ObjFW  Diff

Differences From Artifact [6bf3eb314e]:

• File src/runtime/lookup-asm/lookup-asm-x86-win32.S — part of check-in [943cf97843] at 2020-07-04 00:24:54 on branch tagged-pointers — Only use 4 bits to classify tagged pointers

  This leaves 28/60 bits for the value. (user: js, size: 1942) [annotate] [blame] [check-ins using]

To Artifact [a3d86ba076]:

• File src/runtime/lookup-asm/lookup-asm-x86-win32.S — part of check-in [0579faebb2] at 2020-07-05 14:06:24 on branch tagged-pointers — lookup-asm-x86(_64)-*.S: Shave off one instruction (user: js, size: 1931) [annotate] [blame] [check-ins using]

51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70

	test	eax, eax
	jz	\not_found

	ret

.Ltagged_pointer_\name:
	and	dl, 0xF
	shr	dl, 1
	movzx	edx, dl

	mov	eax, offset _objc_tagged_pointer_classes
	mov	edx, [eax+edx*4]
	mov	edx, [edx+32]

	jmp	short .Lmain_\name
.endm

.macro generate_lookup_super name lookup
\name:

|
<



|

51
52
53
54
55
56
57
58

59
60
61
62
63
64
65
66
67
68
69

	test	eax, eax
	jz	\not_found

	ret

.Ltagged_pointer_\name:
	and	dl, 0xE

	movzx	edx, dl

	mov	eax, offset _objc_tagged_pointer_classes
	mov	edx, [eax+edx*2]
	mov	edx, [edx+32]

	jmp	short .Lmain_\name
.endm

.macro generate_lookup_super name lookup
\name: