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fxsr test

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1216 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-01-12 22:33:30 +00:00
parent 839fa98885
commit a4682cc20a
1 changed files with 63 additions and 0 deletions
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63
tests/test-i386.c
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@ -1872,6 +1872,67 @@ void test_sse_comi(double a1, double b1)
r.l[0]);\ r.l[0]);\
} }
struct fpxstate {
uint16_t fpuc;
uint16_t fpus;
uint16_t fptag;
uint16_t fop;
uint32_t fpuip;
uint16_t cs_sel;
uint16_t dummy0;
uint32_t fpudp;
uint16_t ds_sel;
uint16_t dummy1;
uint32_t mxcsr;
uint32_t mxcsr_mask;
uint8_t fpregs1[8 * 16];
uint8_t xmm_regs[8 * 16];
uint8_t dummy2[224];
};
static struct fpxstate fpx_state __attribute__((aligned(16)));
static struct fpxstate fpx_state2 __attribute__((aligned(16)));
void test_fxsave(void)
{
struct fpxstate *fp = &fpx_state;
struct fpxstate *fp2 = &fpx_state2;
int i;
XMMReg a, b;
a.q[0] = test_values[0][0];
a.q[1] = test_values[0][1];
b.q[0] = test_values[1][0];
b.q[1] = test_values[1][1];
asm("movdqa %2, %%xmm0\n"
"movdqa %3, %%xmm7\n"
" fld1\n"
" fldpi\n"
" fldln2\n"
" fxsave %0\n"
" fxrstor %0\n"
" fxsave %1\n"
" fninit\n"
: "=m" (*(uint32_t *)fp2), "=m" (*(uint32_t *)fp)
: "m" (a), "m" (b));
printf("fpuc=%04x\n", fp->fpuc);
printf("fpus=%04x\n", fp->fpus);
printf("fptag=%04x\n", fp->fptag);
for(i = 0; i < 3; i++) {
printf("ST%d: %016llx %04x\n",
i,
*(uint64_t *)&fp->fpregs1[i * 16],
*(uint16_t *)&fp->fpregs1[i * 16 + 8]);
}
printf("mxcsr=%08x\n", fp->mxcsr & 0x1f80);
for(i = 0; i < 8; i++) {
printf("xmm%d: %016llx%016llx\n",
i,
*(uint64_t *)&fp->xmm_regs[i * 16],
*(uint64_t *)&fp->xmm_regs[i * 16 + 8]);
}
}
void test_sse(void) void test_sse(void)
{ {
XMMReg r, a, b; XMMReg r, a, b;
@ -2098,6 +2159,7 @@ void test_sse(void)
#if 0 #if 0
SSE_OP2(movshdup); SSE_OP2(movshdup);
#endif #endif
asm volatile ("emms");
} }
#endif #endif
@ -2134,6 +2196,7 @@ int main(int argc, char **argv)
test_enter(); test_enter();
#ifdef TEST_SSE #ifdef TEST_SSE
test_sse(); test_sse();
test_fxsave();
#endif #endif
return 0; return 0;
} }