Try out unboxing integers.
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579c7bad92
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@ -225,12 +225,7 @@ Value* llvm_context::unwrap_gmachine_stack_ptr(Value* g) {
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}
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}
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Value* llvm_context::unwrap_num(Value* v) {
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Value* llvm_context::unwrap_num(Value* v) {
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auto num_ptr_type = PointerType::getUnqual(struct_types.at("node_num"));
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return builder.CreatePtrToInt(v, IntegerType::getInt32Ty(ctx));
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auto cast = builder.CreatePointerCast(v, num_ptr_type);
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auto offset_0 = create_i32(0);
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auto offset_1 = create_i32(1);
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auto int_ptr = builder.CreateGEP(cast, { offset_0, offset_1 });
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return builder.CreateLoad(int_ptr);
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}
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}
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Value* llvm_context::create_num(Function* f, Value* v) {
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Value* llvm_context::create_num(Function* f, Value* v) {
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auto alloc_num_f = functions.at("alloc_num");
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auto alloc_num_f = functions.at("alloc_num");
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@ -1,9 +1,13 @@
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#include <bits/stdint-intn.h>
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#include <stdint.h>
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#include <stdint.h>
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#include <assert.h>
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#include <assert.h>
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#include <memory.h>
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#include <memory.h>
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#include <stdio.h>
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#include <stdio.h>
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#include "runtime.h"
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#include "runtime.h"
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#define INT_MARKER (1l << 63)
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#define IS_INT(n) ((uint64_t) n & INT_MARKER)
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struct node_base* alloc_node() {
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struct node_base* alloc_node() {
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struct node_base* new_node = malloc(sizeof(struct node_app));
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struct node_base* new_node = malloc(sizeof(struct node_app));
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new_node->gc_next = NULL;
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new_node->gc_next = NULL;
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@ -21,10 +25,7 @@ struct node_app* alloc_app(struct node_base* l, struct node_base* r) {
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}
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}
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struct node_num* alloc_num(int32_t n) {
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struct node_num* alloc_num(int32_t n) {
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struct node_num* node = (struct node_num*) alloc_node();
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return (struct node_num*) (INT_MARKER | n);
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node->base.tag = NODE_NUM;
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node->value = n;
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return node;
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}
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}
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struct node_global* alloc_global(void (*f)(struct gmachine*), int32_t a) {
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struct node_global* alloc_global(void (*f)(struct gmachine*), int32_t a) {
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@ -49,7 +50,7 @@ void free_node_direct(struct node_base* n) {
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}
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}
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void gc_visit_node(struct node_base* n) {
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void gc_visit_node(struct node_base* n) {
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if(n->gc_reachable) return;
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if(IS_INT(n) || n->gc_reachable) return;
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n->gc_reachable = 1;
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n->gc_reachable = 1;
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if(n->tag == NODE_APP) {
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if(n->tag == NODE_APP) {
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@ -169,6 +170,7 @@ void gmachine_split(struct gmachine* g, size_t n) {
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}
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}
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struct node_base* gmachine_track(struct gmachine* g, struct node_base* b) {
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struct node_base* gmachine_track(struct gmachine* g, struct node_base* b) {
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if(IS_INT(b)) return b;
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g->gc_node_count++;
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g->gc_node_count++;
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b->gc_next = g->gc_nodes;
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b->gc_next = g->gc_nodes;
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g->gc_nodes = b;
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g->gc_nodes = b;
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@ -208,7 +210,9 @@ void unwind(struct gmachine* g) {
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while(1) {
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while(1) {
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struct node_base* peek = stack_peek(s, 0);
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struct node_base* peek = stack_peek(s, 0);
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if(peek->tag == NODE_APP) {
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if(IS_INT(peek)) {
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break;
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} else if(peek->tag == NODE_APP) {
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struct node_app* n = (struct node_app*) peek;
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struct node_app* n = (struct node_app*) peek;
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stack_push(s, n->left);
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stack_push(s, n->left);
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} else if(peek->tag == NODE_GLOBAL) {
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} else if(peek->tag == NODE_GLOBAL) {
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@ -234,7 +238,9 @@ void unwind(struct gmachine* g) {
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extern void f_main(struct gmachine* s);
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extern void f_main(struct gmachine* s);
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void print_node(struct node_base* n) {
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void print_node(struct node_base* n) {
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if(n->tag == NODE_APP) {
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if(IS_INT(n)) {
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printf("%d", (int32_t) n);
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} else if(n->tag == NODE_APP) {
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struct node_app* app = (struct node_app*) n;
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struct node_app* app = (struct node_app*) n;
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print_node(app->left);
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print_node(app->left);
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putchar(' ');
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putchar(' ');
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@ -246,9 +252,6 @@ void print_node(struct node_base* n) {
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printf("(Global: %p)", global->function);
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printf("(Global: %p)", global->function);
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} else if(n->tag == NODE_IND) {
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} else if(n->tag == NODE_IND) {
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print_node(((struct node_ind*) n)->next);
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print_node(((struct node_ind*) n)->next);
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} else if(n->tag == NODE_NUM) {
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struct node_num* num = (struct node_num*) n;
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printf("%d", num->value);
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}
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}
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}
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}
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