156 lines
3.5 KiB
C++
Executable File
156 lines
3.5 KiB
C++
Executable File
#include <stdio.h>
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#include <string.h>
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#define NUM_OF_ARRAY(x) (sizeof(x) / sizeof(x[0]))
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void genVsibSub(bool isJIT, const char *name, const char *tbl[], size_t tblSize)
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{
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for (size_t i = 0; i < tblSize; i++) {
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if (isJIT) {
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printf("%s (ymm7, ptr[", name);
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} else {
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printf("%s ymm7, [", name);
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}
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printf("%s", tbl[i]);
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if (isJIT) {
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printf("], ymm4); dump();\n");
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} else {
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printf("], ymm4\n");
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}
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}
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}
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void genVsib(bool isJIT)
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{
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if (isJIT) puts("void genVsib() {");
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const char *vm32xTbl[] = {
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"xmm0",
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"xmm0 * 1",
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"xmm0 + 4",
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"xmm0 + eax",
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"xmm0 * 4 + ecx",
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"xmm3 * 8 + edi + 123",
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"xmm2 * 2 + 5",
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"eax + xmm0",
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"esp + xmm4",
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};
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const char *vm32yTbl[] = {
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"ymm0",
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"ymm0 * 1",
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"ymm0 + 4",
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"ymm0 + eax",
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"ymm0 * 4 + ecx",
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"ymm3 * 8 + edi + 123",
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"ymm2 * 2 + 5",
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"eax + ymm0",
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"esp + ymm4",
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};
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genVsibSub(isJIT, "vgatherdpd", vm32xTbl, NUM_OF_ARRAY(vm32xTbl));
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genVsibSub(isJIT, "vgatherqpd", vm32yTbl, NUM_OF_ARRAY(vm32yTbl));
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#ifdef XBYAK64
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const char *vm32x64Tbl[] = {
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"xmm0 + r11",
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"r13 + xmm15",
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"123 + rsi + xmm2 * 4",
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};
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genVsibSub(isJIT, "vgatherdpd", vm32x64Tbl, NUM_OF_ARRAY(vm32x64Tbl));
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#endif
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if (isJIT) puts("}");
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}
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void genAddress(bool isJIT, const char regTbl[][5], size_t regTblNum)
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{
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int count = 0;
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int funcNum = 1;
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if (isJIT) {
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puts("void gen0(){");
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}
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for (size_t i = 0; i < regTblNum + 1; i++) {
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const char *base = regTbl[i];
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for (size_t j = 0; j < regTblNum + 1; j++) {
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if (j == 4) continue; /* esp is not index register */
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const char *index = regTbl[j];
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static const int scaleTbl[] = { 0, 1, 2, 4, 8 };
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for (size_t k = 0; k < NUM_OF_ARRAY(scaleTbl); k++) {
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int scale = scaleTbl[k];
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static const int dispTbl[] = { 0, 1, 1000, -1, -1000 };
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for (size_t m = 0; m < NUM_OF_ARRAY(dispTbl); m++) {
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int disp = dispTbl[m];
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bool isFirst = true;
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if (isJIT) {
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printf("mov (ecx, ptr[");
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} else {
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printf("mov ecx, [");
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}
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if (i < regTblNum) {
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printf("%s", base);
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isFirst = false;
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}
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if (j < regTblNum) {
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if (!isFirst) putchar('+');
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printf("%s", index);
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if (scale) printf("*%d", scale);
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isFirst = false;
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}
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if (isFirst) {
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if (isJIT) printf("(void*)");
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printf("0x%08X", disp);
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} else {
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if (disp >= 0) {
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putchar('+');
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}
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printf("%d", disp);
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isFirst = false;
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}
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if (isJIT) {
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printf("]); dump();\n");
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} else {
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printf("]\n");
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}
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if (isJIT) {
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count++;
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if ((count % 100) == 0) {
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printf("}\n void gen%d(){\n", funcNum++);
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}
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}
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}
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}
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}
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}
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if (isJIT) puts("}");
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genVsib(isJIT);
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if (isJIT) {
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printf("void gen(){\n");
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for (int i = 0; i < funcNum; i++) {
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printf(" gen%d();\n", i);
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}
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puts("genVsib();");
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printf("}\n");
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}
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}
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int main(int argc, char *argv[])
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{
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argc--, argv++;
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bool phase = argc > 0 && strcmp(*argv, "1") == 0;
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bool isJIT = (argc > 1);
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fprintf(stderr, "phase:%c %s\n", phase ? '1' : '2', isJIT ? "jit" : "asm");
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if (phase) {
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fprintf(stderr, "32bit reg\n");
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static const char reg32Tbl[][5] = {
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"eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi",
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#ifdef XBYAK64
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"r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d",
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#endif
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};
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genAddress(isJIT, reg32Tbl, NUM_OF_ARRAY(reg32Tbl));
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} else {
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#ifdef XBYAK64
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fprintf(stderr, "64bit reg\n");
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static const char reg64Tbl[][5] = {
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"rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
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};
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genAddress(isJIT, reg64Tbl, NUM_OF_ARRAY(reg64Tbl));
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#endif
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}
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}
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