Mesa (master): intel/cs_intrinsics: Handle 64-bit intrinsics
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Wed Aug 12 10:29:16 UTC 2020
Module: Mesa
Branch: master
Commit: 8e1de8e5ac90a9dd0a2fb9310cb36371a9d12dce
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=8e1de8e5ac90a9dd0a2fb9310cb36371a9d12dce
Author: Jason Ekstrand <jason.ekstrand at intel.com>
Date: Wed Nov 14 21:57:59 2018 -0600
intel/cs_intrinsics: Handle 64-bit intrinsics
It's safe to do the math in 32 bits because they're all local workgroup
calculations. We just need to do a conversion at the end. For a couple
of intrinsics, we just turn them into 32-bit intrinsics and add a u2u64.
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6280>
---
src/intel/compiler/brw_nir_lower_cs_intrinsics.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/src/intel/compiler/brw_nir_lower_cs_intrinsics.c b/src/intel/compiler/brw_nir_lower_cs_intrinsics.c
index 7c08b36aab6..102bd29595a 100644
--- a/src/intel/compiler/brw_nir_lower_cs_intrinsics.c
+++ b/src/intel/compiler/brw_nir_lower_cs_intrinsics.c
@@ -53,6 +53,18 @@ lower_cs_intrinsics_convert_block(struct lower_intrinsics_state *state,
nir_ssa_def *sysval;
switch (intrinsic->intrinsic) {
+ case nir_intrinsic_load_local_group_size:
+ case nir_intrinsic_load_work_group_id:
+ /* Convert this to 32-bit if it's not */
+ if (intrinsic->dest.ssa.bit_size == 64) {
+ intrinsic->dest.ssa.bit_size = 32;
+ sysval = nir_u2u64(b, &intrinsic->dest.ssa);
+ nir_ssa_def_rewrite_uses_after(&intrinsic->dest.ssa,
+ nir_src_for_ssa(sysval),
+ sysval->parent_instr);
+ }
+ continue;
+
case nir_intrinsic_load_local_invocation_index:
case nir_intrinsic_load_local_invocation_id: {
/* First time we are using those, so let's calculate them. */
@@ -171,6 +183,9 @@ lower_cs_intrinsics_convert_block(struct lower_intrinsics_state *state,
continue;
}
+ if (intrinsic->dest.ssa.bit_size == 64)
+ sysval = nir_u2u64(b, sysval);
+
nir_ssa_def_rewrite_uses(&intrinsic->dest.ssa, nir_src_for_ssa(sysval));
nir_instr_remove(&intrinsic->instr);
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