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generate_jit: Comment regarding LEA special case

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Amaan Cheval 2018-04-18 15:22:40 +05:30 committed by Fabian
parent f2274e0a60
commit fdd4dbe5ee
1 changed files with 2 additions and 0 deletions
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gen/generate_jit.js
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@ -144,6 +144,8 @@ function make_instruction_name(encoding, size, prefix_variant)
function get_nonfaulting_mem_reg_postfix(encoding)
{
const lea_special_case = encoding.opcode === 0x8D;
// In general only reg_postfixes will append the nonfaulting flag, except in the special case
// for LEA - it doesn't actually access memory, so the memory variant can be nonfaulting
const mem_postfix = (encoding.nonfaulting && lea_special_case) ? [APPEND_NONFAULTING_FLAG] : [];
const reg_postfix = (encoding.nonfaulting && !lea_special_case) ? [APPEND_NONFAULTING_FLAG] : [];