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r600g: Check comp_mask before merging export instructions

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Fixes a llvm uncovered (rare) bug where consecutive exports were
merged even if they have incompatible mask.
(cherry picked from commit 83e7d111af)
This commit is contained in:
Vincent Lejeune 2013-03-03 21:35:38 +01:00 • committed by Alex Deucher
parent 9a5f513773
commit 1dc162d52f
1 changed files with 1 additions and 0 deletions
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src/gallium/drivers/r600/r600_asm.c
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@ -322,6 +322,7 @@ int r600_bytecode_add_output(struct r600_bytecode *bc, const struct r600_bytecod
output->swizzle_y == bc->cf_last->output.swizzle_y &&
output->swizzle_z == bc->cf_last->output.swizzle_z &&
output->swizzle_w == bc->cf_last->output.swizzle_w &&
output->comp_mask == bc->cf_last->output.comp_mask &&
(output->burst_count + bc->cf_last->output.burst_count) <= 16) {
if ((output->gpr + output->burst_count) == bc->cf_last->output.gpr &&