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intel/brw: allocate large table in the heap instead of the stack

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When having a large number of virtual register this table can be too
large to be allocated on the stack.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30008>
This commit is contained in:
Romaric Jodin 2024-07-03 08:38:42 +02:00 • committed by Marge Bot
parent 753d253df7
commit 65c0ef859f
1 changed files with 2 additions and 1 deletions
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3
src/intel/compiler/brw_fs_opt_virtual_grfs.cpp
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@ -34,7 +34,7 @@ brw_fs_opt_split_virtual_grfs(fs_visitor &s)
/* Count the total number of registers */
unsigned reg_count = 0;
unsigned vgrf_to_reg[num_vars];
unsigned *vgrf_to_reg = new unsigned[num_vars];
for (unsigned i = 0; i < num_vars; i++) {
vgrf_to_reg[i] = reg_count;
reg_count += s.alloc.sizes[i];
@ -203,6 +203,7 @@ cleanup:
delete[] vgrf_has_split;
delete[] new_virtual_grf;
delete[] new_reg_offset;
delete[] vgrf_to_reg;
return progress;
}