gwj / at91sam9263 · Commits

Commit 75175024757fd716dc0f8d50d9a8837b6d88143d

Authored by bellard
1 parent 8f2b1fb0

fcmovx support 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@464 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 1 changed file with 40 additions and 0 deletions
tests/test-i386.c
  View file @7517502
... ... @@ -658,6 +658,43 @@ void test_fenv(void)
658 658 TEST_ENV(&float_env32, "");
659 659 }
660 660  
  661 +
  662 +#define TEST_FCMOV(a, b, eflags, CC)\
  663 +{\
  664 + double res;\
  665 + asm("push %3\n"\
  666 + "popf\n"\
  667 + "fcmov" CC " %2, %0\n"\
  668 + : "=t" (res)\
  669 + : "0" (a), "u" (b), "g" (eflags));\
  670 + printf("fcmov%s eflags=0x%04x-> %f\n", \
  671 + CC, eflags, res);\
  672 +}
  673 +
  674 +void test_fcmov(void)
  675 +{
  676 + double a, b;
  677 + int eflags, i;
  678 +
  679 + a = 1.0;
  680 + b = 2.0;
  681 + for(i = 0; i < 4; i++) {
  682 + eflags = 0;
  683 + if (i & 1)
  684 + eflags |= CC_C;
  685 + if (i & 2)
  686 + eflags |= CC_Z;
  687 + TEST_FCMOV(a, b, eflags, "b");
  688 + TEST_FCMOV(a, b, eflags, "e");
  689 + TEST_FCMOV(a, b, eflags, "be");
  690 + TEST_FCMOV(a, b, eflags, "nb");
  691 + TEST_FCMOV(a, b, eflags, "ne");
  692 + TEST_FCMOV(a, b, eflags, "nbe");
  693 + }
  694 + TEST_FCMOV(a, b, 0, "u");
  695 + TEST_FCMOV(a, b, CC_P, "nu");
  696 +}
  697 +
661 698 void test_floats(void)
662 699 {
663 700 test_fops(2, 3);
... ... @@ -675,6 +712,9 @@ void test_floats(void)
675 712 test_fbcd(1234567890123456);
676 713 test_fbcd(-123451234567890);
677 714 test_fenv();
  715 + if (TEST_CMOV) {
  716 + test_fcmov();
  717 + }
678 718 }
679 719  
680 720 /**********************************************/
... ...