Differences From 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]
To Artifact [d8beb6d9cc]:
- File src/runtime/lookup-asm/lookup-asm-x86-elf.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: 2341) [annotate] [blame] [check-ins using]
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59 60 61 62 63 64 65 | 0: call get_eip add eax, offset _GLOBAL_OFFSET_TABLE_ lea eax, [eax+\not_found@GOTOFF] jmp eax .Ltagged_pointer_\name: | | < | | 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | 0: call get_eip add eax, offset _GLOBAL_OFFSET_TABLE_ lea eax, [eax+\not_found@GOTOFF] jmp eax .Ltagged_pointer_\name: and dl, 0xE movzx edx, dl call get_eip add eax, offset _GLOBAL_OFFSET_TABLE_ lea eax, [eax+objc_tagged_pointer_classes@GOTOFF] mov edx, [eax+edx*2] mov edx, [edx+32] jmp short .Lmain_\name .type \name, %function .size \name, .-\name .endm |
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