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yet more progress

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ed
2026-09-09 14:38:56 -04:00
parent 95e67a8c1a
commit b973b0cd41
8 changed files with 314 additions and 423 deletions
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code/8086/decoder_table_generator.meta.c
+9 -8
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@@ -97,13 +97,11 @@ x8616_decode_gen_plan(X8616_Encoding_R encoding, U4 encoding_idx, X8616_InfoList
if (encoding->fields.z.width) { plan.flags |= x8616_plan_has_z; plan.z_shift = encoding->fields.z.shift; }
if (encoding->fields.reg.width) { plan.flags |= x8616_plan_has_reg; plan.reg_shift = encoding->fields.reg.shift; }
if (encoding->fields.sr.width) { plan.flags |= x8616_plan_has_sr; plan.sr_shift = encoding->fields.sr.shift; }
if (encoding->fields.alu.width) {
plan.flags |= x8616_plan_has_alu;
plan.alu_shift = encoding->fields.alu.shift;
if ((plan.flags & x8616_plan_has_modrm) && encoding->fields.d.width == 0)
plan.flags |= x8616_plan_alu_modrm;
}
if (encoding->fields.cc.width) { plan.flags |= x8616_plan_has_cc; plan.cc_shift = encoding->fields.cc.shift; }
if (encoding->fields.alu.width) { plan.flags |= x8616_plan_has_alu; plan.alu_shift = encoding->fields.alu.shift; }
if (encoding->fields.cc.width) { plan.flags |= x8616_plan_has_cc; plan.cc_shift = encoding->fields.cc.shift; }
if (encoding->fields.pair.width){ plan.flags |= x8616_plan_has_pair; plan.pair_shift = encoding->fields.pair.shift; }
plan.digit_kind = encoding->digit_kind;
plan.pair_kind = encoding->pair_kind;
if (x8616_decode_gen_operand_uses_rm(encoding->operands[0]) || x8616_decode_gen_operand_uses_rm(encoding->operands[1]))
plan.flags |= x8616_plan_uses_rm;
@@ -336,7 +334,7 @@ x8616_decode_gen_emit_plan(Str8Gen_R out, X8616_DecodePlan_R plan) { defer_rewin
<d_shift>, <w_shift>, <s_shift>, <v_shift>, <z_shift>, <reg_shift>, <sr_shift>,
{<mod_rm.bits>, <mod_rm.mask>},
{<post_opcode.bits>, <post_opcode.mask>},
<alu_shift>, <cc_shift>,
<alu_shift>, <cc_shift>, <pair_shift>, <digit_kind>, <pair_kind>,
},\n
);
KTL_Slot_Str8 tbl[] = {
@@ -362,6 +360,9 @@ x8616_decode_gen_emit_plan(Str8Gen_R out, X8616_DecodePlan_R plan) { defer_rewin
entry("post_opcode.mask", hex_u1(plan->post_opcode.mask)),
entry("alu_shift", dec(plan->alu_shift)),
entry("cc_shift", dec(plan->cc_shift)),
entry("pair_shift", dec(plan->pair_shift)),
entry("digit_kind", dec(plan->digit_kind)),
entry("pair_kind", dec(plan->pair_kind)),
};
str8gen_append_fmt(out, template, ktl_str8_from_arr(tbl));
}}