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added cmov instruction

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@32 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-03-16 22:54:06 +00:00
parent 60cd49d5d7
commit 5dd9488c09
5 changed files with 125 additions and 65 deletions
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114
tests/test-i386.c
View file

@ -3,6 +3,8 @@
#include <inttypes.h>
#include <math.h>
#define TEST_CMOV 0
#define xglue(x, y) x ## y
#define glue(x, y) xglue(x, y)
#define stringify(s) tostring(s)
@ -225,79 +227,99 @@ void test_lea(void)
#define TEST_JCC(JCC, v1, v2)\
{\
int res;\
asm("movl $1, %0\n\t"\
"cmpl %2, %1\n\t"\
JCC " 1f\n\t"\
"j" JCC " 1f\n\t"\
"movl $0, %0\n\t"\
"1:\n\t"\
: "=r" (res)\
: "r" (v1), "r" (v2));\
printf("%-10s %d\n", JCC, res);\
printf("%-10s %d\n", "j" JCC, res);\
\
asm("movl $0, %0\n\t"\
"cmpl %2, %1\n\t"\
"set" JCC " %b0\n\t"\
: "=r" (res)\
: "r" (v1), "r" (v2));\
printf("%-10s %d\n", "set" JCC, res);\
if (TEST_CMOV) {\
asm("movl $0x12345678, %0\n\t"\
"cmpl %2, %1\n\t"\
"cmov" JCC "l %3, %0\n\t"\
: "=r" (res)\
: "r" (v1), "r" (v2), "m" (1));\
printf("%-10s R=0x%08x\n", "cmov" JCC "l", res);\
asm("movl $0x12345678, %0\n\t"\
"cmpl %2, %1\n\t"\
"cmov" JCC "w %w3, %w0\n\t"\
: "=r" (res)\
: "r" (v1), "r" (v2), "r" (1));\
printf("%-10s R=0x%08x\n", "cmov" JCC "w", res);\
} \
}
/* various jump tests */
void test_jcc(void)
{
int res;
TEST_JCC("ne", 1, 1);
TEST_JCC("ne", 1, 0);
TEST_JCC("jne", 1, 1);
TEST_JCC("jne", 1, 0);
TEST_JCC("e", 1, 1);
TEST_JCC("e", 1, 0);
TEST_JCC("je", 1, 1);
TEST_JCC("je", 1, 0);
TEST_JCC("l", 1, 1);
TEST_JCC("l", 1, 0);
TEST_JCC("l", 1, -1);
TEST_JCC("jl", 1, 1);
TEST_JCC("jl", 1, 0);
TEST_JCC("jl", 1, -1);
TEST_JCC("le", 1, 1);
TEST_JCC("le", 1, 0);
TEST_JCC("le", 1, -1);
TEST_JCC("jle", 1, 1);
TEST_JCC("jle", 1, 0);
TEST_JCC("jle", 1, -1);
TEST_JCC("ge", 1, 1);
TEST_JCC("ge", 1, 0);
TEST_JCC("ge", -1, 1);
TEST_JCC("jge", 1, 1);
TEST_JCC("jge", 1, 0);
TEST_JCC("jge", -1, 1);
TEST_JCC("g", 1, 1);
TEST_JCC("g", 1, 0);
TEST_JCC("g", 1, -1);
TEST_JCC("jg", 1, 1);
TEST_JCC("jg", 1, 0);
TEST_JCC("jg", 1, -1);
TEST_JCC("b", 1, 1);
TEST_JCC("b", 1, 0);
TEST_JCC("b", 1, -1);
TEST_JCC("jb", 1, 1);
TEST_JCC("jb", 1, 0);
TEST_JCC("jb", 1, -1);
TEST_JCC("be", 1, 1);
TEST_JCC("be", 1, 0);
TEST_JCC("be", 1, -1);
TEST_JCC("jbe", 1, 1);
TEST_JCC("jbe", 1, 0);
TEST_JCC("jbe", 1, -1);
TEST_JCC("ae", 1, 1);
TEST_JCC("ae", 1, 0);
TEST_JCC("ae", 1, -1);
TEST_JCC("jae", 1, 1);
TEST_JCC("jae", 1, 0);
TEST_JCC("jae", 1, -1);
TEST_JCC("ja", 1, 1);
TEST_JCC("ja", 1, 0);
TEST_JCC("ja", 1, -1);
TEST_JCC("a", 1, 1);
TEST_JCC("a", 1, 0);
TEST_JCC("a", 1, -1);
TEST_JCC("jp", 1, 1);
TEST_JCC("jp", 1, 0);
TEST_JCC("p", 1, 1);
TEST_JCC("p", 1, 0);
TEST_JCC("jnp", 1, 1);
TEST_JCC("jnp", 1, 0);
TEST_JCC("np", 1, 1);
TEST_JCC("np", 1, 0);
TEST_JCC("jo", 0x7fffffff, 0);
TEST_JCC("jo", 0x7fffffff, -1);
TEST_JCC("o", 0x7fffffff, 0);
TEST_JCC("o", 0x7fffffff, -1);
TEST_JCC("jno", 0x7fffffff, 0);
TEST_JCC("jno", 0x7fffffff, -1);
TEST_JCC("no", 0x7fffffff, 0);
TEST_JCC("no", 0x7fffffff, -1);
TEST_JCC("js", 0, 1);
TEST_JCC("js", 0, -1);
TEST_JCC("js", 0, 0);
TEST_JCC("s", 0, 1);
TEST_JCC("s", 0, -1);
TEST_JCC("s", 0, 0);
TEST_JCC("jns", 0, 1);
TEST_JCC("jns", 0, -1);
TEST_JCC("jns", 0, 0);
TEST_JCC("ns", 0, 1);
TEST_JCC("ns", 0, -1);
TEST_JCC("ns", 0, 0);
}
#undef CC_MASK