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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2005-01-12 22:33:30 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2005-01-12 22:33:30 +0000
commita4682cc20a68c59939552492590559e94b00a984 (patch)
tree32e70d622db1bcdbabfb56f4dc9dc0b118621a92 /tests
parent839fa98885a432aaa4b34a270eda25c7c08522bf (diff)
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fxsr test
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1216 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'tests')
-rw-r--r--tests/test-i386.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/tests/test-i386.c b/tests/test-i386.c
index ea756ec..b2ef1d8 100644
--- a/tests/test-i386.c
+++ b/tests/test-i386.c
@@ -1872,6 +1872,67 @@ void test_sse_comi(double a1, double b1)
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)
{
XMMReg r, a, b;
@@ -2098,6 +2159,7 @@ void test_sse(void)
#if 0
SSE_OP2(movshdup);
#endif
+ asm volatile ("emms");
}
#endif
@@ -2134,6 +2196,7 @@ int main(int argc, char **argv)
test_enter();
#ifdef TEST_SSE
test_sse();
+ test_fxsave();
#endif
return 0;
}