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pan/bi: Add helper to debug port assignment

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Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4458>
This commit is contained in:
Alyssa Rosenzweig 2020-04-05 18:06:08 -04:00 • committed by Marge Bot
parent 0ab3f687c0
commit 9114ebbe79
1 changed files with 25 additions and 0 deletions
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25
src/panfrost/bifrost/bi_pack.c
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@ -77,6 +77,27 @@ struct bi_registers {
bool first_instruction;
};
static inline void
bi_print_ports(struct bi_registers *regs)
{
for (unsigned i = 0; i < 2; ++i) {
if (regs->enabled[i])
printf("port %u: %u\n", i, regs->port[i]);
}
if (regs->write_fma || regs->write_add) {
printf("port 2 (%s): %u\n",
regs->write_fma ? "FMA" : "ADD",
regs->port[2]);
}
if ((regs->write_fma && regs->write_add) || regs->read_port3) {
printf("port 3 (%s): %u\n",
regs->read_port3 ? "read" : "ADD",
regs->port[3]);
}
}
/* The uniform/constant slot allows loading a contiguous 64-bit immediate or
* pushed uniform per bundle. Figure out which one we need in the bundle (the
* scheduler needs to ensure we only have one type per bundle), validate
@ -216,7 +237,11 @@ bi_assign_port_read(struct bi_registers *regs, unsigned src)
if (!regs->read_port3) {
regs->port[3] = reg;
regs->read_port3 = true;
return;
}
bi_print_ports(regs);
unreachable("Failed to find a free port for src");
}
static struct bi_registers