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Compile putnil

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Maxime Chevalier-Boisvert 2020-09-16 15:30:23 -04:00 committed by Alan Wu
parent 8a5ced8eb5
commit 132f7e11fd
1 changed files with 15 additions and 2 deletions
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17
ujit_compile.c
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@ -195,8 +195,20 @@ void gen_putobject_int2fix(codeblock_t* cb, ctx_t* ctx)
mov(cb, mem_opnd(64, RDI, 8), RCX);
}
// TODO: putnil
// could we reuse code from putobject_int2fix here?
void gen_putnil(codeblock_t* cb, ctx_t* ctx)
{
// Load current SP into RAX
mov(cb, RAX, mem_opnd(64, RDI, 8));
// Write constant at SP
mov(cb, mem_opnd(64, RAX, 0), imm_opnd(Qnil));
// Load incremented SP into RCX
lea(cb, RCX, mem_opnd(64, RAX, 8));
// Write back incremented SP
mov(cb, mem_opnd(64, RDI, 8), RCX);
}
// TODO: implement putself
@ -239,6 +251,7 @@ static void ujit_init()
// Map YARV opcodes to the corresponding codegen functions
st_insert(gen_fns, (st_data_t)BIN(nop), (st_data_t)&gen_nop);
st_insert(gen_fns, (st_data_t)BIN(pop), (st_data_t)&gen_pop);
st_insert(gen_fns, (st_data_t)BIN(putnil), (st_data_t)&gen_putnil);
st_insert(gen_fns, (st_data_t)BIN(putobject_INT2FIX_0_), (st_data_t)&gen_putobject_int2fix);
st_insert(gen_fns, (st_data_t)BIN(putobject_INT2FIX_1_), (st_data_t)&gen_putobject_int2fix);
st_insert(gen_fns, (st_data_t)BIN(getlocal_WC_0), (st_data_t)&gen_getlocal_wc0);