aco: fix disassembly of writelane instructions.

ACO writes an unused 3rd operand for internal usage
which makes LLVM recoginize it as illegal instruction.

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
This commit is contained in:
Daniel Schürmann 2019-12-04 10:43:14 +01:00
parent 6fc9ddfef8
commit 23319add93

View file

@ -51,13 +51,19 @@ void print_asm(Program *program, std::vector<uint32_t>& binary,
next_block++;
}
/* mask out src2 on v_writelane_b32 */
if (((program->chip_class == GFX8 || program->chip_class == GFX9) && (binary[pos] & 0xffff8000) == 0xd28a0000) ||
(program->chip_class == GFX10 && (binary[pos] & 0xffff8000) == 0xd7610000)) {
binary[pos+1] = binary[pos+1] & 0xF803FFFF;
}
size_t l = LLVMDisasmInstruction(disasm, (uint8_t *) &binary[pos],
(exec_size - pos) * sizeof(uint32_t), pos * 4,
outline, sizeof(outline));
size_t new_pos;
const int align_width = 60;
if (program->chip_class == GFX9 && !l && ((binary[pos] & 0xffff8000) == 0xd1348000)) { /* not actually an invalid instruction */
if (!l && program->chip_class == GFX9 && ((binary[pos] & 0xffff8000) == 0xd1348000)) { /* not actually an invalid instruction */
out << std::left << std::setw(align_width) << std::setfill(' ') << "\tv_add_u32_e64 + clamp";
new_pos = pos + 2;
} else if (!l) {