Overview
| Comment: | lookup-asm-mips64-n64-elf.S: 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: |
681c2e3087f73bdaafdcc60c8d88a4f1 |
| User & Date: | js on 2020-07-06 20:07:13 |
| Other Links: | branch diff | manifest | tags |
Context
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2020-07-06
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| 23:36 | lookup-asm-mips-elf.S: Support tagged pointers check-in: 8870c49908 user: js tags: tagged-pointers | |
| 20:07 | lookup-asm-mips64-n64-elf.S: Tagged pointers check-in: 681c2e3087 user: js tags: tagged-pointers | |
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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 | |
Changes
Modified src/runtime/lookup-asm/lookup-asm-mips64-n64-elf.S from [93cafb41c5] to [eccb0ae4e7].
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25 26 27 28 29 30 31 | .globl objc_msg_lookup_super_stret .section .text .macro generate_lookup name not_found \name: beqz $a0, 0f | > > > | | | | | > > > > > > > > > > > > > > | | 25 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 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | .globl objc_msg_lookup_super_stret .section .text .macro generate_lookup name not_found \name: beqz $a0, 0f andi $t0, $a0, 1 bnez $t0, .Ltagged_pointer_\name ld $t0, ($a0) ld $t0, 64($t0) .Lmain_\name: #ifdef OF_BIG_ENDIAN # ifdef OF_SELUID24 lbu $t1, 5($a1) # endif lbu $t2, 6($a1) lbu $t3, 7($a1) #else # ifdef OF_SELUID24 lbu $t1, 2($a1) # endif lbu $t2, 1($a1) lbu $t3, ($a1) #endif #ifdef OF_SELUID24 sll $t1, $t1, 3 #endif sll $t2, $t2, 3 sll $t3, $t3, 3 #ifdef OF_SELUID24 daddu $t0, $t0, $t1 ld $t0, ($t0) #endif daddu $t0, $t0, $t2 ld $t0, ($t0) daddu $t0, $t0, $t3 ld $t0, ($t0) beqz $t0, 1f move $v0, $t0 jr $ra 0: lui $v0, %hi(%neg(%gp_rel(\name))) daddu $v0, $v0, $t9 daddiu $v0, $v0, %lo(%neg(%gp_rel(\name))) ld $v0, %got_disp(nil_method)($v0) jr $ra 1: lui $t0, %hi(%neg(%gp_rel(\name))) daddu $t0, $t0, $t9 daddiu $t0, $t0, %lo(%neg(%gp_rel(\name))) ld $t9, %got_disp(\not_found)($t0) jr $t9 .Ltagged_pointer_\name: and $t0, $a0, 0xE dsll $t0, $t0, 2 lui $t1, %hi(%neg(%gp_rel(\name))) daddu $t1, $t1, $t9 daddiu $t1, $t1, %lo(%neg(%gp_rel(\name))) ld $t1, %got_disp(objc_tagged_pointer_classes)($t1) daddu $t0, $t1, $t0 ld $t0, ($t0) ld $t0, 64($t0) b .Lmain_\name .type \name, %function .size \name, .-\name .endm .macro generate_lookup_super name lookup \name: move $t0, $a0 ld $a0, ($a0) beqz $a0, 0f ld $t0, 8($t0) ld $t0, 64($t0) daddiu $t9, $t9, \lookup-\name b .Lmain_\lookup |
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