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jit fcomip df_6

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Fabian 2020-12-31 19:14:33 -06:00
parent 085f4c8bb1
commit b859ce5085
2 changed files with 11 additions and 1 deletions
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2
gen/x86_table.js
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@ -339,7 +339,7 @@ const encodings = [
{ opcode: 0xDF, e: 1, fixed_g: 3, custom: 1, is_fpu: 1, task_switch_test: 1 },
{ opcode: 0xDF, e: 1, fixed_g: 4, custom: 1, is_fpu: 1, task_switch_test: 1, skip_mem: 1 }, // unimplemented: Binary Coded Decimals
{ opcode: 0xDF, e: 1, fixed_g: 5, custom: 1, is_fpu: 1, task_switch_test: 1, },
{ opcode: 0xDF, e: 1, fixed_g: 6, custom: 0, is_fpu: 1, task_switch_test: 1, skip_mem: 1 }, // unimplemented: Binary Coded Decimals
{ opcode: 0xDF, e: 1, fixed_g: 6, custom: 1, is_fpu: 1, task_switch_test: 1, skip_mem: 1 }, // unimplemented: Binary Coded Decimals
{ opcode: 0xDF, e: 1, fixed_g: 7, custom: 1, is_fpu: 1, task_switch_test: 1, },
// loop, jcxz, etc.

10
src/rust/jit_instructions.rs
View file

@ -3473,6 +3473,16 @@ pub fn instr_DF_5_reg_jit(ctx: &mut JitContext, r: u32) {
codegen::gen_fn1_const(ctx.builder, "fpu_fucomip", r);
}
pub fn instr_DF_6_mem_jit(ctx: &mut JitContext, modrm_byte: ModrmByte) {
dbg_log!("fbstp");
codegen::gen_modrm_resolve(ctx, modrm_byte);
codegen::gen_trigger_ud(ctx);
}
pub fn instr_DF_6_reg_jit(ctx: &mut JitContext, r: u32) {
ctx.builder.const_i32(r as i32);
ctx.builder.call_fn1("fpu_fcomip");
}
pub fn instr_DF_7_reg_jit(ctx: &mut JitContext, _r: u32) { codegen::gen_trigger_ud(ctx); }
pub fn instr_DF_7_mem_jit(ctx: &mut JitContext, modrm_byte: ModrmByte) {
codegen::gen_modrm_resolve(ctx, modrm_byte);