Differences From Artifact [c25a1420f7]:
- File src/runtime/lookup-asm/lookup-asm-x86-elf.S — part of check-in [c4a12e3fa1] at 2020-06-30 20:52:57 on branch tagged-pointers — Merge trunk into branch "tagged-pointers" (user: js, size: 2340) [annotate] [blame] [check-ins using] [more...]
To Artifact [6468f2e74c]:
- File
src/runtime/lookup-asm/lookup-asm-x86-elf.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: 2352) [annotate] [blame] [check-ins using]
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59 60 61 62 63 64 65 66 | 0: call get_eip add eax, offset _GLOBAL_OFFSET_TABLE_ lea eax, [eax+\not_found@GOTOFF] jmp eax .Ltagged_pointer_\name: movzx edx, dl | > > < | 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | 0: call get_eip add eax, offset _GLOBAL_OFFSET_TABLE_ lea eax, [eax+\not_found@GOTOFF] jmp eax .Ltagged_pointer_\name: and dl, 0xF shr dl, 1 movzx edx, dl call get_eip add eax, offset _GLOBAL_OFFSET_TABLE_ lea eax, [eax+objc_tagged_pointer_classes@GOTOFF] mov edx, [eax+edx*4] mov edx, [edx+32] |
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