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more imul tests 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@737 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-04-22 21:37:55 +00:00
parent 91caaa612a
commit b5075d29a8
2 changed files with 31 additions and 0 deletions
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4
tests/Makefile
View File

@ -38,6 +38,10 @@ test:
endif
$(QEMU) test-i386 > test-i386.out
@if diff -u test-i386.ref test-i386.out ; then echo "Auto Test OK"; fi
ifeq ($(ARCH),i386)
$(QEMU) -no-code-copy test-i386 > test-i386.out
@if diff -u test-i386.ref test-i386.out ; then echo "Auto Test OK (no code copy)"; fi
endif
# generic Linux and CPU test
linux-test: linux-test.c

27
tests/test-i386.c
View File

@ -401,6 +401,23 @@ void test_imull2(int op0, int op1)
"imull", s0, s1, res, flags & CC_MASK);
}
#define TEST_IMUL_IM(size, size1, op0, op1)\
{\
int res, flags;\
flags = 0;\
res = 0;\
asm ("push %3\n\t"\
"popf\n\t"\
"imul" size " $" #op0 ", %" size1 "2, %" size1 "0\n\t" \
"pushf\n\t"\
"popl %1\n\t"\
: "=r" (res), "=g" (flags)\
: "r" (op1), "1" (flags), "0" (res));\
printf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",\
"imul" size, op0, op1, res, flags & CC_MASK);\
}
#undef CC_MASK
#define CC_MASK (0)
@ -452,6 +469,16 @@ void test_mul(void)
test_imull2(0x80000000, 0x80000000);
test_imull2(0x10000, 0x10000);
TEST_IMUL_IM("w", "w", 45, 0x1234);
TEST_IMUL_IM("w", "w", -45, 23);
TEST_IMUL_IM("w", "w", 0x8000, 0x80000000);
TEST_IMUL_IM("w", "w", 0x7fff, 0x1000);
TEST_IMUL_IM("l", "", 45, 0x1234);
TEST_IMUL_IM("l", "", -45, 23);
TEST_IMUL_IM("l", "", 0x8000, 0x80000000);
TEST_IMUL_IM("l", "", 0x7fff, 0x1000);
test_idivb(0x12341678, 0x127e);
test_idivb(0x43210123, -5);
test_idivb(0x12340004, -1);