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target/riscv: Use env_archcpu() in [check_]nanbox()

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When CPUArchState* is available (here CPURISCVState*), we
can use the fast env_archcpu() macro to get ArchCPU* (here
RISCVCPU*). The QOM cast RISCV_CPU() macro will be slower
when building with --enable-qom-cast-debug.

Inspired-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Richard W.M. Jones <rjones@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20231009110239.66778-3-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2023-10-09 12:44:16 +02:00
parent b0a1333331
commit edf67fb4c2
1 changed files with 4 additions and 4 deletions
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8
target/riscv/internals.h
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@ -87,7 +87,7 @@ enum {
static inline uint64_t nanbox_s(CPURISCVState *env, float32 f)
{
/* the value is sign-extended instead of NaN-boxing for zfinx */
if (RISCV_CPU(env_cpu(env))->cfg.ext_zfinx) {
if (env_archcpu(env)->cfg.ext_zfinx) {
return (int32_t)f;
} else {
return f | MAKE_64BIT_MASK(32, 32);
@ -97,7 +97,7 @@ static inline uint64_t nanbox_s(CPURISCVState *env, float32 f)
static inline float32 check_nanbox_s(CPURISCVState *env, uint64_t f)
{
/* Disable NaN-boxing check when enable zfinx */
if (RISCV_CPU(env_cpu(env))->cfg.ext_zfinx) {
if (env_archcpu(env)->cfg.ext_zfinx) {
return (uint32_t)f;
}
@ -113,7 +113,7 @@ static inline float32 check_nanbox_s(CPURISCVState *env, uint64_t f)
static inline uint64_t nanbox_h(CPURISCVState *env, float16 f)
{
/* the value is sign-extended instead of NaN-boxing for zfinx */
if (RISCV_CPU(env_cpu(env))->cfg.ext_zfinx) {
if (env_archcpu(env)->cfg.ext_zfinx) {
return (int16_t)f;
} else {
return f | MAKE_64BIT_MASK(16, 48);
@ -123,7 +123,7 @@ static inline uint64_t nanbox_h(CPURISCVState *env, float16 f)
static inline float16 check_nanbox_h(CPURISCVState *env, uint64_t f)
{
/* Disable nanbox check when enable zfinx */
if (RISCV_CPU(env_cpu(env))->cfg.ext_zfinx) {
if (env_archcpu(env)->cfg.ext_zfinx) {
return (uint16_t)f;
}