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jay: rematerialize address regs

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Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40960>
This commit is contained in:
Alyssa Rosenzweig 2026-04-10 11:58:45 -04:00 • committed by Marge Bot
parent 9a9365ff9b
commit 4ab67f80e9
1 changed files with 4 additions and 5 deletions
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9
src/intel/compiler/jay/jay_from_nir.c
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@ -842,11 +842,8 @@ jay_scratch_surface(struct nir_to_jay_state *nj)
assert(func->is_entrypoint && "todo: this needs ABI");
jay_builder b = jay_init_builder(func, jay_before_function(func));
nj->payload.scratch_surface = jay_alloc_def(&b, J_ADDRESS, 1);
jay_def u0_5 = jay_extract(nj->payload.u0, 5);
jay_def state = jay_AND_u32(&b, u0_5, ~BITFIELD_MASK(10));
jay_SHR(&b, JAY_TYPE_U32, nj->payload.scratch_surface, state, 4);
nj->payload.scratch_surface = jay_AND_u32(&b, u0_5, ~BITFIELD_MASK(10));
}
return nj->payload.scratch_surface;
@ -1037,7 +1034,9 @@ jay_emit_mem_access(struct nir_to_jay_state *nj, nir_intrinsic_instr *intr)
jay_def ex_desc = jay_null();
uint32_t ex_desc_imm = 0;
if (scratch) {
ex_desc = jay_scratch_surface(nj);
/* TODO: Once we have an address register RA, we should CSE these */
ex_desc = jay_alloc_def(b, J_ADDRESS, 1);
jay_SHR(b, JAY_TYPE_U32, ex_desc, jay_scratch_surface(nj), 4);
if (has_dest) {
b->shader->fills++;