diff options
Diffstat (limited to 'tests/test-i386.c')
| -rw-r--r-- | tests/test-i386.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/tests/test-i386.c b/tests/test-i386.c index ea756ec299..b2ef1d8fed 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; } |