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authorWeiwei Li <liweiwei@iscas.ac.cn>2023-02-15 10:05:33 +0800
committerPalmer Dabbelt <palmer@rivosinc.com>2023-03-01 15:17:51 -0800
commit3f4a5a5314b1d2d1fe910b87a3784743993003da (patch)
treee893e0fc71a20e6756837682d19e9db87d40acc7
parent51f33081efd4cf3182bf905096888861814522a7 (diff)
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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>
-rw-r--r--target/riscv/cpu_helper.c2
-rw-r--r--target/riscv/csr.c3
-rw-r--r--target/riscv/insn_trans/trans_rvv.c.inc8
3 files changed, 4 insertions, 9 deletions
diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index 3a9472a..a24a9fd 100644
--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -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.
diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index 1b0a0c1..5b757c8 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -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;
diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_trans/trans_rvv.c.inc
index bbb5c3a..6f7ecf1 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -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;
}