depend on Zve32f, so we can only check Zve32f in these cases.

Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20230215020539.4788-9-liweiwei@iscas.ac.cn>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Weiwei Li 2023-02-15 10:05:33 +08:00 committed by Palmer Dabbelt
parent 51f33081ef
commit 3f4a5a5314
No known key found for this signature in database
GPG Key ID: 2E1319F35FBB1889
3 changed files with 4 additions and 9 deletions
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2
target/riscv/cpu_helper.c
View File

@ -51,7 +51,7 @@ void cpu_get_tb_cpu_state(CPURISCVState *env, target_ulong *pc,
*pc = env->xl == MXL_RV32 ? env->pc & UINT32_MAX : env->pc;
*cs_base = 0;
if (riscv_has_ext(env, RVV) || cpu->cfg.ext_zve32f || cpu->cfg.ext_zve64f) {
if (cpu->cfg.ext_zve32f) {
/*
* If env->vl equals to VLMAX, we can use generic vector operation
* expanders (GVEC) to accerlate the vector operations.

3
target/riscv/csr.c
View File

@ -93,8 +93,7 @@ static RISCVException vs(CPURISCVState *env, int csrno)
CPUState *cs = env_cpu(env);
RISCVCPU *cpu = RISCV_CPU(cs);
if (env->misa_ext & RVV ||
cpu->cfg.ext_zve32f || cpu->cfg.ext_zve64f) {
if (cpu->cfg.ext_zve32f) {
#if !defined(CONFIG_USER_ONLY)
if (!env->debugger && !riscv_cpu_vector_enabled(env)) {
return RISCV_EXCP_ILLEGAL_INST;

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

@ -173,9 +173,7 @@ static bool do_vsetvl(DisasContext *s, int rd, int rs1, TCGv s2)
{
TCGv s1, dst;
if (!require_rvv(s) ||
!(has_ext(s, RVV) || s->cfg_ptr->ext_zve32f ||
s->cfg_ptr->ext_zve64f)) {
if (!require_rvv(s) || !s->cfg_ptr->ext_zve32f) {
return false;
}
@ -210,9 +208,7 @@ static bool do_vsetivli(DisasContext *s, int rd, TCGv s1, TCGv s2)
{
TCGv dst;
if (!require_rvv(s) ||
!(has_ext(s, RVV) || s->cfg_ptr->ext_zve32f ||
s->cfg_ptr->ext_zve64f)) {
if (!require_rvv(s) || !s->cfg_ptr->ext_zve32f) {
return false;
}