Branch Consistent conditionally to a label at a PC-relative offset, with a hint that this branch will behave very consistently and is very unlikely to change direction.
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | imm19 | 1 | cond | |||||||||||||||||||||
o0 |
if !IsFeatureImplemented(FEAT_HBC) then UNDEFINED; bits(64) offset = SignExtend(imm19:'00', 64); bits(4) condition = cond;
<label> |
Is the program label to be conditionally branched to. Its offset from the address of this instruction, in the range +/-1MB, is encoded as "imm19" times 4. |
boolean branch_conditional = TRUE; if ConditionHolds(condition) then BranchTo(PC64 + offset, BranchType_DIR, branch_conditional); else BranchNotTaken(BranchType_DIR, branch_conditional);
Internal version only: aarchmrs v2024-03_relA, pseudocode v2024-03_rel, sve v2024-03_rel ; Build timestamp: 2024-03-26T09:45
Copyright © 2010-2024 Arm Limited or its affiliates. All rights reserved. This document is Non-Confidential.