diff mbox series

[v2,08/14] target/riscv: Simplify check for Zve32f and Zve64f

Message ID 20230215020539.4788-9-liweiwei@iscas.ac.cn (mailing list archive)
State New, archived
Headers show
Series target/riscv: Some updates to float point related extensions | expand

Commit Message

Weiwei Li Feb. 15, 2023, 2:05 a.m. UTC 
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>
---
 target/riscv/cpu_helper.c               | 2 +-
 target/riscv/csr.c                      | 3 +--
 target/riscv/insn_trans/trans_rvv.c.inc | 8 ++------
 3 files changed, 4 insertions(+), 9 deletions(-)
diff mbox series

Patch

diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index ad8d82662c..6a3b8bd17b 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 fa17d7770c..fbe690878b 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 bbb5c3a7b5..6f7ecf1a68 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;
     }