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i965/vs: Move base_reg_count computation to brw_alloc_reg_set().

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We're soon going to be calling brw_alloc_reg_set() from outside of the
visitor, where we don't have the precomputed "max_grf" variable handy.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
This commit is contained in:
Kenneth Graunke 2013-08-21 22:06:15 -07:00
parent 7aaaa8bc8f
commit a149f744d9
1 changed files with 4 additions and 3 deletions
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7
src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp
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@ -97,8 +97,10 @@ vec4_visitor::reg_allocate_trivial()
}
static void
brw_alloc_reg_set(struct brw_context *brw, int base_reg_count)
brw_alloc_reg_set(struct brw_context *brw)
{
int base_reg_count = brw->gen >= 7 ? GEN7_MRF_HACK_START : BRW_MAX_GRF;
/* After running split_virtual_grfs(), almost all VGRFs will be of size 1.
* SEND-from-GRF sources cannot be split, so we also need classes for each
* potential message length.
@ -177,7 +179,6 @@ vec4_visitor::reg_allocate()
{
unsigned int hw_reg_mapping[virtual_grf_count];
int payload_reg_count = this->first_non_payload_grf;
int base_reg_count = max_grf;
/* Using the trivial allocator can be useful in debugging undefined
* register access as a result of broken optimization passes.
@ -187,7 +188,7 @@ vec4_visitor::reg_allocate()
calculate_live_intervals();
brw_alloc_reg_set(brw, base_reg_count);
brw_alloc_reg_set(brw);
int node_count = virtual_grf_count;
int first_payload_node = node_count;