Overview
Comment: | lookup-asm-x86(_64)-*.S: Shave off one instruction |
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Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | tagged-pointers |
Files: | files | file ages | folders |
SHA3-256: |
0579faebb2714f05abaf3e3c4d27519e |
User & Date: | js on 2020-07-05 14:06:24 |
Other Links: | branch diff | manifest | tags |
Context
2020-07-06
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20:07 | lookup-asm-mips64-n64-elf.S: Tagged pointers check-in: 681c2e3087 user: js tags: tagged-pointers | |
2020-07-05
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14:06 | lookup-asm-x86(_64)-*.S: Shave off one instruction check-in: 0579faebb2 user: js tags: tagged-pointers | |
12:30 | lookup-asm-arm64-elf.S: Support tagged pointers check-in: c31d10979d user: js tags: tagged-pointers | |
Changes
Modified src/runtime/lookup-asm/lookup-asm-x86-elf.S from [6468f2e74c] to [d8beb6d9cc].
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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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Modified src/runtime/lookup-asm/lookup-asm-x86-win32.S from [6bf3eb314e] to [a3d86ba076].
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51 52 53 54 55 56 57 | test eax, eax jz \not_found ret .Ltagged_pointer_\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: |
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Modified src/runtime/lookup-asm/lookup-asm-x86_64-elf.S from [00fefd9a7f] to [82960b8628].
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52 53 54 55 56 57 58 | test rax, rax jz short \not_found@PLT ret .Ltagged_pointer_\name: | | < | | 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | test rax, rax jz short \not_found@PLT ret .Ltagged_pointer_\name: and dil, 0xE movzx r8, dil mov rax, [rip+objc_tagged_pointer_classes@GOTPCREL] mov r8, [rax+r8*4] mov r8, [r8+64] jmp short .Lmain_\name .type \name, %function .size \name, .-\name .endm |
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Modified src/runtime/lookup-asm/lookup-asm-x86_64-macho.S from [0ccb921815] to [b9237d1cde].
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50 51 52 53 54 55 56 | test rax, rax jz $1 ret Ltagged_pointer_$0: | | < | | 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | test rax, rax jz $1 ret Ltagged_pointer_$0: and dil, 0xE movzx r8, dil mov rax, [rip+_objc_tagged_pointer_classes] mov r8, [rax+r8*4] mov r8, [r8+64] jmp Lmain_$0 .endmacro .macro generate_lookup_super $0: |
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Modified src/runtime/lookup-asm/lookup-asm-x86_64-win64.S from [069968302a] to [c662475fba].
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58 59 60 61 62 63 64 | 0: mov rcx, r10 mov rdx, r11 jmp \not_found .Ltagged_pointer_\name: | | < | | 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | 0: mov rcx, r10 mov rdx, r11 jmp \not_found .Ltagged_pointer_\name: and cl, 0xE movzx r8, cl mov rax, offset objc_tagged_pointer_classes mov r8, [rax+r8*4] mov r8, [r8+56] jmp short .Lmain_\name .endm .macro generate_lookup_super name lookup \name: |
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