git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@26 c046a42c-6fe2-441c-8c8c-71466251a162
636 lines
15 KiB
C
636 lines
15 KiB
C
#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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#define OP shld
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#define OP_SHIFTD
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#define OP_NOBYTE
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#include "test-i386-shift.h"
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#define OP shrd
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#define OP_SHIFTD
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#define OP_NOBYTE
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#include "test-i386-shift.h"
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/* XXX: should be more precise ? */
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#undef CC_MASK
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#define CC_MASK (CC_C)
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#define OP bt
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#define OP_NOBYTE
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#include "test-i386-shift.h"
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#define OP bts
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#define OP_NOBYTE
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#include "test-i386-shift.h"
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#define OP btr
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#define OP_NOBYTE
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#include "test-i386-shift.h"
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#define OP btc
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#define OP_NOBYTE
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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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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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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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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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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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test_mulw(0, 0x1234001d, 45);
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test_mulw(0, 23, -45);
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test_mulw(0, 0x8000, 0x8000);
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test_mulw(0, 0x100, 0x100);
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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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test_imulw2(0x1234001d, 45);
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test_imulw2(23, -45);
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test_imulw2(0x8000, 0x8000);
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test_imulw2(0x100, 0x100);
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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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test_idivb(0x12341678, 0x127e);
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test_idivb(0x43210123, -5);
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test_idivb(0x12340004, -1);
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test_idivw(0, 0x12345678, 12347);
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test_idivw(0, -23223, -45);
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test_idivw(0, 0x12348000, -1);
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test_idivw(0x12343, 0x12345678, 0x81238567);
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test_idivl(0, 0x12345678, 12347);
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test_idivl(0, -233223, -45);
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test_idivl(0, 0x80000000, -1);
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test_idivl(0x12343, 0x12345678, 0x81234567);
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test_divb(0x12341678, 0x127e);
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test_divb(0x43210123, -5);
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test_divb(0x12340004, -1);
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test_divw(0, 0x12345678, 12347);
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test_divw(0, -23223, -45);
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test_divw(0, 0x12348000, -1);
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test_divw(0x12343, 0x12345678, 0x81238567);
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test_divl(0, 0x12345678, 12347);
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test_divl(0, -233223, -45);
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test_divl(0, 0x80000000, -1);
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test_divl(0x12343, 0x12345678, 0x81234567);
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}
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#define TEST_BSX(op, size, op0)\
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{\
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int res, val, resz;\
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val = op0;\
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asm("xorl %1, %1 ; " #op " %" size "2, %" size "0 ; setz %b1" \
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: "=r" (res), "=q" (resz)\
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: "g" (val));\
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printf("%-10s A=%08x R=%08x %d\n", #op, val, resz ? 0 : res, resz);\
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}
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void test_bsx(void)
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{
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TEST_BSX(bsrw, "w", 0);
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TEST_BSX(bsrw, "w", 0x12340128);
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TEST_BSX(bsrl, "", 0);
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TEST_BSX(bsrl, "", 0x00340128);
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TEST_BSX(bsfw, "w", 0);
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TEST_BSX(bsfw, "w", 0x12340128);
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TEST_BSX(bsfl, "", 0);
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TEST_BSX(bsfl, "", 0x00340128);
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}
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/**********************************************/
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void test_fops(double a, double b)
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{
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printf("a=%f b=%f a+b=%f\n", a, b, a + b);
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printf("a=%f b=%f a-b=%f\n", a, b, a - b);
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printf("a=%f b=%f a*b=%f\n", a, b, a * b);
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printf("a=%f b=%f a/b=%f\n", a, b, a / b);
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printf("a=%f b=%f fmod(a, b)=%f\n", a, b, fmod(a, b));
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printf("a=%f sqrt(a)=%f\n", a, sqrt(a));
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printf("a=%f sin(a)=%f\n", a, sin(a));
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printf("a=%f cos(a)=%f\n", a, cos(a));
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printf("a=%f tan(a)=%f\n", a, tan(a));
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printf("a=%f log(a)=%f\n", a, log(a));
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printf("a=%f exp(a)=%f\n", a, exp(a));
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printf("a=%f b=%f atan2(a, b)=%f\n", a, b, atan2(a, b));
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/* just to test some op combining */
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printf("a=%f asin(sin(a))=%f\n", a, asin(sin(a)));
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printf("a=%f acos(cos(a))=%f\n", a, acos(cos(a)));
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printf("a=%f atan(tan(a))=%f\n", a, atan(tan(a)));
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}
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void test_fcmp(double a, double b)
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{
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printf("(%f<%f)=%d\n",
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a, b, a < b);
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printf("(%f<=%f)=%d\n",
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a, b, a <= b);
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printf("(%f==%f)=%d\n",
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a, b, a == b);
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printf("(%f>%f)=%d\n",
|
|
a, b, a > b);
|
|
printf("(%f<=%f)=%d\n",
|
|
a, b, a >= b);
|
|
}
|
|
|
|
void test_fcvt(double a)
|
|
{
|
|
float fa;
|
|
long double la;
|
|
|
|
fa = a;
|
|
la = a;
|
|
printf("(float)%f = %f\n", a, fa);
|
|
printf("(long double)%f = %Lf\n", a, la);
|
|
printf("a=%016Lx\n", *(long long *)&a);
|
|
printf("la=%016Lx %04x\n", *(long long *)&la,
|
|
*(unsigned short *)((char *)(&la) + 8));
|
|
printf("a=%f floor(a)=%f\n", a, floor(a));
|
|
printf("a=%f ceil(a)=%f\n", a, ceil(a));
|
|
printf("a=%f rint(a)=%f\n", a, rint(a));
|
|
}
|
|
|
|
#define TEST(N) \
|
|
asm("fld" #N : "=t" (a)); \
|
|
printf("fld" #N "= %f\n", a);
|
|
|
|
void test_fconst(void)
|
|
{
|
|
double a;
|
|
TEST(1);
|
|
TEST(l2t);
|
|
TEST(l2e);
|
|
TEST(pi);
|
|
TEST(lg2);
|
|
TEST(ln2);
|
|
TEST(z);
|
|
}
|
|
|
|
void test_fbcd(double a)
|
|
{
|
|
unsigned short bcd[5];
|
|
double b;
|
|
|
|
asm("fbstp %0" : "=m" (bcd[0]) : "t" (a) : "st");
|
|
asm("fbld %1" : "=t" (b) : "m" (bcd[0]));
|
|
printf("a=%f bcd=%04x%04x%04x%04x%04x b=%f\n",
|
|
a, bcd[4], bcd[3], bcd[2], bcd[1], bcd[0], b);
|
|
}
|
|
|
|
void test_floats(void)
|
|
{
|
|
test_fops(2, 3);
|
|
test_fops(1.4, -5);
|
|
test_fcmp(2, -1);
|
|
test_fcmp(2, 2);
|
|
test_fcmp(2, 3);
|
|
test_fcvt(1.0/7.0);
|
|
test_fcvt(-1.0/9.0);
|
|
test_fcvt(1e30);
|
|
test_fconst();
|
|
test_fbcd(1234567890123456);
|
|
test_fbcd(-123451234567890);
|
|
}
|
|
|
|
/**********************************************/
|
|
|
|
#define TEST_BCD(op, op0, cc_in, cc_mask)\
|
|
{\
|
|
int res, flags;\
|
|
res = op0;\
|
|
flags = cc_in;\
|
|
asm ("push %3\n\t"\
|
|
"popf\n\t"\
|
|
#op "\n\t"\
|
|
"pushf\n\t"\
|
|
"popl %1\n\t"\
|
|
: "=a" (res), "=g" (flags)\
|
|
: "0" (res), "1" (flags));\
|
|
printf("%-10s A=%08x R=%08x CCIN=%04x CC=%04x\n",\
|
|
#op, op0, res, cc_in, flags & cc_mask);\
|
|
}
|
|
|
|
void test_bcd(void)
|
|
{
|
|
TEST_BCD(daa, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(daa, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(daa, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(daa, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(daa, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(daa, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(daa, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(daa, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(daa, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(daa, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(daa, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(daa, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(daa, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
|
|
TEST_BCD(das, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(das, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(das, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(das, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(das, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(das, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(das, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(das, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(das, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(das, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(das, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(das, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
TEST_BCD(das, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
|
|
|
TEST_BCD(aaa, 0x12340205, CC_A, (CC_C | CC_A));
|
|
TEST_BCD(aaa, 0x12340306, CC_A, (CC_C | CC_A));
|
|
TEST_BCD(aaa, 0x1234040a, CC_A, (CC_C | CC_A));
|
|
TEST_BCD(aaa, 0x123405fa, CC_A, (CC_C | CC_A));
|
|
TEST_BCD(aaa, 0x12340205, 0, (CC_C | CC_A));
|
|
TEST_BCD(aaa, 0x12340306, 0, (CC_C | CC_A));
|
|
TEST_BCD(aaa, 0x1234040a, 0, (CC_C | CC_A));
|
|
TEST_BCD(aaa, 0x123405fa, 0, (CC_C | CC_A));
|
|
|
|
TEST_BCD(aas, 0x12340205, CC_A, (CC_C | CC_A));
|
|
TEST_BCD(aas, 0x12340306, CC_A, (CC_C | CC_A));
|
|
TEST_BCD(aas, 0x1234040a, CC_A, (CC_C | CC_A));
|
|
TEST_BCD(aas, 0x123405fa, CC_A, (CC_C | CC_A));
|
|
TEST_BCD(aas, 0x12340205, 0, (CC_C | CC_A));
|
|
TEST_BCD(aas, 0x12340306, 0, (CC_C | CC_A));
|
|
TEST_BCD(aas, 0x1234040a, 0, (CC_C | CC_A));
|
|
TEST_BCD(aas, 0x123405fa, 0, (CC_C | CC_A));
|
|
|
|
TEST_BCD(aam, 0x12340547, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));
|
|
TEST_BCD(aad, 0x12340407, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));
|
|
}
|
|
|
|
|
|
static void *call_end __init_call = NULL;
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
void **ptr;
|
|
void (*func)(void);
|
|
|
|
ptr = &call_start + 1;
|
|
while (*ptr != NULL) {
|
|
func = *ptr++;
|
|
func();
|
|
}
|
|
test_bsx();
|
|
test_mul();
|
|
test_jcc();
|
|
test_lea();
|
|
test_floats();
|
|
test_bcd();
|
|
return 0;
|
|
}
|