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pan/mdg: Analyze types for 64-bitness in RA 

Instead of reg_mode.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5443>
This commit is contained in:
Alyssa Rosenzweig 2020-06-12 12:21:11 -04:00
parent 5e5ea25a0d
commit 5cf5d3cc2d
1 changed files with 15 additions and 1 deletions
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16
src/panfrost/midgard/midgard_ra.c
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@ -435,6 +435,20 @@ mir_compute_interference(
}
}
static bool
mir_is_64(midgard_instruction *ins)
{
if (nir_alu_type_get_type_size(ins->dest_type) == 64)
return true;
mir_foreach_src(ins, v) {
if (nir_alu_type_get_type_size(ins->src_types[v]) == 64)
return true;
}
return false;
}
/* This routine performs the actual register allocation. It should be succeeded
* by install_registers */
@ -488,7 +502,7 @@ allocate_registers(compiler_context *ctx, bool *spilled)
* but once we get RA we shouldn't disrupt this further. Align
* sources of 64-bit instructions. */
if (ins->type == TAG_ALU_4 && ins->alu.reg_mode == midgard_reg_mode_64) {
if (ins->type == TAG_ALU_4 && mir_is_64(ins)) {
mir_foreach_src(ins, v) {
unsigned s = ins->src[v];