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generate_jit: Allow custom annotation for fixed_g instructions

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In prep for 0xFF - push r/m to be optimized
This commit is contained in:
Amaan Cheval 2018-02-23 13:12:19 +05:30 committed by Fabian
parent f56bb00783
commit 515a8f4111
1 changed files with 19 additions and 1 deletions
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20
gen/generate_jit.js
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@ -204,8 +204,26 @@ function gen_instruction_body(encodings, size)
condition: "modrm_byte >> 3 & 7",
cases: cases.map(case_ => {
const fixed_g = case_.fixed_g;
const instruction_name = make_instruction_name(case_, size, undefined);
const instruction_postfix = case_.jump ? ["instr_flags |= JIT_INSTR_JUMP_FLAG;"] : [];
if(case_.custom)
{
console.assert(!case_.nonfaulting, "Unsupported: custom fixed_g instruction as nonfaulting");
const instruction_name = make_instruction_name(case_, size) + "_jit";
const imm_read = gen_read_imm_call(case_, size);
const args = ["modrm_byte"];
if(imm_read)
{
args.push(imm_read);
}
return {
conditions: [fixed_g],
body: [gen_call(instruction_name, args)].concat(instruction_postfix),
};
}
const instruction_name = make_instruction_name(case_, size, undefined);
let modrm_resolve_prefix = undefined;