On Fri, Nov 26, 2010 at 10:53 PM, ChALkeR wrote:
>> Please also consider fixing FSAVE and FXSAVE.
>
> FSAVE also works, i checked twice (code and test).
> FSAVE in QEMU calls FSTENV.
>
> op_helper.c:
>> void helper_fsave(target_ulong ptr, int data32)
>> {
>> CPU86_LDouble tmp;
>> int i;
>>
>
> Please also consider fixing FSAVE and FXSAVE.
FSAVE also works, i checked twice (code and test).
FSAVE in QEMU calls FSTENV.
op_helper.c:
> void helper_fsave(target_ulong ptr, int data32)
> {
>CPU86_LDouble tmp;
>int i;
>
>helper_fstenv(ptr, data32);
Not sure how FXSAVE operates, t
On Fri, Nov 26, 2010 at 1:14 PM, ChALkeR wrote:
> Patch for the bug https://bugs.launchpad.net/qemu/+bug/661696
>
> The testcase:
>
> $ cat test.c
> #include
>
> extern void *x;
>
> int main() {
> int a;
> asm volatile ("x: fldz\n\
> push %%edx\n\
> fnstenv -0xc(%%esp)
Patch for the bug https://bugs.launchpad.net/qemu/+bug/661696
The testcase:
$ cat test.c
#include
extern void *x;
int main() {
int a;
asm volatile ("x: fldz\n\
push %%edx\n\
fnstenv -0xc(%%esp)\n\
pop %%edx\n" : "=d" (a) : : "memory");
printf ("%
