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-rw-r--r--yjit/src/codegen.rs12
-rw-r--r--yjit/src/cruby_bindings.inc.rs3
2 files changed, 9 insertions, 6 deletions
diff --git a/yjit/src/codegen.rs b/yjit/src/codegen.rs
index 14ce15a54e..f904c7e0e1 100644
--- a/yjit/src/codegen.rs
+++ b/yjit/src/codegen.rs
@@ -2046,8 +2046,8 @@ fn gen_get_ivar(
let expected_shape = unsafe { rb_shape_get_shape_id(comptime_receiver) };
let shape_bit_size = unsafe { rb_shape_id_num_bits() }; // either 16 or 32 depending on RUBY_DEBUG
- let shape_byte_size = shape_bit_size / 8;
- let shape_opnd = Opnd::mem(shape_bit_size, recv, RUBY_OFFSET_RBASIC_FLAGS + (8 - shape_byte_size as i32));
+ let shape_id_offset = unsafe { rb_shape_id_offset() };
+ let shape_opnd = Opnd::mem(shape_bit_size, recv, shape_id_offset);
asm.comment("guard shape");
asm.cmp(shape_opnd, Opnd::UImm(expected_shape as u64));
@@ -2270,8 +2270,8 @@ fn gen_setinstancevariable(
let expected_shape = unsafe { rb_shape_get_shape_id(comptime_receiver) };
let shape_bit_size = unsafe { rb_shape_id_num_bits() }; // either 16 or 32 depending on RUBY_DEBUG
- let shape_byte_size = shape_bit_size / 8;
- let shape_opnd = Opnd::mem(shape_bit_size, recv, RUBY_OFFSET_RBASIC_FLAGS + (8 - shape_byte_size as i32));
+ let shape_id_offset = unsafe { rb_shape_id_offset() };
+ let shape_opnd = Opnd::mem(shape_bit_size, recv, shape_id_offset);
asm.comment("guard shape");
asm.cmp(shape_opnd, Opnd::UImm(expected_shape as u64));
@@ -2335,8 +2335,8 @@ fn gen_setinstancevariable(
asm.comment("write shape");
let shape_bit_size = unsafe { rb_shape_id_num_bits() }; // either 16 or 32 depending on RUBY_DEBUG
- let shape_byte_size = shape_bit_size / 8;
- let shape_opnd = Opnd::mem(shape_bit_size, recv, RUBY_OFFSET_RBASIC_FLAGS + (8 - shape_byte_size as i32));
+ let shape_id_offset = unsafe { rb_shape_id_offset() };
+ let shape_opnd = Opnd::mem(shape_bit_size, recv, shape_id_offset);
// Store the new shape
asm.store(shape_opnd, Opnd::UImm(new_shape_id as u64));
diff --git a/yjit/src/cruby_bindings.inc.rs b/yjit/src/cruby_bindings.inc.rs
index d2ad67e802..6f99a4441d 100644
--- a/yjit/src/cruby_bindings.inc.rs
+++ b/yjit/src/cruby_bindings.inc.rs
@@ -444,6 +444,9 @@ extern "C" {
pub fn rb_shape_id_num_bits() -> u8;
}
extern "C" {
+ pub fn rb_shape_id_offset() -> i32;
+}
+extern "C" {
pub fn rb_shape_flag_mask() -> u64;
}
extern "C" {