kotovalexarian-likes-github/ruby--ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
Code Releases Activity

Implement generic setlocal

Browse source
This commit is contained in:
John Hawthorn 2021-09-17 08:26:38 -07:00 committed by Alan Wu
parent 90de2dc703
commit 82f60df5aa
1 changed files with 44 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

44
yjit_codegen.c
View file

@ -1322,6 +1322,48 @@ gen_setlocal_wc0(jitstate_t* jit, ctx_t* ctx)
return YJIT_KEEP_COMPILING;
}
static codegen_status_t
gen_setlocal_generic(jitstate_t *jit, ctx_t* ctx, uint32_t local_idx, uint32_t level)
{
// Load environment pointer EP at level
gen_get_ep(cb, REG0, level);
// flags & VM_ENV_FLAG_WB_REQUIRED
x86opnd_t flags_opnd = mem_opnd(64, REG0, sizeof(VALUE) * VM_ENV_DATA_INDEX_FLAGS);
test(cb, flags_opnd, imm_opnd(VM_ENV_FLAG_WB_REQUIRED));
// Create a size-exit to fall back to the interpreter
uint8_t *side_exit = yjit_side_exit(jit, ctx);
// if (flags & VM_ENV_FLAG_WB_REQUIRED) != 0
jnz_ptr(cb, side_exit);
// Pop the value to write from the stack
x86opnd_t stack_top = ctx_stack_pop(ctx, 1);
mov(cb, REG1, stack_top);
// Write the value at the environment pointer
const int32_t offs = -(SIZEOF_VALUE * local_idx);
mov(cb, mem_opnd(64, REG0, offs), REG1);
return YJIT_KEEP_COMPILING;
}
static codegen_status_t
gen_setlocal(jitstate_t* jit, ctx_t* ctx)
{
int32_t idx = (int32_t)jit_get_arg(jit, 0);
int32_t level = (int32_t)jit_get_arg(jit, 1);
return gen_setlocal_generic(jit, ctx, idx, level);
}
static codegen_status_t
gen_setlocal_wc1(jitstate_t* jit, ctx_t* ctx)
{
int32_t idx = (int32_t)jit_get_arg(jit, 0);
return gen_setlocal_generic(jit, ctx, idx, 1);
}
// Check that `self` is a pointer to an object on the GC heap
static void
guard_self_is_heap(codeblock_t *cb, x86opnd_t self_opnd, uint8_t *side_exit, ctx_t *ctx)
@ -4313,7 +4355,9 @@ yjit_init_codegen(void)
yjit_reg_op(BIN(getlocal), gen_getlocal);
yjit_reg_op(BIN(getlocal_WC_0), gen_getlocal_wc0);
yjit_reg_op(BIN(getlocal_WC_1), gen_getlocal_wc1);
yjit_reg_op(BIN(setlocal), gen_setlocal);
yjit_reg_op(BIN(setlocal_WC_0), gen_setlocal_wc0);
yjit_reg_op(BIN(setlocal_WC_1), gen_setlocal_wc1);
yjit_reg_op(BIN(getinstancevariable), gen_getinstancevariable);
yjit_reg_op(BIN(setinstancevariable), gen_setinstancevariable);
yjit_reg_op(BIN(defined), gen_defined);