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i965/fs: Properly calculate the number of instructions in calculate_register_pressure

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Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Jason Ekstrand 2014-09-26 16:08:52 -07:00
parent 514fd1c55e
commit 4ddc25a8d4
1 changed files with 3 additions and 1 deletions
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4
src/mesa/drivers/dri/i965/brw_fs.cpp
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@ -3400,7 +3400,9 @@ fs_visitor::calculate_register_pressure()
invalidate_live_intervals();
calculate_live_intervals();
unsigned num_instructions = instructions.length();
unsigned num_instructions = 0;
foreach_block(block, cfg)
num_instructions += block->instructions.length();
regs_live_at_ip = rzalloc_array(mem_ctx, int, num_instructions);