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target/i386: set SSE FTZ in correct floating-point state

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The code to set floating-point state when MXCSR changes calls
set_flush_to_zero on &env->fp_status, so affecting the x87
floating-point state rather than the SSE state. Fix to call it for
&env->sse_status instead.

Backports commit 3ddc0eca2229846bfecc3485648a6cb85a466dc7 from qemu
This commit is contained in:
Joseph Myers 2021-02-25 23:15:44 -05:00 committed by Lioncash
parent c15ddf11dd
commit fd5b0dd456
1 changed files with 1 additions and 1 deletions
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2
qemu/target/i386/fpu_helper.c
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@ -2928,7 +2928,7 @@ void update_mxcsr_status(CPUX86State *env)
set_flush_inputs_to_zero((mxcsr & SSE_DAZ) ? 1 : 0, &env->sse_status);
/* set flush to zero */
set_flush_to_zero((mxcsr & SSE_FZ) ? 1 : 0, &env->fp_status);
set_flush_to_zero((mxcsr & SSE_FZ) ? 1 : 0, &env->sse_status);
}
void helper_ldmxcsr(CPUX86State *env, uint32_t val)