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Improve threading support further

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This commit is contained in:
Justine Tunney 2022-05-17 04:14:28 -07:00
parent 8bfb70ca3f
commit ce71677156
61 changed files with 882 additions and 747 deletions
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30
third_party/chibicc/codegen.c vendored
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@ -1547,6 +1547,14 @@ void gen_expr(Node *node) {
println("\txchg\t%s,(%%rdi)", reg_ax(node->ty->size));
return;
}
case ND_TESTANDSETA: {
gen_expr(node->lhs);
push();
println("\tmov\t$1,%%eax");
pop("%rdi");
println("\txchg\t%s,(%%rdi)", reg_ax(node->ty->size));
return;
}
case ND_LOAD: {
gen_expr(node->rhs);
push();
@ -1556,6 +1564,28 @@ void gen_expr(Node *node) {
println("\tmov\t%s,(%%rdi)", reg_ax(node->ty->size));
return;
}
case ND_STORE: {
gen_expr(node->lhs);
push();
gen_expr(node->rhs);
pop("%rdi");
println("\tmov\t(%%rax),%s", reg_ax(node->ty->size));
println("\tmov\t%s,(%%rdi)", reg_ax(node->ty->size));
if (node->memorder) {
println("\tmfence");
}
return;
}
case ND_CLEAR: {
gen_expr(node->lhs);
println("\tmov\t%%rax,%%rdi");
println("\txor\t%%eax,%%eax");
println("\tmov\t%s,(%%rdi)", reg_ax(node->ty->size));
if (node->memorder) {
println("\tmfence");
}
return;
}
case ND_FETCHADD: {
gen_expr(node->lhs);
push();