diff --git a/qemu/target/i386/cpu.h b/qemu/target/i386/cpu.h index 9d1d0292..adb5af72 100644 --- a/qemu/target/i386/cpu.h +++ b/qemu/target/i386/cpu.h @@ -1567,7 +1567,6 @@ void QEMU_NORETURN raise_interrupt(CPUX86State *nenv, int intno, int is_int, /* cc_helper.c */ extern const uint8_t parity_table[256]; uint32_t cpu_cc_compute_all(CPUX86State *env1, int op); -void update_fp_status(CPUX86State *env); static inline uint32_t cpu_compute_eflags(CPUX86State *env) { @@ -1618,8 +1617,24 @@ static inline int32_t x86_get_a20_mask(CPUX86State *env) } /* fpu_helper.c */ -void cpu_set_mxcsr(CPUX86State *env, uint32_t val); -void cpu_set_fpuc(CPUX86State *env, uint16_t val); +void update_fp_status(CPUX86State *env); +void update_mxcsr_status(CPUX86State *env); + +static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr) +{ + env->mxcsr = mxcsr; + if (tcg_enabled(env->uc)) { + update_mxcsr_status(env); + } +} + +static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc) +{ + env->fpuc = fpuc; + if (tcg_enabled(env->uc)) { + update_fp_status(env); + } +} /* svm_helper.c */ void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type, diff --git a/qemu/target/i386/fpu_helper.c b/qemu/target/i386/fpu_helper.c index f777002c..eb3114e6 100644 --- a/qemu/target/i386/fpu_helper.c +++ b/qemu/target/i386/fpu_helper.c @@ -1572,12 +1572,11 @@ void helper_xsetbv(CPUX86State *env, uint32_t ecx, uint64_t mask) #define SSE_RC_CHOP 0x6000 #define SSE_FZ 0x8000 -void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr) +void update_mxcsr_status(CPUX86State *env) { + uint32_t mxcsr = env->mxcsr; int rnd_type; - env->mxcsr = mxcsr; - /* set rounding mode */ switch (mxcsr & SSE_RC_MASK) { default: @@ -1603,12 +1602,6 @@ void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr) set_flush_to_zero((mxcsr & SSE_FZ) ? 1 : 0, &env->fp_status); } -void cpu_set_fpuc(CPUX86State *env, uint16_t val) -{ - env->fpuc = val; - update_fp_status(env); -} - void helper_ldmxcsr(CPUX86State *env, uint32_t val) { cpu_set_mxcsr(env, val);