From: Avi Kivity <[email protected]> IMUL REG, R/M IMUL REG, R/M, IMM8 IMUL REG, R/M, IMM
Signed-off-by: Avi Kivity <[email protected]> diff --git a/x86/emulator.c b/x86/emulator.c index d30ca8e..b0d15c0 100644 --- a/x86/emulator.c +++ b/x86/emulator.c @@ -535,6 +535,47 @@ void test_bsfbsr(void *mem) report("bsrq r/m, reg", rax == 1); } +static void test_imul(ulong *mem) +{ + ulong a; + + *mem = 51; a = 0x1234567812345678UL; + asm ("imulw %1, %%ax" : "+a"(a) : "m"(*mem)); + report("imul ax, mem", a == 0x12345678123439e8); + + *mem = 51; a = 0x1234567812345678UL; + asm ("imull %1, %%eax" : "+a"(a) : "m"(*mem)); + report("imul eax, mem", a == 0xa06d39e8); + + *mem = 51; a = 0x1234567812345678UL; + asm ("imulq %1, %%rax" : "+a"(a) : "m"(*mem)); + report("imul rax, mem", a == 0xA06D39EBA06D39E8UL); + + *mem = 0x1234567812345678UL; a = 0x8765432187654321L; + asm ("imulw $51, %1, %%ax" : "+a"(a) : "m"(*mem)); + report("imul ax, mem, imm8", a == 0x87654321876539e8); + + *mem = 0x1234567812345678UL; + asm ("imull $51, %1, %%eax" : "+a"(a) : "m"(*mem)); + report("imul eax, mem, imm8", a == 0xa06d39e8); + + *mem = 0x1234567812345678UL; + asm ("imulq $51, %1, %%rax" : "+a"(a) : "m"(*mem)); + report("imul rax, mem, imm8", a == 0xA06D39EBA06D39E8UL); + + *mem = 0x1234567812345678UL; a = 0x8765432187654321L; + asm ("imulw $311, %1, %%ax" : "+a"(a) : "m"(*mem)); + report("imul ax, mem, imm", a == 0x8765432187650bc8); + + *mem = 0x1234567812345678UL; + asm ("imull $311, %1, %%eax" : "+a"(a) : "m"(*mem)); + report("imul eax, mem, imm", a == 0x1d950bc8); + + *mem = 0x1234567812345678UL; + asm ("imulq $311, %1, %%rax" : "+a"(a) : "m"(*mem)); + report("imul rax, mem, imm", a == 0x1D950BDE1D950BC8L); +} + int main() { void *mem; @@ -570,6 +611,7 @@ int main() test_incdecnotneg(mem); test_btc(mem); test_bsfbsr(mem); + test_imul(mem); printf("\nSUMMARY: %d tests, %d failures\n", tests, fails); return fails ? 1 : 0; -- To unsubscribe from this list: send the line "unsubscribe kvm-commits" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
