summaryrefslogtreecommitdiff
path: root/target-i386/fpu_helper.c
diff options
context:
space:
mode:
Diffstat (limited to 'target-i386/fpu_helper.c')
-rw-r--r--target-i386/fpu_helper.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/target-i386/fpu_helper.c b/target-i386/fpu_helper.c
index c0427fec7a..de7ba76a49 100644
--- a/target-i386/fpu_helper.c
+++ b/target-i386/fpu_helper.c
@@ -1179,7 +1179,7 @@ void helper_fxrstor(CPUX86State *env, target_ulong ptr, int data64)
if (env->cr[4] & CR4_OSFXSR_MASK) {
/* XXX: finish it */
- env->mxcsr = cpu_ldl_data(env, ptr + 0x18);
+ cpu_set_mxcsr(env, cpu_ldl_data(env, ptr + 0x18));
/* cpu_ldl_data(env, ptr + 0x1c); */
if (env->hflags & HF_CS64_MASK) {
nb_xmm_regs = 16;
@@ -1229,12 +1229,14 @@ floatx80 cpu_set_fp80(uint64_t mant, uint16_t upper)
#define SSE_RC_CHOP 0x6000
#define SSE_FZ 0x8000
-static void update_sse_status(CPUX86State *env)
+void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr)
{
int rnd_type;
+ env->mxcsr = mxcsr;
+
/* set rounding mode */
- switch (env->mxcsr & SSE_RC_MASK) {
+ switch (mxcsr & SSE_RC_MASK) {
default:
case SSE_RC_NEAR:
rnd_type = float_round_nearest_even;
@@ -1252,16 +1254,15 @@ static void update_sse_status(CPUX86State *env)
set_float_rounding_mode(rnd_type, &env->sse_status);
/* set denormals are zero */
- set_flush_inputs_to_zero((env->mxcsr & SSE_DAZ) ? 1 : 0, &env->sse_status);
+ set_flush_inputs_to_zero((mxcsr & SSE_DAZ) ? 1 : 0, &env->sse_status);
/* set flush to zero */
- set_flush_to_zero((env->mxcsr & SSE_FZ) ? 1 : 0, &env->fp_status);
+ set_flush_to_zero((mxcsr & SSE_FZ) ? 1 : 0, &env->fp_status);
}
void helper_ldmxcsr(CPUX86State *env, uint32_t val)
{
- env->mxcsr = val;
- update_sse_status(env);
+ cpu_set_mxcsr(env, val);
}
void helper_enter_mmx(CPUX86State *env)