Revision 03bfca94
| b/tests/test-i386.c | ||
|---|---|---|
| 9 | 9 |
#include <sys/mman.h> |
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#include <asm/vm86.h> |
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#define TEST_CMOV 0 |
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#define TEST_CMOV 0 |
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#define TEST_FCOMI 0 |
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#define xglue(x, y) x ## y |
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#define glue(x, y) xglue(x, y) |
| ... | ... | |
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a, b, a > b); |
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printf("(%f<=%f)=%d\n",
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a, b, a >= b); |
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if (TEST_FCOMI) {
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unsigned int eflags; |
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/* test f(u)comi instruction */ |
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asm("fcomi %2, %1\n"
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"pushf\n" |
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"pop %0\n" |
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: "=r" (eflags) |
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: "t" (a), "u" (b)); |
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printf("fcomi(%f %f)=%08x\n", a, b, eflags & (CC_Z | CC_P | CC_C));
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} |
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} |
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|
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void test_fcvt(double a) |
| ... | ... | |
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a, bcd[4], bcd[3], bcd[2], bcd[1], bcd[0], b); |
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} |
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#define TEST_ENV(env, prefix)\ |
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{\
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memset((env), 0xaa, sizeof(*(env)));\ |
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asm("fld1\n"\
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prefix "fnstenv %1\n"\ |
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prefix "fldenv %1\n"\ |
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: "=t" (res) : "m" (*(env)) : "st");\ |
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printf("res=%f\n", res);\
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printf("fpuc=%04x fpus=%04x fptag=%04x\n",\
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(env)->fpuc,\ |
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(env)->fpus & 0xff00,\ |
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(env)->fptag);\ |
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memset((env), 0xaa, sizeof(*(env)));\ |
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asm("fld1\n"\
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prefix "fnsave %1\n"\ |
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prefix "frstor %1\n"\ |
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: "=t" (res) : "m" (*(env)) : "st");\ |
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printf("res=%f\n", res);\
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printf("fpuc=%04x fpus=%04x fptag=%04x\n",\
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(env)->fpuc,\ |
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(env)->fpus & 0xff00,\ |
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(env)->fptag);\ |
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printf("ST(0) = %Lf\n",\
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(env)->fpregs[0]);\ |
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} |
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|
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void test_fenv(void) |
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{
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struct __attribute__((packed)) {
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uint16_t fpuc; |
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uint16_t dummy1; |
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uint16_t fpus; |
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uint16_t dummy2; |
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uint16_t fptag; |
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uint16_t dummy3; |
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uint32_t ignored[4]; |
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long double fpregs[8]; |
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} float_env32; |
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struct __attribute__((packed)) {
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uint16_t fpuc; |
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uint16_t fpus; |
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uint16_t fptag; |
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uint16_t ignored[4]; |
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long double fpregs[8]; |
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} float_env16; |
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double res; |
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TEST_ENV(&float_env16, "data16 "); |
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TEST_ENV(&float_env32, ""); |
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} |
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|
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void test_floats(void) |
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{
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test_fops(2, 3); |
| ... | ... | |
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test_fconst(); |
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test_fbcd(1234567890123456); |
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test_fbcd(-123451234567890); |
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test_fenv(); |
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} |
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/**********************************************/ |
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