SpookyDervish/Gravity
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starting work on codegen, need to work on reg allocation to progress

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SpookyDervish
2026-08-05 19:17:15 +10:00
parent 6de562b7c3
commit d6c448af87
8 changed files with 121 additions and 18 deletions
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31
src/generators/generator.c
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@@ -13,14 +13,20 @@ GravityTargetArch gravityNewTargetArch(const char* name) {
initStringBuff(outputBuff);
targetArch->outputBuffer = outputBuff;
targetArch->name = strdup(name);
targetArch->vars = NULL;
return targetArch;
}
void gravityTargetEmitInst(GravityTargetArch arch, GravityInstruction inst) {
arch->emitInst(arch, inst);
switch (inst.opcode) {
case GravityOpcodeIntConst: arch->emitIntConst(arch, inst.operands[0]); break;
case GravityOpcodeRet: arch->emitRet(arch, inst.operands[0]); break;
case GravityOpcodeAlloc: arch->emitAlloc(arch, inst.operands[0]->type->typeData, inst.result); break;
case GravityOpcodeStore: arch->emitStore(arch, inst.operands[0], inst.operands[1]); break;
case GravityOpcodeLoad: arch->emitLoad(arch, inst.operands[0], inst.result); break;
default: assert(false);
}
@@ -50,4 +56,29 @@ char* gravityTargetEmitModule(GravityTargetArch arch, GravityModule module) {
}
return arch->outputBuffer->data;
}
GravityType gravityResolveInstructionResult(GravityTargetArch arch, GravityInstruction inst) {
switch (inst.opcode) {
case GravityOpcodeAlloc: {
GravityType outType = gravityCreateType();
outType->typeKind = GravityPointerTypeKind;
outType->ptrType = inst.operands[0]->type->typeData;
return outType;
}
case GravityOpcodeLoad: {
GravityVarSlot* var;
HASH_FIND(hh, arch->vars, inst.operands[0], sizeof(void*), var);
if (!var) assert(false);
return var->type->ptrType;
}
default: assert(false);
}
}