panfrost/midgard/disasm: Support 8-bit destination

Meanwhile, we're forced to disable dest_override, since it's not yet
clear how this interacts with other bitnesses (it'll likely need to be
overhauled in any case).

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
This commit is contained in:
Alyssa Rosenzweig 2019-04-30 19:05:49 +00:00
parent d42c37e494
commit 2800e822a4

View file

@ -298,28 +298,31 @@ print_vector_field(const char *name, uint16_t *words, uint16_t reg_word,
out_half = half;
if (alu_field->dest_override != midgard_dest_override_none) {
if (out_half)
printf("/* half */ ");
/* First, print the destination */
{
int out_reg = reg_info->out_reg;
unsigned bits = 32;
out_half = true;
if (alu_field->dest_override != midgard_dest_override_none) {
printf("/* do%d */ ", alu_field->dest_override);
}
if (alu_field->dest_override == midgard_dest_override_lower)
out_high = false;
else if (alu_field->dest_override == midgard_dest_override_upper)
out_high = true;
else
assert(0);
if (alu_field->reg_mode == midgard_reg_mode_16) {
bits = 16;
out_reg *= 2;
out_reg += out_high;
} else if (alu_field->reg_mode == midgard_reg_mode_8) {
bits = 8;
out_reg *= 4;
out_reg += out_high;
} else if (alu_field->reg_mode == midgard_reg_mode_64) {
bits = 64;
/* TODO */
}
print_reg(out_reg, bits);
}
if (out_half) {
if (out_high)
print_reg(2 * reg_info->out_reg + 1, 16);
else
print_reg(2 * reg_info->out_reg, 16);
} else
print_reg(reg_info->out_reg, 32);
if (mask != 0xF) {
unsigned i;
static const char c[4] = "xyzw";