Overview
| Comment: | lookup-asm-x86_64-macho.S: Support tagged pointers |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | tagged-pointers |
| Files: | files | file ages | folders |
| SHA3-256: |
3f2a6306a301d6080ada6be01b341f77 |
| User & Date: | js on 2020-07-04 14:21:17 |
| Other Links: | branch diff | manifest | tags |
Context
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2020-07-04
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| 22:30 | lookup-asm-sparc-elf.S: Support tagged pointers check-in: b14cbb56dd user: js tags: tagged-pointers | |
| 14:21 | lookup-asm-x86_64-macho.S: Support tagged pointers check-in: 3f2a6306a3 user: js tags: tagged-pointers | |
| 13:59 | lookup-asm-sparc64-elf.S: Non-PIC optimization check-in: e0b1a90547 user: js tags: tagged-pointers | |
Changes
Modified src/runtime/lookup-asm/lookup-asm-x86_64-macho.S from [679535bcad] to [0ccb921815].
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26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | .section __TEXT, __text, regular, pure_instructions .macro generate_lookup $0: test rdi, rdi jz ret_nil mov r8, [rdi] mov r8, [r8+64] Lmain_$0: mov rax, [rsi] movzx ecx, ah movzx edx, al #ifdef OF_SELUID24 shr eax, 16 mov r8, [r8+rax*8] #endif mov r8, [r8+rcx*8] mov rax, [r8+rdx*8] test rax, rax jz $1 ret .endmacro .macro generate_lookup_super $0: mov r8, rdi mov rdi, [rdi] test rdi, rdi | > > > > > > > > > > > > > > | 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | .section __TEXT, __text, regular, pure_instructions .macro generate_lookup $0: test rdi, rdi jz ret_nil bt edi, 0 jc Ltagged_pointer_$0 mov r8, [rdi] mov r8, [r8+64] Lmain_$0: mov rax, [rsi] movzx ecx, ah movzx edx, al #ifdef OF_SELUID24 shr eax, 16 mov r8, [r8+rax*8] #endif mov r8, [r8+rcx*8] mov rax, [r8+rdx*8] test rax, rax jz $1 ret Ltagged_pointer_$0: and dil, 0xF shr dil, 1 movzx r8, dil mov rax, [rip+_objc_tagged_pointer_classes] mov r8, [rax+r8*8] mov r8, [r8+64] jmp Lmain_$0 .endmacro .macro generate_lookup_super $0: mov r8, rdi mov rdi, [rdi] test rdi, rdi |
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