diff options
author | Eric Anholt <eric@anholt.net> | 2010-10-13 22:39:06 -0700 |
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committer | Eric Anholt <eric@anholt.net> | 2010-10-14 10:42:55 -0700 |
commit | b8613d70da34217b98edb9ac9e0a4c9a6598d0b3 (patch) | |
tree | 32d6de368ba6c4e71bc3ec6aa9c8b01cfc55b481 /src | |
parent | 0c6752026c405dc3ab5fe85c6a40ac3f04c685c3 (diff) |
i965: Update the live interval when coalescing regs.
Diffstat (limited to 'src')
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index c0fee114a8..e2c7dbde6a 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -2563,6 +2563,10 @@ fs_visitor::register_coalesce() continue; } + /* Update live interval so we don't have to recalculate. */ + this->virtual_grf_use[inst->src[0].reg] = MAX2(virtual_grf_use[inst->src[0].reg], + virtual_grf_use[inst->dst.reg]); + /* Rewrite the later usage to point at the source of the move to * be removed. */ |