charCodeAt lowering
| --- Raw source --- | |
| (str, i) { | |
| return str.charCodeAt(i); | |
| } | |
| --- Optimized code --- | |
| optimization_id = 0 | |
| source_position = 14 | |
| kind = OPTIMIZED_FUNCTION | |
| name = foo | |
| stack_slots = 5 | |
| compiler = turbofan | |
| address = 0x1654793c3781 | |
| Body (size = 546) | |
| Instructions (size = 508) | |
| 0x1654793c37e0 0 488b59d0 REX.W movq rbx,[rcx-0x30] | |
| 0x1654793c37e4 4 f6430f01 testb [rbx+0xf],0x1 | |
| 0x1654793c37e8 8 0f85321af5ff jnz 0x165479315220 (CompileLazyDeoptimizedCode) ;; code: BUILTIN | |
| -- B0 start (construct frame) -- | |
| 0x1654793c37ee e 55 push rbp | |
| 0x1654793c37ef f 4889e5 REX.W movq rbp,rsp | |
| 0x1654793c37f2 12 56 push rsi | |
| 0x1654793c37f3 13 57 push rdi | |
| 0x1654793c37f4 14 4883ec08 REX.W subq rsp,0x8 | |
| 0x1654793c37f8 18 493ba5f00e0000 REX.W cmpq rsp,[r13+0xef0] | |
| 0x1654793c37ff 1f 0f8636010000 jna 0x1654793c393b <+0x15b> | |
| -- B2 start -- | |
| -- B3 start -- | |
| 0x1654793c3805 25 488b4518 REX.W movq rax,[rbp+0x18] | |
| 0x1654793c3809 29 a801 test al,0x1 | |
| 0x1654793c380b 2b 0f84a6010000 jz 0x1654793c39b7 <+0x1d7> | |
| 0x1654793c3811 31 488b58ff REX.W movq rbx,[rax-0x1] | |
| 0x1654793c3815 35 0fb75b0b movzxwl rbx,[rbx+0xb] | |
| 0x1654793c3819 39 66f7c387ff testw rbx,0xffffffffffffff87 | |
| 0x1654793c381e 3e 0f8598010000 jnz 0x1654793c39bc <+0x1dc> | |
| 0x1654793c3824 44 488b58ff REX.W movq rbx,[rax-0x1] | |
| 0x1654793c3828 48 0fb75b0b movzxwl rbx,[rbx+0xb] | |
| 0x1654793c382c 4c 81fb80000000 cmpl rbx,0x80 | |
| 0x1654793c3832 52 0f8389010000 jnc 0x1654793c39c1 <+0x1e1> | |
| 0x1654793c3838 58 488b580f REX.W movq rbx,[rax+0xf] | |
| 0x1654793c383c 5c 488b5510 REX.W movq rdx,[rbp+0x10] | |
| 0x1654793c3840 60 f6c201 testb rdx,0x1 | |
| 0x1654793c3843 63 0f850c010000 jnz 0x1654793c3955 <+0x175> | |
| -- B5 start -- | |
| 0x1654793c3849 69 488bca REX.W movq rcx,rdx | |
| 0x1654793c384c 6c 48c1e920 REX.W shrq rcx, 32 | |
| -- B6 start -- | |
| 0x1654793c3850 70 48c1eb20 REX.W shrq rbx, 32 | |
| 0x1654793c3854 74 488bf1 REX.W movq rsi,rcx | |
| 0x1654793c3857 77 f7d6 notl rsi | |
| 0x1654793c3859 79 488bf9 REX.W movq rdi,rcx | |
| 0x1654793c385c 7c 2bfb subl rdi,rbx | |
| 0x1654793c385e 7e 23f7 andl rsi,rdi | |
| 0x1654793c3860 80 c1fe1f sarl rsi, 31 | |
| 0x1654793c3863 83 23f1 andl rsi,rcx | |
| 0x1654793c3865 85 3bcb cmpl rcx,rbx | |
| 0x1654793c3867 87 0f8359010000 jnc 0x1654793c39c6 <+0x1e6> | |
| 0x1654793c386d 8d 0f1f00 nop | |
| -- B7 start (loop up to 14) -- | |
| 0x1654793c3870 90 488b58ff REX.W movq rbx,[rax-0x1] | |
| 0x1654793c3874 94 0fb75b0b movzxwl rbx,[rbx+0xb] | |
| 0x1654793c3878 98 488bd3 REX.W movq rdx,rbx | |
| 0x1654793c387b 9b 83e207 andl rdx,0x7 | |
| 0x1654793c387e 9e 83fa02 cmpl rdx,0x2 | |
| 0x1654793c3881 a1 0f847a000000 jz 0x1654793c3901 <+0x121> | |
| 0x1654793c3887 a7 83fa05 cmpl rdx,0x5 | |
| 0x1654793c388a aa 0f8442000000 jz 0x1654793c38d2 <+0xf2> | |
| 0x1654793c3890 b0 83fa01 cmpl rdx,0x1 | |
| 0x1654793c3893 b3 0f8425000000 jz 0x1654793c38be <+0xde> | |
| 0x1654793c3899 b9 83fa00 cmpl rdx,0x0 | |
| 0x1654793c389c bc 0f8436000000 jz 0x1654793c38d8 <+0xf8> | |
| -- B8 start (in loop 7) -- | |
| 0x1654793c38a2 c2 83fa03 cmpl rdx,0x3 | |
| 0x1654793c38a5 c5 0f85e6000000 jnz 0x1654793c3991 <+0x1b1> | |
| -- B9 start (in loop 7) -- | |
| 0x1654793c38ab cb 488b581f REX.W movq rbx,[rax+0x1f] | |
| 0x1654793c38af cf 48c1eb20 REX.W shrq rbx, 32 | |
| 0x1654793c38b3 d3 03de addl rbx,rsi | |
| 0x1654793c38b5 d5 488b4017 REX.W movq rax,[rax+0x17] | |
| 0x1654793c38b9 d9 488bf3 REX.W movq rsi,rbx | |
| 0x1654793c38bc dc ebb2 jmp 0x1654793c3870 <+0x90> | |
| -- B10 start (in loop 7) -- | |
| 0x1654793c38be de 488b581f REX.W movq rbx,[rax+0x1f] | |
| 0x1654793c38c2 e2 49395dc8 REX.W cmpq [r13-0x38],rbx | |
| 0x1654793c38c6 e6 0f85c5000000 jnz 0x1654793c3991 <+0x1b1> | |
| -- B11 start (in loop 7) -- | |
| 0x1654793c38cc ec 488b4017 REX.W movq rax,[rax+0x17] | |
| 0x1654793c38d0 f0 eb9e jmp 0x1654793c3870 <+0x90> | |
| -- B12 start (in loop 7) -- | |
| 0x1654793c38d2 f2 488b4017 REX.W movq rax,[rax+0x17] | |
| 0x1654793c38d6 f6 eb98 jmp 0x1654793c3870 <+0x90> | |
| -- B13 start (in loop 7) -- | |
| -- B15 start -- | |
| 0x1654793c38d8 f8 8bd6 movl rdx,rsi | |
| 0x1654793c38da fa f6c308 testb rbx,0x8 | |
| 0x1654793c38dd fd 0f8511000000 jnz 0x1654793c38f4 <+0x114> | |
| -- B16 start -- | |
| 0x1654793c38e3 103 488d1c5517000000 REX.W leaq rbx,[rdx*2+0x17] | |
| 0x1654793c38eb 10b 0fb70403 movzxwl rax,[rbx+rax*1] | |
| 0x1654793c38ef 10f e93c000000 jmp 0x1654793c3930 <+0x150> | |
| -- B17 start -- | |
| 0x1654793c38f4 114 488d5a17 REX.W leaq rbx,[rdx+0x17] | |
| 0x1654793c38f8 118 0fb60403 movzxbl rax,[rbx+rax*1] | |
| 0x1654793c38fc 11c e92f000000 jmp 0x1654793c3930 <+0x150> | |
| -- B18 start -- | |
| -- B20 start -- | |
| 0x1654793c3901 121 488bd3 REX.W movq rdx,rbx | |
| 0x1654793c3904 124 83e220 andl rdx,0x20 | |
| 0x1654793c3907 127 83fa20 cmpl rdx,0x20 | |
| 0x1654793c390a 12a 0f8481000000 jz 0x1654793c3991 <+0x1b1> | |
| -- B21 start -- | |
| 0x1654793c3910 130 4863d6 REX.W movsxlq rdx,rsi | |
| 0x1654793c3913 133 488b401f REX.W movq rax,[rax+0x1f] | |
| 0x1654793c3917 137 f6c308 testb rbx,0x8 | |
| 0x1654793c391a 13a 0f8409000000 jz 0x1654793c3929 <+0x149> | |
| -- B22 start -- | |
| 0x1654793c3920 140 0fb60410 movzxbl rax,[rax+rdx*1] | |
| 0x1654793c3924 144 e907000000 jmp 0x1654793c3930 <+0x150> | |
| -- B23 start -- | |
| 0x1654793c3929 149 8d1c12 leal rbx,[rdx+rdx*1] | |
| 0x1654793c392c 14c 0fb70418 movzxwl rax,[rax+rbx*1] | |
| -- B26 start (deconstruct frame) -- | |
| 0x1654793c3930 150 48c1e020 REX.W shlq rax, 32 | |
| 0x1654793c3934 154 488be5 REX.W movq rsp,rbp | |
| 0x1654793c3937 157 5d pop rbp | |
| 0x1654793c3938 158 c21800 ret 0x18 | |
| -- B27 start (no frame) -- | |
| -- B1 start (deferred) -- | |
| -- <not inlined:14> -- | |
| 0x1654793c393b 15b 48bba036040e01000000 REX.W movq rbx,0x10e0436a0 | |
| 0x1654793c3945 165 33c0 xorl rax,rax | |
| 0x1654793c3947 167 488b75f8 REX.W movq rsi,[rbp-0x8] | |
| 0x1654793c394b 16b e87009f4ff call 0x1654793042c0 ;; code: STUB, CEntryStub, minor: 8 | |
| 0x1654793c3950 170 e9b0feffff jmp 0x1654793c3805 <+0x25> | |
| -- B4 start (deferred) -- | |
| 0x1654793c3955 175 488b42ff REX.W movq rax,[rdx-0x1] | |
| 0x1654793c3959 179 49394550 REX.W cmpq [r13+0x50],rax | |
| 0x1654793c395d 17d 0f856d000000 jnz 0x1654793c39d0 <+0x1f0> | |
| 0x1654793c3963 183 c5fb104207 vmovsd xmm0,[rdx+0x7] | |
| 0x1654793c3968 188 c5fb2cc8 vcvttsd2si rcx,xmm0 | |
| 0x1654793c396c 18c c5f157c9 vxorpd xmm1,xmm1,xmm1 | |
| 0x1654793c3970 190 c5f32ac9 vcvtlsi2sd xmm1,xmm1,rcx | |
| 0x1654793c3974 194 c5f92ec8 vucomisd xmm1,xmm0 | |
| 0x1654793c3978 198 0f8a57000000 jpe 0x1654793c39d5 <+0x1f5> | |
| 0x1654793c397e 19e 0f8551000000 jnz 0x1654793c39d5 <+0x1f5> | |
| 0x1654793c3984 1a4 48895de8 REX.W movq [rbp-0x18],rbx | |
| 0x1654793c3988 1a8 488b4518 REX.W movq rax,[rbp+0x18] | |
| 0x1654793c398c 1ac e9bffeffff jmp 0x1654793c3850 <+0x70> | |
| -- B14 start (deferred) -- | |
| -- B19 start (deferred) -- | |
| -- B24 start (deferred) -- | |
| -- B25 start (deferred) -- | |
| 0x1654793c3991 1b1 48c1e620 REX.W shlq rsi, 32 | |
| 0x1654793c3995 1b5 50 push rax | |
| 0x1654793c3996 1b6 56 push rsi | |
| 0x1654793c3997 1b7 48bbc0ca090e01000000 REX.W movq rbx,0x10e09cac0 | |
| 0x1654793c39a1 1c1 b802000000 movl rax,0x2 | |
| 0x1654793c39a6 1c6 33f6 xorl rsi,rsi | |
| 0x1654793c39a8 1c8 e81309f4ff call 0x1654793042c0 ;; code: STUB, CEntryStub, minor: 8 | |
| 0x1654793c39ad 1cd 48c1e820 REX.W shrq rax, 32 | |
| 0x1654793c39b1 1d1 e97affffff jmp 0x1654793c3930 <+0x150> | |
| 0x1654793c39b6 1d6 90 nop | |
| 0x1654793c39b7 1d7 e8a4060400 call 0x165479404060 ;; deoptimization bailout 0 | |
| 0x1654793c39bc 1dc e8a4060400 call 0x165479404065 ;; deoptimization bailout 1 | |
| 0x1654793c39c1 1e1 e8a4060400 call 0x16547940406a ;; deoptimization bailout 2 | |
| 0x1654793c39c6 1e6 e8a4060400 call 0x16547940406f ;; deoptimization bailout 3 | |
| 0x1654793c39cb 1eb e8a4060c00 call 0x165479484074 ;; lazy deoptimization bailout 4 | |
| 0x1654793c39d0 1f0 e8a4060400 call 0x165479404079 ;; deoptimization bailout 5 | |
| 0x1654793c39d5 1f5 e8a4060400 call 0x16547940407e ;; deoptimization bailout 6 | |
| 0x1654793c39da 1fa 6690 nop | |
| ;;; Safepoint table. | |
| Source positions: | |
| pc offset position | |
| 15b 14 | |
| Inlined functions (count = 0) | |
| Deoptimization Input Data (deopt points = 7) | |
| index bytecode-offset pc | |
| 0 0 NA | |
| 1 0 NA | |
| 2 0 NA | |
| 3 0 NA | |
| 4 0 170 | |
| 5 0 NA | |
| 6 0 NA | |
| Safepoints (size = 38) | |
| 0x1654793c3950 170 1eb 00000 (sp -> fp) 4 | |
| 0x1654793c39ad 1cd NA 00000 (sp -> fp) <none> | |
| RelocInfo (size = 319) | |
| 0x1654793c37ea code target (BUILTIN) (0x165479315220) | |
| 0x1654793c37ee comment (-- B0 start (construct frame) --) | |
| 0x1654793c3805 comment (-- B2 start --) | |
| 0x1654793c3805 comment (-- B3 start --) | |
| 0x1654793c3849 comment (-- B5 start --) | |
| 0x1654793c3850 comment (-- B6 start --) | |
| 0x1654793c3870 comment (-- B7 start (loop up to 14) --) | |
| 0x1654793c38a2 comment (-- B8 start (in loop 7) --) | |
| 0x1654793c38ab comment (-- B9 start (in loop 7) --) | |
| 0x1654793c38be comment (-- B10 start (in loop 7) --) | |
| 0x1654793c38cc comment (-- B11 start (in loop 7) --) | |
| 0x1654793c38d2 comment (-- B12 start (in loop 7) --) | |
| 0x1654793c38d8 comment (-- B13 start (in loop 7) --) | |
| 0x1654793c38d8 comment (-- B15 start --) | |
| 0x1654793c38e3 comment (-- B16 start --) | |
| 0x1654793c38f4 comment (-- B17 start --) | |
| 0x1654793c3901 comment (-- B18 start --) | |
| 0x1654793c3901 comment (-- B20 start --) | |
| 0x1654793c3910 comment (-- B21 start --) | |
| 0x1654793c3920 comment (-- B22 start --) | |
| 0x1654793c3929 comment (-- B23 start --) | |
| 0x1654793c3930 comment (-- B26 start (deconstruct frame) --) | |
| 0x1654793c393b comment (-- B27 start (no frame) --) | |
| 0x1654793c393b comment (-- B1 start (deferred) --) | |
| 0x1654793c393b comment (-- <not inlined:14> --) | |
| 0x1654793c394c code target (STUB) (0x1654793042c0) | |
| 0x1654793c3955 comment (-- B4 start (deferred) --) | |
| 0x1654793c3991 comment (-- B14 start (deferred) --) | |
| 0x1654793c3991 comment (-- B19 start (deferred) --) | |
| 0x1654793c3991 comment (-- B24 start (deferred) --) | |
| 0x1654793c3991 comment (-- B25 start (deferred) --) | |
| 0x1654793c39a9 code target (STUB) (0x1654793042c0) | |
| 0x1654793c39b8 runtime entry (deoptimization bailout 0) | |
| 0x1654793c39bd runtime entry (deoptimization bailout 1) | |
| 0x1654793c39c2 runtime entry (deoptimization bailout 2) | |
| 0x1654793c39c7 runtime entry (deoptimization bailout 3) | |
| 0x1654793c39cc runtime entry | |
| 0x1654793c39d1 runtime entry (deoptimization bailout 5) | |
| 0x1654793c39d6 runtime entry (deoptimization bailout 6) | |
| 0x1654793c39dc comment (;;; Safepoint table.) | |
| --- End code --- |
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