root / tests / test-i386.c @ 4b74fe1f
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <math.h> |
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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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#define stringify(s) tostring(s)
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#define tostring(s) #s |
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#define CC_C 0x0001 |
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#define CC_P 0x0004 |
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#define CC_A 0x0010 |
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#define CC_Z 0x0040 |
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#define CC_S 0x0080 |
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#define CC_O 0x0800 |
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#define __init_call __attribute__ ((unused,__section__ (".initcall.init"))) |
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static void *call_start __init_call = NULL; |
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#define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)
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#define OP add
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#include "test-i386.h" |
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#define OP sub
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#include "test-i386.h" |
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#define OP xor
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#include "test-i386.h" |
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#define OP and
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#include "test-i386.h" |
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#define OP or
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#include "test-i386.h" |
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#define OP cmp
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#include "test-i386.h" |
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#define OP adc
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#define OP_CC
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#include "test-i386.h" |
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#define OP sbb
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#define OP_CC
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#include "test-i386.h" |
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#define OP inc
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#define OP_CC
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#define OP1
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#include "test-i386.h" |
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#define OP dec
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#define OP_CC
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#define OP1
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#include "test-i386.h" |
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#define OP neg
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#define OP_CC
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#define OP1
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#include "test-i386.h" |
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#define OP not
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#define OP_CC
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#define OP1
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#include "test-i386.h" |
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#undef CC_MASK
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#define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O)
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#define OP shl
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#include "test-i386-shift.h" |
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#define OP shr
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#include "test-i386-shift.h" |
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#define OP sar
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#include "test-i386-shift.h" |
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#define OP rol
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#include "test-i386-shift.h" |
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#define OP ror
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#include "test-i386-shift.h" |
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#define OP rcr
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#define OP_CC
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#include "test-i386-shift.h" |
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#define OP rcl
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#define OP_CC
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#include "test-i386-shift.h" |
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/* lea test (modrm support) */
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#define TEST_LEA(STR)\
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{\
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asm("leal " STR ", %0"\ |
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: "=r" (res)\
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: "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\ |
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printf("lea %s = %08x\n", STR, res);\
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} |
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#define TEST_LEA16(STR)\
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{\
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asm(".code16 ; .byte 0x67 ; leal " STR ", %0 ; .code32"\ |
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: "=wq" (res)\
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: "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\ |
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printf("lea %s = %08x\n", STR, res);\
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} |
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void test_lea(void) |
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{
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int eax, ebx, ecx, edx, esi, edi, res;
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eax = 0x0001;
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ebx = 0x0002;
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ecx = 0x0004;
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edx = 0x0008;
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esi = 0x0010;
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edi = 0x0020;
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TEST_LEA("0x4000");
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TEST_LEA("(%%eax)");
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TEST_LEA("(%%ebx)");
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TEST_LEA("(%%ecx)");
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TEST_LEA("(%%edx)");
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TEST_LEA("(%%esi)");
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TEST_LEA("(%%edi)");
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TEST_LEA("0x40(%%eax)");
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TEST_LEA("0x40(%%ebx)");
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TEST_LEA("0x40(%%ecx)");
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TEST_LEA("0x40(%%edx)");
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TEST_LEA("0x40(%%esi)");
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TEST_LEA("0x40(%%edi)");
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TEST_LEA("0x4000(%%eax)");
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TEST_LEA("0x4000(%%ebx)");
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TEST_LEA("0x4000(%%ecx)");
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TEST_LEA("0x4000(%%edx)");
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TEST_LEA("0x4000(%%esi)");
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TEST_LEA("0x4000(%%edi)");
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TEST_LEA("(%%eax, %%ecx)");
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TEST_LEA("(%%ebx, %%edx)");
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TEST_LEA("(%%ecx, %%ecx)");
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TEST_LEA("(%%edx, %%ecx)");
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TEST_LEA("(%%esi, %%ecx)");
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TEST_LEA("(%%edi, %%ecx)");
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TEST_LEA("0x40(%%eax, %%ecx)");
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TEST_LEA("0x4000(%%ebx, %%edx)");
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TEST_LEA("(%%ecx, %%ecx, 2)");
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TEST_LEA("(%%edx, %%ecx, 4)");
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TEST_LEA("(%%esi, %%ecx, 8)");
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TEST_LEA("(,%%eax, 2)");
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TEST_LEA("(,%%ebx, 4)");
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TEST_LEA("(,%%ecx, 8)");
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TEST_LEA("0x40(,%%eax, 2)");
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TEST_LEA("0x40(,%%ebx, 4)");
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TEST_LEA("0x40(,%%ecx, 8)");
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TEST_LEA("-10(%%ecx, %%ecx, 2)");
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TEST_LEA("-10(%%edx, %%ecx, 4)");
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TEST_LEA("-10(%%esi, %%ecx, 8)");
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TEST_LEA("0x4000(%%ecx, %%ecx, 2)");
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TEST_LEA("0x4000(%%edx, %%ecx, 4)");
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TEST_LEA("0x4000(%%esi, %%ecx, 8)");
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/* limited 16 bit addressing test */
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TEST_LEA16("0x4000");
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TEST_LEA16("(%%bx)");
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TEST_LEA16("(%%si)");
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TEST_LEA16("(%%di)");
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TEST_LEA16("0x40(%%bx)");
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TEST_LEA16("0x40(%%si)");
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TEST_LEA16("0x40(%%di)");
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TEST_LEA16("0x4000(%%bx)");
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TEST_LEA16("0x4000(%%si)");
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TEST_LEA16("(%%bx,%%si)");
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TEST_LEA16("(%%bx,%%di)");
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TEST_LEA16("0x40(%%bx,%%si)");
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TEST_LEA16("0x40(%%bx,%%di)");
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TEST_LEA16("0x4000(%%bx,%%si)");
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TEST_LEA16("0x4000(%%bx,%%di)");
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} |
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#define TEST_JCC(JCC, v1, v2)\
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{\
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asm("movl $1, %0\n\t"\ |
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"cmpl %2, %1\n\t"\
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JCC " 1f\n\t"\
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"movl $0, %0\n\t"\
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"1:\n\t"\
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: "=r" (res)\
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: "r" (v1), "r" (v2));\ |
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printf("%-10s %d\n", JCC, res);\
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} |
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/* various jump tests */
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void test_jcc(void) |
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{
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int res;
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TEST_JCC("jne", 1, 1); |
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TEST_JCC("jne", 1, 0); |
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TEST_JCC("je", 1, 1); |
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TEST_JCC("je", 1, 0); |
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TEST_JCC("jl", 1, 1); |
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TEST_JCC("jl", 1, 0); |
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TEST_JCC("jl", 1, -1); |
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TEST_JCC("jle", 1, 1); |
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TEST_JCC("jle", 1, 0); |
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TEST_JCC("jle", 1, -1); |
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TEST_JCC("jge", 1, 1); |
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TEST_JCC("jge", 1, 0); |
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TEST_JCC("jge", -1, 1); |
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TEST_JCC("jg", 1, 1); |
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TEST_JCC("jg", 1, 0); |
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TEST_JCC("jg", 1, -1); |
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TEST_JCC("jb", 1, 1); |
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TEST_JCC("jb", 1, 0); |
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TEST_JCC("jb", 1, -1); |
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TEST_JCC("jbe", 1, 1); |
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TEST_JCC("jbe", 1, 0); |
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TEST_JCC("jbe", 1, -1); |
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TEST_JCC("jae", 1, 1); |
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TEST_JCC("jae", 1, 0); |
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TEST_JCC("jae", 1, -1); |
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TEST_JCC("ja", 1, 1); |
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TEST_JCC("ja", 1, 0); |
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TEST_JCC("ja", 1, -1); |
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TEST_JCC("jp", 1, 1); |
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TEST_JCC("jp", 1, 0); |
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TEST_JCC("jnp", 1, 1); |
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TEST_JCC("jnp", 1, 0); |
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TEST_JCC("jo", 0x7fffffff, 0); |
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TEST_JCC("jo", 0x7fffffff, -1); |
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TEST_JCC("jno", 0x7fffffff, 0); |
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TEST_JCC("jno", 0x7fffffff, -1); |
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TEST_JCC("js", 0, 1); |
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TEST_JCC("js", 0, -1); |
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TEST_JCC("js", 0, 0); |
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TEST_JCC("jns", 0, 1); |
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TEST_JCC("jns", 0, -1); |
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TEST_JCC("jns", 0, 0); |
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} |
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#undef CC_MASK
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#define CC_MASK (CC_O | CC_C)
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#define OP mul
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#include "test-i386-muldiv.h" |
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#define OP imul
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#include "test-i386-muldiv.h" |
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#undef CC_MASK
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#define CC_MASK (0) |
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#define OP div
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#include "test-i386-muldiv.h" |
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#define OP idiv
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#include "test-i386-muldiv.h" |
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void test_imulw2(int op0, int op1) |
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{
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int res, s1, s0, flags;
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s0 = op0; |
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s1 = op1; |
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res = s0; |
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flags = 0;
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asm ("push %4\n\t" |
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"popf\n\t"
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"imulw %w2, %w0\n\t"
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"pushf\n\t"
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"popl %1\n\t"
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: "=q" (res), "=g" (flags) |
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: "q" (s1), "0" (res), "1" (flags)); |
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printf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",
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"imulw", s0, s1, res, flags & CC_MASK);
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} |
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void test_imull2(int op0, int op1) |
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{
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int res, s1, s0, flags;
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s0 = op0; |
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s1 = op1; |
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res = s0; |
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flags = 0;
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asm ("push %4\n\t" |
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"popf\n\t"
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"imull %2, %0\n\t"
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"pushf\n\t"
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"popl %1\n\t"
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: "=q" (res), "=g" (flags) |
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: "q" (s1), "0" (res), "1" (flags)); |
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printf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",
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"imull", s0, s1, res, flags & CC_MASK);
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} |
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|
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void test_mul(void) |
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{
|
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test_imulb(0x1234561d, 4); |
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test_imulb(3, -4); |
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test_imulb(0x80, 0x80); |
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test_imulb(0x10, 0x10); |
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|
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test_imulw(0, 0x1234001d, 45); |
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test_imulw(0, 23, -45); |
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test_imulw(0, 0x8000, 0x8000); |
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test_imulw(0, 0x100, 0x100); |
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|
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test_imull(0, 0x1234001d, 45); |
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test_imull(0, 23, -45); |
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test_imull(0, 0x80000000, 0x80000000); |
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test_imull(0, 0x10000, 0x10000); |
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|
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test_mulb(0x1234561d, 4); |
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test_mulb(3, -4); |
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test_mulb(0x80, 0x80); |
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test_mulb(0x10, 0x10); |
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|
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test_mulw(0, 0x1234001d, 45); |
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test_mulw(0, 23, -45); |
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test_mulw(0, 0x8000, 0x8000); |
| 352 |
test_mulw(0, 0x100, 0x100); |
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|
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test_mull(0, 0x1234001d, 45); |
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test_mull(0, 23, -45); |
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test_mull(0, 0x80000000, 0x80000000); |
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test_mull(0, 0x10000, 0x10000); |
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|
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test_imulw2(0x1234001d, 45); |
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test_imulw2(23, -45); |
| 361 |
test_imulw2(0x8000, 0x8000); |
| 362 |
test_imulw2(0x100, 0x100); |
| 363 |
|
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test_imull2(0x1234001d, 45); |
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test_imull2(23, -45); |
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test_imull2(0x80000000, 0x80000000); |
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test_imull2(0x10000, 0x10000); |
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|
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test_idivb(0x12341678, 0x127e); |
| 370 |
test_idivb(0x43210123, -5); |
| 371 |
test_idivb(0x12340004, -1); |
| 372 |
|
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test_idivw(0, 0x12345678, 12347); |
| 374 |
test_idivw(0, -23223, -45); |
| 375 |
test_idivw(0, 0x12348000, -1); |
| 376 |
test_idivw(0x12343, 0x12345678, 0x81238567); |
| 377 |
|
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test_idivl(0, 0x12345678, 12347); |
| 379 |
test_idivl(0, -233223, -45); |
| 380 |
test_idivl(0, 0x80000000, -1); |
| 381 |
test_idivl(0x12343, 0x12345678, 0x81234567); |
| 382 |
|
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test_divb(0x12341678, 0x127e); |
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test_divb(0x43210123, -5); |
| 385 |
test_divb(0x12340004, -1); |
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|
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test_divw(0, 0x12345678, 12347); |
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test_divw(0, -23223, -45); |
| 389 |
test_divw(0, 0x12348000, -1); |
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test_divw(0x12343, 0x12345678, 0x81238567); |
| 391 |
|
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test_divl(0, 0x12345678, 12347); |
| 393 |
test_divl(0, -233223, -45); |
| 394 |
test_divl(0, 0x80000000, -1); |
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test_divl(0x12343, 0x12345678, 0x81234567); |
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} |
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|
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|
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static void *call_end __init_call = NULL; |
| 400 |
|
| 401 |
int main(int argc, char **argv) |
| 402 |
{
|
| 403 |
void **ptr;
|
| 404 |
void (*func)(void); |
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|
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test_mul(); |
| 407 |
#if 0
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ptr = &call_start + 1;
|
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while (*ptr != NULL) {
|
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func = *ptr++;
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func();
|
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}
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test_jcc();
|
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test_lea();
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#endif
|
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return 0; |
| 417 |
} |